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Xu C, Chen J, Liang L, Chen S, Niu X, Sang R, Yang C, Rong R. Midkine promotes renal fibrosis by stabilizing C/EBPβ to facilitate endothelial-mesenchymal transition. Commun Biol 2024; 7:544. [PMID: 38714800 PMCID: PMC11076470 DOI: 10.1038/s42003-024-06154-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 04/07/2024] [Indexed: 05/10/2024] Open
Abstract
Numerous myofibroblasts are arisen from endothelial cells (ECs) through endothelial to mesenchymal transition (EndMT) triggered by TGF-β. However, the mechanism of ECs transforms to a different subtype, or whether there exists an intermediate state of ECs remains unclear. In present study, we demonstrate Midkine (MDK) mainly expressed by CD31 + ACTA2+ECs going through partial EndMT contribute greatly to myofibroblasts by spatial and single-cell transcriptomics. MDK is induced in TGF-β treated ECs, which upregulates C/EBPβ and increases EndMT genes, and these effects could be reversed by siMDK. Mechanistically, MDK promotes the binding ability of C/EBPβ with ACTA2 promoter by stabilizing the C/EBPβ protein. In vivo, knockout of Mdk or conditional knockout of Mdk in ECs reduces EndMT markers and significantly reverses fibrogenesis. In conclusion, our study provides a mechanistic link between the induction of EndMT by TGF-β and MDK, which suggests that blocking MDK provides potential therapeutic strategies for renal fibrosis.
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Affiliation(s)
- Cuidi Xu
- Department of Urology, Zhongshan Hospital, Fudan University; Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China
| | - Juntao Chen
- Department of Urology, Zhongshan Hospital, Fudan University; Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China
| | - Lifei Liang
- Department of Urology, Zhongshan Hospital, Fudan University; Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China
| | - Siyue Chen
- Department of Urology, Zhongshan Hospital, Fudan University; Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China
| | - Xinhao Niu
- Department of Urology, Zhongshan Hospital, Fudan University; Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China
| | - Ruirui Sang
- Department of Transfusion, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Cheng Yang
- Department of Urology, Zhongshan Hospital, Fudan University; Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China.
- Zhangjiang Institute of Fudan University, Shanghai, 201203, China.
| | - Ruiming Rong
- Department of Urology, Zhongshan Hospital, Fudan University; Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China.
- Department of Transfusion, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
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Tian Z, Du Z, Bai G, Gong Q, You Y, Xu G, Liu J, Xiao M, Wang Y, He Y. Schwann cell derived pleiotrophin stimulates fibroblast for proliferation and excessive collagen deposition in plexiform neurofibroma. Cancer Gene Ther 2024; 31:627-640. [PMID: 38302728 DOI: 10.1038/s41417-024-00727-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 12/21/2023] [Accepted: 01/08/2024] [Indexed: 02/03/2024]
Abstract
Neurofibromatosis type 1 associated plexiform neurofibroma (pNF) is characterized by abundant fibroblasts and dense collagen, yet the intricate interactions between tumor-origin cells (Schwann cells) and neurofibroma-associated fibroblasts (NFAFs) remain elusive. Employing single-cell RNA sequencing on human pNF samples, we generated a comprehensive transcriptomics dataset and conducted cell-cell communication analysis to unravel the molecular dynamics between Schwann cells and NFAFs. Our focus centered on the pleiotrophin (PTN)/nucleolin (NCL) axis as a pivotal ligand-receptor pair orchestrating this interaction. Validation of PTN involvement was affirmed through coculture models and recombinant protein experiments. Functional and mechanistic investigations, employing assays such as CCK8, EdU, Western Blot, ELISA, Hydroxyproline Assay, and Human phospho-kinase array, provided critical insights. We employed siRNA or inhibitors to intercept the PTN/NCL/proline-rich Akt substrate of 40 kDa (PRAS40) axis, validating the associated molecular mechanism. Our analysis highlighted a subset of Schwann cells closely linked to collagen deposition, underscoring their significance in pNF development. The PTN/NCL axis emerged as a key mediator of the Schwann cell-NFAF interaction. Furthermore, our study demonstrated that elevated PTN levels enhanced NFAF proliferation and collagen synthesis, either independently or synergistically with TGF-β1 in vitro. Activation of the downstream molecule PRAS40 was noted in NFAFs upon PTN treatment. Crucially, by targeting NCL and PRAS40, we successfully reversed collagen synthesis within NFAFs. In conclusion, our findings unveil the pivotal role of the PTN/NCL/PRAS40 axis in driving pNF development by promoting NFAFs proliferation and function. Targeting this pathway emerges as a potential therapeutic strategy for pNF. This study contributes novel insights into the molecular mechanisms governing pNF pathogenesis.
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Affiliation(s)
- Zhuowei Tian
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China
- Department of Oral Maxillofacial-Head and Neck Oncology, Fengcheng Hospital, Shanghai, China
| | - Zhong Du
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Guo Bai
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Qiyu Gong
- Institute of Immunology, Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuanhe You
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Guisong Xu
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Jialiang Liu
- Department of Oral Maxillofacial Surgery, Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, China
| | - Meng Xiao
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China.
- Department of Oral Maxillofacial-Head and Neck Oncology, Fengcheng Hospital, Shanghai, China.
| | - Yanan Wang
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China.
| | - Yue He
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, Shanghai, China.
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3
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Choi S, Lee J, Kim S, Lee YW, Kim GC, Hong SM, An SH, Noh H, Kim KE, On D, Lee SG, Jang HJ, Kim SH, Kim J, Seo JS, Kim JJ, Park IH, Oh J, Kim DJ, Yoon JH, Seok SH, Lee YJ, Kim SY, Kim YB, Hwang JY, Lee HJ, Kim HB, Park JW, Yun JW, Shin JS, Seo JY, Nam KT, Choi KS, Kwon HK, Lee HY, Kim JK, Seong JK. A longitudinal molecular and cellular lung atlas of lethal SARS-CoV-2 infection in K18-hACE2 transgenic mice. EBioMedicine 2024; 99:104932. [PMID: 38118400 PMCID: PMC10772566 DOI: 10.1016/j.ebiom.2023.104932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 12/22/2023] Open
Abstract
BACKGROUND The global pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has led to approximately 500 million cases and 6 million deaths worldwide. Previous investigations into the pathophysiology of SARS-CoV-2 primarily focused on peripheral blood mononuclear cells from patients, lacking detailed mechanistic insights into the virus's impact on inflamed tissue. Existing animal models, such as hamster and ferret, do not faithfully replicate the severe SARS-CoV-2 infection seen in patients, underscoring the need for more relevant animal system-based research. METHODS In this study, we employed single-cell RNA sequencing (scRNA-seq) with lung tissues from K18-hACE2 transgenic (TG) mice during SARS-CoV-2 infection. This approach allowed for a comprehensive examination of the molecular and cellular responses to the virus in lung tissue. FINDINGS Upon SARS-CoV-2 infection, K18-hACE2 TG mice exhibited severe lung pathologies, including acute pneumonia, alveolar collapse, and immune cell infiltration. Through scRNA-seq, we identified 36 different types of cells dynamically orchestrating SARS-CoV-2-induced pathologies. Notably, SPP1+ macrophages in the myeloid compartment emerged as key drivers of severe lung inflammation and fibrosis in K18-hACE2 TG mice. Dynamic receptor-ligand interactions, involving various cell types such as immunological and bronchial cells, defined an enhanced TGFβ signaling pathway linked to delayed tissue regeneration, severe lung injury, and fibrotic processes. INTERPRETATION Our study provides a comprehensive understanding of SARS-CoV-2 pathogenesis in lung tissue, surpassing previous limitations in investigating inflamed tissues. The identified SPP1+ macrophages and the dysregulated TGFβ signaling pathway offer potential targets for therapeutic intervention. Insights from this research may contribute to the development of innovative diagnostics and therapies for COVID-19. FUNDING This research was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (2020M3A9I2109027, 2021R1A2C2004501).
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Affiliation(s)
- Seunghoon Choi
- Laboratory of Developmental Biology and Genomics, Research Institute for Veterinary Science, and BK21 Project for Creative Veterinary Science Research, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea; Korea Mouse Phenotyping Center, Seoul National University, Seoul 08826, Republic of Korea
| | - Jusung Lee
- Department of New Biology, DGIST, Daegu 42988, Republic of Korea
| | - Suhyeon Kim
- Korea Mouse Phenotyping Center, Seoul National University, Seoul 08826, Republic of Korea; BIO-MAX Institute, Seoul National University, Seoul 08826, Republic of Korea
| | - Youn Woo Lee
- Department of Nuclear Medicine, Seoul National University Bundang Hospital, Seongnam 23488, Republic of Korea
| | - Gi-Cheon Kim
- Institute of Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea; Department of Microbiology, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Seung-Min Hong
- Laboratory of Avian Diseases, BK21 Project for Veterinary Science and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea
| | - Se-Hee An
- Laboratory of Avian Diseases, BK21 Project for Veterinary Science and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyuna Noh
- Korea Mouse Phenotyping Center, Seoul National University, Seoul 08826, Republic of Korea
| | - Kyung Eun Kim
- Laboratory of Developmental Biology and Genomics, Research Institute for Veterinary Science, and BK21 Project for Creative Veterinary Science Research, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea; Korea Mouse Phenotyping Center, Seoul National University, Seoul 08826, Republic of Korea
| | - Dain On
- Laboratory of Developmental Biology and Genomics, Research Institute for Veterinary Science, and BK21 Project for Creative Veterinary Science Research, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea; Korea Mouse Phenotyping Center, Seoul National University, Seoul 08826, Republic of Korea
| | - Sang Gyu Lee
- Korea Mouse Phenotyping Center, Seoul National University, Seoul 08826, Republic of Korea; Interdisciplinary Program for Bioinformatics, Seoul National University, Seoul 08826, Republic of Korea
| | - Hui Jeong Jang
- Department of Nuclear Medicine, Seoul National University Bundang Hospital, Seongnam 23488, Republic of Korea
| | - Sung-Hee Kim
- Department of Biomedical Sciences, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Graduate School of Medical Science, BK21 Project, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Jiseon Kim
- Department of Biomedical Sciences, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Graduate School of Medical Science, BK21 Project, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Jung Seon Seo
- Department of Biomedical Sciences, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Graduate School of Medical Science, BK21 Project, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Jeong Jin Kim
- Department of Biomedical Sciences, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Graduate School of Medical Science, BK21 Project, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - In Ho Park
- Department of Biomedical Sciences, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Institute of Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Jooyeon Oh
- Graduate School of Medical Science, BK21 Project, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Institute of Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea; Department of Microbiology, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Da-Jung Kim
- Graduate School of Medical Science, BK21 Project, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Institute of Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea; Department of Microbiology, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Jong-Hwi Yoon
- Institute of Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea; Department of Microbiology, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Sang-Hyuk Seok
- Division of Biomedical Convergence, College of Biomedical Science, Kangwon National University, Chuncheon 24342, Republic of Korea
| | - Yu Jin Lee
- Division of Biomedical Convergence, College of Biomedical Science, Kangwon National University, Chuncheon 24342, Republic of Korea
| | - Seo Yeon Kim
- Preclinical Research Center, Seoul National University Bundang Hospital, Seongnam 23488, Republic of Korea
| | - Young Been Kim
- Preclinical Research Center, Seoul National University Bundang Hospital, Seongnam 23488, Republic of Korea
| | - Ji-Yeon Hwang
- Preclinical Research Center, Seoul National University Bundang Hospital, Seongnam 23488, Republic of Korea
| | - Hyo-Jung Lee
- Department of Periodontology, Section of Dentistry, Seoul National University Bundang Hospital, Seongnam 23620, Republic of Korea
| | - Hong Bin Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam 23620, Republic of Korea
| | - Jun Won Park
- Division of Biomedical Convergence, College of Biomedical Science, Kangwon National University, Chuncheon 24342, Republic of Korea
| | - Jun-Won Yun
- Laboratory of Veterinary Toxicology, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Republic of Korea
| | - Jeon-Soo Shin
- Department of Biomedical Sciences, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Graduate School of Medical Science, BK21 Project, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Institute of Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea; Department of Microbiology, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Jun-Young Seo
- Department of Biomedical Sciences, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Graduate School of Medical Science, BK21 Project, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Ki Taek Nam
- Department of Biomedical Sciences, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Graduate School of Medical Science, BK21 Project, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Kang-Seuk Choi
- Laboratory of Avian Diseases, BK21 Project for Veterinary Science and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea.
| | - Ho-Keun Kwon
- Graduate School of Medical Science, BK21 Project, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Institute of Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea; Department of Microbiology, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea.
| | - Ho-Young Lee
- Department of Nuclear Medicine, Seoul National University Bundang Hospital, Seongnam 23488, Republic of Korea; Department of Nuclear Medicine, Seoul National University, College of Medicine, Seoul 03080, South Korea.
| | - Jong Kyoung Kim
- Department of New Biology, DGIST, Daegu 42988, Republic of Korea; Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.
| | - Je Kyung Seong
- Laboratory of Developmental Biology and Genomics, Research Institute for Veterinary Science, and BK21 Project for Creative Veterinary Science Research, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea; Korea Mouse Phenotyping Center, Seoul National University, Seoul 08826, Republic of Korea; BIO-MAX Institute, Seoul National University, Seoul 08826, Republic of Korea; Interdisciplinary Program for Bioinformatics, Seoul National University, Seoul 08826, Republic of Korea.
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Zhang S, Zhang L, Wang L, Wang H, Wu J, Cai H, Mo C, Yang J. Machine learning identified MDK score has prognostic value for idiopathic pulmonary fibrosis based on integrated bulk and single cell expression data. Front Genet 2023; 14:1246983. [PMID: 38075691 PMCID: PMC10704369 DOI: 10.3389/fgene.2023.1246983] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 11/10/2023] [Indexed: 03/09/2024] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive and fatal lung disease that poses a significant challenge to medical professionals due to its increasing incidence and prevalence coupled with the limited understanding of its underlying molecular mechanisms. In this study, we employed a novel approach by integrating five expression datasets from bulk tissue with single-cell datasets; they underwent pseudotime trajectory analysis, switch gene selection, and cell communication analysis. Utilizing the prognostic information derived from the GSE47460 dataset, we identified 22 differentially expressed switch genes that were correlated with clinical indicators as important genes. Among these genes, we found that the midkine (MDK) gene has the potential to serve as a marker of Idiopathic pulmonary fibrosis because its cellular communicating genes are differentially expressed in the epithelial cells. We then utilized midkine and its cellular communication-related genes to calculate the midkine score. Machine learning models were further constructed through midkine and related genes to predict Idiopathic pulmonary fibrosis disease through the bulk gene expression datasets. The midkine score demonstrated a correlation with clinical indexes, and the machine learning model achieved an AUC of 0.94 and 0.86 in the Idiopathic pulmonary fibrosis classification task based on lung tissue samples and peripheral blood mononuclear cell samples, respectively. Our findings offer valuable insights into the pathogenesis of Idiopathic pulmonary fibrosis, providing new therapeutic directions and target genes for further investigation.
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Affiliation(s)
- Shichen Zhang
- Center of Growth, Metabolism, and Aging, Key Laboratory of Bio-Resources and Eco-Environment, College of Life Sciences, Sichuan University, Chengdu, China
| | - Lanlan Zhang
- State Key Laboratory of Respiratory Health and Multimorbidity, Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Lu Wang
- Center of Growth, Metabolism, and Aging, Key Laboratory of Bio-Resources and Eco-Environment, College of Life Sciences, Sichuan University, Chengdu, China
| | - Hongqiu Wang
- Systems Hub, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, China
| | - Jiaxin Wu
- Center of Growth, Metabolism, and Aging, Key Laboratory of Bio-Resources and Eco-Environment, College of Life Sciences, Sichuan University, Chengdu, China
| | - Haoyang Cai
- Center of Growth, Metabolism, and Aging, Key Laboratory of Bio-Resources and Eco-Environment, College of Life Sciences, Sichuan University, Chengdu, China
| | - Chunheng Mo
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Jian Yang
- Center of Growth, Metabolism, and Aging, Key Laboratory of Bio-Resources and Eco-Environment, College of Life Sciences, Sichuan University, Chengdu, China
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Kam NW, Lau CY, Che CM, Lee VHF. Nasopharynx Battlefield: Cellular Immune Responses Mediated by Midkine in Nasopharyngeal Carcinoma and COVID-19. Cancers (Basel) 2023; 15:4850. [PMID: 37835544 PMCID: PMC10571800 DOI: 10.3390/cancers15194850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 09/28/2023] [Accepted: 10/02/2023] [Indexed: 10/15/2023] Open
Abstract
Clinical evidence suggests that the severe respiratory illness coronavirus disease 2019 (COVID-19) is often associated with a cytokine storm that results in dysregulated immune responses. Prolonged COVID-19 positivity is thought to disproportionately affect cancer patients. With COVID-19 disrupting the delivery of cancer care, it is crucial to gain momentum and awareness of the mechanistic intersection between these two diseases. This review discusses the role of the cytokine midkine (MK) as an immunomodulator in patients with COVID-19 and nasopharyngeal carcinoma (NPC), both of which affect the nasal cavity. We conducted a review and analysis of immunocellular similarities and differences based on clinical studies, research articles, and published transcriptomic datasets. We specifically focused on ligand-receptor pairs that could be used to infer intercellular communication, as well as the current medications used for each disease, including NPC patients who have contracted COVID-19. Based on our findings, we recommend close monitoring of the MK axis to maintain the desirable effects of therapeutic regimens in fighting both NPC and COVID-19 infections.
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Affiliation(s)
- Ngar-Woon Kam
- Department of Clinical Oncology, Centre of Cancer Medicine, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong 999077, China; (N.-W.K.); (C.-Y.L.)
- Laboratory for Synthetic Chemistry and Chemical Biology Ltd., Hong Kong Science Park, New Territories, Hong Kong 999077, China;
| | - Cho-Yiu Lau
- Department of Clinical Oncology, Centre of Cancer Medicine, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong 999077, China; (N.-W.K.); (C.-Y.L.)
- Laboratory for Synthetic Chemistry and Chemical Biology Ltd., Hong Kong Science Park, New Territories, Hong Kong 999077, China;
| | - Chi-Ming Che
- Laboratory for Synthetic Chemistry and Chemical Biology Ltd., Hong Kong Science Park, New Territories, Hong Kong 999077, China;
- Department of Chemistry, Faculty of Science, The University of Hong Kong, Hong Kong 999077, China
| | - Victor Ho-Fun Lee
- Department of Clinical Oncology, Centre of Cancer Medicine, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong 999077, China; (N.-W.K.); (C.-Y.L.)
- Clinical Oncology Center, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
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Salgüero S, Brochado-Kith Ó, Verdices AV, Berenguer J, González-García J, Martínez I, Díez C, Hontañón V, Pérez-Latorre L, Fernández-Rodríguez A, Jiménez-Sousa MÁ, Resino S. PBMCs gene expression signature of advanced cirrhosis with high risk for clinically significant portal hypertension in HIV/HCV coinfected patients: A cross-control study. Biomed Pharmacother 2023; 159:114220. [PMID: 36628818 DOI: 10.1016/j.biopha.2023.114220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Patients with advanced cirrhosis are at high risk of developing clinically significant portal hypertension (CSPH). We analyzed the gene expression profile of peripheral blood mononuclear cells (PBMCs) from HIV/HCV coinfected patients to identify a gene expression signature of advanced cirrhosis with high risk for CSPH. METHODS We conducted a cross-sectional study on 68 patients. Liver stiffness measurement (LSM) was used to stratify patients into < 12.5 kPa (no cirrhosis, n = 19), 12.5 - 24.9 kPa (cirrhosis, n = 20), and ≥ 25 kPa (advanced cirrhosis with high risk for CSPH, n = 29). Besides, we further evaluated LSM < 25 kPa (n = 39) vs. ≥ 25 kPa (n = 29). Total RNA was extracted from PBMCs, and poly(A) RNA sequencing was performed. Two significant differentially expressed (SDE) transcripts were validated by quantitative PCR in a different cohort (n = 46). RESULTS We found 60 SDE transcripts between patients with LSM < 12.5 kPa and ≥ 25 kPa. Partial least squares discriminant analysis showed that those 60 SDE transcripts collectively discriminated LSM ≥ 25 kPa, with an area under the receiver operating characteristic curve (AUROC) of 0.84. Eight genes had an AUROC ≥ 0.75 for LSM ≥ 25 kPa: five were positively associated with LSM values (SCAMP1, ABHD17B, GPR146, GTF2A1, and TMEM64), while three were inversely associated (ZFHX2-AS1, MDK, and STAG3L2). We validated the two SDE transcripts with the highest discrimination capacity in a different cohort, finding significant differences between < 25 kPa and ≥ 25 kPa (MDK (p = 0.006) and STAG3L2 (p = 0.021)). CONCLUSIONS A gene expression signature of 60 transcripts was associated with advanced cirrhosis with high risk for CSPH in HIV/HCV coinfected patients.
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Affiliation(s)
- Sergio Salgüero
- Unidad de Infección Viral e Inmunidad, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain; Unidad de Análisis Clínicos, Hospital El Escorial, Spain.
| | - Óscar Brochado-Kith
- Unidad de Infección Viral e Inmunidad, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain.
| | - Ana Virseda Verdices
- Unidad de Infección Viral e Inmunidad, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain.
| | - Juan Berenguer
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain; Unidad de Enfermedades Infecciosas/VIH; Hospital General Universitario "Gregorio Marañón", Madrid, Spain; Instituto de Investigación Sanitaria del Gregorio Marañón, Madrid, Spain.
| | - Juan González-García
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain; Unidad de VIH; Servicio de Medicina Interna, Hospital Universitario "La Paz", Madrid, Spain; Instituto de Investigación Sanitaria La Paz (IdiPAZ), Madrid, Spain.
| | - Isidoro Martínez
- Unidad de Infección Viral e Inmunidad, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain.
| | - Cristina Díez
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain; Unidad de Enfermedades Infecciosas/VIH; Hospital General Universitario "Gregorio Marañón", Madrid, Spain; Instituto de Investigación Sanitaria del Gregorio Marañón, Madrid, Spain.
| | - Víctor Hontañón
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain; Unidad de VIH; Servicio de Medicina Interna, Hospital Universitario "La Paz", Madrid, Spain; Instituto de Investigación Sanitaria La Paz (IdiPAZ), Madrid, Spain.
| | - Leire Pérez-Latorre
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain; Unidad de Enfermedades Infecciosas/VIH; Hospital General Universitario "Gregorio Marañón", Madrid, Spain; Instituto de Investigación Sanitaria del Gregorio Marañón, Madrid, Spain.
| | - Amanda Fernández-Rodríguez
- Unidad de Infección Viral e Inmunidad, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain.
| | - María Ángeles Jiménez-Sousa
- Unidad de Infección Viral e Inmunidad, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain.
| | - Salvador Resino
- Unidad de Infección Viral e Inmunidad, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain.
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7
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Majaj M, Weckbach LT. Midkine-A novel player in cardiovascular diseases. Front Cardiovasc Med 2022; 9:1003104. [PMID: 36204583 PMCID: PMC9530663 DOI: 10.3389/fcvm.2022.1003104] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 08/30/2022] [Indexed: 11/18/2022] Open
Abstract
Midkine (MK) is a 13-kDa heparin-binding cytokine and growth factor with anti-apoptotic, pro-angiogenic, pro-inflammatory and anti-infective functions, that enable it to partake in a series of physiological and pathophysiological processes. In the past, research revolving around MK has concentrated on its roles in reproduction and development, tissue protection and repair as well as inflammatory and malignant processes. In the recent few years, MK's implication in a wide scope of cardiovascular diseases has been rigorously investigated. Nonetheless, there is still no broadly accepted consensus on whether MK exerts generally detrimental or favorable effects in cardiovascular diseases. The truth probably resides somewhere in-between and depends on the underlying physiological or pathophysiological condition. It is therefore crucial to thoroughly examine and appraise MK's participation in cardiovascular diseases. In this review, we introduce the MK gene and protein, its multiple receptors and signaling pathways along with its expression in the vascular system and its most substantial functions in cardiovascular biology. Further, we recapitulate the current evidence of MK's expression in cardiovascular diseases, addressing the various sources and modes of MK expression. Moreover, we summarize the most significant implications of MK in cardiovascular diseases with particular emphasis on MK's advantageous and injurious functions, highlighting its ample diagnostic and therapeutic potential. Also, we focus on conflicting roles of MK in a number of cardiovascular diseases and try to provide some clarity and guidance to MK's multifaceted roles. In summary, we aim to pave the way for MK-based diagnostics and therapies that could present promising tools in the diagnosis and treatment of cardiovascular diseases.
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Affiliation(s)
- Marina Majaj
- Walter Brendel Centre for Experimental Medicine, Biomedical Centre, Institute for Cardiovascular Physiology und Pathophysiology, Ludwig-Maximilians-University Munich, Munich, Germany
- Department of Neurology, Heidelberg University Hospital, Heidelberg, Germany
| | - Ludwig T. Weckbach
- Walter Brendel Centre for Experimental Medicine, Biomedical Centre, Institute for Cardiovascular Physiology und Pathophysiology, Ludwig-Maximilians-University Munich, Munich, Germany
- Medizinische Klinik und Poliklinik I, Klinikum der Universität München, Munich, Germany
- Deutsches Zentrum für Herz-Kreislauf-Forschung e. V, Berlin, Germany
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8
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Ketenci S, Uygar Kalaycı M, Dündar B, Duranay R, Şükrü Aynacıoğlu A. Elevated serum midkine levels in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infected patients. Int Immunopharmacol 2022; 110:108939. [PMID: 35717836 PMCID: PMC9181266 DOI: 10.1016/j.intimp.2022.108939] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 01/08/2023]
Abstract
BACKGROUND The coronavirus disease-2019 (COVID-19) pandemic has caused important health, economic, social, and cultural problems worldwide. Recent findings demonstrate an excessive cytokine release during the disease development, especially in the seriously life-threatening form of COVID-19. Among other chemokines and cytokines that are released in high amounts at the infection site of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), midkine (MK), which is a potent pro-inflammatory growth factor/ cytokine, can be also overexpressed and contribute to the pathophysiological process in patients infected with SARS-CoV-2. MATERIALS AND METHOD Serum was collected from 87 intensive care unit (ICU) patients that are COVID-19 positive and 50 healthy volunteers in the control group with a negative PCR test and without disease symptoms. Circulating MK concentration was measured by enzyme-linked immunosorbent assay (ELISA). RESULTS COVID-19 patients had a significantly higher serum MK concentration compared to non-COVID-19 control subjects (1892.8 ± 1615.8 pg/mL versus 680.7 ± 907.6 pg/mL, respectively; P < 0.001). The cut-off MK concentration was 716.7 pg/ mL, with the sensitivity and specificity of 75.9 % and 76.0 %, respectively. The area under the receiver operating characteristic (ROC) curve of MK was = 0.827. Our findings showed that circulating MK levels are significantly increased in SARS-CoV-2 infected patients. CONCLUSION We suggest that MK is involved in the pathogenesis of COVID-19 and may be a part of hypercytokinaemia. Therefore, MK may serve as a supporting biomarker in the diagnosis of COVID-19, and blocking MK actions or its targets may attenuate the inflammatory process and the severity of the disease.
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Affiliation(s)
- Sema Ketenci
- Istanbul Atlas University, Faculty of Medicine, Department of Medical Pharmacology, Istanbul, Turkey
| | - M. Uygar Kalaycı
- Istanbul Atlas University, Faculty of Medicine, Department of General Surgery, Istanbul, Turkey
| | - Bağnu Dündar
- Istanbul Atlas University, Faculty of Medicine, Department of Biochemistry, Istanbul, Turkey
| | - Recep Duranay
- Istanbul Atlas University, Faculty of Engineering, Computer Engineering, Istanbul, Turkey
| | - A. Şükrü Aynacıoğlu
- Istanbul Atlas University, Faculty of Medicine, Department of Medical Pharmacology, Istanbul, Turkey,Corresponding author at: Istanbul Atlas University, Anadolu Cad. No: 40, Kağıthane, 34408 Istanbul, Turkey
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9
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Serum midkine level might be a diagnostic tool for COVID19 disease in pregnancy: From the disease severity, hospitalization and disease progression respects. Cytokine 2021; 149:155751. [PMID: 34739899 PMCID: PMC8556549 DOI: 10.1016/j.cyto.2021.155751] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 09/09/2021] [Accepted: 10/18/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND New biomarkers for diagnosis and monitoring the COVID-19 disease are the most important topics to be studied recently. We aimed to investigate the association between midkine levels and disease severity in pregnant women with COVID-19. METHODS Totally 186 pregnant women were participated in this study. 96 of them were healthy pregnant women, 90 of them were pregnant women with COVID19. Pregnant women were evaluated according to their trimesters. Serum midkine level, biochemical profile clinical and disease severity outcomes of pregnant women were obtained. RESULTS Our results showed that pregnant women with COVID19 have significantly increased serum midkine level compared to healthy pregnant women (1.801 ± 0.977 vs 0.815 ± 0.294 ng/dL). According to the data among each trimester, it was shown that there were significant increase in serum midkine level during all pregnancy trimesters (1st trimester Control Group: 0.714 ± 0.148, COVID-19 group 1.623 ± 0.824, p < 0.0001; 2nd trimester Control Group: 0.731 ± 0.261, COVID-19 group 2.059 ± 1.146, p < 0.0001; 3rd trimester Control Group: 1.0 ± 0.35, COVID-19 group 1.723 ± 0.907, p = 0.001). Serum midkine levels were significantly different between disease severity subgroups of pregnant women with COVID19; moderate and severe/critic groups had significantly higher serum midkine level than mild group. There was also significant correlation between serum midkine level and severity status (p:0.0001, r: 0.468). The most striking results of serum midkine levels were corelation between length of hospitalization (p: 0.01, r: 0.430) and O2 saturation (p < 0.0001, r: -0.521). ROC curve analysis showed that serum midkine level might be a tool for predicting COVID-19 in pregnant women with COVID-19 (AUC: 0.912, 95% CI: [0.871, 0.952], p < 0.0001) CONCLUSION: Our data showed that there is an obvious relation between COVID19 progression and serum midkine level for the first time which might be used for monitoring the disease process.
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10
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Ketenci S, Aynacıoğlu AŞ. The growth factor/cytokine midkine may participate in cytokine storm and contribute to the pathogenesis of severe acute respiratory syndrome coronavirus 2-infected patients. THE EGYPTIAN JOURNAL OF BRONCHOLOGY 2021. [PMCID: PMC8475858 DOI: 10.1186/s43168-021-00087-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Abstract
Background
The current coronavirus disease 2019 (COVID-19) outbreak caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has emerged in Wuhan, China, and has rapidly become a global challenge, creating major challenges to health systems in almost every country in the world it has turned into a pandemic. COVID-19 poses a risky clinical situation that can range from mild illness to severe respiratory failure, requiring admission to intensive care.
Main body
It is known that SARS-CoV-2 infection causes a cytokine storm in some critically ill patients. However, more and more evidence showed that there is a dramatic increase in cytokine levels in patients diagnosed with COVID-19. Midkine (MK) is involved in various physiological and pathological processes, which some of them are desired and beneficial such as controlling tissue repair and antimicrobial effects, but some others are harmful such as promoting inflammation, carcinogenesis, and chemoresistance. Also, MK is expressed in inflammatory cells and released by endothelial cells under hypoxic conditions.
Conclusions
Considering all this information, there are strong data that midkine, an important cytokine known to increase in inflammatory diseases, may be overexpressed in patients who are positive for COVID-19. The overexpression of MK reveals a picture leading to fibrosis and damage in the lung. Therefore, questions arise about how the expression of MK changes in COVID-19 patients and can we use it as an inflammation biomarker or in the treatment protocol in the future.
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11
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Jiang C, McKay RM, Le LQ. Tumorigenesis in neurofibromatosis type 1: role of the microenvironment. Oncogene 2021; 40:5781-5787. [PMID: 34345017 PMCID: PMC8713356 DOI: 10.1038/s41388-021-01979-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/12/2021] [Accepted: 07/21/2021] [Indexed: 02/07/2023]
Abstract
Neurofibromatosis Type 1 (NF1) is one of the most common inherited neurological disorders and predisposes patients to develop benign and malignant tumors. Neurofibromas are NF1-associated benign tumors but can cause substantial discomfort and disfigurement. Numerous studies have shown that neurofibromas arise from the Schwann cell lineage but both preclinical mouse models and clinical trials have demonstrated that the neurofibroma tumor microenvironment contributes significantly to tumorigenesis. This offers the opportunity for targeting new therapeutic vulnerabilities to treat neurofibromas. However, a translational gap exists between deciphering the contribution of the neurofibroma tumor microenvironment and clinically applying this knowledge to treat neurofibromas. Here, we discuss the key cellular and molecular components in the neurofibroma tumor microenvironment that can potentially be targeted therapeutically to advance neurofibroma treatment.
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Affiliation(s)
- Chunhui Jiang
- Department of Dermatology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA
| | - Renee M McKay
- Department of Dermatology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA
| | - Lu Q Le
- Department of Dermatology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA.
- Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA.
- UTSW Comprehensive Neurofibromatosis Clinic, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA.
- Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA.
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12
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H. sinensis mycelium inhibits epithelial-mesenchymal transition by inactivating the midkine pathway in pulmonary fibrosis. Front Med 2021; 15:313-329. [PMID: 33908025 DOI: 10.1007/s11684-020-0737-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Accepted: 11/27/2019] [Indexed: 09/29/2022]
Abstract
The medical fungus Hirsutella sinensis has been used as a Chinese folk health supplement because of its immunomodulatory properties. Our previous studies established the antifibrotic action of Hirsutella sinensis mycelium (HSM) in the lung. The epithelial-mesenchymal transition (EMT) is involved in the pathogenesis of idiopathic pulmonary fibrosis. The present study investigates the role of HSM in mediating EMT during the development of pulmonary fibrosis. HSM significantly inhibits bleomycin (BLM)-induced pulmonary fibrosis by blocking the EMT. In addition, the expression levels of midkine are increased in the lungs of the BLM-induced group. Further analysis of the results indicates that the mRNA level of midkine correlated positively with EMT. HSM markedly abrogates the transforming growth factor β-induced EMT-like phenotype and behavior in vitro. The activation of midkine related signaling pathway is ameliorated following HSM treatment, whereas this extract also caused an effective attenuation of the induction of EMT (caused by midkine overexpression) in vitro. Results further confirm that oral medication of HSM disrupted the midkine pathway in vivo. Overall, findings suggest that the midkine pathway and the regulation of the EMT may be considered novel candidate therapeutic targets for the antifibrotic effects caused by HSM.
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13
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Xu JY, Chang W, Sun Q, Peng F, Yang Y. Pulmonary midkine inhibition ameliorates sepsis induced lung injury. J Transl Med 2021; 19:91. [PMID: 33639987 PMCID: PMC7913048 DOI: 10.1186/s12967-021-02755-z] [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: 09/22/2020] [Accepted: 02/16/2021] [Indexed: 02/08/2023] Open
Abstract
Background Midkine is a multi-functional molecule participating in a various key pathological process. We aimed to evaluate the change of midkine in sepsis and its association with angiotensin-converting enzyme (ACE) system, as well as the mechanism by which midkine induced in sepsis and lung injury. Methods The peripheral blood sample of septic patients on admission was obtained and measured for midkine, ACE and angiotensin II. Cecal ligation and puncture (CLP) mouse model was used, and adeno-associated virus (AAV) was stilled trans-trachea for regional targeting midkine expression, comparing the severity of lung injury. Furthermore, we studied the in vitro mechanism of midkine activates ACE system by using inhibitors targeting candidate receptors of midkine, and its effects on the vascular endothelial cells. Results Plasma midkine was significantly elevated in sepsis, and was closely associated with ACE system. Both circulating and lung midkine was increased in CLP mouse, and was related to severe lung injury. Regional interfering midkine expression in lung tissue by AAV could alleviate acute lung injury in CLP model. In vitro study elucidated that Notch 2 participated in the activation of ACE system and angiotensin II release, induced by midkine and triggered vascular endothelial injury by angiotensin II induced reactive oxygen species production. Conclusions Midkine inhibition ameliorates sepsis induced lung injury, which might via ACE/Ang II pathway and the participation of Notch 2 in the stimulation of ACE. Trial registration Clinicaltrials.gov NCT02605681. Registered 12 November 2015
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Affiliation(s)
- Jing-Yuan Xu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Rd., Nanjing, 210009, People's Republic of China
| | - Wei Chang
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Rd., Nanjing, 210009, People's Republic of China
| | - Qin Sun
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Rd., Nanjing, 210009, People's Republic of China
| | - Fei Peng
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Rd., Nanjing, 210009, People's Republic of China
| | - Yi Yang
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjiaqiao Rd., Nanjing, 210009, People's Republic of China.
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14
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Sanino G, Bosco M, Terrazzano G. Physiology of Midkine and Its Potential Pathophysiological Role in COVID-19. Front Physiol 2020; 11:616552. [PMID: 33414726 PMCID: PMC7783444 DOI: 10.3389/fphys.2020.616552] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 11/27/2020] [Indexed: 11/23/2022] Open
Abstract
SARS-CoV2 infection not only causes abnormal severe pneumonia but also induces other relevant pathophysiological effects on several tissues and organs. In this regard, the clinical complications observed in COVID-19 include acute coronary syndrome, pulmonary thromboembolism, myocarditis and, in the severe cases, the occurrence of disseminated intravascular coagulation. Literature on COVID-19 highlighted the central role of the Renin Angiotensin Aldosterone System in the determinism of SARS-CoV2 cellular internalization in the target tissues. Lung degeneration and respiratory distress appear to be dependent on the perturbance of physiological mechanisms, such as the uncontrolled release of pro-inflammatory cytokines, a dysregulation of the fibrinolytic coagulative cascade and the hyperactivation of immune effector cells. In this mini review, we address the physiology of Midkine, a growth factor able to bind heparin, and its pathophysiological potential role in COVID-19 determinism. Midkine increases in many inflammatory and autoimmune conditions and correlates with several dysfunctional immune-inflammatory responses that appear to show similarities with the pathophysiological elicited by SARS-CoV2. Midkine, together with its receptor, could facilitate the virus entry, fostering its accumulation and increasing its affinity with Ace2 receptor. We also focus on Netosis, a particular mechanism of pathogen clearance exerted by neutrophils, which under certain pathological condition becomes dysfunctional and can cause tissue damage. Moreover, we highlight the mechanism of autophagy that the new coronavirus could try to escape in order to replicate itself, as well as on pulmonary fibrosis induced by hypoxia and on the release of cytokines and mediators of inflammation, correlating the interplay between Midkine and SARS-CoV2.
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Affiliation(s)
- Giulia Sanino
- Farmacia Municipale 2, Azienda Sanitaria Locale (ASL) CN1, Fossano, Italy
| | - Martino Bosco
- Anatomia Patologica, Hospital “Michele e Pietro Ferrero”, Verduno, Italy
| | - Giuseppe Terrazzano
- Department of Science, University of Basilicata, Potenza, Italy
- Department of Translational Medical Sciences, University of Naples Federico II, Napoli, Italy
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15
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Zuo WL, Rostami MR, LeBlanc M, Kaner RJ, O’Beirne SL, Mezey JG, Leopold PL, Quast K, Visvanathan S, Fine JS, Thomas MJ, Crystal RG. Dysregulation of club cell biology in idiopathic pulmonary fibrosis. PLoS One 2020; 15:e0237529. [PMID: 32941426 PMCID: PMC7498242 DOI: 10.1371/journal.pone.0237529] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 07/28/2020] [Indexed: 11/19/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive, chronic fibrotic lung disease with an irreversible decline of lung function. "Bronchiolization", characterized by ectopic appearance of airway epithelial cells in the alveolar regions, is one of the characteristic features in the IPF lung. Based on the knowledge that club cells are the major epithelial secretory cells in human small airways, and their major secretory product uteroglobin (SCGB1A1) is significantly increased in both serum and epithelial lining fluid of IPF lung, we hypothesize that human airway club cells contribute to the pathogenesis of IPF. By assessing the transcriptomes of the single cells from human lung of control donors and IPF patients, we identified two SCGB1A1+ club cell subpopulations, highly expressing MUC5B, a significant genetic risk factor strongly associated with IPF, and SCGB3A2, a marker heterogeneously expressed in the club cells, respectively. Interestingly, the cellular proportion of SCGB1A1+MUC5B+ club cells was significantly increased in IPF patients, and this club cell subpopulation highly expressed genes related to mucous production and immune cell chemotaxis. In contrast, though the cellular proportion did not change, the molecular phenotype of the SCGB1A1+SCGB3A2high club cell subpopulation was significantly altered in IPF lung, with increased expression of mucins, cytokine and extracellular matrix genes. The single cell transcriptomic analysis reveals the cellular and molecular heterogeneity of club cells, and provide novel insights into the biological functions of club cells in the pathogenesis of IPF.
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Affiliation(s)
- Wu-Lin Zuo
- Department of Genetic Medicine, Weill Cornell Medical College, New York, New York, United States of America
| | - Mahboubeh R. Rostami
- Department of Genetic Medicine, Weill Cornell Medical College, New York, New York, United States of America
| | - Michelle LeBlanc
- Department of Genetic Medicine, Weill Cornell Medical College, New York, New York, United States of America
| | - Robert J. Kaner
- Department of Genetic Medicine, Weill Cornell Medical College, New York, New York, United States of America
- Department of Medicine, Weill Cornell Medical College, New York, New York, United States of America
| | - Sarah L. O’Beirne
- Department of Genetic Medicine, Weill Cornell Medical College, New York, New York, United States of America
- Department of Medicine, Weill Cornell Medical College, New York, New York, United States of America
| | - Jason G. Mezey
- Department of Genetic Medicine, Weill Cornell Medical College, New York, New York, United States of America
- Department of Biological Statistics and Computational Biology, Cornell University, Ithaca, New York, United States of America
| | - Philip L. Leopold
- Department of Genetic Medicine, Weill Cornell Medical College, New York, New York, United States of America
| | - Karsten Quast
- Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Sudha Visvanathan
- Boehringer Ingelheim Pharmaceuticals, Ridgefield, Connecticut, United States of America
| | - Jay S. Fine
- Boehringer Ingelheim Pharmaceuticals, Ridgefield, Connecticut, United States of America
| | - Matthew J. Thomas
- Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Ronald G. Crystal
- Department of Genetic Medicine, Weill Cornell Medical College, New York, New York, United States of America
- Department of Medicine, Weill Cornell Medical College, New York, New York, United States of America
- * E-mail:
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16
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Cai YQ, Lv Y, Mo ZC, Lei J, Zhu JL, Zhong QQ. Multiple pathophysiological roles of midkine in human disease. Cytokine 2020; 135:155242. [PMID: 32799009 DOI: 10.1016/j.cyto.2020.155242] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 08/07/2020] [Accepted: 08/07/2020] [Indexed: 12/27/2022]
Abstract
Midkine (MK) is a low molecular-weight protein that was first identified as the product of a retinoic acid-responsive gene involved in embryonic development. Recent studies have indicated that MK levels are related to various diseases, including cardiovascular disease (CVD), renal disease and autoimmune disease. MK is a growth factor involved in multiple pathophysiological processes, such as inflammation, the repair of damaged tissues and cancer. The pathophysiological roles of MK are diverse. MK enhances the recruitment and migration of inflammatory cells upon inflammation directly and also through induction of chemokines, and contributes to tissue damage. In lung endothelial cells, oxidative stress increased the expression of MK, which induced angiotensin-converting enzyme (ACE) expression and the consequent conversion from Ang I to Ang II, leading to further oxidative stress. MK inhibited cholesterol efflux from macrophages by reducing ATP-binding cassette transporter A1 (ABCA1) expression, which is involved in lipid metabolism, suggesting that MK is an important positive factor involved in inflammation, oxidative stress and lipid metabolism. Furthermore, MK can regulate the expansion, differentiation and activation of T cells as well as B-cell survival; mediate angiogenic and antibacterial activity; and possess anti-apoptotic activity. In this paper, we summarize the pathophysiological roles of MK in human disease.
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Affiliation(s)
- Ya-Qin Cai
- Hunan Province Innovative Training Base for Medical Postgraduates, Clinical Anatomy & Reproductive Medicine Application Institute, University of South China, Hengyang 421001, China; Institute of Basic Medical Sciences, Guilin Medical University, Guilin 541199, Guangxi, China
| | - Yuncheng Lv
- Hunan Province Innovative Training Base for Medical Postgraduates, Clinical Anatomy & Reproductive Medicine Application Institute, University of South China, Hengyang 421001, China; Institute of Basic Medical Sciences, Guilin Medical University, Guilin 541199, Guangxi, China
| | - Zhong-Cheng Mo
- Hunan Province Innovative Training Base for Medical Postgraduates, Clinical Anatomy & Reproductive Medicine Application Institute, University of South China, Hengyang 421001, China; Institute of Basic Medical Sciences, Guilin Medical University, Guilin 541199, Guangxi, China
| | - Jiashun Lei
- Hunan Province Innovative Training Base for Medical Postgraduates, Clinical Anatomy & Reproductive Medicine Application Institute, University of South China, Hengyang 421001, China
| | - Jing-Ling Zhu
- Hunan Province Innovative Training Base for Medical Postgraduates, Clinical Anatomy & Reproductive Medicine Application Institute, University of South China, Hengyang 421001, China
| | - Qiao-Qing Zhong
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha 410008, China.
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Dobie R, Wilson-Kanamori JR, Henderson BEP, Smith JR, Matchett KP, Portman JR, Wallenborg K, Picelli S, Zagorska A, Pendem SV, Hudson TE, Wu MM, Budas GR, Breckenridge DG, Harrison EM, Mole DJ, Wigmore SJ, Ramachandran P, Ponting CP, Teichmann SA, Marioni JC, Henderson NC. Single-Cell Transcriptomics Uncovers Zonation of Function in the Mesenchyme during Liver Fibrosis. Cell Rep 2019; 29:1832-1847.e8. [PMID: 31722201 PMCID: PMC6856722 DOI: 10.1016/j.celrep.2019.10.024] [Citation(s) in RCA: 230] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 08/26/2019] [Accepted: 10/07/2019] [Indexed: 12/11/2022] Open
Abstract
Iterative liver injury results in progressive fibrosis disrupting hepatic architecture, regeneration potential, and liver function. Hepatic stellate cells (HSCs) are a major source of pathological matrix during fibrosis and are thought to be a functionally homogeneous population. Here, we use single-cell RNA sequencing to deconvolve the hepatic mesenchyme in healthy and fibrotic mouse liver, revealing spatial zonation of HSCs across the hepatic lobule. Furthermore, we show that HSCs partition into topographically diametric lobule regions, designated portal vein-associated HSCs (PaHSCs) and central vein-associated HSCs (CaHSCs). Importantly we uncover functional zonation, identifying CaHSCs as the dominant pathogenic collagen-producing cells in a mouse model of centrilobular fibrosis. Finally, we identify LPAR1 as a therapeutic target on collagen-producing CaHSCs, demonstrating that blockade of LPAR1 inhibits liver fibrosis in a rodent NASH model. Taken together, our work illustrates the power of single-cell transcriptomics to resolve the key collagen-producing cells driving liver fibrosis with high precision.
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Affiliation(s)
- Ross Dobie
- Centre for Inflammation Research, The Queen's Medical Research Institute, Edinburgh BioQuarter, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - John R Wilson-Kanamori
- Centre for Inflammation Research, The Queen's Medical Research Institute, Edinburgh BioQuarter, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Beth E P Henderson
- Centre for Inflammation Research, The Queen's Medical Research Institute, Edinburgh BioQuarter, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - James R Smith
- Centre for Inflammation Research, The Queen's Medical Research Institute, Edinburgh BioQuarter, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Kylie P Matchett
- Centre for Inflammation Research, The Queen's Medical Research Institute, Edinburgh BioQuarter, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Jordan R Portman
- Centre for Inflammation Research, The Queen's Medical Research Institute, Edinburgh BioQuarter, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Karolina Wallenborg
- Karolinska Institutet (KI), Science for Life Laboratory, Tomtebodavägen 23, Solna 171 65, Sweden
| | - Simone Picelli
- Karolinska Institutet (KI), Science for Life Laboratory, Tomtebodavägen 23, Solna 171 65, Sweden
| | | | | | | | | | | | | | - Ewen M Harrison
- Clinical Surgery, University of Edinburgh, Royal Infirmary of Edinburgh, Edinburgh EH16 4SA, UK
| | - Damian J Mole
- Centre for Inflammation Research, The Queen's Medical Research Institute, Edinburgh BioQuarter, University of Edinburgh, Edinburgh EH16 4TJ, UK; Clinical Surgery, University of Edinburgh, Royal Infirmary of Edinburgh, Edinburgh EH16 4SA, UK
| | - Stephen J Wigmore
- Centre for Inflammation Research, The Queen's Medical Research Institute, Edinburgh BioQuarter, University of Edinburgh, Edinburgh EH16 4TJ, UK; Clinical Surgery, University of Edinburgh, Royal Infirmary of Edinburgh, Edinburgh EH16 4SA, UK
| | - Prakash Ramachandran
- Centre for Inflammation Research, The Queen's Medical Research Institute, Edinburgh BioQuarter, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Chris P Ponting
- MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine at the University of Edinburgh, Edinburgh EH4 2XU, UK; Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge CB10 1SA, UK
| | - Sarah A Teichmann
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge CB10 1SA, UK; European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Hinxton, Cambridge CB10 1SD, UK; Theory of Condensed Matter Group, The Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, UK
| | - John C Marioni
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge CB10 1SA, UK; European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Hinxton, Cambridge CB10 1SD, UK; Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge CB2 0RE, UK
| | - Neil C Henderson
- Centre for Inflammation Research, The Queen's Medical Research Institute, Edinburgh BioQuarter, University of Edinburgh, Edinburgh EH16 4TJ, UK.
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18
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Liu B, Lü W, Ge H, Tang H, Li R, Zhang C. Protective Effect of the Traditional Chinese Patent Medicine Qing-Xuan Granule against Bleomycin-Induced Pulmonary Fibrosis in Mice. Chem Biodivers 2019; 16:e1900467. [PMID: 31556199 DOI: 10.1002/cbdv.201900467] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 09/25/2019] [Indexed: 12/21/2022]
Abstract
Pulmonary fibrosis (PF) is a chronic obstructive pulmonary disease without effective clinical drug treatment. Qing-Xuan Granule (QX) as a traditional Chinese patent medicine is clinically used to cure children's cough. This study was designed to investigate the effects of QX and possible molecular mechanisms for bleomycin-induced PF. The work used Western blotting and Q-PCR to explore the vitro and vivo mechanisms of QX treatment, while using HPLC-TOF/MS to explore the composition of QX. QX was given daily orally for two weeks after bleomycin intratracheal instillation. The protective effects of QX on lung function, inflammation, growth factors, hydroxyproline content and deposition of extracellular matrix were investigated. QX decreased expression of Col I and α-SMA in lung tissues by down-regulating TGF-β1-Smad2/3 signaling and suppressed epithelial-mesenchymal transition and effectively reversed abnormal mRNA levels of MMP-1and TIMP-1 as well as LOXL-2 in lung tissues. HPLC-TOF/MS indicate that six substances could be the main active components, which were reported to protect against experimental lung disease.
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Affiliation(s)
- Bei Liu
- School of Chinese Materia Medical, China Pharmaceutical University, Nanjing, 211198, P. R. China
| | - Weichao Lü
- School of Chinese Materia Medical, China Pharmaceutical University, Nanjing, 211198, P. R. China
| | - Haitao Ge
- Suzhong Pharmaceutical Group Co., Ltd., 1 Suzhong Road, Taizhou, 225500, P. R. China
| | - Haitao Tang
- Suzhong Pharmaceutical Group Co., Ltd., 1 Suzhong Road, Taizhou, 225500, P. R. China
| | - Renshi Li
- School of Chinese Materia Medical, China Pharmaceutical University, Nanjing, 211198, P. R. China
| | - Chaofeng Zhang
- School of Chinese Materia Medical, China Pharmaceutical University, Nanjing, 211198, P. R. China
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19
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Kasam RK, Reddy GB, Jegga AG, Madala SK. Dysregulation of Mesenchymal Cell Survival Pathways in Severe Fibrotic Lung Disease: The Effect of Nintedanib Therapy. Front Pharmacol 2019; 10:532. [PMID: 31156440 PMCID: PMC6533541 DOI: 10.3389/fphar.2019.00532] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Accepted: 04/29/2019] [Indexed: 12/25/2022] Open
Abstract
Impaired apoptotic clearance of myofibroblasts can result in the continuous expansion of scar tissue during the persistent injury in the lung. However, the molecular and cellular mechanisms underlying the apoptotic clearance of multiple mesenchymal cells including fibrocytes, fibroblasts and myofibroblasts in severe fibrotic lung diseases such as idiopathic pulmonary fibrosis (IPF) remain largely unknown. We analyzed the apoptotic pathways activated in mesenchymal cells of IPF and in a mouse model of TGFα-induced pulmonary fibrosis. We found that fibrocytes and myofibroblasts in fibrotic lung lesions have acquired resistance to Fas-induced apoptosis, and an FDA-approved anti-fibrotic agent, nintedanib, effectively induced apoptotic cell death in both. In support, comparative gene expression analyses suggest that apoptosis-linked gene networks similarly dysregulated in both IPF and a mouse model of TGFα-induced pulmonary fibrosis. TGFα mice treated with nintedanib show increased active caspase 3-positive cells in fibrotic lesions and reduced fibroproliferation and collagen production. Further, the long-term nintedanib therapy attenuated fibrocyte accumulation, collagen deposition, and lung function decline during TGFα-induced pulmonary fibrosis. These results highlight the importance of inhibiting survival pathways and other pro-fibrotic processes in the various types of mesenchymal cells and suggest that the TGFα mouse model is relevant for testing of anti-fibrotic drugs either alone or in combination with nintedanib.
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Affiliation(s)
- Rajesh K Kasam
- Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, OH, United States.,Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States.,Department of Biochemistry, National Institute of Nutrition, Hyderabad, India
| | - Geereddy B Reddy
- Department of Biochemistry, National Institute of Nutrition, Hyderabad, India
| | - Anil G Jegga
- Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, OH, United States.,Division of Biomedical Informatics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States
| | - Satish K Madala
- Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, OH, United States.,Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States
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20
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Misa K, Tanino Y, Wang X, Nikaido T, Kikuchi M, Sato Y, Togawa R, Tanino M, Tanaka S, Kadomatsu K, Munakata M. Involvement of midkine in the development of pulmonary fibrosis. Physiol Rep 2018; 5:5/16/e13383. [PMID: 28811360 PMCID: PMC5582267 DOI: 10.14814/phy2.13383] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 07/12/2017] [Accepted: 07/14/2017] [Indexed: 12/20/2022] Open
Abstract
Midkine is a low‐molecular‐weight heparin‐binding protein that is strongly expressed mainly in the midgestation period and has various physiological activities such as in development and cell migration. Midkine has been reported to be strongly expressed in cancer cells and in inflammation and repair processes, and to be involved in the pathogenesis of various diseases. However, its role in the lung is poorly understood. In this study, we analyzed the clinical characteristics of idiopathic pulmonary fibrosis patients in relation to midkine expression and used a mouse bleomycin‐induced pulmonary fibrosis model to investigate the role of midkine in pulmonary fibrosis. In the idiopathic pulmonary fibrosis patients, the serum midkine level was significantly higher than in healthy subjects, and midkine levels in the serum and bronchoalveolar lavage (BAL) fluid correlated positively with the percentage of inflammatory cells in the BAL fluid. In wild‐type mice, intratracheal bleomycin administration increased midkine expression in lung tissue. Additionally, compared with wild‐type mice, midkine‐deficient mice showed low expression of both collagen and α‐smooth muscle actin, as well as a low value for the pathological lung fibrosis score after bleomycin administration. Furthermore, the total cell count and lymphocyte percentage in the BAL fluid, as well as TNF‐α and transforming growth factor‐β expression in lung tissue, were significantly lower in the midkine‐deficient mice compared with wild‐type mice. These results suggest that midkine is involved in the development of pulmonary fibrosis by regulating inflammatory cell migration into the lung, and TNF‐α and transforming growth factor‐β expression.
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Affiliation(s)
- Kenichi Misa
- Department of Pulmonary Medicine, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Yoshinori Tanino
- Department of Pulmonary Medicine, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Xintao Wang
- Department of Pulmonary Medicine, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Takefumi Nikaido
- Department of Pulmonary Medicine, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Masami Kikuchi
- Department of Pulmonary Medicine, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Yuki Sato
- Department of Pulmonary Medicine, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Ryuichi Togawa
- Department of Pulmonary Medicine, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Mishie Tanino
- Department of Cancer Pathology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Shinya Tanaka
- Department of Cancer Pathology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Kenji Kadomatsu
- Department of Biochemistry, Nagoya University School of Medicine, Nagoya, Japan
| | - Mitsuru Munakata
- Department of Pulmonary Medicine, Fukushima Medical University School of Medicine, Fukushima, Japan
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