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[A study of genetic heterogeneity in Pfeiffer syndrome]
Abstract
Objective:
To understand the molecular pathology of Pfeiffer syndrome.
Methods:
DNA from peripheral blood was examined in 4 families with Pfeiffer syndrome by SSCP-sequence analyses and PCR-restriction enzyme digestion.
Results:
The authors found the mutations of FGFR2 gene in two families, an A to G transition in the 3' acceptor splice site of intron 8 in a family, and Asp321 Ala substitution in exon 9 in another family. In addition, the mutation in exon 5 of FGFR1 gene (Pro252Arg) was found in a family.
Conclusion:
These findings reveal the genetic heterogeneity of Pfeiffer syndrome and can help one understand the molecular mechanism of the disease.