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Liu Y, Kano F, Hashimoto N, Xia L, Zhou Q, Feng X, Hibi H, Miyazaki A, Iwamoto T, Matsuka Y, Zhang Z, Tanaka E, Yamamoto A. Conditioned Medium From the Stem Cells of Human Exfoliated Deciduous Teeth Ameliorates Neuropathic Pain in a Partial Sciatic Nerve Ligation Model. Front Pharmacol 2022; 13:745020. [PMID: 35431971 PMCID: PMC9009354 DOI: 10.3389/fphar.2022.745020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 03/08/2022] [Indexed: 11/13/2022] Open
Abstract
In neuropathic pain (NP), injury or diseases of the somatosensory system often result in highly debilitating chronic pain. Currently, there is no effective drug for the complete and definitive treatment of NP. We investigated the therapeutic potential of conditioned medium (CM) derived from stem cells from human exfoliated deciduous teeth (SHED-CM) against NP using a mouse partial sciatic nerve ligation (PSL) model. Abnormal pain sensation, such as tactile allodynia and hyperalgesia, can be caused by PSL. In the behavioral test, intravenous administration of SHED-CM greatly improved the PSL-induced hypersensitivity. We found that treatment with SHED-CM resulted in the recruitment of M2 macrophages in the injured sciatic nerve and ipsilateral L4/L5 dorsal root ganglion and suppressed microglial activation in the spinal cord. Notably, specific depletion of the anti-inflammatory M2 macrophages by mannosylated-Clodrosome markedly reduced the antinociceptive effect of SHED-CM. Intravenous administration of CM from M2 induced by SHED-CM (M2-CM) ameliorated the PSL-induced hypersensitivity. We found that M2-CM directly suppressed the expression of nociceptive receptors as well as proinflammatory mediators in Schwann cells. Taken together, our data suggest that SHED-CM ameliorates NP through the induction of the analgesic anti-inflammatory M2 macrophages. Thus, SHED-CM may be a novel therapeutic candidate for NP.
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Affiliation(s)
- Yao Liu
- Department of Tissue Regeneration, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan.,Orthodontics and Dentofacial Orthopedics, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Fumiya Kano
- Department of Tissue Regeneration, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Noboru Hashimoto
- Department of Tissue Regeneration, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Linze Xia
- Department of Tissue Regeneration, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan.,Orthodontics and Dentofacial Orthopedics, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Qiao Zhou
- Department of Stomatology, Affiliated Hospital, Nantong University, Nantong, China
| | - Xingmei Feng
- Department of Stomatology, Affiliated Hospital, Nantong University, Nantong, China
| | - Hideharu Hibi
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Aya Miyazaki
- Pediatric Dentistry, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Tsutomu Iwamoto
- Pediatric Dentistry, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Yoshizo Matsuka
- Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Zhijun Zhang
- Department of Human Anatomy, School of Medicine, Nantong University, Nantong, China
| | - Eiji Tanaka
- Orthodontics and Dentofacial Orthopedics, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Akihito Yamamoto
- Department of Tissue Regeneration, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
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Jarahian M, Marofi F, Maashi MS, Ghaebi M, Khezri A, Berger MR. Re-Expression of Poly/Oligo-Sialylated Adhesion Molecules on the Surface of Tumor Cells Disrupts Their Interaction with Immune-Effector Cells and Contributes to Pathophysiological Immune Escape. Cancers (Basel) 2021; 13:5203. [PMID: 34680351 PMCID: PMC8534074 DOI: 10.3390/cancers13205203] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/11/2021] [Accepted: 10/12/2021] [Indexed: 12/28/2022] Open
Abstract
Glycans linked to surface proteins are the most complex biological macromolecules that play an active role in various cellular mechanisms. This diversity is the basis of cell-cell interaction and communication, cell growth, cell migration, as well as co-stimulatory or inhibitory signaling. Our review describes the importance of neuraminic acid and its derivatives as recognition elements, which are located at the outermost positions of carbohydrate chains linked to specific glycoproteins or glycolipids. Tumor cells, especially from solid tumors, mask themselves by re-expression of hypersialylated neural cell adhesion molecule (NCAM), neuropilin-2 (NRP-2), or synaptic cell adhesion molecule 1 (SynCAM 1) in order to protect themselves against the cytotoxic attack of the also highly sialylated immune effector cells. More particularly, we focus on α-2,8-linked polysialic acid chains, which characterize carrier glycoproteins such as NCAM, NRP-2, or SynCam-1. This characteristic property correlates with an aggressive clinical phenotype and endows them with multiple roles in biological processes that underlie all steps of cancer progression, including regulation of cell-cell and/or cell-extracellular matrix interactions, as well as increased proliferation, migration, reduced apoptosis rate of tumor cells, angiogenesis, and metastasis. Specifically, re-expression of poly/oligo-sialylated adhesion molecules on the surface of tumor cells disrupts their interaction with immune-effector cells and contributes to pathophysiological immune escape. Further, sialylated glycoproteins induce immunoregulatory cytokines and growth factors through interactions with sialic acid-binding immunoglobulin-like lectins. We describe the processes, which modulate the interaction between sialylated carrier glycoproteins and their ligands, and illustrate that sialic acids could be targets of novel therapeutic strategies for treatment of cancer and immune diseases.
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Affiliation(s)
- Mostafa Jarahian
- German Cancer Research Center, Toxicology and Chemotherapy Unit Heidelberg, 69120 Heidelberg, Germany;
| | - Faroogh Marofi
- Department of Hematology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz 5165665931, Iran;
| | - Marwah Suliman Maashi
- Stem Cells and Regenerative Medicine Unit at King Fahad Medical Research Centre, Jeddah 11211, Saudi Arabia;
| | - Mahnaz Ghaebi
- Cancer Gene Therapy Research Center (CGRC), Zanjan University of Medical Sciences, Zanjan 4513956184, Iran;
| | - Abdolrahman Khezri
- Department of Biotechnology, Inland Norway University of Applied Sciences, 2418 Hamar, Norway;
| | - Martin R. Berger
- German Cancer Research Center, Toxicology and Chemotherapy Unit Heidelberg, 69120 Heidelberg, Germany;
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