blood testing

An OpenArray panel designed to simultaneously test for 17 viruses and 13 bacteria and protozoa was able to detect pathogens from human blood donor samples with an accuracy of about 95 percent.

The test can now be used to detect EGFR mutations in tissue and blood for lung cancer patients considering treatment with the tyrosine kinase inhibiting drugs Tarceva and Tagrisso. 

The new guidance could benefit Hologic and Roche, both of which market molecular blood screening tests authorized by the FDA under an investigational new drug study protocol.

A Winthrop-University Hospital team showed that demethylated circulating cell-free DNA from dying oligodendrocytes is a biomarker for relapsing-remitting MS.

The company said the cartridge covers more than 100 diagnostic targets and detects 16 antibiotic resistance biomarkers.

The Swiss firm's assay combines a 29-gene host immune response panel with two tumor-derived proteins to detect early-stage colorectal cancer and large adenomatous polyps.

Researchers identified genes with differential expression in blood from cattle with pre-clinical or clinical cases of atypical bovine spongiform encephalopathy.

The Cobas Zika test is a qualitative in vitro nucleic acid screening test for the direct detection of Zika virus in plasma specimens from human blood donors.

The company will use the funds to advance commercialization of its blood test for post-surgical monitoring of colorectal cancer occurrence.

The company said it plans to launch a clinical trial to validate its Immray PanCan-d blood test in both Europe and the US.

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Jay Shendure and his colleagues have developed a new method to more comprehensively identify human cell types, the NY Times reports.

Researchers in the UK and Japan have shown that infertility in mice with three sex chromosomes can be overcome, according to the Guardian.

China is embracing preimplantation genetic diagnosis, Nature News reports. 

In PLOS this week: host genetic factors associated with cervical neoplasia progression, population patterns for an ancient flowering rainforest plant, and more.