Somatostatin receptors (SSTRs) constitute a crucial family of G protein-coupled receptors (GPCRs) that play pivotal roles in regulating hormone secretion and inhibiting tumor growth. Somatostatin receptors (SSTRs) constitute a crucial family of G protein-coupled receptors (GPCRs) that play pivotal roles in regulating hormone secretion and inhibiting tumor growth. Biochemistry Analytical Chemistry Phys.org – latest science and technology news stories