Dormant Setd4+ Hepatocytes

Regenerative recovery after chronic injury

As a reserve population, Setd4+ cells survive chronic injury and are activated via chromatin remodeling to initiate liver regeneration.

Jia, Zheng · Zhuang, Tian · Ri-Sheng, Yang · Yun-Wen, Gu · Yi-Zhe, Zeng · Christopher, Wood · Yang, Shu · Yang, Weijun

Journal of Hepatology 2025

Advantages

Survive under chronic injury

Activate to proliferate and facilitate regenerative recovery

Dormancy maintained by H4K20me3-mediated heterochromatin

Activation triggered by chromatin accessibility remodeling