Results 201 to 210 of about 16,062 (239)
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7-Dehydrocholesterol metabolites produced by sterol 27-hydroxylase (CYP27A1) modulate liver X receptor activity

The Journal of Steroid Biochemistry and Molecular Biology, 2014
7-Dehydrocholesterol (7-DHC) is a common precursor of vitamin D3 and cholesterol. Although various oxysterols, oxygenated cholesterol derivatives, have been implicated in cellular signaling pathways, 7-DHC metabolism and potential functions of its metabolites remain poorly understood.
Kaori, Endo-Umeda   +8 more
openaire   +2 more sources

Functional analysis of the promoter of human sterol 27-hydroxylase gene in HepG2 cells

Gene, 2002
Human sterol 27-hydroxylase catalyses the first step in the alternative pathway of bile acids biosynthesis in hepatocytes. However the gene encoding this enzyme (CYP27 gene) is expressed in every tissue and some evidence suggests that this enzyme plays a role in cholesterol homeostasis.
GARUTI R   +5 more
openaire   +3 more sources

Paradoxical enhancement of hepatic metabolism of 7-ketocholesterol in sterol 27-hydroxylase-deficient mice

Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids, 2002
7-Ketocholesterol (7KC) is a major oxysterol found in atherosclerotic plaque and is believed to be derived both endogenously and exogenously (from the diet). Previously, we have demonstrated that subsequent to hepatic lipoprotein uptake, 7KC delivered in a model chylomicron remnant lipid emulsion is metabolised more rapidly and excreted into the ...
Malcolm A, Lyons   +2 more
openaire   +2 more sources

Expression of sterol 27-hydroxylase in glial cells and its regulation by liver X receptor signaling

Neuroscience, 2009
Cholesterol is required in the brain for synaptogenesis and its turnover is critical for cerebral functions. Several proteins involved in cholesterol handling and metabolism are transcriptionally regulated by the nuclear liver X receptor (LXR) alpha and beta.
F. Gilardi   +9 more
openaire   +4 more sources

Premature termination codon at the sterol 27-hydroxylase gene causes cerebrotendinous xanthomatosis in a French family

Human Genetics, 1995
Cerebrotendinous xanthomatosis (CTX) is an autosomal recessive lipid-storage disease caused by mutations in the sterol 27-hydroxylase gene (CYP27). So far several mutations causing CTX have been identified and characterized. A new mutation creating an insertion of cytosine at position 6 in the cDNA, which is expected to result in a frameshift and a ...
H, Segev   +5 more
openaire   +2 more sources

Premature termination codon at the sterol 27-hydroxylase gene causes cerebrotendinous xanthomatosis in an Afrikaner family

Human Molecular Genetics, 1994
Cerebrotendinous xanthomatosis (CTX) is an autosomal recessive lipid-storage disease caused by mutations in the sterol 27-hydroxylase gene (CYP27). So far several mutations causing CTX have been identified and characterized. A new mutation creating an insertion of cytosine at position 6 in the cDNA, which is expected to result in a frameshift and a ...
V, Meiner   +4 more
openaire   +2 more sources

Competitive inhibition of hepatic sterol 27-hydroxylase by sitosterol: decreased activity in sitosterolemia.

Proceedings of the Association of American Physicians, 1998
We investigated the effect of sitosterol on hepatic sterol 27-hydroxylase activities in subjects with sitosterolemia, a recessive inherited disease associated with accelerated atherosclerosis and increased levels of sitosterol and other plant sterols and stanols in tissues.
L B, Nguyen   +4 more
openaire   +1 more source

Down-regulation of the rat hepatic sterol 27-hydroxylase

The Journal of Steroid Biochemistry and Molecular Biology, 1999
Yi-Ping Rao   +6 more
openaire   +1 more source

Transcriptional regulation of human sterol 27-hydroxylase gene in HepG2 cells

Atherosclerosis Supplements, 2001
R. Garuti   +3 more
openaire   +1 more source

Liver sterol 27 hydroxylase in hamster: Modulation by steroids and diets

Atherosclerosis, 2000
C. Lutton   +3 more
openaire   +1 more source

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