*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
生物活性
Doxorubicin (Hydroxydaunorubicin) hydrochloride, a cytotoxic anthracycline antibiotic, is an anti-cancer chemotherapy agent. Doxorubicin hydrochloride is a potent human DNA topoisomerase I and topoisomerase II inhibitor with IC50s of 0.8 μM and 2.67 μM, respectively. Doxorubicin hydrochloride reduces basal phosphorylation of AMPK and its downstream target acetyl-CoA carboxylase. Doxorubicin hydrochloride induces apoptosis and autophagy.
性状
Solid
IC50 & Target[1][2]
Topoisomerase I
0.8 μM (IC50)
Topoisomerase II
2.67 μM (IC50)
Daunorubicins/Doxorubicins
HIV-1
体外研究(In Vitro)
Doxorubicin hydrochloride (1-8 μM; 24 and 48 hours) decreases the viability of MCF-10F, MCF-7 and MDA-MB-231 cells in a time- and dose-dependent manner.
Doxorubicin hydrochloride (1 μM; 3 and 24 hours) results in Hct-116 human colon carcinoma cells reduction in G0/G1 phase and accumulation in G2 phase.
Doxorubicin hydrochloride (1 μM for MCF-10F and MDA-MB-231 cells, 4 μM for MCF-7 cells; 48 hours) induces apoptosis by upregulating Bax, caspase-8 and caspase-3 and downregulation of Bcl-2 protein expression.
Medlife has not independently confirmed the accuracy of these methods. They are for reference only.
Cell Viability Assay
Cell Line: Breast cancer cell lines MCF-10F, MCF-7 and MDA-MB-231
Concentration: 0, 1, 2, 4 and 8 μM
Incubation Time: 24 and 48 hours
Result: IC50 was 1 μM for both MCF-10F and MDA-MB-231 cell lines.
IC50 was 4 μM for MCF-7 cell line.
Cell Cycle Analysis
Cell Line: Hct-116 human colon carcinoma cells
Concentration: 1 μM
Incubation Time: 3 hours and 24 hours
Result: Both, bolus (3 h) and continuous (24 h) incubation led to a significant reduction of cells in G0/G1 and accumulation in G2 phase.
Western Blot Analysis
Cell Line: Breast cancer cell lines MCF-10F, MCF-7 and MDA-MB-231
Concentration: 1 μM for MCF-10F and MDA-MB-231 cells, 4 μM for MCF-7 cells
Incubation Time: 48 hours
Result: Bax protein expression was upregulated in MCF-10F and MDA-MB-231 cell lines but MCF-7 cells did not show any significant increase.
Caspase-8 gene expression was upregulated in MCF-10F, but it was downregulated in MCF-7 and MDA-MB-231 cells.
体内研究(In Vivo)
Treatment with Doxorubicin (2 mg/kg) or Zoledronic acid (100 μg/kg) alone does not statistically significantly decrease final tumor volume compared with saline. Mice treated with Doxorubicin plus Zoledronic acid have statistically significantly smaller final tumor volumes than those treated with Doxorubicin alone.
Medlife has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Model: Female MF1 nu/nu mice bearing MDA-G8 breast tumor xenograft (6-week-old)
Dosage: Doxorubicin (2 mg/kg); Zoledronic acid (100 μg/kg)
Administration: Intravenous injection; once a week; 6 weeks
Result: Moderate inhibition of subcutaneous tumor growth in mice that were treated with 2 mg/kg Doxorubicin alone or with 100 μg/kg Zoledronic acid alone compared to the saline control.
Mice treated with Zoledronic acid and Doxorubicin together had statistically significant smaller mean tumor volumes on day 42 than those treated with Doxorubicin alone.
运输条件
Room temperature or refrigerated transportation.
储存方式
4°C, sealed storage, away from moisture and light
*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
ClinicalTrial
结构分类
Quinones
Anthraquinones
来源
Streptomyces peucetius var. Caesius
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