نتایج جستجو برای: 3 hydroxy 3 methylglutaryl coa reductase hmgcr cholesterol cholesterol 7α hydroxylase
تعداد نتایج: 1946999 فیلتر نتایج به سال:
Cholesterol synthesis is regulated by the transcription factor sterol regulatory element binding protein 2 (SREBP-2) and its target gene 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR), which is the rate-limiting enzyme in cholesterol synthesis. Cyclic adenosine monophosphate-responsive element (CRE) binding protein-regulated transcription coactivator (CRTC) 2 is the master regulator of...
The 3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR) acts as a potential genetic modifier for Alzheimer's disease (AD). Previous reports identified that HMGCR rs3846662 polymorphism is associated with biosynthesis of cholesterol in AD pathology. In order to assess the involvement of the HMGCR polymorphism in the risk of late-onset AD (LOAD) in northern Han Chinese, we performed a case-control s...
Recently, the discovery of natural compounds capable of modulating nervous system function has revealed new perspectives for a healthier brain. Here, we investigated the effects of oleic acid (OA) and hydroxytyrosol (HTyr), two important extra virgin olive oil compounds, on lipid synthesis in C6 glioma cells. OA and HTyr inhibited both de novo fatty acid and cholesterol syntheses without affect...
Treatment of logarithmically growing rat intestinal epithelial cells (IEC-6) in culture with vitamin D3 (cholecalciferol), 25-hydroxy vitamin D3 (25-hydroxy cholecalciferol), 1,25-dihydroxy vitamin D3 (1,25-dihydroxycholecalciferol), and 24,25 dihydroxy vitamin D3 (24(R),25-dihydroxycholecalciferol), caused an inhibition of the cholesterol biosynthetic pathway at two separate sites. At concentr...
The activity of 3-hydroxy-3-methylglutaryl-CoA (HMG-CoA) reductase and 7alpha-hydroxylase, the enzymes controlling the rate of hepatic synthesis, respectively, of cholesterol and bile acids, and the microsomal cholesterol content were evaluated in 25 patients with cholesterol gallstones and 17 subjects without gallstones. The same quantities were estimated in 16 additional patients with gallsto...
OBJECTIVE 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGCR) catalyzes the rate-limiting step in cholesterol biosynthesis and has proven to be an effective target of lipid-lowering drugs, statins. The aim of this study was to understand the role of hepatic HMGCR in vivo. METHODS AND RESULTS To disrupt the HMGCR gene in liver, we generated mice homozygous for a floxed HMGCR allele and het...
Regulation of the expression of hepatic 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase by the major end product of the biosynthetic pathway, cholesterol, and by various hormones is critical to maintaining constant serum and tissue cholesterol levels in the face of an ever-changing external environment. The ability to downregulate this enzyme provides a means to buffer the body agains...
Non-alcoholic fatty liver disease (NAFLD) has become a common liver disease in recent decades. No effective treatment is currently available. Probiotics and natural functional food may be promising therapeutic approaches to this disease. The present study aims to investigate the efficiency of the anthraquinone from Cassia obtusifolia L. (AC) together with cholesterol-lowering probiotics (P) to ...
Injury to the optic nerve may lead to axonal degeneration, followed by the gradual death of retinal ganglion cells (RGCs), which results in irreversible vision loss. In the present study the mechanism of optic nerve injury, and the following regeneration and repair processes associated with sirtuin 1 (SIRT1)‑regulated lipid metabolism were analyzed. In addition, the treatment of optic nerve inj...
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