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The role of autophagy in regulating metabolism in the tumor microenvironment

REVIEW ARTICLE

The role of autophagy in regulating metabolism in the tumor microenvironment

Panpan Zhang
Shanshan Cheng
Xiaonan Sheng
Huijuan Dai
Kang He
Yueyao Du
Genes & Diseases第10卷, 第2期pp.447-456纸质出版 2023-03-01在线发表 2021-12-03
128702

Autophagy, as a special programmed cell death, is a critical degradative process that eliminates intracellular abnormal proteins or damage organelles to balance cell energy and favor cell metabolism with autophagy-related (ATG) proteins. Autophagy activation is being increasingly recognized as an essential hallmark in tumorigenesis through influencing the metabolism of stromal cells in the tumor microenvironment (TME) which comprises of tumor cells, cancer-associated fibroblasts (CAFs), cancer-associated endothelial cells (CAEs), immune cells and adipocytes. Tumor cells can reuse autophagy-involved recycling to maintain mitochondrial function and energy supply to meet the metabolic demand of their growth and proliferation. However, the mechanism through which autophagy can promote a crosstalk between tumor and stroma cells is not clear. Reprogramed metabolism is one of the main characteristics of TME leading to higher adaptability of tumor cells with diverse mechanisms. The activation of autophagy has expanded our understanding on the interaction between tumor metabolism and TME. The aim of this review is to report recent advances on the metabolic cross-talk between stromal cells and solid tumor cells induced by autophagy in TME and revealed potential therapeutic targets.

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AutophagyMetabolismTherapeutic targetsTumorTumor microenvironment