期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 24, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/ijms24098401
关键词
osteosarcoma; mesenchymal stem cell; cancer stem cell; self-renewal; Notch; Hedgehog; Wnt; pluripotency; SOX-2; KLF4
Osteosarcoma is a malignant bone tumor containing self-renewing cancer stem cells (CSCs) responsible for tumor progression and chemotherapy resistance. Notch, Hedgehog, and Wnt/beta-Catenin signaling pathways, crucial for self-renewal and differentiation of normal stem cells, have been identified as important regulators of osteosarcoma CSCs and resistance to cancer therapies. Targeting these pathways, embryonic markers, and the tumor microenvironment could be a promising strategy to overcome chemoresistance and improve prognosis in osteosarcoma patients.
Osteosarcoma is a highly malignant bone tumor derived from mesenchymal cells that contains self-renewing cancer stem cells (CSCs), which are responsible for tumor progression and chemotherapy resistance. Understanding the signaling pathways that regulate CSC self-renewal and survival is crucial for developing effective therapies. The Notch, Hedgehog, and Wnt/beta-Catenin developmental pathways, which are essential for self-renewal and differentiation of normal stem cells, have been identified as important regulators of osteosarcoma CSCs and also in the resistance to anticancer therapies. Targeting these pathways and their interactions with embryonic markers and the tumor microenvironment may be a promising therapeutic strategy to overcome chemoresistance and improve the prognosis for osteosarcoma patients. This review focuses on the role of Notch, Hedgehog, and Wnt/beta-Catenin signaling in regulating CSC self-renewal, pluripotency, and chemoresistance, and their potential as targets for anti-cancer therapies. We also discuss the relevance of embryonic markers, including SOX-2, Oct-4, NANOG, and KLF4, in osteosarcoma CSCs and their association with the aforementioned signaling pathways in overcoming drug resistance.
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