Journal
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
Volume 10, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fcell.2022.849962
Keywords
mitochondria; cancer; metastasis; mitochondrial dynamics; fission; fusion
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Mitochondria are highly dynamic organelles that change their shape through fission and fusion processes to adapt to different environments and developmental contexts. Dysregulated fission and fusion promote tumor progression, affecting tumor cell growth, metabolism, motility, and invasion, and impacting metastasis. It has been found that mitochondrial fission positively influences metastatic potential in various types of tumors.
Mitochondria are highly dynamic organelles which can change their shape, via processes termed fission and fusion, in order to adapt to different environmental and developmental contexts. Due to the importance of these processes in maintaining a physiologically healthy pool of mitochondria, aberrant cycles of fission/fusion are often seen in pathological contexts. In this review we will discuss how dysregulated fission and fusion promote tumor progression. We focus on the molecular mechanisms involved in fission and fusion, discussing how altered mitochondrial fission and fusion change tumor cell growth, metabolism, motility, and invasion and, finally how changes to these tumor-cell intrinsic phenotypes directly and indirectly impact tumor progression to metastasis. Although this is an emerging field of investigation, the current consensus is that mitochondrial fission positively influences metastatic potential in a broad variety of tumor types. As mitochondria are now being investigated as vulnerable targets in a variety of cancer types, we underscore the importance of their dynamic nature in potentiating tumor progression.
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