human skin wound-healing roadmap cleanly separates acute-support and chronic-failure programs

fact lesson principle wound-healing aging reprogramming

修改:20260425033600000

human skin wound-healing roadmap cleanly separates acute-support and chronic-failure programs


''结论'': Human skin wound healing can be organized into distinct phase-linked cell programs that are directly useful for comparing repair with reprogramming.

急性修复的关键跨细胞协同


- 公开摘要指出:''pro-inflammatory macrophages and fibroblasts sequentially support keratinocyte migration like a relay race across different healing stages''。
- 这意味着 acute repair 不是单一细胞状态,而是一个按时间串接的支持回路:先炎症细胞,再成纤维细胞,最终共同推进 keratinocyte migration / re-epithelialization。

慢性创面的失败程序


- 同一摘要指出:''failed keratinocyte migration'' 与 ''impaired inflammatory response'' 在 chronic wounds 中相关。
- 因而 chronic repair failure 的核心不是简单“炎症高/低”,而是上皮迁移与炎症响应的协同失配。

可复用教训


- 在同一组织内锁定阶段-细胞图谱时,应优先找:
1) acute 的支持型细胞接力;
2) chronic 的迁移/炎症断裂点;
3) 与重编程相比,哪些程序是共享的应激/炎症编辑,哪些是再生性恢复。
- 这类图谱比单一 marker 更适合作为 senescence / partial reprogramming 情境依赖性的比较基座。

''来源线索'': Cell Stem Cell 2025, PMID 39729995, "Spatiotemporal single-cell roadmap of human skin wound healing"(摘要与网页检索 snippet)