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 ...

Cardiology

Mechanism discovered that leads to ANCA-associated vasculitis

The immune system can become the enemy when mechanisms that are actually protective get out of control. In ANCA-associated vasculitis, excessive inflammatory reactions lead to pulmonary hemorrhages that can be fatal if left ...

Medical research

Intervening to stop bone loss

Bone remodeling in the body involves a balancing act between osteoblasts, cells that build bone, and osteoclasts, cells that break it down. Diseases such as osteoporosis, arthritis, and periodontitis involve bone loss, and ...

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