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- Title
Expression Changes of Transforming Growth Factor-Beta1 and Thrombospondin-1 in Cavernous Tissues of Diabetic Rats.
- Authors
Xiao-Ming Zhang; Pei-Hua Shi; Sai-Hong Cao; He-Jun Yu; Junaid Azad; Shu-Cai Ling
- Abstract
Objective: To assess transforming growth factor-β1 (TGF-β1) and thrombospondin-1 (TSP-1) expression in the cavernous tissue of rats with streptozotocin (STZ)-induced diabetes. Materials and Methods: Twenty male Sprague-Dawley rats were randomly divided into 2 groups: diabetics and controls. We injected STZ intraperitoneally to induce diabetes, and studied the alterations in TGF-β1 and TSP-1 expression in the cavernous tissue of the 2 groups by immunohistochemistry and real-time quantitative reverse transcription polymerase chain reaction. HE staining was also applied to determine morphological changes. Weight, blood sugar and urine sugar were measured before and after model induction in both groups. Results: Expression of TGF-β1 and TSP-1 increased significantly in the cavernous tissue of the diabetic rats compared to the control group. Conclusions: TGF-β1 and TSP-1 expression changes in cavernous tissues may play an important role in diabetic erectile dysfunction. Copyright © 2010 S. Karger AG, Basel
- Subjects
TRANSFORMING growth factors-beta; TISSUES; STREPTOZOTOCIN; LABORATORY rats; PEOPLE with diabetes; IMMUNOHISTOCHEMISTRY
- Publication
Urologia Internationalis, 2010, Vol 84, Issue 2, p221
- ISSN
0042-1138
- Publication type
Article
- DOI
10.1159/000277602