Results 131 to 140 of about 468,250 (391)

Fasting and Refeeding Mediated Phospholipid Remodeling Plays an Important Role in Improving Meat Quality of Aged Laying Hens

open access: yesAnimal Research and One Health, EarlyView.
ABSTRACT This study explored fasting‐induced physiological remodeling effects on meat quality in aged laying hens. Fasting for 15 days (F15) significantly reduced abdominal fat, intermuscular fat width, subcutaneous fat thickness, and liver index versus pre‐fasting (F0) (p < 0.05), which recovered post‐refeeding.
Xiaoran Zhang   +8 more
wiley   +1 more source

β-adrenergic receptor responsiveness in aging heart and clinical implications

open access: yesFrontiers in Physiology, 2014
Elderly healthy individuals have a reduced exercise tolerance and a decreased left ventricle inotropic reserve related to increased vascular afterload, arterial-ventricular load mismatching, physical deconditioning and impaired autonomic regulation (the ...
Nicola eFerrara   +10 more
doaj   +1 more source

Regulation of protein kinase B and glycogen synthase kinase-3 by insulin and beta-adrenergic agonists in rat epididymal fat cells - Activation of protein kinase B by wortmannin-sensitive and -insensittve mechanisms [PDF]

open access: yes, 1997
Previous studies using L6 myotubes have suggested that glycogen synthase kinase-3 (GSK-3) is phosphoryl ated and inactivated in response to insulin by protein kinase B (PKB, also known as Akt or RAG) (Cross, D, A, E., Alessi, D, R., Cohen, P ...
Denton, Richard M.   +5 more
core  

Fresh insights into the light‐induced pineal gland circadian rhythm transmission mechanism derived from mRNA and miRNA profiling

open access: yesAnimal Research and One Health, EarlyView.
Mechanisms of light in regulating the chick pineal clock. Abstract The circadian clock significantly impacts animal health and productivity, with light playing a crucial role in regulating circadian rhythms. However, the mechanisms behind light‐induced circadian transmission remain unclear, particularly in light‐sensitive avian species.
Yunlei Li   +10 more
wiley   +1 more source

Preponderance of alpha 2- over beta 1-adrenergic receptor sites in human fat cells is not predictive of the lipolytic effect of physiological catecholamines

open access: yesJournal of Lipid Research, 1983
Adrenergic control of human fat cell lipolysis is mediated by two kinds of receptor sites that are simultaneously stimulated by physiological amines. To establish a correlation between the binding characteristics of the receptor and biological functions,
M Lafontan, M Berlan, A Villeneuve
doaj   +1 more source

Drugs induced Raynaud's phenomenon and underlying mechanism: a disproportionality analysis from the WHO pharmacovigilance database

open access: yesArthritis &Rheumatology, Accepted Article.
Objectives The aim of this study is to generate hypotheses about unknown drugs associated with the onset or worsening of Raynaud's Phenomenon (RP) and to explore their potential pathophysiological mechanisms through a mixed disproportionality/clustering analysis from the WHO pharmacovigilance database.
Alex Hlavaty   +4 more
wiley   +1 more source

ß-Adrenergic stimulation increases RyR2 activity via intracellular Ca2+ and Mg2+ regulation.

open access: yesPLoS ONE, 2013
Here we investigate how ß-adrenergic stimulation of the heart alters regulation of ryanodine receptors (RyRs) by intracellular Ca(2+) and Mg(2+) and the role of these changes in SR Ca(2+) release.
Jiao Li   +6 more
doaj   +1 more source

Beyond right or wrong: How partial credit scoring on multiple‐choice questions improves student performance and assessment perceptions

open access: yesBritish Journal of Clinical Pharmacology, EarlyView.
Aims In this study, we examined the effects of assigning partial credit to selected answer choices on student performance and perceptions in a pharmacology course using Type A multiple‐choice questions (MCQs). Methods Partial credit scoring was incorporated into quizzes and exams in a 10‐week pharmacology course for postbaccalaureate premedical ...
Stephen D. Schneid   +2 more
wiley   +1 more source

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