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The Cancer Version of the O.K. Corral

A team of researchers at Duke University are using collapsible microscopic bubbles to shoot drugs directly through the walls of a cancer cell, according to New Scientist's Jamie Condliffe. When the bubbles collapse, they release a jet of medication so powerful that it can punch through cell walls. The researchers formed the bubbles by applying heat or ultrasound to a liquid — when the pulse is taken away, the bubbles burst, Condliffe says. The team struggled with the problem of controlling the direction and strength of the jet, but using specific laser wavelengths, the researchers were able to show that pairs of bubbles in close proximity collapse in a predictable pattern, which means they could be used as a targeted drug delivery system, Condliffe adds.

The Scan

Study Reveals New Details About Genetics of Major Cause of Female Infertility

Researchers in Nature Medicine conducted a whole-exome sequencing study of mote than a thousand patients with premature ovarian insufficiency.

Circulating Tumor DNA Shows Potential as Biomarker in Rare Childhood Cancer

A study in the Journal of Clinical Oncology has found that circulating tumor DNA levels in rhabdomyosarcoma may serve as a biomarker for prognosis.

Study Recommends Cancer Screening for Dogs Beginning Age Seven, Depending on Breed

PetDx researchers report in PLOS One that annual cancer screening for dogs should begin by age seven.

White-Tailed Deer Harbor SARS-CoV-2 Variants No Longer Infecting Humans, Study Finds

A new study in PNAS has found that white-tailed deer could act as a reservoir of SARS-CoV-2 variants no longer found among humans.