نتایج جستجو برای: abcg1 abcg5 pyy 3
تعداد نتایج: 1812486 فیلتر نتایج به سال:
UNLABELLED Secretion of cholesterol into bile is important for the elimination of cholesterol from the body. Thyroid hormone (TH) increases biliary cholesterol secretion and hepatic gene expression of adenosine triphosphate (ATP)-binding cassette, subfamily G (WHITE), member 5 (ABCG5) and ATP-binding cassette, subfamily G (WHITE), member 8 (ABCG8), two half-transporters that act as a heterodime...
OBJECTIVE Peptide YY(3-36) (PYY(3-36)), a Y2 receptor agonist, and oxyntomodulin, a glucagon-like peptide 1 (GLP-1) receptor agonist, are cosecreted by intestinal L-cells after each meal. Separately each hormone acts as an endogenous satiety signal and reduces appetite in humans when infused intravenously. The aim of the current study was to investigate whether the anorectic effects of PYY(3-36...
ABC (ATP-binding cassette) proteins actively transport a wide variety of substrates, including peptides, amino acids, sugars, metals, drugs, vitamins and lipids, across extracellular and intracellular membranes. Of the 49 hum an ABC proteins, a significant number are known to mediate the extrusion of lipids from membranes or the flipping of membrane lipids across the bilayer to generate and mai...
In Response: Xie et al suggest that an alternative interpretation may explain the observation that LXR activation in macrophage preferentially presents ABCG1 at cell surface.1 They indicate that the newly synthesized ABCG1 on LXR activation may reach the cell surface through Golgi apparatus in macrophage, rather than via redistribution of preexisting ABCG1 from intracellular pools. Our interpre...
OBJECTIVE The purpose of this study was to evaluate the effect of the combined deletion of ABCA1 and ABCG1 expression in macrophages on foam cell formation and atherosclerosis. METHODS AND RESULTS LDL receptor knockout (KO) mice were transplanted with bone marrow from ABCA1/ABCG1 double KO (dKO) mice. Plasma cholesterol levels after 6 weeks of Western-type diet (WTD) feeding were significantl...
Chronic administration of anorexigenic substances to experimental animals by injections or continuous infusion typically produces either no effect or a transient reduction in food intake and body weight. Our aim here was to identify an intermittent dosing strategy for intraperitoneal infusion of peptide YY(3-36) [PYY(3-36)] that produces a sustained reduction in daily food intake and adiposity ...
BACKGROUND Peptide YY (PYY) and ghrelin are gastrointestinal tract-derived hormones that play roles in the regulation of food intake and energy balance. Negative energy balance often occurs in hospitalized preterm infants. METHODS To measure serum concentrations of PYY in preterm and full-term infants and to investigate their correlations with anthropometric characteristics, food intake, and ...
Altered levels of colonic peptide YY (PYY) have been reported in patients suffering from functional and inflammatory bowel disorders. While the involvement of neuropeptide Y (NPY) and Y receptors in the regulation of nociception is well established, the physiological role of PYY in somatic and visceral pain is poorly understood. In this work, the role of PYY in pain sensitivity was evaluated us...
Peptide YY3-36 inhibits food intake in mice through a melanocortin-4 receptor-independent mechanism.
Peptide YY(3-36) (PYY(3-36)), a peptide released postprandially by the gut, has been demonstrated to inhibit food intake. Little is known about the mechanism by which PYY(3-36) inhibits food intake, although the peptide has been shown to increase hypothalamic proopiomelanocortin (POMC) mRNA in vivo and to activate POMC neurons in an electrophysiological slice preparation. Understanding the phys...
Background: A group of adenosine triphosphate binding cassette transporter (ABCs) including ABCA1, ABCG1, ABCG4, ABCG5 and, ABCG8 induce cholesterol efflux from the cell and thereby are target genes in prevention and treatment of atherosclerosis. ABCA1, ABCG5 and, ABCG8 genes are activated by liver X receptor (LXR) and liver receptor homolog-1 (LRH-1) that play essential roles in metabolic proc...
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