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Article Abstract
Overweight and obesity during critical periods, gestation and/or lactation, can harm offspring metabolic health. Maternal obesogenic diets may program offspring long-term, impairing physiology and increasing risk for insulin resistance. A key mechanism is the reduced expression/activity of insulin signaling proteins in peripheral glucose-metabolizing tissues. This systematic review examined the impact of maternal obesogenic diets on insulin resistance in the offspring of rats, through modulation of insulin signaling proteins in skeletal muscle, liver, and white adipose tissue. Searches in LILACS, PubMed, Web of Science, Scopus, and Sigle via Opera Gray yielded 2212 studies; 43 met inclusion criteria, following a PROSPERO-registered protocol. Findings showed reduced expression and activity of IRS-1, PI3K, AKT and GLUTs in peripheral tissues, alongside increased body weight, glucose intolerance, and insulin resistance. Thus, maternal obesogenic diets impair insulin signaling and related metabolic outcomes in offspring.
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| http://dx.doi.org/10.1016/j.lfs.2025.123947 | DOI Listing |
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