Kenta Furutani1, Ru-Rong Ji2,3,4. 1. Center for Translational Pain Medicine, Department of Anesthesiology, Duke University Medical Center, Durham, NC, USA. 2. Center for Translational Pain Medicine, Department of Anesthesiology, Duke University Medical Center, Durham, NC, USA. ru-rong.ji@duke.edu. 3. Department of Neurobiology, Duke University Medical Center, Durham, NC, USA. ru-rong.ji@duke.edu. 4. Department of Cell Biology, Duke University Medical Center, Durham, NC, USA. ru-rong.ji@duke.edu.