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Biochemical and histopathological changes in nephrectomized mice. 1998

M Al Banchaabouchi, and B Marescau, and R D'Hooge, and E Van Marck, and A Van Daele, and O Levillain, and P P De Deyn
Department of Medicine-Universitaire Instelling Antwerpen, Middelheim General Hospital, University of Antwerp, Belgium.

Renal failure is characterized by the retention of nitrogenous metabolites such as urea, creatinine (CTN) and other guanidino compounds (GCs), uric acid, and hippuric acid, which could be related to the clinical syndrome associated with renal insufficiency. A model of renal failure has been developed in male C57BL x Swiss-Webster mice using nephrectomy (NX) and/or arterial ligation. A sham group (group A) and two nephrectomized groups, group B (one kidney removed) and group C (one kidney removed and ligation of the contralateral anterior artery branch), were studied. Ten days postsurgery, morphological and functional indices of renal failure were investigated. Nephrectomized mice manifested features of renal failure like polyuria and wasting. CTN clearance (CTN[Cl]) decreased by +/-26% in group B and +/-33% in group C as compared with the control values. Marked increases in the plasma concentration of guanidinosuccinic acid ([GSA] fourfold) and guanidine ([G] twofold) were observed in the experimental animals. CTN and alpha-keto-delta-guanidinovaleric acid (alpha-keto-delta-GVA) reached levels of, respectively, 1.5-fold and twofold those of controls. Urinary GSA excretion increased and guanidinoacetic acid (GAA) excretion decreased about twofold in group C. GSA increases (2.6-fold) were also observed in the brain in group C, in addition to a significant increase of G (2.5-fold) and gamma-guanidinobutyric acid ([GBA] 1.5-fold). Finally, the extent of NX was found to be 45.2% in group B and 71.4% in group C. Light microscopy revealed an expansion and increase in cellularity of the mesangium of the glomeruli, particularly in group C. A significant correlation (r = .574, P < .0001) was found between CTN(Cl) and the degree of NX as calculated from the remaining functional area. These data suggest that the model can be used as a tool for further pathophysiological and/or behavioral investigations of renal failure.

UI MeSH Term Description Entries
D008026 Ligation Application of a ligature to tie a vessel or strangulate a part. Ligature,Ligations,Ligatures
D008297 Male Males
D008810 Mice, Inbred C57BL One of the first INBRED MOUSE STRAINS to be sequenced. This strain is commonly used as genetic background for transgenic mouse models. Refractory to many tumors, this strain is also preferred model for studying role of genetic variations in development of diseases. Mice, C57BL,Mouse, C57BL,Mouse, Inbred C57BL,C57BL Mice,C57BL Mice, Inbred,C57BL Mouse,C57BL Mouse, Inbred,Inbred C57BL Mice,Inbred C57BL Mouse
D009392 Nephrectomy Excision of kidney. Heminephrectomy,Heminephrectomies,Nephrectomies
D012077 Renal Artery A branch of the abdominal aorta which supplies the kidneys, adrenal glands and ureters. Arteries, Renal,Artery, Renal,Renal Arteries
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D003404 Creatinine Creatinine Sulfate Salt,Krebiozen,Salt, Creatinine Sulfate,Sulfate Salt, Creatinine
D005998 Glycine A non-essential amino acid. It is found primarily in gelatin and silk fibroin and used therapeutically as a nutrient. It is also a fast inhibitory neurotransmitter. Aminoacetic Acid,Glycine, Monopotassium Salt,Glycine Carbonate (1:1), Monosodium Salt,Glycine Carbonate (2:1), Monolithium Salt,Glycine Carbonate (2:1), Monopotassium Salt,Glycine Carbonate (2:1), Monosodium Salt,Glycine Hydrochloride,Glycine Hydrochloride (2:1),Glycine Phosphate,Glycine Phosphate (1:1),Glycine Sulfate (3:1),Glycine, Calcium Salt,Glycine, Calcium Salt (2:1),Glycine, Cobalt Salt,Glycine, Copper Salt,Glycine, Monoammonium Salt,Glycine, Monosodium Salt,Glycine, Sodium Hydrogen Carbonate,Acid, Aminoacetic,Calcium Salt Glycine,Cobalt Salt Glycine,Copper Salt Glycine,Hydrochloride, Glycine,Monoammonium Salt Glycine,Monopotassium Salt Glycine,Monosodium Salt Glycine,Phosphate, Glycine,Salt Glycine, Monoammonium,Salt Glycine, Monopotassium,Salt Glycine, Monosodium
D006146 Guanidines A family of iminourea derivatives. The parent compound has been isolated from mushrooms, corn germ, rice hulls, mussels, earthworms, and turnip juice. Derivatives may have antiviral and antifungal properties.
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

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