4.8 Review

Targeting lipid metabolism reprogramming of immunocytes in response to the tumor microenvironment stressor: A potential approach for tumor therapy

期刊

FRONTIERS IN IMMUNOLOGY
卷 13, 期 -, 页码 -

出版社

FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2022.937406

关键词

tumor microenvironment; lipid metabolism reprogramming; immunocyte; immunotherapy; immunometabolism

资金

  1. National Natural Science Foundation of China
  2. Henan Provincial Science and Technology Research Project
  3. [81901571]
  4. [222102310564]
  5. [SBGJ202103056]

向作者/读者索取更多资源

The tumor microenvironment (TME) plays a critical role in tumor development and immunocyte function. This review focuses on the recent progress in understanding the lipid metabolism reprogramming in immunocytes within the TME. It discusses the potential target molecules, pathways, and genes involved, as well as the impact of hypoxia on abnormal lipid metabolism in immune cells. Furthermore, the review explores the current immunotherapies that mediate the lipid metabolism of immunocytes and proposes new strategies for cancer therapy.
The tumor microenvironment (TME) has become a major research focus in recent years. The TME differs from the normal extracellular environment in parameters such as nutrient supply, pH value, oxygen content, and metabolite abundance. Such changes may promote the initiation, growth, invasion, and metastasis of tumor cells, in addition to causing the malfunction of tumor-infiltrating immunocytes. As the neoplasm develops and nutrients become scarce, tumor cells transform their metabolic patterns by reprogramming glucose, lipid, and amino acid metabolism in response to various environmental stressors. Research on carcinoma metabolism reprogramming suggests that like tumor cells, immunocytes also switch their metabolic pathways, named immunometabolism, a phenomenon that has drawn increasing attention in the academic community. In this review, we focus on the recent progress in the study of lipid metabolism reprogramming in immunocytes within the TME and highlight the potential target molecules, pathways, and genes implicated. In addition, we discuss hypoxia, one of the vital altered components of the TME that partially contribute to the initiation of abnormal lipid metabolism in immune cells. Finally, we present the current immunotherapies that orchestrate a potent antitumor immune response by mediating the lipid metabolism of immunocytes, highlight the lipid metabolism reprogramming capacity of various immunocytes in the TME, and propose promising new strategies for use in cancer therapy.

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