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Levels and clinical significance of TGF-β1 and TGF-β2 in patients with diabetic retinopathy |
WANG Juan1 CHU Hui2 |
1.Department of Ophthalmology, Branch Hospital of Huai’an First People’s Hospital, Jiangsu Province, Huai’an 223002, China;
2.Department of Endocrinology, Branch Hospital of Huai’an First People’s Hospital, Jiangsu Province, Huai’an 223002, China |
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Abstract Objective To investigate the serum levels of transforming growth factor (TGF) -β1 and TGF-β2 and their clinical significance in diabetic retinopathy (DR) patients. Methods A total of 189 patients with type 2 diabetes mellitus who were treated in Branch Hospital of Huai’an First People’s Hospital (“our hospital” for short) in January 2015 and May 2018 were selected, including 61 DR patients (DR group), 38 non-value-added diabetic retinopathy (NPDR) and 23 value-added diabetic retinopathy (PDR). There were 128 patients without DR (NDR group). At the same time, 100 health checkups from our hospital during the same period were selected as the control group. The levels of TGF-β1, TGF-β2, fasting blood glucose, and glycated hemoglobin (HbA1c) in serum were detected. Results Serum TGF-β1, TGF-β2 and HbA1c in DR group were higher than those in NDR group and control group (P < 0.05). Fasting blood glucose was higher than that in control group (P < 0.05). Serum TGF-β1, TGF-β2, and HbA1c in PDR patients were higher than those in NPDR patients (P < 0.05). There was no significant difference in fasting blood glucose between PDR and NPDR patients (P > 0.05). TGF-β1 and TGF-β2 were positively correlated with HbA1c (r = 0.347, 0.457, P < 0.05). Conclusion Serum TGF-β1 and TGF-β2 are significantly increased in DR patients, which may play an important role in the occurrence and development of the disease, and have a positive correlation with HbA1c level.
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