Medical research

Extracellular viscosity linked to cancer spread

New research findings show how higher viscosity, or resistance to flow, of the extracellular fluid that surrounds cells enables cancer cells to migrate more rapidly from a primary tumor to other sites in the body.

Medical research

When macrophage digestion goes wrong

The exchange of gases between the air we breathe and our blood takes place via alveoli—tiny air sacs in our lungs. For this process to run smoothly, the epithelial cells of the alveoli produce a substance called "surfactant" ...

Medical research

Innate immunity: The final touch for antimicrobial defense

If bacteria enter the body, it often takes just a few minutes for the innate immune system to recognize them as foreign and set the immune defense in motion. Receptors of the immune system that recognize bacterial cell wall ...

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