產(chǎn)品描述: | SGI-1027 (DNA Methyltransferase Inhibitor II) 是一種DNMT抑制劑,作用于DNMT1,DNMT3A和DNMT3B,無細(xì)胞試驗(yàn)中IC50分別為6,8和7.5 μM。SGI?1027 可誘導(dǎo)凋亡 |
靶點(diǎn): |
DNMT1(Cell-free assay):6 μM; DNMT3B(Cell-free assay):7.5 μM; DNMT3A(Cell-free assay):8 μM;Apoptosis;DNAMethyltransferase |
體外研究: |
SGI-1027通過直接抑制DNMTs而抑制DNA甲基化,并導(dǎo)致DNMT1在各種人癌細(xì)胞系中選擇性降解。SGI-1027在大鼠肝癌H4IIE細(xì)胞中表現(xiàn)出很小或沒有毒性作用。SGI-1027 (0-100 μM)在U937人白血病細(xì)胞系中表現(xiàn)出適度的促凋亡作用,而在細(xì)胞周期中沒有相關(guān)變化 |
體內(nèi)研究: |
SGI-1027 (DNA Methyltransferase Inhibitor II) is a DNMT inhibitor . |
細(xì)胞實(shí)驗(yàn): |
Cell lines: 大鼠肝癌 H4IIE 細(xì)胞 Concentrations: ~300 μM Incubation Time: 48小時(shí) Method: 大鼠肝癌H4IIE細(xì)胞用作測(cè)試系統(tǒng)。這些細(xì)胞在DMEM中生長(zhǎng),用胚牛血清(10%)和小牛血清(10%)進(jìn)行增補(bǔ)。將細(xì)胞接種在96孔板,48小時(shí)后,暴露于0到300微摩爾/升濃度的SGI-1027。溶解性通過Nephalometry技術(shù)在給藥后立即測(cè)定,并在24小時(shí)收集細(xì)胞前進(jìn)行測(cè)定。經(jīng)過曝光后,分析細(xì)胞或者它們的上層清液(培養(yǎng)基)在細(xì)胞分化(碘化丙啶),膜滲漏(α-GST),線粒體功能[3-(4,5-二甲基吡啶-2-yl)-2,5-二苯基溴和細(xì)胞內(nèi)ATP],氧化應(yīng)激(細(xì)胞內(nèi) GSH和8-異前列烷),以及細(xì)胞凋亡中的改變。半數(shù)最大毒性濃度(TC50)通過級(jí)量反應(yīng)曲線確定 |
動(dòng)物實(shí)驗(yàn): |
Animal Models: Male Sprague-Dawley rats Dosages: 11.2 mg/kg Administration: i.p. |
參考文獻(xiàn): |
1. Datta J, et al. A new class of quinoline-based DNA hypomethylating agents reactivates tumor suppressor genes by blocking DNA methyltransferase 1 activity and inducing its degradation. Cancer Res. 2009, 69(10), 4277-4285. 2. García-Domínguez P, et al. Synthetic approaches to DNMT inhibitor SGI-1027 and effects on the U937 leukemia cell line. Bioorg Med Chem Lett. 2013, 23(6), 1631-1 3. Hong L, et al. Effect of Naoluoxintong on the NogoA/RhoA/ROCK pathway by down-regulating DNA methylation in MCAO rats. J Ethnopharmacol. 2021 Dec 5;281:114559. |
溶解性: |
soluble in DMSO |
保存條件: |
-20°C |
配置溶液濃度參考: |
|
1mg |
5mg |
10mg |
1 mM |
2.167 ml |
10.834 ml |
21.668 ml |
5 mM |
0.433 ml |
2.167 ml |
4.334 ml |
10 mM |
0.217 ml |
1.083 ml |
2.167 ml |
50 mM |
0.043 ml |
0.217 ml |
0.433 ml |
|
注意: |
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