I am Li Ruijie, from Dunhuang, Gansu Province. I received my bachelor’s degree from Soochow University and my master’s degree in Clinical Laboratory Diagnostics from Chongqing Medical University. My current research focuses on pancreatic β-cell Ca²⁺ dynamics and insulin secretion, particularly the physiological mechanisms underlying Ca²⁺ oscillations, glucose-stimulated insulin secretion, and the coupling and decoupling between intracellular Ca²⁺ signals and insulin secretory responses.