Decrease in the glyceraldehyde derived advanced glycation end products in the sera of patients with Vogt-Koyanagi-Harada disease
- M Kitamura1,4,
- N Kitaichi1,
- M Takeuchi2,
- H Kitamei1,4,
- K Namba1,
- S-i Yamagishi3,
- K Iwabuchi4,
- K Onoé4,
- S Ohno1
- 1Department of Ophthalmology and Visual Sciences, Hokkaido University Graduate School of Medicine, Sapporo, Japan
- 2Department of Pathophysiological Science, Faculty of Pharmaceutical Sciences, Hokuriku University, Kanazawa, Japan
- 3Department of Internal Medicine III, Kurume University School of Medicine, Kurume, Japan
- 4Division of Immunobiology, Institute for Genetic Medicine, Hokkaido University, Sapporo, Japan
- Correspondence to: Mizuki Kitamura MD, Department of Ophthalmology and Visual Sciences, Hokkaido University Graduate School of Medicine, Sapporo, Japan, Kita 15, Nishi 7, Kita-ku, Sapporo 060-8638, Japan; mizukita825ybb.ne.jp
- Accepted 1 July 2005
Abstract
Background/aims: Advanced glycation end products (AGEs) are considered to act as mediators of both age related pathologies and diabetic complications. It was recently reported that glyceraldehyde derived AGE (AGE-2) has a strong biological effect on various diseases. The aim of this study was to investigate the serum AGE-2 levels in Vogt-Koyanagi-Harada (VKH) disease.
Methods: Sera were obtained from 31 patients with active VKH. 20 of these 31 patients were treated with systemic corticosteroids. As controls, 33 healthy volunteers were also examined. The serum AGE-2 levels were determined with a competitive enzyme linked immunosorbent assay using AGE-2 polyclonal antibody.
Results: The mean AGE-2 level in the sera of patients with VKH disease was 4.91 (SD 2.23) U/ml, which was significantly lower than that of the healthy control subjects (8.32 (2.94), p<0.001). The average serum AGE-2 level significantly increased to 13.49 (2.17) U/ml after the patients were treated with systemic corticosteroids (p<0.001).
Conclusions: These results suggest that AGE-2 may be involved in the onset of VKH disease.
- AGEs, advanced glycation end products
- EAAU, experimental autoimmune anterior uveitis
- ELISA, enzyme linked immunosorbent assay
- RAGE, receptor for AGE
- VKH, Vogt-Koyanagi-Harada
- Vogt-Koyanagi-Harada disease
- advanced glycation end products
- melanocyte
- AGEs, advanced glycation end products
- EAAU, experimental autoimmune anterior uveitis
- ELISA, enzyme linked immunosorbent assay
- RAGE, receptor for AGE
- VKH, Vogt-Koyanagi-Harada
- Vogt-Koyanagi-Harada disease
- advanced glycation end products
- melanocyte







