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Papers: 28 Sep 2024 - 4 Oct 2024

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A neural circuit for alcohol withdrawal-induced hyperalgesia in a nondependent state.

Alcohol use disorder is highly prevalent worldwide, with characteristically severe pain sensitivity during withdrawal. Here, we established a mouse model of hyperalgesia during ethanol withdrawal (EW) before addiction to investigate […]

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Upregulation of delta opioid receptor by meningeal interleukin-10 prevents relapsing pain.

Chronic pain often includes periods of transient amelioration and even remission that alternate with severe relapsing pain. While most research on chronic pain has focused on pain development and maintenance, […]

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Inflammatory pain resolution by mouse serum-derived small extracellular vesicles.

Current treatments for chronic pain have limited efficacy and significant side effects, warranting research on alternative strategies for pain management. One approach involves using small extracellular vesicles (sEVs), or exosomes, […]

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MrgprA3 neurons drive cutaneous immunity against helminths through selective control of myeloid-derived IL-33.

Skin uses interdependent cellular networks for barrier integrity and host immunity, but most underlying mechanisms remain obscure. Herein, we demonstrate that the human parasitic helminth Schistosoma mansoni inhibited pruritus evoked […]

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The single-cell transcriptomic atlas iPain identifies senescence of nociceptors as a therapeutical target for chronic pain treatment.

Chronic pain remains a significant medical challenge with complex underlying mechanisms, and an urgent need for new treatments. Our research built and utilized the iPain single-cell atlas to study chronic […]

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The Nociceptor Primary Cilium Contributes to Mechanical Nociceptive Threshold and Inflammatory and Neuropathic Pain.

The primary cilium, a single microtubule-based organelle protruding from the cell surface and critical for neural development, also functions in adult neurons. While some dorsal root ganglion neurons elaborate a […]

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CARTp/GPR160 mediates behavioral hypersensitivities in mice through NOD2.

Neuropathic pain is a debilitating chronic condition that remains difficult to treat. More efficacious and safer therapeutics are needed. A potential target for therapeutic intervention recently identified by our group […]

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Sex-specific post-inflammatory dysbiosis mediates chronic visceral pain in colitis.

Despite achieving endoscopic remission, over 20% of inflammatory bowel disease (IBD) patients experience chronic abdominal pain. Visceral pain and the microbiome exhibit sex-dependent interactions, while visceral pain in IBD shows […]

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High-frequency terahertz stimulation alleviates neuropathic pain by inhibiting the pyramidal neuron activity in the anterior cingulate cortex of mice.

Neuropathic pain (NP) is caused by a lesion or disease of the somatosensory system and is characterized by abnormal hypersensitivity to stimuli and nociceptive responses to non-noxious stimuli, affecting approximately […]

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Activation of Piezo1 by intracranial hypertension induced neuronal apoptosis via activating hippo pathway.

Most of the subarachnoid hemorrhage (SAH) patients experienced the symptom of severe headache caused by intracranial hypertension. Piezo1 is a mechanosensitive ion channel protein. This study aimed to investigate the […]

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Piezo1 mediates mechanical signals in TRPV1-positive nociceptors in mice.

This investigation addresses Piezo1’s expression and mechanistic role in dorsal root ganglion (DRG) neurons and delineates its participation in mechanical and inflammatory pain modulation.

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Could biomarkers mean better pain treatment?

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Genetics, epigenetics and autoimmunity constitute a Bermuda triangle for the pathogenesis of rheumatoid arthritis.

Rheumatoid arthritis (RA), a multigene disorder with a heritability rate of 60 %, is characterized by persistent pain, synovial hyperplasia, and cartilage and bone destruction, ultimately causing irreversible joint deformity. The […]

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TRPC3/6 Channels Mediate Mechanical Pain Hypersensitivity via Enhancement of Nociceptor Excitability and of Spinal Synaptic Transmission.

Patients with tissue inflammation or injury often experience aberrant mechanical pain hypersensitivity, one of leading symptoms in clinic. Despite this, the molecular mechanisms underlying mechanical distortion are poorly understood. Canonical […]

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Splenic nociceptive neural connection promotes humoral immunity.

Recent work by Wu and colleagues unveiled a previously enigmatic population of spleen-innervating nociceptors from left T8-T13 dorsal root ganglia (DRGs) in mice. They found a specific DRG-spleen sensorineural connection […]

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TRESK channel activation ameliorates migraine-like pain via modulation of CGRP release from the trigeminovascular system and meningeal mast cells in experimental migraine models.

Accumulating evidence indicates the involvement of TRESK potassium channels in migraine, however, effects of TRESK activation on migraine-related mechanisms remain unclear. We explored effects of TRESK channel modulation on migraine-related […]

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Increased levels of Escherichia-Shigella and Klebsiella in the gut contribute to the responsivity of placebo analgesia.

Placebo analgesia is observed in both humans and animals. Given the complexity of placebo analgesia involving a variety of neurobiological, psychological, and psychosocial processes, further investigation into its underlying mechanisms […]

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Tubulin interaction at tubulin-binding sequence 1 (TBS1) is required for proper surface expression and TRPV1 channel activity.

TRPV1, a polymodal and nonselective cation ion channel has unique gating mechanisms which is regulated by supramolecular complexes at the plasma membrane formed with membrane proteins, lipids and kinase pathways. […]

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A compartmentalized microfluidic platform to investigate immune cells cross-talk in rheumatoid arthritis.

The dysregulation of the immune system plays a crucial role in the pathogenesis of manyfold diseases, among which we find rheumatoid arthritis (RA), an autoimmune disease characterized by chronic inflammation […]

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Prevalence and Factors Associated with High Impact Chronic Pain in Knee Osteoarthritis: the Johnston County Health Study.

Pain is a hallmark symptom of knee osteoarthritis (KOA) yet intensity and severity vary widely among individuals. There is a knowledge gap in understanding key characteristics of high impact chronic […]

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Machine learning and biological validation identify sphingolipids as potential mediators of paclitaxel-induced neuropathy in cancer patients.

Chemotherapy-induced peripheral neuropathy (CIPN) is a serious therapy-limiting side effect of commonly used anticancer drugs. Previous studies suggest that lipids may play a role in CIPN. Therefore, the present study […]

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Nerve injury augments Cacna2d1 transcription via CK2-mediated phosphorylation of the histone deacetylase HDAC2 in dorsal root ganglia.

Development of chronic neuropathic pain involves complex synaptic and epigenetic mechanisms. Nerve injury causes sustained upregulation of α2δ-1 (encoded by the Cacna2d1 gene) in the dorsal root ganglion (DRG), contributing […]

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Clinical correlates of lifetime and current comorbidity patterns in autoimmune and inflammatory diseases.

Autoimmune and inflammatory diseases (AIDs) are a heterogeneous group of disorders with diverse etiopathogenic mechanisms. This study explores the potential utility of family history, together with present and past comorbidities, […]

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Polyphenol-modified biomimetic bioadhesives for the therapy of annulus fibrosus defect and nucleus pulposus degeneration after discectomy.

Discectomy is the surgical standard of care to relieve low back pain caused by intervertebral disc (IVD) herniation. However, there remains annulus fibrosus (AF) defect and nucleus pulposus (NP) degeneration, […]

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The role and treatment potential of the complement pathway in chronic pain.

The role of the complement system in pain syndromes has garnered attention on the back of preclinical and clinical evidence supporting its potential as a target for new analgesic pharmacotherapies. […]

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Modulation of chemotherapy-induced peripheral neuropathy by JZL195 through glia and the endocannabinoid system.

Chemotherapy-induced peripheral neuropathy (CIPN) used to treat cancer, is a significant side effect with a complex pathophysiology, and its mechanisms remain unclear. Recent research highlights neuroinflammation, which is modulated by […]

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N-Terminal Capping of the αO-Conotoxin Analogue GeX-2 Improves the Serum Stability and Selectivity toward the Human α9α10 Nicotinic Acetylcholine Receptor.

α9α10 nicotinic acetylcholine receptors (nAChRs) are a promising nonopioid analgesic target, with α9α10 nAChR antagonists showing efficacy against chemotherapy-induced hyperalgesia and allodynia. GeX-2, a potent analgesic conotoxin antagonist of α9α10 […]

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Bioinspired Artificial Intelligent Nociceptive Alarm System Based on Fibrous Biomemristors.

With the advancement of modern medical and brain-computer interface devices, flexible artificial nociceptors with tactile perception hold significant scientific importance and exhibit great potential in the fields of wearable electronic […]

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Relationship between migraine and epilepsy in a large population-based cohort: The HUNT Study.

Several studies have reported substantial comorbidity between epilepsy and migraine. Most of these were based on clinical cohorts or used unvalidated diagnostic instruments. Our study re-examined this association in a […]

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Thioredoxin-Interacting Protein’s Role in NLRP3 Activation and Osteoarthritis Pathogenesis by Pyroptosis Pathway: In Vivo Study.

Thioredoxin-interacting protein (TXNIP) has been involved in oxidative stress and activation of the NOD-like receptor protein-3 (NLRP3) inflammasome, directly linking it to the pyroptosis pathway. Furthermore, pyroptosis may contribute to […]

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Identification of Pain through Actigraphy-Recorded Patient Movement: A Comprehensive Review.

Chronic pain affects over 50 million people in the United States, particularly older adults, making effective assessment and treatment essential in primary care. Actigraphy, which monitors and records limb movement […]

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Fecal Microbiota Transplantation-Mediated Rebalancing of the Gut-Brain Axis Alleviates Cisplatin-Induced Neuropathic Pain.

Chemotherapy-induced neuropathic pain (CINP) presents a significant challenge in cancer treatment, necessitating novel therapeutic approaches. The intricate relationship between CINP and the gut-brain axis indicates a crucial role for the […]

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Anti-pentraxin 3 antibodies and residual disease activity in rheumatoid arthritis.

This study quantified anti-PTX3 antibodies in the serum of seropositive and seronegative rheumatoid arthritis (RA) patients, examining their associations with disease activity and patient-reported outcomes (PROMs).

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TLR4 induced TRPM2 mediated neuropathic pain.

Ion channels play an important role in mediating pain through signal transduction, regulation, and control of responses, particularly in neuropathic pain. Transient receptor potential channel superfamily plays an important role […]

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The Multifaceted Protective Role of Nuclear Factor Erythroid 2-Related Factor 2 in Osteoarthritis: Regulation of Oxidative Stress and Inflammation.

Osteoarthritis (OA) is a chronic degenerative joint disease characterized by the degradation of joint cartilage, subchondral bone sclerosis, synovitis, and structural changes in the joint. Recent research has highlighted the […]

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Vitamin D Attenuates Neuropathic Pain via Suppression of Mitochondria-Associated Ferroptosis by Inhibiting PKCα/NOX4 Signaling Pathway.

Neuropathic pain remains a significant unmet medical challenge due to its elusive mechanisms. Recent clinical observations suggest that vitamin D (VitD) holds promise in pain relief, yet its precise mechanism […]

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Improved polygenic risk prediction in migraine-first patients.

Recent meta-analyses estimated 14.6% and 11.2% SNP-based heritability of migraine, compared to twin-heritability estimates of 30-60%. This study aimed to investigate heritability estimates in “migraine-first” individuals, patients for whom G43 […]

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Neural correlates of phantom motor execution: A functional neuroimaging systematic review and meta-analysis.

Phantom motor execution (PME) shows promise as a new treatment for phantom limb pain (PLP) by inducing motor-related analgesia and retraining the pain network activation. However, the current understanding of […]

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Indirect involvement of α-adrenoceptors in the mechanical antihypersensitivity effect induced by the spinally administered imidazoline I receptor ligand LNP599 in a rat model of experimental neuropathy.

Here we assess whether neuropathic pain hypersensitivity is attenuated by spinal administration of the imidazoline I-receptor agonist LNP599 and whether the attenuation involves co-activation of α-adrenoceptors. Spared nerve injury (SNI) […]

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Neural correlates of pain acceptance and the role of the cerebellum: Functional connectivity and anatomical differences in individuals with headaches versus matched controls.

Despite functional connectivity network dysfunction among individuals with headaches, no studies have examined functional connectivity neural correlates and anatomical differences in coping with headaches.

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Modulation of chondroprotective hyaluronic acid and poloxamer gel with Ketoprofen loaded transethosomes: Quality by design-based optimization, characterization, and preclinical investigations in osteoarthritis.

Osteoarthritis (OA) is a chronic joint disease that results in biomechanical and morphological changes that contribute to cartilage degradation. Ketoprofen (KP), used in the treatment of OA, is a selective […]

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Associations of preterm birth and neonatal stress exposure with chronic pain in adulthood – Results from the Gutenberg prematurity study.

Although the effect of early childhood stress on central nervous pain processing is well known, studies on the association of prematurity and chronic pain are scarce. This study used data […]

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No association between migraine and HLA alleles in a cohort of 13,210 individuals with migraine from the Danish Blood Donor Study.

To determine the association between human leukocyte antigen (HLA) alleles and migraine, migraine subtypes, and sex-specific factors.

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Deciphering the Effect of Hyaluronic Acid/Collagen Hydrogel for Pain Relief and Tissue Hydration in a Rat Model of Intervertebral Disc Degeneration.

Intervertebral disc (IVD) degeneration is one of the primary causes of low back pain, causing disability; hence, there is no regenerative nature of the current treatments. Hyaluronic acid (HA) was […]

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Rat Sympathetic Neuron Calcium Channels Are Insensitive to Gabapentin.

The gabapentenoids such as gabapentin (GP) and pregabalin are approved for the treatment of chronic pain, but their utility is limited by persistent side effects. These adverse effects result from […]

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Rostral ventral medulla circuits regulate both the sensory and affective dimensions of neuropathic pain: a commentary on Dogrul et al.

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Mechanistic insights into allodynia in diabetic peripheral neuropathy.

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Analgesic Effect of Human Placenta Hydrolysate on CFA-Induced Inflammatory Pain in Mice.

To evaluate the efficacy of human placenta hydrolysate (HPH) in a mice model of CFA-induced inflammatory pain. TNF-α, IL-1β, and IL-6 are key pro-inflammatory cytokine factors for relieving inflammatory pain. […]

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Bioequivalence and pharmacokinetics of intravenous calcium during cesarean delivery.

Few studies have assessed the dose ratio of calcium gluconate to calcium chloride or defined the time course of change in serum ionized calcium concentration after intravenous injection.

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The Role of the Mu Opioid Receptors of the Medial Prefrontal Cortex in the Modulation of Analgesia Induced by Acute Restraint Stress in Male Mice.

Mu opioid receptors (MORs) represent a vital mechanism related to the modulation of stress-induced analgesia (SIA). Previous studies have reported on the gamma-aminobutyric acid (GABA)ergic “disinhibition” mechanisms of MORs on […]

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Functional Role of Piezo1 in the Human Eosinophil Cell Line AML14.3D10: Implications for the Immune and Sensory Nervous Systems.

Mechanosensitive ion channels, particularly Piezo channels, are widely expressed in various tissues. However, their role in immune cells remains underexplored. Therefore, this study aimed to investigate the functional role of […]

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Electroacupuncture inhibited carrageenan-induced pain aversion by activating GABAergic neurons in the ACC.

Pain aversion is an avoidance response to painful stimuli. Previous research has indicated that the anterior cingulate cortex (ACC) is involved in pain aversion processing. However, as interneurons, the role […]

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Characteristics of locus coeruleus functional connectivity network in patients with comorbid migraine and insomnia.

Migraine and insomnia are prevalent conditions that often co-occur, each exacerbating the other and substantially impacting the quality of life. The locus coeruleus (LC), a brainstem region responsible for norepinephrine […]

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Understanding inter-individual variability of experimental pain habituation and conditioned pain modulation in healthy individuals.

Although reduced experimental pain habituation is proposed as a proxy of diminished endogenous pain modulatory capacity in chronic pain, prior studies show contradictory findings. Even across healthy participants, pain habituation […]

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Glycemic variability’s impact on painful diabetic peripheral neuropathy in type 2 diabetes patients.

Hyperglycemia in type 2 diabetes leads to diabetic peripheral neuropathy (DPN) and neuropathic pain, yet the association between glycemic variability and painful DPN remains insufficiently evidenced. To address this, we […]

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Activation of NPY2R-expressing amygdala neurons inhibits itch behavior in mice without lateralization.

The central amygdala (CeA) is a crucial hub in the processing of affective itch, containing a diverse array of neuronal populations. Among these components, Neuropeptide Y (NPY) and its receptors, […]

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From pain level to pain experience: redefining acute pain assessment to enhance understanding of chronic postsurgical pain.

Chronic postsurgical pain (CPSP) significantly impairs quality of life and poses a substantial healthcare burden, affecting up to a quarter of patients undergoing surgery. Although acute pain is recognised as […]

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Prostaglandin E signaling through prostaglandin E receptor subtype 2 and Nurr1 induces fibroblast growth factor 23 production.

Bone cells produce fibroblast growth factor 23 (FGF23), a hormone regulating renal phosphate and vitamin D homeostasis, and a paracrine factor produced in further tissues. Chronic kidney disease and cardiovascular […]

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Biologically active franchetine-type diterpenoid alkaloids: Isolation, synthesis, anti-inflammatory, analgesic activities, and molecular docking.

In this study, four franchetine-type diterpenoid alkaloids (1-4) were isolated from Aconitum sinoaxillare, and fourteen diverse franchetine analogs (5-18) were synthesized. Compounds 1, 2, 7 and 16 exhibited stronger inhibitory […]

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H-MRS reveals abnormal energy metabolism and excitatory-inhibitory imbalance in a chronic migraine-like state induced by nitroglycerin in mice.

Chronic migraine is closely related to the dysregulation of neurochemical substances in the brain, with metabolic imbalance being one of the proposed causes of chronic migraine. This study aims to […]

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Different effects of migraine associated features on headache impact, pain intensity, and psychiatric conditions in patients with migraine.

Migraine is a multifactorial brain disorder characterized by recurrent disabling headaches and their associated features. Several studies have suggested that these features are related to headache impact, pain intensity, and […]

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Telomere length exhibits inverse association with migraine among Americans aged 20-50 years, without implications beyond age 50: a cross-sectional study.

Migraine, common in individuals under 50 years, is linked to oxidative stress. The association between telomere length shortening and migraine, along with potential age-related influences, has not been comprehensively studied. This […]

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Agomelatine-loaded nanostructured lipid carriers alleviate neuropathic pain in rats by Nrf2/HO-1 signalling pathway.

Neuropathic pain arises from impairments or malfunctions within the nervous system, resulting in atypical transmission and interpretation of pain signals. In the present study, we examined the neuroprotective effects of […]

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BNST CRF receptor type 1 modulates mechanical hypersensitivity induced by adolescent alcohol exposure in adult female mice.

Alcohol exposure during adolescence has been linked to long-lasting behavioral consequences, contributing to the development of alcohol use disorder. Negative affect and chronic pain during alcohol withdrawal are critical factors […]

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Reinforced pain catastrophizing during menstrual phase among women with primary dysmenorrhea is mediated by cerebral blood flow in the medial prefrontal cortex.

Pain catastrophizing is a prominent psychological factor that is strongly correlated with pain. Although the complex properties of pain catastrophizing vary across different pain phases, the contribution of chronic pain […]

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The crucial role of NR2A mediating the activation of satellite glial cells in the trigeminal ganglion contributes to orofacial inflammatory pain during TMJ inflammation.

Temporomandibular joint inflammatory diseases are a significant subtype of temporomandibular disorders (TMD) characterized by inflammatory pain in the orofacial area. The N-methyl-D-aspartate receptor (NMDAR), specifically the NR2A subtype, was crucial […]

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Methyltransferase METTL3 regulates neuropathic pain through m6A methylation modification of SOCS1.

The mechanisms of neuropathic pain (NP) are considered multifactorial. Alterations in the suppressor of cytokine signaling 1 (SOCS1) play a critical role in neural damage and inflammation. Epigenetic RNA modifications, […]

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Inhibition of TRPV1 by an antagonist in clinical trials is dependent on cholesterol binding.

TRP Vanilloid 1 (TRPV1) channel, one of the major members of the TRP family was discovered to play a critical role in pain sensation, particularly inflammatory pain, and is associated […]

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Intraspinal microstimulation of the ventral horn has therapeutically relevant cross-modal effects on nociception.

Electrical stimulation of spinal networks below a spinal cord injury is a promising approach to restore functions compromised by inadequate and/or inappropriate neural drive. The most translationally successful examples are […]

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Effects of passive smoking on cortical spreading depolarization in male and female mice.

Patients with migraine are typically advised to avoid passive smoking because it may aggravate headaches and other health conditions. However, there is insufficient high-quality evidence on the association between passive […]

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Neural mechanisms underlying placebo and nocebo effects in tonic muscle pain.

Pain is a highly subjective and multidimensional experience, significantly influenced by various psychological factors. Placebo analgesia and nocebo hyperalgesia exemplify this influence, where inert treatments result in pain relief or […]

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Phasic perfusion dynamics among migraine subtypes: a multimodel arterial spin labeling investigation.

Migraine-related perfusion changes are documented but inconsistent across studies due to limited sample size and insufficient phenotyping. The phasic and spatial dynamics across migraine subtypes remains poorly characterized. This study […]

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An injectable self-lubricating supramolecular polymer hydrogel loaded with platelet lysate to boost osteoarthritis treatment.

Globally, osteoarthritis (OA) is the most prevalent joint disease and is characterized by infiltration of M1 macrophages in the synovium, anabolic-catabolic imbalance of the extracellular matrix (ECM), increased articular shear […]

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Genomic Validation in the UK Biobank Cohort Suggests a Role of C8B and MFG-E8 in the Pathogenesis of Trigeminal Neuralgia.

Trigeminal neuralgia (TN) is a severe facial pain disease of uncertain pathophysiology and unclear genetic background. Although recent research has reported a more important role of genetic factors in TN […]

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Discovery of Orally Active Phenylquinoline-Based Soluble Epoxide Hydrolase Inhibitors with Anti-Inflammatory and Analgesic Activity.

Currently, there are no specific drugs for treating acute pancreatitis. Soluble epoxide hydrolase (sEH) inhibitors show promise, but face challenges like low blood drug concentrations and potential adverse effects on […]

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Attenuation of p38 MAPK/NF-κB/TRPV1/CGRP is involved in the antinociceptive effect of hesperidin methyl chalcone and taxifolin in paclitaxel-induced peripheral neuropathy.

Paclitaxel (PTX)-induced peripheral neuropathy (PIPN) is a disabling side effect of PTX, which adversely affects the life quality of cancer patients. Flavonoids such as hesperidin methyl chalcone (HMC) and taxifolin […]

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Proteomic analysis of dorsal root ganglia in a mouse model of paclitaxel-induced neuropathic pain.

Paclitaxel is a chemotherapy drug widely used for the treatment of various cancers based on its ability to potently stabilize cellular microtubules and block division in cancer cells. Paclitaxel-based treatment, […]

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Eccentricity Dependency of Retinal Electrophysiological Deficits in People With Episodic Migraine.

During the non-attack period, people with migraine may show retinal dysfunction. This study builds on previous work by exploring the possibility of foveal and non-foveal visual field and electroretinographic deficits […]

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Editorial: Molecular mechanism of neuroimmune modulation and synaptic plasticity in acute and chronic pain, volume II.

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Altered Movement Coordination during Functional Reach Tasks in Patients with Chronic Low Back Pain and Its Relationship to Numerical Pain Rating Scores.

Identifying the effects of pain catastrophizing on movement patterns in people with chronic low back pain (CLBP) has important clinical implications for treatment approaches. Prior research has shown people with […]

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Mutagenesis of the Peptide Inhibitor of ASIC3 Channel Introduces Binding to Thumb Domain of ASIC1a but Reduces Analgesic Activity.

Acid-sensing ion channels (ASICs), which act as proton-gating sodium channels, have garnered attention as pharmacological targets. ASIC1a isoform, notably prevalent in the central nervous system, plays an important role in […]

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[Prospective, multicenter study of the outcome of complex regional pain syndrome after 12 months].

Complex regional pain syndrome (CRPS) can lead to severe pain and limited functionality in the long term. Guidelines should help to optimize treatment procedures. It should be investigated which outcome […]

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Editorial for the themed issue: Addressing the dual challenges of opioid use disorder and chronic pain in the context of the opioid crisis.

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Epidemiological linkage between migraine and diabetes mellitus: a systematic review and meta-analysis.

This study aimed to elucidate the nature and extent of the associations between diabetes mellitus (DM) and migraine through a systematic review and meta-analysis.

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Sociodemographic determinants of health inequities in low back pain: a narrative review.

Health equity is defined as the absence of unjust and avoidable disparities in access to healthcare, quality of care, or health outcomes. The World Health Organization (WHO) has developed a […]

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Down-regulation of microRNA-382-5p reduces neuropathic pain by targeting regulation of dual specificity phosphatase-1.

MicroRNA (miRNA) plays a crucial role in neuropathic pain (NP) by targeting mRNAs. This study aims to analyze the regulatory function and mechanism of miR-382-5p/dual specificity phosphatase-1 (DUSP1) axis in […]

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Peripheral Nerve Stimulation for Neuropathic Pain Management: A Narrative Review.

This narrative review examines the therapeutic efficacy of peripheral nerve stimulation (PNS) in the treatment of neuropathic pain (NP), a type of pain arising from lesions or diseases of the […]

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Editorial: Molecular neurobiology of chronic pain: pharmacological and non-pharmacological approaches in animal models.

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Effectiveness of pain medication tapering in chronic pain patients: a systematic review and meta-analysis.

This systematic review and meta-analysis aimed to inventory all outcome measures that are affected by tapering in chronic noncancer pain and to investigate the effectiveness of tapering.

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The Opinion of Healthcare Professionals About a Proposed European Registry of Neuromodulation for Chronic Pain: An Online Survey.

During the last decade, the complementary value of real-world data (through registries or medical records) and data from randomized clinical trials has been recognized as increasingly important. In the field […]

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Electroacupuncture inhibits TLR4/NF-κB signaling in the dorsal root ganglion of rats with spared nerve injury.

Neuropathic pain can be provoked by high mobility group box 1 (HMGB1) activation of toll-like receptor (TLR)4/nuclear factor (NF)-κB signaling in the dorsal root ganglion (DRG). Electroacupuncture (EA) has been […]

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Therapeutic Potential and Mechanisms of Bee Venom Therapy: A Comprehensive Review of Apitoxin Applications and Safety Enhancement Strategies.

Apitoxin therapy (BVT-bee venom therapy) is an emerging complementary treatment utilizing bee venom for various medical conditions. This review explores the potential and therapeutic mechanisms of bee venom, focusing on […]

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Association of the Serotonin and Kynurenine Pathways as Possible Therapeutic Targets to Modulate Pain in Patients with Fibromyalgia.

Fibromyalgia (FM) is a disorder characterized by widespread chronic pain, significant depression, and various neural abnormalities. Recent research suggests a reciprocal exacerbation mechanism between chronic pain and depression. In patients […]

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Chiari malformation and its influence on trigeminal neuralgia: a systematic review.

In order to properly understand the correlation between TN and Chiari malformation type I (CMI), it is imperative to delve into the underlying processes and develop efficacious treatment strategies.

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Use of Ketamine in Patients with Multifactorial Neuropathic Pain: A Systematic Review and Meta-Analysis.

Neuropathic pain (NP) is a heterogeneous group of conditions characterized by the experience of a number of sensory disturbances including pain, burning sensations, paroxysms of stabbing pain, dysesthesias, allodynia, and […]

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VEGF, but Not BDNF, Prevents the Downregulation of KCC2 Induced by Axotomy in Extraocular Motoneurons.

The potassium-chloride cotransporter KCC2 is the main extruder of Cl in neurons. It plays a fundamental role in the activity of the inhibitory neurotransmitters (GABA and glycine) since low levels […]

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Breaking the Cycle of Pain: The Role of Graded Motor Imagery and Mirror Therapy in Complex Regional Pain Syndrome.

Complex Regional Pain Syndrome (CRPS) is a chronic condition characterized by severe pain and functional impairment. Graded Motor Imagery (GMI) and Mirror Therapy (MT) have emerged as potential non-invasive treatments; […]

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The Link between Endogenous Pain Modulation Changes and Clinical Improvement in Fibromyalgia Syndrome: A Meta-Regression Analysis.

Conditioned pain modulation (CPM) and temporal summation (TS) tests can measure the ability to inhibit pain in fibromyalgia syndrome (FMS) patients and its level of pain sensitization, respectively. However, their […]

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Green Light Exposure Reduces Primary Hyperalgesia and Proinflammatory Cytokines in a Rodent Model of Knee Osteoarthritis: Shedding Light on Sex Differences.

Knee osteoarthritis (OA) often causes chronic pain that disproportionately affects females. Proinflammatory cytokines TNF-α, IL-1β, and IL-6 are key effectors of OA pathological changes. Green light shows potential as an […]

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Calcitonin Gene-Related Peptide Monoclonal Antibodies: Key Lessons from Real-World Evidence.

The advent of monoclonal antibodies (mAbs) targeting the calcitonin gene-related peptide (CGRP) pathway has transformed the management of migraine, offering newfound optimism for clinicians and individuals with episodic migraine (EM) […]

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Pain Neuroscience Education and Neuroimaging-A Narrative Review.

Musculoskeletal pain is a leading cause of medical visits, posing significant challenges both socially and economically, encouraging the scientific community to continue researching and exploring the most effective methods to […]

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Effects of Stress Exposure to Pain Perception in Pre-Clinical Studies: Focus on the Nociceptin/Orphanin FQ-NOP Receptor System.

Exposure to physical and psychological stress modulates pain transmission in a dual manner. Stress-induced analgesia (SIA) refers to the reduction in pain sensitivity that can occur in response to acute […]

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Impact of microvascular decompression on wall shear stress in responsible arteries in trigeminal neuralgia and hemifacial spasm.

Microvascular decompression (MVD) has proven efficacy in trigeminal neuralgia (TN) and hemifacial spasm (HFS). This study utilized computational fluid dynamics (CFD) to investigate the impact of MVD on wall shear […]

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Oocyte quality in women with endometriosis.

Background Endometriosis is a chronic gynecological condition that affects approximately 10% of women of reproductive age globally. It is associated with significant morbidity due to symptoms such as pelvic pain […]

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The ultrasonic vocalization (USV) syllable profile during neonatal opioid withdrawal and a kappa opioid receptor component to increased USV emissions in female mice.

Opioid use during pregnancy can lead to negative infant health outcomes, including neonatal opioid withdrawal syndrome (NOWS). NOWS comprises gastrointestinal, autonomic nervous system, and neurological dysfunction that manifest during spontaneous […]

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A stacked machine learning-based classification model for endometriosis and adenomyosis: a retrospective cohort study utilizing peripheral blood and coagulation markers.

Endometriosis (EMs) and adenomyosis (AD) are common gynecological diseases that impact women’s health, and they share symptoms such as dysmenorrhea, chronic pain, and infertility, which adversely affect women’s quality of […]

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Pathology and physiology of acid-sensitive ion channels in the bladder.

Acid-sensitive ion channels (ASICs) are sodium-permeable channels activated by extracellular acidification. They can be activated and trigger the inward flow of Na when the extracellular environment is acidic, leading to […]

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Behavioral video coding analysis of chronic morphine administration in rats.

The present study assessed the behavior of morphine-addicted rats using behavioral video coding technology, to evaluate effective methods for identifying morphine addiction. Rats were divided into a control group (n=15) […]

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Physicians’ Self-Reported Knowledge and Behaviors Related to Prescribing Opioids for Chronic Pain and Diagnosing Opioid Use Disorder, DocStyles, 2020.

In 2016, the Centers for Disease Control and Prevention released the Guideline for Prescribing Opioids for Chronic Pain (2016 Centers for Disease Control and Prevention Guideline) to improve opioid prescribing […]

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Temporomandibular Joint Pain Measurement by Bite Force and Von Frey Filament Assays in Mice.

Temporomandibular joint (TMJ) pain and osteoarthritis (OA) are common and debilitating disorders that impair patients’ quality of life. The mechanisms driving diseases-related pain are poorly understood, and current treatments fail […]

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Low level laser therapy alleviates mechanical allodynia in a postoperative and neuropathic pain model and alters the levels of inflammatory factors in rats.

This study aimed to investigate the analgesic and preventive effect of low-level laser therapy (LLLT) on the incisional pain model and spinal nerve ligation (SNL) model in rats and identify […]

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Interleukin-31: The Inflammatory Cytokine Connecting Pruritus and Cancer.

Interleukin 31 (IL-31) is a proinflammatory cytokine, mainly secreted by Type II helper T cells. It signals through a heterodimeric receptor complex composed of IL-31 receptor α and oncostatin-M receptor […]

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The volumes of amygdala subregions and peripheral programmed cell death protein-1 levels are associated with cognitive decline in individuals with knee osteoarthritis.

Persistent pain is a prominent symptom of knee osteoarthritis (KOA) and has been associated with cognitive decline in individuals with KOA. The amygdala, a complex structure consisting of nine subnuclei, […]

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Novel multitarget analgesic candidate SZV-1287 demonstrates potential disease-modifying effects in the monoiodoacetate-induced osteoarthritis mouse model.

Monoiodoacetate (MIA)-induced osteoarthritis (OA) is the most commonly used rodent model for testing anti-OA drug candidates. Herein, we investigated the effects of our patented multitarget drug candidate SZV-1287 (3-(4,5-diphenyl-1,3-oxazol-2-yl) propanal […]

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Persistence, not avoidance, is associated with low back pain-An observational cohort study.

Low back pain (LBP) is increasingly understood as a long-lasting condition with a variable course. Avoidance and persistence behaviour have been described to mediate pain persistence by potentially linking psychosocial […]

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Effect of Dietary Interventions on Endometriosis: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.

This study aimed to systematically review existing randomized clinical trials on the effect of dietary interventions on endometriosis. A search was performed on the Cochrane Central Register of Controlled Trials […]

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Associations between pain-related fear and lumbar movement variability during activities of daily living in patients with chronic low back pain and healthy controls.

Low back pain (LBP) is a global issue involving biological, psychological, and social factors. Pain-related fear has been shown to influence movement behavior, however, its association with some measures of […]

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Neuropathic pain in spondyloarthritis: Decoding its prevalence, risk factors, and impact on disease activity.

This study aimed to evaluate the prevalence and characteristics of neuropathic pain in patients with various subtypes of spondyloarthritis (SpA), including axial SpA (axSpA), psoriatic arthritis (PsA), and undifferentiated peripheral […]

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Sex differences in the orofacial antinociceptive effect of metformin and the role of transient receptor potential channels.

Metformin is classified as a biguanide and is used in the treatment of type 2 diabetes. It is used worldwide and has been investigated in drug repositioning. The present study […]

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Does sedentary time and physical activity predict chronic back pain and morphological brain changes? A UK biobank cohort study in 33,402 participants.

The relationship between sedentary time, physical activity, and chronic back pain remains unclear. The study aims to investigate whether sedentary time and physical activity predict chronic back pain and morphological […]

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Household income is associated with attack frequency, but not with the prevalence of headache: an analysis of self-reported headache in the general population in Germany.

Headache disorders are among the most prevalent neurological disorders worldwide. However, whether groups differing in socioeconomic position (SEP) are disproportionately affected by headache disorders has not yet been adequately clarified. […]

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Endogenous pain modulation after sleep restriction in migraine: a blinded crossover study.

Patients with migraine are vulnerable to insufficient sleep, but the impact of sleep restriction is largely unknown. In addition, the importance of sleep may be different in patients with migraine […]

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Strategic development of aceclofenac loaded organosomes for topical application: An explorative ex-vivo and in-vivo investigation for arthritis.

Present study intends to develop aceclofenac-encapsulated organosomes (OS), which consist of phospholipids coupled with a combination of organic solvents, for the management of arthritis. The formulation was characterized and tested […]

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The relationship between changes in pain intensity and functional disability in persistent disabling low back pain during a course of cognitive functional therapy.

Pain relief and reduced disability are both common treatment targets for persistent disabling low back pain (LBP). Cross-sectional studies show a moderate relationship between functional disability and pain intensity, but […]

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Safety and Efficacy of Axon Therapy (SEAT Study), Utilizing Magnetic Peripheral Nerve Stimulation (mPNS) for Treatment of Neuropathic Pain.

Many of the current treatments for chronic neuropathic pain have variable effectiveness and known side effects. Given the prevalence of this type of intractable pain (3-17% of general population), additional […]

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Lentivirus-mediated RNA interference targeting HMGB1 modulates AQP1 to reduce pain induced by chronic compression of the dorsal root ganglia.

Neuropathic pain (NP) is a kind of chronic pain that has attracted much attention in clinical practice, characterized by high morbidity, complex mechanisms, and difficulties in clinical treatment, with which […]

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Diabetic peripheral neuropathy and neuromodulation techniques: a systematic review of progress and prospects.

Neuromodulation for diabetic peripheral neuropathy represents a significant area of interest in the management of chronic pain associated with this condition. Diabetic peripheral neuropathy, a common complication of diabetes, is […]

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Transforming personalized chronic pain management with artificial intelligence: A commentary on the current landscape and future directions.

Artificial intelligence (AI) has the potential to revolutionize chronic pain management by guiding the development of effective treatment strategies that are tailored to individual patient needs. This potential comes from […]

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Myricetin-Loaded SBA-15 silica nanoparticles for enhanced management of Pyrexia, pain, and inflammation through modulation of MAPK/NF-kB and COX-2/PGE-2 pathways: Evidence from the biochemical, histological, and metabolomic analysis.

Myricetin (MYR) is a natural flavonoid that has several biological functions. However, some of its beneficial effects are diminished due to low water solubility, stability, and bioavailability. Herein, several kinds […]

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Systematic narrative review of modalities in physiotherapy for managing pain in hip and knee osteoarthritis: A review.

Osteoarthritis (OA) affects 528 million individuals globally, predominantly in knee and hip joints, with a notable impact on females aged over 55, resulting in a substantial economic burden. However, the […]

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Editorial: Diet, nutrition, and functional foods for chronic pain.

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Impact of the pandemic on hospital care for chronic pain patients in Germany.

The COVID-19 pandemic affected patients’ access to health services, including patients with severe chronic pain. Since limited data on pandemic-caused changes in pain therapy is available, we analyzed its effect […]

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Sex Differences in Chronic Postsurgical Pain after Open Thoracotomy.

To determine the incidence of chronic postsurgical pain (CPSP) in women after open thoracotomy. Secondary objectives were to compare relevant patient and procedural variables between women and men.

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Chronic pain in the elderly: Exploring cellular and molecular mechanisms and therapeutic perspectives.

Chronic pain is a debilitating condition frequently observed in the elderly, involving numerous pathological mechanisms within the nervous system. Diminished local blood flow, nerve degeneration, variations in fiber composition, alterations […]

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Exploring the psychopathological profile of fibromyalgia: insights from the personality assessment inventory and its association with disease impact.

Fibromyalgia (FM) is a complex rheumatic disorder characterized by chronic nociplastic pain and central sensitization. Psychopathological conditions can influence FM symptoms, which worsen their condition. However, not all patients with […]

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Co-creation in healthcare and research to improve service delivery for young people with chronic pain.

The process of co-creation can enable more effective, agile and integrated healthcare solutions achieving outcomes that effectively translate to healthcare delivery. Collaborative knowledge generation is particularly important in fields such […]

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Research progress on macrophage polarization during osteoarthritis disease progression: a review.

Primary osteoarthritis (OA) is a prevalent degenerative joint disease that mostly affects the knee joint. It is a condition that occurs around the world. Because of the aging population and […]

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Abnormal thalamocortical network dynamics in patients with migraine and its relationship with electroacupuncture treatment response.

Acupuncture is an effective and safe alternative treatment to prevent and treat migraine, but its central analgesic mechanism remains poorly understood. It is believed that the dysfunction of the thalamocortical […]

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Altered structure and functional connection of subcortical gray matter in female patients with classical trigeminal neuralgia.

The etiology of classical trigeminal neuralgia (CTN) is still unclear. A better understanding of the cerebral structural and functional changes in female patients with CTN may provide important novel insights […]

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The Neuroprotective Role of Indole-3-Propionic Acid in Migraine Pathophysiology.

: Migraine is a leading cause of disability worldwide, with complex pathophysiological mechanisms involving oxidative and nitrosative stress. Recent research suggests that Indole-3-Propionic Acid (IPA) may have a neuroprotective role […]

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Predictive Model for Opioid Use Disorder in Chronic Pain: A Development and Validation Study.

There are several questionnaires for the challenge of anticipating opioid use disorder (OUD). However, many are not specific for chronic non-cancer pain (CNCP) or have been developed in the American […]

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Construction and validation of a nomogram model for predicting different sites of ankle pain in runners with chronic ankle instability.

This study aimed to establish a risk prediction nomogram model for anterolateral, mediolateral, and posterolateral ankle pain in runners with chronic ankle instability (CAI) and analyse the potential risk factors […]

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Virtual Reality Combined with Mind-Body Therapies for the Management of Pain: A Scoping Review.

When used separately, virtual reality (VR) and mind-body therapies (MBTs) have the potential to reduce pain across various acute and chronic conditions. While their combination is increasingly used, no study […]

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Cytokines reprogram airway sensory neurons in asthma.

Nociceptor neurons play a crucial role in maintaining the body’s homeostasis by detecting and responding to potential dangers in the environment. However, this function can be detrimental during allergic reactions, […]

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Decoding polyubiquitin regulation of K 7. 1 functional expression with engineered linkage-selective deubiquitinases.

Protein posttranslational modification with distinct polyubiquitin linkage chains is a critical component of the ‘ubiquitin code’ that universally regulates protein expression and function to control biology. Functional consequences of diverse […]

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Interdisciplinary pain program participants with high catastrophizing scores improve function utilizing enriched therapeutic encounters and integrative health techniques: a retrospective study.

describes helplessness, rumination, and magnification of a pain experience. High pain catastrophizing is an independent risk factor for disability, pain severity, inadequate treatment response, chronicity, and opioid misuse. Interdisciplinary pain […]

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CRISPR/Cas9 in the treatment of sickle cell disease (SCD) and its comparison with traditional treatment approaches: a review.

Sickle cell disease (SCD) is a common hereditary blood disorder that profoundly impacts individuals’ health, causing chronic pain, anemia, organ damage, increased susceptibility to infections, and social and psychological effects. […]

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