Family-Based Whole-Genome Sequencing Reveals Candidates for Mendelian Disease
Roach, Glusman et al., Science
Researchers at the Institute for Systems Biology and Complete Genomics have identified candidate disease-causing genes for Miller syndrome and ciliary dyskinesia, both Mendelian disorders. They sequenced the genomes of a family of four, allowing them to determine recombination sites with precision (at 99.999 percent accuracy) and identify rare single-nucleotide polymorphisms. "Our results demonstrate the unique value of complete genome sequencing in families," the authors write.
Insurers Tracking Unnecessary Testing with Myriad's BRACAnalysis Tests
Data from two national insurers, Humana and Aetna, shows that around 20 percent of requests for the test do not meet requirements for testing under their policy. A United Healthcare official has cited competitors' data suggesting that as much as 80 percent of requests for Myriad's BRCA test are withdrawn after pre-certification and genetic counseling procedures are conducted.
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