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Research conducted over the last 15 years indicates that cAMP is generated not just from the plasma membrane but also from intracellular compartments, particularly in endosomes, where receptors are redistributed during the endocytosis process. This review centers on the parathyroid hormone type 1 receptor (PTH1R) as a model for a peptide hormone GPCRs that generates cAMP from various locations with distinct duration and pharmacological effectiveness. We discuss how structural dynamics simulations aid in designing ligands that induce cAMP location bias, ultimately answering how the spatiotemporal generation of cAMP affects pharmacological responses mediated by the PTH1R.

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Structure-Encoded Location Biased Signaling in a Class B GPCR: Focus on the PTH Type 1 Receptor

  • 章节

  • 发表日期：

    2025年

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  • Karina A. Peña,
  • Jean-Pierre Vilardaga

摘要

Research conducted over the last 15 years indicates that cAMP is generated not just from the plasma membrane but also from intracellular compartments, particularly in endosomes, where receptors are redistributed during the endocytosis process. This review centers on the parathyroid hormone type 1 receptor (PTH1R) as a model for a peptide hormone GPCRs that generates cAMP from various locations with distinct duration and pharmacological effectiveness. We discuss how structural dynamics simulations aid in designing ligands that induce cAMP location bias, ultimately answering how the spatiotemporal generation of cAMP affects pharmacological responses mediated by the PTH1R.