This study identifies Col20a1 as a marker for terminal Schwann cells and shows they regulate presynaptic vesicle homeostasis but not neuromuscular junction integrity in mice.

bioRxiv · Jun 19, 2026 · PreprintNeuroscience

Rejuvenation-Responsive and Senolytic-Sensitive Muscle Stem Cells Unveiled by CD200 and CD63 in Geriatric Muscle

Ye Lynne Kim, Young-Woo Jo, Takwon Yoo, Kyusang Yoo, Ji-Hoon Kim, Myungsun Park, In-Wook Song, Hyun Kim, Yea-Eun Kim, Sang‐Hyeon Hann, Jong-Eun Park, Daehyun Baek, Young‐Yun Kong

The paper identifies a new subpopulation of aged muscle stem cells (GERI-MuSCs) that are senolytic-sensitive and rejuvenation-responsive, characterized by CD200 and CD63 markers.

bioRxiv · Aug 29, 2025 · PreprintDevelopmental Biology

Muscle-resident mesenchymal progenitors sense and repair peripheral nerve injury via the GDNF-BDNF axis

Kyusang Yoo, Young‐Woo Jo, Takwon Yoo, Sang‐Hyeon Hann, Inkuk Park, Yea-Eun Kim, Ye Lynne Kim, Joonwoo Rhee, In-Wook Song, Ji-Hoon Kim, Daehyun Baek, Young‐Yun Kong

This study identifies a subset of muscle-resident FAPs that respond to peripheral nerve injury via the GDNF-BDNF axis, contributing to remyelination and nerve regeneration.

eLife · Aug 30, 2024Peer-reviewedNeuroscience