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700113P

Avanti

7α-hydroxycholestenone

Avanti Research - A Croda Brand

Sinónimos:

C4; α-HC; α-HC; 7HCO; 7 α-3ox-C; 111107

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About This Item

Fórmula empírica (notación de Hill):
C27H44O2
Número de CAS:
Peso molecular:
400.64
Código UNSPSC:
12352211
NACRES:
NA.25

descripción

7α-hydroxy-4-cholesten-3-one

Análisis

>99% (TLC)

formulario

powder

envase

pkg of 1 × 1 mg (700113P-1mg)
pkg of 1 × 10 mg (700113P-10mg)

fabricante / nombre comercial

Avanti Research - A Croda Brand

Condiciones de envío

dry ice

temp. de almacenamiento

−20°C

InChI

1S/C27H44O2/c1-17(2)7-6-8-18(3)21-9-10-22-25-23(12-14-27(21,22)5)26(4)13-11-20(28)15-19(26)16-24(25)29/h15,17-18,21-25,29H,6-14,16H2,1-5H3/t18-,21-,22+,23+,24-,25+,26+,27-/m1/s1

Clave InChI

IOIZWEJGGCZDOL-RQDYSCIWSA-N

Categorías relacionadas

Descripción general

7α-Hydroxy-4-cholesten-3-one is an intermediate in the biochemical synthesis of bile acids from cholesterol. Its precursor, 7α-hydroxycholesterol, is produced from cholesterol by hepatic cholesterol 7α-hydroxylase (CYP7A1).[1]It is metabolized by the enzyme 7α-hydroxycholest-4-en-3-one 12α-hydroxylase to 7α,12α-dihydroxycholest-4-en-3-one and then to cholic acid, the major primary bile acid in humans. Alternatively, it can be converted into 5β-cholestane-3α,7α-diol and then to chenodeoxycholic acid, the other major primary bile acid in humans.Serum 7α-hydroxy-4-cholesten-3-one concentrations reflect the activity of the bile acid synthetic pathway. Serum 7α-hydroxy-4-cholesten-3-one values vary during the day as bile acid synthetic rates have a diurnal rhythm.[2]Elevated values are found in patients with bile acid malabsorption and may be useful in the diagnosis of this condition as high values are associated with low SeHCAT retention.[3] The increase in serum 7α-hydroxy-4-cholesten-3-one concentrations reflects the loss of bile acids secondary to bile acid malabsorption or the increased synthesis found in primary bile acid diarrhea associated with impaired negative feedback of CYP7A1 by FGF19.[4]

Aplicación


  • Role as a mediator in cholesterol metabolism: 7α-hydroxycholestenone has been implicated in the discussion on oxysterols as cholesterol metabolites that act as significant mediators within biological systems, highlighting its importance in cholesterol metabolism and potential pharmaceutical implications (Mutemberezi et al., 2016).

Envase

5 mL Amber Glass Screw Cap Vial (700113P-10mg)
5 mL Amber Glass Screw Cap Vial (700113P-1mg)

Información legal

Avanti Research is a trademark of Avanti Polar Lipids, LLC

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable


Certificados de análisis (COA)

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Serum 7 alpha-hydroxy-4-cholesten-3-one and selenohomocholyltaurine (SeHCAT) whole body retention in the assessment of bile acid induced diarrhoea.
Brydon WG, et al.
European Journal of Gastroenterology & Hepatology, 8(2), 117-123 (1996)
The enzymes, regulation, and genetics of bile acid synthesis. Annual review of biochemistry
Russell DW
Annual Review of Biochemistry, 72, 137-174 (2003)
Chronic diarrhea due to excessive bile acid synthesis and not defective ileal transport: a new syndrome of defective fibroblast growth factor 19 release.
Hofmann AF, et al.
Clinical Gastroenterology and Hepatology : the Official Clinical Practice Journal of the American Gastroenterological Association, 7 (11), 1151-1154 (2009)
Bile acid synthesis in humans has a rapid diurnal variation that is asynchronous with cholesterol synthesis.
Galman C, et al.
Gastroenterology, 129(5), 1445-1453 (2005)
Cecilia Gälman et al.
Gastroenterology, 129(5), 1445-1453 (2005-11-16)
The conversion of cholesterol to bile acids by the liver is an important regulator of body cholesterol homeostasis. In rodents, both cholesterol and bile acid synthesis have marked diurnal rhythms that peak synchronously at midnight. The aim of this study

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