Journal
GENETICS IN MEDICINE
Volume 11, Issue 11, Pages 778-782Publisher
NATURE PUBLISHING GROUP
DOI: 10.1097/GIM.0b013e3181b6573d
Keywords
Chromosome 18; chromosome deletions; haploinsufficiency; gene dosage; chromosome abnormality
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Funding
- Chromosome 18 Registry & Research Society
- MacDonald family
- NIH/NICHD [R01HD045907]
- JDC
- Frederic C. Banter General Clinical Research Center, San Antonio, TX [M01-RR-001346]
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Purpose: Microarray technology has revolutionized the field of clinical genetics with the ability to detect very small copy number changes. However, challenges remain in linking genotype with phenotype. Our goal is to enable a clinical geneticist to align the molecular karyotype information from an individual patient with the annotated genomic content, so as to provide a clinical prognosis. Methods: We have combined data regarding copy number variations, microdeletion syndromes, and classical chromosome abnormalities, with the sparse but growing knowledge about the biological role of specific genes to create a genomic map of Chromosome 18 with clinical utility. Results: We have created a draft model of such a map, drawing from our long-standing interest in and data regarding the abnormalities of Chromosome 18. Conclusion: We have taken the first step toward creating a genomic map that can be used by the clinician in counseling and directing preventive or symptomatic care of individuals with Chromosome 18 abnormalities. Genet Med 2009:11(11):778-782.
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