Document Detail


Sirenomelia and caudal malformations in two families.
MedLine Citation:
PMID:  22522670     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We report on two families with co-occurrence of sirenomelia and caudal malformations. In the first family, the mother had undergone surgery for a short form of imperforate anus. Her first pregnancy was terminated because of bilateral renal agenesis with oligohydramnios. Her second pregnancy was interrupted because of sirenomelia. The second family was referred to us because of caudal malformation in their two children. The parents' spinal radiographs were normal. The first pregnancy resulted in a girl with imperforate anus, absence of S3-S5 and coccyx, abnormal pelvic floor, and an almost bifid anteriorly located bladder. The second pregnancy resulted in a baby girl with sirenomelia. No diabetes was present during the pregnancies in either of these two families. These families confirm the hypothesis that major genes are responsible for the embryogenesis of the caudal part of the embryo, with variable expression, as has been already described in sirenomelia mouse models (CYP26A1, BMP7/tsg). Molecular studies are underway in these families and in sporadic cases in our laboratory to explore the genetic basis of sirenomelia in humans. © 2012 Wiley Periodicals, Inc.
Authors:
Marion Gerard; Valérie Layet; Teresa Costa; Yves Roumazeilles; Pierre Chenal; Daniel Cailliez; Bénédicte Gerard
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-20
Journal Detail:
Title:  American journal of medical genetics. Part A     Volume:  -     ISSN:  1552-4833     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101235741     Medline TA:  Am J Med Genet A     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Wiley Periodicals, Inc.
Affiliation:
Clinical Genetics, CHU Caen, Caen, France; Clinical Genetics, APHP Hôpital Robert Debré, Paris, France. gerard-m@chu-caen.fr.
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