• <dfn id="q240u"></dfn>
    • C646

      C646 是一種histone acetyltransferase抑制劑,抑制p300,無(wú)細(xì)胞試驗(yàn)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(xì)胞周期阻滯、細(xì)胞凋亡與自噬。

      C646 Chemical Structure

      C646 Chemical Structure

      CAS: 328968-36-1

      規(guī)格 價(jià)格 庫(kù)存 購(gòu)買數(shù)量
      10mM (1mL in DMSO) 1302.94 現(xiàn)貨
      10mg 1180.69 現(xiàn)貨
      50mg 4650.19 現(xiàn)貨
      1g 24488.1 現(xiàn)貨
      更大包裝 有超大折扣

      400-668-6834

      [email protected]

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      C646相關(guān)產(chǎn)品

      相關(guān)信號(hào)通路圖

      細(xì)胞實(shí)驗(yàn)數(shù)據(jù)示例

      細(xì)胞系 實(shí)驗(yàn)類型 給藥濃度 孵育時(shí)間 活性描述 文獻(xiàn)信息(PMID)
      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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      生物活性

      產(chǎn)品描述 C646 是一種histone acetyltransferase抑制劑,抑制p300,無(wú)細(xì)胞試驗(yàn)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(xì)胞周期阻滯、細(xì)胞凋亡與自噬。
      靶點(diǎn)
      p300/CBP [1]
      (Cell-free assay)
      400 nM(Ki)
      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(xì)胞,降低組蛋白 H3 和 H4 乙酰化水平,且廢除TSA誘導(dǎo)的乙酰化。[1]C646(20μM)作用于對(duì)雄激素敏感的閹割性前列腺癌細(xì)胞系,通過(guò)干擾AR和NF-kB通路,而誘導(dǎo)細(xì)胞凋亡。[2]C646作用于小鼠細(xì)胞,抑制全部H3K4me3動(dòng)態(tài)乙酰化,且局部橫跨啟動(dòng)子和誘導(dǎo)基因的起始位點(diǎn),從而干擾RNA聚合酶II相互作用和這些基因的激活。[3]
      激酶實(shí)驗(yàn) 放射性檢測(cè)
      使用直接放射性測(cè)定法測(cè)定對(duì)假定的p300 HAT抑制劑的IC50值。反應(yīng)在20 mM HEPES (pH 7.9)中進(jìn)行,包含5 mM DTT, 80μM EDTA, 40μg/ml BSA, 100μM H4-15, 和 5 nM p300。加入在一個(gè)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(jìn)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(duì)產(chǎn)生的Ac-H4-15進(jìn)行量化,得到IC50值。
      細(xì)胞實(shí)驗(yàn) 細(xì)胞系 C3H10T1/2
      濃度 ~25 μM
      孵育時(shí)間 1 到3小時(shí)
      方法 在小鼠細(xì)胞中測(cè)定組蛋白乙酰化。C3H10T1/2小鼠成纖維細(xì)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(zhǎng)。鋪滿培養(yǎng)物在含0.5% FCS 的DMEM 培養(yǎng)基中靜置18-20小時(shí),然后再處理。使用如下化合物處理細(xì)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(guò)酸提取從細(xì)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(guò)免疫印跡分析。
      實(shí)驗(yàn)圖片 檢測(cè)方法 檢測(cè)指標(biāo) 實(shí)驗(yàn)圖片 PMID
      Western blot α-c-Myc Cyclin A1/2 / Cyclin E2 / p53 / p21 H3K27Ac 28630312
      Immunofluorescence BRD4 / p300 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(qiáng)恐懼消退記憶的整合。[4]C646處理脊髓,衰減機(jī)械痛和熱痛覺(jué)過(guò)敏,伴隨著抑制COX-2表達(dá)。[5]
      動(dòng)物實(shí)驗(yàn) 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(guò)2分鐘
      Administration 注入 ILPFC
      • https://pubmed.ncbi.nlm.nih.gov/20534345/
      • https://pubmed.ncbi.nlm.nih.gov/21709130/
      • https://pubmed.ncbi.nlm.nih.gov/21518915/
      • https://pubmed.ncbi.nlm.nih.gov/21593332/
      • https://pubmed.ncbi.nlm.nih.gov/23176208/

      化學(xué)信息&溶解度

      分子量 445.42 分子式

      C24H19N3O6

      CAS號(hào) 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(chǔ)存條件(自收到貨起)

      體外溶解度
      批次:

      DMSO : 11 mg/mL ( (24.69 mM) ;DMSO吸濕會(huì)降低化合物溶解度,請(qǐng)使用新開封DMSO)

      Water : Insoluble

      Ethanol : Insoluble

      摩爾濃度計(jì)算器

      體內(nèi)溶解配方
      批次:

      現(xiàn)配現(xiàn)用,請(qǐng)按從左到右的順序依次添加,澄清后再加入下一溶劑

      動(dòng)物體內(nèi)配方計(jì)算器

      實(shí)驗(yàn)計(jì)算

      摩爾濃度計(jì)算器

      質(zhì)量 濃度 體積 分子量

      動(dòng)物體內(nèi)配方計(jì)算器(澄清溶液)

      第一步:請(qǐng)輸入基本實(shí)驗(yàn)信息(考慮到實(shí)驗(yàn)過(guò)程中的損耗,建議多配一只動(dòng)物的藥量)

      mg/kg g μL

      第二步:請(qǐng)輸入動(dòng)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(qǐng)聯(lián)系Selleck為您提供正確的澄清溶液配方)

      % DMSO % % Tween 80 % ddH2O
      %DMSO %

      計(jì)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,:如該濃度超過(guò)該批次藥物DMSO溶解度,請(qǐng)先聯(lián)系Selleck);

      體內(nèi)配方配制方法: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: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(jìn)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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      常見問(wèn)題及建議解決方法

      問(wèn)題 1:
      I am planning to conduct IP studies in mice with it, any specific vehicle that you can recommend to me?

      回答:
      It can be dissolved in 5% DMSO+30% PEG 300+ddH2O at 1 mg/ml as a clear solution, and should be ok for i.p. injection.

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