Article

The role of cell adhesion molecules in ischemic epididymal injury.

Department of Pediatric Surgery, Abanty Izzet Baysal University, Medical School, Bolu 14280, Turkey.
International Urology and Nephrology (impact factor: 1.47). 02/2008; 40(1):137-42. DOI:10.1007/s11255-007-9243-5 pp.137-42
Source: PubMed

ABSTRACT The aim of this study was to investigate the role of adhesion molecules in epididymal injury induced by ischemia-reperfusion (I-R) in the rats.
About 20 male Sprague-Dawley rats were separated into two groups. A sham operation was performed in group 1 (control). In group 2 (I-R), following 6 h of unilateral spermatic cord torsion, 1-h detorsion of the testis was performed. Then, epididymides were removed to measure the tissue levels of malondialdehyde (MDA) and to make histological examination.
Malondialdehyde values increased in group 2. In group 2, the rats demonstrated significant disorganization of the epithelium and loss of microvilli in the epididymal tissue. No abnormal microscopic findings of the epididymis of the rats in the control group. The tenascin expression in the interstitial area of the epididymis was intense in group 2. Intercellular adhesion molecule-1 (ICAM-1) expression by intense brown staining was seen along the basement membrane in epididymal tissue from I-R group rats. The microvillus sites of the epithelia in I-R group were stained mildly by lectin.
The increased expression of adhesion molecules found in epididymal injury induced during of postischemic reperfusion may implicate importance of inflammatory infiltration.

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Keywords

1-h detorsion
 
20 male Sprague-Dawley rats
 
basement membrane
 
epididymal injury induced
 
epididymal tissue
 
epithelia
 
group 1
 
group 2
 
group 2. Intercellular adhesion molecule-1
 
histological examination
 
I-R group rats
 
ICAM-1
 
inflammatory infiltration
 
intense brown staining
 
interstitial area
 
ischemia-reperfusion
 
sham operation
 
significant disorganization
 
tissue levels
 
unilateral spermatic cord torsion
 

Hayrettin Ozturk