Date published: 2026-1-6

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CYP8B1 Antibody (M15-P3B7): sc-101387

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Datasheets
  • CYP8B1 Antibody (M15-P3B7) is a mouse monoclonal IgG1 κ CYP8B1 antibody, cited in 11 publications, provided at 200 µg/ml
  • raised against a synthetic peptide corresponding to amino acids 486-494 of CYP8B1 of human origin
  • CYP8B1 Antibody (M15-P3B7) is recommended for detection of CYP8B1 of mouse, rat and human origin by WB, IP and ELISA
  • Anti-CYP8B1 Antibody (M15-P3B7) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG1 BP-HRP is the preferred secondary detection reagent for CYP8B1 Antibody (M15-P3B7) for WB applications. This reagent is now offered in a bundle with CYP8B1 Antibody (M15-P3B7) (see ordering information below).

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CYP8B1 Antibody (M15-P3B7) is a mouse monoclonal IgG1 kappa light chain antibody that detects CYP8B1 protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), and enzyme-linked immunosorbent assay (ELISA). CYP8B1 (M15-P3B7) antibody is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. CYP8B1, also known as sterol 12-alpha-hydroxylase, plays a crucial role in bile acid synthesis, which is essential for the digestion and absorption of dietary fats and fat-soluble vitamins. Located primarily in the liver, CYP8B1 is responsible for moderating the ratio of cholic acid to chenodeoxycholic acid, thereby influencing cholesterol solubility and preventing the formation of gallstones. The gene encoding human CYP8B1 is situated on chromosome 3p22.1 and encodes a 501-amino acid protein that is intronless, with its promoter being transactivated by hepatocyte nuclear factor 4α. Notably, disruption of CYP8B1 gene in mice leads to the absence of cholate, a primary bile acid, highlighting its vital role in maintaining bile acid homeostasis and overall metabolic health.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

CYP8B1 Antibody (M15-P3B7) References:

  1. Structure and chromosomal assignment of the sterol 12alpha-hydroxylase gene (CYP8B1) in human and mouse: eukaryotic cytochrome P-450 gene devoid of introns.  |  Gåfvels, M., et al. 1999. Genomics. 56: 184-96. PMID: 10051404
  2. Transcriptional regulation of the human sterol 12alpha-hydroxylase gene (CYP8B1): roles of heaptocyte nuclear factor 4alpha in mediating bile acid repression.  |  Zhang, M. and Chiang, JY. 2001. J Biol Chem. 276: 41690-9. PMID: 11535594
  3. Cholic acid mediates negative feedback regulation of bile acid synthesis in mice.  |  Li-Hawkins, J., et al. 2002. J Clin Invest. 110: 1191-200. PMID: 12393855
  4. Human sterol 12a-hydroxylase (CYP8B1) is mainly expressed in hepatocytes in a homogenous pattern.  |  Wang, J., et al. 2005. Histochem Cell Biol. 123: 441-6. PMID: 15891895
  5. Loss of Cyp8b1 improves glucose homeostasis by increasing GLP-1.  |  Kaur, A., et al. 2015. Diabetes. 64: 1168-79. PMID: 25338812
  6. Cyp8b1 ablation prevents Western diet-induced weight gain and hepatic steatosis because of impaired fat absorption.  |  Bertaggia, E., et al. 2017. Am J Physiol Endocrinol Metab. 313: E121-E133. PMID: 28377401
  7. Genetic ablation of Cyp8b1 preserves host metabolic function by repressing steatohepatitis and altering gut microbiota composition.  |  Patankar, JV., et al. 2018. Am J Physiol Endocrinol Metab. 314: E418-E432. PMID: 29066462
  8. Haploinsufficiency of CYP8B1 associates with increased insulin sensitivity in humans.  |  Zhong, S., et al. 2022. J Clin Invest. 132: PMID: 36107630
  9. CYP8B1 downregulation mediates the metabolic effects of vertical sleeve gastrectomy in mice.  |  Liu, Y., et al. 2024. Hepatology. 79: 1005-1018. PMID: 37820064
  10. CYP8B1 Catalyzes 12alpha-Hydroxylation of C27 Bile Acid: In Vitro Conversion of Dihydroxycoprostanic Acid into Trihydroxycoprostanic Acid.  |  Wang, Y., et al. 2024. Drug Metab Dispos. 52: 1234-1243. PMID: 39214664
  11. Molecular cloning and expression of rabbit sterol 12alpha-hydroxylase.  |  Eggertsen, G., et al. 1996. J Biol Chem. 271: 32269-75. PMID: 8943286
  12. P450BM-3; a tale of two domains--or is it three?  |  Peterson, JA., et al. 1997. Steroids. 62: 117-23. PMID: 9029725

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CYP8B1 Antibody (M15-P3B7)

sc-101387
200 µg/ml
$322.00

CYP8B1 Antibody (M15-P3B7): m-IgG1 BP-HRP Bundle

sc-551138
200 µg Ab; 20 µg BP
$361.00

CYP8B1 Antibody (M15-P3B7) AC

sc-101387 AC
500 µg/ml, 25% agarose
$424.00

CYP8B1 Antibody (M15-P3B7) HRP

sc-101387 HRP
200 µg/ml
$322.00

CYP8B1 Antibody (M15-P3B7) FITC

sc-101387 FITC
200 µg/ml
$336.00

CYP8B1 Antibody (M15-P3B7) PE

sc-101387 PE
200 µg/ml
$349.00

CYP8B1 Antibody (M15-P3B7) Alexa Fluor® 488

sc-101387 AF488
200 µg/ml
$364.00

CYP8B1 Antibody (M15-P3B7) Alexa Fluor® 546

sc-101387 AF546
200 µg/ml
$364.00

CYP8B1 Antibody (M15-P3B7) Alexa Fluor® 594

sc-101387 AF594
200 µg/ml
$364.00

CYP8B1 Antibody (M15-P3B7) Alexa Fluor® 647

sc-101387 AF647
200 µg/ml
$364.00

CYP8B1 Antibody (M15-P3B7) Alexa Fluor® 680

sc-101387 AF680
200 µg/ml
$364.00

CYP8B1 Antibody (M15-P3B7) Alexa Fluor® 790

sc-101387 AF790
200 µg/ml
$364.00

Hi, I am a researcher at City of Hope Medical Center. These day we start to have a research at cyp8b1 knockout mice and need a antibody of cyp8b1, and before that can we receive a FREE 10 µg sample of CYP8B1 (M15-P3B7): sc-101387? Appreciate a lot.

Asked by: Blake
Thank you for the question and your interest in our products. We will contact you by email regarding your request.
Answered by: Technical Support Europe
Date published: 2018-02-02

Are there any issues with using sc-101387: CYP8B1 (M15-P3B7) mouse monoclonal primary antibody on mouse samples?

Asked by: Cweed
Thank you for your inquiry. The use of mouse monoclonal antibodies with mouse samples is very common and typically poses no problem. To eliminate any potential cross-reactivity of an anti-mouse secondary detection reagent,we recommend using a directly conjugated primary antibody. Please contact our special orders department for pricing and availability of sc-101387 conjugates.
Answered by: Technical Support
Date published: 2017-03-07
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Rated 1 out of 5 by from Unspecific bandsWe got CYP8b1 and FGFR4 antibody samples and they do not work for WB application. For both these antibodies tried on murine liver samples (on different blots) we got unspecific bands at exact same MW which we could not get rid off even after harsh stripping. It took us lot of time and energy for nothing in the end.
Date published: 2018-05-11
Rated 5 out of 5 by from Cyp8b1 antibody gives good bands on Liver WesternI received Cyp8b1 sample antibody with Cyp27a1 sample antibody and both gave good bands on mouse liver westerns. Used 1:1000 dilutions for primary and secondary antibodies, and "femto" enhancer instead of regular "pico" enhancer. Got really good bands, see picture
Date published: 2017-09-21
Rated 4 out of 5 by from WB ResultsI applied for a sample two week ago.My sample is the mouse liver. Incubated the antibody for overnight at 4℃, 1:1000 dilution, and  m-IgGκ BP-HRP  incubated for 1 hour at RT , 1:1000 dilution.The results are shown in the figure.
Date published: 2017-09-16
Rated 5 out of 5 by from WB positive in human liver microsomesWB positive in human liver microsomes. -SCBT QC
Date published: 2013-07-08
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CYP8B1 Antibody (M15-P3B7) is rated 3.8 out of 5 by 4.
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