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PBIT
本产品不向个人销售,仅用作科学研究,不用于任何人体实验及非科研性质的动物实验。
PBIT图片
CAS NO:2514-30-9
包装与价格:
包装价格(元)
1mg电议
5mg电议
10mg电议
25mg电议

产品介绍
PBIT 是 Jumonji AT-rich Interactive Domain 1 (JARID1) 酶的特异性抑制剂。 PBIT 抑制 JARID1B(KDM5B 或 PLU1)组蛋白去甲基化酶,IC50 约为 3 μM。 PBIT 还抑制 JARID1A 和 JARID1C,IC50 分别为 6 μM 和 4.9 μM。
Cas No.2514-30-9
别名2-p-tolyl-1,2-Benzisothiazolin-3-one
化学名2-(4-methylphenyl)-1,2-benzisothiazol-3(2H)-one
Canonical SMILESO=C1C2=CC=CC=C2SN1C3=CC=C(C)C=C3
分子式C14H11NOS
分子量241.3
溶解度≤1mg/ml in ethanol;10mg/ml in DMSO;10mg/ml in dimethyl formamide
储存条件Store at -20℃
General tipsFor obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping ConditionEvaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request
产品描述

IC50: 6, 3, 4.9, and 28 μM for JARID1A, JARID1B, JARID1C, and JARID1D, respectively

PBIT is a JARID1 family demethylases inhibitor.

JARID1B (also known as KDM5B or PLU1), a member of the JARID1 family of histone lysine demethylases, is identified for the demethylation of trimethylated lysine 27 in histone H3 that is a mark for actively transcribed genes. JARID1B is overexpressed in several cancers, such as prostate cancer, breast cancer, and lung cancer. Additionally, JARID1B is reported for mammary tumor formation in syngeneic or xenograft mouse models and JARID1B-expressing melanoma cells are related with increased self-renewal character.

In vitro: In previous study, PBIT was identified as JmjC histone demethylase inhibitor, which inhibited JARID1B with an in vitro IC50 of about 3 μM. Consistent with its inhibitory effect on JARID1B, PBIT treatment was able to inhibit the removal of H3K4me3 by JARID1B in cells. In addition, PBIT could inhibit the proliferation of cells expressing higher levels of JARID1B. These results suggested that PBIT could be regarded as a lead compound that could be further optimized for cancer therapy [1].

In vivo: Currently, there is no animal in vivo data reported.

Clinical trial: So far, no clinical study has been conducted.

Reference:
[1] J.  Sayegh, J. Cao, M. R. Zou, et al. Identification of small molecule inhibitors of Jumonji AT-rich interactive domain 1B (JARID1B) histone demethylase by a sensitive high throughput screen. The Journal of Biological Chemisty 288(13), 9408-9417 (2013).