Researchers in Spain and the UK have used mass spectrometric analysis to demonstrate in vivo that the uterine environment can change in the presence of gametes.
While such changes had previously been shown in vitro, the work, performed in the porcine reproductive system, is the first to report and demonstrate changes in oviductal protein secretion in living mammals in response to the presence of sperm and oocytes in the oviduct at the time of ovulation, the researchers said.

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360Dx reports that the US Centers for Medicare & Medicaid Services would cover next-generation sequencing-based cancer panel tests.

The Washington Post reports that a meteorologist is being considered as presidential science and technology advisor.

In PNAS this week: precision medicine strategy to screen for disease risk, genome evolution in Haemophilus influenzae, and more.

Researchers have developed a PCR-based assay to gauge whether manatees are present in waters.