| Identification of new FOXP3 mutations and prenatal diagnosis of IPEX syndrome. | |
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MedLine Citation:
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PMID: 20842625 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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OBJECTIVE: Molecular diagnosis and prenatal care of two pregnant women at risk of transmitting immunodysregulation, polyendocrinopathy, enteropathy X-linked (IPEX) syndrome. METHODS: FOXP3 coding sequence and exon boundaries were analyzed in the two consultants and family members. Non-invasive sex determination and specific prenatal diagnosis was realized. RESULTS: Following sequence analysis a new FOXP3 mutation was identified in each consultant. Sex diagnosis realized by amplification of Y sequences from the plasma of the two mothers revealed a male and a female fetus, respectively. Prenatal diagnosis showed that the male fetus was unaffected. The baby is now born and healthy. Subsequent ultrasound examinations confirmed the sex in the second pregnancy but unfortunately led to the diagnosis of a 69,XXX triploidy. The pregnancy was thus interrupted. CONCLUSION: Two new FOXP3 mutations were identified and prenatal diagnosis could be proposed. Due to the rarity of the disease, clinical diagnosis is often considered with delay. Both patients reported here were already pregnant at the beginning of the genetic investigation and one had previously interrupted a male pregnancy for lack of diagnosis. When faced with children with severe refractory diarrhea, clinicians should entertain the possibility of IPEX. |
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Authors:
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Radu Harbuz; James Lespinasse; Stéphanie Boulet; Christine Francannet; Isabelle Creveaux; Mariem Benkhelifa; Pierre-Simon Jouk; Joël Lunardi; Pierre F Ray |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Prenatal diagnosis Volume: 30 ISSN: 1097-0223 ISO Abbreviation: Prenat. Diagn. Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-10-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8106540 Medline TA: Prenat Diagn Country: England |
Other Details:
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Languages: eng Pagination: 1072-8 Citation Subset: IM |
Affiliation:
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Département de Génétique et Procréation, CHU de Grenoble, France. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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