{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T11:11:44Z","timestamp":1785409904863,"version":"3.56.0"},"reference-count":35,"publisher":"Cambridge University Press (CUP)","license":[{"start":{"date-parts":[[2026,1,6]],"date-time":"2026-01-06T00:00:00Z","timestamp":1767657600000},"content-version":"unspecified","delay-in-days":5,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":["cambridge.org"],"crossmark-restriction":true},"short-container-title":["J Dev Orig Health Dis"],"published-print":{"date-parts":[[2026]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Maternal deficiency of vitamin B12 (B12) is associated with neural tube defects, fetal growth restriction, and future risk of non-communicable disease in the offspring. Little is known about the molecular basis of these associations. We hypothesized that B12 regulates the expression of fetal genes, thereby influencing fetal growth and fetal programming. We investigated the association of B12 and other micronutrient concentrations in the cord blood with gene expression in the cord blood mononuclear cells. We performed a Weighted Gene Co-expression Network Analysis (WGCNA) on cord blood transcriptome of babies born in a pre-conception trial Pune Rural Intervention in Young Adolescents of B12 and multi-micronutrients (MMN). The gene modules (clusters) in WGCNA that showed a significant correlation with cord blood B12 and MMN were subjected to gene ontology (GO) analysis. WGCNA generated 23 different modules. Cord blood B12 concentrations were strongly correlated with modules of genes involved in methylation reactions and gene regulation. Cord B2 concentrations correlated with gene modules associated with demethylation reactions. Vitamins B6 and B9 did not show a unique association either with gene modules or specific GO terms. Our results demonstrate that maternal B12 may regulate expression of fetal genes involved in methylation reaction. This is a novel suggestion for the role of B12 in fetal growth, development, and the Developmental Origins of Health and Disease paradigm.<\/jats:p>","DOI":"10.1017\/s204017442510038x","type":"journal-article","created":{"date-parts":[[2026,1,6]],"date-time":"2026-01-06T08:36:35Z","timestamp":1767688595000},"update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":0,"title":["Vitamin B12 and expression of methylases and demethylases in cord blood: a novel exploratory finding in the Pune Rural Intervention in Young Adolescents (PRIYA) trial"],"prefix":"10.1017","volume":"17","author":[{"given":"Shubhankar","family":"Pawar","sequence":"first","affiliation":[{"name":"Kamalnayan Bajaj Diabetology Research Center"},{"id":[{"id":"https:\/\/ror.org\/005r2ww51","id-type":"ROR","asserted-by":"publisher"}],"name":"Symbiosis International (Deemed 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