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. 2023 Dec 1;81(1):1. doi: 10.1007/s00018-023-05025-x

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© The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

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Fig. 3 — Impaired spermiogenesis in Ccdc146^−/− mice. (A) PAS-hematoxylin staining of Ccdc146^−/− testis sections showed abnormal sperm nuclear shape. rSt round spermatid, spt spermatozoa, M meiotic spermatocyte, eSt elongating spermatid. The asterisk indicates abnormally elongated spermatids at stage XI in Ccdc146^−/− mice. (B) PAS-hematoxylin staining of spermatids at different steps from Ccdc146^+/+ and Ccdc146^−/− mice. Scale bars: 10 μm (A); 2·5 μm (B)