A CD26+ tendon stem progenitor cell population contributes to tendon repair and heterotopic ossification

Abstract Inadequate tendon healing and heterotopic bone formation result in substantial pain and disability, yet the specific cells responsible for tendon healing remain uncertain. Here we identify a CD26+ tendon stem/progenitor cells residing in peritendon, which constitutes a primitive stem cell p...

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Main Authors: Siwen Chen, Yingxin Lin, Hao Yang, Zihao Li, Sifang Li, Dongying Chen, Wenjun Hao, Shuai Zhang, Hua Chao, Jingyu Zhang, Jianru Wang, Zemin Li, Xiang Li, Zhongping Zhan, Hui Liu
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-025-56112-5
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author Siwen Chen
Yingxin Lin
Hao Yang
Zihao Li
Sifang Li
Dongying Chen
Wenjun Hao
Shuai Zhang
Hua Chao
Jingyu Zhang
Jianru Wang
Zemin Li
Xiang Li
Zhongping Zhan
Hui Liu
author_facet Siwen Chen
Yingxin Lin
Hao Yang
Zihao Li
Sifang Li
Dongying Chen
Wenjun Hao
Shuai Zhang
Hua Chao
Jingyu Zhang
Jianru Wang
Zemin Li
Xiang Li
Zhongping Zhan
Hui Liu
author_sort Siwen Chen
collection DOAJ
description Abstract Inadequate tendon healing and heterotopic bone formation result in substantial pain and disability, yet the specific cells responsible for tendon healing remain uncertain. Here we identify a CD26+ tendon stem/progenitor cells residing in peritendon, which constitutes a primitive stem cell population with self-renewal and multipotent differentiation potentials. CD26+ tendon stem/progenitor cells migrate into the tendon midsubstance and differentiation into tenocytes during tendon healing, while ablation of these cells led to insufficient tendon healing. Additionally, CD26+ tendon stem/progenitor cells contribute to heterotopic ossification and Tenascin-C-Hippo signaling is involved in this process. Targeting Tenascin-C significantly suppresses chondrogenesis of CD26+ tendon stem/progenitor cells and subsequent heterotopic ossification. Our findings provide insights into the identification of tendon stem/progenitor cells and illustrate the essential role of CD26+ tendon stem/progenitor cells in tendon healing and heterotopic bone formation.
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publishDate 2025-01-01
publisher Nature Portfolio
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series Nature Communications
spelling doaj-art-184e76d9494b4c8585f6ef3cb2cbf4502025-01-19T12:29:46ZengNature PortfolioNature Communications2041-17232025-01-0116111810.1038/s41467-025-56112-5A CD26+ tendon stem progenitor cell population contributes to tendon repair and heterotopic ossificationSiwen Chen0Yingxin Lin1Hao Yang2Zihao Li3Sifang Li4Dongying Chen5Wenjun Hao6Shuai Zhang7Hua Chao8Jingyu Zhang9Jianru Wang10Zemin Li11Xiang Li12Zhongping Zhan13Hui Liu14Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen UniversitySchool of Mathematics and Statistics, The University of SydneyPediatric Orthopaedics, Beijing Jishuitan Hospital, Peking UniversityDepartment of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen UniversityDepartment of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen UniversityDepartment of Rheumatology and Immunology, The First Affiliated Hospital, Sun Yat-sen UniversityDepartment of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen UniversityDepartment of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen UniversityDepartment of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen UniversityDepartment of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen UniversityDepartment of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen UniversityDepartment of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen UniversityDepartment of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen UniversityDepartment of Rheumatology and Immunology, The First Affiliated Hospital, Sun Yat-sen UniversityDepartment of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen UniversityAbstract Inadequate tendon healing and heterotopic bone formation result in substantial pain and disability, yet the specific cells responsible for tendon healing remain uncertain. Here we identify a CD26+ tendon stem/progenitor cells residing in peritendon, which constitutes a primitive stem cell population with self-renewal and multipotent differentiation potentials. CD26+ tendon stem/progenitor cells migrate into the tendon midsubstance and differentiation into tenocytes during tendon healing, while ablation of these cells led to insufficient tendon healing. Additionally, CD26+ tendon stem/progenitor cells contribute to heterotopic ossification and Tenascin-C-Hippo signaling is involved in this process. Targeting Tenascin-C significantly suppresses chondrogenesis of CD26+ tendon stem/progenitor cells and subsequent heterotopic ossification. Our findings provide insights into the identification of tendon stem/progenitor cells and illustrate the essential role of CD26+ tendon stem/progenitor cells in tendon healing and heterotopic bone formation.https://doi.org/10.1038/s41467-025-56112-5
spellingShingle Siwen Chen
Yingxin Lin
Hao Yang
Zihao Li
Sifang Li
Dongying Chen
Wenjun Hao
Shuai Zhang
Hua Chao
Jingyu Zhang
Jianru Wang
Zemin Li
Xiang Li
Zhongping Zhan
Hui Liu
A CD26+ tendon stem progenitor cell population contributes to tendon repair and heterotopic ossification
Nature Communications
title A CD26+ tendon stem progenitor cell population contributes to tendon repair and heterotopic ossification
title_full A CD26+ tendon stem progenitor cell population contributes to tendon repair and heterotopic ossification
title_fullStr A CD26+ tendon stem progenitor cell population contributes to tendon repair and heterotopic ossification
title_full_unstemmed A CD26+ tendon stem progenitor cell population contributes to tendon repair and heterotopic ossification
title_short A CD26+ tendon stem progenitor cell population contributes to tendon repair and heterotopic ossification
title_sort cd26 tendon stem progenitor cell population contributes to tendon repair and heterotopic ossification
url https://doi.org/10.1038/s41467-025-56112-5
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