CEP44 and CCDC15 label the spermatozoa proximal and atypical distal centrioles

The centrosome is a conserved characteristic of eukaryotic and human cells but is highly specialized in reproductive cells. The spermatozoan centrosome includes a slightly modified proximal centriole, an atypical distal centriole, and specialized pericentriolar material, including striated columns and capitellum. We investigated the localization of canonical centriolar proteins CEP44 and CCDC15 in human spermatozoa. We found that CEP44 localizes mainly at the proximal centriole and distal centriole bases relative to centrin. CCDC15 colocalizes with centrin in both the proximal centriole and distal centriole. These findings further our understanding of the spermatozoan centrosome composition.

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Publication Details

Journal
PubMed
Published
2024-10-21
DOI
https://doi.org/10.17912/micropub.biology.001393
Primary Topic
Sperm and Testicular Function
Type
article
Field-Weighted Citation Impact
0.00

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article

CEP44 and CCDC15 label the spermatozoa proximal and atypical distal centrioles

J K Suh, Tariq A. Shah, Tomer Avidor‐Reiss, Samantha B. Schon et al.
PubMed
Sperm and Testicular Function
article

CEP44 and CCDC15 label the spermatozoa proximal and atypical distal centrioles

J K Suh, Tariq A. Shah, Tomer Avidor‐Reiss, Samantha B. Schon, Puneet Sindhwani, Luke Achinger, Nagalakshmi Nadiminty, Briggs Hehl
article en

Abstract

The centrosome is a conserved characteristic of eukaryotic and human cells but is highly specialized in reproductive cells. The spermatozoan centrosome includes a slightly modified proximal centriole, an atypical distal centriole, and specialized pericentriolar material, including striated columns and capitellum. We investigated the localization of canonical centriolar proteins CEP44 and CCDC15 in human spermatozoa. We found that CEP44 localizes mainly at the proximal centriole and distal centriole bases relative to centrin. CCDC15 colocalizes with centrin in both the proximal centriole and distal centriole. These findings further our understanding of the spermatozoan centrosome composition.

PubMedVol. 2025
University of Michigan (US), Michigan United (US), University of Toledo (US)
National Institute of Child Health and Human Development, Eunice Kennedy Shriver National Institute of Child Health and Human Development
Openalex Percentile: Top 63%
Sperm and Testicular Function
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