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Ki-67 (Proliferating Cell Marker) Antibody [MKI67/8743]

In Stock
Catalog Number Formulation Size Price
4288-MSM32-P0
Purified Ab with BSA and Azide at 200ug/ml
20ug
$229.00
4288-MSM32-P1
Purified Ab with BSA and Azide at 200ug/ml
100ug
$519.00
4288-MSM32-P1ABX
Purified Ab WITHOUT BSA and Azide at 1.0mg/ml
100ug
$519.00
Flat Rate Domestic: $60 | Orders outside the US - Contact Us for Order Information | Ships next business day

Applications & Dilutions

Applications Tested Dillution Protocol Note
Immunohistochemistry (IHC)
1-2ug/ml
30 min at RT. Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95°C followed by cooling at RT for 20 minutes

Summary

Ki-67 antigen is a nuclear, non-histone protein that is present in all stages of the cell cycle except G0. This characteristic makes Ki-67 an excellent marker for proliferating cells and is commonly used as one of the prognostic factors in cancer studies. A correlation has been demonstrated between Ki-67 index and the histo-pathological grade of neoplasms. Assessment of Ki-67 expression in renal and ureter tumors shows a correlation between tumor proliferation and disease progression, thus making it possible to differentiate high-risk patients. Ki-67 expression may also prove to be important for distinguishing between malignant and benign peripheral nerve sheath tumors. Ki-67 labeling index has been shown to be a prognostic marker in a number of neoplasms including grade II astrocytoma, oligodendroglioma, colon carcinoma, and breast carcinoma. In general, Ki-67 is a good marker of proliferating cell populations. �

Product Properties & Targets

Antibody Type
Host
Mouse
Applications
Species Reactivity
Research Areas
Isotype / Light Chain
IgG /
Cellular Localization
Nucleus.
Gene Name
Positive Control
Any actively proliferating cells. Human skin, tonsil or lymph node.
Immunogen
Recombinant human Ki67 protein fragment (around aa 1-200) (exact sequence is proprietary)
Alternate Names
Proliferation marker protein Ki-67, Antigen identified by monoclonal antibody Ki-67, KI-67; Ki67; KI-67 Antigen (KIA); MKI67; Proliferation related Ki-67 antigen

Database Links

Entrez Gene ID
SwissProt

Additional Information

Clone
MKI67/8743
Chromosome Location
10q26.2
Mol. Weight of Antigen
345kDa and 395kDa

Functions

  • Required to maintain individual mitotic chromosomes dispersed in the cytoplasm following nuclear envelope disassembly (PubMed:27362226). Associates with the surface of the mitotic chromosome, the perichromosomal layer, and covers a substantial fraction of the chromosome surface (PubMed:27362226). Prevents chromosomes from collapsing into a single chromatin mass by forming a steric and electrostatic charge barrier: the protein has a high net electrical charge and acts as a surfactant, dispersing chromosomes and enabling independent chromosome motility (PubMed:27362226). Binds DNA, with a preference for supercoiled DNA and AT-rich DNA (PubMed:10878551). Does not contribute to the internal structure of mitotic chromosomes (By similarity). May play a role in chromatin organization (PubMed:24867636). It is however unclear whether it plays a direct role in chromatin organization or whether it is an indirect consequence of its function in maintaining mitotic chromosomes dispersed (Probable).

Key References

  • Gerdes J,et al.1984.J. Immunol.133:1710.

PubMed Links

Storage & Stability

Antibody with azide - store at 2 to 8°C. Antibody without azide - store at -20 to -80°C.Antibody is stable for 24 months. Non-hazardous. No MSDS required.

Limitations

This antibody is available for research use only and is not approved for use in diagnosis.

Supplied as

200ug/ml of Ab purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.

Warranty

There are no warranties, expressed or implied, which extend beyond this description. Company is not liable for any personal injury or economic loss resulting from this product.

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