PTC-209 hydrobromide
作者：齊岳
發(fā)布時(shí)間：2023-09-12
09:05:38
點(diǎn)擊數(shù)：
產(chǎn)品名稱：PTC-209 hydrobromide
產(chǎn)品描述：
| 產(chǎn)品描述 | PTC-209 HBr is the hydrobromide salt of PTC-209, which is a potent and selective BMI-1 inhibitor with IC50 of 0.5 μM, and results in irreversible reduction of cancer-initiating cells (CICs). |
| 靶點(diǎn)活性 | BMI-1:0.5 μM |
| 體外活性 | PTC-209 inhibits both the UTR-mediated reporter expression and endogenous BMI-1 expression in human colorectal HCT116 and human fibrosarcoma HT1080 tumor cells. PTC-209 decreases colorectal tumor cell growth in a BMI-1-dependent way. In addition, PTC-209 impairs colorectal cancer-initiating cells (CICs) through irreversible growth inhibition. [1] |
| 體內(nèi)活性 | PTC-209 (60 mg/kg/day, s.c.) effectively inhibits BMI-1 production in tumor tissue, and halts growth of preestablished tumors in mice bearing primary human colon cancer xenograft, human colon cancer cell lines LIM1215 or HCT116 xenografts. PTC-209 also reduces the frequency of functional colorectal CICs in vivo. [1] |
| 激酶實(shí)驗(yàn) | Untranslated region-mediated luciferase reporter expression: HEK293 cells are transfected with a GEMS reporter vector that contains the luciferase open-reading frame flanked by and under post-transcriptional control of the BMI-1 5′ and 3′ UTRs. The resulting stable cells (F8) are treated with PTC-209 or vehicle control overnight, and then luciferase reporter activity is determined using Bright-Glo assays. The assays are run in triplicate for each point, and the percentage of inhibition was calculated against vehicle control. |
| 細(xì)胞實(shí)驗(yàn) | To determine whether pretreatment with the inhibitor affects tumor cell growth, cells are plated with the inhibitor for 4 d in vitro and plated in limiting doses in vitro without adding further inhibitor. Trypan blue exclusion is used to count viable cells. The in vitro sphere-initiating cell frequency is calculated after inhibitor treatment by evaluating the number of wells containing spheres. For the experiments where LDAs are set up following recovery of PTC-209 treated cells, 6-well plates were seeded with 1E6 cells per well and incubated overnight. Cells are subsequently treated for 4 d in triplicate with either DMSO vehicle or PTC-209 (0.01, 0.1, 1 and 10 μM). Drug treatments are washed off and 4 mL fresh suspension medium added to all wells. To assess cell viability following the 4 d treatment window, cells are trypsinized and counted at 0, 24, 72 and 120 h after removal of the drug. Long-lasting effects of the drug treatment on sphere-forming ability are assessed by plating LDAs (50,000, 10,000, 1,000,100, 10 and 1 cell per well) using the cells obtained 120 h after the 4-d drug treatment.(Only for Reference) |
| 別名 | PTC-209 HBr |
| 分子量 | 576.1 |
| 分子式 | C17H13Br2N5OS·HBr |
| CAS No. | 1217022-63-3 |
存儲(chǔ)
Powder: -20°C for 3 years | In solvent: -80°C for 2 years
溶解度
Ethanol: <1 mg/mL
H2O: <1 mg/mL
DMSO: 93 mg/mL (161.4 mM)
( < 1 mg/mL refers to the product slightly soluble or insoluble )
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