← brief for 2026-09-23 · Regeneration & devices

Deletion of protein FSTL3 unravels the role of activin signaling in regulating macrophage L-arginine metabolism and kidney injury

Key takeaways

This study looked at a protein called FSTL3 in the lab. It found that this protein helps control how immune cells handle a chemical called L-arginine. This process is key to healing injured kidneys. The work was done in cells, not in people yet.

Source

Paper · Kidney International · 2026-09-23
https://www.kidney-international.org/article/S0085-2538(26)00810-0/fulltext?rss=yes