Abstract:Objective: To explore the correlation between serum and tear endothelin-1 (ET-1), malondialdehyde (MDA), matrix metalloproteinase-9 (MMP-9) and the severity of type 2 diabetes mellitus (T2DM) with dry eye disease (DED). Methods: Totally 136 patients with T2DM admitted to the general hospital of central theater command from September 2023 to September 2024 were selected and divided into DED group (54 cases) and non-DED group (82 cases) according to whether they were accompanied by DED. Another 120 healthy individuals of the same age range who passed the health examination were made the control group. Complying with the evaluation results of the disease, the DED group was assigned into the mild group of 24 cases and the moderate/severe group of 30 cases. The risk factors for moderate/severe DED in T2DM patients were analyzed using multiple logistic regression. ROC was used to analyze the diagnostic value of serum and tear ET-1, MDA, and MMP-9 for moderate/severe DED in T2DM. Results: The DED group and non-DED group had prominently higher serum and tear ET-1, MDA, and MMP-9 than control group, meantime, the DED group had prominently higher results than the non-DED group (P<0.05). The moderate/severe group showed obvious upregulation of serum and tear ET-1, MDA, and MMP-9 expression than mild group (P<0.05). Elevated levels of ET-1, MDA, and MMP-9 in serum and tears were independent risk factors for moderate/severe DED in T2DM (P<0.05). The AUC of joint of serum ET-1, MDA, and MMP-9 in the diagnosis of moderate/severe DED in T2DM was 0.981, and the AUC of joint diagnosis was better than that of single diagnosis (Z=2.231, 2.325, 2.508, P<0.05). The AUC of joint diagnosis of ET-1, MDA, and MMP-9 in tears for moderate/severe DED in T2DM was 0.983, and the AUC of joint diagnosis was better than that of single diagnosis (Z=2.105, 2.457, 2.751, P<0.05). Conclusion: The ET-1, MDA, and MMP-9 in the serum and tears of T2DM patients with DED are upregulated, and they are related to condition of DED. The joint diagnosis for moderate/severe DED in T2DM by the three methods has certain value.
马晓玉, 张璐, 陆思林, 杜霖, 丁琴. 血清及泪液ET-1 MDA MMP-9水平与2型糖尿病伴干眼症患者病情严重程度的相关性[J]. 河北医学, 2025, 31(11): 1868-1873.
MA Xiaoyu, ZHANG Lu, LU Silin, et al. Correlation between ET-1 MDA MMP-9 in Serum and Tears and Severity of Type 2 Diabetes Mellitus with Dry Eye Disease. HeBei Med, 2025, 31(11): 1868-1873.
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