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Design, synthesis and mechanism of action of novel μ-conotoxin KIIIA analogs for inhibition of the voltage-gated sodium channel Na1.7.

μ-Conotoxin KIIIA, a selective blocker of sodium channels, has strong inhibitory activity against several Na isoforms, including Na1.7, and has potent analgesic effects, but it contains three pairs of disulfide […]

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Ultramicronized -Palmitoylethanolamine Regulates Mast Cell-Astrocyte Crosstalk: A New Potential Mechanism Underlying the Inhibition of Morphine Tolerance.

Persistent pain can be managed with opioids, but their use is limited by the onset of tolerance. Ultramicronized -palmitoylethanolamine (PEA) in vivo delays morphine tolerance with mechanisms that are still […]

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Hydrogen Sulfide Downregulates Oncostatin M Expression via PI3K/Akt/NF-κB Signaling Processes in Neutrophil-like Differentiated HL-60 Cells.

The cytokine oncostatin M (OSM) is regarded as a critical mediator in various inflammatory responses. While the gaseous signaling molecule hydrogen sulfide (HS) plays a role in a variety of […]

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ATF5 Attenuates the Secretion of Pro-Inflammatory Cytokines in Activated Microglia.

The highly dynamic changes in microglia necessary to achieve a rapid neuroinflammatory response require a supply of energy from mitochondrial respiration, which leads to the accumulation of unfolded mitochondrial proteins. […]

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Human Brain Organoids in Migraine Research: Pathogenesis and Drug Development.

Human organoids are small, self-organized, three-dimensional (3D) tissue cultures that have started to revolutionize medical science in terms of understanding disease, testing pharmacologically active compounds, and offering novel ways to […]

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New NSAID Conjugates as Potent and Selective COX-2 Inhibitors: Synthesis, Molecular Modeling and Biological Investigation.

New sets of ibuprofen and indomethacin conjugates comprising triazolyl heterocycle were synthesized via click chemistry, adopting an optimized protocol through the molecular hybridization approach affording the targeted agents in good […]

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Novel Injectable Fluorescent Polymeric Nanocarriers for Intervertebral Disc Application.

Damage to intervertebral discs (IVD) can lead to chronic pain and disability, and no current treatments can fully restore their function. Some non-surgical treatments have shown promise; however, these approaches […]

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Modulating the activity of human nociceptors with a SCN10A promoter-specific viral vector tool.

Despite the high prevalence of chronic pain as a disease in our society, there is a lack of effective treatment options for patients living with this condition. Gene therapies using […]

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Bispecific sigma-1 receptor antagonism and mu-opioid receptor partial agonism: WLB-73502, an analgesic with improved efficacy and safety profile compared to strong opioids.

Opioids are the most effective painkillers, but their benefit-risk balance often hinder their therapeutic use. WLB-73502 is a dual, bispecific compound that binds sigma-1 (S1R) and mu-opioid (MOR) receptors. WLB-73502 […]

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Structure-Based Design of Glycosylated Oxytocin Analogues with Improved Selectivity and Antinociceptive Activity.

Acute and chronic pain is often treated with opioids despite the negative side effects of constipation, physical dependence, respiratory depression, and overdose. The misuse of opioid analgesics has given rise […]

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