Splicing Mutation in DNALI1 Causes Male Infertility with Severe Oligoasthenoteratozoospermia in Humans
© 2024. The Author(s), under exclusive licence to Society for Reproductive Investigation..
Oligo-astheno-teratozoospermia (OAT), which is a common cause of male infertility, can be caused by genetic factors. This study reports on a case of a male patient suffering from infertility concomitant with OAT. Whole-exome sequencing (WES) confirmed the presence of a homozygous variant (NM_003462: c.464-1G > A) in the DNALI1 gene via Sanger sequencing. Immunofluorescence staining demonstrated that the DNALI1 signal was nearly undetectable in the patient's sperm. Bioinformatics analysis revealed that this mutation could reverse the splicing of the exon 4 acceptor splice site. A minigene experiment was performed to verify the mutation and the results confirmed that the mutation disrupted the splicing. Our findings show that this rare mutation in DNALI1 contributes to male infertility and OAT in humans, thereby expanding our understanding of the causes and pathogenesis of male infertility. This knowledge facilitates genetic counseling, clinical diagnosis, and therapeutic development of male infertility.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
Reproductive sciences (Thousand Oaks, Calif.) - (2024) vom: 11. Jan. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Fengbin [VerfasserIn] |
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| Links: |
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| Themen: |
DNALI1 |
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| Anmerkungen: |
Date Revised 11.01.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1007/s43032-023-01451-1 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM36703137X |
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| 520 | |a Oligo-astheno-teratozoospermia (OAT), which is a common cause of male infertility, can be caused by genetic factors. This study reports on a case of a male patient suffering from infertility concomitant with OAT. Whole-exome sequencing (WES) confirmed the presence of a homozygous variant (NM_003462: c.464-1G > A) in the DNALI1 gene via Sanger sequencing. Immunofluorescence staining demonstrated that the DNALI1 signal was nearly undetectable in the patient's sperm. Bioinformatics analysis revealed that this mutation could reverse the splicing of the exon 4 acceptor splice site. A minigene experiment was performed to verify the mutation and the results confirmed that the mutation disrupted the splicing. Our findings show that this rare mutation in DNALI1 contributes to male infertility and OAT in humans, thereby expanding our understanding of the causes and pathogenesis of male infertility. This knowledge facilitates genetic counseling, clinical diagnosis, and therapeutic development of male infertility | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Oligo-astheno-teratozoospermia | |
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| 700 | 1 | |a Zheng, Huimei |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Jinggen |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Weikang |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Lejun |e verfasserin |4 aut | |
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