MAB4190
Anti-Ki-67 Antibody, clone Ki-S5
clone Ki-S5, Chemicon®, from mouse
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About This Item
UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41
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biological source
mouse
Quality Level
antibody form
purified immunoglobulin
antibody product type
primary antibodies
clone
Ki-S5, monoclonal
species reactivity
human
packaging
antibody small pack of 25 μg
manufacturer/tradename
Chemicon®
technique(s)
flow cytometry: suitable
immunocytochemistry: suitable
immunohistochemistry (formalin-fixed, paraffin-embedded sections): suitable
western blot: suitable
isotype
IgG1
NCBI accession no.
UniProt accession no.
shipped in
ambient
storage temp.
2-8°C
target post-translational modification
unmodified
Gene Information
human ... MKI67(4288)
Related Categories
General description
Ki67 antigen is the prototypic cell cycle related nuclear protein, expressed by proliferating cells in all phases of the active cell cycle (G1, S, G2 and M phase). It is absent in resting (G0) cells. Ki67 antibodies are useful in establishing the cell growing fraction in neoplasms (immunohistochemically quantified by determining the number of Ki67 positive cells among the total number of resting cells = Ki67 index). In neoplastic tissues the prognostic value is comparable to the tritiated thymidine labelling index. The correlation between low Ki67 index and histologically low grade tumours is strong. Ki67 is routinely used as a marker of cell cycling and proliferation. This specificity of Ki-S5 antibody for proliferating cells might make it a useful tool for determination of the proliferative fraction in tumors such as Non-Hodgkin′s lymphoma (Kreipe et al., 1993), mammary carcinomas (Mauri et al., 1984), ovarian tumors (Ballin et al., 1994) and prostate cancer.
Specificity
In Immunoprecipitation and Western blot experiments the Ki-S5 antibody recognizes a cell-cycle-associated protein of 345 kD and 395 kD (Kreipe et al., 1993) identical with the Ki-67 antigen. The antibody binds to a formalin-resistant epitope of the Ki-67 antigen. The immunoreactivity of Ki-S5 is confined to the nuclei of proliferating cells and no crossreactivity with cytoplasmic antigens of epithelial occurs even after antigen retrieval (Mauri et al., 1984). A comparison of immunohistochemical labeling of fresh and fixed tissue samples of NHL showed that identical results were obtained with Ki-67 and Ki-S5 (Kreipe et al., 1993). The Ki-67 antigen is preferentially expressed during late G1, S, G2 and M phase of the cell cycle, while resting, non-cycling cells (G0 phase) lack the Ki-67 antigen. In addition, constantly proliferating cells (e.g. cell lines) react positively to Ki-S5 during the entire cell-cycle. This specificity of Ki-S5 antibody for proliferating cells might make it a useful tool for determination of the proliferative fraction in tumors such as Non-Hodgkin′s lymphoma (Kreipe et al., 1993), mammary carcinomas (Mauri et al., 1984), ovarian tumors (Ballin et al., 1994) and prostate cancer.
Immunogen
Nuclear protein preparation from the human cell line U937.50.
Application
Anti-Ki-67 Antibody, clone Ki-S5 is a high quality Mouse Monoclonal Antibody for the detection of Ki-67 & has been validated in FC, ICC, IHC, IHC(P) & WB.
Immunocytochemistry:
A 5-10 μg/mL concentration of a previous lot was used in IC.
Immunohistochemistry:
A 5-10 μg/mL concentration of a previous lot was used in IH.
Immunohistochemistry:
5-10 µg/mL on formalin fixed paraffin tissue. Citrate buffer-microwave antigen retrieval
Flow Cytometry:
A previous lot of this antibody was used in FC.
Western blot:
1-10 µg/mL
Optimal working dilutions must be determined by end user.
A 5-10 μg/mL concentration of a previous lot was used in IC.
Immunohistochemistry:
A 5-10 μg/mL concentration of a previous lot was used in IH.
Immunohistochemistry:
5-10 µg/mL on formalin fixed paraffin tissue. Citrate buffer-microwave antigen retrieval
Flow Cytometry:
A previous lot of this antibody was used in FC.
Western blot:
1-10 µg/mL
Optimal working dilutions must be determined by end user.
Research Category
Epigenetics & Nuclear Function
Epigenetics & Nuclear Function
Research Sub Category
Cell Cycle, DNA Replication & Repair
Cell Cycle, DNA Replication & Repair
Quality
Evaluated by Western Blot on A431 lysates.
Western Blot Analysis:
1:500 dilution of this antibody detected cell-cycle-associated protein of 345 kDa and 395 kDa on 10 μg of A431 lysates.
Western Blot Analysis:
1:500 dilution of this antibody detected cell-cycle-associated protein of 345 kDa and 395 kDa on 10 μg of A431 lysates.
Target description
345 & 395 kDa
Physical form
Format: Purified
Mouse monoclonal IgG1 in buffer containing 0.02 M Phosphate buffer, 0.25 M NaCl, pH 7.6 with 0.1% sodium azide.
Protein A purified
Storage and Stability
Stable for 1 year at 2-8ºC from date of receipt.
Analysis Note
Control
Tonsil tissue, A431 cell lysate
Tonsil tissue, A431 cell lysate
Other Notes
Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.
Legal Information
CHEMICON is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
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Description
Pricing
Storage Class Code
10 - Combustible liquids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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