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Identification of an essential spinoparabrachial pathway for mechanical itch.

The sensation of itch is a protective response that is elicited by either mechanical or chemical stimuli. The neural pathways for itch transmission in the skin and spinal cord have […]

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Early life iron deficiency persistently alters nociception in developing mice.

Clinical association studies have identified early life iron deficiency (ID) as a risk factor for the development of chronic pain. While preclinical studies have shown that early life ID persistently […]

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Motor corticospinal excitability abnormalities differ between distinct chronic low back pain syndromes.

It is not known whether cortical plastic changes reported in low-back pain (LBP) are present in all etiologies of LBP. Here we report on the assessment of patients with three […]

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Ion Channels-related Neuroprotection and Analgesia Mediated by Spider Venom Peptides.

Ion channels play critical roles in generating and propagating action potentials and in neurotransmitter release at a subset of excitatory and inhibitory synapses. Dysfunction of these channels has been linked […]

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Endocannabinoid System: Chemical Characteristics and Biological Activity.

The endocannabinoid system (eCB) has been studied to identify the molecular structures present in . eCB consists of cannabinoid receptors, endogenous ligands, and the associated enzymatic apparatus responsible for maintaining […]

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Focal mu-opioid receptor activation promotes neuroinflammation and microglial activation in the mesocorticolimbic system: Alterations induced by inflammatory pain.

Microglia participates in the modulation of pain signaling. The activation of microglia is suggested to play an important role in affective disorders that are related to a dysfunction of the […]

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Study on the analgesic activity of peptide from Conus achates.

As a peptide originally discovered from Conus achates by mass spectrometry and cDNA sequencing, Ac6.4 contains 25 amino acid residues and three disulfide bridges. Our previous study found that this […]

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Rat model of attention-deficit hyperactivity disorder exhibits delayed recovery from acute incisional pain due to impaired descending noradrenergic inhibition.

Chronic pain and attention-deficit hyperactivity disorder (ADHD) frequently coexist. However, the common pathology is still unclear. Attenuated noradrenergic endogenous analgesia can produce acute pain chronification, and dysfunction of noradrenergic systems […]

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Genetic evidence of the function of Phox2a-expressing anterolateral system neurons in the transmission of chronic pain.

The development of the chronic neuropathic pain state often originates at the level of peripheral sensory neurons, whose abnormal function elicits central sensitization and maladaptive plasticity in the nociceptive circuits […]

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Magnetic resonance spectroscopy (MRS) identification of chemically painful lumbar discs leads to improved 6-, 12-, and 24-month outcomes for discogenic low back pain surgeries.

MRS was shown to reliably quantify relative levels of degenerative pain biomarkers, differentiating painful versus non-painful discs in patients with chronic discogenic low back pain (DLBP), and this correlates with […]

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