Abstract
The challenges of understanding the complex role of the multifaceted and heterogenous cellular organelles, mitochondria, can be potentially overcome with their quantitative analyses. We use a combinatorial approach of quantitative analyses of single-mitochondrial-components and scRNA-seq to elucidate a mechanism of mitochondrial priming of cancer initiation by a model carcinogen. We propose that conversion of large Hyperfused-Mitochondrial-Networks (HMNs) to Small-Mitochondrial-Networks (SMNs) primes non-transformed keratinocytes towards their neoplastic transformation. Mechanistically, the SMNs, enriched by modulation of the physical nodes and edges of mitochondrial networks, tunes mitochondrial redox balance to establish transcriptomic interactions towards specifying a state of stemness. Further probing of our fundamental findings in the light of cancer heterogeneity may facilitate refinement of the various proposed mitochondria based targeted cancer therapies.
Published Version
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