Abstract:
:Expression of facilitative glucose transporters (Glut 1, 2 and 3) was examined by Western blot analyses 10, 20 and 30 days following surgically induced unilateral abdominal cryptorchidism. The cryptorchid testes exhibited marked degenerative changes in the seminiferous tubules and spermatogonia, impaired and incomplete spermatogenesis and lack of spermatozoa in the lumen. Immunoblotting of testis proteins with Glut transporter antibodies revealed only the presence of Glut 2 and 3 proteins. Glut 2 expression in abdominal testis was increased (45%, 67%, and 40% at 10, 20 and 30 days, respectively) but no significant change was observed in contralateral scrotal testis. Glut 3 expression was reduced by 85-95% compared with contralateral scrotal testis. A significant decrease in Glut 3 levels in abdominal testis was accompanied by an increase in scrotal testis Glut 3 content (80%, 144% and 212% at 10, 20 and 30 days, respectively) compared to age matched control rats. These results suggested that the degenerative changes in abdominal testis may be associated with decreased Glut 3 mediated glucose transport in seminiferous tubules and spermatogonia.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Farooqui SM,Al-Bagdadi F,O'Donnell JM,Stout Rdoi
10.1006/bbrc.1997.6954subject
Has Abstractpub_date
1997-07-18 00:00:00pages
407-12issue
2eissn
0006-291Xissn
1090-2104pii
S0006-291X(97)96954-0journal_volume
236pub_type
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