Purification, preliminary characterization and immunohistochemical localization of POSVP21 in the sand rat (Psammomys obesus) seminal vesicles

Kaci-Ouchfoun, N.; Hadj-Bekkouche, F.; Abbadi, Mohamed Chérif; Gernigon-Spychalowicz, T.

doi:10.1016/j.theriogenology.2007.10.023

Cited by 4 publications

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“…In a previous study [16], translation of whole RNA from seminal vesicles revealed one major band of 21 kDa with the same molecular weight. POSVP 21 mRNA produced the same product (at 21 kDa).…”

Section: Discussionmentioning

confidence: 72%

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POSVP21, a major secretory androgen-dependent protein from sand rat seminal vesicles, identified as a transgelin

Kaci-Ouchfoun¹,

Incamps²,

Hadj-Bekkouche³

et al. 2010

Asian J Androl

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The seminal vesicles of adult sand rat contain a major secretory protein band (MW 21 kDa) designated as Psammomys obesus seminal vesicles protein of 21 kDa (POSVP 21 ). This protein is abundant in secretions, regulated by androgens and also present in the vaginal plug. POSVP 21 accounts for over 22.3% of soluble proteins from homogenate during the breeding season, 13.3% during the middle season and 5.3% during the hormonal regression season. It is absent during the non-breeding season. POSVP 21 is localized in the cytoplasm of epithelial cells and in secretory products in the lumen. It presents an immunological homology with two epididymal proteins with the same molecular weight and a high degree of homology with transgelin from rat (Rattus norvegicus).

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Section: Discussionmentioning

confidence: 72%

“…POSVP 21 is localized in the cytoplasm of the epithelial cells of the seminal vesicles and in the secretory products in the lumen during the breeding season [16].…”

Section: Introductionmentioning

confidence: 99%