A Case of 3q29 Microdeletion Syndrome Involving Oral Cleft Inherited From a Nonaffected Mosaic Parent: Molecular Analysis and Ethical Implications
Objective: The objective of this study was to use array comparative genomic hybridization to detect causal microdeletions in samples of subjects with cleft lip and palate. Subjects: We analyzed DNA samples from a male patient and his parents seen during surgical screening for an Operation Smile medical mission in the Philippines. Method: We used Affymetrix(R) Genome-Wide Human SNP Array 6.0 followed by sequencing and quantitative polymerase chain reaction using SYBR Green I dye. Results: We report the second case of 3q29 microdeletion syndrome including cleft lip with or without cleft palate and the first case of this microdeletion syndrome inherited from a phenotypically normal mosaic parent. Conclusions: Our findings confirm the usefulness of a comparative genomic hybridization to detect causal microdeletions and indicate that parental somatic mosaicism should be considered in healthy parents for genetic counseling of the families. We discuss important ethical implications of sharing health impact results from research studies with the participant families.
A. L. Petrin, Sandra Daack-Hirsch, J. L'heureux, and Jeff C. Murray. "A Case of 3q29 Microdeletion Syndrome Involving Oral Cleft Inherited From a Nonaffected Mosaic Parent: Molecular Analysis and Ethical Implications" The Cleft Palate-Craniofacial Journal 48.2 (2011): 222-230.
Available at: http://works.bepress.com/sandra_daack-hirsch/33
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