Western Blot: cleaved Retinoblastoma 1 Antibody (172C1094) [NB100-56598] - Analysis in HL60 cells were treated with camptothecin for 24 hours.
Immunohistochemistry: cleaved Retinoblastoma 1 Antibody (172C1094) [NB100-56598] - Analysis in sections of primary human breast tumors. Image courtesy of Dr. Macleod, The Ben May Institute for Cancer Research, and The ...read more
A synthetic peptide corresponding to a region of the caspase-3-induced cleavage site of human Rb was used as immunogen.
The antibody recognizes cleaved Rb (DRb-p70). The antibody does not recognize full-length Rb. In camptothecin treated HL60, an ~68 kDa band is observed. DRb-p70 exists in vivo as an N-terminally truncated form of Rb (Liu et al.). DRb-p70 is thought to be the product of alternative translation and is expressed in primary myeloid cells in fetal liver, bone marrow and spleen. DRb-p70 is also specifically expressed in tumor-associated macrophages (TAMs). TAMs are an important targets of cancer therapy. DRb-p70 is a marker of TAMs, and maybe useful for identifying tumors with macrophage infiltration (Liu et al, 2005).
Protein G purified
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Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
PBS containing 0.05% BSA
0.05% Sodium Azide
Protein G purified
Alternate Names for cleaved Retinoblastoma 1 Antibody (172C1094)
retinoblastoma suspectibility protein
The retinoblastoma gene product (Rb) is a tumor suppressor protein and acts as cell cycle regulator. Recently, Rb has been shown to play a role in apoptosis. During apoptosis, Rb is subjected to cleavage by caspase-3 like protease. Caspase-3 cleaves Rb into 48 and 68kDa fragments. Cleavage of Rb would make it functionally inactive, causing release of E2F-1. The E2F-1 then may promote apoptosis.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
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