Physiological temperature drives TRPM4 ligand recognition and gating. (https://pubmed.ncbi.nlm.nih.gov/38750366/)

These scientists wanted to understand how temperature affects a special protein called TRPM4, which is like a tiny gate that lets calcium ions flow into cells when it gets warm. They knew that studying this protein at the right temperature is really important because it can change how it works.

So, the scientists looked at TRPM4 using a special microscope that can take pictures of really small things. They found that when TRPM4 is at the same temperature as our bodies, it looks different compared to when it's colder. This change is because of a special spot inside TRPM4 that grabs onto calcium ions more tightly when it's warm.

The scientists also discovered that certain molecules, like decavanadate and ATP, can stick to TRPM4 in different places depending on the temperature. These molecules can either help TRPM4 work better or stop it from working altogether.

By taking pictures of TRPM4 at the right temperature, the scientists could see how it opens and closes like a gate to let calcium ions in. This is important because it helps us understand how TRPM4 senses changes in temperature.

Overall, this study shows that temperature can make a big difference in how TRPM4 works, and studying proteins at the right temperature is really important for scientists to learn more about how our bodies function.

Hu J., Park SJ., Walter T., Orozco IJ., O'Dea G., Ye X., Du J., Lu W. Physiological temperature drives TRPM4 ligand recognition and gating. Nature. 2024 May 15. doi: 10.1038/s41586-024-07436-7.

ichini | 3 weeks ago | 0 comments | Reply