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Yang F, Cheng MH, Pan HF, Gao J. Progranulin: A promising biomarker and therapeutic target for fibrotic diseases. Acta Pharm Sin B 2024; 14:3312-3326. [PMID: 39220875 PMCID: PMC11365408 DOI: 10.1016/j.apsb.2024.04.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 03/29/2024] [Accepted: 04/12/2024] [Indexed: 09/04/2024] Open
Abstract
Progranulin (PGRN), a multifunctional growth factor-like protein expressed by a variety of cell types, serves an important function in the physiologic and pathologic processes of fibrotic diseases, including wound healing and the inflammatory response. PGRN was discovered to inhibit pro-inflammation effect by competing with tumor necrosis factor-alpha (TNF-α) binding to TNF receptors. Notably, excessive tissue repair in the development of inflammation causes tissue fibrosis. Previous investigations have indicated the significance of PGRN in regulating inflammatory responses. Recently, multiple studies have shown that PGRN was linked to fibrogenesis, and was considered to monitor the formation of fibrosis in multiple organs, including liver, cardiovascular, lung and skin. This paper is a comprehensive review summarizing our current knowledge of PGRN, from its discovery to the role in fibrosis. This is followed by an in-depth look at the characteristics of PGRN, consisting of its structure, basic function and intracellular signaling. Finally, we will discuss the potential of PGRN in the diagnosis and treatment of fibrosis.
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Affiliation(s)
- Fan Yang
- Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200000, China
- Department of Ophthalmology, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Ming-Han Cheng
- Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200000, China
| | - Hai-Feng Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei 230022, China
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei 230022, China
| | - Jian Gao
- Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200000, China
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2
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Mo D, Qiu Y, Tian B, Liu X, Chen Y, Zou G, Guo C, Deng C. Progranulin mitigates intestinal injury in a murine model of necrotizing enterocolitis by suppressing M1 macrophage polarization. Cell Biol Int 2024. [PMID: 38973665 DOI: 10.1002/cbin.12209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 06/11/2024] [Accepted: 06/11/2024] [Indexed: 07/09/2024]
Abstract
Neonatal necrotizing enterocolitis (NEC) is a critical digestive disorder frequently affecting premature infants. Characterized by intestinal inflammation caused by activated M1 macrophages, modulation of macrophage polarization is considered a promising therapeutic strategy for NEC. It has been demonstrated that the growth factor-like protein progranulin (PGRN), which plays roles in a number of physiological and pathological processes, can influence macrophage polarization and exhibit anti-inflammatory characteristics in a number of illnesses. However, its role in NEC is yet to be investigated. Our research showed that the levels of PGRN were markedly elevated in both human and animal models of NEC. PGRN deletion in mice worsens NEC by encouraging M1 polarization of macrophages and escalating intestinal damage and inflammation. Intravenous administration of recombinant PGRN to NEC mice showed significant survival benefits and protective effects, likely due to PGRN's ability to inhibit M1 polarization and reduce the release of pro-inflammatory factors. Our findings shed new light on PGRN's biological role in NEC and demonstrate its potential as a therapeutic target for the disease.
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Affiliation(s)
- Dandan Mo
- Department of Pediatrics, Yongchuan Hospital of Chongqing Medical University, Chongqin, China
| | - Youjun Qiu
- Department of Pediatrics, Yongchuan Hospital of Chongqing Medical University, Chongqin, China
| | - Bing Tian
- Department of Pediatrics, Yongchuan Hospital of Chongqing Medical University, Chongqin, China
| | - Xinli Liu
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing, China
| | - Yujie Chen
- Department of Pediatrics, Yongchuan Hospital of Chongqing Medical University, Chongqin, China
| | - Guotao Zou
- Department of Pediatrics, Yongchuan Hospital of Chongqing Medical University, Chongqin, China
| | - Chunbao Guo
- Department of Pediatrics, Chongqing Health Center for Women and Children, Chongqing, China
- Department of Pediatric Surgery, Women's and Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Chun Deng
- Department of Pediatrics, Yongchuan Hospital of Chongqing Medical University, Chongqin, China
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Poniatowski ŁA, Woźnica M, Wojdasiewicz P, Mela-Kalicka A, Romanowska-Próchnicka K, Purrahman D, Żurek G, Krawczyk M, Nameh Goshay Fard N, Furtak-Niczyporuk M, Jaroszyński J, Mahmoudian-Sani MR, Joniec-Maciejak I. The Role of Progranulin (PGRN) in the Pathogenesis of Glioblastoma Multiforme. Cells 2024; 13:124. [PMID: 38247816 PMCID: PMC10814625 DOI: 10.3390/cells13020124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/24/2023] [Accepted: 01/02/2024] [Indexed: 01/23/2024] Open
Abstract
Glioblastoma multiforme (GBM) represents the most common and aggressive malignant form of brain tumour in adults and is characterized by an extremely poor prognosis with dismal survival rates. Currently, expanding concepts concerning the pathophysiology of GBM are inextricably linked with neuroinflammatory phenomena. On account of this fact, the identification of novel pathomechanisms targeting neuroinflammation seems to be crucial in terms of yielding successful individual therapeutic strategies. In recent years, the pleiotropic growth factor progranulin (PGRN) has attracted significant attention in the neuroscience and oncological community regarding its neuroimmunomodulatory and oncogenic functions. This review of the literature summarizes and updates contemporary knowledge about PGRN, its associated receptors and signalling pathway involvement in GBM pathogenesis, indicating possible cellular and molecular mechanisms with potential diagnostic, prognostic and therapeutic targets in order to yield successful individual therapeutic strategies. After a review of the literature, we found that there are possible PGRN-targeted therapeutic approaches for implementation in GBM treatment algorithms both in preclinical and future clinical studies. Furthermore, PGRN-targeted therapies exerted their highest efficacy in combination with other established chemotherapeutic agents, such as temozolomide. The results of the analysis suggested that the possible implementation of routine determinations of PGRN and its associated receptors in tumour tissue and biofluids could serve as a diagnostic and prognostic biomarker of GBM. Furthermore, promising preclinical applications of PGRN-related findings should be investigated in clinical studies in order to create new diagnostic and therapeutic algorithms for GBM treatment.
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Affiliation(s)
- Łukasz A. Poniatowski
- Department of Neurosurgery, Dietrich-Bonhoeffer-Klinikum, Salvador-Allende-Straße 30, 17036 Neubrandenburg, Germany
| | - Michał Woźnica
- Department of Spine Surgery, 7th Navy Hospital, Polanki 117, 80-305 Gdańsk, Poland;
| | - Piotr Wojdasiewicz
- Department of Biophysics, Physiology and Pathophysiology, Faculty of Health Sciences, Medical University of Warsaw, Chałubińskiego 5, 02-004 Warsaw, Poland (K.R.-P.)
| | - Aneta Mela-Kalicka
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology (CePT), Medical University of Warsaw, Banacha 1B, 02-097 Warsaw, Poland
| | - Katarzyna Romanowska-Próchnicka
- Department of Biophysics, Physiology and Pathophysiology, Faculty of Health Sciences, Medical University of Warsaw, Chałubińskiego 5, 02-004 Warsaw, Poland (K.R.-P.)
- Department of Systemic Connective Tissue Diseases, Eleonora Reicher National Institute of Geriatrics, Rheumatology and Rehabilitation, Spartańska 1, 02-637 Warsaw, Poland
| | - Daryush Purrahman
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; (D.P.)
| | - Grzegorz Żurek
- Department of Biostructure, Wrocław University of Health and Sport Sciences, I. J. Paderewskiego 35, 51-612 Wrocław, Poland;
| | - Maciej Krawczyk
- 2nd Department of Neurology, Institute of Psychiatry and Neurology, Sobieskiego 9, 02-957 Warsaw, Poland
| | - Najmeh Nameh Goshay Fard
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; (D.P.)
| | - Marzena Furtak-Niczyporuk
- Department of Public Health, Faculty of Medicine, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland
| | - Janusz Jaroszyński
- Department of Administrative Proceedings, Faculty of Law and Administration, Maria Curie-Skłodowska University of Lublin, Marii Curie-Skłodowskiej 5, 20-031 Lublin, Poland
| | - Mohammad-Reza Mahmoudian-Sani
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; (D.P.)
| | - Ilona Joniec-Maciejak
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology (CePT), Medical University of Warsaw, Banacha 1B, 02-097 Warsaw, Poland
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Kaplelach AK, Fox SN, Cook AK, Hall JA, Dannemiller RS, Jaunarajs KL, Arrant AE. Regulation of extracellular progranulin in medial prefrontal cortex. Neurobiol Dis 2023; 188:106326. [PMID: 37838007 PMCID: PMC10682954 DOI: 10.1016/j.nbd.2023.106326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/28/2023] [Accepted: 10/11/2023] [Indexed: 10/16/2023] Open
Abstract
Progranulin is a secreted pro-protein that has anti-inflammatory and neurotrophic effects and is necessary for maintaining lysosomal function. Mutations in progranulin (GRN) are a major cause of frontotemporal dementia. Most pathogenic GRN mutations cause progranulin haploinsufficiency, so boosting progranulin levels is a promising therapeutic strategy. Progranulin is constitutively secreted, then taken up and trafficked to lysosomes. Before being taken up from the extracellular space, progranulin interacts with receptors that may mediate anti-inflammatory and growth factor-like effects. Modifying progranulin trafficking is a viable approach to boosting progranulin, but progranulin secretion and uptake by cells in the brain is poorly understood and may involve distinct mechanisms from other parts of the body. Understanding the cell types and processes that regulate extracellular progranulin in the brain could provide insight into progranulin's mechanism of action and inform design of progranulin-boosting therapies. To address this question we used microdialysis to measure progranulin in interstitial fluid (ISF) of mouse medial prefrontal cortex (mPFC). Grn+/- mice had approximately 50% lower ISF progranulin than wild-type mice, matching the reduction of progranulin in cortical tissue. Fluorescent in situ hybridization and immunofluorescence confirmed that microglia and neurons are the major progranulin-expressing cell types in the mPFC. Studies of conditional microglial (Mg-KO) and neuronal (N-KO) Grn knockout mice revealed that loss of progranulin from either cell type results in approximately 50% reduction in ISF progranulin. LPS injection (i.p.) produced an acute increase in ISF progranulin in mPFC. Depolarizing cells with KCl increased ISF progranulin, but this response was not altered in N-KO mice, indicating progranulin secretion by non-neuronal cells. Increasing neuronal activity with picrotoxin did not increase ISF progranulin. These data indicate that microglia and neurons are the source of most ISF progranulin in mPFC, with microglia likely secreting more progranulin per cell than neurons. The acute increase in ISF progranulin after LPS treatment is consistent with a role for extracellular progranulin in regulating inflammation, and may have been driven by microglia or peripheral immune cells. Finally, these data indicate that mPFC neurons engage in constitutive progranulin secretion that is not acutely changed by neuronal activity.
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Affiliation(s)
- Azariah K Kaplelach
- Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, Departments of Neurology and Neurobiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Stephanie N Fox
- Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, Departments of Neurology and Neurobiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Anna K Cook
- Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, Departments of Neurology and Neurobiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Justin A Hall
- Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, Departments of Neurology and Neurobiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Ryan S Dannemiller
- Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, Departments of Neurology and Neurobiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Karen L Jaunarajs
- Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, Departments of Neurology and Neurobiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Andrew E Arrant
- Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, Departments of Neurology and Neurobiology, University of Alabama at Birmingham, Birmingham, AL, USA.
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5
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Moradi L, Witek L, Vivekanand Nayak V, Cabrera Pereira A, Kim E, Good J, Liu CJ. Injectable hydrogel for sustained delivery of progranulin derivative Atsttrin in treating diabetic fracture healing. Biomaterials 2023; 301:122289. [PMID: 37639975 PMCID: PMC11232488 DOI: 10.1016/j.biomaterials.2023.122289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 07/22/2023] [Accepted: 08/18/2023] [Indexed: 08/31/2023]
Abstract
Hydrogels with long-term storage stability, controllable sustained-release properties, and biocompatibility have been garnering attention as carriers for drug/growth factor delivery in tissue engineering applications. Chitosan (CS)/Graphene Oxide (GO)/Hydroxyethyl cellulose (HEC)/β-glycerol phosphate (β-GP) hydrogel is capable of forming a 3D gel network at physiological temperature (37 °C), rendering it an excellent candidate for use as an injectable biomaterial. This work focused on an injectable thermo-responsive CS/GO/HEC/β-GP hydrogel, which was designed to deliver Atsttrin, an engineered derivative of a known chondrogenic and anti-inflammatory growth factor-like molecule progranulin. The combination of the CS/GO/HEC/β-GP hydrogel and Atsttrin provides a unique biochemical and biomechanical environment to enhance fracture healing. CS/GO/HEC/β-GP hydrogels with increased amounts of GO exhibited rapid sol-gel transition, higher viscosity, and sustained release of Atsttrin. In addition, these hydrogels exhibited a porous interconnected structure. The combination of Atsttrin and hydrogel successfully promoted chondrogenesis and osteogenesis of bone marrow mesenchymal stem cells (bmMSCs) in vitro. Furthermore, the work also presented in vivo evidence that injection of Atsttrin-loaded CS/GO/HEC/β-GP hydrogel stimulated diabetic fracture healing by simultaneously inhibiting inflammatory and stimulating cartilage regeneration and endochondral bone formation signaling pathways. Collectively, the developed injectable thermo-responsive CS/GO/HEC/βG-P hydrogel yielded to be minimally invasive, as well as capable of prolonged and sustained delivery of Atsttrin, for therapeutic application in impaired fracture healing, particularly diabetic fracture healing.
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Affiliation(s)
- Lida Moradi
- Department of Orthopaedics Surgery, New York University Grossman School of Medicine, New York, NY, 10003, USA; Department of Orthopaedics & Rehabilitation, Yale University School of Medicine, New Haven, CT, 06510, USA
| | - Lukasz Witek
- Biomaterials Division - Department of Molecular Pathobiology, New York University College of Dentistry, New York, NY, 10010, USA; Department of Biomedical Engineering, New York University Tandon School of Engineering, Brooklyn, NY, 11201, USA
| | - Vasudev Vivekanand Nayak
- Biomaterials Division - Department of Molecular Pathobiology, New York University College of Dentistry, New York, NY, 10010, USA
| | - Angel Cabrera Pereira
- Biomaterials Division - Department of Molecular Pathobiology, New York University College of Dentistry, New York, NY, 10010, USA
| | - Ellen Kim
- Department of Orthopaedics Surgery, New York University Grossman School of Medicine, New York, NY, 10003, USA
| | - Julia Good
- Department of Orthopaedics Surgery, New York University Grossman School of Medicine, New York, NY, 10003, USA
| | - Chuan-Ju Liu
- Department of Orthopaedics Surgery, New York University Grossman School of Medicine, New York, NY, 10003, USA; Department of Orthopaedics & Rehabilitation, Yale University School of Medicine, New Haven, CT, 06510, USA; Department of Cell Biology, New York University Grossman School of Medicine, New York, NY, 10016, USA.
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Purrahman D, Shojaeian A, Poniatowski ŁA, Piechowski-Jóźwiak B, Mahmoudian-Sani MR. The Role of Progranulin (PGRN) in the Pathogenesis of Ischemic Stroke. Cell Mol Neurobiol 2023; 43:3435-3447. [PMID: 37561339 DOI: 10.1007/s10571-023-01396-8] [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: 12/11/2022] [Accepted: 07/28/2023] [Indexed: 08/11/2023]
Abstract
Stroke is a life-threatening medical condition and is a leading cause of disability. Cerebral ischemia is characterized by a distinct inflammatory response starting with the production of various cytokines and other inflammation-related agents. Progranulin (PGRN), a multifunctional protein, is critical in diverse physiological reactions, such as cell proliferation, inflammation, wound healing, and nervous system development. A mature PGRN is anti-inflammatory, while granulin, its derivative, conversely induces pro-inflammatory cytokine expression. PGRN is significantly involved in the brain tissue and its damage, for example, improving mood and cognitive disorders caused by cerebral ischemia. It may also have protective effects against nerve and spinal cord injuries by inhibiting neuroinflammatory response and apoptosis or it may be related to the proliferation, accumulation, differentiation, and activation of microglia. PGRN is a neurotrophic factor in the central nervous system. It may increase post-stroke neurogenesis of the subventricular zone (SVZ), which is particularly important in improving long-term brain function following cerebral ischemia. The neurogenesis enhanced via PGRN in the ischemic brain SVZ may be attributed to the induction of PI3K/AKT and MAPK/ERK signaling routes. PGRN can also promote the proliferation of neural stem/progenitor cells through PI3K/AKT signaling pathway. PGRN increases hippocampal neurogenesis, reducing anxiety and impaired spatial learning post-cerebral ischemia. PGRN alleviates cerebral ischemia/reperfusion injury by reducing endoplasmic reticulum stress and suppressing the NF-κB signaling pathway. PGRN can be introduced as a potent neuroprotective agent capable of improving post-ischemia neuronal actions, mainly by reducing and elevating the inflammatory and anti-inflammatory cytokines. Expression, storage, cleavage, and function of progranulin (PGRN) in the pathogenesis of ischemic stroke.
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Affiliation(s)
- Daryush Purrahman
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ali Shojaeian
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Łukasz A Poniatowski
- Department of Neurosurgery, Dietrich-Bonhoeffer-Klinikum, Salvador-Allende-Straße 30, 17036, Neubrandenburg, Germany
| | - Bartłomiej Piechowski-Jóźwiak
- Neurological Institute, Cleveland Clinic Abu Dhabi, 59 Hamouda Bin Ali Al Dhaheri Street, Jazeerat Al Maryah, PO Box 112412, Abu Dhabi, United Arab Emirates
| | - Mohammad-Reza Mahmoudian-Sani
- Thalassemia and Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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Ventura E, Ducci G, Benot Dominguez R, Ruggiero V, Belfiore A, Sacco E, Vanoni M, Iozzo RV, Giordano A, Morrione A. Progranulin Oncogenic Network in Solid Tumors. Cancers (Basel) 2023; 15:cancers15061706. [PMID: 36980592 PMCID: PMC10046331 DOI: 10.3390/cancers15061706] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/06/2023] [Accepted: 03/08/2023] [Indexed: 03/16/2023] Open
Abstract
Progranulin is a pleiotropic growth factor with important physiological roles in embryogenesis and maintenance of adult tissue homeostasis. While-progranulin deficiency is associated with a broad range of pathological conditions affecting the brain, such as frontotemporal dementia and neuronal ceroid lipofuscinosis, progranulin upregulation characterizes many tumors, including brain tumors, multiple myeloma, leiomyosarcoma, mesothelioma and epithelial cancers such as ovarian, liver, breast, bladder, adrenal, prostate and kidney carcinomas. The increase of progranulin levels in tumors might have diagnostic and prognostic significance. In cancer, progranulin has a pro-tumorigenic role by promoting cancer cell proliferation, migration, invasiveness, anchorage-independent growth and resistance to chemotherapy. In addition, progranulin regulates the tumor microenvironment, affects the function of cancer-associated fibroblasts, and modulates tumor immune surveillance. However, the molecular mechanisms of progranulin oncogenic function are not fully elucidated. In bladder cancer, progranulin action relies on the activation of its functional signaling receptor EphA2. Notably, more recent data suggest that progranulin can also modulate a functional crosstalk between multiple receptor-tyrosine kinases, demonstrating a more complex and context-dependent role of progranulin in cancer. Here, we will review what is currently known about the function of progranulin in tumors, with a focus on its molecular mechanisms of action and regulation.
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Affiliation(s)
- Elisa Ventura
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
- Correspondence: (E.V.); (A.M.); Tel.: +1-215-204-2450 (A.M.)
| | - Giacomo Ducci
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, 20126 Milan, Italy
- SYSBIO (Centre of Systems Biology), ISBE (Infrastructure Systems Biology Europe), 20126 Milan, Italy
| | - Reyes Benot Dominguez
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
| | - Valentina Ruggiero
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
- Department of Pharmacological Sciences, Master Program in Pharmaceutical Biotechnologies, University of Padua, 35131 Padua, Italy
| | - Antonino Belfiore
- Department of Clinical and Experimental Medicine, Endocrinology Unit, University of Catania, Garibaldi-Nesima Hospital, 95122 Catania, Italy
| | - Elena Sacco
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, 20126 Milan, Italy
- SYSBIO (Centre of Systems Biology), ISBE (Infrastructure Systems Biology Europe), 20126 Milan, Italy
| | - Marco Vanoni
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, 20126 Milan, Italy
- SYSBIO (Centre of Systems Biology), ISBE (Infrastructure Systems Biology Europe), 20126 Milan, Italy
| | - Renato V. Iozzo
- Department of Pathology, Anatomy and Cell Biology, Translational Cellular Oncology Program, Sidney Kimmel Cancer Center, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Antonio Giordano
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
- Department of Medical Biotechnologies, University of Siena, 53100 Siena, Italy
| | - Andrea Morrione
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
- Correspondence: (E.V.); (A.M.); Tel.: +1-215-204-2450 (A.M.)
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8
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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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9
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Zhao R, Han W, Tang K, Shao R, Zhu P, Zhang S, Xu P, He Y. Function of normal oral mucosa revealed by single-cell RNA sequencing. J Cell Biochem 2022; 123:1481-1494. [PMID: 35894175 DOI: 10.1002/jcb.30307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 06/11/2022] [Accepted: 07/08/2022] [Indexed: 11/10/2022]
Abstract
The functions of oral mucosa include barrier, sensation, and secretion. The barrier protection function is particularly important, which includes physical barrier and immunological barrier. Few studies have revealed the function of oral mucosa by displaying the map of normal oral mucosal cells from the perspective of single cells. Here, single-cell transcriptome sequencing was used to bring a relatively comprehensive map of the normal oral mucosal cells. In total, 26,398 cells from three cases of normal oral mucosa were analyzed by single-cell RNA-sequencing and 14 distinct cell groups were defined, 7 of which were immune cells. We performed subgroup classification and heterogeneity analysis of epithelial cells, T cells, and macrophagocytes, which found a subpopulation of epithelial cells with high expression of major histocompatibility complex class II molecules, a subpopulation CD8+ GZMK+ T cells, and two kinds of active macrophagocytes. Meanwhile, we identified ligand-receptor pairs among the major cell types to explore the interactions and how they maintain the homeostasis of normal oral mucosa. Based on these results, the epithelial barrier function, immunological barrier function, and potential maintenance function of stromal cells in the oral mucosa were described at the single-cell level, which provides basic data resources for further studies of oral mucosal diseases.
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Affiliation(s)
- Ruowen Zhao
- Department of Oral Medicine, Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Wenhao Han
- Department of Gastroenterology, Shanghai 10th People's Hospital & School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Kailin Tang
- Department of Gastroenterology, Shanghai 10th People's Hospital & School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Ruru Shao
- Department of Oral Medicine, Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Pingyi Zhu
- Department of Oral Medicine, Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Shi Zhang
- Department of Oral Medicine, Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Pan Xu
- Department of Oral Medicine, Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Yuan He
- Department of Oral Medicine, Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
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10
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Liu L, Shi Z, Ji X, Zhang W, Luan J, Zahr T, Qiang L. Adipokines, adiposity, and atherosclerosis. Cell Mol Life Sci 2022; 79:272. [PMID: 35503385 PMCID: PMC11073100 DOI: 10.1007/s00018-022-04286-2] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 03/11/2022] [Accepted: 04/03/2022] [Indexed: 12/12/2022]
Abstract
Characterized by a surplus of whole-body adiposity, obesity is strongly associated with the prognosis of atherosclerosis, a hallmark of coronary artery disease (CAD) and the major contributor to cardiovascular disease (CVD) mortality. Adipose tissue serves a primary role as a lipid-storage organ, secreting cytokines known as adipokines that affect whole-body metabolism, inflammation, and endocrine functions. Emerging evidence suggests that adipokines can play important roles in atherosclerosis development, progression, as well as regression. Here, we review the versatile functions of various adipokines in atherosclerosis and divide these respective functions into three major groups: protective, deteriorative, and undefined. The protective adipokines represented here are adiponectin, fibroblast growth factor 21 (FGF-21), C1q tumor necrosis factor-related protein 9 (CTRP9), and progranulin, while the deteriorative adipokines listed include leptin, chemerin, resistin, Interleukin- 6 (IL-6), and more, with additional adipokines that have unclear roles denoted as undefined adipokines. Comprehensively categorizing adipokines in the context of atherosclerosis can help elucidate the various pathways involved and potentially pave novel therapeutic approaches to treat CVDs.
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Affiliation(s)
- Longhua Liu
- School of Kinesiology, Shanghai University of Sport, Shanghai, People's Republic of China.
| | - Zunhan Shi
- School of Kinesiology, Shanghai University of Sport, Shanghai, People's Republic of China
| | - Xiaohui Ji
- School of Kinesiology, Shanghai University of Sport, Shanghai, People's Republic of China
| | - Wenqian Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai, People's Republic of China
| | - Jinwen Luan
- School of Kinesiology, Shanghai University of Sport, Shanghai, People's Republic of China
| | - Tarik Zahr
- Department of Pharmacology, Columbia University, New York, NY, USA
| | - Li Qiang
- Department of Pathology and Cellular Biology and Naomi Berrie Diabetes Center, Columbia University, New York, NY, USA.
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11
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Terryn J, Verfaillie CM, Van Damme P. Tweaking Progranulin Expression: Therapeutic Avenues and Opportunities. Front Mol Neurosci 2021; 14:713031. [PMID: 34366786 PMCID: PMC8343103 DOI: 10.3389/fnmol.2021.713031] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 07/07/2021] [Indexed: 01/01/2023] Open
Abstract
Frontotemporal dementia (FTD) is a neurodegenerative disease, leading to behavioral changes and language difficulties. Heterozygous loss-of-function mutations in progranulin (GRN) induce haploinsufficiency of the protein and are associated with up to one-third of all genetic FTD cases worldwide. While the loss of GRN is primarily associated with neurodegeneration, the biological functions of the secreted growth factor-like protein are more diverse, ranging from wound healing, inflammation, vasculogenesis, and metabolic regulation to tumor cell growth and metastasis. To date, no disease-modifying treatments exist for FTD, but different therapeutic approaches to boost GRN levels in the central nervous system are currently being developed (including AAV-mediated GRN gene delivery as well as anti-SORT1 antibody therapy). In this review, we provide an overview of the multifaceted regulation of GRN levels and the corresponding therapeutic avenues. We discuss the opportunities, advantages, and potential drawbacks of the diverse approaches. Additionally, we highlight the therapeutic potential of elevating GRN levels beyond patients with loss-of-function mutations in GRN.
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Affiliation(s)
- Joke Terryn
- Department of Neurosciences, Experimental Neurology and Leuven Brain Institute (LBI), KU Leuven-University of Leuven, Leuven, Belgium.,Laboratory of Neurobiology, Center for Brain and Disease Research, VIB, Leuven, Belgium
| | - Catherine M Verfaillie
- Department of Development and Regeneration, Interdepartmental Stem Cell Institute, KU Leuven-University of Leuven, Leuven, Belgium
| | - Philip Van Damme
- Department of Neurosciences, Experimental Neurology and Leuven Brain Institute (LBI), KU Leuven-University of Leuven, Leuven, Belgium.,Laboratory of Neurobiology, Center for Brain and Disease Research, VIB, Leuven, Belgium.,Department of Neurology, University Hospitals Leuven, Leuven, Belgium
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12
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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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13
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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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14
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Liu C, Li J, Shi W, Zhang L, Liu S, Lian Y, Liang S, Wang H. Progranulin Regulates Inflammation and Tumor. Antiinflamm Antiallergy Agents Med Chem 2021; 19:88-102. [PMID: 31339079 PMCID: PMC7475802 DOI: 10.2174/1871523018666190724124214] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 06/09/2019] [Accepted: 06/10/2019] [Indexed: 12/15/2022]
Abstract
Progranulin (PGRN) mediates cell cycle progression and cell motility as a pleiotropic growth factor and acts as a universal regulator of cell growth, migration and transformation, cell cycle, wound healing, tumorigenesis, and cytotoxic drug resistance as a secreted glycoprotein. PGRN overexpression can induce the secretion of many inflammatory cytokines, such as IL-8, -6,-10, TNF-α. At the same time, this protein can promote tumor proliferation and the occurrence and development of many related diseases such as gastric cancer, breast cancer, cervical cancer, colorectal cancer, renal injury, neurodegeneration, neuroinflammatory, human atherosclerotic plaque, hepatocarcinoma, acute kidney injury, amyotrophic lateral sclerosis, Alzheimer’s disease and Parkinson’s disease. In short, PGRN plays a very critical role in injury repair and tumorigenesis, it provides a new direction for succeeding research and serves as a target for clinical diagnosis and treatment, thus warranting further investigation. Here, we discuss the potential therapeutic utility and the effect of PGRN on the relationship between inflammation and cancer.
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Affiliation(s)
- Chunxiao Liu
- Pathogenic Microbiology, Clinical Medical College, Weifang Medical University, Shandong 261053, China
| | - Jiayi Li
- Pathogenic Microbiology, Clinical Medical College, Weifang Medical University, Shandong 261053, China
| | - Wenjing Shi
- Department of Gynecology, Weifang Medical University Affiliated Hospital, Weifang, Shandong 261031, China
| | - Liujia Zhang
- Clinical Medical College, Weifang Medical University, Shandong 261053, China
| | - Shuang Liu
- Clinical Medical College, Weifang Medical University, Shandong 261053, China
| | - Yingcong Lian
- Clinical Medical College, Weifang Medical University, Shandong 261053, China
| | - Shujuan Liang
- Key Lab for Immunology in Universities of Shandong Province, Clinical Medical College, Weifang Medical University, Shandong 261053, China
| | - Hongyan Wang
- Pathogenic Microbiology, Clinical Medical College, Weifang Medical University, Shandong 261053, China
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15
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Progranulin Improves Acute Lung Injury through Regulating the Differentiation of Regulatory T Cells and Interleukin-10 Immunomodulation to Promote Macrophage Polarization. Mediators Inflamm 2020; 2020:9704327. [PMID: 32565732 PMCID: PMC7281846 DOI: 10.1155/2020/9704327] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 04/27/2020] [Accepted: 05/14/2020] [Indexed: 12/19/2022] Open
Abstract
Progranulin (PGRN), which plays an anti-inflammatory role in acute lung injury (ALI), is promising as a potential drug. Studies have shown that regulatory T cells (Tregs) and interleukin- (IL-) 10 can repress inflammation and alleviate tissue damage during ALI. In this study, we built a lipopolysaccharide- (LPS-) induced ALI mouse model to illustrate the effect of PGRN on regulation of Treg differentiation and modulation of IL-10 promoting macrophage polarization. We found that the proportion of Tregs in splenic mononuclear cells and peripheral blood mononuclear cells was higher after treatment with PGRN. The increased proportion of Tregs after PGRN intratracheal instillation was consistent with the decreased severity of lung injury, the reduction of proinflammatory cytokines, and the increase of anti-inflammatory cytokines. In vitro, the percentages of CD4+CD25+FOXP3+ Tregs from splenic naïve CD4+ T cells increased after PGRN treatment. In further research, it was found that PGRN can regulate the anti-inflammatory factor IL-10 and affect the polarization of M1/M2 macrophages by upregulating IL-10. These findings show that PGRN likely plays a protective role in ALI by promoting Treg differentiation and activating IL-10 immunomodulation.
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16
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Yoo W, Lee J, Noh KH, Lee S, Jung D, Kabir MH, Park D, Lee C, Kwon KS, Kim JS, Kim S. Progranulin attenuates liver fibrosis by downregulating the inflammatory response. Cell Death Dis 2019; 10:758. [PMID: 31591383 PMCID: PMC6779917 DOI: 10.1038/s41419-019-1994-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 08/12/2019] [Accepted: 08/26/2019] [Indexed: 12/29/2022]
Abstract
Progranulin (PGRN) is a cysteine-rich secreted protein expressed in endothelial cells, immune cells, neurons, and adipocytes. It was first identified for its growth factor-like properties, being implicated in tissue remodeling, development, inflammation, and protein homeostasis. However, these findings are controversial, and the role of PGRN in liver disease remains unknown. In the current study, we examined the effect of PGRN in two different models of chronic liver disease, methionine‐choline‐deficient diet (MCD)-induced non-alcoholic steatohepatitis (NASH) and carbon tetrachloride (CCl4)-induced liver fibrosis. To induce long-term expression of PGRN, PGRN-expressing adenovirus was delivered via injection into the tibialis anterior. In the CCl4-induced fibrosis model, PGRN showed protective effects against hepatic injury, inflammation, and fibrosis via inhibition of nuclear transcription factor kappa B (NF-κB) phosphorylation. PGRN also decreased lipid accumulation and inhibited pro-inflammatory cytokine production and fibrosis in the MCD-induced NASH model. In vitro treatment of primary macrophages and Raw 264.7 cells with conditioned media from hepatocytes pre-treated with PGRN prior to stimulation with tumor necrosis factor (TNF)-α or palmitate decreased their expression of pro-inflammatory genes. Furthermore, PGRN suppressed inflammatory and fibrotic gene expression in a cell culture model of hepatocyte injury and primary stellate cell activation. These observations increase our understanding of the role of PGRN in liver injury and suggest PGRN delivery as a potential therapeutic strategy in chronic inflammatory liver disease.
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Affiliation(s)
- Wonbeak Yoo
- Environmental Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Jaemin Lee
- Industrial Bio-Materials Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Kyung Hee Noh
- Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Sangmin Lee
- Industrial Bio-Materials Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Dana Jung
- Industrial Bio-Materials Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Mohammad Humayun Kabir
- Center for Theragnosis, Korea Institute of Science and Technology, Seoul, 02792, Korea.,Incepta Vaccine Limited, Dhamrai, Kalampur, Dhaka, 1351, Bangladesh
| | - Dongmin Park
- Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Cheolju Lee
- Center for Theragnosis, Korea Institute of Science and Technology, Seoul, 02792, Korea
| | - Ki-Sun Kwon
- Aging Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Korea
| | - Ji-Su Kim
- National Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology, Jeonbuk, 56212, Republic of Korea.
| | - Seokho Kim
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, 49315, Republic of Korea.
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17
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Klemm P, Assmann G, Preuss KD, Fadle N, Regitz E, Martin T, Pfreundschuh M, Thurner L. Progranulin autoantibodies in systemic sclerosis and autoimmune connective tissue disorders: A preliminary study. IMMUNITY INFLAMMATION AND DISEASE 2019; 7:271-275. [PMID: 31502765 PMCID: PMC6842819 DOI: 10.1002/iid3.270] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 08/20/2019] [Accepted: 08/27/2019] [Indexed: 12/13/2022]
Abstract
OBJECTIVE The present study aimed to investigate progranulin autoantibodies in systemic sclerosis and autoimmune connective tissue disorders. Progranulin is a physiologic tumor necrosis factor (TNF) antagonist. Progranulin antibodies decrease progranulin levels. METHODS Serum samples of 123 patients with systemic sclerosis and various autoimmune connective tissue disorders (Sjoegren's syndrome [SjS], mixed connective tissue disorder, polymyositis [PM] and dermatomyositis [DM], antiphospholipid syndrome [APLS], and undifferentiated connective tissue disease [UCTD]) were tested for progranulin antibodies using enzyme-linked immunosorbent assay. RESULTS Progranulin antibodies were found in 34 of 123 (27.6%) patients at least once during their disease. In detail, 2 of 8 (25%) patients with limited cutaneous systemic sclerosis, 10 of 31 (32.3%) patients with diffuse cutaneous systemic sclerosis, 9 of 22 (40.9%) patients with SjS, 1 of 3 (33.33%) patients with mixed connective tissue disease, 4 of 33 (12.1%) patients with DM or PM, 6 of 15 (40%) patients with APLS, and 2 of 11 (18.2%) patients with UCTD were positive for progranulin antibodies during the course of disease. CONCLUSIONS Progranulin antibodies are frequently present in patients with systemic sclerosis and other autoimmune connective tissue disorders. Despite the lack of specificity for a given autoimmune disease, progranulin antibodies might not only indicate a potential subtype but also play a pathogenic role in patients with autoimmune connective disorders. Given the important role of TNF-α in inflammatory processes in autoimmune connective tissue disorders, progranulin antibodies might support the proinflammatory environment by neutralizing the TNF blocker progranulin.
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Affiliation(s)
- Philipp Klemm
- Saarland University Medical School, José Carreras Center for Immuno- and Gene Therapy and Internal Medicine I, Homburg/Saar, Germany.,Department of Rheumatology and Immunology, Justus Liebig University Gießen, Campus Kerckhoff, Bad Nauheim, Germany
| | - Gunter Assmann
- Saarland University Medical School, José Carreras Center for Immuno- and Gene Therapy and Internal Medicine I, Homburg/Saar, Germany
| | - Klaus-Dieter Preuss
- Saarland University Medical School, José Carreras Center for Immuno- and Gene Therapy and Internal Medicine I, Homburg/Saar, Germany
| | - Natalie Fadle
- Saarland University Medical School, José Carreras Center for Immuno- and Gene Therapy and Internal Medicine I, Homburg/Saar, Germany
| | - Evi Regitz
- Saarland University Medical School, José Carreras Center for Immuno- and Gene Therapy and Internal Medicine I, Homburg/Saar, Germany
| | - Thierry Martin
- CNRS, UPR3572, IBMC, Hopitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France
| | - Michael Pfreundschuh
- Saarland University Medical School, José Carreras Center for Immuno- and Gene Therapy and Internal Medicine I, Homburg/Saar, Germany
| | - Lorenz Thurner
- Saarland University Medical School, José Carreras Center for Immuno- and Gene Therapy and Internal Medicine I, Homburg/Saar, Germany
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18
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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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19
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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: 46] [Impact Index Per Article: 9.2] [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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20
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Liu L, Qu Y, Liu Y, Zhao H, Ma HC, Noor AF, Ji CJ, Nie L, Si M, Cheng L. Atsttrin reduces lipopolysaccharide-induced neuroinflammation by inhibiting the nuclear factor kappa B signaling pathway. Neural Regen Res 2019; 14:1994-2002. [PMID: 31290458 PMCID: PMC6676886 DOI: 10.4103/1673-5374.259623] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Progranulin is closely related to neuronal survival in a neuroinflammatory mouse model and attenuates inflammatory reactions. Atsttrin is an engineered protein composed of three progranulin fragments and has been shown to have an effect similar to that of progranulin. Atsttrin has anti-inflammatory actions in multiple arthritis mouse models, and it protects against further arthritis development. However, whether Atsttrin has a role in neuroinflammation remains to be elucidated. In this study, we produced a neuroinflammatory mouse model by intracerebroventricular injection of 1 μL lipopolysaccharide (10 μg/μL). Atsttrin (2.5 mg/kg) was administered via intraperitoneal injection every 3 days over a period of 7 days before intracerebroventricular injection of 1 μL lipopolysaccharide (10 μg/μL). In addition, astrocyte cultures were treated with 0, 100 or 300 ng/mL lipopolysaccharide, with 200 ng/mL Atsttrin simultaneously. Immunohistochemistry, enzyme-linked immunosorbent assay and real-time reverse transcription-polymerase chain reaction were performed to examine the protein and mRNA levels of inflammatory mediators and to assess activation of the nuclear factor kappa B signaling pathway. Progranulin expression in the brain of wild-type mice and in astrocyte cultures was increased after lipopolysaccharide administration. The protein and mRNA expression levels of tumor necrosis factor-α, interleukin-1β and inducible nitric oxide synthase were increased in the brain of progranulin knockout mice after lipopolysaccharide administration. Atsttrin treatment reduced the lipopolysaccharide-induced increase in the protein and mRNA levels of tumor necrosis factor-α, interleukin-1β, matrix metalloproteinase-3 and inducible nitric oxide synthase in the brain of progranulin knockout mice. Atsttrin also reduced the expression of cyclooxygenase-2, inducible nitric oxide synthase and matrix metalloproteinase 3 mRNA in lipopolysaccharide-treated astrocytes in vitro, and decreased the concentration of tumor necrosis factor a and interleukin-1β in the supernatant. Furthermore, Atsttrin significantly reduced the levels of phospho-nuclear factor kappa B inhibitor a in the brain of lipopolysaccharide-treated progranulin knockout mice and astrocytes, and it decreased the expression of nuclear factor kappa B2 in astrocytes. Collectively, our findings show that the anti-neuroinflammatory effect of Atsttrin involves inhibiton of the nuclear factor kappa B signaling pathway, and they suggest that Atsttrin may have clinical potential in neuroinflammatory therapy. The study was approved by the Animal Ethics Committee of Qilu Hospital of Shandong University, China (approval No. KYLL-2015(KS)-088) on February 10, 2015.
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Affiliation(s)
- Lian Liu
- Department of Orthopedics, Qilu Hospital of Shandong University; Department of Orthopedics, Qilu Children's Hospital of Shandong University, Jinan, Shandong Province, China
| | - Yuan Qu
- Department of Hand Surgery, the Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Yi Liu
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, Shandong Province, China
| | - Hua Zhao
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, Shandong Province, China
| | - He-Cheng Ma
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, Shandong Province, China
| | - Ahmed Fayyaz Noor
- Department of Chemistry, University of Massachusetts Lowell, Lowell, MA, USA
| | - Chang-Jiao Ji
- Department of Orthopedics, the Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong Province, China
| | - Lin Nie
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, Shandong Province, China
| | - Meng Si
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, Shandong Province, China
| | - Lei Cheng
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, Shandong Province, China
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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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Dastpeyman M, Bansal PS, Wilson D, Sotillo J, Brindley PJ, Loukas A, Smout MJ, Daly NL. Structural Variants of a Liver Fluke Derived Granulin Peptide Potently Stimulate Wound Healing. J Med Chem 2018; 61:8746-8753. [PMID: 30183294 DOI: 10.1021/acs.jmedchem.8b00898] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Granulins are a family of growth factors involved in cell proliferation. The liver-fluke granulin, Ov-GRN-1, isolated from a carcinogenic liver fluke Opisthorchis viverrini, can significantly accelerate wound repair in vivo and in vitro. However, it is difficult to express Ov-GRN-1 in recombinant form at high yield, impeding its utility as a drug lead. Previously we reported that a truncated analogue ( Ov-GRN12-35_3s) promotes healing of cutaneous wounds in mice. NMR analysis of this analogue indicates the presence of multiple conformations, most likely as a result of proline cis/ trans isomerization. To further investigate whether the proline residues are involved in adopting the multiple confirmations, we have synthesized analogues involving mutation of the proline residues. We have shown that the proline residues have a significant influence on the structure, activity, and folding of Ov-GRN12-35_3s. These results provide insight into improving the oxidative folding yield and bioactivity of Ov-GRN12-35_3s and might facilitate the development of a novel wound healing agent.
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Affiliation(s)
- Mohadeseh Dastpeyman
- Centre for Biodiscovery and Molecular Development of Therapeutics, Australian Institute of Tropical Health and Medicine , James Cook University , Cairns , QLD 4870 , Australia
| | - Paramjit S Bansal
- Centre for Biodiscovery and Molecular Development of Therapeutics, Australian Institute of Tropical Health and Medicine , James Cook University , Cairns , QLD 4870 , Australia
| | - David Wilson
- Centre for Biodiscovery and Molecular Development of Therapeutics, Australian Institute of Tropical Health and Medicine , James Cook University , Cairns , QLD 4870 , Australia
| | - Javier Sotillo
- Centre for Biodiscovery and Molecular Development of Therapeutics, Australian Institute of Tropical Health and Medicine , James Cook University , Cairns , QLD 4870 , Australia
| | - Paul J Brindley
- Department of Microbiology, Immunology and Tropical Medicine, and Research Center for Neglected Diseases of Poverty, School of Medicine and Health Sciences , George Washington University , Washington, D.C. 20052 , United States
| | - Alex Loukas
- Centre for Biodiscovery and Molecular Development of Therapeutics, Australian Institute of Tropical Health and Medicine , James Cook University , Cairns , QLD 4870 , Australia
| | - Michael J Smout
- Centre for Biodiscovery and Molecular Development of Therapeutics, Australian Institute of Tropical Health and Medicine , James Cook University , Cairns , QLD 4870 , Australia
| | - Norelle L Daly
- Centre for Biodiscovery and Molecular Development of Therapeutics, Australian Institute of Tropical Health and Medicine , James Cook University , Cairns , QLD 4870 , Australia
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Chen X, Liu J, Zhu M, Hu B, Bai F, Jin W, Zhou J, Chen C, Song Y, Pan J. Progranulin is a novel biomarker for predicting an acute exacerbation of chronic obstructive pulmonary disease. CLINICAL RESPIRATORY JOURNAL 2018; 12:2525-2533. [PMID: 30099848 DOI: 10.1111/crj.12952] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 05/14/2018] [Accepted: 07/30/2018] [Indexed: 01/13/2023]
Abstract
BACKGROUND Progranulin is a pleiotropic glycosylated protein precursor that plays an important role in inflammation. Limited data exist regarding the role of progranulin in the acute exacerbation of chronic obstructive pulmonary disease (AECOPD). OBJECTIVES The study is to assess the efficiency of progranulin as a circulating biomarker of AECOPD. METHODS The plasma progranulin levels were measured and compared in patients with AECOPD (n = 52), patients with stable COPD (n = 56), and healthy controls (n = 36). In patients with AECOPD, plasma progranulin levels were measured repeatedly on the last day of hospitalization. Demographical data, pulmonary function, and laboratory parameters were recorded. RESULTS Patients with AECOPD had higher plasma progranulin levels than both stable COPD patients and healthy controls (158.77 ± 48.17, 109.00 ± 25.05, 93.67 ± 14.71 ng/mL, respectively; P < .001). In patients with AECOPD, the plasma progranulin levels significantly decreased on the last day of hospitalization compared with those on the first day of hospitalization (138.51 ± 44.68 vs. 158.77 ± 48.17 ng/mL, P = .042). The progranulin levels were negatively correlated to FEV1%pred but positively correlated to neutrophil-to-lymphocyte ratio and C-reactive protein in all patients with COPD. Multivariate logistic regression and ROC analysis revealed progranulin (odds ratio 1.05, 95% confidence interval 1.03-1.08, P < .001) as an independent predictor of AECOPD, with an area under the curve of 0.82. CONCLUSIONS Progranulin may be a valuable blood biomarker of AECOPD and progranulin may be involved in the pathogenesis of AECOPD by disturbing inflammatory responses.
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Affiliation(s)
- Xiaoyan Chen
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University and Shanghai Respiratory Research Institute, Shanghai, P.R. China
| | - Jinguo Liu
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University and Shanghai Respiratory Research Institute, Shanghai, P.R. China
| | - Mengchan Zhu
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University and Shanghai Respiratory Research Institute, Shanghai, P.R. China
| | - Bijie Hu
- Department of Infectious Diseases, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Fengxi Bai
- Department of Pulmonary Medicine, Henan Provincial Chest Hospital, He Nan, P.R. China
| | - Wenting Jin
- Department of Infectious Diseases, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
| | - Jian Zhou
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University and Shanghai Respiratory Research Institute, Shanghai, P.R. China
| | - Cuicui Chen
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University and Shanghai Respiratory Research Institute, Shanghai, P.R. China
| | - Yuanlin Song
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University and Shanghai Respiratory Research Institute, Shanghai, P.R. China
| | - Jue Pan
- Department of Infectious Diseases, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
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Nicoletto BB, Sarmento RA, Pedrollo EF, Krolikowski TC, Canani LH. Association between progranulin serum levels and dietary intake. PLoS One 2018; 13:e0202149. [PMID: 30118483 PMCID: PMC6097684 DOI: 10.1371/journal.pone.0202149] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 07/27/2018] [Indexed: 12/15/2022] Open
Abstract
INTRODUCTION Progranulin (PGRN) is secreted by adipose tissue and has been linked to obesity, insulin resistance and type 2 diabetes mellitus. There is evidence that a high fat diet increases PGRN expression in rodent adipose tissue. In humans, the relationship between diet composition and concentration of PGRN is still unknown. OBJECTIVE To investigate the association between dietary intake and serum PGRN levels. METHODS This is an exploratory cross-sectional study including 85 subjects. Demographic, clinical, laboratory and anthropometric data were collected. Serum PGRN was determined by enzyme-linked immunosorbent assay after overnight fasting. Dietary intake was assessed by food frequency questionnaire validated for Brazilian southern population. Focused principal component analyses (FPCA) was used to verify the association of dietary components and food groups with PGRN levels. Sensitivity analyses were performed including only subjects with reporting according to the Goldberg and Black cut-offs of energy intake-energy expenditure ratio between 0.76 and 1.24. RESULTS The median PGRN was 51.96 (42.18 to 68.30) ng/mL. Analyzing all sample, the FPCA showed no association of serum PGRN with total energy, protein, carbohydrate, fat and its types, fiber intake and dietary glycemic index; but a significant and positive association between solid fats and PGRN levels (p<0.05). Including only subjects with reporting according cut-off of energy intake-energy expenditure ratio between 0.76 and 1.24, FCPA showed significant and positive association of serum PGRN with saturated fatty acids and solid fats intake (p<0.05). In this subgroup, PGRN correlated with saturated fatty acids (r = 0.341; p = 0.031). Solid fats intake was independently associated to serum PGRN (beta = 0.294; p = 0.004) in multivariate model. CONCLUSION The dietary intake of solid fats, mainly represented by saturated fatty acids, is associated to serum PGRN concentration in human subjects.
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Affiliation(s)
- Bruna Bellincanta Nicoletto
- Post Graduate Medical Sciences Program: Endocrinology, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
- Nutrition Course, Área do Conhecimento de Ciências da Vida, Universidade de Caxias do Sul (UCS), Caxias do Sul, Brazil
| | - Roberta Aguiar Sarmento
- Post Graduate Medical Sciences Program: Endocrinology, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Elis Forcellini Pedrollo
- Post Graduate Medical Sciences Program: Endocrinology, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Thaiana Cirino Krolikowski
- Nutrition Course, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Luis Henrique Canani
- Post Graduate Medical Sciences Program: Endocrinology, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
- Division of Endocrinology, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
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Lang I, Füllsack S, Wajant H. Lack of Evidence for a Direct Interaction of Progranulin and Tumor Necrosis Factor Receptor-1 and Tumor Necrosis Factor Receptor-2 From Cellular Binding Studies. Front Immunol 2018; 9:793. [PMID: 29740434 PMCID: PMC5925078 DOI: 10.3389/fimmu.2018.00793] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 03/29/2018] [Indexed: 12/16/2022] Open
Abstract
Progranulin (PGRN) is a secreted anti-inflammatory protein which can be processed by neutrophil proteases to various granulins. It has been reported that at least a significant portion of the anti-inflammatory effects of PGRN is due to direct high affinity binding to tumor necrosis factor receptor-1 (TNFR1) and TNFR2 and inhibition of tumor necrosis factor (TNF)-induced TNFR1/2 signaling. Two studies failed to reproduce the interaction of TNFR1 and TNFR2 with PGRN, but follow up reports speculated that this was due to varying experimental circumstances and/or the use of PGRN from different sources. However, even under consideration of these speculations, there is still a striking discrepancy in the literature between the concentrations of PGRN needed to inhibit TNF signaling and the concentrations required to block TNF binding to TNFR1 and TNFR2. While signaling events induced by 0.2–2 nM of TNF have been efficiently inhibited by low, near to equimolar concentrations (0.5–2.5 nM) of PGRN in various studies, the reported inhibitory effects of PGRN on TNF-binding to TNFR1/2 required a huge excess of PGRN (100–1,000-fold). Therefore, we investigated the effect of PGRN on TNF binding to TNFR1 and TNFR2 in highly sensitive cellular binding studies. Unlabeled TNF inhibited >95% of the specific binding of a Gaussia princeps luciferase (GpL) fusion protein of TNF to TNFR1 and TNFR2 and blocked binding of soluble GpL fusion proteins of TNFR1 and TNFR2 to membrane TNF expressing cells to >95%, too. Purified PGRN, however, showed in both assays no effect on TNF–TNFR1/2 interaction even when applied in huge excess. To rule out that tags and purification- or storage-related effects compromise the potential ability of PGRN to bind TNF receptors, we directly co-expressed PGRN, and as control TNF, in TNFR1- and TNFR2-expressing cells and looked for binding of GpL-TNF. While expression of TNF strongly inhibited binding of GpL-TNF to TNFR1/2, co-expression of PGRN had not effect on the ability of the TNFR1/2-expressing cells to bind TNF.
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Affiliation(s)
- Isabell Lang
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital of Würzburg, Würzburg, Germany
| | - Simone Füllsack
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital of Würzburg, Würzburg, Germany
| | - Harald Wajant
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital of Würzburg, Würzburg, Germany
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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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Nicoletto BB, Pedrollo EF, Carpes LS, Coloretti NG, Krolikowski TC, Souza GC, Gonçalves LFS, Manfro RC, Canani LH. Progranulin serum levels in human kidney transplant recipients: A longitudinal study. PLoS One 2018; 13:e0192959. [PMID: 29499059 PMCID: PMC5834191 DOI: 10.1371/journal.pone.0192959] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 02/01/2018] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND The adipokine progranulin has metabolic proprieties, playing a role in obesity and insulin resistance. Its levels seems to be dependent of renal function, since higher progranulin concentration is observed in patients with end-stage kidney disease. However, the effect of kidney transplantation on progranulin remains unknown. OBJECTIVE To assess the serum progranulin levels in kidney transplant recipients before and after kidney transplantation. METHODS Forty-six prospective kidney transplant recipients were included in this longitudinal study. They were evaluated before transplantation and at three and twelve months after transplantation. Clinical, anthropometric and laboratorial measurements were assessed. Progranulin was determined with enzyme-linked immunosorbent assays. RESULTS Serum progranulin significantly decreased in the early period after transplantation (from 72.78 ± 2.86 ng/mL before transplantation to 40.65 ± 1.49 ng/mL at three months; p<0.01) and increased at one year (53.15 ± 2.55 ng/mL; p<0.01 vs. three months), remaining significantly lower than before transplantation (p<0.01) (pover time<0.01). At one year after transplantation, there was a significant increase in body mass index, trunk fat and waist circumference compared to immediate period after transplantation. Progranulin was associated with waist circumference and fasting plasma glucose after adjusted for age, gender, study period, glomerular filtration rate, interleukin-6, high sensitivity C reactive protein and adiponectin. CONCLUSION Progranulin serum levels are increased before transplantation and a reduction is observed in the early period after transplantation, possibly attributed to an improvement in renal function. At one year after transplantation, an increment in progranulin is observed, seems to be independent of glomerular filtration, and remained significantly lower than before transplantation.
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Affiliation(s)
- Bruna Bellincanta Nicoletto
- Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
- Life Science Knowledge Area, Universidade de Caxias do Sul (UCS), Caxias do Sul, Brazil
| | | | - Larissa Salomoni Carpes
- Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Natália Gomes Coloretti
- Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | | | - Gabriela Corrêa Souza
- Department of Nutrition, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | | | | | - Luis Henrique Canani
- Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
- Division of Endocrinology, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
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Growth factor progranulin promotes tumorigenesis of cervical cancer via PI3K/Akt/mTOR signaling pathway. Oncotarget 2018; 7:58381-58395. [PMID: 27517315 PMCID: PMC5295437 DOI: 10.18632/oncotarget.11126] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 07/26/2016] [Indexed: 11/25/2022] Open
Abstract
Progranulin (PGRN) is an autocrine growth factor with tumorigenic roles in various tumors including cervical cancer. In this study, we investigated mammalian target of rapamycin (mTOR) signaling in response to PGRN induction and the contribution of the PGRN-stimulated PI3K/Akt/mTOR signaling pathway in the transformation and progression of cervical cancer. Here we identified a strong linkage between PGRN and phosphorylated-mTOR in cervical cancer tissues. PGRN promoted the phosphorylation of mTOR and activated mTOR signaling in human cervical mucosa epithelial cells and cervical cancer cells, and TNFR2 was needed for PGRN-stimulated mTOR signaling. Inhibition of mTOR signaling with rapamycin decreased PGRN-stimulated protein synthesis, transformation and proliferation of cervical cells in vitro, and tumor formation and growth in vivo. Thus, our findings update the signal transduction pathways of PGRN by suggesting that mTOR signaling contributes to PGRN-stimulated carcinogenesis of cervical cancer. Inhibition of PGRN/PI3K/Akt/mTOR signaling may be targeted in treatment of cervical cancer.
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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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Abstract
Cancer cells have defects in regulatory mechanisms that usually control cell proliferation and homeostasis. Different cancer cells share crucial alterations in cell physiology, which lead to malignant growth. Tumorigenesis or tumor growth requires a series of events that include constant cell proliferation, promotion of metastasis and invasion, stimulation of angiogenesis, evasion of tumor suppressor factors, and avoidance of cell death pathways. All these events in tumor progression may be regulated by growth factors produced by normal or malignant cells. The growth factor progranulin has significant biological effects in different types of cancer. This protein is a regulator of tumorigenesis because it stimulates cell proliferation, migration, invasion, angiogenesis, malignant transformation, resistance to anticancer drugs, and immune evasion. This review focuses on the biological effects of progranulin in several cancer models and provides evidence that this growth factor should be considered as a potential biomarker and target in cancer treatment.
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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: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Wauters E, Van Mossevelde S, Van der Zee J, Cruts M, Van Broeckhoven C. Modifiers of GRN-Associated Frontotemporal Lobar Degeneration. Trends Mol Med 2017; 23:962-979. [PMID: 28890134 DOI: 10.1016/j.molmed.2017.08.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Revised: 08/12/2017] [Accepted: 08/15/2017] [Indexed: 12/13/2022]
Abstract
Heterozygous loss-of-function (LOF) mutations in the human progranulin gene (GRN) cause frontotemporal lobar degeneration (FTLD) by a mechanism of haploinsufficiency. Patients present most frequently with frontotemporal dementia, which is the second most common neurodegenerative dementia at young age. Currently, no disease-modifying therapies are available for these patients. Stimulating GRN protein expression or inhibiting its breakdown is an obvious therapeutic strategy, and is indeed the focus of current preclinical research and clinical trials. Multiple studies have demonstrated the heterogeneity in clinical presentation and wide variability in age of onset in patients carrying a GRN LOF mutation. Recently, this heterogeneity became an opportunity to identify disease modifiers, considering that these might constitute suitable targets for developing disease-modifying or disease-delaying therapies.
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Affiliation(s)
- Eline Wauters
- Neurodegenerative Brain Diseases, Center for Molecular Neurology, VIB, Antwerp, Belgium; Laboratory of Neurogenetics, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium
| | - Sara Van Mossevelde
- Neurodegenerative Brain Diseases, Center for Molecular Neurology, VIB, Antwerp, Belgium; Laboratory of Neurogenetics, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium; Department of Neurology and Memory Clinic, Hospital Network Antwerp Middelheim and Hoge Beuken, Antwerp, Belgium; Department of Neurology, Antwerp University Hospital, Edegem, Belgium
| | - Julie Van der Zee
- Neurodegenerative Brain Diseases, Center for Molecular Neurology, VIB, Antwerp, Belgium; Laboratory of Neurogenetics, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium
| | - Marc Cruts
- Neurodegenerative Brain Diseases, Center for Molecular Neurology, VIB, Antwerp, Belgium; Laboratory of Neurogenetics, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium
| | - Christine Van Broeckhoven
- Neurodegenerative Brain Diseases, Center for Molecular Neurology, VIB, Antwerp, Belgium; Laboratory of Neurogenetics, Institute Born-Bunge, University of Antwerp, Antwerp, Belgium.
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PGRN Suppresses Inflammation and Promotes Autophagy in Keratinocytes Through the Wnt/β-Catenin Signaling Pathway. Inflammation 2017; 39:1387-94. [PMID: 27239673 DOI: 10.1007/s10753-016-0370-y] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Psoriasis is a chronic, immune-mediated inflammatory skin disease that has a major impact on patients' quality of life. Progranulin (PGRN) is highly expressed in skin diseases and plays an important role in inflammation response and autophagy. However, the function of PGRN in the immune system and autophagy in psoriasis has not been clearly identified and elaborated on. Thus, this study aimed to investigate the role of PGRN on the inflammatory and autophagy process underlying inflammation in HaCaT cells. We showed that PGRN was markedly highly expressed in psoriasis lesions and inflammatory HaCaT cells. Specific silencing of PGRN promoted the production of the inflammatory cytokines IL-1β, IL-6, COX-2, iNOs, and MCP-1. Furthermore, PGRN siRNA promoted autophagy-related gene p62 and suppressed LC3II and Atg7 in HaCaT cells, while overexpression of PGRN showed a contrary effect. Moreover, knockdown of PGRN upregulated the expression levels of β-catenin, cyclin D1, and c-myc proteins. Finally, we demonstrated that IWP-2, an inhibitor of the Wnt/β-catenin signaling pathway, stemmed the pro-inflammatory and anti-autophagy effect of PGRN siRNA in TNF-α-treated HaCaT cells. Collectively, our findings suggest that PGRN is upregulated in psoriasis lesions and that the overexpression of PGRN inhibits the inflammation in keratinocytes induced by TNF-α by negatively regulating the production of inflammatory factors and positively mediating autophagy through the Wnt/β-catenin signaling pathway; this indicated that overexpression of PGRN may be a potential therapeutic option in psoriasis.
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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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Neill T, Buraschi S, Goyal A, Sharpe C, Natkanski E, Schaefer L, Morrione A, Iozzo RV. EphA2 is a functional receptor for the growth factor progranulin. J Cell Biol 2016; 215:687-703. [PMID: 27903606 PMCID: PMC5146997 DOI: 10.1083/jcb.201603079] [Citation(s) in RCA: 98] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 08/12/2016] [Accepted: 10/19/2016] [Indexed: 01/03/2023] Open
Abstract
The receptor for the growth factor progranulin has remained unclear. Neill et al. show that the Ephrin receptor tyrosine kinase EphA2 is a functional signaling receptor for progranulin and mediates its effects in capillary morphogenesis and autoregulation. Although the growth factor progranulin was discovered more than two decades ago, the functional receptor remains elusive. Here, we discovered that EphA2, a member of the large family of Ephrin receptor tyrosine kinases, is a functional signaling receptor for progranulin. Recombinant progranulin bound with high affinity to EphA2 in both solid phase and solution. Interaction of progranulin with EphA2 caused prolonged activation of the receptor, downstream stimulation of mitogen-activated protein kinase and Akt, and promotion of capillary morphogenesis. Furthermore, we found an autoregulatory mechanism of progranulin whereby a feed-forward loop occurred in an EphA2-dependent manner that was independent of the endocytic receptor sortilin. The discovery of a functional signaling receptor for progranulin offers a new avenue for understanding the underlying mode of action of progranulin in cancer progression, tumor angiogenesis, and perhaps neurodegenerative diseases.
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Affiliation(s)
- Thomas Neill
- Department of Pathology, Anatomy, and Cell Biology, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107.,Cancer Cell Biology and Signaling Program, Sidney Kimmel Cancer Center, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107
| | - Simone Buraschi
- Department of Pathology, Anatomy, and Cell Biology, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107.,Cancer Cell Biology and Signaling Program, Sidney Kimmel Cancer Center, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107
| | - Atul Goyal
- Department of Pathology, Anatomy, and Cell Biology, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107.,Cancer Cell Biology and Signaling Program, Sidney Kimmel Cancer Center, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107
| | - Catherine Sharpe
- Department of Pathology, Anatomy, and Cell Biology, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107.,Cancer Cell Biology and Signaling Program, Sidney Kimmel Cancer Center, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107
| | - Elizabeth Natkanski
- Department of Pathology, Anatomy, and Cell Biology, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107.,Cancer Cell Biology and Signaling Program, Sidney Kimmel Cancer Center, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107
| | - Liliana Schaefer
- Institute of Pharmacology and Toxicology, Goethe University, Frankfurt am Main 60323, Germany
| | - Andrea Morrione
- Department of Urology, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107.,Biology of Prostate Cancer Program, Sidney Kimmel Cancer Center, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107
| | - Renato V Iozzo
- Department of Pathology, Anatomy, and Cell Biology, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107 .,Cancer Cell Biology and Signaling Program, Sidney Kimmel Cancer Center, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107
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Menzel L, Kleber L, Friedrich C, Hummel R, Dangel L, Winter J, Schmitz K, Tegeder I, Schäfer MKE. Progranulin protects against exaggerated axonal injury and astrogliosis following traumatic brain injury. Glia 2016; 65:278-292. [DOI: 10.1002/glia.23091] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 10/04/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Lutz Menzel
- Department of Anesthesiology; University Medical Center, Johannes Gutenberg-University, Mainz; Germany
| | - Lisa Kleber
- Department of Anesthesiology; University Medical Center, Johannes Gutenberg-University, Mainz; Germany
| | - Carina Friedrich
- Department of Anesthesiology; University Medical Center, Johannes Gutenberg-University, Mainz; Germany
| | - Regina Hummel
- Department of Anesthesiology; University Medical Center, Johannes Gutenberg-University, Mainz; Germany
| | - Larissa Dangel
- Department of Anesthesiology; University Medical Center, Johannes Gutenberg-University, Mainz; Germany
| | - Jennifer Winter
- Institute of Human Genetics, University Medical Center, Johannes Gutenberg-University, Mainz; Germany
- Focus Program Translational Neurosciences (FTN) of the Johannes Gutenberg-University, Mainz; Germany
| | - Katja Schmitz
- Clinical Pharmacology; Goethe-University Hospital; Frankfurt Germany
| | - Irmgard Tegeder
- Clinical Pharmacology; Goethe-University Hospital; Frankfurt Germany
| | - Michael K. E. Schäfer
- Department of Anesthesiology; University Medical Center, Johannes Gutenberg-University, Mainz; Germany
- Focus Program Translational Neurosciences (FTN) of the Johannes Gutenberg-University, Mainz; Germany
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Wei J, Hettinghouse A, Liu C. The role of progranulin in arthritis. Ann N Y Acad Sci 2016; 1383:5-20. [PMID: 27505256 DOI: 10.1111/nyas.13191] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 06/28/2016] [Accepted: 07/07/2016] [Indexed: 12/11/2022]
Abstract
Progranulin (PGRN) is a growth factor with a unique beads-on-a-string structure that is involved in multiple pathophysiological processes, including anti-inflammation, tissue repair, wound healing, neurodegenerative diseases, and tumorigenesis. This review presents up-to-date information concerning recent studies on the role of PGRN in inflammatory arthritis and osteoarthritis, with a special focus on the involvement of the interactions and interplay between PGRN and tumor necrosis factor receptor (TNFR) family members in regulating such musculoskeletal diseases. In addition, this paper highlights the applications of atsttrin, an engineered protein comprising three TNFR-binding fragments of PGRN, as a promising intervention in treating arthritis.
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Affiliation(s)
- Jianlu Wei
- Department of Orthopaedic Surgery, New York University Medical Center, New York, New York.,Department of Orthopaedic Surgery, Medical School of Shandong University, Jinan, Shandong, China
| | - Aubryanna Hettinghouse
- Department of Orthopaedic Surgery, New York University Medical Center, New York, New York
| | - Chuanju 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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Mundra JJ, Jian J, Bhagat P, Liu CJ. Progranulin inhibits expression and release of chemokines CXCL9 and CXCL10 in a TNFR1 dependent manner. Sci Rep 2016; 6:21115. [PMID: 26892362 PMCID: PMC4759551 DOI: 10.1038/srep21115] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Accepted: 01/18/2016] [Indexed: 12/16/2022] Open
Abstract
Progranulin (PGRN), a pleiotrophic growth factor, is known to play an important role in the maintenance and regulation of the homeostatic dynamics of normal tissue development, proliferation, regeneration, and host-defense. PGRN also has potent anti-inflammatory functionality, and deregulated PGRN is associated with rheumatoid arthritis and inflammatory bowel disease. We have previously reported that PGRN directly binds to TNFR and significantly enhances Treg population and stimulates IL-10 production. To further investigate PGRN's function in the immune system we performed a gene array analysis on CD4+ T cells from wild type B6 mice and PGRN -/- mice. We identified many chemokines and their receptors, among which CXCL9 and CXCL10 were most prominent, that were significantly induced in PGRN null mice. Administration of recombinant PGRN protein strongly inhibited TNF and IFN-γ-induced CXCL9 and CXCL10 expression. In addition, CXCL9 expression is strongly upregulated in PGRN KO mice and its level is correlated with severity of inflammation in a dermatitis model. Further, we have demonstrated that PGRN-mediated inhibition of chemokine expression largely depends on TNFR1. Taken together, this study provides new insights into the mechanisms underlying PGRN mediated regulation of various inflammatory and autoimmune diseases.
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Affiliation(s)
- Jyoti Joshi Mundra
- Department of Orthopaedic Surgery, New York University School of Medicine, New York, NY10003, USA
| | - Jinlong Jian
- Department of Orthopaedic Surgery, New York University School of Medicine, New York, NY10003, USA
| | - Priyal Bhagat
- Touro College of Medicine New York, New York 10016, USA
| | - Chuan-Ju Liu
- Department of Orthopaedic Surgery, New York University School of Medicine, New York, NY10003, USA.,Department of Cell Biology, New York University School of Medicine, New York, New York 10016, USA
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Progranulin suppresses titanium particle induced inflammatory osteolysis by targeting TNFα signaling. Sci Rep 2016; 6:20909. [PMID: 26864916 PMCID: PMC4750042 DOI: 10.1038/srep20909] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Accepted: 01/13/2016] [Indexed: 12/23/2022] Open
Abstract
Aseptic loosening is a major complication of prosthetic joint surgery, characterized by chronic inflammation, pain, and osteolysis surrounding the bone-implant interface. Progranulin (PGRN) is known to have anti-inflammatory action by binding to Tumor Necrosis Factor (TNF) receptors and antagonizing TNFα. Here we report that titanium particles significantly induced PGRN expression in RAW264.7 cells and also in a mouse air-pouch model of inflammation. PGRN-deficiency enhanced, whereas administration of recombinant PGRN effectively inhibited, titanium particle-induced inflammation in an air pouch model. In addition, PGRN also significantly inhibited titanium particle-induced osteoclastogenesis and calvarial osteolysis in vitro, ex vivo and in vivo. Mechanistic studies demonstrated that the inhibition of PGRN on titanium particle induced-inflammation is primarily via neutralizing the titanium particle-activated TNFα/NF-κB signaling pathway and this is evidenced by the suppression of particle-induced IκB phosphorylation, NF-κB p65 nuclear translocation, and activity of the NF-κB-specific reporter gene. Collectively, these findings not only demonstrate that PGRN plays an important role in inhibiting titanium particle-induced inflammation, but also provide a potential therapeutic agent for the prevention of wear debris-induced inflammation and osteolysis.
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Nicoletto BB, Canani LH. The role of progranulin in diabetes and kidney disease. Diabetol Metab Syndr 2015; 7:117. [PMID: 26697121 PMCID: PMC4687133 DOI: 10.1186/s13098-015-0112-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Accepted: 12/08/2015] [Indexed: 11/10/2022] Open
Abstract
Progranulin (PGRN) is a cysteine rich secreted protein, expressed in epithelial cells, immune cells, neurons, and adipocytes. It was first identified for its growth factor-like properties, being involved in early embryogenesis and tissue remodeling, acting as an anti-inflammatory molecule. In the central nervous system, PGRN has neurotrophic and neuroprotective actions. There is also evidence of PGRN effects on cancer, contributing to tumor proliferation, invasion and cell survival. Recently, PGRN was recognized as an adipokine related to obesity and insulin resistance, revealing its metabolic function and pro-inflammatory properties. In obesity and type 2 diabetes mellitus, PGRN levels are increased. In renal disease, there is a relevant association, however, it is not known if it could contribute to kidney damage or if it is only a route of PGRN elimination. PGRN is an emerging molecule which demands studies in different fields. Possibly, it plays distinct functions in different tissues/cells and metabolic conditions. Here, we discuss potential mechanisms and recent data of PGRN pro-inflammatory actions, regarding obesity, insulin resistance, type 2 diabetes mellitus and kidney disease.
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Affiliation(s)
- Bruna Bellincanta Nicoletto
- />Post Graduation Medical Sciences Program: Endocrinology, School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), 2400 Ramiro Barcelos Street, 2º floor, Porto Alegre, Rio Grande do Sul 90035-003 Brazil
| | - Luis Henrique Canani
- />Post Graduation Medical Sciences Program: Endocrinology, School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), 2400 Ramiro Barcelos Street, 2º floor, Porto Alegre, Rio Grande do Sul 90035-003 Brazil
- />Division of Endocrinology, Hospital de Clínicas de Porto Alegre, 2350 Ramiro Barcelos Street, Building 12, 4° floor, Porto Alegre, 90035-903 Brazil
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