Triple-negative breast cancer (TNBC) is a subtype of breast cancer with high mortality and drug resistance and no targeted drug available at present. Compound 4, a staurosporine alkaloid derived from Streptomyces sp. NBU3142 in a marine sponge, exhibits potent anti-TNBC activity. This research investigated its impact on MDA-MB-231 cells and their drug-resistant variants. The findings highlighted that compound 4 inhibits breast cancer cell migration, induces apoptosis, arrests the cell cycle, and promotes cellular senescence in both regular and paclitaxel-resistant MDA-MB-231 cells. Additionally, this study identified mitogen-activated protein kinase kinase kinase 11 (MAP3K11) as a target of compound 4, implicating its role in breast tumorigenesis by affecting cell proliferation, migration, and cell cycle progression.
机构:
Inst Alexander Fleming, Dept Oncol, ANZ, RA-1426 Buenos Aires, DF, ArgentinaInst Alexander Fleming, Dept Oncol, ANZ, RA-1426 Buenos Aires, DF, Argentina
Chacon, Reinaldo D.
Costanzo, Maria V.
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机构:
Inst Alexander Fleming, Dept Oncol, ANZ, RA-1426 Buenos Aires, DF, ArgentinaInst Alexander Fleming, Dept Oncol, ANZ, RA-1426 Buenos Aires, DF, Argentina
机构:
Clinical Division of Oncology, Department of Medicine 1 and Cancer Centre, Medical University of Vienna, 1090 Vienna
Department of Medicine 1 (Haematology and Medical Oncology), Academic Teaching Hospital Elisabethinen, LinzClinical Division of Oncology, Department of Medicine 1 and Cancer Centre, Medical University of Vienna, 1090 Vienna
Bartsch R.
Ziebermayr R.
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机构:
Department of Medicine 1 (Haematology and Medical Oncology), Academic Teaching Hospital Elisabethinen, LinzClinical Division of Oncology, Department of Medicine 1 and Cancer Centre, Medical University of Vienna, 1090 Vienna
Ziebermayr R.
Zielinski C.C.
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Clinical Division of Oncology, Department of Medicine 1 and Cancer Centre, Medical University of Vienna, 1090 ViennaClinical Division of Oncology, Department of Medicine 1 and Cancer Centre, Medical University of Vienna, 1090 Vienna
Zielinski C.C.
Steger G.G.
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Clinical Division of Oncology, Department of Medicine 1 and Cancer Centre, Medical University of Vienna, 1090 ViennaClinical Division of Oncology, Department of Medicine 1 and Cancer Centre, Medical University of Vienna, 1090 Vienna