Cellular adaptations to oxidative phosphorylation defects in cancer

Sarika Srivastava, Carlos T Moraes

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Mitochondrial DNA (mtDNA) somatic mutations or mutations in nuclear genes encoding mitochondrial proteins important for the assembly, activity, or maintenance of the individual oxidative phosphorylation (OXPHOS) complexes have been observed in tumors. Although the functional consequence of such mutations is unclear at the moment, retrograde signaling in response to OXPHOS defects can activate various nuclear genes and signaling pathways that alter mitochondrial function, tumor invasion, metastasis, redox-sensitive pathways, programmed cell death pathways, calcium signaling pathways, and cellular pathways leading to global changes in cellular morphology and architecture. In addition, we have found that some cancer cell lines harboring deleterious mtDNA mutations upregulate the expression of members of the peroxisome-proliferator activated γ coactivator 1 family of coactivators, probably to sustain the necessary ATP production for cell proliferation. In this chapter, we describe such cellular adaptations and changes in response to OXPHOS defects that are associated with a variety of cancer cell types.

Original languageEnglish
Title of host publicationCellular Respiration and Carcinogenesis
PublisherHumana Press
Pages55-72
Number of pages18
ISBN (Print)9781934115077
DOIs
StatePublished - Dec 1 2009

Fingerprint

Oxidative Phosphorylation
Mitochondrial DNA
Defects
Mutation
Tumors
Cells
Peroxisome Proliferators
Neoplasms
Gene encoding
Mitochondrial Proteins
Cell proliferation
Cell death
Calcium Signaling
Genes
Adenosine Triphosphate
Oxidation-Reduction
Calcium
Cell Death
Up-Regulation
Maintenance

Keywords

  • Cancer
  • Mitochondria
  • mtDNA
  • OXPHOS
  • Retrograde signaling

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Srivastava, S., & Moraes, C. T. (2009). Cellular adaptations to oxidative phosphorylation defects in cancer. In Cellular Respiration and Carcinogenesis (pp. 55-72). Humana Press. https://doi.org/10.1007/978-1-59745-435-3_5

Cellular adaptations to oxidative phosphorylation defects in cancer. / Srivastava, Sarika; Moraes, Carlos T.

Cellular Respiration and Carcinogenesis. Humana Press, 2009. p. 55-72.

Research output: Chapter in Book/Report/Conference proceedingChapter

Srivastava, S & Moraes, CT 2009, Cellular adaptations to oxidative phosphorylation defects in cancer. in Cellular Respiration and Carcinogenesis. Humana Press, pp. 55-72. https://doi.org/10.1007/978-1-59745-435-3_5
Srivastava S, Moraes CT. Cellular adaptations to oxidative phosphorylation defects in cancer. In Cellular Respiration and Carcinogenesis. Humana Press. 2009. p. 55-72 https://doi.org/10.1007/978-1-59745-435-3_5
Srivastava, Sarika ; Moraes, Carlos T. / Cellular adaptations to oxidative phosphorylation defects in cancer. Cellular Respiration and Carcinogenesis. Humana Press, 2009. pp. 55-72
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