Cited by 37Mitochondrial Function and PathologyNF-κB Signaling PathwaysCell death mechanisms and regulation

Transcription factor NF-kappa B represses ANT1 transcription and leads to mitochondrial dysfunctions

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Zhang, Chen, Jiang, Hui, Wang, Pin, Liu, Heng, Sun, Xiulian·2017·Scientific Reports

Abstract

Mitochondria are intracellular organelles involved in cell survival and death, and dysfunctions of mitochondria are related to neurodegenerative diseases. As the most abundant protein in the mitochondrial inner membrane, adenine nucleotide translocator 1 (ANT1) plays a critical role in mitochondrial function, including the exchange of adenosine triphosphate/adenosine diphosphate (ATP/ADP) in mitochondria, basal proton leak and mitochondrial permeability transition pore (mPTP). Here, we show that ANT1 transcription is regulated by transcription factor NF-kappa B (NF-κB). NF-κB is bound to two NF-κB responsive elements (NREs) located at +1 to +20 bp and +41 to +61 bp in the ANT1 promoter. An NF-κB signalling stimulator, tumour necrosis factor alpha (TNFα), suppresses ANT1 mRNA and protein expression. Activation of NF-κB by TNFα impairs ATP/ADP exchange and decreases ATP production in mitochondria. Activation of NF-κB by TNFα decreases calcium induced mPTP opening, elevates mitochondrial potential and increases reactive oxygen species (ROS) production in both T98G human glioblastoma cells and rat cortical neurons. These results demonstrate that NF-κB signalling may repress ANT1 gene transcription and impair mitochondrial functions.

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  • Activated NFkB can bind to two response elements within the gene promoter of ANT-1, resulting in reduced expression and concomitant decline in mitochondrial ATP production in human glioblastoma cells.

    “recent work in human glioblastoma cells has highlighted that activated NFkB can bind to two response elements within the gene promoter of the ADP/ATP translocase, ANT-1, resulting in its reduced expression and concomitant decline in mitochondrial ATP production [48].”

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Authors
Zhang, C., Jiang, H., Wang, P., Liu, H., & Sun, X.
Affiliations
  • Qilu Hospital of Shandong University (CN)
  • Shandong University (CN)
Corresponding author
Sun, Xiulian
Venue
Scientific Reports
Published
2017-03-20
Volume
7
Issue
1
Pages
44708-44708
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2602809814
Cited by
37
References
57
Citations by year
2026: 1 · 2025: 2 · 2024: 5 · 2023: 1 · 2022: 3 · 2021: 7 · 2020: 8 · 2019: 5 · 2018: 5
FWCI
2.01
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (81322014)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
Keywords
NF-κB, ANT1, transcriptional repression, mitochondrial dysfunction, TNF-α, promoter regulation, ADP/ATP exchange, mitochondrial permeability transition pore, reactive oxygen species, mitochondrial membrane potential, glioblastoma cells, cortical neurons, neurodegenerative diseases
MeSH terms
Mitochondrial Permeability Transition Pore, Adenosine Diphosphate, Adenosine Triphosphate, Base Sequence, Calcium, Humans, Mitochondria, Promoter Regions, Genetic, Transcription, Genetic, NF-kappa B, Reactive Oxygen Species, Response Elements, Mitochondrial Membrane Transport Proteins, Adenine Nucleotide Translocator 1, Membrane Potential, Mitochondrial, HEK293 Cells

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