Alterations in kidney enzyme pattern in acute hypervitaminosis A
Arch. latinoam. nutr
; Arch. latinoam. nutr;48(2): 129-33, jun. 1998. tab
Article
em En
| LILACS
| ID: lil-226051
Biblioteca responsável:
BR1.1
RESUMO
The relation of excessive doses of vitamin A with various kidney pathologies is well known however, information concerning the relation of kidney enzyme activity with acute hypervitaminosis A is rather scarce. In this study we describe the kidney enzymatic alterations observed in rats that received daily intramuscular injectiosn of 10.000, 30.000, 50.000 and 100.000IU of vitamin A palmitate (VA) during seven days (TREATED GROUPS). A comparison is made with the enzyme activity in healthy rats pairfed and treated with sodium palmitte by intramuscular injection (CONTROL GROUP). The treated rats showed a proportional increase (<0.05) in activity of acid maltase, transaminases or aminotransferase (GOT and GPT), alkaline phosphatase (ALP) and acid protease with all doses of VA administered, Amylase, lipase and arginase tend to decrease (p<0.05) in activity only with doses of 50.000 and 100.000 I.U. of VA. Several factors are responsible for these findings, such as kidney necrosis due to release of lysosomal acid hydrolases produced by hypervitaminosis A.
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Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Aspartato Aminotransferases
/
Hipervitaminose A
/
Alanina Transaminase
/
Hidrolases
/
Rim
Limite:
Animals
Idioma:
En
Revista:
Arch. latinoam. nutr
Assunto da revista:
Bioqu¡mica
/
EducaÆo Alimentar e Nutricional
/
Fenmenos Fisiol¢gicos da NutriÆo
/
Microbiologia de Alimentos
/
NUTRICAO
Ano de publicação:
1998
Tipo de documento:
Article
País de publicação:
Venezuela