| ORIGINAL ARTICLE |
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| Year : 2013 | Volume
: 19
| Issue : 2 | Page : 154-158 |
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Haptoglobin2-2 phenotype is an additional risk factor of retinopathy in type 2 diabetes mellitus
Mukund R Mogarekar, Mahesh H Hampe
Department of Biochemistry, S. R. T. R. Medical College, Ambajogai, Maharashtra, India
Correspondence Address:
Mukund R Mogarekar
Department of Biochemistry, S. R. T. R. Medical College, Ambajogai, District Beed, Maharashtra
India
 Source of Support: None, Conflict of Interest: None
DOI: 10.4103/0971-6866.116111
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Aims: The aim of this study was to investigate the association between haptoglobin (Hp) phenotypes and risk of the development of diabetic retinopathy (DR) in patients of type 2 diabetes mellitus.
Materials and Methods: This cross-sectional study included 45 normotensive type 2 diabetic patients (duration more than 5 years) admitted in the hospital divided into two groups (with and without DR) on the basis of fundus examination by direct ophthalmoscopy. Serum samples of all patients were subjected for Hp phenotyping by polyacrylamide gel electrophoresis.
Results: DR was associated significantly in diabetic patients with Hp2-2 phenotype (79.31%) than diabetic patients with Hp2-1 phenotype (43.75%) and Hp2-2 had higher odds ratio (OR) for DR in univariate analysis (OR 4.929, [95% confidence interval [CI] (1.297-18.733)], P = 0.016) and multivariate analysis (OR 7.704 [95% CI (0.887-66.945)], P = 0.064). Furthermore, Hp2-2 was associated significantly with severe forms of DR.
Conclusion: Hp2-2 phenotype is associated with susceptibility to DR showing a graded risk relationship to the number of Hp2 alleles. Determination of Hp phenotype may be useful in the risk assessment and management of DR. |
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