Epirubicin表柔比星,56420-45-2

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Epirubicin

CAS No. : 56420-45-2

MCE 国际站：Epirubicin

产品活性：Epirubicin (4'-Epidoxorubicin) 是阿霉素的半合成的 L-阿拉伯糖衍生物，能够抑制 Topoisomerase，起到抗肿瘤的作用。Epirubicin 抑制 DNA 和 RNA 合成。Epirubicin 是一种 Forkhead box 蛋白 p3 (Foxp3) 抑制剂，可抑制调节性 T 细胞活性。

研究领域：Cell Cycle/DNA Damage  |  Apoptosis  |  Anti-infection

作用靶点：DNA/RNA Synthesis  |  Topoisomerase  |  Apoptosis  |  Antibiotic

In Vitro: Epirubicin (4'-Epidoxorubicin), like doxorubicin, exerts its antitumor effects by complex with DNA, resulting in damage to DNA and interference with the synthesis of DNA, RNA, and proteins. Epirubicin may also affect the integrity and activity of cellular membranes. Maximal cell kill caused by Epirubicin occurs during the S phase of the cell cycle. With higher concentrations effects are also seen in early G2 as well as G1 and M phases.
Epirubicin display antineoplastic activity against most cancer cells. Epirubicin is cytotoxic to Hepatoma G2 cells with IC₅₀ of 1.6 μg/mL at 24 hr. 1.6 μg/mL Epirubicin induces apoptosis of Hep G2 cells, and higher activity of catalase by 50%, Se-dependent glutathione peroxidase by 110%, Cu, Zn-superoxide dismutase by 172% and Mn-superoxide dismutase by 135%. Epirbicin increases the cellular expression of NADPH-CYP 450 reductase, and reduces GST-π expression.

In Vivo: Epirubicin (4'-Epidoxorubicin) are clinically active against a broad range of tumor types, including breast cancer, malignant lymphomas, soft tissue sarcomas, lung cancer, pleural mesothelioma, gastrointestinal cancer, head and neck cancer, ovarian cancer, prostatic carcinoma, transitional bladder carcinoma and so on.
Epirubicin at a dose of 3.5 mg/kg suppresses tumor mass of human breast tumor xenograft R-27 by 74.4 %.

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