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Lighting up a native pancreatic islet isn’t just a technical win it’s a shift in what GPCR imaging can reveal

Lighting up a native pancreatic islet isn’t just a technical win — it’s a shift in what GPCR imaging can reveal

Published on

December 8, 2025

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Our latest Dr. GPCR blog breaks down the moment Dr. Johannes Broichhagen and David Hodson realized their fluorescent peptide probe could visualize GLP-1R across an entire intact islet — not in an overexpression system, but in real tissue.


This is the kind of advance that matters for anyone building tools, assays, or therapeutics around receptor biology:


  • Higher fidelity GPCR imaging without antibody variability

  • Surface-pool selectivity — the pharmacologically relevant population

  • Compatibility with live cells, tissue, and deep-imaging setups

  • A design logic that extends to other GPCRs


Just as important: the collaboration model behind the science.Trust, interdisciplinary thinking, and a shared drive to build tools that actually work at the bench.


If your team relies on receptor visualization — discovery, screening, translational work — this story has strategic takeaways you’ll want to steal.


🔗 Read the blog : https://www.ecosystem.drgpcr.com/post/when-the-islet-lit-up-advancing-gpcr-imaging-in-native-tissue

#GPCR #DrGPCR #GPCRimaging #biotech #drugdiscovery

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