Date published: 2026-4-4

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Ki67 Antibody (Ki-67): sc-23900

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Datasheets
  • Ki67 Antibody (Ki-67) is a mouse monoclonal IgG1 κ Ki67 antibody, cited in 392 publications, provided at 200 µg/ml
  • raised against nuclear fractions of human tumor cell line, L428
  • Ki67 Antibody (Ki-67) is recommended for detection of Ki67 of human origin by WB, IP, IF, IHC(P) and FCM
  • Anti-Ki67 Antibody (Ki-67) 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-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for Ki67 Antibody (Ki-67) for WB and IHC(P) applications. These reagents are now offered in bundles with Ki67 Antibody (Ki-67) (see ordering information below).
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Ki67 Antibody (Ki-67) is a mouse monoclonal IgG1 kappa light chain antibody that detects Ki67 by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry (IHC), and flow cytometry (FCM). Anti-Ki67 antibody (Ki-67) 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. Ki67 serves as a crucial nuclear marker associated with cell proliferation, playing a significant role in cell cycle regulation. Ki67 expression is tightly linked to cellular growth and division, making Ki67 an essential indicator for assessing tumor growth and aggressiveness. Elevated Ki67 levels are often observed in rapidly dividing cells, and Ki67 quantification correlates with the histopathological grade of various neoplasms, including solid tumors and hematological malignancies. Studies have demonstrated that Ki67 index provides valuable insights into disease progression, particularly in renal and ureter tumors, where Ki67 aids in identifying high-risk patients. Ki67 expression helps differentiate between malignant and benign peripheral nerve sheath tumors, underscoring Ki67′s importance in clinical diagnostics and prognostics.

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

Ki67 Antibody (Ki-67) References:

  1. Prognostic factors of ovarian granulosa cell tumor: a study of 35 patients and review of the literature.  |  Auranen, A., et al. 2007. Int J Gynecol Cancer. 17: 1011-8. PMID: 17374124
  2. Significance of cyclooxygenase-2 in prognosis, targeted therapy and chemoprevention of NSCLC.  |  Lee, JM., et al. 2007. Future Oncol. 3: 149-53. PMID: 17381414
  3. Skp2 is an independent prognosticator of gallbladder carcinoma among p27(Kip1)-interacting cell cycle regulators: an immunohistochemical study of 62 cases by tissue microarray.  |  Li, SH., et al. 2007. Mod Pathol. 20: 497-507. PMID: 17384652
  4. Modalities of synthesis of Ki67 antigen during the stimulation of lymphocytes.  |  Lopez, F., et al. 1991. Cytometry. 12: 42-9. PMID: 1999122
  5. Immunohistochemical and molecular analysis of p53, MDM2, proliferating cell nuclear antigen and Ki67 in benign and malignant peripheral nerve sheath tumours.  |  Kindblom, LG., et al. 1995. Virchows Arch. 427: 19-26. PMID: 7551341
  6. Validation of flow-cytometric determination of Ki67 expression as a measure of growth factor response in acute myelogenous leukemia.  |  Gore, SD., et al. 1993. Exp Hematol. 21: 1702-8. PMID: 7694870
  7. The cell proliferation-associated antigen of antibody Ki-67: a very large, ubiquitous nuclear protein with numerous repeated elements, representing a new kind of cell cycle-maintaining proteins.  |  Schlüter, C., et al. 1993. J Cell Biol. 123: 513-22. PMID: 8227122
  8. Proliferative activity of urothelial neoplasms: comparison of BrdU incorporation, Ki67 expression, and nucleolar organiser regions.  |  Limas, C., et al. 1993. J Clin Pathol. 46: 159-65. PMID: 8459037
  9. KI67 proliferation index in tumors of the upper urinary tract as related to established prognostic factors and long-term survival.  |  Rey, A., et al. 1998. Arch Esp Urol. 51: 204-10. PMID: 9586325

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Ki67 Antibody (Ki-67)

sc-23900
200 µg/ml
$322.00

Ki67 Antibody (Ki-67): m-IgG Fc BP-HRP Bundle

sc-526628
200 µg Ab; 10 µg BP
$361.00

Ki67 Antibody (Ki-67): m-IgG1 BP-HRP Bundle

sc-532001
200 µg Ab; 20 µg BP
$361.00

Ki67 Antibody (Ki-67) AC

sc-23900 AC
500 µg/ml, 25% agarose
$424.00

Ki67 Antibody (Ki-67) HRP

sc-23900 HRP
200 µg/ml
$322.00

Ki67 Antibody (Ki-67) FITC

sc-23900 FITC
200 µg/ml
$336.00

Ki67 Antibody (Ki-67) PE

sc-23900 PE
200 µg/ml
$349.00

Ki67 Antibody (Ki-67) Alexa Fluor® 488

sc-23900 AF488
200 µg/ml
$364.00

Ki67 Antibody (Ki-67) Alexa Fluor® 546

sc-23900 AF546
200 µg/ml
$364.00

Ki67 Antibody (Ki-67) Alexa Fluor® 594

sc-23900 AF594
200 µg/ml
$364.00

Ki67 Antibody (Ki-67) Alexa Fluor® 647

sc-23900 AF647
200 µg/ml
$364.00

Ki67 Antibody (Ki-67) Alexa Fluor® 680

sc-23900 AF680
200 µg/ml
$364.00

Ki67 Antibody (Ki-67) Alexa Fluor® 790

sc-23900 AF790
200 µg/ml
$364.00

Hi, I need help, I ordered this antibody, but I think I made the mistake and I need detection this Ki67 of mouse. Do you think, it is work for detection in the mouse? ,

Asked by: Katarína
Thank you for your question. Based on our tests with this antibody, Ki67 Antibody (Ki-67) is only recommended for detection of Ki67 of human origin by WB, IP, IF, IHC(P) and FCM. There is some data citing use of the antibody in murine samples, though.
Answered by: Tech Support Europe
Date published: 2025-07-30

Hi, Subject: Request for Usage Protocol and Secondary Antibody I recently purchased the Ki-67 antibody (sc-23900 AF488, Alexa Fluor® 488-conjugated) from your company. I would appreciate it if you could provide the reco

Asked by: Mehmet
Thank you for contacting Santa Cruz Biotechnology. Please contact technical service for further assistance. Please call 800-457-3801 or email scbt@scbt.com.
Answered by: BlakeJ
Date published: 2025-02-07

Does this antibody also have cross reactivity in rabbit liver tissue? How long does it take to arrive to the republic of korea

Asked by: Sera
Thank you for your question. Ki67 Antibody (Ki-67) is recommended for detection of Ki67 of human origin by WB, IP, IF, IHC(P) and FCM https://www.scbt.com/resources/distributors Korea For ordering or product information contact us at: Essence Medical Inc. 417 Leaders B/D, Yatapdong 342-1 Bundanggu Seongnam Gyeonggi-do Korea Phone: 82-31-707-1544 Fax: 82-31-707-1999 Email: info@essencemedical.com Website: www.essencemedical.com Koram Biotech Corporation 6F, Koram Venture Building 907-1 Daechi-Dong Kang Nam-Ku Seoul 135-080 Korea Phone: 82 (2) 556-0311 Fax: 82 (2) 556-0828 Email: koram@korambiotech.com Website: www.korambiotech.com
Answered by: Ling Chen
Date published: 2024-10-11

IHC(P) : what do you recommend for antigen retrieval on human skin explant?

Asked by: Ellie
Thank you for your question. Heat treatment (recommended method): Place slides in a container and cover with 10 mM sodium citrate buffer, pH 6.0.
Answered by: BlakeJ
Date published: 2024-05-24

你好,我想请问该抗体是否能应用于小鼠的脑海马组织的ki-67?若有,是否有文献或者出版物支撑?

Asked by: Anna
感谢您的提问。Ki67 Antibody (Ki-67): sc-23900 推荐检测人来源的样本,小鼠样本没有经过验证。 Thank you for your question. Ki67 Antibody (Ki-67): sc-23900 is recommended for human origin samples, we didn't test it on mouse origin samples.
Answered by: Technical Service SH
Date published: 2024-04-28

Hi there, I found the antibody has been conjugated with Alex 488 but if I would like to use 594 for the secondary antibody conjugation, may I still do that? Thank you!

Asked by: Qingqing
Since you already have a primary conjugated with Alexa Fluor 488. It will not be compatible with an Alexa Fluor 594 secondary or any secondary.
Answered by: Technical Service
Date published: 2024-06-19

Hi, I would like to know if this antibody is working on Rabbit tissue.

Asked by: yzmonica
Thank you for your question. We do not recommend the antibody for rabbit. There is a 43% homology and we only warranty a species if the homology is 95% or higher.
Answered by: BlakeJ
Date published: 2023-08-02

I noticed different concentration of BP in HRP conjugation. What is the difference between having antibody with 10ug BP versus 20ug BP?

Asked by: Subash
Thank you for your question. It would be helpful if you could call 800-457-3801, allowing for a more interactive discussion of this and other related questions.
Answered by: Technical Service
Date published: 2022-06-27
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Rated 5 out of 5 by from FCMにも使用可FCMでもきれいに染色ができました。ノックアウト株と親株ではっきりとシグナルが分かれることを確認できました。
Date published: 2025-04-14
Rated 5 out of 5 by from Good antibody for immunocyto and immunohistoThe antibody specificity was high, and I am able to detect it in immunocyto and immunohistochemistry staining of human GBM cells.
Date published: 2024-09-03
Rated 5 out of 5 by from 抗体灵敏度高,好用这个抗体用了半年了,做WB,IHC首选就是这个,其他抗体做不出来这么明显的效果,但是这个抗体就可以。
Date published: 2024-08-19
Rated 1 out of 5 by from Non-specific bindingPurchase a month ago. Tried PFA fix, methanol fix, and acetone fix on HeLa cells at 1:300 dilution for IF on HeLa cells. Shows cytoplasm staining.
Date published: 2024-08-01
Rated 5 out of 5 by from 使用效果很好我们使用它进行了培养视网膜血管内皮细胞的免疫荧光实验,实验效果很好,荧光信号很强,没有什么背景信号。
Date published: 2024-01-16
Rated 2 out of 5 by from Baja señalFue necesario pretratar la membrana con un amplificador de señal aun cuando se utilizó una cantidad elevada de proteína.
Date published: 2024-01-12
Rated 5 out of 5 by from 功能很出色我一个月前购买了此产品,并为此高兴,很好用,十分好用,我一个月前购买了此产品,并为此高兴,很好用,十分好用。
Date published: 2022-11-24
Rated 5 out of 5 by from Highly accurateThe antibody worked well and served the purpose of the experiment
Date published: 2022-10-17
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Ki67 Antibody (Ki-67) is rated 4.3 out of 5 by 52.
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