Cell BiologybioRxiv
Heme stimulates platelet mitochondrial oxidant production via the activation of toll-like receptor 4 signaling to mediate targeted granule secretion
G. K. Annarapu, D. Nolfi-Donegan, M. Reynolds…·S. Shiva
This study shows that heme activates platelet TLR4 signaling, leading to mitochondrial ROS production and targeted granule secretion, with implications for thrombo-inflammatory responses.