Insulin signaling is a key pathway involved in the regulation of glucose metabolism, energy homeostasis, and cell growth. Insulin is a hormone produced by the pancreas that plays a crucial role in controlling blood sugar levels by promoting the uptake of glucose into cells. In insulin signaling, insulin binds to its receptor on the surface of cells, triggering a cascade of molecular events that ultimately regulate various cellular processes, such as glucose uptake, glycogen synthesis, protein synthesis, and lipid metabolism. Dysregulation of insulin signaling is associated with various metabolic disorders, including diabetes and obesity. Research in this area focuses on understanding the mechanisms of insulin signaling, identifying potential therapeutic targets for metabolic diseases, and developing new treatments to improve insulin sensitivity and glucose metabolism.