Medical research

Athletes' stem cell use gaining wider appeal

When ailing hockey legend Gordie Howe received stem cells grown by the San Diego company Stemedica, the story attracted international attention. But while Howe's status made his case seem exceptional, this once-exotic therapy ...

2 hours ago
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Guarding the gatekeepers

Information flow in cells relies on calcium as a key agent in several signalling pathways. Calcium dependent signalling is crucial in nearly every aspect of life - muscle movement, immune reactions, nerve function, light ...

5 hours ago
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New model of T cell activation

T cell receptors are an important part of the human immune system. They are able to switch their conformation from an inactive to an active state spontaneously without any antigens present. Cholesterol binds and stabilizes ...

8 hours ago
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