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Human ki67

Manufactured by Agilent Technologies

The Human Ki67 is a laboratory equipment product that measures the expression of the Ki67 protein, which is a cellular marker for proliferation. It provides information about the cell cycle and cell division activity in biological samples.

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3 protocols using human ki67

1

Immunohistochemical Analysis of Brain Tumors

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Mice bearing tumors were perfused with formalin and brains were removed and sectioned. Brain sections were immunostained with antibodies against human Ki67 (DAKO, Carpinteria, CA), cleaved caspase-3 (Cell Signaling Technology) as described earlier [8 (link)]. Photomicrographs of immunohistochemistry and hematoxylin and eosin slides were processed using DP2-BSW Software (Olympus).
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2

Immunohistochemical Analysis of Xenografts

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Xenografts were incubated in 4% paraformaldehyde for 24 h at 4 °C then remained in 70% ethanol until processed for paraffin wax embedding by the in-house histology core facility. Antibodies used were as follows: β-catenin (BD Biosciences 610,154, 1:100); cleaved caspase-3 (Cell Signaling Technology 9664, 1:200); E-cadherin (Daki M3612, 1:25); human Ki67 (Dako M7240, 1:400); Vimentin (Novocastra NCL-L-VIM-572, 1:400); and secondary antibodies from the Bond Polymer Refine Kit.
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3

Immunohistochemical Staining of Paraffin Sections

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Paraffin-embedded tissue sections (4 μm) were deparaffinized in xylene and rehydrated in graded alcohols. Antigen retrieval was performed by incubating tissue sections with TrilogyTM (Cell Marque, Austin, TX, catalog # CMX833). Endogenous peroxidase activity was blocked by incubation with 3% H2O2 for 15 min. Sections were pre-incubated with Dako Antibody Diluent (Dako, Carpinteria, CA) at room temperature for 30 min, followed by incubation with antibody diluted in Dako Antibody Diluent at 4°C overnight. Positive reactions were detected by applying EnVision™+/HRP polymer (Dako) for 30 min, followed by incubation in DAB substrate for 5 min (Liquid DAB+, Dako). The slides were then counterstained with hematoxylin to visualize the cell nuclei. Antibodies used were: human Ki-67 (cat # M7240, Dako), mouse Ki-67 (cat # 12202, Cell Signaling Technology), LAMC1 (cat # HPA001908, Sigma-Aldrich), and phospho-Histone H3 (Ser10) antibody (cat # 9701, Cell Signaling Technology).
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