Augen A. Pioszak

Papers

Total Citations

150

H-Index

About

Augen A. Pioszak is a structural biologist whose work has fundamentally advanced our understanding of how peptide hormones engage with their G-protein-coupled receptors (GPCRs), a critical class of drug targets. His research centers on the molecular recognition mechanisms of class B GPCRs, which mediate the actions of major hormones involved in stress, metabolism, and bone homeostasis. Pioszak’s landmark study on the corticotropin-releasing factor receptor CRFR1, cited over 150 times, provided the first detailed picture of how a stress-related neuropeptide binds its receptor, revealing a two-domain interaction model that has become a paradigm for the entire receptor family. This work not only illuminated the activation of the hypothalamic-pituitary-adrenal axis but also offered a structural framework for designing therapeutics for stress disorders. His broader contributions include solving structures of the parathyroid hormone and calcitonin receptors, and his use of protein engineering and X-ray crystallography has consistently delivered high-impact insights into GPCR signaling. For students and researchers, Pioszak’s work exemplifies how structural biology can bridge basic hormone physiology and rational drug design.