13585831301
021-59541103 021-60443211
3004967995
13585831301021-59541103 021-604432113004967995
聯系人:高小姐
電話:021-59541103 021-60443211
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詳細地址：上海嘉定區嘉羅公路1661
化學性質：
| 規格 | 10mM (in 1mL DMSO) 5mg 10mg 50mg 200mg |
| CAS | 918633-87-1 |
| 別名 | TH 302,TH302,HAP-302,HAP302 |
| 化學名 | 2-bromo-N-[(2-bromoethylamino)-[(3-methyl-2-nitroimidazol-4-yl)methoxy]phosphoryl]ethanamine |
| 分子式 | C9H16Br2N5O4P |
| 分子量 | 449.04 |
| 溶解度 | ≥ 22.45 mg/mL in DMSO, ≥ 34.2 mg/mL in EtOH with ultrasonic, ≥ 4.73 mg/mL in H2O with ultrasonic and warming |
| 儲存條件 | Store at -20°C |
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while. |
| Shipping Condition | Evaluation sample solution : ship with blue ice |
產品描述：
TH-302 is a 2-nitroimidazole triggered hypoxia-activated prodrug of bromo-isophosphoramide mustard [1].
Hypoxia is a prevailing feature of tumors due to the abnormal aspects and structure of tumor vasculatures. It is found that hypoxic tumors usually show resistance to the traditional chemo- and radiation therapies and hypoxic tumors are more metastatic and invasive. Since the hypoxic tumors are not hyperproliferative, the traditional anti-proliferation drugs are not suitable. As a hypoxia-activated prodrug, TH-302 can release the cytotoxic agent Br-IPM and selectively deliver it the to the tumor cells under the anoxic condition [1 and 2].
The activity of TH-302 is dependent on the degree of anoxia and the exposure time of the drug under hypoxia. Higher activity requires lower oxygen concentration. Different with tirapazamine (another HAP), TH-302 needed much severer hypoxia (about 0.1%) to keep high potency. When treated in a panel of 32 kinds of tumor cells, TH-302 showed modest cytotoxicity with IC50 values all above 40 μM under the normal air condition. In contrast, TH-302 exerted elevated anti-tumor potency under the hypoxic condition. The IC50 values of it were in a range from 0.1 to 90 μM. Among these tumor cells, the non-small cell lung cancer H460 cells were most sensitive against TH-302 treatment with IC50 value of 0.1±0.03 μM. Besides that, TH-302 also showed potent efficacies in many other tumor cells, including Caki-1 (renal), SK-MEL-5 (melanoma), DU145 (prostate) and HCT116 (colon), with IC50 values of 0.4, 0.7, 0.7 and 0.8 μM, respectively [1].
In mice bearing H460 xenografts, administration of TH-302 at doses of 6.25 to 50 mg/kg dose-dependently caused tumor growth inhibition (TGI) with 43% to 89% and 50 mg/kg TH-302 administration showed no hematologic toxicity. Apart from this, TH-302 was found to induce DNA damage. TH-302 at dose of 100 mg/kg for 6 hours resulted in notable increase of γH2AX-positive cells [2].
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原創作者：上海莼試生物技術有限公司
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賬 戶 名：上海生物
開 戶 行：中國銀行山東省分行營業部
賬 號：2169 2341 6278
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