{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T04:36:15Z","timestamp":1790742975943,"version":"4.1.0"},"reference-count":61,"publisher":"American Physiological Society","issue":"2","funder":[{"DOI":"10.13039\/100006383","name":"Children's Hospital Colorado Research Institute","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100006383","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Primary Children's Hospital Foundation"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American Journal of Physiology-Heart and Circulatory Physiology"],"published-print":{"date-parts":[[2019,8,1]]},"abstract":"<jats:p> Intrauterine growth restriction (IUGR) and maternal high-fat diet (HFD) independently predispose offspring to hypertension. In a rat model, IUGR more so than maternal HFD increases arterial stiffness with vascular remodeling as early as postnatal day (PND) 21. The trajectory of such early vascular changes remains unknown. We hypothesized that IUGR would increase blood pressure (BP), arterial stiffness, and markers of ongoing detrimental vascular remodeling in adult rats exposed to a maternal HFD regardless of weaning diet. Adult female rats were fed either a regular diet (RD) or an HFD before mating through lactation. IUGR was induced by uterine artery ligation. Offspring were weaned to either a RD or HFD through PND 60. For both control and IUGR rats, this design resulted in the following three diet groups: offspring from RD dams weaned to a RD and offspring from HFD dams weaned to a RD or to an HFD (IHH). In both males and females, only IHH increased systolic BP, but IUGR and HFD both alone and in combination increased arterial stiffness. Aortas contained fewer but thicker elastin bands in IHH rats and IUGR offspring from dams fed an HFD and weaned to a regular diet. IHH increased aortic lysl oxidase protein. In summary, the PND 21 rat mediators of vascular remodeling from IUGR and maternal HFD normalize by PND 60 while changes in elastin and arterial stiffness persist. We speculate that the longer-term risk of hypertension from dietary mediators is augmented by underlying IUGR-induced structural changes to the extracellular matrix. <\/jats:p><jats:p> NEW &amp; NOTEWORTHY We report that a combined insult of intrauterine growth restriction and maternal high-fat diet increases the risk of early cardiovascular pathology both independently and in conjunction with a continued high-fat diet in offspring. <\/jats:p>","DOI":"10.1152\/ajpheart.00127.2019","type":"journal-article","created":{"date-parts":[[2019,6,21]],"date-time":"2019-06-21T14:54:26Z","timestamp":1561128866000},"page":"H424-H433","source":"Crossref","is-referenced-by-count":11,"title":["Impact of diet on the persistence of early vascular remodeling and stiffening induced by intrauterine growth restriction and a maternal high-fat diet"],"prefix":"10.1152","volume":"317","author":[{"given":"Thomas A.","family":"Miller","sequence":"first","affiliation":[{"name":"Department of Pediatrics, University of Utah, Salt Lake City, Utah"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R. 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