Surgery

Virus found in pig heart used in human transplant

Researchers trying to learn what killed the first person to receive a heart transplant from a pig have discovered the organ harbored an animal virus but cannot yet say if it played any role in the man's death.

Biomedical technology

Plug-and-play organ-on-a-chip can be customized to the patient

Engineered tissues have become a critical component for modeling diseases and testing the efficacy and safety of drugs in a human context. A major challenge for researchers has been how to model body functions and systemic ...

Medical research

Scientists illuminate mechanism of common drug target

Roughly a third of all drugs approved by the U.S. Food and Drug Administration target a large family of biomolecules, known as G protein-coupled receptors (GPCRs), whose job is to trigger cellular responses to extracellular ...

Medications

EXPLAINER: COVID-19 pills must be taken within 5 days

Newly infected COVID-19 patients have two treatment options that can be taken at home. But that convenience comes with a catch: The pills have to be taken as soon as possible once symptoms appear.

Medications

Administration expands availability of COVID antiviral pill

President Joe Biden's administration is taking steps to expand availability of the life-saving COVID-19 antiviral treatment Paxlovid, seeking to reassure doctors that there is ample supply for people at high risk of severe ...

Cardiology

New miniature heart could help speed heart disease cures

There's no safe way to get a close-up view of the human heart as it goes about its work: you can't just pop it out, take a look, then slot it back in. Scientists have tried different ways to get around this fundamental problem: ...

Medications

Biden admin to promote availability of COVID antiviral pill

President Joe Biden and his administration want Americans and their doctors to know that the country has an ample supply of the life-saving COVID-19 antiviral treatment Paxlovid and that it no longer needs to be rationed.

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