Results 111 to 120 of about 19,170 (265)

KNDy neurons as an indirect target of insulin‐like growth factor‐1

open access: yesJournal of Neuroendocrinology, Volume 38, Issue 1, January 2026.
Abstract Neurons in the arcuate nucleus of the hypothalamus (ARH) that coexpress kisspeptin, neurokinin B, and dynorphin (KNDy neurons) are considered the gonadotropin‐releasing hormone (GnRH) pulse generator necessary for fertility. KNDy neurons are also metabolic sensors controlling the hypothalamic–pituitary‐gonadal (HPG) axis.
Josiane do N. Silva   +8 more
wiley   +1 more source

Exploring the Role of Kisspeptin in Polycystic Ovary Syndrome and Its Associated Pregnancy Complications

open access: yesObesity Reviews, Volume 27, Issue 1, Page 1-21, January 2026.
ABSTRACT Polycystic ovary syndrome (PCOS) is a common endocrine disorder with a complex pathogenesis that includes disordered follicle development, hypothalamic–pituitary–ovarian (HPO) axis dysfunction, hyperandrogenemia, and insulin resistance. The risk of complications during pregnancy, such as gestational diabetes mellitus (GDM) and preeclampsia (PE)
Shaohua Zhang   +5 more
wiley   +1 more source

Dynorphin Controls the Gain of an Amygdalar Anxiety Circuit

open access: yesCell Reports, 2016
Kappa opioid receptors (KORs) are involved in a variety of aversive behavioral states, including anxiety. To date, a circuit-based mechanism for KOR-driven anxiety has not been described.
Nicole A. Crowley   +13 more
doaj   +1 more source

Stress-Induced Reinstatement of Drug Seeking: 20 Years of Progress [PDF]

open access: yes, 2015
In human addicts, drug relapse and craving are often provoked by stress. Since 1995, this clinical scenario has been studied using a rat model of stress-induced reinstatement of drug seeking.
A Cippitelli   +291 more
core   +2 more sources

Activity Based Anorexia as an Animal Model for Anorexia Nervosa–A Systematic Review [PDF]

open access: yes, 2019
Anorexia nervosa (AN) is a severe eating disorder affecting around 1 per 100 persons. However, the knowledge about its underlying pathophysiology is limited.
Schalla, Martha A., Stengel, Andreas
core   +1 more source

Dopaminergic, glutamatergic but not opioidergic mechanisms mediate induction of FOS-like protein by cocaethylene [PDF]

open access: yes, 1997
Cocaethylene is a psychoactive metabolite formed\ud during the combined consumption of cocaine and ethanol. As\ud this metabolite has many properties in common with cocaine, it is conceivable that cocaethylene administration may induce the activity of ...
DiPirro, Dr. J.M.   +3 more
core  

Exposure to chronic mild stress prevents kappa opioid-mediated reinstatement of cocaine and nicotine place preference [PDF]

open access: yes, 2013
Stress increases the risk of drug abuse, causes relapse to drug seeking, and potentiates the rewarding properties of both nicotine and cocaine. Understanding the mechanisms by which stress regulates the rewarding properties of drugs of abuse provides ...
Al-Hasani, Ream   +2 more
core   +2 more sources

Modulatory effects of orexin and dynorphin on stress-related alcohol seeking and relapse: pivotal role of the posterior paraventricular nucleus of the thalamus

open access: yesFrontiers in Pharmacology
Alcohol use disorder (AUD) remains a significant problem in the United States, resulting in over 178,000 alcohol-related deaths annually. A central problem in treating AUD is the high rate of relapse to alcohol use even after protracted periods of ...
Gabriel Holguin, Rémi Martin-Fardon
doaj   +1 more source

Nitrous Oxide: Mechanism of Its Antinociceptive Action [PDF]

open access: yes, 1995
Nitrous oxide (N2O) is an anesthetic gas known to produce an analgesic effect at sub-anesthetic concentrations. This analgesic property of N2O can be clinically exploited in a broad range of conditions where pain relief is indicated.
Quock, Raymond M., Vaughn, Linda K.
core   +1 more source

Rising plasma nociceptin level during development of HCC: A case report [PDF]

open access: yes, 2004
AIM: Although liver cirrhosis is a predisposing factor for hepatocellular carcinoma (HCC), relatively few reports are available on HCC in primary biliary cirrhosis.
Folhoffer, Anikó   +8 more
core   +1 more source

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