WB, IF-IC
H M R Mk
Endogenous
68
Rabbit IgG
#O00255
4221
Product Information
Product Usage Information
Application | Dilution |
---|---|
Western Blotting | 1:1000 |
Immunofluorescence (Immunocytochemistry) | 1:50 - 1:200 |
Storage
Specificity / Sensitivity
Species Reactivity:
Human, Mouse, Rat, Monkey
Species predicted to react based on 100% sequence homology
The antigen sequence used to produce this antibody shares
100% sequence homology with the species listed here, but
reactivity has not been tested or confirmed to work by CST.
Use of this product with these species is not covered under
our
Product Performance Guarantee.
Bovine, Pig, Horse
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Val597 of human Menin protein.
Background
Mutations in the MEN1 tumor suppressor gene cause multiple endocrine neoplasia type 1 (MEN1), an autosomal dominant familial tumor syndrome typified by tumors of the pituitary, parathyroid, lung, and enteropancreatic endocrine tissues (1,2). Patients with this tumor syndrome have inherited either missense or truncation mutations in one allele of the MEN1 gene, while the other allele is subject to loss of heterozygosity in tumors from these patients (1,2). Menin, the protein product of the MEN1 gene, is a component of the mixed-lineage leukemia protein (MLL)-containing histone methyltransferase complex that facilitates methylation of histone H3 Lys4 to promote transcriptional activation (3,4). Menin functions to suppress proliferation of pancreatic islet cells, at least in part through MLL-mediated activation of the p18 and p27 cyclin-dependent kinase inhibitor genes (5,6). Loss of Menin leads to a decrease in methylation of histone H3 Lys4 and decreased expression of the p18 and p27 genes, leading to hyperplasia (5,6). In contrast to its role as a tumor suppressor in endocrine cells, Menin has been shown to promote proliferation in leukemia cells driven by MLL-fusion proteins. Menin is essential for oncogenic MLL-fusion-protein-mediated transformation of bone marrow cells and is required for histone H3 Lys4 methylation and expression of the HoxA9 gene (7,8). Menin interacts with a wide range of proteins, including JunD, SMAD family members, estrogen receptor, vitamin D receptor, PEM, NFκB, FANCD2, RPA2, NMMHC II-A, GFAP, vimentin, and HSP70, suggesting additional roles in transcriptional regulation, DNA processing and repair, cytoskeleton organization, and protein degradation (9,10).
- Chandrasekharappa, S.C. et al. (1997) Science 276, 404-7.
- Lemmens, I. et al. (1997) Hum Mol Genet 6, 1177-83.
- Hughes, C.M. et al. (2004) Mol Cell 13, 587-97.
- Yokoyama, A. et al. (2004) Mol Cell Biol 24, 5639-49.
- Karnik, S.K. et al. (2005) Proc Natl Acad Sci USA 102, 14659-64.
- Schnepp, R.W. et al. (2006) Cancer Res 66, 5707-15.
- Yokoyama, A. et al. (2005) Cell 123, 207-18.
- Chen, Y.X. et al. (2006) Proc Natl Acad Sci USA 103, 1018-23.
- Agarwal, S.K. et al. (2005) Horm Metab Res 37, 369-74.
- Wu, X. and Hua, X. (2008) Curr Mol Med 8, 805-15.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Western Blot Buffer
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
WB: Western Blotting IF-IC: Immunofluorescence (Immunocytochemistry)
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
Trademarks and Patents
Limited Uses
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