Oncotarget

Research Papers:

Associations between erythropoietin polymorphisms and risk of diabetic microvascular complications

Hua Li, Huipu Xu, Yuerong Li, Dongdong Zhao and Baoxin Ma _

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Oncotarget. 2017; 8:112675-112684. https://doi.org/10.18632/oncotarget.22699

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Abstract

Hua Li1,*, Huipu Xu2,*, Yuerong Li2, Dongdong Zhao2 and Baoxin Ma2

1Department of Oncology, The Affiliated Hospital of Binzhou Medical University, Binzhou, Shandong 256603, China

2Department of Cardiology, The Affiliated Hospital of Binzhou Medical University, Binzhou, Shandong 256603, China

*These authors contributed equally to this work

Correspondence to:

Baoxin Ma, email: sfdbh2006@sohu.com

Keywords: erythropoietin; polymorphism; diabetic microvascular complication; systematic review; meta-analysis

Received: May 27, 2017     Accepted: October 27, 2017     Published: November 27, 2017

ABSTRACT

We conducted a meta-analysis to evaluate the relationship between erythropoietin (EPO) polymorphisms and diabetic microvascular complications. We searched the PubMed, Embase, Cochrane library, Web of Science, Wanfang, and Chinese National Knowledge Infrastructure databases for appropriate studies. Odds ratios (ORs) with 95% confidence intervals (CIs) were calculated to evaluate the associations. Ultimately, eight studies consisting of 2,861 cases and 2,136 controls were identified and included in our meta-analysis. Results with our genotype model indicated an association between rs1617640 polymorphisms and diabetic microvascular complications (TT vs. GG: OR = 1.544, 95% CI = 1.089–2.189, P = 0.015). No clear associations between the rs1617640 and rs507392 polymorphisms and diabetic retinopathy were observed. By contrast, rs551238 polymorphisms were associated with increased diabetic retinopathy risk (allele model: OR = 0.774, 95% CI = 0.658–0.911, P = 0.002; genotype model: AC vs. CC: OR = 0.598, 95% CI = 0.402–0.890, P = 0.011; dominant model: OR = 0.561, 95% CI = 0.385–0.817, P = 0.003; recessive model: OR = 0.791, 95% CI = 0.643–0.973, P = 0.026). These results indicate that EPO polymorphisms are a risk factor for diabetic microvascular complications.


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