Journal
BIOLOGY OF THE NEONATE
Volume 80, Issue 3, Pages 239-246Publisher
KARGER
DOI: 10.1159/000047150
Keywords
fetal development; nutrition; kidney; renal hemodynamics; blood pressure
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Number of nephrons, renal hemodynamics, and glomerular morphometry were assessed in rats submitted to a multideficient diet which was developed from a basic regional diet consumed in a Brazilian region of sugarcane cultivation. We evaluated three groups of male Wistar rat offspring: (1) from dams fed a standard diet throughout mating, pregnancy and lactation (control group) and (2) from dams fed the multideficient diet during mating and pregnancy (MalN1 group) or (3) throughout mating, pregnancy, and lactation (MalN2 group). At adult age, the animals were anesthetized to measure mean arterial blood pressure and renal hemodynamics. The MalN1 group, as compared with the control group, showed unaltered body and kidney weights, nephron deficiency, a high mean arterial blood pressure, glomerular hypertrophy, and renal vasoconstriction. The MalN2 group showed the same nephron deficiency and mean arterial blood pressure levels as the MaIN1 group. These animals exhibited lower body and kidney weights and no glomerular hypertrophy. In conclusion, the alterations induced by intrauterine malnutrition are compatible with the development of chronic renal failure. Copyright (C) 2001 S. Karger AG, Basel.
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