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Simple, once‐off mapping of various, recurrent immunostaining patterns of proliferating cell nuclear antigen in spermatogonia at the immature pole of the testis of adult wild‐caught blue shark, Prionace glauca: Correlations with changes in testicular status

Permanent lenke
https://hdl.handle.net/10037/30911
DOI
https://doi.org/10.1002/mrd.23429
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article.pdf (1.312Mb)
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Dato
2020-10-26
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Forfatter
McClusky, Leon Mendel
Sammendrag
This study was a single time-point mapping of various immunostaining patterns revealed with the proliferating cell nuclear antigen (PCNA) PC10 antibody in spermatogonia at the immature pole of the testis of the Blue shark (Prionace glauca). Scattered in the stroma of the germinal ridge that demarcates the immature pole's outer boundary were nests of variously immunoreactive A-spermatogonia, each flanked by a fusiform cell. Spermatocysts were assembled from niche-derived stromal cells, displaced A-progenitors, and their progeny, which showed one of two main immunostaining patterns (i.e., an uneven light brown/globular and homogeneous dark [hod] brown appearance). The testes of wild-caught Prionace showed two conditions, namely, extensive multinucleate cell death (MNC) near the mitosis–meiosis transition or an early recovery phase from the latter showing vacuolated areas. Both the proportion of cysts with immature Bhod-spermatogonia and the frequency of mitotic figures in such cysts in the early recovery testis condition were significantly higher than the comparable parameters in MNC testis condition. Moreover, the post-MNC recovery phase revealed a decrease in the proportion of immature cysts with uneven light brown/globular-like spermatogonia. The protracted spread of a cell cycle signal in an anatomically discrete, syncytially connected spermatogonial clone manifests as different PCNA immunoreactivities.
Beskrivelse
This is the peer reviewed version of the following article: McClusky L. Simple, once‐off mapping of various, recurrent immunostaining patterns of proliferating cell nuclear antigen in spermatogonia at the immature pole of the testis of adult wild‐caught blue shark, Prionace glauca: Correlations with changes in testicular status. Molecular Reproduction and Development. 2020;87(11):1111-1123, which has been published in final form at https://doi.org/10.1002/mrd.23429. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
Forlag
Wiley
Sitering
McClusky L. Simple, once‐off mapping of various, recurrent immunostaining patterns of proliferating cell nuclear antigen in spermatogonia at the immature pole of the testis of adult wild‐caught blue shark, Prionace glauca: Correlations with changes in testicular status. Molecular Reproduction and Development. 2020;87(11):1111-1123
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Copyright 2020 The Author(s)

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