Results 41 to 50 of about 4,556 (199)

Liquid Chromatography-Electrospray Linear Ion Trap Mass Spectrometry Analysis of Targeted Neuropeptides in Tac1-/- Mouse Spinal Cords Reveal Significant Lower Concentration of Opioid Peptides [PDF]

open access: yes, 2015
Tachykinin and opioid peptides play a central role in pain transmission, modulation and inhibition. The treatment of pain is very important in medicine and many studies using NK1 receptor antagonists failed to show significant analgesic effects in ...
Beaudry, Francis, Saidi, Mouna
core   +1 more source

Dynorphin activation of kappa opioid receptor promotes microglial polarization toward M2 phenotype via TLR4/NF-κB pathway

open access: yesCell & Bioscience, 2020
Background Microglia-mediated neuroinflammation is associated with epilepsy. Switching microglial polarization from the pro-inflammatory M1 phenotype to the anti-inflammatory M2 phenotype represents a novel therapeutic strategy for mitigating ...
Lin Liu   +5 more
doaj   +1 more source

Low Degree of Overlap Between Kisspeptin, Neurokinin B, and Dynorphin Immunoreactivities in the Infundibular Nucleus of Young Male Human Subjects Challenges the KNDy Neuron Concept. [PDF]

open access: yes, 2012
Previous immunohistochemical and in situ hybridization studies of sheep, goats, and rodents indicated that kisspeptin (KP), neurokinin B (NKB), and dynorphin A (DYN) are extensively colocalized in the hypothalamic arcuate nucleus, thus providing a basis ...
Borsay, Beáta Ágnes   +7 more
core   +1 more source

Inflammatory-linked changes in CpG island methylation of three opioid peptide genes in a rat model for pain. [PDF]

open access: yesPLoS ONE, 2018
Expression of the opioid peptide genes proopiomelanocortin (Pomc), proenkephalin (Penk), and prodynorphin (Pdyn), in immune cells plays a key role in endogenous pain control.
Charlotte Louise Justine Jacobi   +1 more
doaj   +1 more source

Defective Prodynorphin Processing in Mice Lacking Prohormone Convertase PC2 [PDF]

open access: yesJournal of Neurochemistry, 2000
Abstract: Prodynorphin, a multifunctional precursor of several important opioid peptides, is expressed widely in the CNS. It is processed at specific single and paired basic sites to generate various biologically active products. Among the prohormone convertases (PCs), PC1 and PC2 are expressed widely in neuroendocrine tissues and have been proposed ...
Y, Berman   +6 more
openaire   +2 more sources

Downregulation of the endogenous opioid peptides in the dorsal striatum of human alcoholics

open access: yesFrontiers in Cellular Neuroscience, 2015
The endogenous opioid peptides dynorphins and enkephalins may be involved in brain-area specific synaptic adaptations relevant for different stages of an addiction cycle.
Daniil eSarkisyan   +11 more
doaj   +1 more source

Antidyskinetic Treatment with MTEP Affects Multiple Molecular Pathways in the Parkinsonian Striatum

open access: yesParkinson's Disease, 2017
Parkinson’s disease is characterized by dopaminergic neuron loss and dopamine (DA) depletion in the striatum. Standard treatment is still focused on the restoration of dopamine with exogenous L-Dopa, which however causes L-Dopa-induced dyskinesia (LID ...
Jing-ya Lin   +4 more
doaj   +1 more source

Association between prodynorphin gene polymorphisms and opioid dependence susceptibility: a meta-analysis

open access: yesBMC Psychiatry, 2019
Background Prodynorphin (PDYN) gene polymorphisms have been linked with opioid dependence (OD) with conflicting outcomes, the aim of this study is to synthesize the existing evidence of the association between PDYN polymorphisms and OD susceptibility ...
Chang-wang Wang   +3 more
doaj   +1 more source

Conformation effects of CpG methylation on single-stranded DNA oligonucleotides: analysis of the opioid peptide dynorphin-coding sequences. [PDF]

open access: yesPLoS ONE, 2012
Single-stranded DNA (ssDNA) is characterized by high conformational flexibility that allows these molecules to adopt a variety of conformations. Here we used native polyacrylamide gel electrophoresis (PAGE), circular dichroism (CD) spectroscopy and ...
Malik Mumtaz Taqi   +9 more
doaj   +1 more source

Molecular and behavioral mechanisms mediating paclitaxel-induced changes in affect-like behavior in mice [PDF]

open access: yes, 2019
The antineoplastic paclitaxel is associated with negative affective outcomes, such as depression, anxiety, and decreased quality of life during treatment and convalescence. With the Baby Boomer population approaching peak cancer age, it is dire that the
Alkhlaif, Yasmin   +5 more
core   +1 more source

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