Prenatal diagnosis · 2013
No evidence for mutations in NLRP7 and KHDC3L in women with androgenetic hydatidiform moles.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Mahadevan Sangeetha, Wen Shu, Balasa Alfred, Fruhman Gary, Mateus Julio, Wagner Andrew, Al-Hussaini Tarek, Van den Veyver Ignatia B
Аннотация
OBJECTIVE: The objective of this study was to evaluate the mutational spectrum of NLRP7 and KHDC3L (C6orf221) in women with sporadic and recurrent androgenetic complete hydatidiform moles (AnCHM) and biparental hydatidiform moles (BiHM) to address the hypothesis that autosomal recessive mutations in these genes are only or primarily associated with BiHM.
METHOD: We recruited 16 women with suspected recurrent and sporadic AnCHM and five women with suspected BiHM in addition to their reproductive partners into our study. We then sequenced the coding exons of NLRP7 and KHDC3L from DNA isolated from either blood or saliva from the study subjects.
RESULTS: Sequence analysis of NLRP7 and KHDC3L revealed previously described single nucleotide polymorphisms in patients with AnCHM. However, in patients with BiHM, we identified a novel homozygous mutation and a previously described intragenic duplication of exons 2 to 5 in NLRP7, both of which are likely to be disease causing. We did not identify mutations in KHDC3L in patients with either form of hydatidiform moles.
CONCLUSIONS: The absence of mutations in women with AnCHM supports a role for NLRP7 or KHDC3L in BiHM only. The absence of mutations in KHDC3L in women with BiHM is consistent with its minor role in this disease compared with NLRP7, the major BiHM gene.
METHOD: We recruited 16 women with suspected recurrent and sporadic AnCHM and five women with suspected BiHM in addition to their reproductive partners into our study. We then sequenced the coding exons of NLRP7 and KHDC3L from DNA isolated from either blood or saliva from the study subjects.
RESULTS: Sequence analysis of NLRP7 and KHDC3L revealed previously described single nucleotide polymorphisms in patients with AnCHM. However, in patients with BiHM, we identified a novel homozygous mutation and a previously described intragenic duplication of exons 2 to 5 in NLRP7, both of which are likely to be disease causing. We did not identify mutations in KHDC3L in patients with either form of hydatidiform moles.
CONCLUSIONS: The absence of mutations in women with AnCHM supports a role for NLRP7 or KHDC3L in BiHM only. The absence of mutations in KHDC3L in women with BiHM is consistent with its minor role in this disease compared with NLRP7, the major BiHM gene.