Wound fibroblasts arrive in the right place at the right time.

A two-gene lineage-tracing strategy maps fibroblast movement during skin wound healing from bottom to top at high resolution, resolving where and when wound fibroblasts arrive.

• Why it matters: It has been hard to determine how fibroblasts maintain or repair tissues because molecular markers overlap across cell populations.
• What they did: Guo et al. used a two-gene labeling approach to lineage-trace fibroblasts while skin wounds healed, tracking their trajectories at high resolution.
• The result: The work shows wound fibroblasts reach the correct location and timing during healing, enabling clearer principles for fibroblast behavior in repair.

AI summary of the abstract · may contain errors · not medical advice · read the paper.