2024
DOI: 10.1101/2024.04.24.590938
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Maternal obesity may disrupt offspring metabolism by inducing oocyte genome hyper-methylation via increased DNMTs

Shuo Chao,
Jun Lu,
Li-Jun Li
et al.

Abstract: Maternal obesity has deleterious effects on oocyte genome methylation establishment, yet the underlying mechanisms remain unclear. In the present study, we first find that maternal obesity induced by high-fat diet (HFD) disturbs genomic methylation in oocytes, and at least a part of the altered methylation is transmitted to F2 oocytes and livers via females. We further identified that altered metabolites such as methionine and melatonin may play a key role in the re-methylation establishment in oocytes of obes… Show more

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