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Huang G, Jian J, Liu CJ. Progranulinopathy: A diverse realm of disorders linked to progranulin imbalances. Cytokine Growth Factor Rev 2024; 76:142-159. [PMID: 37981505 PMCID: PMC10978308 DOI: 10.1016/j.cytogfr.2023.11.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 11/05/2023] [Accepted: 11/07/2023] [Indexed: 11/21/2023]
Abstract
Progranulin (PGRN), encoded by the GRN gene in humans, was originally isolated as a secreted growth factor that implicates in a multitude of processes ranging from regulation of tumorigenesis, inflammation to neural proliferation. Compelling evidence indicating that GRN mutation can lead to various common neuronal degenerative diseases and rare lysosomal storage diseases. These findings have unveiled a critical role for PGRN as a lysosomal protein in maintaining lysosomal function. The phenotypic spectrum of PGRN imbalance has expanded to encompass a broad spectrum of diseases, including autoimmune diseases, metabolic, musculoskeletal and cardiovascular diseases. These diseases collectively referred to as Progranulinopathy- a term encompasses the wide spectrum of disorders influenced by PGRN imbalance. Unlike its known extracellular function as a growth factor-like molecule associated with multiple membrane receptors, PGRN also serves as an intracellular co-chaperone engaged in the folding and traffic of its associated proteins, particularly the lysosomal hydrolases. This chaperone activity is required for PGRN to exert its diverse functions across a broad range of diseases, encompassing both the central nervous system and peripheral systems. In this comprehensive review, we present an update of the emerging role of PGRN in Progranulinopathy, with special focus on elucidating the intricate interplay between PGRN and a diverse array of proteins at various levels, ranging from extracellular fluids and intracellular components, as well as various pathophysiological processes involved. This review seeks to offer a comprehensive grasp of PGRN's diverse functions, aiming to unveil intricate mechanisms behind Progranulinopathy and open doors for future research endeavors.
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Affiliation(s)
- Guiwu Huang
- Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, CT, USA; Department of Orthopaedic Surgery, New York University Grossman School of Medicine, New York, NY, USA; Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-sen University, Sun Yat-sen University, Guangzhou, China
| | - Jinlong Jian
- Department of Orthopaedic Surgery, New York University Grossman School of Medicine, New York, NY, USA
| | - Chuan-Ju Liu
- Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, CT, USA; Department of Orthopaedic Surgery, New York University Grossman School of Medicine, New York, NY, USA; Department of Cell Biology, New York University Grossman School of Medicine, New York, NY, USA.
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2
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Liu XM, Yang L, Yang QB. Advanced Progress of Histone Deacetylases in Rheumatic Diseases. J Inflamm Res 2024; 17:947-955. [PMID: 38370467 PMCID: PMC10870932 DOI: 10.2147/jir.s447811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 01/23/2024] [Indexed: 02/20/2024] Open
Abstract
Rheumatic disease is a disease which is not yet fully clarified to etiology and also involved in a local pathological injury or systemic disease. With the continuous improvement of clinical medical research in recent years, the development process of rheumatic diseases has been gradually elucidated; with the intensely study of epigenetics, it is realized that environmental changes can affect genetics, among which histone acetylation is one of the essential mechanisms in epigenetics. Histone deacetylases (HDACs) play an important role in regulating gene expression in various biological processes, including differentiation, development, stress response, and injury. HDACs are involved in a variety of physiological processes and are promising drug targets in various pathological conditions, such as cancer, cardiac and neurodegenerative diseases, inflammation, metabolic and immune disorders, and viral and parasitic infections. In this paper, we reviewed the roles of HDACs in rheumatic diseases in terms of their classification and function.
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Affiliation(s)
- Xue-Mei Liu
- Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan Province, 637000, People’s Republic of China
- Department of Clinical Medicine, Graduate School of North Sichuan Medical College, Nanchong, Sichuan Province, 637000, People’s Republic of China
| | - Liu Yang
- Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan Province, 637000, People’s Republic of China
- Department of Clinical Medicine, Graduate School of North Sichuan Medical College, Nanchong, Sichuan Province, 637000, People’s Republic of China
| | - Qi-Bin Yang
- Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan Province, 637000, People’s Republic of China
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Xiao P, Zhu Y, Xu H, Li J, Tao A, Wang H, Cheng D, Dou X, Guo L. CTGF regulates mineralization in human mature chondrocyte by controlling Pit-1 and modulating ANK via the BMP/Smad signalling. Cytokine 2024; 174:156460. [PMID: 38134555 DOI: 10.1016/j.cyto.2023.156460] [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: 07/26/2023] [Revised: 11/13/2023] [Accepted: 11/29/2023] [Indexed: 12/24/2023]
Abstract
OBJECTIVE Connective tissue growth factor (CTGF) exhibits potent proliferative, differentiated, and mineralizing effects, and is believed to be contribute to cartilage mineralization in Osteoarthritis (OA). However, the underlying mechanism of chondrocyte mineralization induced by CTGF remains obscure. As a key regulator of mineral responses, type III phosphate transporter 1 (Pit-1) has been associated with the pathogenesis of articular mineralization. Therefore, the primary objective of this study was to investigate whether CTGF influences the development of mature chondrocyte mineralization and the underlying mechanisms governing such mineralization. METHODS The effect of Connective tissue growth factor (CTGF) on human C-28/I2 chondrocytes were investigated. The chondrocytes were treated with CTGF or related inhibitors, and transfected with Overexpression and siRNA transfection of Type III Phosphate Transporter 1(Pit-1). Subsequently, the cells were subjected to Alizarin red S staining, PiPer Phosphate Assay Kit, Alkaline Phosphatase Diethanolamine Activity Kit, ELISA, RT-PCR or Western blot analysis. RESULTS Stimulation with Connective tissue growth factor (CTGF) significantly upregulated the expression of the Type III Phosphate Transporter 1(Pit-1) and mineralization levels in chondrocytes through activation of α5β1 integrin and BMP/Samd1/5/8 signaling pathways. Furthermore, treatment with overexpressed Pit-1 markedly increased the expression of Multipass Transmembrane Ankylosis (ANK) transporter in the cells. The inhibitory effect of CTGF receptor blockade using α5β1 Integrin blocking antibody was demonstrated by significantly suppressed the expression of Pit-1 and ANK transporter, as well as chondrocyte mineralization. CONCLUSIONS Our data indicate that Connective tissue growth factor (CTGF) plays a critical role inchondrocyte mineralization, which is dependent on the expression of the Type III Phosphate Transporter 1(Pit-1) and Multipass Transmembrane Ankylosis (ANK) transporter. Consequently, inhibition of CTGF activity may represent a novel therapeutic approach for the management of Osteoarthritis (OA).
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Affiliation(s)
- Peng Xiao
- Jilin Hospital of Integrated Traditional Chinese and Western Medicine, No. 9, Changchun Road, Jilin, Jilin 132012, PR China.
| | - Yunong Zhu
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, PR China.
| | - Hongrui Xu
- Medical College, Dalian University, Dalian, Liaoning 116001, PR China.
| | - Junlei Li
- Department of Cardiology, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, PR China.
| | - Angui Tao
- Jilin Hospital of Integrated Traditional Chinese and Western Medicine, Jilin, Jilin 132012, PR China.
| | - Hongji Wang
- Jilin Hospital of Integrated Traditional Chinese and Western Medicine, Jilin, Jilin 132012, PR China.
| | - Dong Cheng
- Department of Cardiology, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, PR China.
| | - Xiaojie Dou
- Department of Orthopedics, The First People's Hospital of Huzhou, Huzhou, Zhejiang 313000, PR China.
| | - Lin Guo
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, PR China.
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4
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Huang H, Lin Y, Jiang Y, Yao Q, Chen R, Zhao YZ, Kou L. Recombinant protein drugs-based intra articular drug delivery systems for osteoarthritis therapy. Eur J Pharm Biopharm 2023; 183:33-46. [PMID: 36563886 DOI: 10.1016/j.ejpb.2022.12.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 12/05/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022]
Abstract
Osteoarthritis (OA) is the most prevalent chronic degenerative joint disease. It weakens the motor function of patients and imposes a significant economic burden on society. The current medications commonly used in clinical practice do not meet the need for the treatment of OA. Recombinant protein drugs (RPDs) can treat OA by inhibiting inflammatory pathways, regulating catabolism/anabolism, and promoting cartilage repair, thereby showing promise as disease-modifying OA drugs (DMOADs). However, the rapid clearance and short half-life of them in the articular cavity limit their clinical translation. Therefore, the reliable drug delivery systems for extending drug treatment are necessary for the further development. This review introduces RPDs with therapeutic potential for OA, and summarizes their research progress on related drug delivery systems, and make proper discussion on the certain keys for optimal development of this area.
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Affiliation(s)
- Huirong Huang
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of Pharmacy, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Yujie Lin
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of Pharmacy, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou 325027, China
| | - Yiling Jiang
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of Pharmacy, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou 325027, China
| | - Qing Yao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Ruijie Chen
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of Pharmacy, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325027, China
| | - Ying-Zheng Zhao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China.
| | - Longfa Kou
- Wenzhou Municipal Key Laboratory of Pediatric Pharmacy, Department of Pharmacy, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou 325027, China; Wenzhou Key Laboratory of Basic Science and Translational Research of Radiation Oncology, Wenzhou 325027, China.
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5
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Chen Q, Wu Z, Xie L. Progranulin is essential for bone homeostasis and immunology. Ann N Y Acad Sci 2022; 1518:58-68. [PMID: 36177883 DOI: 10.1111/nyas.14905] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Intercellular communication or crosstalk between immune and skeletal cells is considered a crucial element in bone homeostasis modulation. Progranulin (PGRN) is an autocrine growth factor that is structured as beads-on-a-string and participates in multiple pathophysiological processes, including atherosclerosis, arthritis, neurodegenerative pathologies, cancer, and wound repair. PGRN functions as a competitor that binds to tumor necrosis factor receptor 1 (TNFR1), thereby blocking the TNF-α pathway. PGRN is regarded as an agonist of chondrogenesis and osteogenesis, delaying the progression of inflammation through the TNFR2 pathway. The exploitation of PGRN may bring benefits for inflammatory bone diseases and the stabilization of bone homeostasis. The PGRN-modified analog Atsttrin possesses three TNFR-binding fragments and thereby exerts superior therapeutic effects on multiple preclinical animal models compared to PGRN. In this review, we highlight the emerging roles of PGRN in bone formation, as well as in physiological and TNF-α-mediated inflammatory conditions revealed in recent discoveries. We address potential therapies for the treatment of inflammatory bone conditions, such as periodontitis, by the use of PGRN and its derivative Atsttrin.
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Affiliation(s)
- Qian Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, P. R. China.,The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, P. R. China
| | - ZuPing Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, P. R. China.,The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, P. R. China
| | - Liang Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, P. R. China
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Du Z, Huang L, Dai X, Yang D, Niu L, Miller H, Ruan C, Li H, Hu L, Zhou L, Jian D, Sun J, Shi X, Huang P, Chen Y, Zhao X, Liu C. Progranulin regulates the development and function of NKT2 cells through EZH2 and PLZF. Cell Death Differ 2022; 29:1901-1912. [PMID: 35449211 PMCID: PMC9525702 DOI: 10.1038/s41418-022-00973-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 02/23/2022] [Accepted: 03/01/2022] [Indexed: 11/09/2022] Open
Abstract
T helper 2 (Th2) cytokine production by invariant natural killer T (iNKT) cells is involved in the development of asthma, but the regulation of Th2 cytokines in iNKT cells remains unknown. Although it is known that progranulin (PGRN) induces the production of Th2 cytokines in iNKT cells in vivo, the underlying mechanism is not clear. This study aims to investigate the role of PGRN in iNKT cells. The effects of PGRN on the differentiation of iNKT cells was detected by flow cytometry. Then stimulation of iNKT cells and airway resistance were carried out to evaluate the function of PGRN on iNKT cells. Furthermore, the mechanisms of PGRN in regulating iNKT cells was investigated by RT-PCR, WB, confocal and luciferase reporter assays. The absolute number of iNKT cells decreased in PGRN KO mice despite an increase in the percentage of iNKT cells. Furthermore, analyzing the subsets of iNKT cells, we found that NKT2 cells and their IL-4 production were reduced. Mechanistically, the decrease in NKT2 cells in the PGRN KO mice was caused by increased expression of enhancer of zeste homolog 2 (EZH2), that in turn caused increased degradation and altered nuclear localization of PLZF. Interestingly, PGRN signaling decreased expression of EZH2 and treatment of the PGRN KO mice with the EZH2 specific inhibitor GSK343 rescued the defect in NKT2 differentiation, IL-4 generation, and PLZF expression. Altogether, We have revealed a new pathway (PGRN-EZH2-PLZF), which regulates the Th2 responses of iNKT cells and provides a potentially new target for asthma treatment.
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Affiliation(s)
- Zuochen Du
- Chongqing Key Laboratory of Child Infection and Immunity, Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorder, Children's Hospital of Chongqing Medical University, Chongqing, China
- International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China
- The Second Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou Province, China
| | - Lu Huang
- Chongqing Key Laboratory of Child Infection and Immunity, Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorder, Children's Hospital of Chongqing Medical University, Chongqing, China
- International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Xin Dai
- Department of Pathogen Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Di Yang
- Chongqing Key Laboratory of Child Infection and Immunity, Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorder, Children's Hospital of Chongqing Medical University, Chongqing, China
- International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Linlin Niu
- Chongqing Key Laboratory of Child Infection and Immunity, Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorder, Children's Hospital of Chongqing Medical University, Chongqing, China
- International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Heather Miller
- The Laboratory of Intracellular Parasites, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Changshun Ruan
- Chongqing Key Laboratory of Child Infection and Immunity, Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorder, Children's Hospital of Chongqing Medical University, Chongqing, China
- International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Han Li
- Chongqing Key Laboratory of Child Infection and Immunity, Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorder, Children's Hospital of Chongqing Medical University, Chongqing, China
- International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Leling Hu
- Chongqing Key Laboratory of Child Infection and Immunity, Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorder, Children's Hospital of Chongqing Medical University, Chongqing, China
- International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Lijia Zhou
- Chongqing Key Laboratory of Child Infection and Immunity, Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorder, Children's Hospital of Chongqing Medical University, Chongqing, China
- International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Ding Jian
- Chongqing Key Laboratory of Child Infection and Immunity, Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorder, Children's Hospital of Chongqing Medical University, Chongqing, China
- International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Jian Sun
- The Second Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou Province, China
| | - Xiaoqi Shi
- The Second Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou Province, China
| | - Pei Huang
- The Second Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou Province, China
| | - Yan Chen
- The Second Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou Province, China
| | - Xiaodong Zhao
- Chongqing Key Laboratory of Child Infection and Immunity, Children's Hospital of Chongqing Medical University, Chongqing, China.
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, Chongqing, China.
- Ministry of Education Key Laboratory of Child Development and Disorder, Children's Hospital of Chongqing Medical University, Chongqing, China.
- International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China.
| | - Chaohong Liu
- Chongqing Key Laboratory of Child Infection and Immunity, Children's Hospital of Chongqing Medical University, Chongqing, China.
- Department of Pediatric Research Institute, Children's Hospital of Chongqing Medical University, Chongqing, China.
- Ministry of Education Key Laboratory of Child Development and Disorder, Children's Hospital of Chongqing Medical University, Chongqing, China.
- International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China.
- Department of Pathogen Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Pan Y, Yang Y, Fan M, Chen C, Jiang R, Liang L, Xian M, Kuang B, Geng N, Feng N, Deng L, Zheng W, Zhang F, Li X, Guo F. Progranulin regulation of autophagy contributes to its chondroprotective effect in osteoarthritis. Genes Dis 2022. [DOI: 10.1016/j.gendis.2022.05.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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8
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Katyal P, Hettinghouse A, Meleties M, Hasan S, Chen C, Cui M, Sun G, Menon R, Lin B, Regatte R, Montclare JK, Liu CJ. Injectable recombinant block polymer gel for sustained delivery of therapeutic protein in post traumatic osteoarthritis. Biomaterials 2022; 281:121370. [PMID: 35032910 PMCID: PMC9055922 DOI: 10.1016/j.biomaterials.2022.121370] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 12/06/2021] [Accepted: 01/07/2022] [Indexed: 02/07/2023]
Abstract
Protein-based biomaterials offer several advantages over synthetic materials, owing to their unique stimuli-responsive properties, biocompatibility and modular nature. Here, we demonstrate that E5C, a recombinant protein block polymer, consisting of five repeats of elastin like polypeptide (E) and a coiled-coil domain of cartilage oligomeric matrix protein (C), is capable of forming a porous networked gel at physiological temperature, making it an excellent candidate for injectable biomaterials. Combination of E5C with Atsttrin, a chondroprotective engineered derivative of anti-inflammatory growth factor progranulin, provides a unique biochemical and biomechanical environment to protect against post-traumatic osteoarthritis (PTOA) onset and progression. E5C gel was demonstrated to provide prolonged release of Atsttrin and inhibit chondrocyte catabolism while facilitating anabolic signaling in vitro. We also provide in vivo evidence that prophylactic and therapeutic application of Atsttrin-loaded E5C gels protected against PTOA onset and progression in a rabbit anterior cruciate ligament transection model. Collectively, we have developed a unique protein-based gel capable of minimally invasive, sustained delivery of prospective therapeutics, particularly the progranulin-derivative Atsttrin, for therapeutic application in OA.
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Affiliation(s)
- Priya Katyal
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, NY 11201, United States
| | - Aubryanna Hettinghouse
- Department of Orthopedic Surgery, New York University Grossman School of Medicine, New York, NY 10003, United States
| | - Michael Meleties
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, NY 11201, United States
| | - Sadaf Hasan
- Department of Orthopedic Surgery, New York University Grossman School of Medicine, New York, NY 10003, United States
| | - Changhong Chen
- Department of Orthopedic Surgery, New York University Grossman School of Medicine, New York, NY 10003, United States
| | - Min Cui
- Department of Orthopedic Surgery, New York University Grossman School of Medicine, New York, NY 10003, United States
| | - Guodong Sun
- Department of Orthopedic Surgery, New York University Grossman School of Medicine, New York, NY 10003, United States
| | - Rajiv Menon
- Bernard and Irene Schwartz Center for Biomedical Imaging, New York University School of Medicine, New York, NY 10016, United States
| | - Bonnie Lin
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, NY 11201, United States
| | - Ravinder Regatte
- Bernard and Irene Schwartz Center for Biomedical Imaging, New York University School of Medicine, New York, NY 10016, United States
| | - Jin Kim Montclare
- Department of Chemical and Biomolecular Engineering, New York University Tandon School of Engineering, Brooklyn, NY 11201, United States; Department of Chemistry, New York University, New York 10003, United States; Department of Radiology, New York University Grossman School of Medicine, New York 10016, United States; Department of Biomaterials, NYU College of Dentistry, New York, NY, 10010, United States.
| | - Chuan-Ju Liu
- Department of Orthopedic Surgery, New York University Grossman School of Medicine, New York, NY 10003, United States; Department of Cell Biology, New York University Grossman School of Medicine, New York, NY, 10016, United States.
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9
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Zhao X, Hasan S, Liou B, Lin Y, Sun Y, Liu C. Analysis of the Biomarkers for Neurodegenerative Diseases in Aged Progranulin Deficient Mice. Int J Mol Sci 2022; 23:629. [PMID: 35054815 PMCID: PMC8775568 DOI: 10.3390/ijms23020629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/23/2021] [Accepted: 01/03/2022] [Indexed: 11/28/2022] Open
Abstract
Neurodegenerative diseases are debilitating impairments that affect millions of people worldwide and are characterized by progressive degeneration of structure and function of the central or peripheral nervous system. Effective biomarkers for neurodegenerative diseases can be used to improve the diagnostic workup in the clinic as well as facilitate the development of effective disease-modifying therapies. Progranulin (PGRN) has been reported to be involved in various neurodegenerative disorders. Hence, in the current study we systematically compared the inflammation and accumulation of typical neurodegenerative disease markers in the brain tissue between PGRN knockout (PGRN KO) and wildtype (WT) mice. We found that PGRN deficiency led to significant neuron loss as well as activation of microglia and astrocytes in aged mice. Several characteristic neurodegenerative markers, including α-synuclein, TAR DNA-binding protein 43 (TDP-43), Tau, and β-amyloid, were all accumulated in the brain of PGRN-deficient mice as compared to WT mice. Moreover, higher aggregation of lipofuscin was observed in the brain tissue of PGRN-deficient mice compared with WT mice. In addition, the autophagy was also defective in the brain of PGRN-deficient mice, indicated by the abnormal expression level of autophagy marker LC3-II. Collectively, comprehensive assays support the idea that PGRN plays an important role during the development of neurodegenerative disease, indicating that PGRN might be a useful biomarker for neurodegenerative diseases in clinical settings.
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Affiliation(s)
- Xiangli Zhao
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY 10003, USA; (X.Z.); (S.H.)
| | - Sadaf Hasan
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY 10003, USA; (X.Z.); (S.H.)
| | - Benjamin Liou
- The Division of Human Genetics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA; (B.L.); (Y.L.); (Y.S.)
| | - Yi Lin
- The Division of Human Genetics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA; (B.L.); (Y.L.); (Y.S.)
| | - Ying Sun
- The Division of Human Genetics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA; (B.L.); (Y.L.); (Y.S.)
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - Chuanju Liu
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY 10003, USA; (X.Z.); (S.H.)
- Department of Cell Biology, New York University School of Medicine, New York, NY 10016, USA
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10
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Murakoshi M, Gohda T, Sakuma H, Shibata T, Adachi E, Kishida C, Ichikawa S, Koshida T, Kamei N, Suzuki Y. Progranulin and Its Receptor Predict Kidney Function Decline in Patients With Type 2 Diabetes. Front Endocrinol (Lausanne) 2022; 13:849457. [PMID: 35432201 PMCID: PMC9012489 DOI: 10.3389/fendo.2022.849457] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 03/07/2022] [Indexed: 12/15/2022] Open
Abstract
Progranulin (PGRN), a growth factor, is abundantly expressed in a broad range of tissues and cell types with pleiotropic functions including inflammation, neurodegeneration, and facilitating lysosome acidification. PGRN binds to TNF receptors (TNFR) and inhibits downstream inflammatory signaling pathways. TNFR is a well-known predictor of glomerular filtration rate (GFR) decline in a variety of diseases. Therefore, we measured circulating PGRN in addition to TNFR using an enzyme-linked immunosorbent assay and explored whether it predicted renal prognosis in 201 Japanese patients with type 2 diabetes. During a median follow-up of 7.6 years, 21 participants reached primary renal endpoint, which involves a decline of at least 57% in eGFR from baseline, or the onset of end-stage renal disease. Univariate Cox regression analysis revealed that classical renal measures (GFR and albuminuria), two TNF-related biomarkers (PGRN and TNFR), and BMI were associated with this outcome. Multivariate analysis demonstrated that high levels of PGRN [HR 2.50 (95%CI 2.47-2.52)] or TNFR1 [HR 5.38 (95%CI 5.26-5.50)] were associated with this outcome after adjusting for relevant covariates. The high levels of PGRN as well as TNFR1 were associated with a risk of primary renal outcome in patients with type 2 diabetes after adjusting for established risk factors.
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Affiliation(s)
- Maki Murakoshi
- Department of Nephrology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Tomohito Gohda
- Department of Nephrology, Faculty of Medicine, Juntendo University, Tokyo, Japan
- *Correspondence: Tomohito Gohda,
| | - Hiroko Sakuma
- Department of Nephrology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Terumi Shibata
- Department of Nephrology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Eri Adachi
- Department of Nephrology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Chiaki Kishida
- Department of Nephrology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Saki Ichikawa
- Department of Nephrology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Takeo Koshida
- Department of Nephrology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Nozomu Kamei
- Department of Endocrinology and Metabolism, Hiroshima Red Cross Hospital and Atomic-Bomb Survivors Hospital, Hiroshima, Japan
| | - Yusuke Suzuki
- Department of Nephrology, Faculty of Medicine, Juntendo University, Tokyo, Japan
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11
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A new immunometabolic perspective of intervertebral disc degeneration. Nat Rev Rheumatol 2022; 18:47-60. [PMID: 34845360 DOI: 10.1038/s41584-021-00713-z] [Citation(s) in RCA: 146] [Impact Index Per Article: 73.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/20/2021] [Indexed: 12/12/2022]
Abstract
Intervertebral disc (IVD) degeneration is a common finding on spine imaging that increases in prevalence with age. IVD degeneration is a frequent cause of low back pain, which is a leading cause of disability. The process of IVD degeneration consists of gradual structural change accompanied by severe alterations in metabolic homeostasis. IVD degeneration, like osteoarthritis, is a common comorbidity in patients with obesity and type 2 diabetes mellitus, two metabolic syndrome pathological conditions in which adipokines are important promoters of low-grade inflammation, extracellular matrix degradation and fibrosis. Impairment in white adipose tissue function, due to the abnormal fat accumulation in obesity, is characterized by increased production of specific pro-inflammatory proteins such as adipokines by white adipose tissue and of cytokines such as TNF by immune cells of the stromal compartment. Investigations into the immunometabolic alterations in obesity and type 2 diabetes mellitus and their interconnections with IVD degeneration provide insights into how adipokines might affect the pathogenesis of IVD degeneration and impair IVD function and repair. Toll-like receptor-mediated signalling has also been implicated as a promoter of the inflammatory response in the metabolic alterations associated with IVD and is thus thought to have a role in IVD degeneration. Pathological starvation, obesity and adipokine dysregulation can result in immunometabolic alterations, which could be targeted for the development of new therapeutics.
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12
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Zhi L, Zhao J, Zhao H, Qing Z, Liu H, Ma J. Downregulation of LncRNA OIP5-AS1 Induced by IL-1β Aggravates Osteoarthritis via Regulating miR-29b-3p/PGRN. Cartilage 2021; 13:1345S-1355S. [PMID: 32037864 PMCID: PMC8804817 DOI: 10.1177/1947603519900801] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Long noncoding RNA (lncRNA) OIP5 antisense RNA 1 (OIP5-AS1) is an oncogenic lncRNA; however, its role in osteoarthritis (OA) pathology still remains unknown. MATERIALS AND METHODS qRT-PCR was performed to measure the expressions of OIP5-AS1, miR-29b-3p and progranulin (PGRN) mRNA in OA cartilage tissues and normal cartilage tissues. Chondrocyte cell lines, CHON-001 and ATDC5, were treated with different doses of interleukin-1β (IL-1β) to induce the inflammatory response. Overexpression plasmids, microRNA mimics, microRNA inhibitors and small interfering RNAs were constructed and transfected into CHON-001 and ATDC5 cells. CCK-8 assay was used for determining the cell viability and Transwell assay was used for monitoring cell migration. Western blot was applied to measure the expressions of apoptosis-related proteins. Enzyme-linked immunosorbent assay (ELISA) was adopted to measure the contents of inflammatory factors. StarBase and TargetScan were used to predict the binding sites between OIP5-AS1 and miR-29b-3p, miR-29b-3p and 3'-UTR of PGRN respectively, which were verified by dual luciferase reporter assay. RESULTS OIP5-AS1 and PGRN mRNA were downregulated while miR-29b-3p was upregulated in OA tissues and models. The up-regulated OIP5-AS1 facilitated the proliferation and migration of CHON-001 and ATDC5 cells, while ameliorated the apoptosis and inflammatory response. However, miR-29b-3p had opposite effects. PGRN was identified as a target gene of miR-29b-3p, which could be indirectly suppressed by OIP5-AS1 knockdown. CONCLUSION Downregulation of OIP5-AS1 induced by IL-1β could inhibit the proliferation and migration abilities of CHON-001 and ATDC5 cells and facilitate the apoptosis and inflammation response via regulating miR-29b-3p/PGRN axis.
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Affiliation(s)
- Liqiang Zhi
- Department of Joint Surgery, Honghui
Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Jianwu Zhao
- Department of Microsurgery, Yulin First
Hospital, Second Affiliated Hospital of Yan-an University, Yulin, Shaanxi,
China
| | - Hongmou Zhao
- Department of Foot and Ankle Surgery,
Honghui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Zhong Qing
- Department of Joint Surgery, Honghui
Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Hongliang Liu
- Department of Trauma Surgery, Honghui
Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Jianbing Ma
- Department of Joint Surgery, Honghui
Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China,Jianbing Ma, Department of Joint Surgery,
Honghui Hospital, Xi’an Jiaotong University, Youyi East Road No. 555, Xi’an,
Shaanxi 710054, China.
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13
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Binișor I, Baniță IM, Alexandru D, Mehedinți MC, Jurja S, Andrei AM, Pisoschi CG. Progranulin: A proangiogenic factor in visceral adipose tissue in tumoral and non-tumoral visceral pathology. Exp Ther Med 2021; 22:1337. [PMID: 34630691 PMCID: PMC8495564 DOI: 10.3892/etm.2021.10772] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 08/23/2021] [Indexed: 11/10/2022] Open
Abstract
The connection between central obesity and the development and metastasis of various visceral tumors is largely accepted and one of the main causes seems to be the local synthesis of proangiogenic molecules. Progranulin (PRG), recently identified as an adipokine, is a novel pleiotropic growth factor acting on the proliferation and development of fast-growing epithelial cells, cancer cells, and also a proangiogenic factor whose expression is induced in activated endothelial cells. One of the molecules that seems to trigger the angiogenic activity of PRG is vascular endothelial growth factor (VEGF). Two groups of human subjects were considered and adipose tissue was processed for an immunohistochemical and morphometric study after surgery for abdominal tumoral or non-tumoral pathology. The presence of PRG in adipose pads of the omentum was analyzed and its association with VEGF, CD34 and collagen IV in tumoral and non-tumoral visceral pathology was examined. The results showed that PRG but not VEGF expression was upregulated in adipose tissue in tumoral visceral pathology. In conclusion, the involvement of the proangiogenic activity of PRG and VEGF in adipose tissue under tumor conditions may be dependent on the visceral tumor type.
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Affiliation(s)
- Ioana Binișor
- Department of Histology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Ileana Monica Baniță
- Department of Histology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Dragoș Alexandru
- Department of Medical Informatics and Biostatistics, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | | | - Sanda Jurja
- Department of Ophthalmology, ‘Ovidius’ University of Constanta, 900470 Constanta, Romania
| | - Ana-Marina Andrei
- Department of Biochemistry, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
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14
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Shanshan L, Yamei Z, Ling Z, Xin L, Guochun W. Progranulin correlated with rapid progressive interstitial lung disease in dermatomyositis with anti-melanoma differentiation-associated gene 5 antibody. Clin Rheumatol 2021; 41:757-763. [PMID: 34718893 DOI: 10.1007/s10067-021-05816-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 05/28/2021] [Accepted: 06/10/2021] [Indexed: 12/31/2022]
Abstract
OBJECTIVES This study aimed to detect the expression of progranulin (PGRN) and elucidate associations with clinical features in dermatomyositis (DM) patients with anti-melanoma differentiation-associated gene 5 (anti-MDA5) antibody. METHODS We enrolled 40 DM patients with anti-MDA5 antibody, 20 patients with antisynthetase syndrome (ASS; disease control), and 20 healthy individuals (healthy control, HC). The clinical features of patients with anti-MDA5 antibody and anti-histidyl-tRNA antibody were collected. The level of PGRN in the serum was tested by ELISA. RESULTS The PGRN levels in DM patients with anti-MDA5 antibody (166.74 ± 97.95 ng/ml) were significantly higher than those in patients with ASS (82.66 ± 40.50 ng/ml; p < 0.001) and in HC (42.34 ± 18.69 ng/ml; p < 0.001). Patients with rapid progressive interstitial lung disease (RP-ILD) in DM with anti-MDA5 antibody (213.57 ± 114.05 ng/ml) had higher levels of PGRN than those without RP-ILD (135.51 ± 72.41 ng/ml; p = 0.012). ROC analysis showed an AUC value at 0.715 (95% CI, 0.541-0.888) for diagnosis of RP-ILD in DM patients with anti-MDA5 antibody. The expression of PGRN was positively correlated with the levels of ALT, AST, CK, LDH and ferritin (all p < 0.05). CONCLUSIONS Our results indicated PGRN had great potential as a valuable serum marker of RP-ILD in DM with anti-MDA5 antibody. Key Points The level of PGRN was elevated in DM patients with anti-MDA5 antibody, especially for those with RP-ILD.
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Affiliation(s)
- Li Shanshan
- Department of Rheumatology, China-Japan Friendship Hospital, No.2 Yinghua East st, Chaoyang District, Beijing, China
| | - Zhang Yamei
- Department of Rheumatology, China-Japan Friendship Hospital, No.2 Yinghua East st, Chaoyang District, Beijing, China
| | - Zhang Ling
- Department of Radiology, China-Japan Friendship Hospital, Beijing, China
| | - Lu Xin
- Department of Rheumatology, China-Japan Friendship Hospital, No.2 Yinghua East st, Chaoyang District, Beijing, China
| | - Wang Guochun
- Department of Rheumatology, China-Japan Friendship Hospital, No.2 Yinghua East st, Chaoyang District, Beijing, China.
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15
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Liu K, Wei J, Li G, Liu R, Zhao D, Zhang Y, Shi J, Xie Q, Cheng L. Fexofenadine Protects Against Intervertebral Disc Degeneration Through TNF Signaling. Front Cell Dev Biol 2021; 9:687024. [PMID: 34504840 PMCID: PMC8421647 DOI: 10.3389/fcell.2021.687024] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 06/08/2021] [Indexed: 01/08/2023] Open
Abstract
Objective: Fexofenadine (FFD) is an antihistamine drug with an anti-inflammatory effect. The intervertebral disc (IVD) degeneration process is involved in inflammation in which tumor necrosis factor-α (TNF-α) plays an important role. This study aims to investigate the role of FFD in the pathological process of IVD degeneration. Methods: Safranin O staining was used for the measurement of cartilageous tissue in the disc. Hematoxylin-Eosin (H&E) staining was used to determine the disc construction. A rat needle puncture model was taken advantage of to examine the role of FFD in disc degeneration in vivo. Western Blotting assay, immunochemistry, and immunoflurence staining were used for the determination of inflammatory molecules. ELISA assay was performed to detect the release of inflammatory cytokines. A real-time PCR assay was analyzed to determine the transcriptional expressions of molecules. Results: Elevated TNF-α resulted in inflammatory disc degeneration, while FFD protected against TNF-α-induced IVD degeneration. Mechanism study found FFD exhibited a disc protective effect through at least two pathways. (a) FFD inhibited TNF-α-mediated extracellular matrix (ECM) degradation and (b) FFD rescued TNF-α induced inflammation in disc degeneration. Furthermore, the present study found that FFD suppressed TNF-α mediated disc degeneration via the cPLA2/NF-κB signaling pathway. Conclusions: FFD provided another alternative for treating disc degeneration through a novel mechanism. Additionally, FFD may also be a potential target for the treatment of other inflammatory-related diseases, including IVD degeneration.
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Affiliation(s)
- Kaiwen Liu
- Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,School of Clinical Medicine, Shandong University, Jinan, China
| | - Jianlu Wei
- Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Hebei, China
| | - Guohua Li
- Shanxian Central Hospital, Shandong, China
| | - Ronghan Liu
- Department of Orthopaedic Surgery, Jinan Central Hospital Affiliated to Shandong University, Jinan, China
| | - Dawang Zhao
- Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yuanqiang Zhang
- Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Jie Shi
- Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qing Xie
- Department of Pharmacy, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Lei Cheng
- Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
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16
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Fu W, Hettinghouse A, Liu CJ. In Vitro Physical and Functional Interaction Assays to Examine the Binding of Progranulin Derivative Atsttrin to TNFR2 and Its Anti-TNFα Activity. Methods Mol Biol 2021; 2248:109-119. [PMID: 33185871 DOI: 10.1007/978-1-0716-1130-2_8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
Abstract
TNFα/TNFR signaling plays a critical role in the pathogenesis of various inflammatory and autoimmune diseases, and anti-TNFα therapies have been accepted as the effective approaches for treating several autoimmune diseases. Progranulin (PGRN), a multi-faced growth factor-like molecule, directly binds to TNFR1 and TNFR2, particularly to the latter with higher affinity than TNFα. PGRN derivative Atsttrin is composed of three TNFR-binding domain of PGRN and exhibits even better therapeutic effects than PGRN in several inflammatory disease models, including collagen-induced arthritis. Herein we describe the detailed methodology of using (1) ELISA-based solid phase protein-protein interaction assay to demonstrate the direct binding of Atsttrin to TNFR2 and its inhibition of TNFα/TNFR2 interaction; and (2) tartrate-resistant acid phosphatase (TRAP) staining of in vitro osteoclastogenesis to reveal the cell-based anti-TNFα activity of Atsttrin. Using the protocol described here, the investigators should be able to reproducibly detect the physical inhibition of TNFα binding to TNFR and the functional inhibition of TNFα activity by Atsttrin and various kinds of TNF inhibitors.
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Affiliation(s)
- Wenyu Fu
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY, USA
| | - Aubryanna Hettinghouse
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY, USA
| | - Chuan-Ju Liu
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY, USA.
- Department of Cell Biology, New York University School of Medicine, New York, NY, USA.
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17
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Ding Y, Wei J, Hettinghouse A, Li G, Li X, Einhorn TA, Liu CJ. Progranulin promotes bone fracture healing via TNFR pathways in mice with type 2 diabetes mellitus. Ann N Y Acad Sci 2021; 1490:77-89. [PMID: 33543485 DOI: 10.1111/nyas.14568] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 01/08/2021] [Accepted: 01/15/2021] [Indexed: 12/12/2022]
Abstract
Type 2 diabetes mellitus (T2DM) significantly increases bone fragility and fracture risk. Progranulin (PGRN) promotes bone fracture healing in both physiological and type 1 diabetic conditions. The present study aimed to investigate the role of PGRN in T2DM bone fracture healing. MKR mice (with an FVB/N genetic background) were used as the T2DM model. Drill-hole and Bonnarens and Einhorn models were used to investigate the role of PGRN in T2DM fracture healing in vivo. Primary bone marrow cells were isolated for molecular and signaling studies, and reverse transcription-polymerase chain reaction, immunohistochemical staining, and western blotting were performed to assess PGRN effects in vitro. PGRN mRNA and protein expression were upregulated in the T2DM model. Local administration of recombinant PGRN effectively promoted T2DM bone fracture healing in vivo. Additionally, PGRN could induce anabolic metabolism during endochondral ossification through the TNFR2-Akt and Erk1/2 pathways. Furthermore, PGRN showed anti-inflammatory activity in the T2DM bone regeneration process. These findings suggest that local administration of exogenous PGRN may be an alternative strategy to support bone regeneration in patients with T2DM. Additionally, PGRN might hold therapeutic potential for other TNFR-related metabolic disorders.
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Affiliation(s)
- Yuanjing Ding
- Department of Orthopaedic Surgery, New York University Medical Center, New York, New York.,Department of Orthopaedic Surgery, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Jianlu Wei
- Department of Orthopaedic Surgery, New York University Medical Center, New York, New York.,Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Aubryanna Hettinghouse
- Department of Orthopaedic Surgery, New York University Medical Center, New York, New York
| | - Guangfei Li
- Department of Orthopaedic Surgery, New York University Medical Center, New York, New York
| | - Xin Li
- College of Dentistry, New York University, New York, New York
| | - Thomas A Einhorn
- Department of Orthopaedic Surgery, New York University Medical Center, New York, New York
| | - Chuan-Ju Liu
- Department of Orthopaedic Surgery, New York University Medical Center, New York, New York.,Department of Cell Biology, New York University School of Medicine, New York, New York
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18
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Yabe K, Yamamoto Y, Takemura M, Hara T, Tsurumi H, Serrero G, Nabeshima T, Saito K. Progranulin depletion inhibits proliferation via the transforming growth factor beta/SMAD family member 2 signaling axis in Kasumi-1 cells. Heliyon 2021; 7:e05849. [PMID: 33490663 PMCID: PMC7809376 DOI: 10.1016/j.heliyon.2020.e05849] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 11/27/2020] [Accepted: 12/22/2020] [Indexed: 11/30/2022] Open
Abstract
Progranulin is an autocrine growth factor that promotes proliferation, migration, invasion, and chemoresistance of various cancer cells. These mechanisms mainly depend on the protein kinase B (Akt)/mechanistic target of rapamycin (mTOR) pathway. Recent studies have shown that patients with hematopoietic cancer have elevated serum progranulin levels. Thus, the current study aimed to investigate the role of progranulin in hematopoietic cancer cells and how it modulates their proliferation. Both knockdown of progranulin and progranulin neutralizing antibody treatment inhibited proliferation in several human hematopoietic cancer cell lines. Moreover, progranulin depletion not only decreases the phosphorylation level of the Akt/mTOR pathway but also, surprisingly, increases the expression of transforming growth factor-beta (TGF-β) and phosphorylation of mothers against decapentaplegic homolog 2 (SMAD2) in Kasumi-1 cell. Furthermore, LY2109761, an inhibitor of TGF-β receptor type I/II kinase, and TGF-β neutralizing antibody blocked the inhibition of proliferation induced by progranulin depletion. These data provide new insights that progranulin alters cell proliferation via the TGF-β axis and progranulin could be a new therapeutic target for hematopoietic cancers.
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Affiliation(s)
- Kuniaki Yabe
- Department of Disease Control and Prevention, Fujita Health University Graduate School of Health Sciences, Aichi, Japan.,A&T corporation, Kanagawa, Japan
| | - Yasuko Yamamoto
- Department of Disease Control and Prevention, Fujita Health University Graduate School of Health Sciences, Aichi, Japan
| | - Masao Takemura
- Advanced Diagnostic System Research Laboratory, Fujita Health University, Graduate School of Health Sciences, Aichi, Japan
| | - Takeshi Hara
- Department of Hematology, Matsunami General Hospital, Gifu, Japan
| | - Hisashi Tsurumi
- Department of Hematology, Matsunami General Hospital, Gifu, Japan
| | - Ginette Serrero
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA.,A&G Pharmaceutical, Inc., Columbia, MD, USA
| | - Toshitaka Nabeshima
- Advanced Diagnostic System Research Laboratory, Fujita Health University, Graduate School of Health Sciences, Aichi, Japan.,Japanese Drug Organization of Appropriate Use and Research, Nagoya, 468-0069, Japan
| | - Kuniaki Saito
- Department of Disease Control and Prevention, Fujita Health University Graduate School of Health Sciences, Aichi, Japan.,Advanced Diagnostic System Research Laboratory, Fujita Health University, Graduate School of Health Sciences, Aichi, Japan.,Japanese Drug Organization of Appropriate Use and Research, Nagoya, 468-0069, Japan.,Human Health Sciences, Graduate School of Medicine and Faculty of Medicine, Kyoto University, Kyoto, Japan
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19
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Adipokines and Autoimmunity in Inflammatory Arthritis. Cells 2021; 10:cells10020216. [PMID: 33499006 PMCID: PMC7910954 DOI: 10.3390/cells10020216] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/13/2021] [Accepted: 01/19/2021] [Indexed: 12/14/2022] Open
Abstract
Adipokines are adipose tissue-derived factors not only playing an important role in metabolism but also influencing other central processes of the body, such as inflammation. In autoimmune diseases, adipokines are involved in inflammatory pathways affecting different cell types. Many rheumatic diseases belong to the group of autoimmune diseases, for example rheumatoid arthritis (RA) and psoriatic arthritis. Due to the autoimmune responses, a chronic inflammatory milieu develops, which affects the whole body, including adipose tissue. Metabolic alterations such as obesity influence inflammatory responses in autoimmune diseases. Adipokines are bioactive mediators mainly produced by adipose tissue. Due to alterations of systemic adipokine levels, their role as biomarkers with diagnostic potential has been suggested in the context of rheumatic diseases. In the affected joints of RA patients, different synoviocytes but also osteoclasts, osteoblasts, and chondrocytes produce several adipokines, contributing to the unique inflammatory microenvironment. Adipokines have been shown to be potent modulatory effectors on different cell types of the immune system but also local cells in synovial tissue, cartilage, and bone. This review highlights the most recent findings on the role of adipokines in the pathophysiology of inflammatory arthritis with a distinct focus on RA in the quickly developing research field.
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20
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Wei J, Wang K, Hettinghouse A, Liu C. Atsttrin Promotes Cartilage Repair Primarily Through TNFR2-Akt Pathway. Front Cell Dev Biol 2020; 8:577572. [PMID: 33195216 PMCID: PMC7658268 DOI: 10.3389/fcell.2020.577572] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 10/12/2020] [Indexed: 01/16/2023] Open
Abstract
Background Cartilage defects account for substantial economic and humanistic burdens and pose a significant clinical problem. The efficacy of clinical approaches to cartilage repair is often inadequate, in part, owing to the restricted proliferative capacity of chondrocytes. Molecules have the capacity to promote the differentiation of multipotent mesenchymal stem cells into chondrocytes and may also gain the ability to repair the damaged cartilage. Objective This study aimed to investigate the role of Atsttrin (progranulin-derived engineered protein) in cartilage repair as well as the signaling pathway involved. Methods Primary and mesenchymal stem cell lines were used for the micromass culture. A murine cartilage defect model was used to determine the role of Atsttrin in cartilage repair in vivo. Real-time polymerase chain reaction and Western blot analysis were used to monitor the effect of Atsttrin on the transcriptional and protein levels, respectively, of key anabolic and catabolic signaling molecules. Results Atsttrin stimulated chondrogenesis in vitro and accelerated cartilage repair in vivo. In addition, Atsttrin-mediated cartilage repair occurred primarily through tumor necrosis factor receptor 2-initiated Akt signaling and downstream JunB transcription factor. Conclusion Atsttrin might serve as a promising therapeutic modality for cartilage regeneration.
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Affiliation(s)
- Jianlu Wei
- Department of Orthopaedic Surgery, Qilu Hospital of Shandong University, Jinan, China.,Department of Orthopaedic Surgery, New York University Langone Medical Center, New York, NY, United States
| | - Kaidi Wang
- Department of Orthopaedic Surgery, Qilu Hospital of Shandong University, Jinan, China
| | | | - Chuanju Liu
- Department of Orthopaedic Surgery, Qilu Hospital of Shandong University, Jinan, China.,Department of Cell Biology, New York University Grossman School of Medicine, New York, NY, United States
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21
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Recinella L, Orlando G, Ferrante C, Chiavaroli A, Brunetti L, Leone S. Adipokines: New Potential Therapeutic Target for Obesity and Metabolic, Rheumatic, and Cardiovascular Diseases. Front Physiol 2020; 11:578966. [PMID: 33192583 PMCID: PMC7662468 DOI: 10.3389/fphys.2020.578966] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 10/14/2020] [Indexed: 12/11/2022] Open
Abstract
Besides its role as an energy storage organ, adipose tissue can be viewed as a dynamic and complex endocrine organ, which produces and secretes several adipokines, including hormones, cytokines, extracellular matrix (ECM) proteins, and growth and vasoactive factors. A wide body of evidence showed that adipokines play a critical role in various biological and physiological functions, among which feeding modulation, inflammatory and immune function, glucose and lipid metabolism, and blood pressure control. The aim of this review is to summarize the effects of several adipokines, including leptin, diponectin, resistin, chemerin, lipocalin-2 (LCN2), vaspin, omentin, follistatin-like 1 (FSTL1), secreted protein acidic and rich in cysteine (SPARC), secreted frizzled-related protein 5 (SFRP5), C1q/TNF-related proteins (CTRPs), family with sequence similarity to 19 member A5 (FAM19A5), wingless-type inducible signaling pathway protein-1 (WISP1), progranulin (PGRN), nesfatin-1 (nesfatin), visfatin/PBEF/NAMPT, apelin, retinol binding protein 4 (RPB4), and plasminogen activator inhibitor-1 (PAI-1) in the regulation of insulin resistance and vascular function, as well as many aspects of inflammation and immunity and their potential role in managing obesity-associated diseases, including metabolic, osteoarticular, and cardiovascular diseases.
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Affiliation(s)
| | | | | | | | - Luigi Brunetti
- Department of Pharmacy, Gabriele d’Annunzio University, Chieti, Italy
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22
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Liu L, Guo H, Song A, Huang J, Zhang Y, Jin S, Li S, Zhang L, Yang C, Yang P. Progranulin inhibits LPS-induced macrophage M1 polarization via NF-кB and MAPK pathways. BMC Immunol 2020; 21:32. [PMID: 32503416 PMCID: PMC7275413 DOI: 10.1186/s12865-020-00355-y] [Citation(s) in RCA: 127] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Accepted: 04/20/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Macrophage M1 polarization plays a pivotal role in inflammatory diseases. Progranulin (PGRN) has potential anti-inflammation action, however, the effect of PGRN on macrophage M1 polarization has been poorly studied. Our study aimed to investigate the effect of PGRN on lipopolysaccharide (LPS)-induced macrophage M1 polarization and clarify the underlying mechanisms. METHODS RAW264.7 cells were polarized to M1 macrophage by LPS with or without recombinant PGRN (rPGRN) and tumor necrosis factor alpha antibody (anti-TNF-α). A cell counting kit-8 assay (CCK-8), flow cytometry, Quantitative Real-Time PCR assay (q-PCR), Western blot assay and enzyme-linked immunosorbent assay (ELISA) were used to determine the effect of different treatments on cell proliferation, expression of surface phenotype marker and expressions and secretion of inflammatory cytokines. The activation of NF-κB/mitogen-activated protein kinase (MAPK) pathways and the nuclear translocation of NF-κB p65 were detected by Western blot and immunofluorescence respectively. THP-1 and primary bone marrow-derived monocytes (BMDMs) were also used to demonstrate effect of PGRN on expressions and secretion of inflammatory cytokines induced by LPS. RESULTS In RAW264.7 cells, rPGRN at concentrations below 80 ng/ml significantly promoted cell proliferation in dose dependent fashion. rPGRN significantly inhibited LPS-induced change of phenotype (CD86/CD206 ratio) and function (tumor necrosis factor (TNF-α) and inducible nitric oxide synthase (iNOS) expressions). LPS-stimulated secretion of TNF-α and activated phosphorylation of IKKα/β, IкBα, p65, JNK and p38 and the nucleus translocation of NF-кB p65 were also significantly downregulated by rPGRN. In addition, recombinant TNF-α (rTNF-α) significantly boosted TNF-α and iNOS expression vs the control group. Moreover, anti-TNF-α significantly inhibited LPS-induced TNF-α and iNOS expression. In THP-1 and BMDM cells, reversing effect of rPGRN on LPS-enhanced expressions of TNF-α and iNOS and secretion of TNF-α was further demonstrated. CONCLUSIONS PGRN down-regulates LPS-induced macrophage M1 polarization in phenotype and function via NF-κB/MAPK signaling pathways.
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Affiliation(s)
- Lianlian Liu
- Department of Periodontology, School of Stomatology, Shandong University, 44 West Wenhua Road, Jinan, 250012, Shandong, People's Republic of China.,Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - Hongmei Guo
- Department of Periodontology, School of Stomatology, Shandong University, 44 West Wenhua Road, Jinan, 250012, Shandong, People's Republic of China
| | - Aimei Song
- Department of Periodontology, School of Stomatology, Shandong University, 44 West Wenhua Road, Jinan, 250012, Shandong, People's Republic of China.,Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - Jiahui Huang
- Department of Periodontology, School of Stomatology, Shandong University, 44 West Wenhua Road, Jinan, 250012, Shandong, People's Republic of China
| | - Yu Zhang
- Department of Periodontology, School of Stomatology, Shandong University, 44 West Wenhua Road, Jinan, 250012, Shandong, People's Republic of China
| | - Shanshan Jin
- Department of Periodontology, School of Stomatology, Shandong University, 44 West Wenhua Road, Jinan, 250012, Shandong, People's Republic of China
| | - Shutong Li
- Department of Periodontology, School of Stomatology, Shandong University, 44 West Wenhua Road, Jinan, 250012, Shandong, People's Republic of China
| | - Liguo Zhang
- Department of Periodontology, School of Stomatology, Shandong University, 44 West Wenhua Road, Jinan, 250012, Shandong, People's Republic of China
| | - Chengzhe Yang
- Department of Oral and Maxillofacial Surgery, Qilu Hospital and Institute of Stomatology, Shandong University, Jinan, 250012, Shandong, People's Republic of China.
| | - Pishan Yang
- Department of Periodontology, School of Stomatology, Shandong University, 44 West Wenhua Road, Jinan, 250012, Shandong, People's Republic of China. .,Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China. .,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China.
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23
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Gong C, Zhao G, Xiang G, Liu K, Zhang H. [Research progress on the role of adipokines in intervertebral disc degeneration]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2020; 34:399-403. [PMID: 32174090 DOI: 10.7507/1002-1892.201906004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective To review the research progress of the role and mechanism of adipokines in intervertebral disc degeneration (IVDD) in recent years. Methods The domestic and foreign literature related to adipokines in the process of IVDD was extensively reviewed. The types and functions of adipokines, the role and mechanism in the process of IVDD, and the application prospects of intervertebral disc biotherapy were reviewed. Results As a kind of bioactive substance secreted by adipose tissue, adipokine plays an important role in bone and joint diseases, metabolic diseases, and breast cancer. During IVDD, most adipokines can activate multiple signaling pathways by binding to autoreceptors, cause the proliferation and apoptosis of cells and proinflammatory and anti-inflammatory factors parasecretions in the intervertebral disc, and lead to imbalance of intradiscal metabolism and establishment of the initial inflammatory environment, and finally cause the IVDD. Conclusion Adipokines, as a biologically active substance with metabolic and immunomodulatory functions, play important roles in the occurrence, development, and biological treatment of IVDD.
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Affiliation(s)
- Chaoyang Gong
- Department of Orthopedics, Lanzhou University Second Hospital, Gansu Key Laboratory of Bone and Joint Diseases, Lanzhou Gansu, 730000, P.R.China
| | - Guanghai Zhao
- Department of Orthopedics, Lanzhou University Second Hospital, Gansu Key Laboratory of Bone and Joint Diseases, Lanzhou Gansu, 730000, P.R.China
| | - Gao Xiang
- Department of Orthopedics, Lanzhou University Second Hospital, Gansu Key Laboratory of Bone and Joint Diseases, Lanzhou Gansu, 730000, P.R.China
| | - Kaixin Liu
- Department of Orthopedics, Lanzhou University Second Hospital, Gansu Key Laboratory of Bone and Joint Diseases, Lanzhou Gansu, 730000, P.R.China
| | - Haihong Zhang
- Department of Orthopedics, Lanzhou University Second Hospital, Gansu Key Laboratory of Bone and Joint Diseases, Lanzhou Gansu, 730000, P.R.China
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24
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Tian G, Jin X, Wang Q, Ye T, Li G, Liu J. Recent advances in the study of progranulin and its role in sepsis. Int Immunopharmacol 2019; 79:106090. [PMID: 31869774 DOI: 10.1016/j.intimp.2019.106090] [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: 08/09/2019] [Revised: 11/25/2019] [Accepted: 11/28/2019] [Indexed: 12/29/2022]
Abstract
Sepsis is defined as life-threatening organ dysfunction caused by a dysregulated host response to infection. The mortality rate of in-hospital patients whose conditions are complicated by sepsis remains high in spite of intensive-care treatment, therefore placing a significant financial burden on the health care system. In recent years, progranulin (PGRN), a cysteine-rich secretory protein (CRISP), has been found to play a crucial role in sepsis. PGRN participates in the pathogenesis of sepsis via diverse pathways, including bacterial clearance, cell growth and survival, tissue repair, and the regulation of inflammation. PGRN knockout mice suffer from serious infectious processes, whereas therapeutic administration of recombinant PGRN to such mice enhances bacterial clearance and reduces organ injury and mortality rate. Even though PGRN plays an important role in regulating sepsis, its potential mechanisms have not been completely clarified. In this review, we summarize the most recent research advances in the study of PGRN and its role in sepsis.
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Affiliation(s)
- Gang Tian
- Department of Laboratory Medicine, Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Xinrui Jin
- Department of Laboratory Medicine, Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Qin Wang
- Sichuan Provincial Center for Gynaecology and Breast Diseases (Affiliated Hospital of Southwest Medical University), Luzhou, Sichuan 646000, China
| | - Ting Ye
- Department of Laboratory Medicine, Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Guangrong Li
- Department of Laboratory Medicine, Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Jinbo Liu
- Department of Laboratory Medicine, Affiliated Hospital of Southwest Medical University, Luzhou 646000, China.
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25
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Wei JL, Zhu YB, Zhao DW, Chen W, Wang J, Wang H, Lv JL, Zhang T, Cheng L, Zhang YZ. Dynamic Change of Lumbar Structure and Associated Factors: A Retrospective Study. Orthop Surg 2019; 11:1072-1081. [PMID: 31679187 PMCID: PMC6904611 DOI: 10.1111/os.12557] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 09/07/2019] [Accepted: 09/18/2019] [Indexed: 12/18/2022] Open
Abstract
Objective To determine whether lumbar anatomy parameters are in dynamic change and related factors. Methods This is a retrospective study. Participants who did lumbar computed tomography (CT) scanning in Shandong University Qilu Hospital from October 2017 to March 2019 were selected. The 476 participants were randomly selected as male or female, with the age ranging from 17 to 87 years (mean, 55.19; standard deviation, 14.28 years). All the measurements were taken based on the CT scanning image and the measurement of lumbar morphology was conducted using picture archiving and communication systems (PACS). The angle between the horizontal alignment and pedicle center on median sagittal view, the angle between upper endplate and lower endplate on median sagittal view as well as transverse section angle (TSA) using Magerl point in the axial view was determined by reconstructive CT analysis. Results In the overall participants, the angle between the horizontal alignment and pedicle center on median sagittal view of lumbar one to three was significantly decreased with aging, from 3.90° ± 2.81° to −4.18° ± 6.86° (P = 0.002), 5.60° ± 2.89° to −4.14° ± 5.90° (P = 0.030), and 4.75° ± 2.95° to −2.87° ± 4.68° (P < 0.001), respectively. Additionally, the angle between the horizontal alignment and pedicle center on median sagittal view in male participants of lumbar two was dramatically decreased, from 4.83° ± 2.79° to −4.45° ± 5.97° (P = 0.30). And that of lumbar three in female participants was significantly decreased, from 4.56° ± 2.52° to −2.88° ± 5.03° (P = 0.029). Furthermore, of the overall participants, the angle between upper endplate and lower endplate on median sagittal view of lumbar one to four was associated with aging (P < 0.001, P < 0.001, P = 0.015, P < 0.001, respectively). The angle of lumbar one, two and four in male participants and lumbar one to four in female participants were all significantly related to aging (all P < 0.05). Moreover, in the participants overall, the TSA of lumbar one to three was significantly associated with aging (P = 0.015, P = 0.006 and P = 0.007, respectively). In addition, this angle in lumbar one to lumbar four in male participants were all negatively associated with aging (P = 0.017, P = 0.001, P = 0.005 and P = 0.036, respectively). Conclusion Lumbar anatomy parameters are in dynamic change in an age and gender dependent manner. During spine surgery in elderly patients, more attention should be paid to these anatomic changes.
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Affiliation(s)
- Jian-Lu Wei
- Department of Orthopaedic Surgery, Qilu Hospital, Shandong University, Jinan, China.,Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, Shijiazhuang, China
| | - Yan-Bin Zhu
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, Shijiazhuang, China.,Department of Orthopaedic Surgery, the Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Da-Wang Zhao
- Department of Orthopaedic Surgery, Qilu Hospital, Shandong University, Jinan, China
| | - Wei Chen
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, Shijiazhuang, China.,Department of Orthopaedic Surgery, the Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Juan Wang
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, Shijiazhuang, China.,Department of Orthopaedic Surgery, the Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Hong Wang
- Department of Radiology, Qilu Hospital, Shandong University, Jinan, China
| | - Jia-Li Lv
- Department of Epidemiology and Biostatistics, School of Public Health, Jinan, China
| | - Tao Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Jinan, China
| | - Lei Cheng
- Department of Orthopaedic Surgery, Qilu Hospital, Shandong University, Jinan, China
| | - Ying-Ze Zhang
- Key Laboratory of Biomechanics of Hebei Province, Orthopaedic Research Institution of Hebei Province, Shijiazhuang, China.,Department of Orthopaedic Surgery, the Third Hospital of Hebei Medical University, Shijiazhuang, China
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miR-138 activates NF-κB signaling and PGRN to promote rheumatoid arthritis via regulating HDAC4. Biochem Biophys Res Commun 2019; 519:166-171. [PMID: 31492495 DOI: 10.1016/j.bbrc.2019.08.092] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 08/16/2019] [Indexed: 11/23/2022]
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a common immune-related disease worldwide, which is characterized by impaired fibroblast-like synoviocytes (FLS) proliferation and increased release of inflammatory cytokines. Unfortunately, the detailed mechanism by which miR-138-modulated rheumatoid arthritis has not been fully understood. METHODS RT-qPCR was used to examined mRNA level of various genes and western blot was utilized to probe protein level of acetylated H3, p-p62 and IκBα. For cytokines detection, we used ELISA method to measure the extracellular level of these cytokines. Bioinformatic tool and dual-luciferase reporter assay were employed to predict and confirm the downstream target of miR-138. RESULTS miR-138 was upregulated in serum and synovial tissues of RA patients. Moreover, Increased miR-138 was observed in LPS-treated FLS cells. HDAC4 was shown as the direct target of miR-138 and could be negatively regulated by miR-138. miR-138 and HDAC4 were involved in RA-related inflammatory cytokines release of FLS cells. Next, we revealed NF-κB and PGRN were significantly modulated by HDAC4 and miR-138 in an acetylation-dependent manner. More importantly, IκBα depletion and PGRN overexpression had the ability to rescue miR-138 inhibitor-attenuated inflammatory cytokines release of FLS cells. CONCLUSION Here, we reveal miR-138 regulates RA-related inflammatory cytokines in rheumatoid arthritis through HDAC4/PGRN or HDAC4/NF-κB. Our findings uncover a new molecular mechanism implicated in rheumatoid arthritis, which may accelerate development of therapeutical strategy by targeting this mechanism.
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The Adipokine Network in Rheumatic Joint Diseases. Int J Mol Sci 2019; 20:ijms20174091. [PMID: 31443349 PMCID: PMC6747092 DOI: 10.3390/ijms20174091] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/18/2019] [Accepted: 08/19/2019] [Indexed: 02/07/2023] Open
Abstract
Rheumatic diseases encompass a diverse group of chronic disorders that commonly affect musculoskeletal structures. Osteoarthritis (OA) and rheumatoid arthritis (RA) are the two most common, leading to considerable functional limitations and irreversible disability when patients are unsuccessfully treated. Although the specific causes of many rheumatic conditions remain unknown, it is generally accepted that immune mechanisms and/or uncontrolled inflammatory responses are involved in their etiology and symptomatology. In this regard, the bidirectional communication between neuroendocrine and immune system has been demonstrated to provide a homeostatic network that is involved in several pathological conditions. Adipokines represent a wide variety of bioactive, immune and inflammatory mediators mainly released by adipocytes that act as signal molecules in the neuroendocrine-immune interactions. Adipokines can also be synthesized by synoviocytes, osteoclasts, osteoblasts, chondrocytes and inflammatory cells in the joint microenvironment, showing potent modulatory properties on different effector cells in OA and RA pathogenesis. Effects of adiponectin, leptin, resistin and visfatin on local and systemic inflammation are broadly described. However, more recently, other adipokines, such as progranulin, chemerin, lipocalin-2, vaspin, omentin-1 and nesfatin, have been recognized to display immunomodulatory actions in rheumatic diseases. This review highlights the latest relevant findings on the role of the adipokine network in the pathophysiology of OA and RA.
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Wei J, Zhang L, Ding Y, Liu R, Guo Y, Hettinghouse A, Buza J, De La Croix J, Li X, Einhorn TA, Liu CJ. Progranulin promotes diabetic fracture healing in mice with type 1 diabetes. Ann N Y Acad Sci 2019; 1460:43-56. [PMID: 31423598 DOI: 10.1111/nyas.14208] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 07/18/2019] [Indexed: 12/21/2022]
Abstract
Type 1 diabetes mellitus (T1DM) is an autoimmune disease characterized by insulin deficiency, and patients with diabetes have an increased risk of bone fracture and significantly impaired fracture healing. Proinflammatory cytokine tumor necrosis factor-alpha is significantly upregulated in diabetic fractures and is believed to underlie delayed fracture healing commonly observed in diabetes. Our previous genetic screen for the binding partners of progranulin (PGRN), a growth factor-like molecule that induces chondrogenesis, led to the identification of tumor necrosis factor receptors (TNFRs) as the PGRN-binding receptors. In this study, we employed several in vivo models to ascertain whether PGRN has therapeutic effects in diabetic fracture healing. Here, we report that deletion of PGRN significantly delayed bone fracture healing and aggravated inflammation in the fracture models of mice with T1DM. In contrast, recombinant PGRN effectively promoted diabetic fracture healing by inhibiting inflammation and enhancing chondrogenesis. In addition, both TNFR1 proinflammatory and TNFR2 anti-inflammatory signaling pathways are involved in PGRN-stimulated diabetic fracture healing. Collectively, these findings illuminate a novel understanding concerning the role of PGRN in diabetic fracture healing and may have an application in the development of novel therapeutic intervention strategies for diabetic and other types of impaired fracture healing.
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Affiliation(s)
- Jianlu Wei
- Department of Orthopaedic Surgery, New York University School of Medicine, New York University Medical Center, New York, New York.,Department of Orthopaedic Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Lei Zhang
- Department of Orthopaedic Surgery, New York University School of Medicine, New York University Medical Center, New York, New York.,Department of Orthopaedics, Shandong Provincial Qianfoshan Hospital, the First Hospital Affiliated with Shandong First Medical University, Jinan, Shandong, China
| | - Yuanjing Ding
- Department of Orthopaedic Surgery, New York University School of Medicine, New York University Medical Center, New York, New York
| | - Ronghan Liu
- Department of Orthopaedic Surgery, New York University School of Medicine, New York University Medical Center, New York, New York
| | - Yuqi Guo
- College of Dentistry, New York University, New York, New York
| | - Aubryanna Hettinghouse
- Department of Orthopaedic Surgery, New York University School of Medicine, New York University Medical Center, New York, New York
| | - John Buza
- Department of Orthopaedic Surgery, New York University School of Medicine, New York University Medical Center, New York, New York
| | - Jean De La Croix
- Department of Orthopaedic Surgery, New York University School of Medicine, New York University Medical Center, New York, New York
| | - Xin Li
- College of Dentistry, New York University, New York, New York
| | - Thomas A Einhorn
- Department of Orthopaedic Surgery, New York University School of Medicine, New York University Medical Center, New York, New York
| | - Chuan-Ju Liu
- Department of Orthopaedic Surgery, New York University School of Medicine, New York University Medical Center, New York, New York.,Department of Cell Biology, New York University School of Medicine, New York, New York
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Ruiz-Fernández C, Francisco V, Pino J, Mera A, González-Gay MA, Gómez R, Lago F, Gualillo O. Molecular Relationships among Obesity, Inflammation and Intervertebral Disc Degeneration: Are Adipokines the Common Link? Int J Mol Sci 2019; 20:ijms20082030. [PMID: 31027158 PMCID: PMC6515363 DOI: 10.3390/ijms20082030] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 04/23/2019] [Accepted: 04/24/2019] [Indexed: 12/18/2022] Open
Abstract
Intervertebral disc degeneration (IVDD) is a chronic, expensive, and high-incidence musculoskeletal disorder largely responsible for back/neck and radicular-related pain. It is characterized by progressive degenerative damage of intervertebral tissues along with metabolic alterations of all other vertebral tissues. Despite the high socio-economic impact of IVDD, little is known about its etiology and pathogenesis, and currently, no cure or specific treatments are available. Recent evidence indicates that besides abnormal and excessive mechanical loading, inflammation may be a crucial player in IVDD. Furthermore, obese adipose tissue is characterized by a persistent and low-grade production of systemic pro-inflammatory factors. In this context, chronic low-grade inflammation associated with obesity has been hypothesized as an important contributor to IVDD through different, but still unknown, mechanisms. Adipokines, such as leptin, produced prevalently by white adipose tissues, but also by other cells of mesenchymal origin, particularly cartilage and bone, are cytokine-like hormones involved in important physiologic and pathophysiological processes. Although initially restricted to metabolic functions, adipokines are now viewed as key players of the innate and adaptative immune system and active modulators of the acute and chronic inflammatory response. The goal of this review is to summarize the most recent findings regarding the interrelationships among inflammation, obesity and the pathogenic mechanisms involved in the IVDD, with particular emphasis on the contribution of adipokines and their potential as future therapeutic targets.
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Affiliation(s)
- Clara Ruiz-Fernández
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, 15706 Santiago de Compostela, Spain.
| | - Vera Francisco
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, 15706 Santiago de Compostela, Spain.
| | - Jesus Pino
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, 15706 Santiago de Compostela, Spain.
| | - Antonio Mera
- SERGAS (Servizo Galego de Saude), Santiago University Clinical Hospital, Division of Rheumatology, Travesía da Choupana S/N, 15706 Santiago de Compostela, Spain.
| | - Miguel Angel González-Gay
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Universidad de Cantabria and IDIVAL, Hospital Universitario Marqués de Valdecilla, Av. Valdecilla, 39008 Santander, Spain.
| | - Rodolfo Gómez
- Musculoskeletal Pathology Group. SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), Research Laboratory 9, Santiago University Clinical Hospital, 15706 Santiago de Compostela, Spain.
| | - Francisca Lago
- Molecular and Cellular Cardiology Group, SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), Research Laboratory 7, Santiago University Clinical Hospital, 15706 Santiago de Compostela, Spain.
| | - Oreste Gualillo
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, 15706 Santiago de Compostela, Spain.
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30
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Microglial Progranulin: Involvement in Alzheimer's Disease and Neurodegenerative Diseases. Cells 2019; 8:cells8030230. [PMID: 30862089 PMCID: PMC6468562 DOI: 10.3390/cells8030230] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Revised: 03/06/2019] [Accepted: 03/07/2019] [Indexed: 12/12/2022] Open
Abstract
Neurodegenerative diseases such as Alzheimer’s disease have proven resistant to new treatments. The complexity of neurodegenerative disease mechanisms can be highlighted by accumulating evidence for a role for a growth factor, progranulin (PGRN). PGRN is a glycoprotein encoded by the GRN/Grn gene with multiple cellular functions, including neurotrophic, anti-inflammatory and lysosome regulatory properties. Mutations in the GRN gene can lead to frontotemporal lobar degeneration (FTLD), a cause of dementia, and neuronal ceroid lipofuscinosis (NCL), a lysosomal storage disease. Both diseases are associated with loss of PGRN function resulting, amongst other features, in enhanced microglial neuroinflammation and lysosomal dysfunction. PGRN has also been implicated in Alzheimer’s disease (AD). Unlike FTLD, increased expression of PGRN occurs in brains of human AD cases and AD model mice, particularly in activated microglia. How microglial PGRN might be involved in AD and other neurodegenerative diseases will be discussed. A unifying feature of PGRN in diseases might be its modulation of lysosomal function in neurons and microglia. Many experimental models have focused on consequences of PGRN gene deletion: however, possible outcomes of increasing PGRN on microglial inflammation and neurodegeneration will be discussed. We will also suggest directions for future studies on PGRN and microglia in relation to neurodegenerative diseases.
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Cui Y, Hettinghouse A, Liu CJ. Progranulin: A conductor of receptors orchestra, a chaperone of lysosomal enzymes and a therapeutic target for multiple diseases. Cytokine Growth Factor Rev 2019; 45:53-64. [PMID: 30733059 DOI: 10.1016/j.cytogfr.2019.01.002] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 01/29/2019] [Indexed: 12/14/2022]
Abstract
Progranulin (PGRN), a widely expressed glycoprotein with pleiotropic function, has been linked to a host of physiological processes and diverse pathological states. A series of contemporary preclinical disease models and clinical trials have evaluated various therapeutic strategies targeting PGRN, highlighting PGRN as a promising therapeutic target. Herein we summarize available knowledge of PGRN targeting in various kinds of diseases, including common neurological diseases, inflammatory autoimmune diseases, cancer, tissue repair, and rare lysosomal storage diseases, with a focus on the functional domain-oriented drug development strategies. In particular, we emphasize the role of extracellular PGRN as a non-conventional, extracellular matrix bound, growth factor-like conductor orchestrating multiple membrane receptors and intracellular PGRN as a chaperone/co-chaperone that mediates the folding and traffic of its various binding partners.
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Affiliation(s)
- Yazhou Cui
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY, 10003, USA; Shandong Medical Biotechnological Center, Shandong Academy of Medical Sciences, Jinan, 250062, China
| | - Aubryanna Hettinghouse
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY, 10003, USA
| | - Chuan-Ju Liu
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY, 10003, USA; Department of Cell Biology, New York University School of Medicine, New York, NY, 10016, USA.
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Progranulin Is Positively Associated with Intervertebral Disc Degeneration by Interaction with IL-10 and IL-17 Through TNF Pathways. Inflammation 2019; 41:1852-1863. [PMID: 29992506 DOI: 10.1007/s10753-018-0828-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Progranulin (PGRN) is a widely expressed growth factor that effectively inhibits tumor necrosis factor α (TNFα)-mediated inflammatory response. TNFα is involved in intervertebral disc degeneration (IDD) and plays a key role. This study aims to determine the role of PGRN in the intervertebral disc degeneration process. We collected intervertebral discs (IVDs) from humans and mice with different genetic backgrounds. We examined the expression of PGRN in IVD tissues by immunohistochemistry staining and Western blotting assay. We examined the peripheral serum level of PGRN by ELISA assay. Murine IVD tissue samples were taken to undergo safranin O, HE, and immunohistochemistry staining. Primary human nucleus pulposus cells were used for ELISA and RT-PCR assays. PGRN as well as interlukin-10 (IL-10) and interlukin-17 (IL-17) expressions were elevated in degenerative discs and peripheral blood sera. Loss of PGRN led to accelerated disc degeneration in the animal model, along with decreased expression of IL-10 and increased expression of IL-17. Additionally, the PGRN level was positively related to levels of IL-10 and IL-17. In vitro study suggested that PGRN protected against disc degeneration by inducing IL-10 and reducing IL-17. PGRN is associated with intervertebral disc degeneration through interfering with IL-10 and IL-17; thus, PGRN could be an interesting biomarker for diagnosis and a potential treatment target.
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Tu C, He J, Wu B, Wang W, Li Z. An extensive review regarding the adipokines in the pathogenesis and progression of osteoarthritis. Cytokine 2019; 113:1-12. [DOI: 10.1016/j.cyto.2018.06.019] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Revised: 05/12/2018] [Accepted: 06/12/2018] [Indexed: 12/13/2022]
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Chen Y, Jian J, Hettinghouse A, Zhao X, Setchell KDR, Sun Y, Liu CJ. Progranulin associates with hexosaminidase A and ameliorates GM2 ganglioside accumulation and lysosomal storage in Tay-Sachs disease. J Mol Med (Berl) 2018; 96:1359-1373. [PMID: 30341570 DOI: 10.1007/s00109-018-1703-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 09/19/2018] [Accepted: 10/09/2018] [Indexed: 02/05/2023]
Abstract
Tay-Sachs disease (TSD) is a lethal lysosomal storage disease (LSD) caused by mutations in the HexA gene, which can lead to deficiency of β-hexosaminidase A (HexA) activity and consequent accumulation of its substrate, GM2 ganglioside. Recent reports that progranulin (PGRN) functions as a chaperone of lysosomal enzymes and its deficiency is associated with LSDs, including Gaucher disease and neuronal ceroid lipofuscinosis, prompted us to screen the effects of recombinant PGRN on lysosomal storage in fibroblasts from 11 patients affected by various LSDs, which led to the isolation of TSD in which PGRN demonstrated the best effects in reducing lysosomal storage. Subsequent in vivo studies revealed significant GM2 accumulation and the existence of typical TSD cells containing zebra bodies in both aged and ovalbumin-challenged adult PGRN-deficient mice. In addition, HexA, but not HexB, was aggregated in PGRN-deficient cells. Furthermore, recombinant PGRN significantly reduced GM2 accumulation and lysosomal storage in these animal models. Mechanistic studies indicated that PGRN bound to HexA through granulins G and E domain and increased the enzymatic activity and lysosomal delivery of HexA. More importantly, Pcgin, an engineered PGRN derivative bearing the granulin E domain, also effectively bound to HexA and reduced the GM2 accumulation. Collectively, these studies not only provide new insights into the pathogenesis of TSD but may also have implications for developing PGRN-based therapy for this life-threatening disorder. KEY MESSAGES: GM2 accumulation and the existence of typical TSD cells containing zebra bodies are detected in both aged and ovalbumin-challenged adult PGRN deficient mice. Recombinant PGRN significantly reduces GM2 accumulation and lysosomal storage both in vivo and in vitro, which works through increasing the expression and lysosomal delivery of HexA. Pcgin, an engineered PGRN derivative bearing the granulin E domain, also effectively binds to to HexA and reduces GM2 accumulation.
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Affiliation(s)
- Yuehong Chen
- Department of Orthopaedic Surgery, New York University Medical Center, 301 East 17th Street, New York, NY, 10003, USA.,Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jinlong Jian
- Department of Orthopaedic Surgery, New York University Medical Center, 301 East 17th Street, New York, NY, 10003, USA
| | - Aubryanna Hettinghouse
- Department of Orthopaedic Surgery, New York University Medical Center, 301 East 17th Street, New York, NY, 10003, USA
| | - Xueheng Zhao
- The Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA
| | - Kenneth D R Setchell
- The Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA
| | - Ying Sun
- The Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA
| | - Chuan-Ju Liu
- Department of Orthopaedic Surgery, New York University Medical Center, 301 East 17th Street, New York, NY, 10003, USA. .,Department of Cell Biology, New York University School of Medicine, New York, NY, 10016, USA.
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Wei JL, Fu W, Hettinghouse A, He WJ, Lipson KE, Liu CJ. Role of ADAMTS-12 in Protecting Against Inflammatory Arthritis in Mice By Interacting With and Inactivating Proinflammatory Connective Tissue Growth Factor. Arthritis Rheumatol 2018; 70:1745-1756. [PMID: 29750395 DOI: 10.1002/art.40552] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 05/03/2018] [Indexed: 12/19/2022]
Abstract
OBJECTIVE It has been reported that ADAMTS-12 is a susceptibility gene for rheumatoid arthritis (RA) development, and its level is significantly increased in RA patients. In addition, ADAMTS-12 is reported to be required for inflammation in otherwise healthy subjects. This study was undertaken to determine the role of ADAMTS-12 and the underlying mechanisms in the pathogenesis of inflammatory arthritis. METHODS The collagen-induced arthritis (CIA) model was established in ADAMTS-12-deficient mice and their control littermates to determine the role of ADAMTS-12 in vivo. Micro-computed tomography scanning was used to demonstrate the destruction of the ankle joint; histologic analysis illustrated synovitis, pannus formation, and bone and cartilage destruction; enzyme-linked immunosorbent assay was performed to measure serum levels of inflammatory cytokines; and protein-protein interaction assays were performed to detect the interactions of ADAMTS-12 and its various deletion mutants with connective tissue growth factor (CTGF). RESULTS Deficiency of ADAMTS-12 led to accelerated inflammatory arthritis in the CIA mouse model. Loss of ADAMTS-12 caused enhanced osteoclastogenesis. In vitro and in vivo protein-protein interaction assays demonstrated that ADAMTS-12 bound and processed CTGF, a previously unrecognized substrate of ADAMTS-12. In addition, deletion of ADAMTS-12 enhanced, while overexpression of ADMATS-12 reduced, CTGF-mediated inflammation. Furthermore, ADAMTS-12 regulation of inflammation was largely lost in CTGF-deficient macrophages. Importantly, blocking of CTGF attenuated elevated inflammatory arthritis seen in the ADAMTS-12-deficient CIA mouse model. CONCLUSION This study provides evidence that ADAMTS-12 is a critical regulator of inflammatory arthritis and that this is mediated, at least in part, through control of CTGF turnover.
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Affiliation(s)
- Jian-Lu Wei
- New York University Medical Center, New York, New York, and Shandong University Qilu Hospital, Jinan, China
| | - Wenyu Fu
- New York University Medical Center, New York, New York
| | | | - Wen-Jun He
- New York University Medical Center, New York, New York
| | | | - Chuan-Ju Liu
- New York University Medical Center and New York University School of Medicine, New York, New York
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Circulating PGRN Levels Are Increased but Not Associated with Insulin Sensitivity or β-Cell Function in Chinese Obese Children. DISEASE MARKERS 2018; 2018:3729402. [PMID: 30151059 PMCID: PMC6087587 DOI: 10.1155/2018/3729402] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 06/05/2018] [Accepted: 06/25/2018] [Indexed: 11/17/2022]
Abstract
Progranulin (PGRN), a novel peptide that has recently emerged as an important regulatory adipokine, is relevant to energy homeostasis and obesity in animals and adult humans. Little is known about its roles in children. The aim of the current study was to determine the potential role of PGRN and explore its relationship to various obesity-related markers in obese children. This was a cross-sectional study composed of 77 children (43 obese and 34 healthy, age 8.68 ± 0.28 and 8.46 ± 0.45 years, resp.). The PGRN levels were significantly higher in obese children (102.44 ± 4.18 ng/mL) comparing to controls (69.32 ± 5.49 ng/mL) (P < 0.05). Moreover, the PGRN levels were positively correlated with triglyceride (TG), total cholesterol (TC), IL-6, systolic blood pressure (SBP), and diastolic blood pressure (DBP) in obese children after adjusted for BMI and age. However, there was no correlation of serum PGRN levels with OGTT-derived dynamic parameters, HOMA-IR, or HOMA-β in obese children. The results suggest that serum PGRN levels are significantly higher in obese children in China and correlate significantly with obesity-related markers. Increased PGRN levels may be involved in the pathological mechanism of childhood obesity.
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A New Venue of TNF Targeting. Int J Mol Sci 2018; 19:ijms19051442. [PMID: 29751683 PMCID: PMC5983675 DOI: 10.3390/ijms19051442] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Revised: 04/25/2018] [Accepted: 05/03/2018] [Indexed: 12/20/2022] Open
Abstract
The first Food and Drug Administration-(FDA)-approved drugs were small, chemically-manufactured and highly active molecules with possible off-target effects, followed by protein-based medicines such as antibodies. Conventional antibodies bind a specific protein and are becoming increasingly important in the therapeutic landscape. A very prominent class of biologicals are the anti-tumor necrosis factor (TNF) drugs that are applied in several inflammatory diseases that are characterized by dysregulated TNF levels. Marketing of TNF inhibitors revolutionized the treatment of diseases such as Crohn’s disease. However, these inhibitors also have undesired effects, some of them directly associated with the inherent nature of this drug class, whereas others are linked with their mechanism of action, being pan-TNF inhibition. The effects of TNF can diverge at the level of TNF format or receptor, and we discuss the consequences of this in sepsis, autoimmunity and neurodegeneration. Recently, researchers tried to design drugs with reduced side effects. These include molecules with more specificity targeting one specific TNF format or receptor, or that neutralize TNF in specific cells. Alternatively, TNF-directed biologicals without the typical antibody structure are manufactured. Here, we review the complications related to the use of conventional TNF inhibitors, together with the anti-TNF alternatives and the benefits of selective approaches in different diseases.
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Francisco V, Pino J, Gonzalez‐Gay MA, Mera A, Lago F, Gómez R, Mobasheri A, Gualillo O. Adipokines and inflammation: is it a question of weight? Br J Pharmacol 2018; 175:1569-1579. [PMID: 29486050 PMCID: PMC5913397 DOI: 10.1111/bph.14181] [Citation(s) in RCA: 103] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 02/09/2018] [Accepted: 02/16/2018] [Indexed: 12/25/2022] Open
Abstract
Obesity has reached epidemic proportions in the Western society and is increasing in the developing world. It is considered as one of the major contributors to the global burden of disability and chronic diseases, including autoimmune, inflammatory and degenerative diseases. Research conducted on obesity and its complications over the last two decades has transformed the outdated concept of white adipose tissue (WAT) merely serving as an energy depot. WAT is now recognized as an active and inflammatory organ capable of producing a wide variety of factors known as adipokines. These molecules participate through endocrine, paracrine, autocrine or juxtacrine crosstalk mechanisms in a great variety of physiological or pathophysiological processes, regulating food intake, insulin sensitivity, immunity and inflammation. Although initially restricted to metabolic activities (regulation of glucose and lipid metabolism), adipokines currently represent a new family of proteins that can be considered key players in the complex network of soluble mediators involved in the pathophysiology of immune/inflammatory diseases. However, the complexity of the adipokine network in the pathogenesis and progression of inflammatory diseases has posed, since the beginning, the important question of whether it may be possible to target the mechanism(s) by which adipokines contribute to disease selectively without suppressing their physiological functions. Here, we explore in depth the most recent findings concerning the involvement of adipokines in inflammation and immune responses, in particular in rheumatic, inflammatory and degenerative diseases. We also highlight several possible strategies for therapeutic development and propose that adipokines and their signalling pathways may represent innovative therapeutic strategies for inflammatory disorders.
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Affiliation(s)
- Vera Francisco
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases)Santiago University Clinical HospitalBuilding C, Travesía da Choupana S/NSantiago de Compostela15706Spain
| | - Jesus Pino
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases)Santiago University Clinical HospitalBuilding C, Travesía da Choupana S/NSantiago de Compostela15706Spain
| | - Miguel Angel Gonzalez‐Gay
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory DiseasesUniversidad de Cantabria and IDIVAL, Hospital Universitario Marqués de ValdecillaAv. ValdecillaSantander39008Spain
| | - Antonio Mera
- SERGAS (Servizo Galego de Saude), Division of RheumatologySantiago University Clinical HospitalTravesía da Choupana S/NSantiago de Compostela15706Spain
| | - Francisca Lago
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), Department of Cellular and Molecular CardiologyCIBERCV (Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares), Building CTravesía da Choupana S/NSantiago de Compostela15706Spain
| | - Rodolfo Gómez
- Musculoskeletal Pathology Group. SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), Research Laboratory 9Santiago University Clinical HospitalSantiago de CompostelaSpain
| | - Ali Mobasheri
- Faculty of Health and Medical SciencesUniversity of SurreyGuildfordSurreyGU2 7XHUK
- School of Veterinary MedicineUniversity of SurreyGuildfordGU2 7ALUK
- Arthritis Research UK Centre for Sport, Exercise and Osteoarthritis, Arthritis Research UK Centre for Musculoskeletal Ageing ResearchQueen's Medical CentreNottinghamNG7 2UHUK
- State Research Institute Centre for Innovative MedicineSantariskiu 5Vilnius0866Republic of Lithuania
| | - Oreste Gualillo
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases)Santiago University Clinical HospitalBuilding C, Travesía da Choupana S/NSantiago de Compostela15706Spain
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Chen Y, Sud N, Hettinghouse A, Liu CJ. Molecular regulations and therapeutic targets of Gaucher disease. Cytokine Growth Factor Rev 2018; 41:65-74. [PMID: 29699937 DOI: 10.1016/j.cytogfr.2018.04.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Accepted: 04/09/2018] [Indexed: 02/07/2023]
Abstract
Gaucher disease (GD) is the most common lysosomal storage disease caused by deficiency of beta-glucocerebrosidase (GCase) resulting in lysosomal accumulation of its glycolipid substrate glucosylceramide. The activity of GCase depends on many factors such as proper folding and lysosomal localization, which are influenced by mutations in GCase encoding gene, and regulated by various GCase-binding partners including Saposin C, progranulin and heat shock proteins. In addition, proinflammatory molecules also contribute to pathogenicity of GD. In this review, we summarize the molecules that are known to be important for the pathogenesis of GD, particularly those modulating GCase lysosomal appearance and activity. In addition, small molecules that inhibit inflammatory mediators, calcium ion channels and other factors associated with GD are also described. Discovery and characterization of novel molecules that impact GD are not only important for deciphering the pathogenic mechanisms of the disease, but they also provide new targets for drug development to treat the disease.
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Affiliation(s)
- Yuehong Chen
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY 10003, USA; Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Neetu Sud
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY 10003, USA
| | - Aubryanna Hettinghouse
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY 10003, USA
| | - Chuan-Ju Liu
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY 10003, USA; Department of Cell Biology, New York University School of Medicine, New York, NY 10016, USA.
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Dastpeyman M, Smout MJ, Wilson D, Loukas A, Daly NL. Folding of granulin domains. Pept Sci (Hoboken) 2018. [DOI: 10.1002/pep2.24062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Mohadeseh Dastpeyman
- Centre for Biodiscovery and Molecular Development of Therapeutics; Australian Institute of Tropical Health and Medicine, James Cook University; Cairns Queensland Australia
| | - Michael J. Smout
- Centre for Biodiscovery and Molecular Development of Therapeutics; Australian Institute of Tropical Health and Medicine, James Cook University; Cairns Queensland Australia
| | - David Wilson
- Centre for Biodiscovery and Molecular Development of Therapeutics; Australian Institute of Tropical Health and Medicine, James Cook University; Cairns Queensland Australia
| | - Alex Loukas
- Centre for Biodiscovery and Molecular Development of Therapeutics; Australian Institute of Tropical Health and Medicine, James Cook University; Cairns Queensland Australia
| | - Norelle L. Daly
- Centre for Biodiscovery and Molecular Development of Therapeutics; Australian Institute of Tropical Health and Medicine, James Cook University; Cairns Queensland Australia
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Han Y, Si M, Zhao Y, Liu Y, Cheng K, Zhang Y, Jia J, Li J, Nie L. Progranulin Protects Against Osteonecrosis of the Femoral Head by Activating ERK1/2 Pathway. Inflammation 2018; 40:946-955. [PMID: 28247166 DOI: 10.1007/s10753-017-0539-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The aim of this study was to investigate progranulin (PGRN) expression and its effect in cartilage degradation and in the pathogenesis of osteonecrosis of the femoral head (ONFH). Cartilage specimens were obtained from ONFH and FNF patients and PGRN expression was analyzed by immunohistochemistry, western blot analysis, and RT-PCR. Peripheral blood PGRN level was detected by ELISA. Additionally, primary chondrocytes were cultured and treated with PGRN. Next, the expression of aggrecan and collagen II and the activation of ERK1/2 were detected. We observed that the expression of PGRN was significantly upregulated in ONFH patients' articular cartilage, and recombinant PGRN could promote expression of aggrecan and collagen II and the activation of ERK1/2. Collectively, PGRN can improve chondrocyte anabolism and perform a therapeutic role in the pathogenesis of ONFH. This study helps to elucidate the pathogenesis of ONFH and presents PGRN as a potential target for the treatment of ONFH.
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Affiliation(s)
- Yingguang Han
- Department of Orthopaedic Surgery, Shandong University Qilu Hospital, No. 107, Wen Hua Xi Road, Jinan, Shandong, 250012, People's Republic of China
| | - Meng Si
- Department of Orthopaedic Surgery, Shandong University Qilu Hospital, No. 107, Wen Hua Xi Road, Jinan, Shandong, 250012, People's Republic of China
| | - Yunpeng Zhao
- Department of Orthopaedic Surgery, Shandong University Qilu Hospital, No. 107, Wen Hua Xi Road, Jinan, Shandong, 250012, People's Republic of China
| | - Yi Liu
- Department of Orthopaedic Surgery, Shandong University Qilu Hospital, No. 107, Wen Hua Xi Road, Jinan, Shandong, 250012, People's Republic of China
| | - Kaiyuan Cheng
- Department of Orthopaedic Surgery, Shandong University Qilu Hospital, No. 107, Wen Hua Xi Road, Jinan, Shandong, 250012, People's Republic of China
| | - Yuedong Zhang
- Department of Orthopaedic Surgery, Taian Central Hospital, Taian, Shandong, 271000, China
| | - Jialin Jia
- Department of Orthopaedic Surgery, Shandong University Qilu Hospital, No. 107, Wen Hua Xi Road, Jinan, Shandong, 250012, People's Republic of China
| | - Jingkun Li
- Department of Orthopaedic Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, No. 16766, Jingshi Road, Jinan, Shandong, 250014, People's Republic of China.
| | - Lin Nie
- Department of Orthopaedic Surgery, Shandong University Qilu Hospital, No. 107, Wen Hua Xi Road, Jinan, Shandong, 250012, People's Republic of China.
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Jian J, Chen Y, Liberti R, Fu W, Hu W, Saunders-Pullman R, Pastores GM, Chen Y, Sun Y, Grabowski GA, Liu CJ. Chitinase-3-like Protein 1: A Progranulin Downstream Molecule and Potential Biomarker for Gaucher Disease. EBioMedicine 2018; 28:251-260. [PMID: 29396296 PMCID: PMC5835567 DOI: 10.1016/j.ebiom.2018.01.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 01/20/2018] [Accepted: 01/20/2018] [Indexed: 12/19/2022] Open
Abstract
We recently reported that progranulin (PGRN) is a novel regulator of glucocerebrosidase and its deficiency associates with Gaucher Diseases (GD) (Jian et al., 2016a; Jian et al., 2018). To isolate the relevant downstream molecules, we performed a whole genome microarray and mass spectrometry analysis, which led to the isolation of Chitinase-3-like-1 (CHI3L1) as one of the up-regulated genes in PGRN null mice. Elevated levels of CHI3L1 were confirmed by immunoblotting and immunohistochemistry. In contrast, treatment with recombinant Pcgin, a derivative of PGRN, as well as imigluerase, significantly reduced the expressions of CHI3L1 in both PGRN null GD model and the fibroblasts from GD patients. Serum levels of CHIT1, a clinical biomarker for GD, were significantly higher in GD patients than healthy controls (51.16±2.824ng/ml vs 35.07±2.099ng/ml, p<0.001). Similar to CHIT1, serum CHI3L1 was also significantly increased in GD patients compared with healthy controls (1736±152.1pg/ml vs 684.7±68.20pg/ml, p<0.001). Whereas the PGRN level is significantly reduced in GD patients as compared to the healthy control (91.56±3.986ng/ml vs 150.6±4.501, p<0.001). Collectively, these results indicate that CHI3L1 may be a previously unrecognized biomarker for diagnosing GD and for evaluating the therapeutic effects of new GD drug(s).
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Affiliation(s)
- Jinlong Jian
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY, 10003, USA
| | - Yuehong Chen
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY, 10003, USA
| | - Rossella Liberti
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY, 10003, USA
| | - Wenyu Fu
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY, 10003, USA
| | - Wenhuo Hu
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY, 10003, USA
| | | | - Gregory M Pastores
- Department of Neurology, New York University School of Medicine, 550 First Ave, New York, NY 10016, USA
| | - Ying Chen
- Depression Evaluation Service, New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY 10032, USA
| | - Ying Sun
- The Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Gregory A Grabowski
- The Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Chuan-Ju Liu
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY, 10003, USA; Department of Cell Biology, New York University School of Medicine, New York, NY 10016, USA.
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Progranulin derivative Atsttrin protects against early osteoarthritis in mouse and rat models. Arthritis Res Ther 2017; 19:280. [PMID: 29258611 PMCID: PMC5735869 DOI: 10.1186/s13075-017-1485-8] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Accepted: 11/24/2017] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Atsttrin, an engineered protein composed of three tumor necrosis factor receptor (TNFR)-binding fragments of progranulin (PGRN), shows therapeutic effect in multiple murine models of inflammatory arthritis . Additionally, intra-articular delivery of PGRN protects against osteoarthritis (OA) progression. The purpose of this study is to determine whether Atsttrin also has therapeutic effects in OA and the molecular mechanisms involved. METHODS Surgically induced and noninvasive rupture OA models were established in mouse and rat, respectively. Cartilage degradation and OA were evaluated using Safranin O staining, immunohistochemistry, and ELISA. Additionally, expressions of pain-related markers, degenerative factors, and anabolic and catabolic markers known to be involved in OA were analyzed. Furthermore, the anabolic and anti-catabolic effects and underlying mechanisms of Atsttrin were determined using in-vitro assays with primary chondrocytes. RESULTS Herein, we found Atsttrin effectively prevented the accelerated OA phenotype associated with PGRN deficiency. Additionally, Atsttrin exhibited a preventative effect in OA by protecting articular cartilage and reducing OA-associated pain in both nonsurgically induced rat and surgically induced murine OA models. Mechanistic studies revealed that Atsttrin stimulated TNFR2-Akt-Erk1/2-dependent chondrocyte anabolism, while inhibiting TNFα/TNFR1-mediated inflammatory catabolism. CONCLUSIONS These findings not only provide new insights into the role of PGRN and its derived engineered protein Atsttrin in cartilage homeostasis as well as OA in vivo, but may also lead to new therapeutic alternatives for OA as well as other relative degenerative joint diseases.
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Ding H, Wei J, Zhao Y, Liu Y, Liu L, Cheng L. Progranulin derived engineered protein Atsttrin suppresses TNF-α-mediated inflammation in intervertebral disc degenerative disease. Oncotarget 2017; 8:109692-109702. [PMID: 29312639 PMCID: PMC5752552 DOI: 10.18632/oncotarget.22766] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 10/29/2017] [Indexed: 01/23/2023] Open
Abstract
Atsttrin, an engineered molecule composed of three fragments of progranulin(PGRN), exerts comparable anti-inflammation ability. Intervertebral disc degeneration (IDD) is involved in inflammation in which TNF-α plays a key role. This study aims to examine the effect and the mechanism of Atsttrin in the pathogenesis of intervertebral disc degeneration. For this purpose, we took advantage of murine and human intervertebral disc (IVD) and examined the expression of TNF-α in IVD tissues using immunohistochemistry and TNF-α level in peripheral sera by ELISA assay. Moreover, murine IVD was taken to undergo the Safranin O and HE staining. Furthermore, primary human nucleus pulposus cells were used for immunohistochemistry staining, fluorescent staining, Western Blot, ELISA assay and RT-PCR assay. Herein we found TNF-α expression was elevated in intervertebral disc and peripheral sera in patients with IDD. Interestingly, Atsttrin effectively inhibited TNF-α-mediated catabolism in murine disc by ex vivo study. TNF-α-induced inflammatory cytokines were strongly reduced in presence of Atsttrin in primary human disc. Mechanism study indicated Atsttrin protected against intervertebral disc degeneration by inhibiting TNF-α-induced inflammation. These findings show that Atsttrin is a potential molecular target for disc degenerative diseases.
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Affiliation(s)
- Hong Ding
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, China
| | - Jianlu Wei
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, China
| | - Yunpeng Zhao
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, China
| | - Yi Liu
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, China
| | - Lian Liu
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, China
| | - Lei Cheng
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, China
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Abella V, Pino J, Scotece M, Conde J, Lago F, Gonzalez-Gay MA, Mera A, Gómez R, Mobasheri A, Gualillo O. Progranulin as a biomarker and potential therapeutic agent. Drug Discov Today 2017. [DOI: 10.1016/j.drudis.2017.06.006] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Abstract
The protein disulfide isomerase (PDI) gene family is a protein family classically characterized by endoplasmic reticulum (ER) localization and isomerase and redox activity. ERp57, a prominent multifunctional member of the PDI family, is detected at various levels in multiple cellular localizations outside of the ER. ERp57 has been functionally linked to a host of physiological processes and numerous studies have demonstrated altered expression and aberrant functionality of ERp57 in association with diverse pathological states. Here, we summarize available knowledge of ERp57's functions in subcellular compartments and the roles of dysregulated ERp57 in various diseases toward an emphasis on the potential utility of therapeutic development of ERp57.
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Affiliation(s)
- Aubryanna Hettinghouse
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY 10003, USA
| | - Ronghan Liu
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY 10003, USA
| | - Chuan-Ju Liu
- Department of Orthopaedic Surgery, New York University Medical Center, New York, NY 10003, USA; Department of Cell Biology, New York University School of Medicine, New York, NY 10016, USA.
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Progranulin Inhibits Human T Lymphocyte Proliferation by Inducing the Formation of Regulatory T Lymphocytes. Mediators Inflamm 2017; 2017:7682083. [PMID: 28194047 PMCID: PMC5282443 DOI: 10.1155/2017/7682083] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 12/05/2016] [Accepted: 12/27/2016] [Indexed: 12/25/2022] Open
Abstract
We have examined the effect of progranulin (PGRN) on human T cell proliferation and its underlying mechanism. We show that PGRN inhibits the PHA-induced multiplication of T lymphocytes. It increases the number of iTregs when T lymphocytes are activated by PHA but does not do so in the absence of PHA. PGRN-mediated inhibition of T lymphocyte proliferation, as well as the induction of iTregs, was completely reversed by a TGF-β inhibitor or a Treg inhibitor. PGRN induced TGF-β secretion in the presence of PHA whereas it did not in the absence of PHA. Our findings indicate that PGRN suppresses T lymphocyte proliferation by enhancing the formation of iTregs from activated T lymphocytes in response to TGF-β.
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