PAC-1

製品コードS2738 バッチS273801

印刷

化学情報

Chemical Structure Synonyms N/A Storage
(From the date of receipt)		 3 years -20°C powder
1 years -80°C in solvent
化学式

C23H28N4O2
分子量 392.49 CAS No. 315183-21-2
Solubility (25°C)* 体外 DMSO 78 mg/mL (198.73 mM)
Water Insoluble
Ethanol Insoluble
体内 （毎回新しく調製した物を用意してください）
Homogeneous suspension
CMC-NA
≥5mg/ml Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

溶剤液（一定の濃度）を調合する

生物活性

製品説明 PAC-1 is a potent procaspase-3 activator with EC50 of 0.22 μM and the first small molecule known to directly activate procaspase-3 to caspase-3.
in vitro PAC-1 activates procaspase-7 in a less efficient manner with EC50 of 4.5 μM. Elevated caspase 3 level in cancer cell lines allows this compound to selectively induce apoptosis in a manner proportional to procaspase-3 concentration with IC50 of 0.35 μM for NCI-H226 cells to ~3.5 μM for UACC-62 cells. It induces apoptosis in the primary cancerous cells with IC50 values of 3 nM to 1.41 μM, more potently than in the adjacent noncancerous cells with IC50 of 5.02 μM to 9.98 μM, which is also directly related to the distinct procaspase-3 concentration. [1] This chemical activates procaspase-3 by chelating zinc ions, thus relieving the zinc-mediated inhibition and allowing procaspase-3 to auto-activate itself to caspase-3. [2] It is capable to induce cell death in Bax/Bak double-knockout cells and Bcl-2 and Bcl-xL-overexpressing cells with the same efficacy as its wild-type counterpart in a delayed manner. This compound induces cytochrome c release in a caspase-3 independent manner, which subsequently triggers downstream caspase-3 activation and cell death. It can not induce cell death and caspase-3 activation in Apaf-1 knockout cells, suggesting that apoptosome formation is essential for caspase-3 activation by PAC-1-mediated cell death. [3]
in vivo Administration of PAC-1 at 5 mg with low and steady releasing significantly inhibits the growth of ACHN renal cancer xenograft in mice. Oral administration of this compound (50 or 100 mg/kg) significantly retards tumor growth of NCI-H226 lung cancer xenograft in a dose-dependent manner, and markedly prevents the cancer cells from infiltrating the lung tissue. The in vivo anti-tumor effect of this chemical is ascribed to procaspase-3 activation and subsequently apoptosis induction consistent with the activity in vitro. [1]
特徴 The first small molecule known to directly activate procaspase-3 to caspase-3.

プロトコル(参考用のみ)

キナーゼアッセイ In vitro procaspase-3 activation
Procaspase-3 is expressed and purified in Escherichia coli. Various concentrations of PAC-1 are added to 90 μL of a 50 ng/mL of procaspase-3 in caspase assay buffer in a 96-well plate, The plate is incubated for 12 hours at 37 °C. A 10 μL volume of a 2 mM solution of caspase-3 peptidic substrate acetyl Asp-Glu-Val-Asp-p-nitroanilide (Ac-DEVD-pNa) in caspase assay buffer is then added to each well. The plate is read every 2 minutes at 405 nm for 2 hours in a Spectra Max Plus 384 well plate reader. The slope of the linear portion for each well is determined, and the relative increase in activation from untreated control wells is calculated.
細胞アッセイ 細胞株 U-937, HL-60, CRL-1872, ACHN, NCI-H226, Hs888Lu, Hs578Bst, MCF-10A, SK-MEL-5, BT-20, MDA-MB-231, UACC-62, SK-N-SH, B16-F10 , Hs 578t, and PC-12
濃度 Dissolved in DMSO, final concentrations ~100 μM
反応時間 72 hours
実験の流れ Cells are exposed to various concentrations of PAC-1 for 72 hours. Cell death is quantified by the addition of MTS/PMS CellTiter 96 Cell Proliferation Assay reagent. The plates are incubated at 37 °C for approximately 1 hour (until the colored product formed), and the absorbance is measured at 490 n
動物実験 動物モデル Ovariectomized female athymic BALB/c (nude, nu/nu) mice injected subcutaneously with ACHN cells, male athymic BALB/c nude mice injected subcutaneously with NCI-H226 cells, and male athymic BALB/c–/– mice injected intravenously with NCI-H226 cells
投薬量 ~100 mg/kg
投与方法 Pellet implantation subcutaneously or oral gavage

参考

  • https://pubmed.ncbi.nlm.nih.gov/16936720/
  • https://pubmed.ncbi.nlm.nih.gov/19281821/
  • https://pubmed.ncbi.nlm.nih.gov/21900958/

カスタマーフィードバック

Data from [Data independently produced by , , Biol Med, 2015, 7(5).doi: 10.4172/0974-8369.1000259.]

Selleckの高級品が、幾つかの出版された研究調査結果（以下を含む）で使われた：

Rice ragged stunt virus Pns10 induces mitochondrial-mediated apoptosis to promote viral infection in Nilaparvata lugens through disrupting the NlNDUFS1-NlPHB2 interaction [ PLoS Pathog, 2025, 21(8):e1013415] PubMed: 40828869
Mycobacterium tuberculosis bacillus induces pyroptosis in human lung fibroblasts [ mSphere, 2025, e0011025.] PubMed: 40387341
Aedes aegypti Argonaute 2 controls arbovirus infection and host mortality [ Nat Commun, 2023, 14(1):5773] PubMed: 37723154
Aedes aegypti Argonaute 2 controls arbovirus infection and host mortality [ Nat Commun, 2023, 14(1):5773] PubMed: 37723154
Caspase 3 exhibits a yeast metacaspase proteostasis function that protects mitochondria from toxic TDP43 aggregates [ Microb Cell, 2023, 10(8):157-169] PubMed: 37545643
PEBP balances apoptosis and autophagy in whitefly upon arbovirus infection [ Nat Commun, 2022, 13(1):846] PubMed: 35149691
COL8A1 Promotes NSCLC Progression Through IFIT1/IFIT3-Mediated EGFR Activation [ Front Oncol, 2022, 12:707525] PubMed: 35280763
ANP32E contributes to gastric cancer progression via NUF2 upregulation [ Mol Med Rep, 2022, 26(3)275] PubMed: 35795988
Modulating environmental signals to reveal mechanisms and vulnerabilities of cancer persisters [ Sci Adv, 2022, 8(4):eabi7711] PubMed: 35089788
Microbes exploit death-induced nutrient release by gut epithelial cells [ Nature, 2021, 10.1038/s41586-021-03785-9] PubMed: 34349263

長期の保管のために-20°Cの下で製品を保ってください。

人間や獣医の診断であるか治療的な使用のためにでない。

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