Article
Holoprosencephaly and holoprosencephaly-like phenotype and GAS1 DNA sequence changes: Report of four Brazilian patients.
American journal of medical genetics. Part A - 1 Jul 2010
Ribeiro Lucilene Arilho, Quiezi Rodrigo Gonçalves, Nascimento Adriana, Bertolacini Claudia Pereira, Richieri-Costa Antonio
Abstract excerpt
Holoprosencephaly (HPE) is genetically heterogeneous. Variable phenotypic manifestations within families with normal and affected patients have been attributed to the number and type of HPE gene mutations. Environmental agents may also contribute to the severity as well as the requirement of multiple hits. Clinical expression is extremely variable ranging from minor facial signs to complex craniofacial anomalies...
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