Results 61 to 70 of about 3,314 (190)
Frontiers in Behavioral Neuroscience, 2015 Whether the opioid system plays a role in the ability to flexibly adapt behavior is still unclear. We used fMRI to investigate the effect of a nucleotide tandem repeat (68-bp VNTR) functional polymorphism of the prodynorphin gene on cerebral activation ...
Mikhail eVotinov +7 more
doaj +1 more source
Functional Characterization of Spinocerebellar Ataxia Associated Dynorphin A Mutant Peptides
Biomedicines, 2021 Mutations in the prodynorphin gene (PDYN) are associated with the development of spinocerebellar ataxia type 23 (SCA23). Pathogenic missense mutations are localized predominantly in the PDYN region coding for the dynorphin A (DynA) neuropeptide and lead ...
Andreas Lieb +6 more
doaj +1 more source
Supraspinal Circuit Mechanisms Underlying Itch Processing
CNS Neuroscience &Therapeutics, Volume 32, Issue 7, July 2026.Peripheral pruriceptive signals ascend from the spinal cord to the brainstem, thalamus, and cortex to encode the sensory features of itch. Parallel projections to limbic and basal ganglia circuits mediate affective and motivational components, including aversion and scratching urge.
Yuncheng Luo +3 more
wiley +1 more source
BMC Neuroscience, 2010 Background Neuroplasticity induced by neonatal inflammation is the consequence of a combination of activity-dependent changes in neurons. We investigated neuronal sensitivity to a noxious stimulus in a rat model of neonatal hind-paw peripheral ...
Wen Yeong-Ray +7 more
doaj +1 more source
Characterization of the prodynorphin and proenkephalin neuropeptide systems in rat hippocampus [PDF]
The Journal of Neuroscience, 1985 Opioid peptides derived from prodynorphin were localized immunocytochemically to dentate granule cells and mossy fibers of the rat hippocampus with antisera against dynorphin A(1–17) and dynorphin B. Extracts of microdissected hippocampal regions were resolved by reverse phase and molecular exclusion chromatography to identify the molecular forms of ...
C, Chavkin +4 more
openaire +2 more sources
Journal of Neuroendocrinology, Volume 38, Issue 6, June 2026.Abstract Disorders of gonadotropin pulsatility contribute to reproductive dysfunction in humans and are often associated with metabolic dysfunction. Hypogonadotropic hypogonadism is characterized by chronically insufficient gonadotropin hormone production, leading to reproductive and metabolic impairments, such as infertility and obesity.
Nimisha Nandankar +7 more
wiley +1 more source
PLoS ONE, 2011 L-DOPA-induced dyskinesia is a troublesome complication of L-DOPA pharmacotherapy of Parkinson's disease and has been associated with disturbed brain opioid transmission.
Anna Ljungdahl +4 more
doaj +1 more source
Chronic Pain: Epidemiology, Pathophysiology, and Clinical Management
MedComm, Volume 7, Issue 5, May 2026.The multidimensional nature of chronic pain is illustrated through four interconnected domains. (Left) Epidemiology and Global Burden: Chronic pain affects approximately one in five individuals globally, contributing to a rising trend in disability‐adjusted life years (YLDs) and a significant socioeconomic impact.
Zhihao Shang +12 more
wiley +1 more source
Neurobiology of Disease, 2014 A role for enhanced peptidergic transmission, either opioidergic or not, has been proposed for the generation of l-3,4-dihydroxyphenylalanine (l-DOPA)-induced dyskinesia (LID) on the basis of in situ hybridization studies showing that striatal ...
Mathieu Bourdenx +7 more
doaj +1 more source
British Journal of Pharmacology, Volume 183, Issue 7, Page 1313-1340, April 2026.Abstract Chronic pain, marked by nociceptive sensitization and maladaptive neuroplasticity, affects 30% of the global population with escalating socioeconomic burdens. Epidemiological data show a 2‐3‐fold increase in neuropsychiatric co‐morbidities among individuals with chronic pain, where epigenetic dysregulation serves as a key mechanism linking ...
Kai Zhang +18 more
wiley +1 more source