Cited by 1,014Mitochondrial Function and PathologyCytokine Signaling Pathways and InteractionsMetabolism, Diabetes, and Cancer

The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.

Function of Mitochondrial Stat3 in Cellular Respiration

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Abstract

Cytokines such as interleukin-6 induce tyrosine and serine phosphorylation of Stat3 that results in activation of Stat3-responsive genes. We provide evidence that Stat3 is present in the mitochondria of cultured cells and primary tissues, including the liver and heart. In Stat3 –/– cells, the activities of complexes I and II of the electron transport chain (ETC) were significantly decreased. We identified Stat3 mutants that selectively restored the protein's function as a transcription factor or its functions within the ETC. In mice that do not express Stat3 in the heart, there were also selective defects in the activities of complexes I and II of the ETC. These data indicate that Stat3 is required for optimal function of the ETC, which may allow it to orchestrate responses to cellular homeostasis.

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Metadata

Authors
Wegrzyn, J., Potla, R., Chwae, Y.-J., Sepuri, N. B. V., Zhang, Q., Koeck, T., Derecka, M., Szczepanek, K., Szelag, M., Gornicka, A., Moh, A., Moghaddas, S., Chen, Q., Bobbili, S., Cichy, J., Dulak, J., Baker, D. P., Wolfman, A., Stuehr, D., Hassan, M. O., Fu, X.-Y., Avadhani, N., Drake, J. I., Fawcett, P., Lesnefsky, E. J., & Larner, A. C.
Affiliations
  • Department of Biochemistry and Molecular Biology and Massey Cancer Center, Virginia Commonwealth University, Richmond, VA 23298, USA.
  • Cleveland State University (US)
Corresponding author
  • Potla, Ramesh
  • Larner, Andrew C.
Venue
Science
Published
2009-02-06
Volume
323
Issue
5915
Pages
793-797
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2042503285
Cited by
1,014
References
14
Citations by year
2026: 41 · 2025: 37 · 2024: 44 · 2023: 66 · 2022: 65 · 2021: 78 · 2020: 57 · 2019: 62 · 2018: 58 · 2017: 60 · 2016: 54 · 2015: 57 · 2014: 61 · 2013: 62 · 2012: 82
FWCI
28.42
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • AJOU Open Repository (Ajou University) (submittedVersion)
  • Jagiellonian University Repository (Jagiellonian University) (submittedVersion, cc-by-nc-nd)
  • IUScholarWorks (Indiana University) (submittedVersion)
Funders
  • National Institute on Aging (P01-AG15885, P01AG015885)
  • National Cancer Institute (R01CA098924, CA098924)
  • National Institute of Allergy and Infectious Diseases (R01AI059710)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Immunology and Microbiology › Immunology › Cytokine Signaling Pathways and Interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
STAT3, mitochondrial STAT3, cellular respiration, electron transport chain, complex I, complex II, heart, liver, interleukin-6, cytokine signaling, transcription factors
MeSH terms
Animals, Cells, Cultured, Homeostasis, Mitochondria, Mitochondria, Heart, Mitochondria, Liver, NADH, NADPH Oxidoreductases, Oxidative Phosphorylation, Phosphorylation, Serine, Signal Transduction, Cell Respiration, Electron Transport Complex II, Electron Transport Complex I, STAT3 Transcription Factor, Mitochondrial Membranes, Mice, Precursor Cells, B-Lymphoid

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