BMSC exosomes deliver JKAP to restore Th17/Treg balance via AKT/ERK, alleviating rheumatoid arthritis

Summary: JKAP regulates T cell immunity and inflammation in autoimmune diseases. This study investigates how bone marrow mesenchymal stem cell (BMSC)-derived exosomes deliver JKAP to restore Th17/Treg balance in rheumatoid arthritis (RA). RA CD4+ T-cells and fibroblast-like synoviocytes (RA-FLS) wer...

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Main Authors: Fang-Tian Xu, Yu Ling, Hui-Xian Wei, Lingzhang Meng, Dong Yin, Zhong-Hong Lai, Yu Huang, Xiao Huang, Hai-Ye Li, Qin-Wen Luo, Jian Song, Qiang Tang, Hong-Mian Li
Format: Article
Language:English
Published: Elsevier 2025-07-01
Series:iScience
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Online Access:http://www.sciencedirect.com/science/article/pii/S2589004225010934
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author Fang-Tian Xu
Yu Ling
Hui-Xian Wei
Lingzhang Meng
Dong Yin
Zhong-Hong Lai
Yu Huang
Xiao Huang
Hai-Ye Li
Qin-Wen Luo
Jian Song
Qiang Tang
Hong-Mian Li
author_facet Fang-Tian Xu
Yu Ling
Hui-Xian Wei
Lingzhang Meng
Dong Yin
Zhong-Hong Lai
Yu Huang
Xiao Huang
Hai-Ye Li
Qin-Wen Luo
Jian Song
Qiang Tang
Hong-Mian Li
author_sort Fang-Tian Xu
collection DOAJ
description Summary: JKAP regulates T cell immunity and inflammation in autoimmune diseases. This study investigates how bone marrow mesenchymal stem cell (BMSC)-derived exosomes deliver JKAP to restore Th17/Treg balance in rheumatoid arthritis (RA). RA CD4+ T-cells and fibroblast-like synoviocytes (RA-FLS) were treated with BMSC, exosomes, or JKAP-modified exosomes ± AKT/ERK inhibitors. BMSC/exosomes suppressed Th17 and promoted Treg differentiation, effects diminished without exosomes. JKAP knockdown impaired exosome-mediated Th17/Treg regulation and AKT/ERK activation, while overexpression enhanced these effects. JKAP-deficient exosomes increased CD4+ T cell proliferation and RA-FLS inflammation, reversed by AKT/ERK inhibition. In collagen-induced arthritis mice, exosomes alleviated symptoms and restored Th17/Treg balance, whereas JKAP knockdown exacerbated arthritis and disrupted balance. JKAP-overexpressing exosomes showed opposite effects. Thus, BMSC exosomes mitigate RA by delivering JKAP to restore immune balance via AKT/ERK pathways.
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spelling doaj-art-22e472a9868d44eba5598a045aeee47b2025-08-20T02:42:15ZengElsevieriScience2589-00422025-07-0128711283210.1016/j.isci.2025.112832BMSC exosomes deliver JKAP to restore Th17/Treg balance via AKT/ERK, alleviating rheumatoid arthritisFang-Tian Xu0Yu Ling1Hui-Xian Wei2Lingzhang Meng3Dong Yin4Zhong-Hong Lai5Yu Huang6Xiao Huang7Hai-Ye Li8Qin-Wen Luo9Jian Song10Qiang Tang11Hong-Mian Li12Department of Orthopedics, The First Affiliated Hospital of Gannan Medical University, Ganzhou, ChinaDepartment of Emergency, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaDepartment of Orthopedics, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China; Department of Emergency, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China; Key Laboratory of Biomedical Material Research of Guangxi (Cultivation), Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China; Burn Plastic & Trauma Surgery Department, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China; Department of Orthopedics, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China; Institute of Cardiovascular Medicine, Guangxi Academy of Medical Sciences & The Guangxi Academy of Medical Sciences, Nanning, China; Research Center of Medical Sciences, Department of Plastic and Aesthetic Surgery, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region & Research Center of Medical Sciences, Nanning, China; Department of Orthopedics, The Ninth People's Hospital of Nanning, Binyang, China; Department of Plastic and Aesthetic Surgery & Research Center of Medical Sciences, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaInstitute of Cardiovascular Medicine, Guangxi Academy of Medical Sciences & The Guangxi Academy of Medical Sciences, Nanning, ChinaDepartment of Orthopedics, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaDepartment of Orthopedics, The First Affiliated Hospital of Gannan Medical University, Ganzhou, ChinaDepartment of Orthopedics, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaDepartment of Orthopedics, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaDepartment of Orthopedics, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China; Department of Emergency, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China; Key Laboratory of Biomedical Material Research of Guangxi (Cultivation), Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China; Burn Plastic & Trauma Surgery Department, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China; Department of Orthopedics, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China; Institute of Cardiovascular Medicine, Guangxi Academy of Medical Sciences & The Guangxi Academy of Medical Sciences, Nanning, China; Research Center of Medical Sciences, Department of Plastic and Aesthetic Surgery, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region & Research Center of Medical Sciences, Nanning, China; Department of Orthopedics, The Ninth People's Hospital of Nanning, Binyang, China; Department of Plastic and Aesthetic Surgery & Research Center of Medical Sciences, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaDepartment of Orthopedics, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China; Department of Emergency, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China; Key Laboratory of Biomedical Material Research of Guangxi (Cultivation), Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China; Burn Plastic & Trauma Surgery Department, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China; Department of Orthopedics, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China; Institute of Cardiovascular Medicine, Guangxi Academy of Medical Sciences & The Guangxi Academy of Medical Sciences, Nanning, China; Research Center of Medical Sciences, Department of Plastic and Aesthetic Surgery, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region & Research Center of Medical Sciences, Nanning, China; Department of Orthopedics, The Ninth People's Hospital of Nanning, Binyang, China; Department of Plastic and Aesthetic Surgery & Research Center of Medical Sciences, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaInstitute of Cardiovascular Medicine, Guangxi Academy of Medical Sciences & The Guangxi Academy of Medical Sciences, Nanning, China; Corresponding authorKey Laboratory of Biomedical Material Research of Guangxi (Cultivation), Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China; Corresponding authorDepartment of Emergency, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China; Research Center of Medical Sciences, Department of Plastic and Aesthetic Surgery, Guangxi Academy of Medical Sciences & The People’s Hospital of Guangxi Zhuang Autonomous Region & Research Center of Medical Sciences, Nanning, China; Corresponding authorSummary: JKAP regulates T cell immunity and inflammation in autoimmune diseases. This study investigates how bone marrow mesenchymal stem cell (BMSC)-derived exosomes deliver JKAP to restore Th17/Treg balance in rheumatoid arthritis (RA). RA CD4+ T-cells and fibroblast-like synoviocytes (RA-FLS) were treated with BMSC, exosomes, or JKAP-modified exosomes ± AKT/ERK inhibitors. BMSC/exosomes suppressed Th17 and promoted Treg differentiation, effects diminished without exosomes. JKAP knockdown impaired exosome-mediated Th17/Treg regulation and AKT/ERK activation, while overexpression enhanced these effects. JKAP-deficient exosomes increased CD4+ T cell proliferation and RA-FLS inflammation, reversed by AKT/ERK inhibition. In collagen-induced arthritis mice, exosomes alleviated symptoms and restored Th17/Treg balance, whereas JKAP knockdown exacerbated arthritis and disrupted balance. JKAP-overexpressing exosomes showed opposite effects. Thus, BMSC exosomes mitigate RA by delivering JKAP to restore immune balance via AKT/ERK pathways.http://www.sciencedirect.com/science/article/pii/S2589004225010934ImmunologyImmunityCell biology
spellingShingle Fang-Tian Xu
Yu Ling
Hui-Xian Wei
Lingzhang Meng
Dong Yin
Zhong-Hong Lai
Yu Huang
Xiao Huang
Hai-Ye Li
Qin-Wen Luo
Jian Song
Qiang Tang
Hong-Mian Li
BMSC exosomes deliver JKAP to restore Th17/Treg balance via AKT/ERK, alleviating rheumatoid arthritis
iScience
Immunology
Immunity
Cell biology
title BMSC exosomes deliver JKAP to restore Th17/Treg balance via AKT/ERK, alleviating rheumatoid arthritis
title_full BMSC exosomes deliver JKAP to restore Th17/Treg balance via AKT/ERK, alleviating rheumatoid arthritis
title_fullStr BMSC exosomes deliver JKAP to restore Th17/Treg balance via AKT/ERK, alleviating rheumatoid arthritis
title_full_unstemmed BMSC exosomes deliver JKAP to restore Th17/Treg balance via AKT/ERK, alleviating rheumatoid arthritis
title_short BMSC exosomes deliver JKAP to restore Th17/Treg balance via AKT/ERK, alleviating rheumatoid arthritis
title_sort bmsc exosomes deliver jkap to restore th17 treg balance via akt erk alleviating rheumatoid arthritis
topic Immunology
Immunity
Cell biology
url http://www.sciencedirect.com/science/article/pii/S2589004225010934
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