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From the Inside

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A new device developed by researchers at MIT is the latest weapon in the cancer-fighting arsenal, says New Scientist's Ferris Jabr. The tiny implantable tool can "track" the growth of a tumor from the inside — it's small enough to fit inside a needle and can be inserted during a regular biopsy, Jabr says. The small capsule is filled with magnetic nanoparticles containing monoclonal antibodies which can bind to molecules that indicate the presence of cancer. Doctors can use an MRI scan to "read" the device and detect the cancer-related molecules inside it, Jabr adds.

The Scan

Study Tracks Responses in Patients Pursuing Polygenic Risk Score Profiling

Using interviews, researchers in the European Journal of Human Genetics qualitatively assess individuals' motivations for, and experiences with, direct-to-consumer polygenic risk score testing.

EHR Quality Improvement Study Detects Demographic-Related Deficiencies in Cancer Family History Data

In a retrospective analysis in JAMA Network Open, researchers find that sex, ethnicity, language, and other features coincide with the quality of cancer family history information in a patient's record.

Inflammatory Bowel Disease Linked to Gut Microbiome Community Structure Gradient in Meta-Analysis

Bringing together data from prior studies, researchers in Genome Biology track down microbial taxa and a population structure gradient with ties to ulcerative colitis or Crohn's disease.

Ancient Greek Army Ancestry Highlights Mercenary Role in Historical Migrations

By profiling genomic patterns in 5th century samples from in and around Himera, researchers saw diverse ancestry in Greek army representatives in the region, as they report in PNAS.