immunolocalization of galectin-3 in mouse testicular tissue
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abstract
objective(s) galectin-3 (gal-3) is a member of the b-galactoside-binding lectins which is expressed in a variety of tissues and plays a role in diverse biological events, such as embryogenesis, adhesion, cellular proliferation, and apoptosis. in this study, the presence and distribution of galectin-3 (gal-3) in the mouse testicular tissue was investigated. materials and methods eight adult nmri mice were used in this study. animals were sacrificed by decapitation under ether anesthesia. the testes were excised, fixed in 10% buffered formalin and embedded in paraffin for immunohistochemical (ihc) studies. h-score, a semi-quantitative method, was used for scaling the immunostaining. results positive immunoreactivity to gal-3 was detected in the connective tissues of the interstitium, leydig cells and presumably peritubular myoid cells. seminiferous tubules showed immuno-positive reaction in a stage dependent manner. stages i-iii and ix-xii of spermatogenic cycle showed mild immunostaining, while moderate immunostaining was observed at stages iv-vi. highest immunoreactivity was observed at stages vii-viii. h-score assessment showed a significant increase in stages of vii-viii in comparison to other stages (p< 0.05). conclusion expression of gal-3 in interstitial tissue and seminiferous tubules indicated that this protein probably has multifunctional roles in the mouse testicular tissue.
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Journal title:
iranian journal of basic medical sciencesجلد ۱۴، شماره ۴، صفحات ۳۴۹-۳۵۳
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