Serum apelin-13 in proliferative diabetic retinopathy

窑Clinical Research窑

Elevation of serum apelin-13 associated with proliferative diabetic retinopathy in type 2 diabetic patients

Department of Ophthalmology, Xi'an Ninth Hospital Affiliated to Medical College of Xi'an Jiaotong University, Xi'an 710054, Shaanxi Province, China 2 Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, School of Medicine, Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China 3 Outpatient Department, Guangzhou Sanitorium of PLA, Guangzhou 510515, Guangdong Province, China 4 Department of Ophthalmology, the Affiliated Hospital of Xi'an Medical University, West Fenghao Road 48, Xi'an 710077, Shaanxi Province, China 5 Department of Endocrinology, Xi'an Ninth Hospital Affiliated to Medical College of Xi'an Jiaotong University, Xi'an 710054, Shaanxi Province, China Co-first authors: Jun-Hui Du and Xia Li Correspondence to: Hong-Zhi Sun. Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, School of Medicine, Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China. sunhongzhi@mail. xjtu.edu.cn Received: 2013-11-27 Accepted: 2014-06-12 1

To compare apelin -13, a ligand of G -protein -

relationship between the serum concentration of apelin 13 and diabetes retinopathy.

·METHODS: Sixty-nine patients with T2DM were enrolled. Of the 69 patients, 16 had proliferative diabetic retinopathy (PDR group), 23 had non-PDR (NPDR group) and 30 had no retinopathy (T2DM group). Subjects' information, including demographics, medical history, and use of medications were recorded. Their serum samples were collected for measuring the levels of

C -reactive protein (CRP), serum lipid and glycosylated hemoglobin. Apelin -13 and VEGF serum levels were measured by enzyme -linked immunosorbent assay. Kruskal -Wallis test and one -way ANOVA were used to compare the differences among these groups. Chi-square 968

was

analysis. All statistical analyses were performed through SPSS 17.0 software.

· RESULTS:

Sex, age, body mass index

pressure, CRP, hemoglobin A1c

(BMI), blood

(HbA1c) have no

significantly difference in the three groups. Serum level of apelin -13 was significantly elevated in PDR group as compared with T2DM group

(

=0.041). Differences of

VEGF serum concentration in the three groups were statistically significant (

=0.007,

=0.007 and

Elevation of serum apelin-13 associated with proliferative diabetic retinopathy in type 2 diabetic patients.

To compare apelin-13, a ligand of G-protein-coupled receptor which has been shown to be involved in retinal angiogenesis, and vascular endothelial gro...
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