Salipro Biotech publishes research in Scientific Reports on structure-function studies for membrane proteins in collaboration with AstraZeneca
STOCKHOLM, March 28, 2023 /PRNewswire/ -- Salipro Biotech today announces the publication of results from a collaboration with AstraZeneca. The study describes a novel method to directly extract membrane proteins from cells into lipid Salipro nanoparticles, enabling structure-function analysis using surface plasmon resonance (SPR) and cryo-electron microscopy (cryo-EM) for challenging drug targets. For this study, the teams leveraged GeneArt Gene-to-Protein Services, part of Thermo Fisher Scientific, for protein production with structure determination support from Thermo Fisher. The results were published on January 25th, 2023 and can be accessed at https://rdcu.be/c4cDp.
The scientists extracted and purified functional membrane proteins directly from cells using the membrane protein PANX1 as a case study. PANX1 is associated with various pathologies, including inflammation, pain, ischemia, and epilepsy. Exploration of PANX1 as a potential therapeutic target for novel therapeutics has however been limited due to overall lack of biophysical studies using isolated systems.
"Analyzing membrane proteins using SPR can pose a challenge due to the inherent instability of these drug targets and the difficulty in immobilizing enough functional membrane protein on the biosensor surface to ensure a measurable binding signal. By employing this innovative technique, we were able to confirm target engagement and measure the binding affinities of various pharmacological agents that are known to inhibit PANX1 activity." commented Stefan Geschwindner, Director of Biophysics, AstraZeneca.
"These results provide the basis for further investigations of novel PANX1 binders, leading to the development of more potent and specific compounds to further probe the biology of PANX1 and its potential as a therapeutic target. The novel methodology presented here accelerates the purification of membrane proteins that are ready to generate high-resolution cryo-EM structures, without the need for laborious and time-consuming detergent screenings, protein engineering or inefficient screening of alternative scaffolding setups." said Robin Löving, CSO of Salipro Biotech.
"We are excited to see the synergies of our collaboration come together, enabling the first structure-function studies of this drug target and laying the groundwork for future investigations of novel PANX1 binders." said Jens Frauenfeld, CEO of Salipro Biotech. "Once again we demonstrate that combining the strengths of complementary technologies indeed streamlines the process of discovering new therapeutic ligands and accelerates the development of new drugs."
Salipro Biotech AB
Maria Lisa Knudsen
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