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Chinese Journal of Clinical Pharmacology and Therapeutics ›› 2017, Vol. 22 ›› Issue (8): 910-916.

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Association of leptin and leptin receptor gene polymorphisms with hypertension: a Meta-analysis

ZHANG Xiaoyu, FANG Zhengmei, YAO Yingshui   

  1. School of Public Health, Wannan Medical College, Wuhu 241002, Anhui, China
  • Received:2017-01-24 Revised:2017-03-03 Online:2017-08-26 Published:2017-08-18

Abstract:

AIM: To evaluate the association between leptin gene and leptin receptor gene polymorphisms with hypertension.  METHODS: CNKI, Wanfang database, Chongqing VIP network, Pubmed database and EMBASE database were researched. The data on the relationship between leptin/its receptor gene and hypertension were extracted and evaluated by software STATA11.0. RESULTS: Twenty-one studies involving 4 736 patients and 3 096 healthy people were included. The meta-analysis showed the II/I polymorphism of LEP gene was associated with hypertension in recessive genetic model and additive genetic model (recessive genetic model: OR=2.16, 95%CI=1.08-4.31, P=0.029, additive genetic model: OR=2.27, 95%CI=1.08-4.79, P=0.031); the Gln223Arg polymorphism of LEPR gene was associated with hypertension in dominant model and allelic model (dominant model: OR=1.55, 95%CI=1.14-2.11, P=0.005; allelic model: OR=1.36,95%CI=1.09-1.71, P=0.007). No statistically significant correlation was found between the Lys109Arg polymorphism of LEPR gene and hypertension (dominant model: OR=0.87, 95%CI=0.67-1.14, P=0.307, recessive genetic model: OR=0.91, 95%CI=0.70-1.20, P=0.099, additive genetic model: OR=0.92, 95%CI=0.70-1.21, P=0.071, allelic model: OR=1.04, 95%CI=0.80-1.35, P=0.830). CONCLUSION: There is no significant correlation between Lys109Arg polymorphism of LEPR gene and hypertension, but the II/I polymorphism of LEP gene and Gln223Arg polymorphism of LEPR gene are associated with hypertension.

Key words: hypertension, leptin, leptin receptor, gene polymorphism, Meta-analysis

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