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DNA & RNA Methyl & Alkyl Transferases / Related Products
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ALX-480-096 Revised 18-Aug-08
5-Aza-2'-deoxycytidine
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SYNONYMS 5-Aza-CdR
5-Aza-dC
5-Deoxy-2'-azacytidine
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Nucleobases
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ALX-480-096-M005   5 mg 240.00 USD Add To Cart
Product Specification
FORMULA: C8H12N4O4
MW: 228.2
CAS NUMBER: 2353-33-5
RTECS: XZ3012000
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: 25mg/ml soluble in DMSO or 50% acetic acid; 1mg/ml soluble in methanol. (Warming may be required to achieve complete solubilization.)
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Packaged under inert gas. After reconstitution, prepare aliquots and store at -20°C.
HAZARD: HARMFUL.

Product Description
Inhibitor of DNA methyltransferase. Restores mRNA and protein expression of caspase-8 and TRAIL (tumor necrosis factor-related apoptosis inducing ligand) sensitivity of resistant cell lines. Enhances apoptosis induced by HDAC (histone deacetylase) inhibitors.
Product Specific Literature References
Incorporation of a potent antileukemic agent, 5-aza-2'-deoxycytidine, into DNA of cells from leukemic mice: J. Vesely and A. Cihak; Cancer Res. 37, 3684 (1977) Abstract
Cellular differentiation, cytidine analogs and DNA methylation: P.A. Jones and S.M. Taylor; Cell 20, 85 (1980) Abstract
The effects of 5-azacytidine and 5-azadeoxycytidine on chromosome structure and function: implications for methylation-associated cellular processes: T. Haaf; Pharmacol. Ther. 65, 19 (1995) Abstract
Loss of caspase-8 expression in highly malignant human neuroblastoma cells correlates with resistance to tumor necrosis factor-related apoptosis-inducing ligand-induced apoptosis: S. Hopkins-Donaldson, et al.; Cancer Res. 60, 4315 (2000) Abstract; Full Text
Resistance to tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)-induced apoptosis in neuroblastoma cells correlates with a loss of caspase-8 expression: A. Eggert, et al.; Cancer Res. 61, 1314 (2001) Abstract; Full Text
5-Aza-2'-deoxycytidine induces histone hyperacetylation of mouse centromeric heterochromatin by a mechanism independent of DNA demethylation: S. Takebayashi, et al.; BBRC 288, 921 (2001) Abstract
DNA methyltransferase inhibition enhances apoptosis induced by histone deacetylase inhibitors: W.G. Zhu, et al.; Cancer Res. 61, 1327 (2001) Abstract; Full Text
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DNA & RNA Methyl & Alkyl Transferases / Related Products
 
 
ALX-480-019 Revised 17-Nov-08
O6-Benzylguanine
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PRODUCT LINE DNA Regulation / Transcription
PRODUCT CATEGORY DNA & RNA Methyl & Alkyl Transferases / Related Products
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ALX-480-019-M010   10 mg 30.00 USD Add To Cart
ALX-480-019-M050   50 mg 95.00 USD Add To Cart
Product Specification
FORMULA: C12H11N5O
MW: 241.2
CAS NUMBER: 19916-73-5
PURITY: ≥99%
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in methanol (20mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C
HAZARD: IRRITANT.
IDENTITY: Identity determined by 1H-NMR.

Product Description
Effective substrate and efficient inactivator of DNA alkyltransferase.
Product Specific Literature References
Activation of human O6-alkylguanine-DNA alkyltransferase by DNA: K. Goodtzova, et al.; Biochemistry 33, 8385 (1994) Abstract
Differential inactivation of mammalian and Escherichia coli O6-alkylguanine-DNA alkyltransferases by O6-benzylguanine: R.H. Elder, et al.; Biochem. J. 298, 231 (1994) Abstract
O6-benzylguanine and its role in chemotherapy: M.E. Dolan & A.E. Pegg; Cancer Res. 3, 837 (1997) Abstract
Prolonged inhibition of O(6)-methylguanine DNA methyltransferase in human tumor cells by O(6)-benzylguanine in vitro and in vivo: E.L. Kreklau, et al.; Pharmacol. Exp. Ther. 291, 1269 (1999) Abstract
 
 
ALX-380-242 Revised 03-Apr-08
Chaetocin (high purity)
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
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ALX-380-242-M001   1 mg 330.00 USD Add To Cart
Product Specification
FORMULA: C30H28N6O6S4
MW: 696.9
CAS NUMBER: 28097-03-2
RTECS: FM3032000
SOURCE/HOST: Isolated from Chaetomium sp. MST-FP2085.
PURITY: ≥99% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO, dimethyl formamide, methanol or 100% ethanol; poorly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: HARMFUL.

Product Description
Antitumor antibiotic. Specific inhibitor of the lysine-specific methyltransferase SU(VAR)3-9 both in vitro and in vivo.
Product Specific Literature References
Isolation and configuration of Chaetocin: D. Hauser, et al.; Helv. Chim. Acta. 53, 1061 (1970)
Identification of a specific inhibitor of the histone methyltransferase SU(VAR)3-9: D. Greiner, et al.; Nat. Chem. Biol. 1, 143 (2005) Abstract
Chaetocin: a promising new antimyeloma agent with in vitro and in vivo activity mediated via imposition of oxidative stress: C.R. Isham, et al.; Blood 109, 2579 (2007) Abstract
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DNA & RNA Methyl & Alkyl Transferases / Related Products
 
 
ALX-550-516 Revised 21-May-08
Compound A
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SYNONYMS CpdA
2-((4-Acetophenyl)-2-chloro-N-methyl)ethylammonium chloride
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Anti-inflammatory Agents
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ALX-550-516-M005   5 mg 40.00 USD Add To Cart
ALX-550-516-M025   25 mg 120.00 USD Add To Cart
Product Specification
FORMULA: C11H14ClNO2 . HCl
MW: 227.7 . 36.5
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO, 100% ethanol or water.
SHIPPING: SHIPPED ON DRY ICE
LONG TERM STORAGE: -80°C
USE/STABILITY: Stock solutions in ethanol are stable for up to 1 month when stored at -80°C.
HANDLING: Protect from moisture. After reconstitution, prepare aliquots and store at -80°C.

Product Description
Cell permeable, nonsteroidal glucocorticoid receptor modulator with high binding affinity. Exerts anti-inflammatory potential by down-modulating TNF-induced pro-inflammatory gene expression, such as IL-6 and E-selectin. Unlike dexamethasone (Prod. No. ALX-370-002) it does not enhance glucocorticoid response element (GRE)-driven gene expression or induce glucocorticoid receptor (GR) binding to GRE-dependent genes in vivo.
Product Specific Literature References
A fully dissociated compound of plant origin for inflammatory gene repression: K. De Bosscher, et al.; PNAS 102, 15827 (2005) Abstract
A plant-derived ligand favoring monomeric glucocorticoid receptor conformation with impaired transactivation potential attenuates collagen-induced arthritis: P. Dewint, et al.; J. Immunol. 180, 2608 (2008) Abstract
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ALX-370-002 Revised 19-Sep-06
Dexamethasone
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SYNONYMS 9α-Fluoro-16α-methylprednisolone
PRODUCT LINE DNA Regulation / Transcription
PRODUCT CATEGORY Glucocorticoids & Glucocorticoid Receptors / Related Products
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ALX-370-002-M250   250 mg 22.00 USD Add To Cart
ALX-370-002-G001   1 g 45.00 USD Add To Cart
Product Specification
FORMULA: C22H29FO5
MW: 392.5
CAS NUMBER: 50-02-2
MERCK INDEX: 14: 2943
RTECS: TU3980000
PURITY: ≥98%
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO, 100% ethanol or methanol. Slightly soluble in acetone or chloroform. Insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light.
HAZARD: HARMFUL. MAY BE TERATOGENIC.

Product Description
Inhibits constitutive OPG mRNA steady-state levels in a dose- and time-dependent fashion, promoting osteoclast formation. Glucocorticoid with anti-inflammatory activity. Inhibits the induction of nitric oxide synthases (NOS).
Product Specific Literature References
Inhibition of the induction of nitric oxide synthase by glucocorticoids: yet another explanation for their anti-inflammatory effects?: S. Moncada & R.M.J. Palmer; TIPS 12, 130 (1991), (Review) Abstract
Glucocorticoids inhibit the induction of nitric oxide synthase and the related cell damage in adenocarcinoma cells: K.J. O'Connor & S. Moncada; Biochim. Biophys. Acta 1097, 227 (1991) Abstract
Nitric oxide mediates tumor necrosis factor-alpha cytotoxicity in endothelial cells: C. Estrada, et al.; BBRC 186, 475 (1992) Abstract
Dexamethasone inhibits the expression of an inducible nitric oxide synthase in infarcted rabbit myocardium: R.R. Dudek, et al.; BBRC 202, 1120 (1994) Abstract
Induction of the alkyltransferase (MGMT) gene by DNA damaging agents and the glucocorticoid dexamethasone and comparison with the response of base excision repair genes: T. Grombacher, et al.; Carcinogenesis 17, 2329 (1996) Abstract
Activation of human O6-methylguanine-DNA methyltransferase gene by glucocorticoid hormone: T. Biswas, et al.; Oncogene 18, 525 (1999) Abstract
Dexamethasone-induced thymocyte apoptosis: apoptotic signal involves the sequential activation of phosphoinositide-specific phospholipase C, acidic sphingomyelinase, and caspases: M.G. Cifone, et al.; Blood 93, 2282 (1999) Abstract; Full Text
Dexamethasone induces apoptosis in human T cell clones expressing low levels of Bcl-2: M.S. Montani, et al.; Cell Death Differ 6, 79 (1999) Abstract
Dexamethasone inhibits the phosphorylation of retinoblastoma protein in the suppression of human vascular smooth muscle cell proliferation: T.D. Reil, et al.; J. Surg. Res. 92, 108 (2000) Abstract
Dexamethasone suppresses iNOS gene expression by inhibiting NF-kappaB in vascular smooth muscle cells: M. Matsumura, et al.; Life Sci. 69, 1067 (2001) Abstract
Dexamethasone inhibits inducible nitric-oxide synthase expression and nitric oxide production by destabilizing mRNA in lipopolysaccharide-treated macrophages: R. Korhonen, et al.; Mol. Pharmacol. 62, 698 (2002) Abstract; Full Text
Molecular mechanisms underlying dexamethasone inhibition of iNOS expression and activity in C6 glioma cells: J. Shinoda, et al.; Glia 42, 68 (2003) Abstract
Dexamethasone prevents granulocyte-macrophage colony-stimulating factor-induced nuclear factor-kappaB activation, inducible nitric oxide synthase expression and nitric oxide production in a skin dendritic cell line: A.L. Vital, et al.; Mediators Inflamm. 12, 71 (2003) Abstract
Dexamethasone suppresses eNOS and CAT-1 and induces oxidative stress in mouse resistance arterioles: S.C. Schafer, et al.; Am. J. Physiol. Heart Circ. Physiol. 288, H436 (2005) Abstract; Full Text
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ALX-201-065 Revised 18-Sep-08
MGMT (human) (recombinant)
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SYNONYMS O6-Methylguanine-DNA Methyltransferase (human) (recombinant)
PRODUCT LINE DNA Regulation / Transcription
PRODUCT CATEGORY DNA Repair Other Products
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ALX-201-065-R050   50 µl 320.00 USD Add To Cart
Product Specification
EC: 2.1.1.63
SOURCE/HOST: Produced in E. coli. Full length human MGMT is fused at the N-terminus to a GST-tag.
PURITY: Purified with Glutathiose-Sepharose 4B and thrombin cleavage
FORMULATION: Liquid. 5'000U in 50µl buffer containing 50% glycerol, 100µg/ml BSA, 20mM TRIS-HCl, pH 7.8, 5mM dithiothreitol, 60mM KCl and 1mM EDTA.
SPECIFIC ACTIVITY: 100U/µl. One unit is defined as the amount of enzyme that removes 100fmol O6-methylguanine from DNA.
QUALITY CONTROL: The biological activity has been checked in a radioactive standard MGMT assay.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
HANDLING: Do not store at -80°C.
General Information
BACKGROUND/TECHNICAL INFORMATION Swiss-Prot link P16455: MGMT (human)
 
 
ALX-804-369 Revised 13-Nov-08
Monoclonal Antibody to Dnmt1 (60B1220.1)
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SYNONYMS anti-DNA Methyltransferase-1 MAb (60B1220.1)
PRODUCT LINE DNA Regulation / Transcription
PRODUCT CATEGORY DNA & RNA Methyl & Alkyl Transferases / Related Products
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ALX-804-369-C100   100 µg 293.00 USD Add To Cart
Product Specification
SPECIES CROSSREACTIVITY:
Human
Mouse
CLONE: 60B1220.1
ISOTYPE: Mouse IgG1
CONCENTRATION: 0.5mg/ml
PURITY DETAIL: Protein G-affinity purified.
FORMULATION: Liquid. In PBS containing 0.05% BSA and 0.05% sodium azide.
IMMUNOGEN: Synthetic peptide corresponding to aa 637-650 of human Dnmt1 (DNA methyltransferase-1).
SPECIFICITY: Recognizes human, mouse and zebrafish Dnmt1.
APPLICATION: Immunocytochemistry (see [14])
Immunohistochemistry (1-2µg/ml) (paraffin sections (see [17]))
Immunoprecipitation (see [3,7]), Chromatin Immunoprecipitation (see [11]))
Western Blot (2-4µg/ml)
SHIPPING: SHIPPED ON BLUE ICE
SHORT TERM STORAGE: +4°C
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for 6 months when stored at +4°C.
HANDLING: Avoid freeze/thaw cycles.
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Product Specific Literature References
[1] Lsh, a member of the SNF2 family, is required for genome-wide methylation: K. Dennis, et al.; Genes Dev. 15, 2940 (2001) Abstract; Full Text
[2] The nucleolar remodeling complex NoRC mediates heterochromatin formation and silencing of ribosomal gene transcription: R. Santoro, et al.; Nat. Genet. 32, 393 (2002) Abstract
[3] Farnesyltransferase inhibitor (L-744,832) restores TGF-beta type II receptor expression and enhances radiation sensitivity in K-ras mutant pancreatic cancer cell line MIA PaCa-2: R.A. Alcock, et al.; Oncogene 21, 7883 (2002) Abstract
[4] The Epstein-Barr virus oncogene product, latent membrane protein 1, induces the downregulation of E-cadherin gene expression via activation of DNA methyltransferases: C.N. Tsai, et al.; PNAS 99, 10084 (2002) Abstract; Full Text
[5] Age-dependent DNA methylation changes in the ITGAL (CD11a) promoter: Z. Zhang, et al.; Mech. Ageing Dev. 123, 1257 (2002) Abstract
[6] Double RNA interference of DNMT3b and DNMT1 enhances DNA demethylation and gene reactivation: Y.W. Leu, et al.; Cancer Res. 63, 6110 (2003) Abstract
[7] Decrease of DNA methyltransferase 1 expression relative to cell proliferation in transitional cell carcinoma: F. Kimura, et al.; Int. J. Cancer 104, 568 (2003) Abstract
[8] Analysis of mammalian proteins involved in chromatin modification reveals new metaphase centromeric proteins and distinct chromosomal distribution patterns: J.M. Craig, et al.; Hum. Mol. Genet. 12, 3109 (2003) Abstract; Full Text
[9] Components of a pathway maintaining histone modification and heterochromatin protein 1 binding at the pericentric heterochromatin in Mammalian cells: H. Xin, et al.; J. Biol. Chem. 279, 9539 (2004) Abstract; Full Text
[10] Induction of DNA methylation and gene silencing by short interfering RNAs in human cells: H. Kawasaki and K. Taira; Nature 431, 211 (2004) Abstract
[11] Loss of estrogen receptor signaling triggers epigenetic silencing of downstream targets in breast cancer: Y.W. Leu, et al.; Cancer Res. 64, 8184 (2004) Abstract
[12] RNA interference-mediated knockdown of DNA methyltransferase 1 leads to promoter demethylation and gene re-expression in human lung and breast cancer cells: M. Suzuki, et al.; Cancer Res. 64, 3137 (2004) Abstract; Full Text
[13] Deregulation of DNA methyltransferases and loss of parental methylation at the insulin-like growth factor II (Igf2)/H19 loci in p53 knockout mice prior to tumor development: I.Y. Park, et al.; J. Cell Biochem. 94, 585 (2005) Abstract
[14] 5-Aza-deoxycytidine induces selective degradation of DNA methyltransferase 1 by a proteasomal pathway that requires the KEN box, bromo-adjacent homology domain, and nuclear localization signal: K. Ghoshal, et al.; Mol. Cell. Biol. 25, 4727 (2005) Abstract
[15] Establishment and characterization of SRIK-NKL: a novel CD8+ natural killer/T cell line derived from a patient with leukemic phase of acute lymphoblastic lymphoma: B.I. Srivastava and M.D. Srivastava; Leuk. Res. 29, 771 (2005) Abstract
[16] Immunology of cutaneous vasculitis associated with both etanercept and infliximab: M.D. Srivastava, et al.; Scand. J. Immunol. 61, 329 (2005) Abstract
[17] An association of DNMT3b protein expression with P16INK4a promoter hypermethylation in non-smoking female lung cancer with human papillomavirus infection: T.S. Lin, et al.; Cancer Lett. 226, 77 (2005) Abstract
Further Categories Containing This Product:
Monoclonal Antibodies
 
 
ALX-804-370 Revised 14-Feb-08
Monoclonal Antibody to Dnmt3a (mouse) (64B1446)
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SYNONYMS anti-DNA Methyltransferase-3a MAb (mouse) (64B1446)
PRODUCT LINE DNA Regulation / Transcription
PRODUCT CATEGORY DNA & RNA Methyl & Alkyl Transferases / Related Products
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ALX-804-370-C100   100 µg 293.00 USD Add To Cart
Product Specification
SPECIES CROSSREACTIVITY:
Mouse
CLONE: 64B1446
ISOTYPE: Mouse IgG1
CONCENTRATION: 0.5mg/ml
PURITY DETAIL: Protein G-affinity purified.
FORMULATION: Liquid. In PBS containing 0.05% BSA and 0.05% sodium azide.
IMMUNOGEN: Recombinant mouse Dnmt3a (DNA methyltransferase-3a).
SPECIFICITY: Recognizes C-terminal epitope aa 705-908 of mouse Dnmt3a [1]. Weakly cross-reacts with human Dnmt3a.
APPLICATION: Immunocytochemistry (5µg/ml)
Immunohistochemistry (1:400) (see [8])
Immunoprecipitation, Chromatin Immunoprecipitation (see [4])
Western Blot (2µg/ml)
SHIPPING: SHIPPED ON BLUE ICE
SHORT TERM STORAGE: +4°C
LONG TERM STORAGE: -20°C
Product Images
Please click on thumbnails to enlarge.
Product Specific Literature References
[1] Lsh, a member of the SNF2 family, is required for genome-wide methylation: K. Dennis, et al.; Genes Dev. 15, 2940 (2001) Abstract; Full Text
[2] A novel Dnmt3a isoform produced from an alternative promoter localizes to euchromatin and its expression correlates with active de novo methylation: T. Chen, et al.; J. Biol. Chem. 277, 38746 (2002) Abstract
[3] Association of Lsh, a regulator of DNA methylation, with pericentromeric heterochromatin is dependent on intact heterochromatin: Q. Yan, et al.; Mol. Cell. Biol. 23, 8416 (2003) Abstract; Full Text
[4] Loss of estrogen receptor signaling triggers epigenetic silencing of downstream targets in breast cancer: Y.W. Leu, et al.; Cancer Res. 64, 8184 (2004) Abstract
[5] De novo DNA methyltransferases Dnmt3a and Dnmt3b primarily mediate the cytotoxic effect of 5-aza-2’-deoxycytidine: M. Oka, et al.; Oncogene 24, 3091 (2005) Abstract
[6] Myc represses transcription through recruitment of DNA methyltransferase corepressor: C. Brenner, et al.; EMBO 24, 336 (2005) Abstract
[7] Cell and stage of transformation-specific effects of folate deficiency on methionine cycle intermediates and DNA methylation in an in vitro model: J.M. Stempak, et al.; Carcinogenesis 26, 981 (2005) Abstract
[8] Dynamic expression of de novo DNA methyltransferases Dnmt3a and Dnmt3b in the central nervous system: J. Feng, et al.; J. Neurosci. Res. 79, 734 (2005) Abstract
Further Categories Containing This Product:
Monoclonal Antibodies
 
 
ALX-804-233 Revised 31-May-07
Monoclonal Antibody to Dnmt3b (52A1018)
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SYNONYMS anti-DNA Methyltransferase-3b MAb (52A1018)
PRODUCT LINE DNA Regulation / Transcription
PRODUCT CATEGORY DNA & RNA Methyl & Alkyl Transferases / Related Products
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ALX-804-233-C100   100 µg 293.00 USD Add To Cart
Product Specification