Genomics

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Short-term diet intervention alters the small non coding RNA (sncRNA) landscape of human sperm


ABSTRACT: Offspring health outcomes are often linked with epigenetic alterations triggered by maternal nutrition and intrauterine environment. Strong experimental data also link paternal preconception nutrition with pathophysiology in the offspring, but the mechanism(s) routing effects of paternal exposures remain elusive. Animal experimental models have highlighted small non-coding RNAs (sncRNAs) as potential regulators of these effects. This study characterised the baseline sncRNA landscape of human sperm and the effect of a 6 week dietary intervention on their expression profile. 5’tRFs, miRNA and piRNAs were the most abundant sncRNA subtypes identified; their expression was associated with age, BMI and sperm quality. Nutritional intervention with vitamin D and omega-3 fatty acids altered expression of 3 tRFs, 15 miRNAs and 112 piRNAs, targeting genes involved in fatty acid metabolism and transposable elements in the sperm genome.

ORGANISM(S): Homo sapiens

PROVIDER: GSE159752 | GEO | 2021/10/31

REPOSITORIES: GEO

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