期刊
BIOMEDICINES
卷 10, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/biomedicines10030707
关键词
ER-phagy; unfolded protein response; apoptosis; cancer
资金
- National Key Research and Development Program of China [2016YFA0201504]
- National Natural Science Foundation of China [81473249, 81102464]
- National Mega-project for Innovative Drugs [2014ZX09201042]
- CAMS Innovation Fund for Medical Sciences (CIFMS) [2021-I2M-1-030]
- Drug Innovation Major Project of China [2018ZX09711001-007-002]
This article comprehensively introduces the relationship between ER-phagy and cancer, as well as their molecular mechanism and regulatory pathways. The study finds that ER-phagy plays a significant role in tumor occurrence and maintenance, and may serve as a potential target for cancer therapy.
As an organelle, the endoplasmic reticulum (ER) is closely related to protein synthesis and modification. When physiological or pathological stimuli induce disorders of ER function, misfolded proteins trigger ER-phagy, which is beneficial for restoring cell homeostasis or promoting cell apoptosis. As a double-edged sword, ER-phagy actively participates in various stages of development and progression in tumor cells, regulating tumorigenesis and maintaining tumor cell homeostasis. Through the unfolded protein response (UPR), the B cell lymphoma 2 (BCL-2) protein family, the Caspase signaling pathway, and others, ER-phagy plays an initiating role in tumor occurrence, migration, sternness, and proliferation. At the same time, many vital proteins strongly associated with ER-phagy, such as family with sequence similarity 134 member B (FAM134B), translocation protein SEC62 (SEC62), and C/EBP-homologous protein (CHOP), can produce a marked effect in many complex environments, which ultimately lead to entirely different tumor fates. Our article comprehensively focused on introducing the relationship and interaction between ER-phagy and cancers, as well as their molecular mechanism and regulatory pathways. Via these analyses, we tried to clarify the possibility of ER-phagy as a potential target for cancer therapy and provide ideas for further research.
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