期刊
CELL BIOLOGY INTERNATIONAL
卷 45, 期 10, 页码 2017-2030出版社
WILEY
DOI: 10.1002/cbin.11655
关键词
cancer-associated fibroblast; extracellular matrix; heterogeneity; hypoxia; immunity; normalization; radiotherapy; resistance; stroma; transforming growth factor; tumor metabolism; tumor microenvironment; vascular endothelial growth factor; vasculature
类别
Current research in cancer therapy focuses on reversing abnormalities within the tumor stroma by strategies such as vascular normalization, metabolic modulation, balancing cellular dispersion, and pH and O-2 delivery balance to restore the ecosystem balance for long-lasting effects on tumors.
Current research in cancer therapy aims to exploit efficient strategies to have long-lasting effects on tumors and to reduce or even revoke the chance of recurrence. Within the tumor stroma, O-2 and nutrients are abnormally distributed between various cells (preferentially for supplying cancer cells), the immune contexture is abnormally positioned (permissive essentially for cells exhibiting tumor-promoting capacity), the fibroblast and fibrotic content is abnormally distributed (presence of both extracellular matrix [ECM] stiffening and ECM-degrading factors both for tumor-promoting purposes), and the tumor vasculature is abnormally orchestrated (for hindering drug delivery and increasing the chance of tumor metastasis). Resistance is actually an adaptive response to an imbalance in the tumor ecosystem; thus, the key consideration for effective cancer therapy is to bring back the normal status in this ecosystem so as to reach the desired durable outcome. Vascular normalization, metabolic modulation (glucose delivery in particular), balancing cellular dispersion, and balancing the pH rate and O-2 delivery within the tumor microenvironment are suggested strategies to reverse abnormality within the tumor stroma.
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