WB, IP, IF-IC, FC-FP, ChIP
M
Endogenous
105
Rabbit IgG
#O88509
13436
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:50 |
| Immunofluorescence (Immunocytochemistry) | 1:1600 |
| Flow Cytometry (Fixed/Permeabilized) | 1:800 |
| Chromatin IP | 1:50 |
Storage
Specificity / Sensitivity
Species Reactivity:
Mouse
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Leu561 of mouse DNMT3B protein.
Background
Methylation of DNA at cytosine residues in mammalian cells is a heritable, epigenetic modification that is critical for proper regulation of gene expression, genomic imprinting and development (1,2). Three families of mammalian DNA methyltransferases have been identified: DNMT1, DNMT2, and DNMT3 (1,2). DNMT1 is constitutively expressed in proliferating cells and functions as a maintenance methyltransferase, transferring proper methylation patterns to newly synthesized DNA during replication. DNMT3A and DNMT3B are strongly expressed in embryonic stem cells with reduced expression in adult somatic tissues. DNMT3A and DNMT3B function as de novo methyltransferases that methylate previously unmethylated regions of DNA. DNMT2 is expressed at low levels in adult somatic tissues and its inactivation affects neither de novo nor maintenance DNA methylation. DNMT1, DNMT3A, and DNMT3B together form a protein complex that interacts with histone deacetylases (HDAC1, HDAC2, Sin3A), transcriptional repressor proteins (RB, TAZ-1), and heterochromatin proteins (HP1, SUV39H1) to maintain proper levels of DNA methylation and facilitate gene silencing (3-8). Improper DNA methylation contributes to diseased states such as cancer (1,2). Hypermethylation of promoter CpG islands within tumor suppressor genes correlates with gene silencing and the development of cancer. In addition, hypomethylation of bulk genomic DNA correlates with and may contribute to the onset of cancer. DNMT1, DNMT3A, and DNMT3B are overexpressed in many cancers, including acute and chronic myelogenous leukemias, in addition to colon, breast, and stomach carcinomas (9-12).
- Hermann, A. et al. (2004) Cell. Mol. Life Sci. 61, 2571-87.
- Turek-Plewa, J. and Jagodziński, P.P. (2005) Cell. Mol. Biol. Lett. 10, 631-47.
- Kim, G.D. et al. (2002) EMBO J. 21, 4183-95.
- Fuks, F. et al. (2001) EMBO J. 20, 2536-44.
- Geiman, T.M. et al. (2004) Biochem. Biophys. Res. Commun. 318, 544-55.
- Rountree, M.R. et al. (2000) Nat. Genet. 25, 269-77.
- Pradhan, S. and Kim, G.D. (2002) EMBO J. 21, 779-88.
- Fuks, F. et al. (2003) Nucleic Acids Res. 31, 2305-12.
- Mizuno, S. et al. (2001) Blood 97, 1172-9.
- Robertson, K.D. et al. (1999) Nucleic Acids Res. 27, 2291-8.
- Xie, S. et al. (1999) Gene 236, 87-95.
- Kanai, Y. et al. (2001) Int. J. Cancer 91, 205-12.
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 IP: Immunoprecipitation IF-IC: Immunofluorescence (Immunocytochemistry) FC-FP: Flow Cytometry (Fixed/Permeabilized) ChIP: Chromatin IP
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
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