Product Pathways - Cell Cycle / Checkpoint
Cyclin D1 (92G2) Rabbit mAb #2978
|W IHC-P F||H M R||Endogenous||36||Rabbit IgG|
Reactivity Key: H=Human M=Mouse R=Rat
Species cross-reactivity is determined by western blot. Species enclosed in parentheses are predicted to react based on 100% sequence homology.
Specificity / Sensitivity
Cyclin D1 (92G2) Rabbit mAb detects endogenous levels of total cyclin D1 protein.
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to the carboxy-terminus of human cyclin D1.
Western blot analysis of extracts from MCF7, L929 and C6 cells, using Cyclin D1 (92G2) Rabbit mAb.
Immunohistochemical analysis of paraffin-embedded human colon carcinoma, using Cyclin D1 (92G2) Rabbit mAb.
Immunohistochemical analysis of paraffin-embedded Apc (min/+) mouse intestine using Cyclin D1 (92G2) Rabbit mAb.
Immunohistochemical analysis of paraffin-embedded human breast carcinoma, using Cyclin D1 (92G2) Rabbit mAb in the presence of control peptide (left) or Cyclin D1 Blocking Peptide #1044 (right).
Immunohistochemical analysis of paraffin-embedded H1975 xenograft, using Cyclin D1 (92G2) Rabbit mAb.
Flow cytometric analysis of untreated HT29 cells, using Cyclin D1 (92G2) Rabbit mAb (blue) compared to a nonspecific negative control antibody (red).
Activity of the cyclin-dependent kinases CDK4 and CDK6 is regulated by T-loop phosphorylation, by the abundance of their cyclin partners (the D-type cyclins), and by association with CDK inhibitors of the Cip/Kip or INK family of proteins (1). The inactive ternary complex of cyclin D/CDK4 and p27 Kip1 requires extracellular mitogenic stimuli for the release and degradation of p27 concomitant with a rise in cyclin D levels to affect progression through the restriction point and Rb-dependent entry into S-phase (2). The active complex of cyclin D/CDK4 targets the retinoblastoma protein for phosphorylation, allowing the release of E2F transcription factors that activate G1/S-phase gene expression (3). Levels of cyclin D protein drop upon withdrawal of growth factors through downregulation of protein expression and phosphorylation-dependent degradation (4).
- Hirai, H. et al. (1995) Mol. Cell. Biol. 15, 2672-2681.
- Sherr, C.J. (1996) Science 274, 1672-1677.
- Lukas, J. et al. (1996) Mol. Cell. Biol. 16, 6917-6925.
- Diehl, J.A. et al. (1997) Genes Dev. 11, 957-972.
- Wang, J. et al. (2009) J Histochem Cytochem 57, 363-71. Applications: IHC-P (paraffin)
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Rabbit Monoclonals Produced Using Epitomics® Technology, U.S. Patent No. 5,675,063.
For Research Use Only. Not For Use In Diagnostic Procedures.