Abstract
There is an increasing interest in different biochemical roles of albumin (Alb) in respect to testicular function. For this reason, Alb was localized by the peroxidase-antiperoxidase technique in the testis of adult golden hamsters. A strong Alb immunoreactivity occurred in the interstitial space and on the surface of Leydig cells. A few Sertoli cells showed a strong Alb response under the appearance of so-called leakages traversing Sertoli-Sertoli cell junctions. Spermatogonia reacted strongly, while spermatids and sperms showed rather a mild, or moderate response. Spermatocytes remained unstained. When similar maturation stages of seminiferous tubules were compared, the number of reacting cells varied strikingly. Our results support the assumption that Alb or a protein with an Alb-like immunoreactivity exerts diverse functions of the testis.
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