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AB264996

Human POR (Cytochrome P450 Reductase) knockout HeLa cell line

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POR KO cell line available to order. KO validated by Western blot. Free of charge wild type control provided. Knockout achieved by using CRISPR/Cas9, Homozygous: Insertion of the selection cassette in exon 4.

View Alternative Names

CPR, CYPOR, Cytochrome p450 oxidoreductase, DKFZp686G04235, FLJ26468, NADPH dependent cytochrome P450 reductase, NADPH--cytochrome P450 reductase, NCPR_HUMAN, P450 (cytochrome) oxidoreductase, P450 Cytochrome Oxidoreductase, P450R, POR

2 Images
Western blot - Human POR (Cytochrome P450 Reductase) knockout HeLa cell line (AB264996)
  • WB

Lab

Western blot - Human POR (Cytochrome P450 Reductase) knockout HeLa cell line (AB264996)

ab180597 Anti-Cytochrome P450 Reductase antibody [EPR14479(B)] was shown to specifically react with Cytochrome P450 Reductase in HeLa wild-type cells ( ab255448). Loss of signal was observed when knockout cell line ab264996 (knockout cell lysate ab257595) was used. Wild-type and Cytochrome P450 Reductase knockout samples were subjected to SDS-PAGE. ab180597 and Anti-GAPDH antibody [6C5] - Loading Control (ab8245) were incubated overnight at 4° at 1 in 10000 dilution and 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.

All lanes:

Western blot - Anti-Cytochrome P450 Reductase antibody [EPR14479(B)] (<a href='/en-us/products/primary-antibodies/cytochrome-p450-reductase-antibody-epr14479b-ab180597'>ab180597</a>) at 1/10000 dilution

Lane 1:

Wild-type HeLa lysate at 20 µg

Lane 2:

Cytochrome P450 Reductase knockout HeLa lysate at 20 µg

Lane 2:

Western blot - Human POR (Cytochrome P450 Reductase) knockout HeLa cell line (ab264996)

Lane 3:

HepG2 lysate at 20 µg

Lane 4:

A431 lysate at 20 µg

Predicted band size: 76 kDa

false

Sanger Sequencing - Human POR (Cytochrome P450 Reductase) knockout HeLa cell line (AB264996)
  • Sanger seq

Unknown

Sanger Sequencing - Human POR (Cytochrome P450 Reductase) knockout HeLa cell line (AB264996)

Homozygous : Insertion of the selection cassette in exon 4.

Key facts

Cell type

HeLa

Species or organism

Human

Tissue

Cervix

Form

Liquid

form

Knockout validation

Sanger Sequencing,Western blot

Mutation description

Knockout achieved by using CRISPR/Cas9, Homozygous: Insertion of the selection cassette in exon 4

Disease

Adenocarcinoma

Reactivity data

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Product details

Recommended control: Human wild-type HeLa cell line (ab255448). Please note a wild-type cell line is not automatically included with a knockout cell line order, if required please add recommended wild-type cell line at no additional cost using the code WILDTYPE-TMTK1.

We will provide viable cells that proliferate on revival.

This product is subject to limited use licenses from The Broad Institute, ERS Genomics Limited and Sigma-Aldrich Co. LLC, and is developed with patented technology. For full details of the licenses and patents please refer to our limited use license and patent pages.

What's included?

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Properties and storage information

Gene name
POR
Gene editing type
Knockout
Gene editing method
CRISPR technology
Knockout validation
Sanger Sequencing, Western blot
Zygosity
Homozygous
Shipped at conditions
Dry Ice
Appropriate short-term storage conditions
-196°C
Appropriate long-term storage conditions
-196°C

Handling procedures

Initial handling guidelines

Upon arrival, the vial should be stored in liquid nitrogen vapor phase and not at -80°C. Storage at -80°C may result in loss of viability.

1. Thaw the vial in 37°C water bath for approximately 1-2 minutes.
2. Transfer the cell suspension (0.8 mL) to a 15 mL/50 mL conical sterile polypropylene centrifuge tube containing 8.4 mL pre-warmed culture medium, wash vial with an additional 0.8 mL culture medium (total volume 10 mL) to collect remaining cells, and centrifuge at 201 x g (rcf) for 5 minutes at room temperature. 10 mL represents minimum recommended dilution. 20 mL represents maximum recommended dilution.
3. Resuspend the cell pellet in 5 mL pre-warmed culture medium and count using a haemocytometer or alternative cell counting method seed all remaining cells into a T25.
4. Incubate the culture at 37°C incubator with 5% CO2. Check the culture one day after revival and continue to check until 80% confluent. Media change can be given if needed.
5. Once confluent passage into an appropriate flask at a density of 2x104 cells/cm2. Seeding density is given as a guide only and should be scaled to align with individual lab schedules. Cultures should be monitored daily.

Subculture guidelines
  • All seeding densities should be based on cell counts gained by established methods.
  • A guide seeding density of 2x104 cells/cm2 is recommended.
  • Cells should be passaged when they have achieved 80-90% confluence.
Culture medium

DMEM (High Glucose) + 10% FBS

Cryopreservation medium

Cell Freezing Medium-DMSO Serum free media, contains 8.7% DMSO in MEM supplemented with methyl cellulose.

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Cytochrome P450 reductase also known as NADPH--cytochrome P450 reductase (CPR) is an enzyme important in electron transfer. It has a mass of approximately 77 kDa and is responsible for transferring electrons from NADPH to cytochrome P450 enzymes supporting their function. The enzyme is predominantly expressed in the endoplasmic reticulum of liver cells and other tissues where detoxification processes occur. Cytochrome reductase as it is sometimes called plays a fundamental role in the metabolism of drugs and the synthesis of cholesterol steroids and other lipids.
Biological function summary

CPR facilitates electron donation to all microsomal cytochrome P450 enzymes which are involved in a variety of oxidative reactions. This protein is essential for P450 activity assay as it is part of a multienzyme complex that metabolizes exogenous and endogenous compounds efficiently. Without cytochrome P450 reductase the catalytic activity of cytochrome P450 enzymes becomes impaired affecting metabolizing mechanisms for various substances and having systemic biological impacts.

Pathways

Cytochrome P450 reductase directly participates in drug metabolism and steroid biosynthesis pathways. It together with the cytochrome P450 enzymes metabolizes drugs to make them more water-soluble for excretion. The proteins 3 beta-hydroxysteroid dehydrogenase and CYP3A4 are some of the related components within these pathways working in conjunction to achieve metabolic homeostasis. P450 reductase assays are often utilized to study these pathways further understanding the biological roles and interactions of these proteins.

CPR has a significant connection to conditions like congenital adrenal hyperplasia and prostate cancer. Mutations or dysregulations in cytochrome P450 reductase can lead to accumulated steroid precursors and disrupted steroid hormone synthesis contributing to these disorders. The relationship with adrenal enzyme 21-hydroxylase and the androgen receptor illustrates the pathway complexities and the clinical relevance of cytochrome P450 reductase. Understanding these connections highlights the importance of CPR in maintaining normal physiological functions and how its abnormalities can lead to serious health issues.

Quality control

STR analysis

CSF1PO, D13S317, D7S820, D5S818, TH01, D16S539, TPOX

Cell culture

Biosafety level

EU: 2 US: 2

Adherent/suspension

Adherent

Gender

Female

Product protocols

Product promise

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