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Yang L, Gao YL, Jiang S, Qian B, Che L, Wu JS, Du ZB, Wang MZ, Yang Y, Lin YC, Liu G, Lin ZN. Aflatoxin B 1-exposed hepatocyte-derived extracellular vesicles: Initiating hepatic stellate cell-mediated liver fibrosis through a p53-Parkin-dependent mitophagy pathway. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 277:116363. [PMID: 38663190 DOI: 10.1016/j.ecoenv.2024.116363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 02/27/2024] [Accepted: 04/19/2024] [Indexed: 05/30/2024]
Abstract
Environmental aflatoxin B1 (AFB1) exposure has been proposed to contribute to hepatocellular carcinoma by promoting liver fibrosis, but the potential mechanisms remain to be further elucidated. Extracellular vesicles (EVs) were recognized as crucial traffickers for hepatic intercellular communication and play a vital role in the pathological process of liver fibrosis. The AFB1-exposed hepatocyte-derived EVs (AFB1-EVs) were extracted, and the functional effects of AFB1-EVs on the activation of hepatic stellate cells (HSCs) were explored to investigate the molecular mechanism of AFB1 exposure-induced liver fibrogenesis. Our results revealed that an environment-level AFB1 exposure induced liver fibrosis via HSCs activation in mice, while the AFB1-EVs mediated hepatotoxicity and liver fibrogenesis in vitro and in vivo. AFB1 exposure in vitro increased PINK1/Parkin-dependent mitophagy in hepatocytes, where upregulated transcription of the PARK2 gene via p53 nuclear translocation and mitochondrial recruitment of Parkin, and promoted AFB1-EVs-mediated mitochondria-trafficking communication between hepatocytes and HSCs. The knockdown of Parkin in HepaRG cells reversed HSCs activation by blocking the mitophagy-related AFB1-EVs trafficking. This study further revealed that the hepatic fibrogenesis of AFB1 exposure was rescued by genetic intervention with siPARK2 or p53's Pifithrin-α (PFTα) inhibitors. Furthermore, AFB1-EVs-induced HSCs activation was relieved by GW4869 pharmaceutic inhibition of EVs secretion. These results revealed a novel mechanism that AFB1 exposure-induced p53-Parkin signal axis regulated mitophagy-dependent hepatocyte-derived EVs to mediate the mitochondria-trafficking intercellular communication between hepatocytes and HSCs in the local hepatotoxic microenvironment to promote the activated HSCs-associated liver fibrogenesis. Our study provided insight into p53-Parkin-dependent pathway regulation and promised an advanced strategy targeting intervention to EVs-mediated mitochondria trafficking for preventing xenobiotics-induced liver fibrosis.
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Affiliation(s)
- Lei Yang
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Innovation Platform for Industry-Education Integration in Vaccine Research, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Yun-Lu Gao
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Innovation Platform for Industry-Education Integration in Vaccine Research, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Shan Jiang
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Innovation Platform for Industry-Education Integration in Vaccine Research, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Bo Qian
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Innovation Platform for Industry-Education Integration in Vaccine Research, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Lin Che
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Innovation Platform for Industry-Education Integration in Vaccine Research, School of Public Health, Xiamen University, Xiamen 361102, China; State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong 510060, China
| | - Jia-Shen Wu
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Innovation Platform for Industry-Education Integration in Vaccine Research, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Ze-Bang Du
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Innovation Platform for Industry-Education Integration in Vaccine Research, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Ming-Zhu Wang
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Innovation Platform for Industry-Education Integration in Vaccine Research, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Yun Yang
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Innovation Platform for Industry-Education Integration in Vaccine Research, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Yu-Chun Lin
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Innovation Platform for Industry-Education Integration in Vaccine Research, School of Public Health, Xiamen University, Xiamen 361102, China.
| | - Gang Liu
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Innovation Platform for Industry-Education Integration in Vaccine Research, School of Public Health, Xiamen University, Xiamen 361102, China.
| | - Zhong-Ning Lin
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Innovation Platform for Industry-Education Integration in Vaccine Research, School of Public Health, Xiamen University, Xiamen 361102, China.
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2
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Wang Y, Li X, Guan X, Song Z, Liu H, Guan Z, Wang J, Zhu L, Zhang D, Zhao L, Xie P, Wei X, Shang N, Liu Y, Jin Z, Ji Z, Dai G. The Upregulation of Leucine-Rich Repeat Containing 1 Expression Activates Hepatic Stellate Cells and Promotes Liver Fibrosis by Stabilizing Phosphorylated Smad2/3. Int J Mol Sci 2024; 25:2735. [PMID: 38473980 DOI: 10.3390/ijms25052735] [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: 01/26/2024] [Revised: 02/22/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
Liver fibrosis poses a significant global health risk due to its association with hepatocellular carcinoma (HCC) and the lack of effective treatments. Thus, the need to discover additional novel therapeutic targets to attenuate liver diseases is urgent. Leucine-rich repeat containing 1 (LRRC1) reportedly promotes HCC development. Previously, we found that LRRC1 was significantly upregulated in rat fibrotic liver according to the transcriptome sequencing data. Herein, in the current work, we aimed to explore the role of LRRC1 in liver fibrosis and the underlying mechanisms involved. LRRC1 expression was positively correlated with liver fibrosis severity and significantly elevated in both human and murine fibrotic liver tissues. LRRC1 knockdown or overexpression inhibited or enhanced the proliferation, migration, and expression of fibrogenic genes in the human hepatic stellate cell line LX-2. More importantly, LRRC1 inhibition in vivo significantly alleviated CCl4-induced liver fibrosis by reducing collagen accumulation and hepatic stellate cells' (HSCs) activation in mice. Mechanistically, LRRC1 promoted HSC activation and liver fibrogenesis by preventing the ubiquitin-mediated degradation of phosphorylated mothers against decapentaplegic homolog (Smad) 2/3 (p-Smad2/3), thereby activating the TGF-β1/Smad pathway. Collectively, these results clarify a novel role for LRRC1 as a regulator of liver fibrosis and indicate that LRRC1 is a promising target for antifibrotic therapies.
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Affiliation(s)
- Yake Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaolong Li
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaowen Guan
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Zhe Song
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Huanfei Liu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Zhenzhen Guan
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Jianwei Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Lina Zhu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Di Zhang
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Liang Zhao
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Peitong Xie
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaoyi Wei
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Ning Shang
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Ying Liu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Zhongzhen Jin
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Zhili Ji
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Guifu Dai
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
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3
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Pfeiffer A, Bandara G, Petersen JD, Falduto GH, Zimmerberg J, Metcalfe DD, Olivera A. Activation of the receptor KIT induces the secretion of exosome-like small extracellular vesicles. JOURNAL OF EXTRACELLULAR BIOLOGY 2024; 3:e139. [PMID: 38938682 PMCID: PMC11080788 DOI: 10.1002/jex2.139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 12/01/2023] [Accepted: 01/01/2024] [Indexed: 06/29/2024]
Abstract
The receptor tyrosine kinase (RTK) KIT and its ligand stem cell factor (SCF) are essential for human mast cell (huMC) survival and proliferation. HuMCs expressing oncogenic KIT variants secrete large numbers of extracellular vesicles (EVs). The role KIT plays in regulating EV secretion has not been examined. Here, we investigated the effects of stimulation or inhibition of KIT activity on the secretion of small EVs (sEVs). In huMCs expressing constitutively active KIT, the quantity and quality of secreted sEVs positively correlated with the activity status of KIT. SCF-mediated stimulation of KIT in huMCs or murine MCs, or of transiently expressed KIT in HeLa cells, enhanced the release of sEVs expressing exosome markers. In contrast, ligand-mediated stimulation of the RTK EGFR in HeLa cells did not affect sEV secretion. The release of sEVs induced by either constitutively active or ligand-activated KIT was remarkably decreased when cells were treated with KIT inhibitors, concomitant with reduced exosome markers in sEVs. Similarly, inhibition of oncogenic KIT signalling kinases like PI3K, and MAPK significantly reduced the secretion of sEVs. Thus, activation of KIT and its early signalling cascades stimulate the secretion of exosome-like sEVs in a regulated fashion, which may have implications for KIT-driven functions.
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Affiliation(s)
- Annika Pfeiffer
- Mast Cell Biology SectionLaboratory of Allergic DiseasesNational Institute of Allergy and Infectious DiseasesNational Institutes of HealthBethesdaMarylandUSA
| | - Geethani Bandara
- Mast Cell Biology SectionLaboratory of Allergic DiseasesNational Institute of Allergy and Infectious DiseasesNational Institutes of HealthBethesdaMarylandUSA
| | - Jennifer D. Petersen
- Section on Integrative BiophysicsDivision of Basic and Translational BiophysicsEunice Kennedy Shriver National Institute of Child Health and Human DevelopmentNational Institutes of HealthBethesdaMarylandUSA
- Inherited Movement Disorders UnitNeurogenetics BranchNational Institute of Neurological Disorders and StrokeNational Institutes of HealthBethesdaMarylandUSA
| | - Guido H. Falduto
- Mast Cell Biology SectionLaboratory of Allergic DiseasesNational Institute of Allergy and Infectious DiseasesNational Institutes of HealthBethesdaMarylandUSA
| | - Joshua Zimmerberg
- Section on Integrative BiophysicsDivision of Basic and Translational BiophysicsEunice Kennedy Shriver National Institute of Child Health and Human DevelopmentNational Institutes of HealthBethesdaMarylandUSA
| | - Dean D. Metcalfe
- Mast Cell Biology SectionLaboratory of Allergic DiseasesNational Institute of Allergy and Infectious DiseasesNational Institutes of HealthBethesdaMarylandUSA
| | - Ana Olivera
- Mast Cell Biology SectionLaboratory of Allergic DiseasesNational Institute of Allergy and Infectious DiseasesNational Institutes of HealthBethesdaMarylandUSA
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4
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Molderings GJ, Afrin LB. A survey of the currently known mast cell mediators with potential relevance for therapy of mast cell-induced symptoms. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:2881-2891. [PMID: 37243761 PMCID: PMC10567897 DOI: 10.1007/s00210-023-02545-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 05/18/2023] [Indexed: 05/29/2023]
Abstract
Mast cells (MCs) occupy a central role in immunological as well as non-immunological processes as reflected in the variety of the mediators by which MCs influence other cells. Published lists of MC mediators have all shown only subsets-usually quite small-of the full repertoire. The full repertoire of MC mediators released by exocytosis is comprehensively compiled here for the first time. The compilation of the data is essentially based on the largely cytokine-focused database COPE®, supplemented with data on the expression of substances in human MCs published in several articles, plus extensive research in the PubMed database. Three hundred and ninety substances could be identified as mediators of human MCs which can be secreted into the extracellular space by activation of the MC. This number might still be an underestimate of the actual number of MC mediators since, in principle, all substances produced by MCs can become mediators because of the possibility of their release by diffusion into the extracellular space, mast cell extracellular traps, and intercellular exchange via nanotubules. When human MCs release mediators in inappropriate manners, this may lead to symptoms in any or all organs/tissues. Thus, such MC activation disorders may clinically present with a myriad of potential combinations of symptoms ranging from trivial to disabling or even life-threatening. The present compilation can be consulted by physicians when trying to gain clarity about MC mediators which may be involved in patients with MC disease symptoms refractory to most therapies.
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Affiliation(s)
- Gerhard J Molderings
- Institute for Human Genetics, University Hospital of Bonn, Venusberg-Campus 1, D-53127, Bonn, Germany.
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5
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Yam-derived exosome-like nanovesicles stimulate osteoblast formation and prevent osteoporosis in mice. J Control Release 2023; 355:184-198. [PMID: 36736431 DOI: 10.1016/j.jconrel.2023.01.071] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 01/15/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023]
Abstract
Plants-releasing exosome-like nanovesicles (PENs) contain miRNA, bioactive lipids, mRNAs, and proteins to exert antioxidant, anti-inflammatory, and regenerative activity. Substances extracted from yams have been reported to promote osteoblast growth in bone regeneration, which prevent weak and brittle bones in osteoporosis. Herein, we describe the beneficial effects of yam-derived exosome-like nanovesicles (YNVs) on promoting differentiation and mineralization of osteoblasts for bone regeneration in ovariectomized (OVX)-induced osteoporotic mice. YNVs were successfully isolated and characterized. YNVs stimulate the proliferation, differentiation, and mineralization of osteoblasts with increased bone differentiation markers (OPN, ALP, and COLI). Interestingly, YNVs do not contain saponins including diosgenin and dioscin known to mainly exert osteogenic activity of yams. Instead, the osteogenic activity of YNVs was revealed to be resulted from activation of the BMP-2/p-p38-dependent Runx2 pathway. As a result, YNVs promote longitudinal bone growth and mineral density of the tibia in the OVX-induced osteoporotic mice in vivo, and these results positively correlate the significant increases in osteoblast-related parameters. In addition, the orally administered YNVs were transported through the GI tract and absorbed through the small intestine. These results showed an excellent systemic biosafety determined by histological analysis and liver/kidney toxicity tests. Taken together, YNVs can serve as a safe and orally effective agent in the treatment of osteoporosis.
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6
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Akin C, Brockow K, Hartmann K, Nilsson GP. Legends of Allergy and Immunology-Dean D. Metcalfe. Allergy 2023; 78:1395-1396. [PMID: 36704860 DOI: 10.1111/all.15657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/13/2023] [Accepted: 01/20/2023] [Indexed: 01/28/2023]
Affiliation(s)
- Cem Akin
- Division of Allergy and Clinical Immunology, Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Knut Brockow
- Department of Dermatology and Allergy Biederstein, Faculty of Medicine, Technical University of Munich, Munich, Germany
| | - Karin Hartmann
- Division of Allergy, Department of Dermatology, University Hospital Basel and University of Basel, Basel, Switzerland.,Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Gunnar P Nilsson
- Division of Allergy and Immunology, Department of Medicine, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
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7
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Zamboni C, Zamarian V, Stefanello D, Ferrari R, Auletta L, Milanesi S, Mauri S, Grieco V, Ceciliani F, Lecchi C. Plasma small extracellular vesicles from dogs affected by cutaneous mast cell tumors deliver high levels of miR-21-5p. Front Vet Sci 2023; 9:1083174. [PMID: 36704706 PMCID: PMC9871458 DOI: 10.3389/fvets.2022.1083174] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 12/13/2022] [Indexed: 01/11/2023] Open
Abstract
Small extracellular vesicles (sEV) are a class of extracellular vesicles (30-150 nm), delivering molecules including proteins, metabolites, and microRNAs (miRNAs), involved in physiological intercellular crosstalk and disease pathogenesis. The present pilot study aims are (I) to develop an easy and fast protocol for the isolation of sEV from plasma of mast cell tumor (MCT)-affected dogs; (II) to evaluate if miR-21-5p (sEV-miR-21-5p), a miRNA overexpressed by MCT, is associated with sEV. Seventeen dogs have been enrolled in the study: 4 healthy and 13 (6 with and 7 without nodal metastasis) MCT-affected dogs. sEV were isolated using size exclusion chromatography (SEC) (IZON column 35nm) and were characterized by Western blot, Nanoparticle tracking analysis, and transmission electron microscopy. sEV-miR-21-5p was quantified using digital PCR. sEV expressed the specific markers CD9 and TSG101, and a marker of mast cell tryptase. The sEV mean concentration and size were 2.68E + 10 particles/ml, and 99.6 nm, 2.89E + 10 particles/ml and 101.7 nm, and 3.21E + 10 particles/ml and 124 nm in non-metastatic, nodal metastatic, and healthy samples, respectively. The comparative analysis demonstrated that the level of sEV-miR-21-5p was significantly higher in dogs with nodal metastasis compared to healthy (P = 0.038) and without nodal metastasis samples (P = 0.007). In conclusion, the present work demonstrated that a pure population of sEV can be isolated from the plasma of MCT-affected dogs using the SEC approach and that the level of sEV-miR-21-5p is higher in nodal metastatic MCT-affected dogs compared with healthy and MCT-affected dogs without nodal involvement.
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Affiliation(s)
- Clarissa Zamboni
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Milan, Italy
| | - Valentina Zamarian
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Milan, Italy,Diabetes Research Institute, IRCCS San Raffaele Hospital, Milan, Italy
| | - Damiano Stefanello
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Milan, Italy
| | - Roberta Ferrari
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Milan, Italy
| | - Luigi Auletta
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Milan, Italy
| | - Samantha Milanesi
- Leukocytes Biology Group, IRCCS Humanitas Clinical and Research Center, Milan, Italy,Department of Medical Biotechnologies and Translational Medicine, Università degli Studi di Milano, Milan, Italy
| | - Samuele Mauri
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Milan, Italy
| | - Valeria Grieco
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Milan, Italy
| | - Fabrizio Ceciliani
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Milan, Italy
| | - Cristina Lecchi
- Dipartimento di Medicina Veterinaria e Scienze Animali, Università degli Studi di Milano, Milan, Italy,*Correspondence: Cristina Lecchi ✉
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8
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Savage A, Risquez C, Gomi K, Schreiner R, Borczuk AC, Worgall S, Silver RB. The mast cell exosome-fibroblast connection: A novel pro-fibrotic pathway. Front Med (Lausanne) 2023; 10:1139397. [PMID: 36910476 PMCID: PMC9995661 DOI: 10.3389/fmed.2023.1139397] [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: 01/06/2023] [Accepted: 02/10/2023] [Indexed: 02/25/2023] Open
Abstract
Introduction In addition to the traditional activation of resident receptors by release of local mediators, new evidence favors the existence of exosomes in cell-to-cell communication that mediates delivery of specific cargo to modulate recipient cell function. We report that mast cell exosomes are an additional source of pro-fibrotic substances and constitute a unique pathway for the generation of excess collagen. Methods We use primary human lung fibroblasts (HLFs) to demonstrate the uptake of labeled exosomes isolated from the human mast cell line HMC-1 (MC-EXOs), previously shown to contain protein cargo in common with human mast cell exosomes. Results The MC-EXO uptake by HLF is to the cytosol and increases both proline hydroxylation in HLF lysate and secreted collagen, within 24 h, which is sustained over 72 h, the same time required for transforming growth factor-β (TGF-β) to activate collagen synthesis in the HLFs. Unlike TGF-β, MC-EXO uptake does not induce fibrillar gene activation or invoke the Smad-nuclear transcription pathway. We show that MC-EXO uptake and TGF-β have an additive effect on collagen synthesis in HLF and postulate that MC-EXO uptake by HLFs is a contributing factor to excess collagen synthesis and represents a unique paradigm for understanding fibrosis. Discussion It is known that, in the lungs, mast cells are more activated and increase in number with inflammation, injury and viral infection associated with fibrosis. With the reported increased incidence of post-COVID-pulmonary fibrosis (PCPF), data from patients with severe COVID-19 are presented that show an increase in the mast cell number in lung parenchyma, the site of PCPF. Our findings provide a rationale for targeting multiple fibrogenic pathways in the management of lung fibrosis and the use of mast cell exosomes as a biomarker for the prognostic and diagnostic management of evolving fibrotic lung disease.
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Affiliation(s)
- Alexandria Savage
- Silver Laboratory, Department of Physiology and Biophysics, Weill Cornell Medicine, New York, NY, United States
| | - Cristobal Risquez
- Silver Laboratory, Department of Physiology and Biophysics, Weill Cornell Medicine, New York, NY, United States.,Division of Pulmonary, Critical Care Medicine, Department of Medicine, Weill Cornell Medicine, New York, NY, United States
| | - Kazunori Gomi
- Silver Laboratory, Department of Physiology and Biophysics, Weill Cornell Medicine, New York, NY, United States
| | - Ryan Schreiner
- Division of Regenerative Medicine, Department of Medicine, Hartman Institute for Therapeutic Organ Regeneration, Ansary Stem Cell Institute, Weill Cornell Medicine, New York, NY, United States
| | - Alain C Borczuk
- Department of Pathology and Laboratory Medicine, New York Presbyterian Hospital-Weill Cornell Medicine, New York, NY, United States
| | - Stefan Worgall
- Department of Pediatrics, Weill Cornell Medicine, New York, NY, United States.,Department of Genetic Medicine, Weill Cornell Medicine, New York, NY, United States.,Drukier Institute for Children's Health, Weill Cornell Medicine, New York, NY, United States
| | - Randi B Silver
- Silver Laboratory, Department of Physiology and Biophysics, Weill Cornell Medicine, New York, NY, United States
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9
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Tsilioni I, Natelson B, Theoharides TC. Exosome-associated mitochondrial DNA from patients with myalgic encephalomyelitis/chronic fatigue syndrome stimulates human microglia to release IL-1β. Eur J Neurosci 2022; 56:5784-5794. [PMID: 36153118 DOI: 10.1111/ejn.15828] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 05/10/2022] [Accepted: 06/19/2022] [Indexed: 12/29/2022]
Abstract
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a debilitating disease that presents with fatigue, sleep disturbances, malaise, and cognitive problems. The pathogenesis of ME/CFS is presently unknown, and serum levels of potential biomarkers have been inconsistent. Here, we show that mitochondrial DNA (mtDNA) associated with serum exosomes, is increased in ME/CFS patients only after exercise. Moreover, exosomes isolated from patients with ME/CFS stimulate significant release of IL-1β from cultured human microglia. These results provide evidence that activation of microglia by serum-derived exosomes may serve as a potential novel pathogenetic factor and target for treatment of ME/CFS.
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Affiliation(s)
- Irene Tsilioni
- Molecular Immunopharmacology and Drug Discovery Laboratory, Department of Immunology, Tufts University School of Medicine, Boston, MA, USA
| | - Benjamin Natelson
- Pain and Fatigue Study Center, Department of Neurology, Rutgers-New Jersey Medical School, Newark, New Jersey, USA
| | - Theoharis C Theoharides
- Molecular Immunopharmacology and Drug Discovery Laboratory, Department of Immunology, Tufts University School of Medicine, Boston, MA, USA.,School of Graduate Biomedical Sciences, Program in Pharmacology and Experimental Therapeutics, Tufts University, Boston, Massachusetts, USA.,Department of Internal Medicine, Tufts University School of Medicine and Tufts Medical Center, Boston, Massachusetts, USA.,Department of Psychiatry, Tufts University School of Medicine and Tufts Medical Center, Boston, Massachusetts, USA
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10
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Pfeiffer A, Petersen JD, Falduto GH, Anderson DE, Zimmerberg J, Metcalfe DD, Olivera A. Selective immunocapture reveals neoplastic human mast cells secrete distinct microvesicle- and exosome-like populations of KIT-containing extracellular vesicles. J Extracell Vesicles 2022; 11:e12272. [PMID: 36239715 PMCID: PMC9838129 DOI: 10.1002/jev2.12272] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 08/03/2022] [Accepted: 09/20/2022] [Indexed: 11/06/2022] Open
Abstract
Activating mutations in the receptor KIT promote the dysregulated proliferation of human mast cells (huMCs). The resulting neoplastic huMCs secrete extracellular vesicles (EVs) that can transfer oncogenic KIT among other cargo into recipient cells. Despite potential contributions to diseases, KIT-containing EVs have not been thoroughly investigated. Here, we isolated and characterized KIT-EV subpopulations released by neoplastic huMCs using an immunocapture approach that selectively isolates EVs containing KIT in its proper topology. Immunocapture of EVs on KIT antibody-coated electron microscopy (EM) affinity grids allowed to assess the morphology and size of KIT-EVs. Immunoblot analysis demonstrated KIT-EVs have a distinct protein profile from KIT-depleted EVs, contain exosome and microvesicle markers, and are separated into these subtypes by ultracentrifugation. Cell treatment with sphingomyelinase inhibitors shifted the protein content among KIT-EV subtypes, suggesting different biogenesis routes. Proteomic analysis revealed huMC KIT-EVs are enriched in proteins involved in signalling, immune responses, and cell migration, suggesting diverse biological functions, and indicated neoplastic huMCs disseminate KIT via shuttling in heterogeneous microvesicle- and exosome-like EVs. Further, selective KIT-immunocapture will enable the enrichment of specific huMC-derived EVs from complex human biosamples and facilitate an understanding of their in vivo functions and potential to serve as biomarkers of specific biological pathologies.
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Affiliation(s)
- Annika Pfeiffer
- Mast Cell Biology SectionLaboratory of Allergic DiseasesNational Institute of Allergy and Infectious DiseasesNational Institutes of HealthBethesdaMarylandUSA
| | - Jennifer D. Petersen
- Section on Integrative BiophysicsDivision of Basic and Translational BiophysicsEunice Kennedy Shriver National Institute of Child Health and Human DevelopmentNational Institutes of HealthBethesdaMarylandUSA
| | - Guido H. Falduto
- Mast Cell Biology SectionLaboratory of Allergic DiseasesNational Institute of Allergy and Infectious DiseasesNational Institutes of HealthBethesdaMarylandUSA
| | - David Eric Anderson
- Advanced Mass Spectrometry Core FacilityNational Institute of Diabetes and Digestive and Kidney DiseasesNational Institutes of HealthBethesdaMarylandUSA
| | - Joshua Zimmerberg
- Section on Integrative BiophysicsDivision of Basic and Translational BiophysicsEunice Kennedy Shriver National Institute of Child Health and Human DevelopmentNational Institutes of HealthBethesdaMarylandUSA
| | - Dean D. Metcalfe
- Mast Cell Biology SectionLaboratory of Allergic DiseasesNational Institute of Allergy and Infectious DiseasesNational Institutes of HealthBethesdaMarylandUSA
| | - Ana Olivera
- Mast Cell Biology SectionLaboratory of Allergic DiseasesNational Institute of Allergy and Infectious DiseasesNational Institutes of HealthBethesdaMarylandUSA
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11
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Liu G, Yin XM. The Role of Extracellular Vesicles in Liver Pathogenesis. THE AMERICAN JOURNAL OF PATHOLOGY 2022; 192:1358-1367. [PMID: 35752228 PMCID: PMC9552020 DOI: 10.1016/j.ajpath.2022.06.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 06/01/2022] [Accepted: 06/08/2022] [Indexed: 02/07/2023]
Abstract
Extracellular vesicles (EVs) are generated by cells in the form of exosomes, microvesicles, and apoptotic bodies. They can be taken up by neighboring cells, and their contents can have functional impact on the cells that engulf them. As the mediators of intercellular communication, EVs can play important roles in both physiological and pathologic contexts. In addition, early detection of EVs in different body fluids may offer a sensitive diagnostic tool for certain diseases, such as cancer. Furthermore, targeting specific EVs may also become a promising therapeutic approach. This review summarizes the latest findings of EVs in the field of liver research, with a focus on the different contents of the EVs and their impact on liver function and on the development of inflammation, fibrosis, and tumor in the liver. The goal of this review is to provide a succinct account of the various molecules that can mediate the function of EVs so the readers may apply this knowledge to their own research.
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Affiliation(s)
- Gang Liu
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, Louisiana
| | - Xiao-Ming Yin
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, Louisiana.
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12
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Kolkhir P, Pyatilova P, Ashry T, Jiao Q, Abad-Perez AT, Altrichter S, Vera Ayala CE, Church MK, He J, Lohse K, Metz M, Scheffel J, Türk M, Frischbutter S, Maurer M. Mast cells, cortistatin, and its receptor, MRGPRX2, are linked to the pathogenesis of chronic prurigo. J Allergy Clin Immunol 2022; 149:1998-2009.e5. [DOI: 10.1016/j.jaci.2022.02.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 02/03/2022] [Accepted: 02/23/2022] [Indexed: 10/18/2022]
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13
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Luo X, Chen J, Yang H, Hu X, Alphonse MP, Shen Y, Kawakami Y, Zhou X, Tu W, Kawakami T, Wan M, Archer NK, Wang H, Gao P. Dendritic cell immunoreceptor drives atopic dermatitis by modulating oxidized CaMKII-involved mast cell activation. JCI Insight 2022; 7:152559. [PMID: 35113811 PMCID: PMC8983143 DOI: 10.1172/jci.insight.152559] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 01/28/2022] [Indexed: 11/17/2022] Open
Abstract
Allergens have been identified as potential triggers in patients with atopic dermatitis (AD). AD patients are highly sensitive to cockroach allergen. The underlying mechanism, however, remains undetermined. Here, we established a cockroach allergen-induced AD-like mouse model and demonstrated that repeated exposure to cockroach allergen led to aggravated mouse skin inflammation, characterized by increased type 2 immunity, type 2 innate lymphoid cells (ILC2s), and mast cells. Increased skin mast cells were also observed in AD patients. AD mice with mast cell-deficient mice (kitW-sh/W-sh) showed diminished skin inflammation, suggesting that mast cells are required in allergen-induced skin inflammation. Furthermore, dendritic cell immuno-receptor (DCIR) is up-regulated in skin mast cells of AD patients and mediates allergen binding and uptake. DCIR-/- mice or reconstituted kitW-sh/W-sh mice with DCIR-/- mast cells showed a significant reduction in AD-like inflammation. Both in vitro and in vivo analyses demonstrated that DCIR-/- mast cells had reduced IgE-mediated mast cell activation and passive cutaneous anaphylaxis. Mechanistically, DCIR regulates allergen-induced IgE-mediated mast cell ROS generation and oxidation of calmodulin kinase II (ox-CaMKII). ROS-resistant CaMKII (MM-VVδ) prevents allergen-induced mast cell activation and inflammatory mediator release. Our study reveals a previously unrecognized DCIR-ROS-CaMKII axis that controls allergen-induced mast cell activation and AD-like inflammation.
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Affiliation(s)
- Xiaoyan Luo
- Pediatric Dermatology, Chongqing Medical University, Chongqing, China
| | - Jingsi Chen
- Pediatric Dermatology, Chongqing Medical University, Chongqing, China
| | - Huan Yang
- Pediatric Dermatology, Chongqing Medical University, Chongqing, China
| | - Xinyue Hu
- Division of Allergy and Clinical Immunology, Johns Hopkins University School of Medicine, Baltimore, United States of America
| | - Martin P Alphonse
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, United States of America
| | - Yingchun Shen
- Division of Allergy and Clinical Immunology, Johns Hopkins University School of Medicine, Baltimore, United States of America
| | - Yuko Kawakami
- Division of Cell Biology, La Jolla Institute for Allergy and Immunology, La Jolla, United States of America
| | - Xiaoying Zhou
- Pediatric Dermatology, Chongqing Medical University, Chongqing, China
| | - Wei Tu
- Division of Allergy and Clinical Immunology, Johns Hopkins University School of Medicine, Baltimore, United States of America
| | - Toshiaki Kawakami
- Division of Cell Biology, La Jolla Institute for Allergy and Immunology, La Jolla, United States of America
| | - Mei Wan
- Johns Hopkins University School of Medicine, Baltimore, United States of America
| | - Nathan K Archer
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, United States of America
| | - Hua Wang
- Pediatric Dermatology, Chongqing Medical University, Chongqing, China
| | - Peisong Gao
- Division of Allergy and Clinical Immunology, Johns Hopkins University School of Medicine, Baltimore, United States of America
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14
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Dahlin JS, Maurer M, Metcalfe DD, Pejler G, Sagi‐Eisenberg R, Nilsson G. The ingenious mast cell: Contemporary insights into mast cell behavior and function. Allergy 2022; 77:83-99. [PMID: 33955017 DOI: 10.1111/all.14881] [Citation(s) in RCA: 78] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 04/15/2021] [Accepted: 04/16/2021] [Indexed: 12/14/2022]
Abstract
Mast cells are (in)famous for their role in allergic diseases, but the physiological and pathophysiological roles of this ingenious cell are still not fully understood. Mast cells are important for homeostasis and surveillance of the human system, recognizing both endogenous and exogenous agents, which induce release of a variety of mediators acting on both immune and non-immune cells, including nerve cells, fibroblasts, endothelial cells, smooth muscle cells, and epithelial cells. During recent years, clinical and experimental studies on human mast cells, as well as experiments using animal models, have resulted in many discoveries that help decipher the function of mast cells in health and disease. In this review, we focus particularly on new insights into mast cell biology, with a focus on mast cell development, recruitment, heterogeneity, and reactivity. We also highlight the development in our understanding of mast cell-driven diseases and discuss the development of novel strategies to treat such conditions.
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Affiliation(s)
- Joakim S. Dahlin
- Division of Immunology and Allergy Department of Medicine Karolinska Institutet Karolinska University Hospital Stockholm Sweden
| | - Marcus Maurer
- Department of Dermatology and Allergy Dermatological Allergology Allergie‐Centrum‐Charité Charité—Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt‐Universität zu Berlin, Berlin Institute of Health Berlin Germany
| | - Dean D. Metcalfe
- Mast Cell Biology Section Laboratory of Allergic Diseases NIAID, NIH Bethesda MD USA
| | - Gunnar Pejler
- Department of Medical Biochemistry and Microbiology Uppsala University Uppsala Sweden
- Department of Anatomy, Physiology and Biochemistry Swedish University of Agricultural Sciences Uppsala Sweden
| | - Ronit Sagi‐Eisenberg
- Department of Cell and Developmental Biology Sackler Faculty of Medicine Tel Aviv University Tel Aviv Israel
| | - Gunnar Nilsson
- Division of Immunology and Allergy Department of Medicine Karolinska Institutet Karolinska University Hospital Stockholm Sweden
- Department of Medical Sciences Uppsala University Uppsala Sweden
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15
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Extracellular Vesicles as Emerging Players in Intercellular Communication: Relevance in Mast Cell-Mediated Pathophysiology. Int J Mol Sci 2021; 22:ijms22179176. [PMID: 34502083 PMCID: PMC8431297 DOI: 10.3390/ijms22179176] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/17/2021] [Accepted: 08/23/2021] [Indexed: 02/07/2023] Open
Abstract
Mast cells are major effector cells in eliciting allergic responses. They also play a significant role in establishing innate and adaptive immune responses, as well as in modulating tumor growth. Mast cells can be activated upon engagement of the high-affinity receptor FcεRI with specific IgE to multivalent antigens or in response to several FcεRI-independent mechanisms. Upon stimulation, mast cells secrete various preformed and newly synthesized mediators. Emerging evidence indicates their ability to be a rich source of secreted extracellular vesicles (EVs), including exosomes and microvesicles, which convey biological functions. Mast cell-derived EVs can interact with and affect other cells located nearby or at distant sites and modulate inflammation, allergic response, and tumor progression. Mast cells are also affected by EVs derived from other cells in the immune system or in the tumor microenvironment, which may activate mast cells to release different mediators. In this review, we summarize the latest data regarding the ability of mast cells to release or respond to EVs and their role in allergic responses, inflammation, and tumor progression. Understanding the release, composition, and uptake of EVs by cells located near to or at sites distant from mast cells in a variety of clinical conditions, such as allergic inflammation, mastocytosis, and lung cancer will contribute to developing novel therapeutic approaches.
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16
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Galli SJ, Gaudenzio N, Tsai M. Mast Cells in Inflammation and Disease: Recent Progress and Ongoing Concerns. Annu Rev Immunol 2021; 38:49-77. [PMID: 32340580 DOI: 10.1146/annurev-immunol-071719-094903] [Citation(s) in RCA: 180] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Mast cells have existed long before the development of adaptive immunity, although they have been given different names. Thus, in the marine urochordate Styela plicata, they have been designated as test cells. However, based on their morphological characteristics (including prominent cytoplasmic granules) and mediator content (including heparin, histamine, and neutral proteases), test cells are thought to represent members of the lineage known in vertebrates as mast cells. So this lineage presumably had important functions that preceded the development of antibodies, including IgE. Yet mast cells are best known, in humans, as key sources of mediators responsible for acute allergic reactions, notably including anaphylaxis, a severe and potentially fatal IgE-dependent immediate hypersensitivity reaction to apparently harmless antigens, including many found in foods and medicines. In this review, we briefly describe the origins of tissue mast cells and outline evidence that these cells can have beneficial as well as detrimental functions, both innately and as participants in adaptive immune responses. We also discuss aspects of mast cell heterogeneity and comment on how the plasticity of this lineage may provide insight into its roles in health and disease. Finally, we consider some currently open questions that are yet unresolved.
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Affiliation(s)
- Stephen J Galli
- Department of Pathology, Stanford University School of Medicine, Stanford, California 94305, USA; , .,Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California 94305, USA.,Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, California 94305, USA
| | - Nicolas Gaudenzio
- Unité de Différenciation Epithéliale et Autoimmunité Rhumatoïde (UDEAR), INSERM UMR 1056, Université de Toulouse, 31 059 Toulouse CEDEX 9, France;
| | - Mindy Tsai
- Department of Pathology, Stanford University School of Medicine, Stanford, California 94305, USA; , .,Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, California 94305, USA
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17
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Extracellular Vesicles in Organ Fibrosis: Mechanisms, Therapies, and Diagnostics. Cells 2021; 10:cells10071596. [PMID: 34202136 PMCID: PMC8305303 DOI: 10.3390/cells10071596] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/16/2021] [Accepted: 06/21/2021] [Indexed: 02/06/2023] Open
Abstract
Fibrosis is the unrelenting deposition of excessively large amounts of insoluble interstitial collagen due to profound matrigenic activities of wound-associated myofibroblasts during chronic injury in diverse tissues and organs. It is a highly debilitating pathology that affects millions of people globally and leads to decreased function of vital organs and increased risk of cancer and end-stage organ disease. Extracellular vesicles (EVs) produced within the chronic wound environment have emerged as important vehicles for conveying pro-fibrotic signals between many of the cell types involved in driving the fibrotic response. On the other hand, EVs from sources such as stem cells, uninjured parenchymal cells, and circulation have in vitro and in vivo anti-fibrotic activities that have provided novel and much-needed therapeutic options. Finally, EVs in body fluids of fibrotic individuals contain cargo components that may have utility as fibrosis biomarkers, which could circumvent current obstacles to fibrosis measurement in the clinic, allowing fibrosis stage, progression, or regression to be determined in a manner that is accurate, safe, minimally-invasive, and conducive to repetitive testing. This review highlights the rapid and recent progress in our understanding of EV-mediated fibrotic pathogenesis, anti-fibrotic therapy, and fibrosis staging in the lung, kidney, heart, liver, pancreas, and skin.
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18
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Balaji S, Kim U, Muthukkaruppan V, Vanniarajan A. Emerging role of tumor microenvironment derived exosomes in therapeutic resistance and metastasis through epithelial-to-mesenchymal transition. Life Sci 2021; 280:119750. [PMID: 34171378 DOI: 10.1016/j.lfs.2021.119750] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 06/09/2021] [Accepted: 06/16/2021] [Indexed: 12/18/2022]
Abstract
The tumor microenvironment (TME) constitutes multiple cell types including cancerous and non-cancerous cells. The intercellular communication between these cells through TME derived exosomes may either enhance or suppress the tumorigenic processes. The tumor-derived exosomes could convert an anti-tumor environment into a pro-tumor environment by inducing the differentiation of stromal cells into tumor-associated cells. The exosomes from tumor-associated stromal cells reciprocally trigger epithelial-to-mesenchymal transition (EMT) in tumor cells, which impose therapeutic resistance and metastasis. It is well known that these exosomes contain the signals of EMT, but how these signals execute chemoresistance and metastasis in tumors remains elusive. Understanding the significance and molecular signatures of exosomes transmitting EMT signals would aid in developing appropriate methods of inhibiting them. In this review, we focus on molecular signatures of exosomes that shuttle between cancer cells and their stromal populations in TME to explicate their impact on therapeutic resistance and metastasis through EMT. Especially Wnt signaling is found to be involved in multiple ways of exosomal transport and hence we decipher the biomolecules of Wnt signaling trafficked through exosomes and their potential in serving as therapeutic targets.
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Affiliation(s)
- Sekaran Balaji
- Department of Molecular Genetics, Aravind Medical Research Foundation, Madurai, Tamil Nadu 625 020, India
| | - Usha Kim
- Department of Orbit, Oculoplasty and Ocular Oncology, Aravind Eye Hospital, Madurai, Tamil Nadu 625 020, India
| | - Veerappan Muthukkaruppan
- Department of Immunology and Stem Cell Biology, Aravind Medical Research Foundation, Madurai, Tamil Nadu 625 020, India
| | - Ayyasamy Vanniarajan
- Department of Molecular Genetics, Aravind Medical Research Foundation, Madurai, Tamil Nadu 625 020, India.
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19
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Kim DK, Bandara G, Cho YE, Komarow HD, Donahue DR, Karim B, Baek MC, Kim HM, Metcalfe DD, Olivera A. Mastocytosis-derived extracellular vesicles deliver miR-23a and miR-30a into pre-osteoblasts and prevent osteoblastogenesis and bone formation. Nat Commun 2021; 12:2527. [PMID: 33953168 PMCID: PMC8100305 DOI: 10.1038/s41467-021-22754-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 03/11/2021] [Indexed: 12/12/2022] Open
Abstract
Osteoporosis and other manifestations of bone disease are frequent in patients with systemic mastocytosis (SM) in association with the presence of mast cell infiltrates in bone marrow, although the mechanisms behind bone disease remain poorly understood. We find that extracellular vesicles (EVs) released by neoplastic mast cells and present in the serum of patients with SM (SM-EVs) block osteoblast differentiation and mineralization in culture, and when injected into mice diminish the expression of osteoblast markers, and trabecular bone volume and microarchitecture. We demonstrate that miRNA-30a and miRNA-23a, increased in SM-EVs and neoplastic mast cell-derived EVs, attenuate osteoblast maturation by suppressing expression of RUNX2 and SMAD1/5, essential drivers of osteogenesis. Thus, SM-EVs carry and deliver miRNAs that epigenetically interfere with bone formation and can contribute to bone mass reduction in SM. These findings also suggest possibilities for novel approaches to the management of bone disease in mast cell proliferative disorders.
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Affiliation(s)
- Do-Kyun Kim
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Bethesda, MD, USA
- Center for Biomolecular and Cellular Structure, Institute for Basic Science (IBS), Daejeon, Republic of Korea
- Korea Zoonosis Research Institute, Jeonbuk National University, Iksan, Jeonbuk, Republic of Korea
| | - Geethani Bandara
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Bethesda, MD, USA
| | - Young-Eun Cho
- Section of Molecular Pharmacology and Toxicology, Laboratory of Membrane Biochemistry and Biophysics, National Institute on Alcohol Abuse and Alcoholism, NIH, Bethesda, MD, USA
- Department of Food and Nutrition, Andong National University, Andong, Kyungpook, Republic of Korea
| | - Hirsh D Komarow
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Bethesda, MD, USA
| | - Danielle R Donahue
- Mouse Imaging Facility, National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD, USA
| | - Baktiar Karim
- Molecular Histopathology Laboratory, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, National Cancer Institute, NIH, Frederick, MD, USA
| | - Moon-Chang Baek
- Department of Molecular Medicine, CMRI, Exosome Convergence Research Center (ECRC), School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Ho Min Kim
- Center for Biomolecular and Cellular Structure, Institute for Basic Science (IBS), Daejeon, Republic of Korea
| | - Dean D Metcalfe
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Bethesda, MD, USA
| | - Ana Olivera
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Bethesda, MD, USA.
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20
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Boehm T, Ristl R, Joseph S, Petroczi K, Klavins K, Valent P, Jilma B. Metabolome and lipidome derangements during a severe mast cell activation event in a patient with indolent systemic mastocytosis. J Allergy Clin Immunol 2021; 148:1533-1544. [PMID: 33864889 DOI: 10.1016/j.jaci.2021.03.043] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 03/02/2021] [Accepted: 03/30/2021] [Indexed: 12/27/2022]
Abstract
BACKGROUND The number of mast cells in various organs is elevated manifold in individuals with systemic mastocytosis. Degranulation can lead to life-threatening symptomatology. No data about the alterations of the metabolome and lipidome during an attack have been published. OBJECTIVE Our aim was to analyze changes in metabolomics and lipidomics during the acute phase of a severe mast cell activation event. METHODS A total of 43 metabolites and 11 lipid classes comprising 200 subvariants from multiple plasma samples in duplicate, covering 72 hours of a severe mast cell activation attack with nausea and vomiting, were compared with 2 baseline samples by using quantitative liquid chromatography-mass spectrometry. RESULTS A strong enterocyte dysfunction reflected in an almost 20-fold reduction in the functional small bowel length was extrapolated from strongly reduced ornithine and citrulline concentrations and was very likely secondary to severe endothelial cell dysfunction with hypoperfusion and extensive vascular leakage. Highly increased histamine and lactate concentrations accompanied the peak in clinical symptoms. Elevated asymmetric and symmetric dimethylarginine levels combined with reduced arginine levels compromised endothelial nitric oxide synthase activity and nitric oxide signaling. Specific and extensive depletion of many lysophosphatidylcholine variants indicates localized autotaxin activation and lysophosphatidic acid release. A strong correlation of clinical parameters with histamine concentrations and symptom reduction after 100-fold elevated plasma diamine oxidase concentrations implies that histamine is the key driver of the acute phase. CONCLUSIONS Rapid elimination of elevated histamine concentrations through use of recombinant human diamine oxidase, supplementation of lysophosphatidylcholine for immunomodulation, inhibition of autotaxin activity, and/or blockade of lysophosphatidic acid receptors might represent new treatment options for life-threatening mast cell activation events.
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Affiliation(s)
- Thomas Boehm
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria.
| | - Robin Ristl
- Section for Medical Statistics, Center of Medical Statistics, Informatics, and Intelligent Systems, Medical University of Vienna, Vienna, Austria
| | - Saijo Joseph
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Karin Petroczi
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Kristaps Klavins
- CeMM Research Center for Molecular Medicine, Austrian Academy of Sciences, Vienna, Austria
| | - Peter Valent
- Department of Internal Medicine I, Division of Hematology and Hemostaseology and Ludwig Boltzmann Cluster Oncology, Medical University of Vienna, Vienna, Austria
| | - Bernd Jilma
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
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21
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Forte D, Barone M, Palandri F, Catani L. The "Vesicular Intelligence" Strategy of Blood Cancers. Genes (Basel) 2021; 12:genes12030416. [PMID: 33805807 PMCID: PMC7999060 DOI: 10.3390/genes12030416] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/10/2021] [Accepted: 03/11/2021] [Indexed: 12/13/2022] Open
Abstract
Blood cancers are a heterogeneous group of disorders including leukemia, multiple myeloma, and lymphoma. They may derive from the clonal evolution of the hemopoietic stem cell compartment or from the transformation of progenitors with immune potential. Extracellular vesicles (EVs) are membrane-bound nanovesicles which are released by cells into body fluids with a role in intercellular communication in physiology and pathology, including cancer. EV cargos are enriched in nucleic acids, proteins, and lipids, and these molecules can be delivered to target cells to influence their biological properties and modify surrounding or distant targets. In this review, we will describe the “smart strategy” on how blood cancer-derived EVs modulate tumor cell development and maintenance. Moreover, we will also depict the function of microenvironment-derived EVs in blood cancers and discuss how the interplay between tumor and microenvironment affects blood cancer cell growth and spreading, immune response, angiogenesis, thrombogenicity, and drug resistance. The potential of EVs as non-invasive biomarkers will be also discussed. Lastly, we discuss the clinical application viewpoint of EVs in blood cancers. Overall, blood cancers apply a ‘vesicular intelligence’ strategy to spread signals over their microenvironment, promoting the development and/or maintenance of the malignant clone.
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Affiliation(s)
- Dorian Forte
- IRCCS Azienda Ospedaliero—Department of Experimental, Diagnostic and Specialty Medicine, School of Medicine, Institute of Hematology “Seràgnoli”, University of Bologna, 40138 Bologna, Italy; (D.F.); (M.B.)
| | - Martina Barone
- IRCCS Azienda Ospedaliero—Department of Experimental, Diagnostic and Specialty Medicine, School of Medicine, Institute of Hematology “Seràgnoli”, University of Bologna, 40138 Bologna, Italy; (D.F.); (M.B.)
| | - Francesca Palandri
- IRCCS Azienda Ospedaliero—Institute of Hematology “Seràgnoli”, University of Bologna, 40138 Bologna, Italy
- Correspondence: (F.P.); (L.C.); Tel.: +39-5121-43044 (F.P.); +39-5121-43837 (L.C.)
| | - Lucia Catani
- IRCCS Azienda Ospedaliero—Department of Experimental, Diagnostic and Specialty Medicine, School of Medicine, Institute of Hematology “Seràgnoli”, University of Bologna, 40138 Bologna, Italy; (D.F.); (M.B.)
- IRCCS Azienda Ospedaliero—Institute of Hematology “Seràgnoli”, University of Bologna, 40138 Bologna, Italy
- Correspondence: (F.P.); (L.C.); Tel.: +39-5121-43044 (F.P.); +39-5121-43837 (L.C.)
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22
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Wang W, Shui L, Liu Y, Zheng M. C-Kit, a Double-Edged Sword in Liver Regeneration and Diseases. Front Genet 2021; 12:598855. [PMID: 33603771 PMCID: PMC7884772 DOI: 10.3389/fgene.2021.598855] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 01/08/2021] [Indexed: 12/24/2022] Open
Abstract
Previous studies have reported an important role of c-kit in embryogenesis and adulthood. Activation of the SCF/KIT signal transduction pathway is customarily linked to cell proliferation, migration and survival thus influence hematopoiesis, pigmentation, and spermatogenesis. The role of c-kit in the liver is controversial, it is however argued that it is a double-edged sword in liver regeneration and diseases. First, liver c-kit+ cells, including oval cells, bile epithelial cells, and part of hepatocytes, participate in liver tissue repair by regenerating target cells according to the type of liver injury. At the same time, c-kit+ mast cells, act as immature progenitors in circulation, playing a critical role in liver fibrosis. Furthermore, c-kit is also a proto-oncogene. Notably, c-kit overexpression regulates gastrointestinal stromal tumors. Various studies have explored on c-kit and hepatocellular carcinoma, nevertheless, the intricate roles of c-kit in the liver are largely understudied. Herein, we extensively summarize previous studies geared toward providing hints for future clinical and basic research.
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Affiliation(s)
- Weina Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Liyan Shui
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yanning Liu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Min Zheng
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
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Liu B, Yang MQ, Yu TY, Yin YY, Liu Y, Wang XD, He ZG, Yin L, Chen CQ, Li JY. Mast Cell Tryptase Promotes Inflammatory Bowel Disease-Induced Intestinal Fibrosis. Inflamm Bowel Dis 2021; 27:242-255. [PMID: 32507895 DOI: 10.1093/ibd/izaa125] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Intestinal fibrosis is the final pathological outcome of chronic intestinal inflammation without specific therapeutic drugs, which leads to ileus and surgical intervention. Intestinal fibrosis is characterized by excessive deposition of extracellular matrix (ECM). The role of mast cells (MCs), which are members of the sentinel immune cell population, is unknown in intestinal fibrosis. METHODS In this study, we analyzed changes in MCs, tryptase proteins, and ECM components in human fibrotic and control patient intestines. We constructed dextran sodium sulfate-induced intestinal fibrosis models using wild-type mice, MC-reconstituted mice, and MC-deficient mice to explore the role of MCs and tryptase in intestinal fibrosis. The roles and mechanisms of MCs and tryptase on fibroblasts were evaluated using human MCs (HMC-1 and LAD-2), commercial tryptase proteins, human colon fibroblasts (CCD-18Co fibroblasts), the tryptase inhibitor APC366, and the protease-activated receptor-2 (PAR-2) antagonist ENMD-1068. RESULTS Regardless of whether the colon was a human colon or a mouse colon, the fibrotic intestinal tissue had increased MC infiltration and a higher expression of ECM proteins or genes than that of the control group. The dextran sodium sulfate-induced intestinal fibrosis in MC-deficient mice was alleviated compared with that in wild-type mice. After MC reconstruction in MC-deficient mice, the alleviating effect disappeared. Tryptase, as a content stored in MC granules, was released into fibrotic intestinal tissues in the form of degranulation, resulting in an increased expression of tryptase. Compared with the control group, the tryptase inhibition group (the APC366 group) had reduced intestinal fibrosis. The CCD-18Co fibroblasts, when cocultured with MCs or treated with tryptase proteins, were activated to differentiate into myofibroblasts and secrete more ECM proteins (such as collagen and fibronectin). The underlying mechanism of fibroblast activation by tryptase was the activation of the PAR-2/Akt/mTOR pathway. CONCLUSIONS We found that MC tryptase promotes inflammatory bowel disease-induced intestinal fibrosis. The underlying mechanism is that tryptase promotes the differentiation of fibroblasts into fibrotic-phenotype myofibroblasts by activating the PAR-2/Akt/ mTOR pathway of fibroblasts.
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Affiliation(s)
- Bin Liu
- Department of General Surgery, Shanghai Tenth People's Hospital of Tongji University, Tongji University, Shanghai, China.,Department of General Surgery, Shanghai Clinical Medical College, Anhui Medical University, Anhui, China
| | - Mu-Qing Yang
- Department of General Surgery, Shanghai Clinical Medical College, Anhui Medical University, Anhui, China
| | - Tian-Yu Yu
- Department of General Surgery, Shanghai Clinical Medical College, Anhui Medical University, Anhui, China
| | - Yang-Yang Yin
- Department of General Surgery, Shanghai Tenth People's Hospital of Tongji University, Tongji University, Shanghai, China
| | - Ying Liu
- Department of General Surgery, Shanghai Tenth People's Hospital of Tongji University, Tongji University, Shanghai, China
| | - Xiao-Dong Wang
- Department of General Surgery, Shanghai Tenth People's Hospital of Tongji University, Tongji University, Shanghai, China.,Department of General Surgery, Shanghai Clinical Medical College, Anhui Medical University, Anhui, China
| | - Zhi-Gang He
- Department of General Surgery, Shanghai Tenth People's Hospital of Tongji University, Tongji University, Shanghai, China
| | - Lu Yin
- Department of General Surgery, Shanghai Tenth People's Hospital of Tongji University, Tongji University, Shanghai, China
| | - Chun-Qiu Chen
- Department of General Surgery, Shanghai Tenth People's Hospital of Tongji University, Tongji University, Shanghai, China
| | - Ji-Yu Li
- Department of General Surgery, Shanghai Tenth People's Hospital of Tongji University, Tongji University, Shanghai, China.,Department of General Surgery, Shanghai Clinical Medical College, Anhui Medical University, Anhui, China
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24
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Toyoshima S, Sakamoto-Sasaki T, Kurosawa Y, Hayama K, Matsuda A, Watanabe Y, Terui T, Gon Y, Matsumoto K, Okayama Y. miR103a-3p in extracellular vesicles from FcεRI-aggregated human mast cells enhances IL-5 production by group 2 innate lymphoid cells. J Allergy Clin Immunol 2021; 147:1878-1891. [PMID: 33465368 DOI: 10.1016/j.jaci.2021.01.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 12/27/2020] [Accepted: 01/05/2021] [Indexed: 12/21/2022]
Abstract
BACKGROUND Mast cells (MCs) are key regulators of IgE-mediated allergic inflammation. Cell-derived extracellular vesicles (EVs) contain bioactive compounds such as microRNAs. EVs can transfer signals to recipient cells, thus using a novel mechanism of cell-to-cell communication. However, whether MC-derived EVs are involved in FcεRI-mediated allergic inflammation is unclear. OBJECTIVE We sought to investigate the effect of EVs derived from FcεRI-aggregated human MCs on the function of human group 2 innate lymphoid cells (ILC2s). METHODS Human cultured MCs were sensitized with and without IgE for 1 hour and then incubated with anti-IgE antibody, IL-33, or medium alone for 24 hours. EVs in the MC supernatant were isolated by using ExoQuick-TC. RESULTS Coculture of ILC2s with EVs derived from the FcεRI-aggregated MCs significantly enhanced IL-5 production and sustained upregulation of IL-5 mRNA expression in IL-33-stimulated ILC2s, but IL-13 production and IL-13 mRNA expression were unchanged. miR103a-3p expression was upregulated in IL-33-stimulated ILC2s that had been cocultured with EVs derived from anti-IgE antibody-stimulated MCs. Transduction of an miR103a-3p mimic to ILC2s significantly enhanced IL-5 production by IL-33-stimulated ILC2s. miR103a-3p promoted demethylation of an arginine residue of GATA3 by downregulating protein arginine methyltransferase 5 (PRMT5) mRNA. Reduction of protein arginine methyltransferase 5 expression in ILC2s by using a small interfering RNA technique resulted in upregulation of IL-5 production by IL-33-stimulated ILC2s. Furthermore, the level of miR103a-3p expression was significantly higher in EVs from sera of patients with atopic dermatitis than in EVs from nonatopic healthy control subjects. CONCLUSION Eosinophilic allergic inflammation may be exacerbated owing to ILC2 activation by MC-derived miR103a-3p.
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Affiliation(s)
- Shota Toyoshima
- Allergy and Immunology Research Project Team, Research Institute of Medical Science, Nihon University School of Medicine, Tokyo, Japan; Center for Allergy, Nihon University Itabashi Hospital, Tokyo, Japan; Center for Medical Education, Nihon University School of Medicine, Tokyo, Japan
| | - Tomomi Sakamoto-Sasaki
- Allergy and Immunology Research Project Team, Research Institute of Medical Science, Nihon University School of Medicine, Tokyo, Japan; Center for Allergy, Nihon University Itabashi Hospital, Tokyo, Japan; Center for Medical Education, Nihon University School of Medicine, Tokyo, Japan
| | - Yusuke Kurosawa
- Allergy and Immunology Research Project Team, Research Institute of Medical Science, Nihon University School of Medicine, Tokyo, Japan; Center for Allergy, Nihon University Itabashi Hospital, Tokyo, Japan; Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Koremasa Hayama
- Center for Allergy, Nihon University Itabashi Hospital, Tokyo, Japan; Divison of Cutaneous Science, Department of Dermatology, Nihon University School of Medicine, Tokyo, Japan
| | - Akira Matsuda
- Department of Ophthalmology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Yasuo Watanabe
- Department of Ophthalmology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Tadashi Terui
- Center for Allergy, Nihon University Itabashi Hospital, Tokyo, Japan; Divison of Cutaneous Science, Department of Dermatology, Nihon University School of Medicine, Tokyo, Japan
| | - Yasuhiro Gon
- Center for Allergy, Nihon University Itabashi Hospital, Tokyo, Japan; Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Kenji Matsumoto
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Yoshimichi Okayama
- Allergy and Immunology Research Project Team, Research Institute of Medical Science, Nihon University School of Medicine, Tokyo, Japan; Center for Allergy, Nihon University Itabashi Hospital, Tokyo, Japan; Center for Medical Education, Nihon University School of Medicine, Tokyo, Japan.
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25
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Cao TBT, Cha HY, Yang EM, Ye YM. Elevated MRGPRX2 Levels Related to Disease Severity in Patients With Chronic Spontaneous Urticaria. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2021; 13:498-506. [PMID: 33733642 PMCID: PMC7984951 DOI: 10.4168/aair.2021.13.3.498] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/26/2020] [Accepted: 09/19/2020] [Indexed: 01/01/2023]
Abstract
Mas-related G-protein coupled receptor-X2 (MRGPRX2), a receptor on mast cells, basophils, and eosinophils associated with immunoglobulin E (IgE)-independent degranulation, has been reported to be highly expressed on cutaneous mast cells in patients with severe chronic spontaneous urticaria (CSU). We sought to investigate whether MRGPRX2 levels in the sera from CSU patients differ from those in healthy control subjects and to evaluate the clinical utility of MRGPRX2 levels in CSU patients. Severe CSU was defined as urticaria activity score over 7 days (UAS7) ≥ 28. Serum samples from 116 (73 severe and 43 non-severe) CSU patients and 50 healthy subjects were screened for MRGPRX2 using enzyme-linked immunosorbent assay. Serum MRGPRX2 levels were significantly higher in patients with severe CSU (median [interquartile range], 16.5 [10.8–24.8]) than in healthy controls (11.7 [6.5–21.2], P = 0.036) and in non-severe CSU patients (8.7 [4.5–18.8], P = 0.002), although they did not differ between healthy subjects and non-severe CSU patients. Serum MRGPRX2 levels in CSU patients showed positive correlations with UAS7 and specific IgE against Dermatophagoides farinae in CSU subjects, whereas no correlations were observed for age, sex, urticaria duration, atopy, combined angioedema, autologous serum skin test positivity, or total IgE levels. Logistic regression analysis identified serum MRGPRX2 ≥ 12 ng/mL (odds ratio, 6.421; P = 0.002) as an independent risk factor for severe CSU, along with increased serum total IgE levels, peripheral basophil percentage, and angioedema. In conclusion, we suggest that serum MRGPRX2 could help indicate severe CSU.
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Affiliation(s)
- Thi Bich Tra Cao
- Department of Biomedical Science, Ajou University School of Medicine, Suwon, Korea.,Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
| | - Hyun Young Cha
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
| | - Eun Mi Yang
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
| | - Young Min Ye
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea.
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26
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Vukman KV, Ferencz A, Fehér D, Juhos K, Lőrincz P, Visnovitz T, Koncz A, Pálóczi K, Seregélyes G, Försönits A, Khamari D, Galinsoga A, Drahos L, Buzás EI. An implanted device enables in vivo monitoring of extracellular vesicle-mediated spread of pro-inflammatory mast cell response in mice. J Extracell Vesicles 2020; 10:e12023. [PMID: 33708356 PMCID: PMC7890545 DOI: 10.1002/jev2.12023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Revised: 10/19/2020] [Accepted: 10/20/2020] [Indexed: 11/12/2022] Open
Abstract
Mast cells have been shown to release extracellular vesicles (EVs) in vitro. However, EV-mediated mast cell communication in vivo remains unexplored. Primary mast cells from GFP-transgenic and wild type mice, were grown in the presence or absence of lipopolysaccharide (LPS), and the secreted EVs were separated from the conditioned media. Mast cell-derived EVs were next cultured with LPS-naïve mast cells, and the induction of TNF-α expression was monitored. In addition, primary mast cells were seeded in diffusion chambers that were implanted into the peritoneal cavities of mice. Diffusion chambers enabled the release of GFP+ mast cell-derived EVs in vivo into the peritoneal cavity. Peritoneal lavage cells were assessed for the uptake of GFP+ EVs and for TNF-α production. In vitro, LPS-stimulated mast cell-derived EVs were efficiently taken up by non-stimulated mast cells, and induced TNF-α expression in a TLR4, JNK and P38 MAPK dependent manner. In vivo, using implanted diffusion chambers, we confirmed the release and transmission of mast cell-derived EVs to other mast cells with subsequent induction of TNF-α expression. These data show an EV-mediated spreading of pro-inflammatory response between mast cells, and provide the first in vivo evidence for the biological role of mast cell-derived EVs.
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Affiliation(s)
- Krisztina V. Vukman
- Department of GeneticsCell‐ and ImmunobiologySemmelweis UniversityBudapestHungary
| | - Andrea Ferencz
- Department of Surgical Research and TechniquesSemmelweis UniversityBudapestHungary
| | - Daniella Fehér
- Department of Surgical Research and TechniquesSemmelweis UniversityBudapestHungary
| | - Krisztina Juhos
- Department of Surgical Research and TechniquesSemmelweis UniversityBudapestHungary
| | - Péter Lőrincz
- Department of AnatomyCell and Developmental BiologyEötvös Loránd UniversityBudapestHungary
| | - Tamás Visnovitz
- Department of GeneticsCell‐ and ImmunobiologySemmelweis UniversityBudapestHungary
| | - Anna Koncz
- Department of GeneticsCell‐ and ImmunobiologySemmelweis UniversityBudapestHungary
| | - Krisztina Pálóczi
- Department of GeneticsCell‐ and ImmunobiologySemmelweis UniversityBudapestHungary
| | - Gábor Seregélyes
- Department of GeneticsCell‐ and ImmunobiologySemmelweis UniversityBudapestHungary
| | - András Försönits
- Department of GeneticsCell‐ and ImmunobiologySemmelweis UniversityBudapestHungary
| | - Delaram Khamari
- Department of GeneticsCell‐ and ImmunobiologySemmelweis UniversityBudapestHungary
| | - Alicia Galinsoga
- Department of GeneticsCell‐ and ImmunobiologySemmelweis UniversityBudapestHungary
| | - László Drahos
- MS Proteomics Research GroupHungarian Academy of SciencesInstitute of Organic ChemistryBudapestHungary
| | - Edit I. Buzás
- Department of GeneticsCell‐ and ImmunobiologySemmelweis UniversityBudapestHungary
- MTA‐SE Immune‐Proteogenomics Extracellular Vesicle Research GroupBudapestHungary
- HCEMM‐SE Extracellular Vesicle Research GroupBudapestHungary
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27
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Falduto GH, Pfeiffer A, Luker A, Metcalfe DD, Olivera A. Emerging mechanisms contributing to mast cell-mediated pathophysiology with therapeutic implications. Pharmacol Ther 2020; 220:107718. [PMID: 33130192 DOI: 10.1016/j.pharmthera.2020.107718] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 10/26/2020] [Indexed: 02/07/2023]
Abstract
Mast cells are tissue-resident immune cells that play key roles in the initiation and perpetuation of allergic inflammation, usually through IgE-mediated mechanisms. Mast cells are, however, evolutionary ancient immune cells that can be traced back to urochordates and before the emergence of IgE antibodies, suggesting their involvement in antibody-independent biological functions, many of which are still being characterized. Herein, we summarize recent advances in understanding the roles of mast cells in health and disease, partly through the study of emerging non-IgE receptors such as the Mas-related G protein-coupled receptor X2, implicated in pseudo-allergic reactions as well as in innate defense and neuronal sensing; the mechano-sensing adhesion G protein-coupled receptor E2, variants of which are associated with familial vibratory urticaria; and purinergic receptors, which orchestrate tissue damage responses similarly to the IL-33 receptor. Recent evidence also points toward novel mechanisms that contribute to mast cell-mediated pathophysiology. Thus, in addition to releasing preformed mediators contained in granules and synthesizing mediators de novo, mast cells also secrete extracellular vesicles, which convey biological functions. Understanding their release, composition and uptake within a variety of clinical conditions will contribute to the understanding of disease specific pathology and likely lead the way to novel therapeutic approaches. We also discuss recent advances in the development of therapies targeting mast cell activity, including the ligation of inhibitory ITIM-containing receptors, and other strategies that suppress mast cells or responses to mediators for the management of mast cell-related diseases.
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Affiliation(s)
- Guido H Falduto
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Annika Pfeiffer
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Andrea Luker
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Dean D Metcalfe
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Ana Olivera
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA.
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28
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Orinska Z, Hagemann PM, Halova I, Draber P. Tetraspanins in the regulation of mast cell function. Med Microbiol Immunol 2020; 209:531-543. [PMID: 32507938 PMCID: PMC7395004 DOI: 10.1007/s00430-020-00679-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 05/06/2020] [Indexed: 12/13/2022]
Abstract
Mast cells (MCs) are long-living immune cells highly specialized in the storage and release of different biologically active compounds and are involved in the regulation of innate and adaptive immunity. MC degranulation and replacement of MC granules are accompanied by active membrane remodelling. Tetraspanins represent an evolutionary conserved family of transmembrane proteins. By interacting with lipids and other membrane and intracellular proteins, they are involved in organisation of membrane protein complexes and act as "molecular facilitators" connecting extracellular and cytoplasmic signaling elements. MCs express different tetraspanins and MC degranulation is accompanied by changes in membrane organisation. Therefore, tetraspanins are very likely involved in the regulation of MC exocytosis and membrane reorganisation after degranulation. Antiviral response and production of exosomes are further aspects of MC function characterized by dynamic changes of membrane organization. In this review, we pay a particular attention to tetraspanin gene expression in different human and murine MC populations, discuss tetraspanin involvement in regulation of key MC signaling complexes, and analyze the potential contribution of tetraspanins to MC antiviral response and exosome production. In-depth knowledge of tetraspanin-mediated molecular mechanisms involved in different aspects of the regulation of MC response will be beneficial for patients with allergies, characterized by overwhelming MC reactions.
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Affiliation(s)
- Zane Orinska
- Division of Experimental Pneumology, Research Center Borstel, Leibniz Lungenzentrum, Airway Research Center North, German Center for Lung Research (DZL), Borstel, Germany.
| | - Philipp M Hagemann
- Division of Experimental Pneumology, Research Center Borstel, Leibniz Lungenzentrum, Airway Research Center North, German Center for Lung Research (DZL), Borstel, Germany
| | - Ivana Halova
- Department of Signal Transduction, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Petr Draber
- Department of Signal Transduction, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
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29
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Yin Y, Shelke GV, Lässer C, Brismar H, Lötvall J. Extracellular vesicles from mast cells induce mesenchymal transition in airway epithelial cells. Respir Res 2020; 21:101. [PMID: 32357878 PMCID: PMC7193353 DOI: 10.1186/s12931-020-01346-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 04/01/2020] [Indexed: 12/15/2022] Open
Abstract
Background In the airways, mast cells are present in close vicinity to epithelial cells, and they can interact with each other via multiple factors, including extracellular vesicles (EVs). Mast cell-derived EVs have a large repertoire of cargos, including proteins and RNA, as well as surface DNA. In this study, we hypothesized that these EVs can induce epithelial to mesenchymal transition (EMT) in airway epithelial cells. Methods In this in-vitro study we systematically determined the effects of mast cell-derived EVs on epithelial A549 cells. We determined the changes that are induced by EVs on A549 cells at both the RNA and protein levels. Moreover, we also analyzed the rapid changes in phosphorylation events in EV-recipient A549 cells using a phosphorylated protein microarray. Some of the phosphorylation-associated events associated with EMT were validated using immunoblotting. Results Morphological and transcript analysis of epithelial A549 cells indicated that an EMT-like phenotype was induced by the EVs. Transcript analysis indicated the upregulation of genes involved in EMT, including TWIST1, MMP9, TGFB1, and BMP-7. This was accompanied by downregulation of proteins such as E-cadherin and upregulation of Slug-Snail and matrix metalloproteinases. Additionally, our phosphorylated-protein microarray analysis revealed proteins associated with the EMT cascade that were upregulated after EV treatment. We also found that transforming growth factor beta-1, a well-known EMT inducer, is associated with EVs and mediates the EMT cascade induced in the A549 cells. Conclusion Mast cell-derived EVs mediate the induction of EMT in epithelial cells, and our evidence suggests that this is triggered through the induction of protein phosphorylation cascades.
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Affiliation(s)
- Yanan Yin
- Krefting Research Centre, Institute of Medicine at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University, School of Medicine, 280 South Chongqing Road, Shanghai, 200025, China
| | - Ganesh Vilas Shelke
- Krefting Research Centre, Institute of Medicine at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden. .,The Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden. .,Department of Surgery, Institute of Clinical Sciences, University of Gothenburg and Sahlgrenska University Hospital, Gothenburg, Sweden.
| | - Cecilia Lässer
- Krefting Research Centre, Institute of Medicine at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Hjalmar Brismar
- Science for Life Laboratory, Dept. of Applied Physics, Royal Institute of Technology, PO Box 1031, 17121, Solna, Sweden
| | - Jan Lötvall
- Krefting Research Centre, Institute of Medicine at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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30
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Weiskirchen R, Meurer SK, Liedtke C, Huber M. Mast Cells in Liver Fibrogenesis. Cells 2019; 8:E1429. [PMID: 31766207 PMCID: PMC6912398 DOI: 10.3390/cells8111429] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/05/2019] [Accepted: 11/10/2019] [Indexed: 01/10/2023] Open
Abstract
Mast cells (MCs) are immune cells of the myeloid lineage that are present in the connective tissue throughout the body and in mucosa tissue. They originate from hematopoietic stem cells in the bone marrow and circulate as MC progenitors in the blood. After migration to various tissues, they differentiate into their mature form, which is characterized by a phenotype containing large granules enriched in a variety of bioactive compounds, including histamine and heparin. These cells can be activated in a receptor-dependent and -independent manner. Particularly, the activation of the high-affinity immunoglobulin E (IgE) receptor, also known as FcεRI, that is expressed on the surface of MCs provoke specific signaling cascades that leads to intracellular calcium influx, activation of different transcription factors, degranulation, and cytokine production. Therefore, MCs modulate many aspects in physiological and pathological conditions, including wound healing, defense against pathogens, immune tolerance, allergy, anaphylaxis, autoimmune defects, inflammation, and infectious and other disorders. In the liver, MCs are mainly associated with connective tissue located in the surrounding of the hepatic arteries, veins, and bile ducts. Recent work has demonstrated a significant increase in MC number during hepatic injury, suggesting an important role of these cells in liver disease and progression. In the present review, we summarize aspects of MC function and mediators in experimental liver injury, their interaction with other hepatic cell types, and their contribution to the pathogenesis of fibrosis.
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Affiliation(s)
- Ralf Weiskirchen
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), University Hospital, RWTH Aachen University, D-52074 Aachen, Germany;
| | - Steffen K. Meurer
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), University Hospital, RWTH Aachen University, D-52074 Aachen, Germany;
| | - Christian Liedtke
- Department of Internal Medicine III, University Hospital, RWTH Aachen University, D-52074 Aachen, Germany;
| | - Michael Huber
- Institute of Biochemistry and Molecular Immunology, Medical Faculty, RWTH Aachen University, D-52074 Aachen, Germany
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31
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Shelke GV, Yin Y, Jang SC, Lässer C, Wennmalm S, Hoffmann HJ, Li L, Gho YS, Nilsson JA, Lötvall J. Endosomal signalling via exosome surface TGFβ-1. J Extracell Vesicles 2019; 8:1650458. [PMID: 31595182 PMCID: PMC6764367 DOI: 10.1080/20013078.2019.1650458] [Citation(s) in RCA: 104] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 06/24/2019] [Accepted: 07/25/2019] [Indexed: 12/24/2022] Open
Abstract
Extracellular vesicles such as exosomes convey biological messages between cells, either by surface-to-surface interaction or by shuttling of bioactive molecules to a recipient cell's cytoplasm. Here we show that exosomes released by mast cells harbour both active and latent transforming growth factor β-1 (TGFβ-1) on their surfaces. The latent form of TGFβ-1 is associated with the exosomes via heparinase-II and pH-sensitive elements. These vesicles traffic to the endocytic compartment of recipient human mesenchymal stem cells (MSCs) within 60 min of exposure. Further, the exosomes-associated TGFβ-1 is retained within the endosomal compartments at the time of signalling, which results in prolonged cellular signalling compared to free-TGFβ-1. These exosomes induce a migratory phenotype in primary MSCs involving SMAD-dependent pathways. Our results show that mast cell-derived exosomes are decorated with latent TGFβ-1 and are retained in recipient MSC endosomes, influencing recipient cell migratory phenotype. We conclude that exosomes can convey signalling within endosomes by delivering bioactive surface ligands to this intracellular compartment.
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Affiliation(s)
- Ganesh Vilas Shelke
- Krefting Research Centre, Institute of Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Department of Surgery, Institute of Clinical Sciences, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Yanan Yin
- Krefting Research Centre, Institute of Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Su Chul Jang
- Krefting Research Centre, Institute of Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Cecilia Lässer
- Krefting Research Centre, Institute of Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Stefan Wennmalm
- Royal Institute of Technology-KTH, Department of Applied Physics, Experimental Biomolecular Physics Group, SciLife Laboratory, Solna, Sweden
| | - Hans Jürgen Hoffmann
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Department of respiratory and Allergy, Aarhus University Hospital, Aarhus, Denmark
| | - Li Li
- Department of Laboratory Medicine, Shanghai First People's Hospital, Shanghai JiaoTong University, Shanghai, China
| | - Yong Song Gho
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Jonas Andreas Nilsson
- Department of Surgery, Institute of Clinical Sciences, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Jan Lötvall
- Krefting Research Centre, Institute of Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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Theoharides TC, Tsilioni I, Ren H. Recent advances in our understanding of mast cell activation - or should it be mast cell mediator disorders? Expert Rev Clin Immunol 2019; 15:639-656. [PMID: 30884251 PMCID: PMC7003574 DOI: 10.1080/1744666x.2019.1596800] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 03/14/2019] [Indexed: 02/07/2023]
Abstract
INTRODUCTION An increasing number of patients present with multiple symptoms affecting many organs including the brain due to multiple mediators released by mast cells. These unique tissue immune cells are critical for allergic reactions triggered by immunoglobulin E (IgE), but are also stimulated (not activated) by immune, drug, environmental, food, infectious, and stress triggers, leading to secretion of multiple mediators often without histamine and tryptase. The presentation, diagnosis, and management of the spectrum of mast cell disorders are very confusing. As a result, neuropsychiatric symptoms have been left out, and diagnostic criteria made stricter excluding most patients. Areas covered: A literature search was performed on papers published between January 1990 and November 2018 using MEDLINE. Terms used were activation, antihistamines, atopy, autism, brain fog, heparin, KIT mutation, IgE, inflammation, IL-6, IL-31, IL-37, luteolin, mast cells, mastocytosis, mediators, mycotoxins, release, secretion, tetramethoxyluteolin, and tryptase. Expert opinion: Conditions associated with elevated serum or urine levels of any mast cell mediator, in the absence of comorbidities that could explain elevated levels, should be considered 'Mast Cell Mediator Disorders (MCMD).' Emphasis should be placed on the identification of unique mast cell mediators, and development of drugs or supplements that inhibit their release.
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Affiliation(s)
- Theoharis C. Theoharides
- Molecular Immunopharmacology and Drug Discovery Laboratory, Department of Immunology, Tufts University School of Medicine, Boston, MA, USA
- Sackler School of Graduate Biomedical Sciences, Tufts University School of Medicine, Boston, MA, USA
- Department of Internal Medicine, Tufts University School of Medicine and Tufts Medical Center, Boston, MA, USA
- Department of Psychiatry, Tufts University School of Medicine and Tufts Medical Center, Boston, MA, USA
| | - Irene Tsilioni
- Molecular Immunopharmacology and Drug Discovery Laboratory, Department of Immunology, Tufts University School of Medicine, Boston, MA, USA
| | - Huali Ren
- Department of Otolaryngology, Beijing Electric Power Hospital, Beijing, China
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Sato K, Kennedy L, Liangpunsakul S, Kusumanchi P, Yang Z, Meng F, Glaser S, Francis H, Alpini G. Intercellular Communication between Hepatic Cells in Liver Diseases. Int J Mol Sci 2019; 20:ijms20092180. [PMID: 31052525 PMCID: PMC6540342 DOI: 10.3390/ijms20092180] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 04/23/2019] [Accepted: 04/29/2019] [Indexed: 02/06/2023] Open
Abstract
Liver diseases are perpetuated by the orchestration of hepatocytes and other hepatic non-parenchymal cells. These cells communicate and regulate with each other by secreting mediators such as peptides, hormones, and cytokines. Extracellular vesicles (EVs), small particles secreted from cells, contain proteins, DNAs, and RNAs as cargos. EVs have attracted recent research interests since they can communicate information from donor cells to recipient cells thereby regulating physiological events via delivering of specific cargo mediators. Previous studies have demonstrated that liver cells secrete elevated numbers of EVs during diseased conditions, and those EVs are internalized into other liver cells inducing disease-related reactions such as inflammation, angiogenesis, and fibrogenesis. Reactions in recipient cells are caused by proteins and RNAs carried in disease-derived EVs. This review summarizes cell-to-cell communication especially via EVs in the pathogenesis of liver diseases and their potential as a novel therapeutic target.
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Grants
- R01 DK110035 NIDDK NIH HHS
- I01 BX000574 BLRD VA
- IK6 BX004601 BLRD VA
- R01 DK108959 NIDDK NIH HHS
- K01 AA026385 NIAAA NIH HHS
- I01 BX001724 BLRD VA
- DK054811, DK076898, DK107310, DK110035, DK062975, AA025997, DK108959, AA025208, DK107682, AA026917, AA026903, AA025157, and AA026385 NIH HHS
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Affiliation(s)
- Keisaku Sato
- Richard L. Roudebush VA Medical Center, Indianapolis, IN 46202, USA.
- Indiana Center for Liver Research, Division of Gastroenterology & Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
| | - Lindsey Kennedy
- Richard L. Roudebush VA Medical Center, Indianapolis, IN 46202, USA.
- Indiana Center for Liver Research, Division of Gastroenterology & Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
| | - Suthat Liangpunsakul
- Richard L. Roudebush VA Medical Center, Indianapolis, IN 46202, USA.
- Indiana Center for Liver Research, Division of Gastroenterology & Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
| | - Praveen Kusumanchi
- Richard L. Roudebush VA Medical Center, Indianapolis, IN 46202, USA.
- Indiana Center for Liver Research, Division of Gastroenterology & Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
| | - Zhihong Yang
- Richard L. Roudebush VA Medical Center, Indianapolis, IN 46202, USA.
- Indiana Center for Liver Research, Division of Gastroenterology & Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
| | - Fanyin Meng
- Richard L. Roudebush VA Medical Center, Indianapolis, IN 46202, USA.
- Indiana Center for Liver Research, Division of Gastroenterology & Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
| | - Shannon Glaser
- Department of Medical Physiology, Texas A&M University, Temple, TX 76504, USA.
| | - Heather Francis
- Richard L. Roudebush VA Medical Center, Indianapolis, IN 46202, USA.
- Indiana Center for Liver Research, Division of Gastroenterology & Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
| | - Gianfranco Alpini
- Richard L. Roudebush VA Medical Center, Indianapolis, IN 46202, USA.
- Indiana Center for Liver Research, Division of Gastroenterology & Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
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