Ki-67 Rabbit anti-Human, Polyclonal, Invitrogen™
Rabbit Polyclonal Antibody
Manufacturer: Invitrogen PA138032
This antibody is predicted to react with bovine based on sequence homology. Heat-mediated antigen retrieval is recommended prior to staining, using a 10mM citrate buffer, pH 6.0, for 10 minutes followed by cooling at room temperature for 20 min. Following antigen retrieval, incubate samples with primary antibody for 10 min at room temperature. A suggested positive control is tonsil, lymph node or breast carcinoma.Ki-67 is a nuclear protein that is expressed during various stages in the cell cycle, particularly during late G1, S, G2, and M phases. The protein has a forkhead associated domain (FHA) through which it associates with euchromatin at the perichromosomal layer, the centromeric heterochromatin, and the nucleolus. Ki-67 is shown to have a cell cycle dependent topographical distribution with perinucleolar expression at G1, expression in the nuclear matrix at G2, and expression on the chromosomes during M phase. Ki-67 is commonly used as a proliferation marker because it is not detected in G0 cells, but increases steadily from G1 through mitosis. Ki-67 antibodies are useful in establishing the cell growing fraction in neoplasms. In neoplastic tissues, the prognostic value is comparable to the tritiated thymidine-labelling index. The correlation between low Ki-67 index and histologically low-grade tumors is strong. Ki-67 is routinely used as a neuronal marker of cell cycling and proliferation.
|Synthetic peptide derived from C-terminus of human Ki-67 protein|
|Antigen affinity chromatography|
|Immunocytochemistry, Immunofluorescence, Immunohistochemistry (Paraffin)|
|TBS with 1% BSA and 0.1% sodium azide|
|Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.|
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