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The influence of vitamin A on the binding properties of hepatic glucocorticoid receptors (GR) was studied in young rats 7 weeks after they had been given a diet with or without vitamin A. Scatchard analysis showed an increased capacity of cytosolic GRs to bind dexamethasone in vitamin A deficiency.
Vitamin A (retinol) and its analogs (retinoids) are important regulators of cell proliferation, differentiation, immune function, and apoptosis. The kidneys are target organs for vitamin A action. Retinoic acid (RA), a vitamin A metabolite, is involved in embryonic kidney patterning through the
Mutations or rearrangements in the gene encoding the receptor tyrosine kinase RET result in Hirschsprung disease, cancer and renal malformations. The standard model of renal development involves reciprocal signaling between the ureteric bud epithelium, inducing metanephric mesenchyme to