Non-invasive Measurement of Skin Autofluorescence as a Beneficial Surrogate Marker for Atherosclerosis in Patients with Type 2 Diabetes

  • Temma Jin
    Department of Hematology, Endocrinology & Metabolism, Institute of Biomedical Sciences, Tokushima University Graduate School
  • Matsuhisa Munehide
    Diabetes Therapeutics and Research Center, Tokushima University
  • Horie Toru
    Tenma Hospital
  • Kuroda Akio
    Diabetes Therapeutics and Research Center, Tokushima University
  • Mori Hiroyasu
    Diabetes Therapeutics and Research Center, Tokushima University
  • Tamaki Motoyuki
    Diabetes Therapeutics and Research Center, Tokushima University
  • Endo Itsuro
    Department of Hematology, Endocrinology & Metabolism, Institute of Biomedical Sciences, Tokushima University Graduate School
  • Aihara Ken-ichi
    Department of Hematology, Endocrinology & Metabolism, Institute of Biomedical Sciences, Tokushima University Graduate School
  • Abe Masahiro
    Department of Hematology, Endocrinology & Metabolism, Institute of Biomedical Sciences, Tokushima University Graduate School
  • Matsumoto Toshio
    Fujii Memorial Institute of Medical Sciences, Tokushima University

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Advanced glycation end-products (AGEs) are thought to play a major role in the pathogenesis of diabetic vascular complications. Skin autofluorescence (AF) was recently reported to represent tissue AGEs accumulation with a non-invasive method. The aim of the present study was to evaluate association between AF value and diabetic vascular complications, such as retinopathy, nephropathy and cervical atherosclerosis using the carotid intima-media thickness (IMT), an established marker of cardiovascular disease in patients with type 2 diabetes. A total of 68 patients with type 2 diabetes were enrolled in a cross-sectional manner. AGEs accumulation was measured with AF reader. Clinical parameters were collected at the time of AF and IMT measurement. Max-IMT was correlated with age and AF (r=0.407, p=0.001), but not with HbA1c, GA, and pentosidine. Also, AF was not correlated with HbA1c, GA and pentosidine, but was correlated with age (r=0.560, p<0.001), duration of diabetes (r=0.256, p<0.05). Multivariate regression analysis revealed that AF, but not age, was an independent determinant of max-IMT. In conclusion, AF might be a beneficial surrogate marker for evaluating carotid atherosclerosis in patients with type 2 diabetes non-invasively. J. Med. Invest. 62: 126-129, August, 2015

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