2008
DOI: 10.1007/s10695-008-9253-y
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Cell junctions in fish seminiferous epithelium

Abstract: Similar to mammals, in fish the cellular interactions between Sertoli cells (SC) and germ cells (GC) in the seminiferous epithelium have important structural and functional roles. In this review, we give a brief summary of these interactions, in particular those on the cell junctions. Despite the scarcity of detailed empirical data, it appears that both basic types of adhesive junctions (actin- and intermediate filaments-related) are present between SC. However, the actin-related multifunctional junction known… Show more

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Cited by 31 publications
(21 citation statements)
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“…at the beginning of spermiogenesis [4,46]. The quantitative analysis of the changes in Sertoli cell 26 numbers per cysts during tilapia spermatogenesis [47] showed that after a new cyst had formed, the …”
mentioning
confidence: 99%
“…at the beginning of spermiogenesis [4,46]. The quantitative analysis of the changes in Sertoli cell 26 numbers per cysts during tilapia spermatogenesis [47] showed that after a new cyst had formed, the …”
mentioning
confidence: 99%
“…This must be explored in other commercially important fish species because of the obvious advantages of non-chemical methods. Further, judging by the frequency of animals with possession of different types of germ cells in the gonadal sections during histological observation and cell counting, males of all the three species were found to be heat-sensitive (Ito et al, 2003;Batlouni et al, 2009) and germ cells (GCs) were rapidly proliferated and differentiated than females. Although animals from open pond (low temperature) also exhibited GCs proliferations, but at comparatively slower pace.…”
Section: Discussionmentioning
confidence: 99%
“…The similar trend was also observed in other two species (Figure 4). Further, the histological section revealed that 100 % (Batlouni et al, 2009) (Tables 1 and 2; Figure 5). The remaining 20% of L. bata and 40% of C. mrigala represented presence of only cysts of spermatogonia and spermatocyte but the efferent ducts did not contain spermatozoa.…”
Section: Water Temperature and Gonadal Developmentmentioning
confidence: 98%
“…As in mammals, Sertoli cells in the fish testis are attached to one each other by specialized cell junctions, although they are not as specialized as mammalian ones [32]. As the fish testis is a cystic structure in which a cohort of germ cells is surrounded by a cohort of Sertoli cells, the blood-testis barrier is only organized in those cysts that contain post-meiotic germ cells [33], so the transition of germ cells through the blood-testis barrier does not take place in fish.…”
Section: The Blood-testis Barriermentioning
confidence: 99%
“…Interestingly, the unique adhesion junctions observed in the mammalian testis and known as the "ectoplasmic specialization" have not been observed in the fish species studied to date. Any differences between fish species described not only refer to the morpho-functional characteristics but also to the molecular composition of Sertoli-Sertoli cell adhesion structures (see for review [32,34]). The appearance of tight junctions only in the cyst containing spermatids in all the fish species studied has led to the postulation that the main function of the Sertoli cells barrier in fish testis might be to develop a highly specialized microenvironment for haploid germ cells [35,36].…”
Section: The Blood-testis Barriermentioning
confidence: 99%