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产品价格:电议      采购度:1602      原产地:美洲
发布时间:2021/8/2 22:25:47 所属地区:上海 上海市
简要描述:
SKLB-23bb 是一种有效的选择性 HDAC6 抑制剂,IC50 为 17 nM,比抑制 HDAC1 (IC50= 422 nM) 和 HDAC8 (IC50=3398 nM) 选择性分别高 25 倍和 200 倍。
标签:bb
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CAS No. : 1815580-06-3
MCE 站:SKLB-23bb
产品活性:SKLB-23bb 是一种有效的选择性 HDAC6 抑制剂,IC50 为 17 nM,比抑制 HDAC1 (IC50= 422 nM) 和 HDAC8 (IC50=3398 nM) 选择性分别高 25 倍和 200 倍。
研究领域:Cell Cycle/DNA Damage | Epigenetics
作用靶点:HDAC
In Vitro: SKLB-23bb (Compound 23bb) presents low nanomolar antiproliferative effects against panel of cancer cell lines. The antiproliferative activity is ton human malignant melanoma A375 cells and cervical cancer HeLa cells, SKLB-23bb shows the most potent activities with IC50 values of 50 and 49 nM on A375 and HeLa cells, respectively. The antiproliferative activities against 11 kinds of hematological tumors (myelomaU266, RPMI8226 cells, human leukemia MV4-11, K562 cells, and human B cell lymphoma Ramos cells) or solid tumors (ovarian cancer A2780s, SKOV-3 cells, breast cancer SKBR3 cells, liver cancer HepG2 cells, lung cancer H460, A549 cells, cervical cancer HeLa cells and colon cancer HCT116, HT29 cells) cell lines of SKLB-23bb are evaluated by MTT, and the SAHA and ACY-1215 are as positive control. SKLB-23bb shows significant antiproliferative potential with the IC50 values ranging from 14 to 104 nM in these tumor cell lines.
In Vivo: SKLB-23bb (Compound 23bb) reduces the tumor growth in both the hematological tumor MV4-11 xenograft model and solid tumor HCT116 xenograft model. The significant antitumor activities are observed by intravenous administration of SKLB-23bb at 50 mg/kg on MV4-11 and HCT116 xenograft models. The growth of MV4-11 and HCT116 cancer cell xenografts is suppressed by 55.0% and 76.3% (percent of tumor mass change [TGI] values) after iv administration of SKLB-23bb at 50 mg/kg. The HCT116 xenograft model is also established to investigate the antitumor activity of oral administration of SKLB-23bb. The TGI value of oral administration of SKLB-23bb (25 mg/kg) on HCT116 xenograft model is 60.4%, which is superior to the SAHA group (100 mg/kg, 59.2%). Additionally, the body weight decrease is acceptable and no other adverse effects are observed upon treatment with SKLB-23bb. Low clearance (CL=7.008 L/kg per hour for iv, CL=12.877 L/kg per hour for po) and long terminal half-life (t1/2=7.658 h for iv, t1/2=9.62 h for po) are observed in SKLB-23bb. The oral bioavailability of SKLB-23bb is excellent in rats and the bioavailability is up to 47.0%.
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更新时间:2024/1/2 10:17:44
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