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(2008)15-02859-04

ÊÕ¸åÈÕÆÚ£º2008-01-18 ÐÞ»ØÈÕÆÚ£º2008-03-12 (08-50-1-508/W¡¤Y)

Qualitative and quantitative analysis of actin and collagen in varicocele vessel wall

Abstract


BACKGROUND: At present, there are considerable investigations and reports concerning the vascular remodeling cum pathology, molecular biology, immunohistochemistry, drug effect to the disease of the heart and great vessels. But varicocele is seldom reported.
OBJECTIVE: To observe the change of the qualitation and quantitation of actin and collagen in varicocele vessel wall.
DESIGN, TIME AND SETTING: A synchronized non-randomized control observation was carried out in the Department of Urinary Surgery, the First Affiliated Hospital of Chongqing University of Medical Sciences from March 2006 to June 2007.
PARTICIPANTS: Thirty varicocele patients treated in Department of Urinary Surgery, the First Affiliated Hospital of Chongqing University of Medical Sciences from March 2006 to June 2007, were recruited for experimental group in this study. Their age was (26.29¡À9.12) years, and the course of disease was (2.76¡À1.83) years. Meanwhile, 24 normal spermatic veins from the donator of kidney transplantation, aged (39.56¡À8.32) years, were served as control group. All the patients and the donators' relatives signed the informed consent to the treatment.
METHODS: Changes of collagen fibers and actin in 24 normal spermatic veins and 30 varicocele veins were studied quantitatively and qualitatively by the methods of V-G staining, immunohistochemistry, and scanning electron microscopy. The image analysis was conducted.
MAIN OUTCOME MEASURES: Changes of smooth muscle cells (SMC), collagen fibers, type ¢ñ collagen, type ¢ó collagen and ¦Á-smooth muscle actin, as well as optical density and area density.
RESULTS: ¢ÙTunica intima hyperplasia and medial thickening were the main histological appearances of varicocele veins, SMC transformed from the contractile phenotype to the synthetic phenotype.¢ÚThe optical density and area density of ¦Á-actin, type ¢ñ collagen and type ¢ó collagen were increased significantly compared with the normal veins (P < 0.01).
CONCLUSION: The development of varicocele may be associated with paraplastic SMC transforming from the contractile phenotype to the synthetic phenotype, and the abnormal change of collagen in the extracellular matrix.

Liu XY, Gou X. Qualitative and quantitative analysis of actin and collagen in varicocele vessel wall.Zhongguo Zuzhi Gongcheng Yanjiu yu Linchuang Kangfu 2008;12(15):2859-2862(China)
[www.zglckf.com/zglckf/ejournal/upfiles/08-15/15k-2859(ps).pdf]

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