{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T03:38:41Z","timestamp":1790912321282,"version":"4.1.0"},"reference-count":123,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2026,3,3]],"date-time":"2026-03-03T00:00:00Z","timestamp":1772496000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Genomics and DNA Sequencing Laboratory, Kemerovo State University","award":["594\/10"],"award-info":[{"award-number":["594\/10"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>The citric acid cycle disruptions are implicated in the pathogenesis of chronic diseases, including diabetes, obesity, cancer, and cardiovascular conditions. Numerous publications link TCA cycle disorders to oncological, neurodegenerative, and osteoporotic diseases, and specific single-nucleotide polymorphisms have been proposed as potential markers. Nevertheless, lifestyle and diet have been strongly linked to risk factors for mitochondrial dysfunction; thus, preventive measures that minimize these risks are a relevant field of research. This review summarizes 45 years of relevant publications on the TCA cycle, its genetics and epigenetics, and the restorative potential of certain nutrients. The review includes articles in English and Russian, registered in PubMed, Elsevier, eLIBRARY.RU. The genes encoding the TCA cycle enzymes have been collected and presented. Information is provided that a number of changes in the expression of these genes, for example, Arg18Trp, Ser87Leu, Ala252Thr, and Leu357Val of the ACO2 gene, leads to the development of neurodegenerative diseases; mutations rs121913499, rs121913500 in the IDH1, IDH2 genes, rs1270341616 and the DLST gene lead to the development of cancer. There is evidence that through epigenetic modifications, nutrition affects the activity of the TCA cycle. Niacin, \u03b1-lipoic acid, succinic acid, resveratrol, curcumin, arginine, leucine, quercetin, ursolic acid, and alternol affect the regulation of the TCA cycle at the genetic level. Further research into the effects of plant metabolites, vitamins, and bioactive supplements on the TCA cycle may improve the existing preventative and therapeutic diets.<\/jats:p>","DOI":"10.3390\/ijms27052360","type":"journal-article","created":{"date-parts":[[2026,3,3]],"date-time":"2026-03-03T14:42:47Z","timestamp":1772548967000},"page":"2360","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Citric Acid Cycle Genes and Nutrigenetics"],"prefix":"10.3390","volume":"27","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4552-7418","authenticated-orcid":false,"given":"Anna","family":"Vesnina","sequence":"first","affiliation":[{"name":"DNA Sequencing and Genomics Laboratory, Kemerovo State University, Krasnaya Street, 6, Kemerovo 650043, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2960-0216","authenticated-orcid":false,"given":"Oksana","family":"Kozlova","sequence":"additional","affiliation":[{"name":"Food Technology Institute, Kemerovo State University, Kemerovo 650043, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1252-9572","authenticated-orcid":false,"given":"Svetlana","family":"Ivanova","sequence":"additional","affiliation":[{"name":"Institute of NBICS-Technologies, Kemerovo State University, Krasnaya Street, 6, Kemerovo 650043, Russia"},{"name":"Department of TNSMD Theory and Methods, Kemerovo State University, Krasnaya Street, 6, Kemerovo 650043, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5630-3196","authenticated-orcid":false,"given":"Alexander","family":"Prosekov","sequence":"additional","affiliation":[{"name":"Laboratory of Biocatalysis, Kemerovo State University, Krasnaya Street, 6, Kemerovo 650043, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,3,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"375","DOI":"10.14341\/DM13032","article-title":"Nobel prize winners in metabolism history and diabetology","volume":"26","author":"Erikenova","year":"2023","journal-title":"Diabetes Mellit."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"102838","DOI":"10.1016\/j.jbc.2022.102838","article-title":"Regulation and function of the mammalian tricarboxylic acid cycle","volume":"299","author":"Arnold","year":"2023","journal-title":"J. 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