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British and French researchers reported today that they have investigated ties between more than a dozen previously detected, low penetrance risk variants and the risk of developing breast cancer and sub-types of the disease.

After looking for associations between common CNVs and eight common diseases in more than 16,000 affected individuals, members of the Wellcome Trust Case Control Consortium concluded that these CNVs aren't major players in these diseases.

A co-author of the study said that "the presence or absence of the biomarker can now be used as a diagnostic test to identify which patients will benefit from this drug," and added that their approach can be used to screen the efficacy of any drug for any disease.

Sequenom also said that it amended its license with Isis Innovation for IP underlying its SEQureDx Down syndrome test, which the firm continues to develop following an investigation into mishandled R&D test data and results.

Using genomic, phylogenetic, and biogeographic analyses, British and Danish researchers have found evidence suggesting foamy viruses co-evolved with mammals over millions of years.

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Richard Chin, John Rossi, Alice Lin-Tsing, Kenneth Reed

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Hagan Bayley, Detlef Weigel, Todd Smith, Michael Sadowsky, Catalina Lopez-Correa, Garry Merry

The study is noteworthy because the researchers were able to identify all four bases of DNA in a heteropolymeric background of DNA immobilized inside the pore, according to senior author Hagan Bayley, a professor of chemistry at Oxford.

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Bruno Sobral, Michael Gilman, Kathy Gibson, Uwe Christians,Herbert Fritsche, Dan Crowther

The research, published online Sunday in Nature Nanotechnology, is the first to show that scientists can detect unlabeled single DNA bases "to a confidence level … appropriate for a highly competitive commercial sequencing system," Oxford Nanopore's CEO said.

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Three genetic testing companies form a coalition to influence how Congress considers genetic privacy, The Hill reports.

University of California, San Diego researchers investigate how skin care products influence the skin microbiome, Scientific American reports.

The Wall Street Journal examines billing codes used by uBiome.

In PNAS this week: links between lung adenocarcinoma and lncRNA, algorithm to impute and cluster Hi-C interaction profiles from single cells, and more.