PET Imaging of Innate Immune Activation Using 11C Radiotracers Targeting GPR84

Mausam Kalita, Jun Hyung Park, Renesmee Chenting Kuo, Samira Hayee, Sara Marsango, Valentina Straniero, Israt S Alam, Angelie Rivera-Rodriguez, Mallesh Pandrala, Mackenzie L Carlson, Samantha T Reyes, Isaac M Jackson, Lorenzo Suigo, Audrey Luo, Sydney C Nagy, Ermanno Valoti, Graeme Milligan, Frezghi · 2023

Read PET Imaging of Innate Immune Activation Using 11C Radiotracers Targeting GPR84 by Mausam Kalita, Jun Hyung Park, Renesmee Chenting Kuo, Samira Hayee, Sara Marsango, Valentina Straniero, Israt S Alam, Angelie Rivera-Rodriguez, Mallesh Pandrala, Mackenzie L Carlson, Samantha T Reyes, Isaac M Jackson, Lorenzo Suigo, Audrey Luo, Sydney C Nagy, Ermanno Valoti, Graeme Milligan, Frezghi (2023) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-10751761.txt.

Description

A large research team built and tested two imaging tracers for a receptor tied to immune flare-ups in the brain, in work published in 2023. The receptor, GPR84, rises on immune cells when long-term inflammation switches on. A tracer that sticks to it could let scans show that inflammation as it happens.

The team made two carbon-11 tracers and checked them in lab cells first. Both stuck far more to cells carrying the receptor than to plain cells, and a blocking drug cut that binding by over 90 percent. In healthy mice, one tracer entered the brain better and cleared in a cleaner pattern. In mice with body-wide and brain inflammation, that tracer lit up the brain, liver, lung, and spleen, and the blocker confirmed the signal was on target.

Catalog record

CREATORMausam Kalita, Jun Hyung Park, Renesmee Chenting Kuo, Samira Hayee, Sara Marsango, Valentina Straniero, Israt S Alam, Angelie Rivera-Rodriguez, Mallesh Pandrala, Mackenzie L Carlson, Samantha T Reyes, Isaac M Jackson, Lorenzo Suigo, Audrey Luo, Sydney C Nagy, Ermanno Valoti, Graeme Milligan, Frezghi
YEAR2023
COLLECTIONPAPERS
FORMATTXT
FILE SIZE51 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC10751761

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