Purpose: To identify the genetic causes of multiple morphological anomalies of the flagella (MMAF) and oligoasthenoteratozoospermia (OAT).
Methods: Whole-exome sequencing (WES) was performed on the proband to identify pathogenic mutation for infertility. Western blotting and immunofluorescence analysis detected the expression level and localization of adenylate kinase 7 (AK7).
Results: We identified a novel homozygous missense mutation (NM_152327: c.1846G > A; p.E616K) in AK7 in two brothers with MMAF and OAT from a consanguineous family by WES. Western blotting and immunofluorescence experiments determined that the expression level of AK7 decreased in the sperm from the proband. The proband and his wife underwent two cycles of intracytoplasmic sperm injection (ICSI) treatment but got unfavorable outcomes.
Conclusion: This study could provide precise genetic diagnosis for the patient and expand the spectrum of AK7 mutations.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8866610 | PMC |
| http://dx.doi.org/10.1007/s10815-021-02363-2 | DOI Listing |
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