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湿性年龄相关性黄斑变性中可溶性sCD13的表达特征及其诊断价值和相关性研究

 

Authors Zhang B, Tian F, Hu X, Hu Y, Li W 

Received 11 July 2025

Accepted for publication 3 January 2026

Published 28 January 2026 Volume 2026:19 553165

DOI https://doi.org/10.2147/IJGM.S553165

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Brian C. Gilger


Bing Zhang,1 Fei Tian,1 XueJin Hu,2 Yong Hu,3 WenGang Li4 

1Department of Inspection Division, Huanggang Central Hospital, Huanggang, Hubei, 438000, People’s Republic of China; 2Department of Inspection Division, Tongshan People’s Hospital, Xianning, Hubei, 437600, People’s Republic of China; 3Department of Inspection Division, Yiling Hospital of Yichang, Yichang, Hubei, 443100, People’s Republic of China; 4Department of Inspection Division, People’s Hospital of Chibi, Chibi, Hubei, 437300, People’s Republic of China

Correspondence: WenGang Li, Department of Inspection Division, People’s Hospital of Chibi, No. 260, Hubei Avenue, Chibi, Hubei, 437300, People’s Republic of China, Email lwenganghghb@outlook.com

Objective: This study explored the level of soluble CD13 (sCD13) and its correlation with angiogenic factors, evaluating the predictive efficacy of sCD13 in wet age-related macular degeneration (wAMD).
Methods: 200 patients were included (58 in Non AMD group, 42 in Early AMD group, and 100 in wAMD group). Detailed routine and ophthalmologic examinations were performed on all subjects, and the central retinal thickness (CRT) and ganglion cell-inner plexiform layer (GCIPL) were determined. The concentration of sCD13 was compared. The correlation of sCD13 with PDGF, hsCRP and IL-8 was analyzed. ROC curves were plotted and the diagnostic value of sCD13 was assessed by area under the curve (AUC).
Results: The sCD13 concentration of patients in the wAMD group (20.41 ± 5.86 U/mL) was higher. Age, history of smoking, CRT, hsCRP and IL-8 were higher in the wAMD group, while mean GCIPL, BCVA, and PDGF were lower. sCD13 was positively correlated with hsCRP (r = 0.505) and IL-8 (r = 0.193) and negatively correlated with PDGF (r = − 0.241). sCD13 had predictive efficacy in distinguishing wAMD from non AMD and early AMD, with AUC values of 0.74 and 0.61, respectively (P < 0.05).
Conclusion: sCD13 concentration in the affected eyes of wAMD patients is abnormally elevated and associated with elevated serum hsCRP and IL-8 levels and decreased PDGF. These results suggest that elevated sCD13 may promote the development of wAMD, emphasizing the importance of early control of sCD13 levels.

Keywords: age-related macular degeneration, soluble CD13, retinal pigment epithelium, diagnosis