Accumulation of AGEs and VEGF in Eyes of SDT Rats

Autor: Nozomi Kinoshita, Akihiro Kakehashi, Hiroko Yamagami, Kana Hashimoto, Masanobu Kawakami, San-e Ishikawa, Fumihiko Toyoda, Chiho Kanbara, Hiroyuki Tamemoto, Yasunori Kanazawa, Yoh Dobashi
Rok vydání: 2011
Předmět:
Zdroj: The Open Diabetes Journal. 4:41-44
ISSN: 1876-5246
DOI: 10.2174/1876524601104010041
Popis: Background/Aims: The Spontaneously Diabetic Torii (SDT) rat develops advanced diabetic retinopathy (DR). The aim of this study was to identify advanced glycation end products (AGEs) related to vascular endothelial growth factor (VEGF) expression, a cause of DR in SDT rats. Methods: One eye was obtained from six SDT rats (blood glucose, >250 mg/dl) and 10 nondiabetic normal Sprague- Dawley (SD) rats and prepared for immunohistochemical study of VEGF and AGEs (pyrraline, pentosidine, carboxy methyl lysine (CML)). Immunostaining was described as minimal, moderate, and severe. Results: In diabetic rats, for CML, five eyes had severe and one moderate immunostaining. For pyrraline, one eye had moderate and five eyes minimal immunostaining. For pentosidine, one eye had moderate and five eyes minimal immunostaining. For VEGF, three eyes each had moderate and severe immunostaining. In nondiabetic rats, for CML one eye had minimal, seven had moderate, and two had severe immunostaining. For pyrraline, four eyes had moderate and six eyes minimal immunostaining. For pentosidine, 10 eyes had minimal immunostaining. For VEGF, one eye had moderate and nine had minimal immunostaining. The prevalence rates of CML and VEGF were significantly (P
Databáze: OpenAIRE