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Parental origin of chromosome 5 deletions in the cri-du-chat syndrome.

Abstract
The parental origin of de novo deletions leading to the cri-du-chat syndrome has been investigated. Since the cri-du-chat syndrome is correlated with deletions involving the short arm of chromosome 5 (5p), DNA fragments known to detect restriction fragment length polymorphisms (RFLPs) along 5p were used to establish whether the paternal or the maternal chromosome had suffered the deletion. In cases where only one parent was available, somatic cell hybrids were used in conjunction with RFLP analysis to determine the origin of the deleted chromosome. The deleted chromosome 5 was of paternal origin in 20/25 cases.
AuthorsJ Overhauser, J McMahon, S Oberlender, M E Carlin, E Niebuhr, J J Wasmuth, J Lee-Chen
JournalAmerican journal of medical genetics (Am J Med Genet) Vol. 37 Issue 1 Pg. 83-6 (Sep 1990) ISSN: 0148-7299 [Print] United States
PMID1978567 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Genetic Markers
Topics
  • Chromosome Deletion
  • Chromosomes, Human, Pair 5
  • Cri-du-Chat Syndrome (genetics)
  • Female
  • Genetic Markers
  • Humans
  • Male
  • Polymorphism, Restriction Fragment Length

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