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Zhang W, Ni Y, Li J, Hua R, Wang Y, Yang H, Li X, Gan M, Chu G. NUAK2 mediated regulation of Schwann Cell proliferation and migration in peripheral nerve injury via YAP. Heliyon 2024; 10:e34127. [PMID: 39071701 PMCID: PMC11282989 DOI: 10.1016/j.heliyon.2024.e34127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 06/13/2024] [Accepted: 07/03/2024] [Indexed: 07/30/2024] Open
Abstract
NUAK2 is a member of the AMP-activated protein kinase (AMPK) family, which plays an essential role in cellular processes such as apoptosis, proliferation, and cell fate. Recent studies have already shown that silencing of NUAK2 blocks proliferation and promotes apoptosis of human melanoma cells and liver cancer cells. In addition, NUAK2 is involved in the development of glioblastoma via regulating the expression of cancer stem cell-related genes, and it promotes the cell cycle entry in the glioblastoma cells. However, the expression and the role of NUAK2 in the progress of peripheral nerve regeneration after injury are yet to be elucidated. We observed that NUAK2 was upregulated following distal sciatic nerve crush (SNC). Interestingly, we discovered that NUAK2 showed co-localization with S100 (Schwann cell marker). Furthermore, we found that the NUAK2 had a spatiotemporal protein expression, which was consistent with proliferating cell nuclear-antigen (PCNA). The protein level of NUAK2 and YAP was upregulated in the model of TNF-α-induced Schwann cell (SC) proliferation. Furthermore, flow cytometry analysis, CCK-8, transwell assays, and wound healing assays were all performed with the purpose of exploring the role of NUAK2 in the regulation of SC proliferation and migration. More importantly, we found that NUAK2-deficient SCs showed significantly reduced expression of Yes-associated protein (YAP). Bioinformatic analysis identified upstream regulators of NUAK2 and NUAK2-associated genes (e.g., YAP1). Finally, we investigated the recovery changes during regeneration progress through the walking track analysis. Thus, we speculated that NUAK2 was involved in biochemical and physiological responses of SCs after SNC via YAP-driven proliferation and migration, and this study determined the importance of NUAK2 as a potential target in peripheral nerve regeneration.
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Affiliation(s)
- Weidong Zhang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Department of Orthopaedic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
- Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Yingchen Ni
- Department of Orthopaedic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Jianxin Li
- Department of Orthopaedic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Runjia Hua
- Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Yudong Wang
- Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Huilin Yang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Xuefeng Li
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Minfeng Gan
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Genglei Chu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
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Yurteri Ü, Çifcibaşı K, Friess H, Ceyhan GO, Istvanffy R, Demir IE. Schwann Cells in Peripheral Cancers: Bystanders or Promoters? Adv Biol (Weinh) 2022; 6:e2200033. [PMID: 35656739 DOI: 10.1002/adbi.202200033] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/19/2022] [Indexed: 01/28/2023]
Abstract
The tumor microenvironment is subject to intense investigation in terms of its influence on tumorigenesis. Despite the fact that Schwann cells are cancer cells' early interaction partners, investigations on tumor progression and the molecular drivers of carcinogenesis do not place enough emphasis on them. Recent studies have shown that malignant cells and nerves interact on several levels during early carcinogenesis. For instance, the emergence of nerves in cancer, known as cancer neo-neurogenesis, is one important mechanism that contributes to cancer progression. Recent studies on Schwann cells brought the investigation of tumor-nerve interactions to a whole new level. Schwann cells make up the majority of glial cells in the peripheral nervous system, are outstandingly plastic cells, and serve a variety of roles in most organs. All these properties make Schwann cells excellent potential targets for tumor cells to exploit and turn them into promoters of carcinogenesis. In the present review, the distinctive features of Schwann cell-tumor cell interactions and the implications of this interaction on the tumor microenvironment are outlined. Further, this study points out the neglected aspects of Schwann cells in the tumor microenvironment and provides a potential new avenue for future research.
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Affiliation(s)
- Ümmügülsüm Yurteri
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, School of Medicine, 81675, Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, 81675, Munich, Germany.,CRC 1321 Modelling and Targeting Pancreatic Cancer, 81675, Munich, Germany
| | - Kaan Çifcibaşı
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, School of Medicine, 81675, Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, 81675, Munich, Germany.,CRC 1321 Modelling and Targeting Pancreatic Cancer, 81675, Munich, Germany
| | - Helmut Friess
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, School of Medicine, 81675, Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, 81675, Munich, Germany.,CRC 1321 Modelling and Targeting Pancreatic Cancer, 81675, Munich, Germany
| | - Güralp O Ceyhan
- Department of General Surgery, HPB-Unit, School of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul, 34752, Turkey
| | - Rouzanna Istvanffy
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, School of Medicine, 81675, Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, 81675, Munich, Germany.,CRC 1321 Modelling and Targeting Pancreatic Cancer, 81675, Munich, Germany
| | - Ihsan Ekin Demir
- Department of Surgery, Klinikum rechts der Isar, Technical University of Munich, School of Medicine, 81675, Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, 81675, Munich, Germany.,CRC 1321 Modelling and Targeting Pancreatic Cancer, 81675, Munich, Germany.,Department of General Surgery, HPB-Unit, School of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul, 34752, Turkey.,Else Kröner Clinician Scientist Professor for Translational Pancreatic Surgery, 81675, Munich, Germany
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Li J, Ju Y, Liu S, Fu Y, Zhao S. Exosomes derived from lipopolysaccharide-preconditioned human dental pulp stem cells regulate Schwann cell migration and differentiation. Connect Tissue Res 2021; 62:277-286. [PMID: 31769319 DOI: 10.1080/03008207.2019.1694010] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Purpose: Schwann cells (SCs) are the main source of odontoblasts. They can migrate to the sites of injury and differentiate into odontoblasts during tooth development and regeneration. However, the molecular mechanisms by which SCs repair dental damage remain to be fully elucidated. In addition, exosomes play a crucial role in regulating cell-cell interaction. Hence, we aim to explore the biological function of exosomes secreted by human dental pulp stem cells (hDPSCs) and their effect on SCs.Materials and Methods: Exosomes were extracted from the supernatant of hDPSCs (exo) and LPS- preconditioned hDPSCs (LPS-exo), respectively. Following the evaluation of specific surface proteins and exosomes size and morphology, SCs were treated with exo and LPS-exo, and we examined SCs proliferation, migration, and odontogenic differentiation in vitro.Results: Exosomes had the capacity to regulate SCs proliferation and migration. Furthermore, exosomes from both groups stimulated SCs to produce dentin sialoprotein and undergo mineralization; however, LPS-exo had a better ability to modulate SCs migration and odontogenic differentiation compared with exo.Conclusions: Exosomes from hDPSCs, especially from LPS- preconditioned hDPSCs, can promote the proliferation, migration and odontogenic differentiation of SCs. LPS might change the hDPSCs' intercellular signals, which might mediate the odontogenic differentiation of SCs, transmitting in the manner of "exosomes".
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Affiliation(s)
- Jiabei Li
- Department of Stomatology, Huashan Hospital, Fudan University, Shanghai, P. R. China
| | - Yanqin Ju
- Department of Stomatology, Huashan Hospital, Fudan University, Shanghai, P. R. China
| | - Shangfeng Liu
- Department of Stomatology, Huashan Hospital, Fudan University, Shanghai, P. R. China
| | - Yunyu Fu
- Department of Stomatology, Huashan Hospital, Fudan University, Shanghai, P. R. China
| | - Shouliang Zhao
- Department of Stomatology, Huashan Hospital, Fudan University, Shanghai, P. R. China
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Youssouf L, Bhaw-Luximon A, Diotel N, Catan A, Giraud P, Gimié F, Koshel D, Casale S, Bénard S, Meneyrol V, Lallemand L, Meilhac O, Lefebvre D’Hellencourt C, Jhurry D, Couprie J. Enhanced effects of curcumin encapsulated in polycaprolactone-grafted oligocarrageenan nanomicelles, a novel nanoparticle drug delivery system. Carbohydr Polym 2019; 217:35-45. [DOI: 10.1016/j.carbpol.2019.04.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 04/02/2019] [Accepted: 04/02/2019] [Indexed: 01/31/2023]
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Chronic TNFα Exposure Induces Robust Proliferation of Olfactory Ensheathing Cells, but not Schwann Cells. Neurochem Res 2017; 42:2595-2609. [PMID: 28497341 DOI: 10.1007/s11064-017-2285-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Revised: 04/21/2017] [Accepted: 04/27/2017] [Indexed: 10/19/2022]
Abstract
TNFα is persistently elevated in many injury and disease conditions. Previous reports of cytotoxicity of TNFα for oligodendrocytes and their progenitors suggest that the poor endogenous remyelination in patients with traumatic injury or multiple sclerosis may be due in part to persistent inflammation. Understanding the effects of inflammatory cytokines on potential cell therapy candidates is therefore important for evaluating the feasibility of their use. In this study, we assessed the effects of long term exposure to TNFα on viability, proliferation, migration and TNFα receptor expression of cultured rat olfactory ensheathing cells (OECs) and Schwann cells (SCs). Although OECs and SCs transplanted into the CNS produce similar myelinating phenotypes, and might be expected to have similar therapeutic uses, we report that they have very different sensitivities to TNFα. OECs exhibited positive proliferative responses to TNFα over a much broader range of concentrations than SCs. Low TNFα concentrations increased proliferation and migration of both OECs and SCs, but SC number declined in the presence of 100 ng/ml or higher concentrations of TNFα. In contrast, OECs exhibited enhanced proliferation even at high TNFα concentrations (up to 1 µg/ml) and showed no evidence of TNF cytotoxicity even at 4 weeks post-treatment. Furthermore, while both OECs and SCs expressed TNFαR1 and TNFαR2, TNFα receptor levels were downregulated in OECs after exposure to100 ng/ml TNFα for 5-7 days, but were either elevated or unchanged in SCs. These results imply that OECs may be a more suitable cell therapy candidate if transplanted into areas with persistent inflammation.
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Tao T, Ji Y, Cheng C, Yang H, Liu H, Sun L, Qin Y, Yang J, Wang H, Shen A. Tumor necrosis factor-alpha inhibits Schwann cell proliferation by up-regulating Src-suppressed protein kinase C substrate expression. J Neurochem 2009; 111:647-55. [DOI: 10.1111/j.1471-4159.2009.06346.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Mosnier JF, Jarry A, Camdessanché JP, Antoine JC, Laboisse CL. In situ evidence of involvement of Schwann cells in ulcerative colitis: autocrine and paracrine signaling by A disintegrin and metalloprotease-17–mediated tumor necrosis factor α production. Hum Pathol 2009; 40:1159-67. [DOI: 10.1016/j.humpath.2008.11.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2008] [Revised: 11/03/2008] [Accepted: 11/19/2008] [Indexed: 01/08/2023]
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Suzuki T, Sekido H, Kato N, Nakayama Y, Yabe-Nishimura C. Neurotrophin-3-induced production of nerve growth factor is suppressed in Schwann cells exposed to high glucose: involvement of the polyol pathway. J Neurochem 2005; 91:1430-8. [PMID: 15584919 DOI: 10.1111/j.1471-4159.2004.02824.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Development of hypesthesia, a loss of sensitivity to stimulation, is associated with impaired regeneration of peripheral sensory fibers, in which Schwann cells play a key role by secreting nerve growth factor (NGF). Recent clinical trials indicated that an inhibitor of aldose reductase (AR), the rate-limiting enzyme in the polyol pathway, significantly improved hypesthesia in diabetic patients. The fact that AR is localized in Schwann cells led us to investigate the role of the polyol pathway in NGF production of isolated Schwann cells. Among various endogenous factors examined, increased production of NGF was demonstrated in the cells treated with neurotrophin-3 (NT-3) for 24 h. NT-3-induced NGF production was significantly suppressed when cells were cultured in the medium containing high glucose. In these cells, the levels of glutathione (GSH) and cAMP-response element binding protein (CREB) were reduced, whereas the level of activated nuclear factor-kappaB (NF-kappaB) was elevated. These changes were abolished when an AR inhibitor fidarestat was included in the medium. NT-3-induced NGF production was further attenuated in the cells treated with an inhibitor of GSH synthesis. Together, the enhanced polyol pathway activity under high-glucose conditions seems to elicit reduced NT-3-induced NGF production in Schwann cells. Enhanced oxidative stress linked to the polyol pathway activity may mediate this process.
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Affiliation(s)
- Takeshi Suzuki
- Drug Development Research Laboratories, Sanwa Kagaku Kenkyusho Co., Ltd, Mie, Japan.
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