PITTSBURGH -- Pittsburgh Steelers free safety Ryan Clark 's spleen was removed during surgery Thursday, a day after he was ...

When Indian cricketer Shreyas Iyer landed awkwardly while taking that spectacular catch in Sydney, fans thought he might have just bruised his ribs. But it turned out to be something much more serious ...

Spleen tyrosine kinase (Syk) is a cytosolic non-receptor protein kinase central to signal transduction downstream of immunoreceptors in haematopoietic cells. Through the B-cell receptor (BCR) and Fc ...