期刊
JOURNAL OF ASSISTED REPRODUCTION AND GENETICS
卷 33, 期 6, 页码 815-820出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10815-016-0715-3
关键词
Globozoospermia; Linkage analysis; SPATA16; GST pull-down; Male infertility
资金
- Agence Nationale de la Recherche and l'Agence de BioMedecine
- French Centre National de la Recherche Scientifique (CNRS)
- Institut National de la Sante et de la Recherche Medicale (INSERM)
- Ministere de l'Education Nationale et de l'Enseignement Superieur et de la Recherche
- University of Strasbourg
- University Hospital of Strasbourg
- Agence Nationale pour la Recherche
- Agence de la BioMedecine
The aim of this study is to identify potential genes involved in human globozoopsermia. Nineteen globozoospermic patients (previously screened for DPY19L2 mutations with no causative mutation) were recruited in this study and screened for mutations in genes implicated in human globozoospermia SPATA16 and PICK1. Using the candidate gene approach and the determination of Spata16 partners by Glutathione S-transferase (GST) pull-down four genes were also selected and screened for mutations. We identified a novel mutation of SPATA16: deletion of 22.6 Kb encompassing the first coding exon in two unrelated Tunisian patients who presented the same deletion breakpoints. The two patients shared the same haplotype, suggesting a possible ancestral founder effect for this new deletion. Four genes were selected using the candidate gene approach and the GST pull-down (GOPC, PICK1, AGFG1 and IRGC) and were screened for mutation, but no variation was identified. The present study confirms the pathogenicity of the SPATA16 mutations. The fact that no variation was detected in the coding sequence of AFGF1, GOPC, PICK1 and IRGC does not mean that they are not involved in human globozoospermia. A larger globozoospermic cohort must be studied in order to accelerate the process of identifying new genes involved in such phenotypes. Until sufficient numbers of patients have been screened, AFGF1, GOPC, PICK1 and IRGC should still be considered as candidate genes.
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