wow. i LOVE this type of science.
the one that re-writes text books.
Seems that igM in the blood stream never comes alone and interacts with CD5L (a protein that is not generated by B cells). Congrats to the teams of Albert Heck and my dear colleagues and their teams from #Sanquin, #Gestur Vidarsson and #Theo Rispens

https://www.biorxiv.org/content/10.1101/2023.05.27.542462v1

#immunology #Bcells #textbook