Impairment of renal urinary excretion in neonatal, but not in adult capsaicin-pretreated rats. 1992

S Manzini, and C Bacciarelli, and M Perfumi, and M Massi
Menarini Ricerche Sud, Department of Pharmacology, Pomezia, Rome, Italy.

The effect of saline and/or water load on diuresis, natriuresis and kaliuresis in control and in neonatal or adult capsaicin-pretreated awake rats has been assessed. Urine was collected by means of metabolic cages or intra-abdominally from a previously catheterized ureter. Neonatal but not adult capsaicin-pretreated animals exhibited a remarkable reduction in volume of urine output and in electrolytes excretion. This effect was more evident following saline as compared to water load. Similar results were also obtained when urine was directly collected from the ureters, suggesting that pharmacological ablation, at neonatal stage, of a subset of capsaicin-sensitive sensory nerves could impair the excretory kidney function.

UI MeSH Term Description Entries
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D008297 Male Males
D009318 Natriuresis Sodium excretion by URINATION. Natriureses
D011188 Potassium An element in the alkali group of metals with an atomic symbol K, atomic number 19, and atomic weight 39.10. It is the chief cation in the intracellular fluid of muscle and other cells. Potassium ion is a strong electrolyte that plays a significant role in the regulation of fluid volume and maintenance of the WATER-ELECTROLYTE BALANCE.
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D012016 Reference Values The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality. Normal Range,Normal Values,Reference Ranges,Normal Ranges,Normal Value,Range, Normal,Range, Reference,Ranges, Normal,Ranges, Reference,Reference Range,Reference Value,Value, Normal,Value, Reference,Values, Normal,Values, Reference
D002211 Capsaicin An alkylamide found in CAPSICUM that acts at TRPV CATION CHANNELS. 8-Methyl-N-Vanillyl-6-Nonenamide,Antiphlogistine Rub A-535 Capsaicin,Axsain,Capsaicine,Capsicum Farmaya,Capsidol,Capsin,Capzasin,Gelcen,Katrum,NGX-4010,Zacin,Zostrix,8 Methyl N Vanillyl 6 Nonenamide,NGX 4010,NGX4010
D004231 Diuresis An increase in the excretion of URINE. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Diureses
D005260 Female Females
D000375 Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time. Senescence,Aging, Biological,Biological Aging

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