- Platelets activated by collagen through the immunoreceptor tyrosine-based activation motif in the Fc receptor gamma-chain play a pivotal role in the development of myocardial ischemia-reperfusion injury. Takaya, N., Katoh, Y., Iwabuchi, K., Hayashi, I., Konishi, H., Itoh, S., Okumura, K., Ra, C., Nagaoka, I., Daida, H. J. Mol. Cell. Cardiol. (2005)