ArticleInternational journal of molecular sciences2020
The Subcellular Localization and Oligomerization Preferences of NME1/NME2 upon Radiation-Induced DNA Damage.
Article in International journal of molecular sciences, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 16 citations in OpenAlex.
- Laminaria japonica Polysaccharide Alleviates Radiation-Induced Salivary Gland Injury by Promoting DNA Damage Repair.International dental journal · 2026Article
- NucleariScience · 2024Article
- Glaucoma-Associated CDR1 Peptide Promotes RGC Survival in Retinal Explants through Molecular Interaction with Acidic Leucine Rich Nuclear Phosphoprotein 32A (ANP32A).Biomolecules · 2023Article
- Transfection of Sponge Cells and Intracellular Localization of Cancer-Related MYC, RRAS2, and DRG1 Proteins.Marine drugs · 2023Article
- p53 Family in Resistance to Targeted Therapy of Melanoma.International journal of molecular sciences · 2022Review
- Characterization of Vemurafenib-Resistant Melanoma Cell Lines Reveals Novel Hallmarks of Targeted Therapy Resistance.International journal of molecular sciences · 2022Article
- The Complex Functions of the NME Family-A Matter of Location and Molecular Activity.International journal of molecular sciences · 2021Article
- NME6 is a phosphotransfer-inactive, monomeric NME/NDPK family member and functions in complexes at the interface of mitochondrial inner membrane and matrix.Cell & bioscience · 2021Article
- Overexpression of Phosphoribosyl Pyrophosphate Synthase Enhances Resistance ofFrontiers in plant science · 2021Article
- NME/NM23/NDPK and Histidine Phosphorylation.International journal of molecular sciences · 2020Review
- Role of Trypanosoma cruzi nucleoside diphosphate kinase 1 in DNA damage responses.Memorias do Instituto Oswaldo Cruz · 2020Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nucleoside diphosphate kinases (NDPK/NME/Nm23) are enzymes composed of subunits NME1/NDPK A and NME2/NDPK B, responsible for the maintenance of the cellular (d)NTP pool and involved in other cellular processes, such as metastasis suppression and DNA damage repair. Although eukaryotic NDPKs are active only as hexamers, it is unclear whether other NME functions require the hexameric form, and how the isoenzyme composition varies in different cellular compartments. To examine the effect of DNA damage on intracellular localization of NME1 and NME2 and the composition of NME oligomers in the nucleus and the cytoplasm, we used live-cell imaging and the FRET/FLIM technique. We showed that exogenous NME1 and NME2 proteins co-localize in the cytoplasm of non-irradiated cells, and move simultaneously to the nucleus after gamma irradiation. The FRET/FLIM experiments imply that, after DNA damage, there is a slight shift in the homomer/heteromer balance between the nucleus and the cytoplasm. Collectively, our results indicate that, after irradiation, NME1 and NME2 engage in mutual functions in the nucleus, possibly performing specific functions in their homomeric states. Finally, we demonstrated that fluorophores fused to the N-termini of NME polypeptides produce the largest FRET effect and thus recommend this orientation for use in similar studies.
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