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    • Pepstatin A

      別名: Pepstatin 中文名稱:抑肽素

      Pepstatin A (Pepstatin) 是一種強(qiáng)效的aspartic protease抑制劑, 并可抑制HIV的復(fù)制。Pepstatin A 也是 cathepsins Dcathepsins E 的抑制劑。Pepstatin A 通過(guò)抑制溶酶體蛋白酶來(lái)抑制自噬。

      Pepstatin A Chemical Structure

      Pepstatin A Chemical Structure

      CAS: 26305-03-3

      規(guī)格 價(jià)格 庫(kù)存 購(gòu)買數(shù)量
      10mM (1mL in DMSO) 1040.13 現(xiàn)貨
      10mg 808.21 現(xiàn)貨
      50mg 2270.75 現(xiàn)貨
      200mg 5543.31 現(xiàn)貨
      1g 22772.3 現(xiàn)貨
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      Pepstatin A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)
      MDA-MB-231 Function assay 3 days Inhibition of secreted cathepsin D in human MDA-MB-231 cells using Mca-Gly-Lys-Pro-Ile-Leu-PhePhe-Arg-Leu-Lys-(Dnp)-D-Arg-NH2 as substrate pretreated for 3 days under pH 6.6 conditioned media followed by substrate addition measured at 5 mins interval for , IC50=0.0001μM. 29087712
      MDA-MB-231 Function assay 3 days Inhibition of secreted cathepsin E in human MDA-MB-231 cells using Mca-Gly-Lys-Pro-Ile-Leu-PhePhe-Arg-Leu-Lys-(Dnp)-D-Arg-NH2 as substrate pretreated for 3 days under pH 6.6 conditioned media followed by substrate addition measured at 5 mins interval for , IC50=0.0001μM. 29087712
      MDA-MB-231 Function assay 4 hrs Inhibition of cathepsin D in human MDA-MB-231 cells using Mca-Gly-Lys-Pro-Ile-Leu-PhePhe-Arg-Leu-Lys-(Dnp)-D-Arg-NH2 as substrate pretreated for 4 hrs followed by compound washout and subsequent substrate addition measured at 30 secs interval for 30 mins , IC50=0.1μM. 29087712
      MDA-MB-231 Function assay 4 hrs Inhibition of cathepsin E in human MDA-MB-231 cells using Mca-Gly-Lys-Pro-Ile-Leu-PhePhe-Arg-Leu-Lys-(Dnp)-D-Arg-NH2 as substrate pretreated for 4 hrs followed by compound washout and subsequent substrate addition measured at 30 secs interval for 30 mins , IC50=0.1μM. 29087712
      MDA-MB-231 Function assay 4 hrs Inhibition of cathepsin D in human MDA-MB-231 cells using Mca-Gly-Lys-Pro-Ile-Leu-PhePhe-Arg-Leu-Lys-(Dnp)-D-Arg-NH2 as substrate pretreated for 4 hrs followed by compound washout and subsequent 10 mins trypsinization prior to substrate addition measured , IC50=1μM. 29087712
      MDA-MB-231 Function assay 4 hrs Inhibition of cathepsin E in human MDA-MB-231 cells using Mca-Gly-Lys-Pro-Ile-Leu-PhePhe-Arg-Leu-Lys-(Dnp)-D-Arg-NH2 as substrate pretreated for 4 hrs followed by compound washout and subsequent 10 mins trypsinization prior to substrate addition measured , IC50=1μM. 29087712
      MCF7 Function assay 1 hr Inhibition of cathepsin D in human MCF7 cells treated for 1 hr measured after washout and trypsin treatment by fluorescence assay, IC50=5μM. 19715320
      MCF7 Function assay 1 hr Inhibition of cathepsin E in human MCF7 cells treated for 1 hr measured after washout and trypsin treatment by fluorescence assay, IC50=5μM. 19715320
      MCF7 Function assay Inhibition of cathepsin D in human MCF7 cells by fluorescence assay, IC50=0.005μM. 19715320
      MCF7 Function assay Inhibition of cathepsin E in human MCF7 cells by fluorescence assay, IC50=0.005μM. 19715320
      NB1643 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for NB1643 cells 29435139
      A673 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for A673 cells) 29435139
      SK-N-MC qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for SK-N-MC cells 29435139
      TC32 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for TC32 cells 29435139
      點(diǎn)擊查看更多細(xì)胞系數(shù)據(jù)

      生物活性

      產(chǎn)品描述 Pepstatin A (Pepstatin) 是一種強(qiáng)效的aspartic protease抑制劑, 并可抑制HIV的復(fù)制。Pepstatin A 也是 cathepsins Dcathepsins E 的抑制劑。Pepstatin A 通過(guò)抑制溶酶體蛋白酶來(lái)抑制自噬。
      靶點(diǎn)
      aspartic protease [1] cathepsins D [2] cathepsins E [2]
      體外研究(In Vitro)
      體外研究活性

      Pepstatin A對(duì)天冬氨酸蛋白酶比如蛋白質(zhì),組織蛋白酶D和E表現(xiàn)出有效的抑制作用。在HIV感染的H9細(xì)胞中,pepstatin A抑制部分細(xì)胞內(nèi)HIV gag蛋白質(zhì)的合成,而對(duì)HIV感染的細(xì)胞沒(méi)有顯著毒性。[1]

      Pepstatin A通過(guò)阻斷ERK信號(hào)并抑制NFATc1的表達(dá)抑制破骨細(xì)胞的增殖。[2]

      • [1]https://pubmed.ncbi.nlm.nih.gov/3045820/
      • [2]https://pubmed.ncbi.nlm.nih.gov/16567424/
      • [3]https://pubmed.ncbi.nlm.nih.gov/35974017/
      • [4]https://pubmed.ncbi.nlm.nih.gov/4912600/

      化學(xué)信息&溶解度

      分子量 685.89 分子式

      C34H63N5O9

      CAS號(hào) 26305-03-3 SDF Download Pepstatin A SDF
      Smiles CC(C)CC(C(CC(=O)O)O)NC(=O)C(C)NC(=O)CC(C(CC(C)C)NC(=O)C(C(C)C)NC(=O)C(C(C)C)NC(=O)CC(C)C)O
      儲(chǔ)存條件(自收到貨起)

      體外溶解度
      批次:

      DMSO : 50 mg/mL ( (72.89 mM) ;DMSO吸濕會(huì)降低化合物溶解度,請(qǐng)使用新開(kāi)封DMSO)

      Ethanol : 3 mg/mL (4.37 mM)

      Water : 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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      操作手冊(cè)

      如果有其他問(wèn)題,請(qǐng)給我們留言。

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      常見(jiàn)問(wèn)題及建議解決方法

      問(wèn)題 1:
      Do you have recommended in-vivo solvent for it please?

      回答:
      It could be dissolved in 5%DMSO+40%PEG300+5%tween-80+ddH2O up to 2mg/ml.

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