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Amino acid analysis as a method of discovering biomarkers for diagnosis of diabetes and its complications

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Abstract

Diabetes mellitus (DM) is a severe chronic diseases with a global prevalence of 9%, leading to poor health and high health care costs, and is a direct cause of millions of deaths each year. The rising epidemic of diabetes and its complications, such as retinal and peripheral nerve disease, is a huge burden globally. A better understanding of the molecular pathways involved in the development and progression of diabetes and its complications can facilitate individualized prevention and treatment. High diabetes mellitus incidence rate is caused mainly by lack of non-invasive and reliable methods for early diagnosis, such as plasma biomarkers. The incidence of diabetes and its complications in the world still grows so it is crucial to develop a new, faster, high specificity and more sensitive diagnostic technologies. With the advancement of analytical techniques, metabolomics can identify and quantify multiple biomarkers simultaneously in a high-throughput manner, and effective biomarkers can greatly improve the efficiency of diabetes and its complications. By providing information on potential metabolic pathways, metabolomics can further define the mechanisms underlying the progression of diabetes and its complications, help identify potential therapeutic targets, and improve the prevention and management of T2D and its complications. The application of amino acid metabolomics in epidemiological studies has identified new biomarkers of diabetes mellitus (DM) and its complications, such as branched-chain amino acids, phenylalanine and arginine metabolites. This study focused on the analysis of metabolic amino acid profiling as a method for identifying biomarkers for the detection and screening of diabetes and its complications. The results presented are all from recent studies, and in all cases analyzed, there were significant changes in the amino acid profile of patients in the experimental group compared to the control group. This study demonstrates the potential of amino acid profiles as a detection method for diabetes and its complications.

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Data availability is not applicable to this article as no new data were created or analyzed in this study.

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Acknowledgements

The authors acknowledge the financial support of the Hunan Provincial Science and Technology Department Fund, the Grant No.2021SK4030; the Major Special Project of Hunan Provincial Health and Family Planning Commission fund, the Grant No.21C0277; the Hengyang Science and Technology Department, the Grant No.202121034573.

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DC and BH: prepared the manuscript. SLX: conducted an internal review procedure. All authors approved the manuscript.

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Correspondence to Song Lin Xie.

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The authors have no conflict of interest to declare.

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No human or animal samples were used for this study. For this reason, no informed consent was obtained from individual participants.

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Handling editor: S. Broeer.

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Cai, D., Hou, B. & Xie, S.L. Amino acid analysis as a method of discovering biomarkers for diagnosis of diabetes and its complications. Amino Acids 55, 563–578 (2023). https://doi.org/10.1007/s00726-023-03255-8

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  • DOI: https://doi.org/10.1007/s00726-023-03255-8

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