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已发表论文
基于超高效液相色谱 - 串联质谱法的糖尿病视网膜病变不同阶段房水代谢组学研究
Authors Nie Z, Pang S, Wang Z, Yang M, Zhang X, Guo H, Li W, Liu B, Yu W, Hu B
Received 19 May 2025
Accepted for publication 17 September 2025
Published 25 October 2025 Volume 2025:18 Pages 3941—3953
DOI https://doi.org/10.2147/DMSO.S532896
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 3
Editor who approved publication: Dr Pablo Corral
Zetong Nie,1,* Shaofang Pang,1,* Zhaoxiong Wang,2,* Meng Yang,1 Xiang Zhang,1 Haoxin Guo,1 Wenbo Li,1 Boshi Liu,1 Weihong Yu,3 Bojie Hu1
1Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, People’ s Republic of China; 2Department of Ophthalmology, Tianjin Baodi Hospital, Tianjin, People’ s Republic of China; 3Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, People’ s Republic of China
*These authors contributed equally to this work
Correspondence: Bojie Hu, Tianjin Medical University Eye Hospital, No. 251, Fukang Road, Nankai District, Tianjin, 300384, People’ s Republic of China, Email bhu07@tmu.edu.cn Weihong Yu, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, People’ s Republic of China, Email yuweihongpumch@163.com
Purpose: To search for differential metabolites in patients with proliferative diabetic retinopathy (PDR), patients with nonproliferative diabetic retinopathy (NPDR), and control subjects, and to study their potential biomarkers in depth.
Patients and Methods: An untargeted metabolomic approach based on ultra-performance liquid chromatography-tandem mass spectrometry was used to study aqueous humor from 63 patients with PDR, 37 patients with NPDR, and 30 non-diabetic controls. Differential metabolites in different periods of diabetic retinopathy (DR) were identified using orthogonal projections to latent structure discriminant analysis and fold-change. Further logistic regression and receiver operating characteristic curve analysis were performed to select and validate potential biomarkers.
Results: Compared to the control group, the PDR group had 80 differential metabolites, among which 3-methylhistamine, N-acetyl-L-histidine, and cytosine were identified as potential biomarkers, whereas the NPDR group had 94 differential metabolites, among which and N-acetyl-L-histidine and hypoxanthine were identified as potential biomarkers. Relative to the PDR and NPDR groups, 5-hydroxyindole-3-acetic acid and L-3-hydroxykynurenine may be potential biomarkers suggesting DR developmental stage or progression.
Conclusion: The metabolite profiles identified in this study provide insights into the mechanisms of DR onset and progression in future studies and may eventually inform the development of metabolic biomarkers for prognosis and new therapeutic strategies for DR management.
Keywords: diabetic retinopathy, metabolomics, biomarkers, ultra-performance liquid chromatography-tandem mass spectrometry
1Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin, People’ s Republic of China; 2Department of Ophthalmology, Tianjin Baodi Hospital, Tianjin, People’ s Republic of China; 3Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, People’ s Republic of China
*These authors contributed equally to this work
Correspondence: Bojie Hu, Tianjin Medical University Eye Hospital, No. 251, Fukang Road, Nankai District, Tianjin, 300384, People’ s Republic of China, Email bhu07@tmu.edu.cn Weihong Yu, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, People’ s Republic of China, Email yuweihongpumch@163.com
Purpose: To search for differential metabolites in patients with proliferative diabetic retinopathy (PDR), patients with nonproliferative diabetic retinopathy (NPDR), and control subjects, and to study their potential biomarkers in depth.
Patients and Methods: An untargeted metabolomic approach based on ultra-performance liquid chromatography-tandem mass spectrometry was used to study aqueous humor from 63 patients with PDR, 37 patients with NPDR, and 30 non-diabetic controls. Differential metabolites in different periods of diabetic retinopathy (DR) were identified using orthogonal projections to latent structure discriminant analysis and fold-change. Further logistic regression and receiver operating characteristic curve analysis were performed to select and validate potential biomarkers.
Results: Compared to the control group, the PDR group had 80 differential metabolites, among which 3-methylhistamine, N-acetyl-L-histidine, and cytosine were identified as potential biomarkers, whereas the NPDR group had 94 differential metabolites, among which and N-acetyl-L-histidine and hypoxanthine were identified as potential biomarkers. Relative to the PDR and NPDR groups, 5-hydroxyindole-3-acetic acid and L-3-hydroxykynurenine may be potential biomarkers suggesting DR developmental stage or progression.
Conclusion: The metabolite profiles identified in this study provide insights into the mechanisms of DR onset and progression in future studies and may eventually inform the development of metabolic biomarkers for prognosis and new therapeutic strategies for DR management.
Keywords: diabetic retinopathy, metabolomics, biomarkers, ultra-performance liquid chromatography-tandem mass spectrometry