产品名称
(–)-Epigallocatechin Gallate, One of the main polyphenolic constituents of green tea that exhibits potent antitumor, anti-inflammatory, and antioxidant properties.
SMILES string
O1[C@@H]([C@@H](Cc4c1cc(cc4O)O)OC(=O)c3cc(c(c(c3)O)O)O)c2cc(c(c(c2)O)O)O
InChI
1S/C22H18O11/c23-10-5-12(24)11-7-18(33-22(31)9-3-15(27)20(30)16(28)4-9)21(32-17(11)6-10)8-1-13(25)19(29)14(26)2-8/h1-6,18,21,23-30H,7H2/t18-,21-/m1/s1
InChI key
WMBWREPUVVBILR-WIYYLYMNSA-N
description
Merck USA index - 14, 3526
assay
≥95% (HPLC)
form
solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
protect from light
color
faint pink
solubility
water: 5 mg/mL
DMSO: soluble
shipped in
ambient
storage temp.
−20°C
Quality Level
Biochem/physiol Actions
Cell permeable: no
Primary Target
PMA-induced skin thickening
PMA-induced skin thickening
Product does not compete with ATP.
Reversible: no
Target IC50: 210-470 nM against Dnmt1; 30, 50, 60 and 70 µM for p300, CBP, PCAF and TIP60
Disclaimer
Toxicity: Irritant (B)
General description
One of the main polyphenolic constituents of green tea that exhibits potent antitumor, anti-inflammatory, and antioxidant properties. Arrests cell cycling at G0/G1 phase and induces apoptosis in a dose-dependent manner. Shown to inhibit PMA-induced skin thickening and to activate of protein kinase C. Also activates ornithine decarboxylase and interleukin-1α mRNA and protein expression. Acts as an inhibitor of inducible nitric oxide synthase (iNOS) gene expression and enzyme activity. Also blocks peroxynitrite-mediated formation of 8-oxodeoxyguanosine and 3-nitrotyrosine. Strongly and directly inhibits telomerase in cell-free systems and in cancer cell lines. An inhibitor of Dnmt1 (IC50 = 210-470 nM). Acts as a selective and noncompetitive inhibitor of HAT activities (IC50 = 30, 50, 60 and 70 µM for p300, CBP, PCAF and TIP60) with minimal effects on HDAC, SIRT and HMTase.
Other Notes
Choi, K.C., et al. 2009. Cancer Res.69, 583.
Dell′Aicia, I., et al. 2004. EMBO reports 5, 1.
Tachibana, H., et al. 2004. Nat. Struct. Mol. Biol.11, 380.
Naasami, I., et al. 1998. Biochem. Biophys. Res. Commun. 249, 391.
Ahmad, N., et al. 1997. J. Natl. Cancer89, 1881.
Chan, M.M.-Y., et al. 1997. Biochem. Pharmacol. 54, 1281.
Lin, Y.-L., and Lin, J.-K. 1997. Mol. Pharmacol. 52, 465.
Fiala, E.S., et al. 1996. Experientia 52, 922.
Katiyar, S.K., et al. 1995. J. Invest. Dermatol. 105, 394.
Liao, S., et al. 1995. Cancer Lett. 96, 239.
Yamane, T., et al. 1995. Cancer Res. 55, 2081.
Huang, M.T., et al. 1992. Carcinogenesis 13, 947.
Dell′Aicia, I., et al. 2004. EMBO reports 5, 1.
Tachibana, H., et al. 2004. Nat. Struct. Mol. Biol.11, 380.
Naasami, I., et al. 1998. Biochem. Biophys. Res. Commun. 249, 391.
Ahmad, N., et al. 1997. J. Natl. Cancer89, 1881.
Chan, M.M.-Y., et al. 1997. Biochem. Pharmacol. 54, 1281.
Lin, Y.-L., and Lin, J.-K. 1997. Mol. Pharmacol. 52, 465.
Fiala, E.S., et al. 1996. Experientia 52, 922.
Katiyar, S.K., et al. 1995. J. Invest. Dermatol. 105, 394.
Liao, S., et al. 1995. Cancer Lett. 96, 239.
Yamane, T., et al. 1995. Cancer Res. 55, 2081.
Huang, M.T., et al. 1992. Carcinogenesis 13, 947.
Packaging
Packaged under inert gas
Preparation Note
Following reconstitution, aliquot and freeze at -20°C. DMSO stock solutions are stable for up to 3 months at -20°C.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Sens. 1
存储类别
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
Christiana Kontaxi et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 43(11), 2002-2020 (2023-02-10)
Cyclin-dependent kinase-like 5 (CDKL5) deficiency disorder (CDD) is a severe early-onset epileptic encephalopathy resulting mainly from de novo mutations in the X-linked CDKL5 gene. To determine whether loss of presynaptic CDKL5 function contributes to CDD, we examined synaptic vesicle (SV)
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