Product Pathways - Lymphocyte Signaling
BCL6 Antibody #4242
|W||H M (R)||Endogenous||87 to 98||Rabbit|
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
The BCL6 Antibody detects endogenous levels of BCL6.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy-terminal sequence of human BCL6. Antibodies are purified by protein A and peptide affinity chromatography.
Chromosomal translocations result in misregulation of the proto-oncogene BCL6 in patients with B cell-derived non-Hodgkins lymphoma (1). The BCL6 gene is selectively expressed in mature B cells and encodes a nuclear phosphoprotein that belongs to the BTB/POZ zinc finger family of transcription factors (2,3). BCL6 protein can bind to target DNA sequences of Stat6 and, analogous to Stat6, modulate the expression of interleukin-4-induced genes (4). Furthermore, BCL6 restrains p53-dependent senescence, making BCL6-active tumors functionally p53-negative (5). The mitogen-activated protein kinases, Erk1 and Erk2, but not JNK, phosphorylate BCL6 at multiple sites. Phosphorylation of BCL6 at Ser333 and Ser343 results in degradation of BCL6 by the ubiquitin/proteasome pathway in B cells (6,7). In addition, BCL6 is acetylated and its transcriptional repressor function is inhibited by the transcriptional co-activator p300 (8).
- Ye, B. H. et al. (1993) Science 262, 747-750.
- Onizuka, T. et al. (1995) Blood 86, 28-37.
- Zollman, S. et al. (1994) Proc. Natl. Acad. Sci. USA 91, 10717-10721.
- Harris, M. B. et al. (1999) Mol. Cell. Biol. 19, 7264-7275.
- Shvarts, A. et al. (2002) Genes Dev. 16, 681-686.
- Moriyama, M. et al. (1997) Oncogene 14, 2465-2474.
- Niu, H. et al. (1998) Genes Dev. 12, 1953-1961.
- Bereshchenko, O. R. et al. (2002) Nat. Genet. 32, 606-613.
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For Research Use Only. Not For Use In Diagnostic Procedures.