Immunology

Fever alters immune cells so they can better reach infections

Fever is known to help power up our immune cells, and scientists in Shanghai have new evidence explaining how. They found in mice that fever alters surface proteins on immune cells like lymphocytes to make them better able ...

Oncology & Cancer

Tracing biological pathways

A new chemical process developed by a team of Harvard researchers greatly increases the utility of Positron Emission Tomography (PET) in creating real-time 3-D images of chemical process occurring inside the human body.

Medical research

Brazil finds coffee protein with morphine effect

Brazilian scientists have discovered a protein in coffee that has effects similar to pain reliever morphine, researchers at the state University of Brasilia (UnB) and state-owned Brazilian Agricultural Research Corporation ...

Medical research

Compound made inside human body stops viruses from replicating

The newest antiviral drugs could take advantage of a compound made not by humans, but inside them. A team of researchers has identified the mode of action of viperin, a naturally occurring enzyme in humans and other mammals ...

Medical research

Fountain of youth in bile? Longevity molecule identified

The human quest for longer life may be one step closer, thanks to research from Concordia University. Published in the journal Aging, a new study is the first to identify the role of a bile acid, called lithocholic acid (LCA), ...

Medical research

Microbiome: Untapped source of novel antimicrobials

Just as Gold Rush prospectors once mined the Northern California hills for the shiny precious metal, "bioprospectors" are searching for a new prize: potential antimicrobial molecules—and they are hunting them down in the ...

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