小胶质细胞
胶质瘤
免疫系统
基质
肿瘤进展
生物
癌症
神经科学
癌症研究
炎症
肿瘤微环境
免疫学
免疫组织化学
遗传学
作者
Dolores Hambardzumyan,David H. Gutmann,Helmut Kettenmann
摘要
There is a growing recognition that gliomas are complex tumors composed of neoplastic and non-neoplastic cells, which each individually contribute to cancer formation, progression and response to treatment. The majority of the non-neoplastic cells are tumor-associated macrophages (TAMs), either of peripheral origin or representing brain-intrinsic microglia, that create a supportive stroma for neoplastic cell expansion and invasion. TAMs are recruited to the glioma environment, have immune functions, and can release a wide array of growth factors and cytokines in response to those factors produced by cancer cells. In this manner, TAMs facilitate tumor proliferation, survival and migration. Through such iterative interactions, a unique tumor ecosystem is established, which offers new opportunities for therapeutic targeting.
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