Ameliorative effects of aminoguanidine on rat aorta in Streptozotocin induced diabetes and evaluation of SMA expression
Küçük Resim Yok
Tarih
2014
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Anadolu Kardiyoloji Dergisi/The Anatolian Journal of Cardiology
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
Objective: Diabetes mellitus is one of the chronic metabolic diseases which is characterized by microvascular and macrovascular complications.
This study was designed to investigate the improving the effects of amnioguanidine on aortic damage in a streptozotocin (STZ) induced
diabetic rat model.
Methods: Thirty-two male Sprague-Dawley rats divided into four groups as follows: Control, Aminoguanidine, Diabetes, and
Diabetes+Aminoguanidine. Experimental diabetes was induced by single dose STZ (45 mg/kg) intraperitoneally. After administration of STZ, the
DM+AMG group began to receive AMG (1 g/L) was prepared by dissolving in tap water during 10 weeks. At the end of the study, blood glucose
levels were determined and rats were sacrified by ketamine anesthesia. Following routine tissue process, aortas were embedded in paraffin.
Histochemical (H-E and Orcein) and immunohistochemical α-smooth muscle actin (α-SMA) stains were applied and the sections examined by
light microscope. Statistical analysis was carried out using the SPSS 13.0 statistical program.
Results: The rats in diabetes group had significantly higher blood glucose levels than the rats of control. The main histological alterations were
detected in tunica media such as extensive thickening (414.32±9.62 μm), irregular of elastic fibers and intensive α-SMA staining in diabetic rats.
The thickness of tunica media was statistically increased in DM group, when compared with the control group (p<0.001). On the other hand,
AMG prevented disorganization of elastic fibers and overexpression of α-SMA. The mean thickness of tunica media was decreased significantly
in DM+AMG (319.16±6.53 μm) compared with the DM group (p<0.001).
Conclusion: Our results demonstrate that AMG treatment may protect the impairment of aort structure at histological level.
Açıklama
Anahtar Kelimeler
Diabetes, Aminoguanidine, A-smooth muscle actin, Nitric oxide, Aorta, Rat
Kaynak
Anadolu Kardiyoloji Dergisi/The Anatolian Journal of Cardiology
WoS Q Değeri
Scopus Q Değeri
Cilt
14
Sayı
8
Künye
Elbe, H. Vardı, N. Orman, D. Taşlıdere, E. Yıldız, A. (2014). Ameliorative effects of aminoguanidine on rat aorta in Streptozotocin induced diabetes and evaluation of SMA expression. Anadolu Kardiyoloji Dergisi/The Anatolian Journal of Cardiology, 14(8), 679–684.
