Integrin alpha 6 regulates glioblastoma stem cells.
Integrin alpha 6 regulates glioblastoma stem cells.
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DOI:
10.1016/j.stem.2010.02.018
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发表时间:
2010-05-07
期刊:
影响因子:
23.9
通讯作者:
Rich JN
中科院分区:
文献类型:
--
作者:
Lathia JD;Gallagher J;Heddleston JM;Wang J;Eyler CE;Macswords J;Wu Q;Vasanji A;McLendon RE;Hjelmeland AB;Rich JN
Cancer stem cells (CSCs) are a subpopulation of tumor cells suggested to be critical for tumor maintenance, metastasis, and therapeutic resistance. Prospective identification and targeting of CSCs are therefore priorities for the development of novel therapeutic paradigms. While CSC enrichment has been achieved with cell surface proteins including CD133 (Prominin-1), the roles of current CSC markers in tumor maintenance remain unclear. We examined the glioblastoma stem cell (GSC) perivascular microenvironment in patient specimens to identify enrichment markers with a functional significance and identified integrin α6 as a candidate. Integrin α6 is co-expressed with conventional GSC markers and enriches for GSCs. Targeting integrin α6 in GSCs inhibits self-renewal, proliferation, and tumor formation capacity. Our results provide evidence that GSCs express high levels of integrin α6, which can not only serve as an enrichment marker but also as a promising anti-glioblastoma therapy.
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