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Chinese Journal of Behavioral Medicine and Brain Science ; (12): 1014-1016, 2012.
Artículo en Chino | WPRIM | ID: wpr-429974

RESUMEN

Objective To investigate the relation of serum leptin level in senile depressive patients with type 2 diabetes and polymorphisms of leptin receptor gene 3057 G/A.Methods 10 senile depressive patients with type 2 diabetes and 47 senile depressive patients without type 2 diabetes were selected for the study.Leptin levels were determined by radioimmunoassay.Genomitic DNA were obtained by phenol/chloroform method.Leptin receptor gene 3057 G/A polymorphisms and allele frequencies were determined with the polymerase chain reaction and restricted fragment length polymorphism assay.Results (1) The differences of leptin receptor genotypes and allele distribution in the 3 groups were not found (all P > 0.05).(2) Serum leptin level in senile depressive patients with type 2 diabetes and without type 2 diabetic patients ((41.65 ± 28.19) ng/ml,(25.56 ± 21.04) ng/ml) were significantly higher than the normal people ((10.84 ± 9.16) ng/ml) (all P < 0.05).Serum leptin level in senile depressive patients with type 2 diabetes were significantly higher than without type 2 diabetic patients(P< 0.05).(3) The serum leptin level in genotype AA senile depressive patients with type 2 diabetes were significantly higher than genotype AA patients without type 2 diabetes.The differences of the serum leptin levels in genotype AA senile depressive patients without type 2 diabetes and genotype AG/GG patients without type 2 diabetes were not found(P > 0.05).The differences of the serum leptin level in genotype AA and genotype AG/GG in normal groups were not found (P> 0.05).Conclusion Senile depressive patients have higher serum leptin level.The serum leptin level is higher,especially with type 2 diabetes.Serum leptin level is related to type 2 diabetes.Serum leptin level is not related to the polymorphisms of leptin receptor gene 3057 G/A.Type 2 diabetes are not related to polymorphisms of leptin receptor gene 3057 G/A.

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