Effect of angiotensin II blockade on dietary protein-induced renal growth. 1993

L J Smith, and M E Rosenberg, and T H Hostetter
Department of Medicine, University of Minnesota, Minneapolis 55455.

Dietary protein provokes renal growth and synthesis of renin. Because angiotensin II (AII) has growth-promoting properties, we tested the possibility that protein-induced renal growth depends on angiotensin II. Normal adult male rats placed on a high-protein diet (50%) developed significant renal and glomerular growth over 6 days compared with rats on a low-protein diet (6%). However, neither angiotensin converting enzyme inhibition with enalapril nor angiotensin receptor antagonism with losartan influenced the degree of whole-kidney, cortical tubular, or glomerular growth. Thus, angiotensin II is not a necessary factor in dietary protein-induced renal growth in normal adult rats.

UI MeSH Term Description Entries
D006984 Hypertrophy General increase in bulk of a part or organ due to CELL ENLARGEMENT and accumulation of FLUIDS AND SECRETIONS, not due to tumor formation, nor to an increase in the number of cells (HYPERPLASIA). Hypertrophies
D007093 Imidazoles Compounds containing 1,3-diazole, a five membered aromatic ring containing two nitrogen atoms separated by one of the carbons. Chemically reduced ones include IMIDAZOLINES and IMIDAZOLIDINES. Distinguish from 1,2-diazole (PYRAZOLES).
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D008297 Male Males
D009929 Organ Size The measurement of an organ in volume, mass, or heaviness. Organ Volume,Organ Weight,Size, Organ,Weight, Organ
D004044 Dietary Proteins Proteins obtained from foods. They are the main source of the ESSENTIAL AMINO ACIDS. Proteins, Dietary,Dietary Protein,Protein, Dietary
D004656 Enalapril An angiotensin-converting enzyme inhibitor that is used to treat HYPERTENSION and HEART FAILURE. Enalapril Maleate,MK-421,MK421,Renitec,Renitek,MK 421,Maleate, Enalapril
D000804 Angiotensin II An octapeptide that is a potent but labile vasoconstrictor. It is produced from angiotensin I after the removal of two amino acids at the C-terminal by ANGIOTENSIN CONVERTING ENZYME. The amino acid in position 5 varies in different species. To block VASOCONSTRICTION and HYPERTENSION effect of angiotensin II, patients are often treated with ACE INHIBITORS or with ANGIOTENSIN II TYPE 1 RECEPTOR BLOCKERS. Angiotensin II, Ile(5)-,Angiotensin II, Val(5)-,5-L-Isoleucine Angiotensin II,ANG-(1-8)Octapeptide,Angiotensin II, Isoleucine(5)-,Angiotensin II, Valine(5)-,Angiotensin-(1-8) Octapeptide,Isoleucine(5)-Angiotensin,Isoleucyl(5)-Angiotensin II,Valyl(5)-Angiotensin II,5 L Isoleucine Angiotensin II,Angiotensin II, 5-L-Isoleucine
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001713 Biphenyl Compounds Whitish aromatic crystalline organic compounds made up of two conjoined BENZENE rings. Compounds, Biphenyl

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