INFLUENCE OF ZINC DEFICIENCY ON THE GROWTH AND CONCENTRATIONS OF RELATED HORMONES IN SERUM OF PREGNAT RATS
- VernacularTitle:锌缺乏对孕鼠发育及体内促生长有关激素水平的影响
- Author:
Changfeng ZHAO
;
Hongqi YANG
;
Xuemei HAN
;
Huimin JIANG
- Publication Type:Journal Article
- Keywords:
zinc deficiency;
growth retardation;
hormone
- From:
Acta Nutrimenta Sinica
1956;0(01):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective: To study the effect of zinc deficiency on the growth and concentrations of related hormones in serum of pregnant rats. Methods: Pregnant Wistar rats were assigned to zinc deficiency(ZD),pair-fed(PF),zinc supplement(ZS) and control(Cont) group and fed for 21 days with zinc deficient(0.7 mg/kg)diet(ZD rats)or a similar diet supplemented with 100 mg Zn/kg.The growth of pregnant rats was observed and the concentrations of triiodothyronine(T 3),thyroxine(T 4),thyrotropin(TSH) and growth hormone(GH) in serum of rats were determined with radioimmunoassay. Results: The ZD rats didn't gain weight.The birth weight of fetuses in ZD group was significantly lower than that of other groups (P
