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Influence of fetal environment on kidney development
1Unité de Recherche sur le Développement Normal et Pathologique des Fonctions Epithéliales, INSERM U319, Université Paris 7-Denis Diderot, France. benichou@Paris7.jussieu.fr
The International Journal of Developmental Biology
|October 27, 1999
Summary
Maternal vitamin A deficiency during pregnancy can lead to fewer nephrons in developing kidneys. This inborn nephron deficit may contribute to chronic kidney disease and hypertension later in life.
Area of Science:
- Developmental biology
- Nephrology
- Nutritional science
Background:
- Fetal environment significantly impacts renal development.
- Maternal factors like hyperglycemia and drug exposure can alter nephrogenesis.
- Variations in fetal vitamin A supply are implicated in nephron number differences.
Purpose of the Study:
- To investigate the role of fetal vitamin A status in renal development.
- To explore the link between vitamin A deficiency and inborn nephron deficit.
- To assess the potential influence of vitamin A on renal vascular development and chronic kidney disease programming.
Main Methods:
- Review of existing evidence, primarily from animal studies.
- Analysis of factors affecting fetal renal development.
- Correlation of vitamin A status with nephron number variations.
Main Results:
- Low fetal vitamin A status is a potential cause of inborn nephron deficit.
- This deficit can occur with or without intrauterine growth retardation.
- Vitamin A status may also influence fetal renal vascular development.
Conclusions:
- Reduced fetal vitamin A supply may be a key factor in intrauterine programming of chronic kidney disease.
- Low vitamin A status could contribute to the development of hypertension.
- Further research is needed to confirm these findings in human populations.