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Purified anti-human Ki-67 (Maxpar® Ready) Antibody

Pricing & Availability
Clone
Ki-67 (See other available formats)
Regulatory Status
RUO
Other Names
Antigen Ki-67
Isotype
Mouse IgG1, κ
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Product Citations
publications
Ki-67_Purified_Ki-67_CyTOF_1_112113
Human PBMCs were incubated for 3 days in media alone (left) or with PHA (right). Cells were then fixed, permeabilized, and stained with 168Er-anti-Ki-67 (Ki-67). Data provided by DVS Sciences.
  • Ki-67_Purified_Ki-67_CyTOF_1_112113
    Human PBMCs were incubated for 3 days in media alone (left) or with PHA (right). Cells were then fixed, permeabilized, and stained with 168Er-anti-Ki-67 (Ki-67). Data provided by DVS Sciences.
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350523 100 µg 137€
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Description

Antigen Ki-67 is a nuclear protein expressed as two isoforms with molecular weights of 395 and 345 kD. Both isoforms contain one forkhead-associated domain and 16 concatenated "Ki-67 repeats," each containing the epitope recognized by the mAb Ki-67. The antigen Ki-67 interacts with Hklp2, hNIFK, and chromobox protein homolog 1, 3, and 5. Ki-67 is required for cell proliferation and its expression is restricted to the phases G1, S, G2, and M of the cell cycle. This characteristic makes Ki-67 an excellent marker for proliferating cells and is commonly used as one of the prognostic factors in cancer studies. Ki-67 has also been used to study myocyte proliferation after myocardial infarction as well as lymphocyte proliferation during infection, and has been used in neurons of patients with different neuropathologies.

Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Human
Reported Reactivity
Cow
Antibody Type
Monoclonal
Host Species
Mouse
Immunogen
Nuclei of the Hodgkin lymphoma cell line L428
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and EDTA.
Preparation
The antibody was purified by affinity chromatography.
Concentration
1.0 mg/ml
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C.
Application

ICFC - Quality tested
CyTOF® - Verified
Recommended Usage

This product is suitable for use with the Maxpar® Metal Labeling Kits. For metal labeling using Maxpar® Ready antibodies, proceed directly to the step to Partially Reduce the Antibody by adding 100 µl of Maxpar® Ready antibody to 100 µl of 4 mM TCEP-R in a 50 kDa filter and continue with the protocol. Always refer to the latest version of Maxpar® User Guide when conjugating Maxpar® Ready antibodies.

Application Notes

Additional reported applications (for the relevant formats) include: immunohistochemical staining of frozen tissue sections1, Western blotting3, and immunofluorescence microscopy4.

Ki-67 Staining Protocol:

1. Prepare 70% ethanol and chill at -20°C.
2. Prepare target cells of interest and wash 2X with PBS by centrifuge at 350xg for 5 minutes.
3. Discard supernatant and loosen the cell pellet by vortexing.
4. Add 3 ml cold 70% ethanol drop by drop to the cell pellet while vortexing.
5. Continue vortexing for 30 seconds and then incubate at -20°C for 1 hour.
6. Wash 3X with BioLegend Cell Staining Buffer and then resuspend the cells at the concentration of 0.5-10 x 106/ml.
7. Mix 100 µl cell suspension with proper fluorochrome-conjugated Ki-67 antibody and incubate at room temperature in the dark for 30 minutes.
8. Wash 2X with BioLegend Cell Staining Buffer and then resuspend in 0.5 ml cell staining buffer for flow cytometric analysis.

Additional Product Notes

Maxpar® is a registered trademark of Standard BioTools Inc.

Application References

(PubMed link indicates BioLegend citation)
  1. Gerdes J, et al. 1983. Int. J. Cancer 31:13. (IHC)
  2. Gerdes J, et al. 1984. J. Immunol. 133:1710. (ICFC)
  3. Schluter C, et al. 1993 J. Cell Biol. 123:513. (IHC, WB)
  4. Bading H, et al. 1989 Exp. Cell. Res. 185:50. (IF)
  5. Guha P, et al. 2013. PNAS. 110:5052. PubMed
Product Citations
  1. Gadalla R, et al. 2022. STAR Protoc. 3:101643. PubMed
  2. Roussel M, et al. 2021. Cell Reports Medicine. 2(6):100291. PubMed
  3. Senosain MF, et al. 2021. Sci Rep. 11:14424. PubMed
  4. NULL, et al. 2022. Cell. 185:916. PubMed
  5. Loo Yau H, et al. 2021. Molecular Cell. 81(7):1469-1483.e8. PubMed
RRID
AB_2562838 (BioLegend Cat. No. 350523)

Antigen Details

Structure
Two isoforms with molecular weights of 395 and 345 kD, one forkhead-associated domain, 16 concatenated Ki-67 repeats, located in nucleus
Distribution

Expressed in the phases G1, S, G2, and M of the cell cycle

Function
Required for cell proliferation
Interaction
Chromobox protein homolog 1, 3 and 5, Hklp2, and hNIFK
Biology Area
Cell Biology, Cell Cycle/DNA Replication, DNA Repair/Replication
Molecular Family
Nuclear Markers
Antigen References

1. Byeon IJ, et al. 2005. Nat. Struct. Mol. Biol. 12:987.
2. Yerushalmi R, et al. 2010. Lancet. Oncol. 11:174.
3. Beltrami AP, et al. 2001. N. Engl. J. Med. 344:1750.
4. Sachsenberg N, et al. 1998. J. Exp. Med. 187:1295.
5. Nagy Z, et al. 1997. Acta. Neuropathol. 93:294.

Gene ID
4288 View all products for this Gene ID
Specificity (DOES NOT SHOW ON TDS):
Ki-67
Specificity Alt (DOES NOT SHOW ON TDS):
Ki-67
App Abbreviation (DOES NOT SHOW ON TDS):
ICFC,CyTOF®
UniProt
View information about Ki-67 on UniProt.org

Related FAQs

Can I obtain CyTOF data related to your Maxpar® Ready antibody clones?

We do not test our antibodies by mass cytometry or on a CyTOF machine in-house. The data displayed on our website is provided by Fluidigm®. Please contact Fluidigm® directly for additional data and further details.

http://techsupport.fluidigm.com/

Can I use Maxpar® Ready format clones for flow cytometry staining?

We have not tested the Maxpar® Ready antibodies formulated in solution containing EDTA for flow cytometry staining. While it is likely that this will work in majority of the situations, it is best to use the non-EDTA formulated version of the same clone for flow cytometry testing. The presence of EDTA in some situations might negatively affect staining.

I am having difficulty observing a signal after conjugating a metal tag to your Maxpar® antibody. Please help troubleshoot.

We only supply the antibody and not test that in house. Please contact Fluidigm® directly for troubleshooting advice: http://techsupport.fluidigm.com/

Is there a difference between buffer formulations related to Maxpar® Ready and purified format antibodies?

The Maxpar® Ready format antibody clones are formulated in Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and EDTA. The regular purified format clones are formulated in solution that does not contain any EDTA. Both formulations are however without any extra carrier proteins.

Go To Top Version: 3    Revision Date: 07.22.2022

For Research Use Only. Not for diagnostic or therapeutic use.

 

This product is supplied subject to the terms and conditions, including the limited license, located at www.biolegend.com/terms) ("Terms") and may be used only as provided in the Terms. Without limiting the foregoing, BioLegend products may not be used for any Commercial Purpose as defined in the Terms, resold in any form, used in manufacturing, or reverse engineered, sequenced, or otherwise studied or used to learn its design or composition without express written approval of BioLegend. Regardless of the information given in this document, user is solely responsible for determining any license requirements necessary for user’s intended use and assumes all risk and liability arising from use of the product. BioLegend is not responsible for patent infringement or any other risks or liabilities whatsoever resulting from the use of its products.

 

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Toll-Free Phone: 1-877-Bio-Legend (246-5343) Phone: (858) 768-5800 Fax: (877) 455-9587

This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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