Sodium fluoride induces skeletal muscle atrophy via changes in mitochondrial and sarcomeric proteomes.

{"sci_version": "1.2", "schema": "https://corpus.bntrg.co.uk/sci/1.0/sci.schema.json", "id": "pmid:36548359", "kind": "science-record", "revision": 3, "content_hash": "sha256:1dcbff565b541eb4b0d6807f36f89fbe18bcc0db4a1526dafd5fa7ff0b2e6476", "created_at": "2026-11-01T19:01:04Z", "updated_at": "2026-11-01T22:08:24Z", "generator": {"name": "corpus-assay-engine", "run_id": "reading-sci-2026-11-01"}, "paper": {"state": "complete", "title": "Sodium fluoride induces skeletal muscle atrophy via changes in mitochondrial and sarcomeric proteomes.", "doi": "10.1371/journal.pone.0279261", "pmid": "36548359", "authors": ["Apoorva H Nagendra", "Animikh Ray", "Debajit Chaudhury", "Akash Mitra", "Anu Vinod Ranade", "Bipasha Bose", "Sudheer Shenoy P"], "journal": "PloS one", "year": 2022, "abstract": "Sodium Fluoride (NaF) can change the expression of skeletal muscle proteins. Since skeletal muscle is rich in mitochondrial and contractile (sarcomeric) proteins, these proteins are sensitive to the effects of NaF, and the changes are dose-and time-dependent. In the current study, we have analysed the effect of high concentrations of NaF (80ppm) on mouse skeletal muscle at two different time points, i.e., 15 days and 60 days. At the end of the experimental time, the animals were sacrificed, skeletal muscles were isolated, and proteins were extracted and subjected to bioinformatic (Mass Spectrometric) analysis. The results were analysed based on changes in different mitochondrial complexes, contractile (sarcomeric) proteins, 26S proteasome, and ubiquitin-proteasome pathway. The results showed that the mitochondrial proteins of complex I, II, III, IV and V were differentially regulated in the groups treated with 80ppm of NaF for 15 days and 60 days. The network analysis indicated more changes in mitochondrial proteins in the group treated with the higher dose for 15 days rather than 60 days. Furthermore, differential expression of (sarcomeric) proteins, downregulation of 26S proteasome subunits, and differential expression in proteins related to the ubiquitin-proteasome pathway lead to muscle atrophy. The differential expression might be due to the adaptative mechanism to counteract the deleterious effects of NaF on energy metabolism. Data are available via ProteomeXchange with identifier PXD035014.", "claims": [{"id": "claim-method", "statement": "In the proteomic data all the experiments were performed in triplicates, data were analysed using Pearson’s correlation coefficient between the technical replicates. Fold change was calculated between proteins commonly identified between the 15-day and 60-day samples. 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