Journal
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
Volume 10, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fcell.2022.1065702
Keywords
BCL-RAMBO; apoptosis; mitochondrial fragmentation; mitophagy; cell death; phosphorylation; miRNAs
Categories
Funding
- Japan Society for the Promotion of Science (JSPS) KAKENHI
- [19H02885]
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Mitochondria play a crucial role in cellular stress responses, regulating cell death through fission and fusion cycles and mitophagy. BCL-RAMBO, a member of the BCL-2 family proteins, not only regulates apoptosis signaling at mitochondria but also serves as a mitophagy receptor, controlling mitochondrial fragmentation and mitophagy.
Mitochondria play an essential role in the regulation of cellular stress responses, including cell death. Damaged mitochondria are removed by fission and fusion cycles and mitophagy, which counteract cell death. BCL-2 family proteins possess one to four BCL-2 homology domains and regulate apoptosis signaling at mitochondria. BCL-RAMBO, also known as BCL2-like 13 (BCL2L13), was initially identified as one of the BCL-2 family proteins inducing apoptosis. Mitophagy receptors recruit the ATG8 family proteins MAP1LC3/GABARAP via the MAP1LC3-interacting region (LIR) motif to initiate mitophagy. In addition to apoptosis, BCL-RAMBO has recently been identified as a mitophagy receptor that possesses the LIR motif and regulates mitochondrial fragmentation and mitophagy. In the 20 years since its discovery, many important findings on BCL-RAMBO have been increasingly reported. The biological properties of BCL-RAMBO are reviewed herein.
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