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Coronavirus replication relies on newly identified host enzyme, study finds

A research team at Ruhr University Bochum, Germany, has identified a previously unknown cellular mechanism crucial to the replication of coronaviruses: c-Jun N-terminal kinase (JNK) is activated during infection with human ...

Medical research

Why older mice have smaller offspring—and how sex may play a role

A study by University of Manchester scientists has revealed some of the mechanisms which may explain why older mice are more likely to give birth to offspring that have not grown to their full potential in the womb.

Medical research

Opt-out organ donation policies may reduce organ supply

Every day, 17 Americans die while waiting for an organ transplant. Opt-out organ donation policies, which enroll everyone into post-mortem donation programs by default unless people choose to opt out, have been touted as ...

Medical research

Weight-loss drug semaglutide shown to reduce cocaine use in rats

Scientists have found that the diabetes/weight loss drug semaglutide, sold commercially under brand names like Ozempic and Wegovy, significantly reduces cocaine-seeking behavior in rats. This work needs to be confirmed in ...

Medical research

Pioneering strategy may keep breast cancer from coming back

A first-of-its-kind clinical trial has shown it's possible to identify breast cancer survivors who are at higher risk of their cancer coming back due to the presence of dormant cancer cells and to effectively treat these ...

Medical research

Could octopuses hold the key to curing cancer?

Scientific breakthroughs often emerge from unexpected and unlikely places. The development of penicillin was an accident, Velcro was inspired by plant burrs and multiple cancer treatments have been developed from sea sponges.

Medical research

Adjusting drug timing can boost fertility, study suggests

Researchers at Osaka Metropolitan University have found that changing the timing of fertility drugs to match the follicle maturity period significantly increases the number of ovulated oocytes—the cells that develop into ...