Journal
REPRODUCTIVE SCIENCES
Volume 29, Issue 12, Pages 3516-3520Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s43032-022-01024-8
Keywords
ZP1; Mutation; Empty follicle syndrome; Female infertility
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Funding
- National Natural Science Foundation of China [81000079, 81170165, 81870959]
- Program for HUST Academic Frontier Youth Team [2016QYTD02]
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In this study, a novel mutation in the ZP1 gene was identified using whole-exome sequencing. The study confirmed the important role of the ZP1 gene in human female reproduction, expanded the mutation spectrum of the gene, and increased its application in the clinical and molecular diagnosis of EFS.
ZP1 is a critical glycoprotein in the formation of the zona pellucida. It plays an indispensable role in the maturation of oocytes. To identify the causative gene of empty follicle syndrome (EFS) in a patient from a consanguineous family, whole-exome sequencing was performed in the proband. We identified a novel homozygous nonsense mutation c.1260C > G (p. Tyr420X) in the ZP1 gene from two primary infertile patients. Western blot showed that Y420X mutation in ZP1 gene produced a truncated protein. However, the mutation had no significant effect on subcellular localization of the mutant protein. Our findings confirmed the important role of the ZP1 gene in human female reproduction, enriched the mutation spectrums of ZP1 gene, and expanded its applications in the clinical and molecular diagnoses of EFS.
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