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Mitochondrial NME6 Influences Basic Cellular Processes in Tumor Cells In Vitro
Bastien Proust1, Anđela Horvat1, Ana Tadijan1
1Division of Molecular Medicine, Ruđer Bošković Institute, Bijenička Cesta 54, 10002 Zagreb, Croatia.
International Journal of Molecular Sciences
|September 14, 2024
Summary
Nucleoside diphosphate kinase 6 (NME6) impacts metastatic breast cancer cell migration and epithelial-mesenchymal transition (EMT) markers. NME6 influences cell cycle distribution after DNA damage but not apoptosis.
Area of Science:
- Molecular Biology
- Cell Biology
- Biochemistry
Background:
- NME6 is a nucleoside diphosphate kinase enzyme family member.
- NME6 localizes to mitochondria and impacts oxidative phosphorylation.
- NME6 interacts with RCC1L, a GTPase involved in mitochondrial translation.
Purpose of the Study:
- To investigate the role of NME6 in fundamental cellular processes.
- To assess the effects of NME6 overexpression and silencing in MDA-MB-231T breast cancer cells.
Main Methods:
- Flow cytometry
- Western blotting
- Wound-healing assay
Main Results:
- NME6 overexpression reduced MDA-MB-231T cell migration.
- NME6 altered epithelial-mesenchymal transition (EMT) marker expression.
- NME6 influenced cell cycle distribution following DNA damage and impacted the MAPK/ERK pathway.
- NME6 did not affect apoptosis.
Conclusions:
- NME6 plays a role in regulating cell migration and EMT.
- NME6's influence on cell cycle is DNA damage-dependent.
- NME6 impacts the MAPK/ERK signaling pathway.
- Further research is warranted to elucidate NME6's specific functions.
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