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C646 是一種histone acetyltransferase抑制劑,抑制p300,無細胞試驗中Ki為400 nM,相比于其它乙酰轉(zhuǎn)移酶,優(yōu)先作用于p300。C646 可誘導(dǎo)細胞周期阻滯、細胞凋亡與自噬。
C646 Chemical Structure
CAS: 328968-36-1
相關(guān)靶點 | HAT MYST GNAT p300/CBP | 點擊展開 |
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相關(guān)產(chǎn)品 | Curcumin Anacardic Acid MG149 A-485 WM-1119 YF-2 CPTH2 | 點擊展開 |
相關(guān)化合物庫 | 激酶抑制劑庫 FDA藥物庫 天然產(chǎn)物庫 已知活性藥物庫-I 高選擇性抑制劑庫 | 點擊展開 |
細胞系 | 實驗類型 | 給藥濃度 | 孵育時間 | 活性描述 | 文獻信息 |
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Kasumi-1 | Growth inhibition assay | 10, 25 and 50 μM | 0, 24, 48, 72 h | cellular growth and colony formation were dramatically suppressed upon C646 treatment. | 23390536 |
SKNO-1 | Growth inhibition assay | 10, 25 and 50 μM | 0, 24, 48, 72 h | cellular growth and colony formation were dramatically suppressed upon C646 treatment. | 23390536 |
WM983B | Function assay | 10 μM and 20 μM | 24 h | a dose-dependent decrease in the protein levels of cyclins A and E, accompanied by an increased expression of p53 and its downstream effector p21 | 23698071 |
WM35 | Function assay | 10 μM and 20 μM | 24 h | a dose-dependent decrease in the protein levels of cyclins A and E, accompanied by an increased expression of p53 and its downstream effector p21 | 23698071 |
1205Lu | Function assay | 10 μM and 20 μM | 24 h | a dose-dependent decrease in the protein levels of cyclins A and E, accompanied by an increased expression of p53 and its downstream effector p21 | 23698071 |
Raw246.7 | Function assay | 1, 5, 10, 15, 20, 25, or 30 μM | 16 h | results in significant inhibition of LPS and IFNγ induced NF-κB promoter activity at 15 μM or higher concentrations | 26718586 |
KATO III | Function assay | 10 μM | 6 h | C646 treatment significantly reduced the levels of histone H3 acetylation in both GC cells and normal gastric epithelial cells (P<0.05) | 29075795 |
BGC-823 | Function assay | 10 μM | 6 h | C646 treatment significantly reduced the levels of histone H3 acetylation in both GC cells and normal gastric epithelial cells (P<0.05) | 29075795 |
MGC-803 | Function assay | 10 μM | 6 h | C646 treatment significantly reduced the levels of histone H3 acetylation in both GC cells and normal gastric epithelial cells (P<0.05) | 29075795 |
SGC-7901 | Function assay | 10 μM | 6 h | C646 treatment significantly reduced the levels of histone H3 acetylation in both GC cells and normal gastric epithelial cells (P<0.05) | 29075795 |
MKN45 | Function assay | 10 μM | 6 h | C646 treatment significantly reduced the levels of histone H3 acetylation in both GC cells and normal gastric epithelial cells (P<0.05) | 29075795 |
GES-1 | Function assay | 10 μM | 6 h | C646 treatment significantly reduced the levels of histone H3 acetylation in both GC cells and normal gastric epithelial cells (P<0.05) | 29075795 |
SH-SY5Y | Function assay | 20?μM | 24 h | Co-treatment with 20 μM C646 suppressed the effect of TSA treatment on Alox15 mRNA expression by 65.7% | 29235036 |
NE-4C cells | Function assay | 0-5 μM | high glucose induced increases of H4K5ac and H4K5/8/12/16ac levels in NE-4C cells are inhibited by addition of a selective CBP/p300 inhibitor C646 in a dose-dependent way (from 0 to 5 μM) | 30114346 | |
BL21-CodonPlus(DE3)-RIL | Function assay | 10 mins | Inhibition of FLAG-tagged p300 (1195 to 1673 residues) (unknown origin) expressed in competent Escherichia coli BL21-CodonPlus(DE3)-RIL cells using histone H4 substrate incubated for 10 mins by scintillation counting method in presence of [14C]acetyl-CoA, IC50 = 9 μM. | 26701186 | |
BL21(RIL)-DE3 | Function assay | 10 mins | Inhibition of synthetic VMA-tagged p300 (1287 to 1652 residues) (unknown origin) expressed in Escherichia coli BL21(RIL)-DE3 cells using H4-15 peptide substrate incubated for 10 mins by radiometric filter binding assay in presence of [14C]acetyl-CoA, IC50 = 1.6 μM. | 26701186 | |
BL21(RIL)-DE3 | Function assay | 10 mins | Inhibition of synthetic VMA-tagged p300 (1287 to 1652 residues) (unknown origin) expressed in Escherichia coli BL21(RIL)-DE3 cells using H4-15 peptide substrate incubated for 10 mins by radiometric filter binding assay in presence of [14C]acetyl-CoA, Ki = 0.4 μM. | 26701186 | |
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產(chǎn)品描述 | C646 是一種histone acetyltransferase抑制劑,抑制p300,無細胞試驗中Ki為400 nM,相比于其它乙酰轉(zhuǎn)移酶,優(yōu)先作用于p300。C646 可誘導(dǎo)細胞周期阻滯、細胞凋亡與自噬。 | ||
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靶點 |
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體外研究(In Vitro) | ||||
體外研究活性 | C646是一種組蛋白乙酰轉(zhuǎn)移酶抑制劑,抑制p300,Ki為400 nM,選擇性作用于其他乙酰轉(zhuǎn)移酶。10 μM C646在體外抑制86% p300。C646是傳統(tǒng)的,可逆p300抑制劑。C646(25μM)作用于細胞,降低組蛋白 H3 和 H4 乙?;剑覐U除TSA誘導(dǎo)的乙?;?。[1]C646(20μM)作用于對雄激素敏感的閹割性前列腺癌細胞系,通過干擾AR和NF-kB通路,而誘導(dǎo)細胞凋亡。[2]C646作用于小鼠細胞,抑制全部H3K4me3動態(tài)乙?;?,且局部橫跨啟動子和誘導(dǎo)基因的起始位點,從而干擾RNA聚合酶II相互作用和這些基因的激活。[3] | |||
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激酶實驗 | 放射性檢測 | |||
使用直接放射性測定法測定對假定的p300 HAT抑制劑的IC50值。反應(yīng)在20 mM HEPES (pH 7.9)中進行,包含5 mM DTT, 80μM EDTA, 40μg/ml BSA, 100μM H4-15, 和 5 nM p300。加入在一個濃度范圍內(nèi)的假定抑制劑,DMSO 濃度保持不變(<5%)。反應(yīng)在30°C 下溫育10分鐘, 然后加入1:1 12C-acetyl-CoA 和 14C-acetyl-CoA 的混合物到 20 mM,開始反應(yīng)。在30°C下進行10分鐘后,使用14% SDS (w/v) 淬火。所有濃度按一式兩份篩選。跑膠,洗滌,干燥,暴露于PhosphorImager板上,對產(chǎn)生的Ac-H4-15進行量化,得到IC50值。 | ||||
細胞實驗 | 細胞系 | C3H10T1/2 | ||
濃度 | ~25 μM | |||
孵育時間 | 1 到3小時 | |||
方法 | 在小鼠細胞中測定組蛋白乙?;?。C3H10T1/2小鼠成纖維細胞在含10% FCS的DMEM 培養(yǎng)基中 在37°C下含6% CO2的環(huán)境中生長。鋪滿培養(yǎng)物在含0.5% FCS 的DMEM 培養(yǎng)基中靜置18-20小時,然后再處理。使用如下化合物處理細胞:TSA (10 ng/ml [33 nM]), C646 (25 μM), C37 (25 μM)。使用如下濃度的抗體: 總H3 (1:10000); H4K12ac (1:2500)。兔anti-H3K9ac(1:10000)抗體內(nèi)部產(chǎn)生。通過酸提取從細胞中分離組蛋白,經(jīng)SDS和酸-尿素聚丙烯酰胺凝膠電泳分離,并通過免疫印跡分析。 | |||
實驗圖片 | 檢測方法 | 檢測指標 | 實驗圖片 | PMID |
Western blot | H3K27Ac Cyclin A1/2 / Cyclin E2 / p53 / p21 α-c-Myc |
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27322077 | |
Immunofluorescence | BRD4 / p300 |
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28630312 |
體內(nèi)研究(In Vivo) | ||
體內(nèi)研究活性 | 弱滅絕訓(xùn)練后,C646立即注入到ILPFC,增強恐懼消退記憶的整合。[4]C646處理脊髓,衰減機械痛和熱痛覺過敏,伴隨著抑制COX-2表達。[5] | |
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動物實驗 | Animal Models | 小鼠 |
Dosages | 每種情況下2×0.75 μl 注射體積, 1.5 μg, 處理 超過2分鐘 | |
Administration | 注入 ILPFC |
分子量 | 445.42 | 分子式 | C24H19N3O6 |
CAS號 | 328968-36-1 | SDF | Download C646 SDF |
Smiles | CC1=CC(=C(C=C1C)[N+](=O)[O-])C2=CC=C(O2)C=C3C(=NN(C3=O)C4=CC=C(C=C4)C(=O)O)C | ||
儲存條件(自收到貨起) | |||
體外溶解度 |
DMSO : 11 mg/mL ( (24.69 mM) ;DMSO吸濕會降低化合物溶解度,請使用新開封DMSO) Water : Insoluble Ethanol : Insoluble |
摩爾濃度計算器 |
體內(nèi)溶解度 現(xiàn)配現(xiàn)用,請按從左到右的順序依次添加,澄清后再加入下一溶劑 |
動物體內(nèi)配方計算器 |
動物體內(nèi)配方計算器(澄清溶液)
第一步:請輸入基本實驗信息(考慮到實驗過程中的損耗,建議多配一只動物的藥量)
第二步:請輸入動物體內(nèi)配方組成(配方適用于不溶于水的藥物;不同批次藥物配方比例不同,請聯(lián)系Selleck為您提供正確的澄清溶液配方)
計算結(jié)果:
工作液濃度: mg/ml;
DMSO母液配制方法: mg 藥物溶于μL DMSO溶液(母液濃度mg/mL,注:如該濃度超過該批次藥物DMSO溶解度,請先聯(lián)系Selleck);
體內(nèi)配方配制方法:取μL DMSO母液,加入μL PEG300,混勻澄清后加入μL Tween 80,混勻澄清后加入μL ddH2O,混勻澄清。
體內(nèi)配方配制方法:取μL DMSO母液,加入μL Corn oil,混勻澄清。
注意:1. 首先保證母液是澄清的;
2.一定要按照順序依次將溶劑加入,進行下一步操作之前必須保證上一步操作得到的是澄清的溶液,可采用渦旋、超聲或水浴加熱等物理方法助溶。
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問題 1:
I am planning to conduct IP studies in mice, any specific vehicle that you can recommend to me?
回答:
We found it can be dissolved in 5% DMSO+30% PEG 300+ddH2O at 1 mg/ml as a clear solution. It should be ok for i.p. injection.