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CY0100

Sigma-Aldrich

Cytochrome c Reductase (NADPH) Assay Kit

1 kit sufficient for 100 tests, determining cytochrome c reductase activity

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About This Item

UNSPSC Code:
12161503
NACRES:
NA.84

Quality Level

usage

 kit sufficient for 100 tests

shipped in

dry ice

storage temp.

−20°C

Gene Information

human ... POR(5447)

Related Categories

Biochem/physiol Actions

Eukaroytic NADPH-cytochrome c reductase (NADPH-cytochrome P450 reductase, EC1.6.2.4) is a flavoprotein localized to the endoplasmic reticulum. It transfers electrons from NADPH to several oxygenases, the most important of which are the cytochrome P450 family of enzymes, responsible for xenobiotic detoxification. NADPH-cytochrome c reductase is widely used as an endoplasmic reticulum marker and as one of the biomarkers for ecological pollution and dietary lipid uptake.

Features and Benefits

  • Detection of endoplasmic reticulum (ER) during isolation and subcellular fractionation by density gradient separation
  • Colorimetric measurement of NADPH-Cytochrome C Reductase activity in various sources after intoxication by drugs or challenge by xenobiotics
  • Analyze enrichment and function of ER

Analysis Note

The Cytochrome C Reductase Assay Kit contains all the reagents required for a fast and convenient determination of NADPH-Cytochrome C Reductase activity in cell and tissue extracts and in purified microsomes. It has been tested on samples prepared from various species of mammalian tissues such as liver, kidney, brain, spleen, and heart muscle, as well as on lysates from cell lines such as HeLa, HepG2, and Jurkat. In addition, it has been tested on samples prepared from the yeast strains P. pastoris and S. cerevisiae.

Kit Components Only

Product No.
Description

  • Assay Buffer 100 mL

  • Enzyme Dilution Buffer 25 mL

  • Cytochrome c 50 mg

  • Cytochrome c Reductase (NADPH) Positive Control from rabbit liver 50 μL

  • Cytochrome c Oxidase Inhibitor Solution 1 mL

Kit Components Also Available Separately

Product No.
Description
SDS

  • N6505β-Nicotinamide adenine dinucleotide 2′-phosphate reduced tetrasodium salt hydrate, ≥95% (HPLC) 25 mgSDS

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Description
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Pictograms

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Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Chronic 3

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects


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Diéssica Padilha Dalenogare et al.
Experimental neurology, 328, 113241-113241 (2020-02-12)
Central neuropathic pain is the main symptom caused by spinal cord lesion in relapsing-remitting multiple sclerosis (RRMS), but its management is still not effective. The transient receptor potential ankyrin 1 (TRPA1) is a pain detecting ion channel involved in neuropathic
C O Lemley et al.
Journal of dairy science, 93(3), 1012-1021 (2010-02-23)
In the cow, inadequate concentrations of progesterone during gestation may lead to an abrupt termination of pregnancy. The primary organ involved in progesterone catabolism is the liver, which contains an abundance of cytochrome P450 isozymes (EC 1.14.14.1; mixed-function monooxygenases). The
C O Lemley et al.
The Journal of endocrinology, 205(3), 233-241 (2010-03-13)
Elevated rates of steroid clearance may lead to lower reproductive success in several mammalian species. Cytochrome P450 (EC 1.14.14.1) and aldo-keto reductases (AKR; EC 1.1.1.145-151) are involved in the first phase of steroid inactivation, before second phase conjugation and excretion
Nathan M Long et al.
Reproductive biology and endocrinology : RB&E, 11, 34-34 (2013-05-10)
Previously we reported decreased circulating progesterone and fertility in one and two year old ewes born to undernourished mothers. This study was designed to investigate if this reduction in progesterone persisted into old age, and if it did, what mechanisms
D Plonne et al.
Analytical biochemistry, 276(1), 88-96 (1999-12-10)
A novel method is described for the separation on a single gradient of the major intracellular organelles of the secretory pathway, the Golgi, the smooth endoplasmic reticulum, and the rough endoplasmic reticulum. Total microsomes were prepared from rat liver by

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