G protein-coupled receptors (GPCRs) are essential for cell signal transduction and comprise the largest drug target protein family. Upon agonist stimulation, these receptors activate multiple ...

Glucagon is a peptide hormone secreted primarily from the alpha cells of the pancreatic islets of Langerhans. Minor amounts are also produced in the L cells of the intestine and certain neurons of the ...

People with diabetes take insulin to lower high blood sugar. However, if glucose levels plunge too low—from taking too much insulin or not eating enough sugar—people can experience hypoglycemia, which ...