{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T02:06:42Z","timestamp":1791252402133,"version":"4.1.0"},"reference-count":58,"publisher":"American Physiological Society","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American Journal of Physiology-Renal Physiology"],"published-print":{"date-parts":[[2009,10]]},"abstract":"<jats:p>Low birth weight is associated with an increased risk of hypertension and renal dysfunction at adulthood. Such an association has been shown to involve a reduction of nephron endowment and to be enhanced by accelerated postnatal growth in humans. However, while low-birth-weight infants often undergo catch-up growth, little is known about the long-term vascular and renal effects of accelerated postnatal growth. We surimposed early postnatal overfeeding (OF; reduction of litter size during the suckling period) to appropriate-birth-weight (NBW+OF) and intrauterine growth restriction (IUGR; IUGR+OF) pups, obtained after a maternal gestational low-protein diet. Blood pressure (systolic blood pressure; SBP) and renal function (glomerular filtration rate; GFR) were measured in young and aging offspring. Glomerulosclerosis and nephron number were determined in aging offspring (22 mo). Nephron number was reduced in both IUGR and IUGR+OF male offspring (by 24 and 26%). GFR was reduced by 40% in 12-mo-old IUGR+OF male offspring, and both NBW+OF and IUGR+OF aging male offspring had sustained hypertension (+25 mmHg) and glomerulosclerosis, while SBP and renal function were unaffected in IUGR aging offspring. Female offspring were unaffected. In conclusion, in this experimental model, early postnatal OF in the neonatal period has major long-lasting effects. Such effects are gender dependent. Reduced nephron number alone, associated with IUGR, may not be sufficient to induce long-lasting physiological alterations, and early postnatal OF acts as a \u201csecond hit.\u201d Early postnatal OF is a suitable model with which to study the long-term effects of postnatal growth in the pathogenesis of vascular disorders and renal disease.<\/jats:p>","DOI":"10.1152\/ajprenal.90704.2008","type":"journal-article","created":{"date-parts":[[2009,8,6]],"date-time":"2009-08-06T00:55:23Z","timestamp":1249520123000},"page":"F943-F951","source":"Crossref","is-referenced-by-count":82,"title":["Early postnatal overfeeding induces early chronic renal dysfunction in adult male rats"],"prefix":"10.1152","volume":"297","author":[{"given":"Farid","family":"Boubred","sequence":"first","affiliation":[{"name":"INSERM UMR608, Facult\u00e9 de Pharmacie, Universit\u00e9 de la M\u00e9diterran\u00e9e,"},{"name":"Division of Neonatology, H\u00f4pital la Conception, Assistance Publique-H\u00f4pitaux de 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