Human Umbilical Cord Mesenchymal Stem Cell-Derived Exosomes Loaded Mir-29-3p Targets AhR to Improve Juvenile Idiopathic Arthritis via Inhibiting the Expression of IL-22 in CD4⁺ T Cell.

IF 4.5 3区医学 Q2 CELL & TISSUE ENGINEERING

Stem Cell Reviews and Reports Pub Date : 2024-12-02 DOI:10.1007/s12015-024-10827-y

Xinyi Wei, Kunpeng Sui, Yuanyuan Peng, Sha Li, Yu Fang, Zhi Chen, Xiao Du, Xue Xie, Haiming Tang, QiuYue Wen, JingWei Li, Meilin He, Qin Cheng, Wei Zhang

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引用次数: 0

Abstract

Background: Juvenile idiopathic arthritis (JIA) is one of the most common chronic inflammatory rheumatic diseases in children. Human umbilical cord mesenchymal stem cells (HUCMSCs)-derived exosomes (HUCMSCs-Exos) are involved in autoimmune diseases. This study investigates the mechanism of HUCMSC-Exos in improving JIA by targeting AhR through delivery of miR-29-3p to inhibit IL-22 expression in CD4⁺ T cells.

Methods: Collagen induced arthritis (CIA) mouse model was established, and mice were treated with HUCMSCs-Exos and miR-29-3p antagomir, respectively. CD4⁺ T cells from JIA patients were used for cell experiments. The mechanism was elucidated by histopathological staining, transmission electron microscopy (TEM), immunohistochemistry, CCK-8 assay, flow cytometry, Western blotting, real-time PCR, and enzyme-linked immunosorbent assay (ELISA), laser confocal microscopy, and luciferase assay.

Result: JIA-CD4⁺ T cells showed higher expression of IL-22 and lower the levels of miR-29-3p, while HUCMSCs-Exos significantly inhibited the expression of IL-22 and increased the levels of miR-29a-3p, miR-29b-3p, and miR-29c-3p in CD4⁺ T cells from JIA patients. The expression of miR-29a-3p, miR-29b-3p, miR-29c-3p, AhR, and IL-22 in CD4⁺ T cells was significantly reversed when co-cultured with HUCMSCs transfected with miR-29-3p mimic or miR-29-3p inhibitor. In vivo experiment, HUCMSCs-Exos ameliorated CIA mice by delivering miR-29-3p to inhibit AhR, IL-22, IL-22R1, MMP3, and MMP13 expression. Furthermore, HUCMSCs-Exos also deliver miR-29-3p targeting AhR expression to inhibit IL-22 in JIA-CD4 + T cells through alleviating arthritic synovial fibroblast activation.

Conclusion: HUCMSCs-Exos loaded miR-29-3p targets AhR to improve JIA via inhibiting the expression of IL-22 in CD4⁺ T cell, which provides a scientific basis for the treatment of JIA.

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来源期刊

Stem Cell Reviews and Reports 医学-细胞生物学

CiteScore

9.30

自引率

4.20%

发文量

审稿时长

3 months

期刊介绍： The purpose of Stem Cell Reviews and Reports is to cover contemporary and emerging areas in stem cell research and regenerative medicine. The journal will consider for publication: i) solicited or unsolicited reviews of topical areas of stem cell biology that highlight, critique and synthesize recent important findings in the field. ii) full length and short reports presenting original experimental work. iii) translational stem cell studies describing results of clinical trials using stem cells as therapeutics. iv) papers focused on diseases of stem cells. v) hypothesis and commentary articles as opinion-based pieces in which authors can propose a new theory, interpretation of a controversial area in stem cell biology, or a stem cell biology question or paradigm. These articles contain more speculation than reviews, but they should be based on solid rationale. vi) protocols as peer-reviewed procedures that provide step-by-step descriptions, outlined in sufficient detail, so that both experts and novices can apply them to their own research. vii) letters to the editor and correspondence. In order to facilitate this exchange of scientific information and exciting novel ideas, the journal has created five thematic sections, focusing on: i) the role of adult stem cells in tissue regeneration; ii) progress in research on induced pluripotent stem cells, embryonic stem cells and mechanism governing embryogenesis and tissue development; iii) the role of microenvironment and extracellular microvesicles in directing the fate of stem cells; iv) mechanisms of stem cell trafficking, stem cell mobilization and homing with special emphasis on hematopoiesis; v) the role of stem cells in aging processes and cancerogenesis.