Endogenous cholinergic inputs and local circuit mechanisms govern the phasic mesolimbic dopamine response to nicotine [PDF]
, 2013 Nicotine exerts its reinforcing action by stimulating nicotinic acetylcholine receptors (nAChRs) and boosting dopamine (DA) output from the ventral tegmental area (VTA).
A Taly +78 more
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Heterodimerization of apelin receptor and neurotensin receptor 1 induces phosphorylation of ERK1/2 and cell proliferation via Gαq-mediated mechanism [PDF]
, 2014 Dimerization of G protein-coupled receptors (GPCRs) is crucial for receptor function including agonist affinity, efficacy, trafficking and specificity of signal transduction, including G protein coupling.
Bai, B +5 more
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The varieties of the psychedelic experience: A preliminary study of the association between the reported subjective effects and the binding affinity profiles of substituted phenethylamines and tryptamines [PDF]
, 2018 Classic psychedelics are substances of paramount cultural and neuroscientific importance. A distinctive feature of psychedelic drugs is the wide range of potential subjective effects they can elicit, known to be deeply influenced by the internal state of
Erowid, Earth +6 more
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NeuroImage: Clinical, 2017 We aimed to investigate the integrity and clinical relevance of striatal dopamine receptor type-2 (D2R) availability in Parkinson's disease (PD) patients. We studied 68 PD patients, spanning from early to advanced disease stages, and 12 healthy controls.
Marios Politis +4 more
doaj +1 more source
Neural signatures of cognitive flexibility and reward sensitivity following nicotinic receptor stimulation in dependent smokers : a randomized trial [PDF]
, 2017 IMPORTANCE Withdrawal from nicotine is an important contributor to smoking relapse. Understanding how reward-based decision making is affected by abstinence and by pharmacotherapies such as nicotine replacement therapy and varenicline tartrate may aid ...
Aronson, Sarah E. +5 more
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PLoS ONE, 2015 The progressive degeneration of the dopamine neurons of the pars compacta of substantia nigra and the consequent loss of the dopamine innervation of the striatum leads to the impairment of motor behavior in Parkinson's disease.
Luis F Razgado-Hernandez +8 more
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Endocrinology, Diabetes & Metabolism, 2020 Introduction Within the ventromedial hypothalamus (VMH), glucose inhibitory (GI) neurons sense hypoglycaemia while glucose excitatory (GE) neurons sense hyperglycaemia to initiate counter control mechanisms under normal conditions.
Carl R. Stoelzel +2 more
doaj +1 more source
Hallucinogens: mechanisms and medical complications [PDF]
, 2013 Thesis (M.A.)--Boston UniversityHallucinogens are drugs that alter consciousness by distorting primarily auditory and visual perception but they can affect any sensory system. Hallucinogens also affect judgment, orientation, memory, or emotion.
Chan, Ryan Harry Alexander
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A Mechanism Linking Two Known Vulnerability Factors for Alcohol Abuse: Heightened Alcohol Stimulation and Low Striatal Dopamine D2 Receptors [PDF]
, 2019 Alcohol produces both stimulant and sedative effects in humans and rodents. In humans, alcohol abuse disorder is associated with a higher stimulant and lower sedative responses to alcohol.
Bocarsly, Miriam E. +8 more
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The challenge of perioperative pain management in opioid-tolerant patients [PDF]
, 2017 The increasing number of opioid users among chronic pain patients, and opioid abusers among the general population, makes perioperative pain management challenging for health care professionals.
Bifulco, F +9 more
core +2 more sources