Abstract
Background
As a clinical and non-invasive tool, the AGE Reader measures skin autofluorescence (SAF) to estimate the accumulation of advanced glycation end products (AGEs) in the skin. Accumulation of AGEs has been implicated in several inflammation-associated diseases, including diabetes and cardio-metabolic diseases. This study aimed to assess SAF in subjects with and without cardiovascular risk (CVR) factors and examine the association between SAF and various bio-clinical parameters.
Methods
In a cross-sectional study, we included 250 participants between 19 and 86 years of age divided into two groups: a healthy group (n = 88) and subjects with CVR factors (n = 162 in total, diabetes n = 48, hypertension n = 62, and both n = 52). We assessed skin AGE measures and biological and clinical data.
Results
SAF was significantly higher in subjects with CVR factors than in healthy participants (2.42 ± 0.38 vs 1.90 ± 0.29 respectively; p < 0.001). SAF was associated with age, gender, BMI, duration of diabetes, HbA1c, triglyceride, and obesity. Multivariate analysis showed that age and duration of diabetes were the independent determinants of SAF. The ROC analysis indicated that a SAF > 2.25 AU was the optimal cut-off point to predict the presence of diabetes and/or hypertension and dyslipidemia (p < 0.001).
Conclusion
This Tunisian population-based study shows an increased SAF level in subjects with diabetes and/or hypertension and dyslipidemia compared to healthy subjects. The AGE Reader device is a rapid and non-invasive tool in clinical practice to evaluate and screen CVR factors in Tunisia with a North African phototype.
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Availability of data and materials
The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.
Abbreviations
- AGEs:
-
advanced glycation end products
- BMI:
-
body mass index
- CVR:
-
cardiovascular risk
- DBP:
-
diastolic blood pressure
- DM:
-
diabetes mellitus
- HbA1c:
-
glycated hemoglobin
- HTA:
-
hypertension
- SAF:
-
skin autofluorescence
- SBP:
-
systolic blood pressure
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Acknowledgments
The authors would like to thank all the people who participated in this study
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MK, BHRW, SA, and SN conceived the idea and edited and finalized the manuscript. RS and MK performed the study design, skin autofluorescence measurement, data analysis, data interpretation, and writing. IK, WB, and HB helped in the recruitment of patients and clinical fulfillment. All authors read and approved the final manuscript.
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The study protocol follows the ethical guidelines of the declaration of Helsinki and has been approved by the ethics committees at the Hospital of Fattouma Bourguiba at Monastir-Tunisia. All participants signed the informed consent in writing before inclusion in the study.
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Sakly, R., Wolffenbuttel, B.H.R., Khochtali, I. et al. Increased skin autofluorescence of advanced glycation end products (AGEs) in subjects with cardiovascular risk factors. Int J Diabetes Dev Ctries 43, 613–620 (2023). https://doi.org/10.1007/s13410-022-01121-z
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DOI: https://doi.org/10.1007/s13410-022-01121-z