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Myriad Genetics Prequel

Myriad Genetics commercially launched an enhanced version of the Prequel Prenatal Screen. The enhanced noninvasive prenatal screen analyzes 23 chromosome pairs instead of the standard five chromosomes (13, 18, 21, X and Y) it previously gauged. According to the company, the ability to assess additional chromosomes enhances the test's clinical utility by improving aneuploidy detection by 30 percent. Myriad is combining the NIPS Prequel tests with its Foresight Carrier Screen and is marketing them to all female patients, including women who have a high body mass index, are an ovum donor, or have a twin pregnancy. The expanded offering will be available for doctors to order on Feb. 19. 

The Scan

Latent HIV Found in White Blood Cells of Individuals on Long-Term Treatments

Researchers in Nature Microbiology find HIV genetic material in monocyte white blood cells and in macrophages that differentiated from them in individuals on HIV-suppressive treatment.

Seagull Microbiome Altered by Microplastic Exposure

The overall diversity and the composition at gut microbiome sites appear to coincide with microplastic exposure and ingestion in two wild bird species, according to a new Nature Ecology and Evolution study.

Study Traces Bladder Cancer Risk Contributors in Organ Transplant Recipients

In eLife, genome and transcriptome sequencing reveal mutation signatures, recurrent somatic mutations, and risky virus sequences in bladder cancers occurring in transplant recipients.

Genes Linked to White-Tailed Jackrabbits' Winter Coat Color Change

Climate change, the researchers noted in Science, may lead to camouflage mismatch and increase predation of white-tailed jackrabbits.