Unite Fonctionnelle de Genetique Medicale

Vandœuvre-lès-Nancy, France

Unite Fonctionnelle de Genetique Medicale

Vandœuvre-lès-Nancy, France

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Muhlstein J.,University of Lyon | Golfier F.,University of Lyon | Rittore C.,Unite Medicale des Maladies Auto inflammatoires | Hajri T.,University of Lyon | And 5 more authors.
European Journal of Obstetrics Gynecology and Reproductive Biology | Year: 2011

Objectives: The NLRP7 gene (19q13.42) is associated with recurrent and/or familial hydatidiform moles. Several mutations, histopathological types and reproductive outcomes have been described. We studied our recurrent hydatidiform mole cases recorded since 1999 in order to identify links between clinic, histology and genetics. Study: We present here the gestational history and the spectrum of NLRP7 mutations in our French series. Design: We performed a retrospective study from clinical forms received for genetic diagnosis. Cases declaration was based on a voluntary initiative coming from French practitioners, subjected to patients' agreement. Results: Among 12 recurrent hydatidiform moles investigated, we identified 3 cases of confirmed homozygous NLRP7 mutation and 3 cases of heterozygous NLRP7 mutation. One patient bore a novel mutation p.Leu880Ser in a homozygous state. Conclusions: We here identified a new homozygous NLRP7 mutation. Unfortunately, no modern therapeutic option has proven effective to obtain evolutive pregnancies. Then, fundamental and clinical researches seem to be necessary. Moreover, collecting RHM cases is essential. © 2011 Elsevier Ireland Ltd.

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