{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T06:55:41Z","timestamp":1763621741358,"version":"3.40.4"},"reference-count":31,"publisher":"S. Karger AG","license":[{"start":{"date-parts":[[2024,9,23]],"date-time":"2024-09-23T00:00:00Z","timestamp":1727049600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2024,9,23]],"date-time":"2024-09-23T00:00:00Z","timestamp":1727049600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am J Nephrol"],"abstract":"<jats:p>Introduction: Moderate vitamin A levels during pregnancy are strongly related to normal embryonic development in both animal models and population studies. Abnormal development of urinary tract system is linked to either an excess or a shortage of vitamin A. The relationships among maternal vitamin A deficiency prior to conception, moderate vitamin A supplementation during pregnancy, and abnormal urinary system development in offspring are unclear. Methods: By creating preconception and preconception + pregnancy vitamin A insufficiency mouse models, we investigated whether moderate vitamin A treatment during pregnancy may reduce the prevalence of CAKUT and increase distant vitamin A levels in offspring, as well as any potential pathways involved. Results: We effectively established a prepregnancy vitamin A-deficient mouse model by providing a particular diet with or without vitamin A for 4 weeks. The offspring of the hypovitaminosis A model group presented a greater proportion of neonatal urinary tract developmental malformations. Abnormalities in ureteral bud emergence and key molecules during renal development, such as p-Plc\u03b3 and Ret, may be the primary causes of offspring development of CAKUT as a result of mothers\u2019 hypovitaminosis A. Normal vitamin A diets, on the other hand, may help mitigate the teratogenic consequences of prepregnancy hypovitaminosis A, as well as defects produced by ureteral budding and major molecular changes. Conclusion: In contrast, the administration of normal vitamin A feeds during pregnancy may ameliorate the teratogenic effects of prepregnancy hypovitaminosis A to a certain extent and may also ameliorate the abnormalities associated with ureteral budding and key molecular changes. <\/jats:p>","DOI":"10.1159\/000541289","type":"journal-article","created":{"date-parts":[[2024,9,23]],"date-time":"2024-09-23T16:00:30Z","timestamp":1727107230000},"page":"1-11","source":"Crossref","is-referenced-by-count":3,"title":["Vitamin A Deficiency Disturbs Ret Expression and Induces Urinary Tract Developmental Abnormalities in 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