1. Academic Validation
  2. VX-509 (Decernotinib)-modified tolerogenic dendritic cells alleviate experimental autoimmune neuritis by promoting Th17/Treg rebalance

VX-509 (Decernotinib)-modified tolerogenic dendritic cells alleviate experimental autoimmune neuritis by promoting Th17/Treg rebalance

  • Int Immunopharmacol. 2024 Sep 10:138:112597. doi: 10.1016/j.intimp.2024.112597.
Juan Li 1 Shan Chen 1 Jiao Shi 1 Fan Yang 1 Gan Zhang 1 Yan Zhou 2 Yuhang Kong 1 Xingyan Luo 1 Yang Liu 3 Ying Xu 4 Yantang Wang 5
Affiliations

Affiliations

  • 1 Clinical Laboratory, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu Medical College, Chengdu 610500, Sichuan, China; Department of Pharmacology, School of Pharmacy, Chengdu Medical College, Chengdu, 610500, Sichuan, China.
  • 2 Department of Emergency, West China Second University Hospital, Sichuan University, Chengdu 610041, Sichuan, China.
  • 3 Clinical Laboratory, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu Medical College, Chengdu 610500, Sichuan, China; Department of Pharmacology, School of Pharmacy, Chengdu Medical College, Chengdu, 610500, Sichuan, China. Electronic address: yingxu825@126.com.
  • 4 Clinical Laboratory, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu Medical College, Chengdu 610500, Sichuan, China; Department of Pharmacology, School of Pharmacy, Chengdu Medical College, Chengdu, 610500, Sichuan, China. Electronic address: scunn519@gmail.com.
  • 5 Clinical Laboratory, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu Medical College, Chengdu 610500, Sichuan, China; Department of Pharmacology, School of Pharmacy, Chengdu Medical College, Chengdu, 610500, Sichuan, China. Electronic address: yt-wang@hotmail.com.
Abstract

Background: Guillain-Barré syndrome (GBS) is an auto-inflammatory peripheral nerve disease. Dendritic cell-mediated T cell polarization is of pivotal importance in demyelinating lesions of peripheral nerves and nerve roots. However, the regulatory function of VX-509 (Decernotinib)-modified tolerogenic dendritic cells (VX-509-tolDCs) during immune remodeling following GBS remains unclear. Here, we used experimental autoimmune neuritis (EAN) as a model to investigate these aspects of GBS.

Methods: DCs were treated with varying concentrations of VX-509 (0.25, 1, and 4 μM) or served as a control using 10-8 M 1,25-(OH)2D3. Flow cytometry was employed to assess the Apoptosis, phenotype, and capacity to induce T cell responses of the treated DCs. In the in vivo experiments, EAN mice received administration of VX-509-tolDCs or 1,25-(OH)2D3-tolDCs via the tail vein at a dose of 1x106 cells/mouse on days 5, 9, 13, and 17.

Results: VX-509 inhibited the maturation of DCs and promoted the development of tolDCs. The function of antigen-specific CD4 + T cells ex vivo was influenced by VX-509-tolDCs. Furthermore, the adoptive transfer of VX-509-tolDCs effectively alleviated inflammatory demyelinating lesions in EAN by promoting Th17/Treg (T helper 17 and regulatory T cells) rebalance.

Conclusion: The adoptive transfer of VX-509-tolDCs alleviated inflammatory demyelinating lesions in a mouse model of GBS, known as the EAN mouse, by partially restoring the balance between Treg and Th17 cells.

Keywords

Experimental autoimmune neuritis; Guillain-Barré syndrome; Th17 cells; Tolerogenic dendritic cells; Treg cells; VX-509.

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