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Idelman G, Rizza CF, Marella S, Sharma A, Chakraborty S, Tay HL, Tomar S, Ganesan V, Schuler CF, Baker JR, Hogan SP. Inducible pluripotent stem cells to study human mast cell trajectories. Mucosal Immunol 2024:S1933-0219(24)00069-2. [PMID: 39038754 DOI: 10.1016/j.mucimm.2024.07.003] [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: 09/14/2023] [Revised: 07/09/2024] [Accepted: 07/15/2024] [Indexed: 07/24/2024]
Abstract
Mast cells (MCs) are derived from CD34+ hematopoietic progenitors, consist of different subtypes, and are involved in several inflammatory conditions. However, our understanding of human MC developmental trajectories and subtypes has been limited by a scarcity of suitable cellular model systems. Herein, we developed an in vitro model of human MC differentiation from induced pluripotent stem cells (iPSC) to study human MC differentiation trajectories. Flow cytometry characterization of hemopoietic cells derived from the myeloid cells-forming complex (MCFC) revealed an initial increase in Lin- CD34+ hematopoietic progenitors within Weeks 1-3, followed by an increase in CD34- CD45RA- SSClow and SSChigh hematopoietic cells. The Lin- CD34+ hematopoietic progenitors consisted of SSClow CD45RA- CD123± c-Kit+ FcεRI+ populations that were β7-integrinhigh CD203c+ and β7-integrinhigh CD203c- cells consistent with CMPFcεRI+ cells. Flow cytometry and cytologic analyses of the CD34- Lin- (SSClow) population revealed hypogranular cell populations, predominantly characterized by CD45RA- CD123± c-Kit+ FcεRI- β7-integrinlow and CD45RA- CD123± c-Kit- FcεRI+ β7-integrinMid cells. Analyses of hypergranular SSChigh cells identified Lin- CD34- CD45RA- c-Kit+ FcεRI- and Lin- CD34- CD45RA- c-Kit+ FcεRI+ cells. scRNA-seq analysis of the cells harvested at week 4 of the MCFC culture revealed the presence of monocyte and granulocyte progenitors (n = 547 cells, 26.7 %), Erythrocyte / unknown (n = 85, 4.1 %), neutrophils / myelocytes (n = 211 cells, 10.2 %), mast cell progenitor 1 (n = 599, 29.1 %), mast cell progenitor 2 (n = 152, 7.4 %), committed mast cell precursor (n = 113, 5.5 %), and MCs (n = 353, 17.1 %). In silico analyses of the MC precursor and mature MC populations revealed transcriptionally distinct MC precursor subtype and mature MC states (CMA1+ and CMA1- subtypes). Culturing MC precursor populations in MC maturation media (mast cell media II) led to homogenous mature MC populations as evidenced by high expression of high-affinity IgE receptor, metachromatic granules, presence of MC granule proteins (Tryptase and Chymase) and activation following substance P stimulation and FcεRI crosslinking. This human iPSC-based approach generates MC precursors and phenotypically mature and functional MC populations. This system will be a useful model to generate human MC populations and broaden our understanding of MC biology and transcriptional regulation of MC differentiation trajectories.
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Affiliation(s)
- Gila Idelman
- Mary H Weiser Food Allergy Center, Michigan Medicine, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA
| | - Christian F Rizza
- Department of Pathology, Michigan Medicine, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA
| | - Sahiti Marella
- Department of Pathology, Michigan Medicine, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA
| | - Ankit Sharma
- Mary H Weiser Food Allergy Center, Michigan Medicine, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA
| | - Somdutta Chakraborty
- Mary H Weiser Food Allergy Center, Michigan Medicine, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA
| | - Hock L Tay
- Mary H Weiser Food Allergy Center, Michigan Medicine, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA
| | - Sunil Tomar
- Mary H Weiser Food Allergy Center, Michigan Medicine, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA
| | - Varsha Ganesan
- Mary H Weiser Food Allergy Center, Michigan Medicine, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA
| | - Charles F Schuler
- Mary H Weiser Food Allergy Center, Michigan Medicine, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA; Division of Allergy and Clinical Immunology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - James R Baker
- Mary H Weiser Food Allergy Center, Michigan Medicine, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA; Division of Allergy and Clinical Immunology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Simon P Hogan
- Mary H Weiser Food Allergy Center, Michigan Medicine, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA; Department of Pathology, Michigan Medicine, University of Michigan, 109 Zina Pitcher Place, Ann Arbor, MI 48109-2200, USA.
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2
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Smith J, Tan JKH, Short C, O'Neill H, Moro C. The effect of myeloablative radiation on urinary bladder mast cells. Sci Rep 2024; 14:6219. [PMID: 38485999 PMCID: PMC10940702 DOI: 10.1038/s41598-024-56655-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 03/08/2024] [Indexed: 03/18/2024] Open
Abstract
Radiation-induced cystitis is an inflammatory condition affecting the urinary bladder, which can develop as a side effect of abdominopelvic radiotherapy, specifically external-beam radiation therapy or myeloablative radiotherapy. A possible involvement of mast cells in the pathophysiology of radiation-induced cystitis has been indicated in cases of external-beam radiation therapy; however, there is no evidence that these findings apply to the myeloablative aetiology. As such, this study investigated potential changes to urinary bladder mast cell prevalence when exposed to myeloablative radiation. Lethally irradiated C57BL/6J mice that received donor rescue bone marrow cells exhibited an increased mast cell frequency amongst host leukocytes 1 week following irradiation. By 4 weeks, no significant difference in either frequency or cell density was observed. However mast cell diameter was smaller, and a significant increase in mast cell number in the adventitia was observed. This study highlights that mast cells constitute a significant portion of the remaining host leukocyte population following radiation exposure, with changes to mast cell distribution and decreased cell diameter four weeks following radiation-induced injury.
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Affiliation(s)
- Jessica Smith
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD, 4226, Australia
| | - Jonathan Kah Huat Tan
- Clem Jones Centre for Regenerative Medicine, Bond University, Gold Coast, QLD, 4226, Australia
| | - Christie Short
- Clem Jones Centre for Regenerative Medicine, Bond University, Gold Coast, QLD, 4226, Australia
| | - Helen O'Neill
- Clem Jones Centre for Regenerative Medicine, Bond University, Gold Coast, QLD, 4226, Australia
| | - Christian Moro
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD, 4226, Australia.
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3
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Smith J, Tan JKH, Moro C. Mast cell distribution and prevalence in the murine urinary bladder. BMC Urol 2024; 24:51. [PMID: 38443866 PMCID: PMC10913575 DOI: 10.1186/s12894-024-01435-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 02/20/2024] [Indexed: 03/07/2024] Open
Abstract
BACKGROUND Mast cells have been implicated in the pathology of various urinary bladder disorders. However, the distribution of mast cells throughout urinary bladder tissue remains uncertain despite mast cell prevalence being relatively well-defined. Using a mouse tissue model, this study aims to characterise the prevalence and distribution of mast cells throughout the urinary bladder. METHODS Bladder tissues were collected from six C57BL/6J female mice. Mast cell prevalence was quantified by flow cytometry, based on the expression of the following characteristic markers: CD45, CD117 and FcɛRIα. The toluidine blue stain assessed mast cell distribution, size, and proximity to vasculature. A repeated measures one-way ANOVA was used to evaluate the density of mast cells between the discrete layers of the urinary bladder, and an ordinary one-way ANOVA was used to assess potential differences between mast cell size across the urinary bladder wall. RESULTS It was determined that mast cells compose less than 4% of all live leukocytes in the urinary bladder. They were also found to be more prominent in the lamina propria and detrusor muscle layers, compared to the urothelium and adventitia. In addition, 20.89% of mast cells were located near vasculature, which may be an important factor in consideration of their function and potential to contribute to various bladder pathologies, such as cystitis or overactive bladder. CONCLUSION These findings provide a baseline understanding of mast cell prevalence and distribution throughout the urinary bladder.
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Affiliation(s)
- Jessica Smith
- Clem Jones Centre for Regenerative Medicine, Bond University, Queensland, 4226, Australia
| | - Jonathan Kah Huat Tan
- Clem Jones Centre for Regenerative Medicine, Bond University, Queensland, 4226, Australia
| | - Christian Moro
- Faculty of Health Sciences and Medicine, Bond University, Queensland, 4226, Australia.
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4
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Luan Y, Zhu X, Jiao Y, Liu H, Huang Z, Pei J, Xu Y, Yang Y, Ren K. Cardiac cell senescence: molecular mechanisms, key proteins and therapeutic targets. Cell Death Discov 2024; 10:78. [PMID: 38355681 PMCID: PMC10866973 DOI: 10.1038/s41420-023-01792-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 12/13/2023] [Accepted: 12/21/2023] [Indexed: 02/16/2024] Open
Abstract
Cardiac aging, particularly cardiac cell senescence, is a natural process that occurs as we age. Heart function gradually declines in old age, leading to continuous heart failure, even in people without a prior history of heart disease. To address this issue and improve cardiac cell function, it is crucial to investigate the molecular mechanisms underlying cardiac senescence. This review summarizes the main mechanisms and key proteins involved in cardiac cell senescence. This review further discusses the molecular modulators of cellular senescence in aging hearts. Furthermore, the discussion will encompass comprehensive descriptions of the key drugs, modes of action and potential targets for intervention in cardiac senescence. By offering a fresh perspective and comprehensive insights into the molecular mechanisms of cardiac senescence, this review seeks to provide a fresh perspective and important theoretical foundations for the development of drugs targeting this condition.
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Affiliation(s)
- Yi Luan
- Clinical Systems Biology Laboratories, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China
| | - Xiaofan Zhu
- Genetic and Prenatal Diagnosis Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China
| | - Yuxue Jiao
- Clinical Systems Biology Laboratories, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China
| | - Hui Liu
- School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, P. R. China
| | - Zhen Huang
- School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, P. R. China
| | - Jinyan Pei
- Quality Management Department, Henan No.3 Provincial People's Hospital, Zhengzhou, 450052, P. R. China
| | - Yawei Xu
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China.
| | - Yang Yang
- Clinical Systems Biology Laboratories, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China.
| | - Kaidi Ren
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China.
- Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, 450052, P. R. China.
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Mamazhakypov A, Maripov A, Sarybaev AS, Schermuly RT, Sydykov A. Mast Cells in Cardiac Remodeling: Focus on the Right Ventricle. J Cardiovasc Dev Dis 2024; 11:54. [PMID: 38392268 PMCID: PMC10889421 DOI: 10.3390/jcdd11020054] [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: 12/13/2023] [Revised: 01/31/2024] [Accepted: 02/02/2024] [Indexed: 02/24/2024] Open
Abstract
In response to various stressors, cardiac chambers undergo structural remodeling. Long-term exposure of the right ventricle (RV) to pressure or volume overload leads to its maladaptive remodeling, associated with RV failure and increased mortality. While left ventricular adverse remodeling is well understood and therapeutic options are available or emerging, RV remodeling remains underexplored, and no specific therapies are currently available. Accumulating evidence implicates the role of mast cells in RV remodeling. Mast cells produce and release numerous inflammatory mediators, growth factors and proteases that can adversely affect cardiac cells, thus contributing to cardiac remodeling. Recent experimental findings suggest that mast cells might represent a potential therapeutic target. This review examines the role of mast cells in cardiac remodeling, with a specific focus on RV remodeling, and explores the potential efficacy of therapeutic interventions targeting mast cells to mitigate adverse RV remodeling.
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Affiliation(s)
- Argen Mamazhakypov
- Department of Internal Medicine, Excellence Cluster Cardio-Pulmonary Institute (CPI), Member of the German Center for Lung Research (DZL), Justus Liebig University of Giessen, 35392 Giessen, Germany
| | - Abdirashit Maripov
- Department of Mountain and Sleep Medicine and Pulmonary Hypertension, National Center of Cardiology and Internal Medicine, Bishkek 720040, Kyrgyzstan
| | - Akpay S Sarybaev
- Department of Mountain and Sleep Medicine and Pulmonary Hypertension, National Center of Cardiology and Internal Medicine, Bishkek 720040, Kyrgyzstan
| | - Ralph Theo Schermuly
- Department of Internal Medicine, Excellence Cluster Cardio-Pulmonary Institute (CPI), Member of the German Center for Lung Research (DZL), Justus Liebig University of Giessen, 35392 Giessen, Germany
| | - Akylbek Sydykov
- Department of Internal Medicine, Excellence Cluster Cardio-Pulmonary Institute (CPI), Member of the German Center for Lung Research (DZL), Justus Liebig University of Giessen, 35392 Giessen, Germany
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6
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Abud EM, White AA. Mast Cells in Aspirin-Exacerbated Respiratory Disease. Curr Allergy Asthma Rep 2024; 24:73-80. [PMID: 38217825 DOI: 10.1007/s11882-024-01125-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/03/2024] [Indexed: 01/15/2024]
Abstract
PURPOSE OF REVIEW Aspirin-exacerbated respiratory disease (AERD) is a syndrome of high type 2 inflammation and is known to critically involve mast cell activation. The mast cell is an important cell in the baseline inflammatory processes in the upper and lower airway by maintaining and amplifying type 2 inflammation. But it also is prominent in the hypersensitivity reaction to COX-1 inhibition which defines this condition. RECENT FINDINGS Recent work highlights the mast cell as a focal point in AERD pathogenesis. Using AERD as a specific model of both high type 2 asthma and chronic sinusitis, the role of mast cell activity can be better understood in other aspects of airway inflammation. Further dissecting out the mechanism of COX-1-mediated mast cell activation in AERD will be an important next phase in our understanding of NSAID-induced hypersensitivity as well as AERD pathophysiology.
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Affiliation(s)
- Edsel M Abud
- Division of Allergy, Asthma, and Immunology, Scripps Clinic, San Diego, USA
- Scripps Research Translational Institute, Scripps Research, San Diego, USA
| | - Andrew A White
- Division of Allergy, Asthma, and Immunology, Scripps Clinic, San Diego, USA.
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7
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Lazki-Hagenbach P, Kleeblatt E, Fukuda M, Ali H, Sagi-Eisenberg R. The Underlying Rab Network of MRGPRX2-Stimulated Secretion Unveils the Impact of Receptor Trafficking on Secretory Granule Biogenesis and Secretion. Cells 2024; 13:93. [PMID: 38201297 PMCID: PMC10778293 DOI: 10.3390/cells13010093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 12/18/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
MRGPRX2, the human member of the MAS-related G-protein-coupled receptors (GPCRs), mediates the immunoglobulin E (IgE)-independent responses of a subset of mast cells (MCs) that are associated with itch, pain, neurogenic inflammation, and pseudoallergy to drugs. The mechanisms underlying the responses of MRGPRX2 to its multiple and diverse ligands are still not completely understood. Given the close association between GPCR location and function, and the key role played by Rab GTPases in controlling discrete steps along vesicular trafficking, we aimed to reveal the vesicular pathways that directly impact MRGPRX2-mediated exocytosis by identifying the Rabs that influence this process. For this purpose, we screened 43 Rabs for their functional and phenotypic impacts on MC degranulation in response to the synthetic MRGPRX2 ligand compound 48/80 (c48/80), which is often used as the gold standard of MRGPRX2 ligands, or to substance P (SP), an important trigger of neuroinflammatory MC responses. Results of this study highlight the important roles played by macropinocytosis and autophagy in controlling MRGPRX2-mediated exocytosis, demonstrating a close feedback control between the internalization and post-endocytic trafficking of MRGPRX2 and its triggered exocytosis.
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Affiliation(s)
- Pia Lazki-Hagenbach
- Department of Cell and Developmental Biology, Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel; (P.L.-H.); (E.K.)
| | - Elisabeth Kleeblatt
- Department of Cell and Developmental Biology, Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel; (P.L.-H.); (E.K.)
| | - Mitsunori Fukuda
- Laboratory of Membrane Trafficking Mechanisms, Department of Integrative Life Sciences, Graduate School of Life Sciences, Tohoku University, Aobayama, Aoba-ku, Sendai 980-8578, Miyagi, Japan;
| | - Hydar Ali
- Department of Basic and Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA;
| | - Ronit Sagi-Eisenberg
- Department of Cell and Developmental Biology, Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel; (P.L.-H.); (E.K.)
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
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8
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Malih S, Song YS, Sorenson CM, Sheibani N. Choroidal Mast Cells and Pathophysiology of Age-Related Macular Degeneration. Cells 2023; 13:50. [PMID: 38201254 PMCID: PMC10778483 DOI: 10.3390/cells13010050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/19/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
Age-related macular degeneration (AMD) remains a leading cause of vision loss in elderly patients. Its etiology and progression are, however, deeply intertwined with various cellular and molecular interactions within the retina and choroid. Among the key cellular players least studied are choroidal mast cells, with important roles in immune and allergic responses. Here, we will review what is known regarding the pathophysiology of AMD and expand on the recently proposed intricate roles of choroidal mast cells and their activation in outer retinal degeneration and AMD pathogenesis. We will focus on choroidal mast cell activation, the release of their bioactive mediators, and potential impact on ocular oxidative stress, inflammation, and overall retinal and choroidal health. We propose an important role for thrombospondin-1 (TSP1), a major ocular angioinflammatory factor, in regulation of choroidal mast cell homeostasis and activation in AMD pathogenesis. Drawing from limited studies, this review underscores the need for further comprehensive studies aimed at understanding the precise roles changes in TSP1 levels and choroidal mast cell activity play in pathophysiology of AMD. We will also propose potential therapeutic strategies targeting these regulatory pathways, and highlighting the promise they hold for curbing AMD progression through modulation of mast cell activity. In conclusion, the evolving understanding of the role of choroidal mast cells in AMD pathogenesis will not only offer deeper insights into the underlying mechanisms but will also offer opportunities for development of novel preventive strategies.
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Affiliation(s)
- Sara Malih
- Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA; (S.M.); (Y.-S.S.)
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran 15614, Iran
| | - Yong-Seok Song
- Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA; (S.M.); (Y.-S.S.)
- McPherson Eye Research Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA;
| | - Christine M. Sorenson
- McPherson Eye Research Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA;
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA
| | - Nader Sheibani
- Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA; (S.M.); (Y.-S.S.)
- McPherson Eye Research Institute, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA;
- Department of Cell and Regenerative Biology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA
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Abstract
Mastocytosis is characterized by expansion and activation of clonally aberrant mast cells (MCs) in one or more organ systems. Inappropriate MC activation is a key finding in both allergy and mastocytosis; therefore, symptoms in both conditions show some degree of overlap. When mediator release is excessive and involves multiple systems, anaphylaxis may occur. In mastocytosis, the prevalence of atopy is similar to those of the general population, whereas the incidence of anaphylaxis is significantly higher. The purpose of this review is to discuss features of allergy and anaphylaxis as well as the principles of managing MC mediator release symptoms in mastocytosis.
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Affiliation(s)
- Theo Gulen
- Department of Respiratory Medicine and Allergy, K85, Karolinska University Hospital Huddinge, Stockholm, SE-14186, Sweden; Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Mastocytosis Centre Karolinska, Karolinska University Hospital Huddinge, Stockholm, Sweden.
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10
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Gülen T. A Puzzling Mast Cell Trilogy: Anaphylaxis, MCAS, and Mastocytosis. Diagnostics (Basel) 2023; 13:3307. [PMID: 37958203 PMCID: PMC10647312 DOI: 10.3390/diagnostics13213307] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/10/2023] [Accepted: 10/12/2023] [Indexed: 11/15/2023] Open
Abstract
Our knowledge of biology and mast cell (MC) function, as well as disorders associated with the pathologic activation of MCs, has evolved over the last few decades. Anaphylaxis, mast cell activation syndrome (MCAS), and mastocytosis are interrelated yet distinct conditions within the spectrum of mast cell activation disorders. Nevertheless, all three conditions can co-exist in one and the same patient, as pathologic MC activation is the key finding in all three. When mediator release is excessive and involves multiple systems, anaphylaxis and MCAS may occur. Furthermore, mastocytosis is a clonal disorder of MCs and often presents with anaphylaxis and MCAS. Nevertheless, in some cases, even the proliferative and accumulative features of MCs in mastocytosis can account for symptoms and disease progression. In each case, diagnosis can be only made when the diagnostic consensus criteria are fulfilled. The current article aims to provide a concise clinical update and pinpoint the main difficulties in diagnosing these puzzling disorders of MCs in medical practice.
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Affiliation(s)
- Theo Gülen
- Department of Respiratory Medicine and Allergy, Karolinska University Hospital Huddinge, 141 86 Stockholm, Sweden;
- Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet, 171 77 Stockholm, Sweden
- Department of Medicine Huddinge, Karolinska Institutet, 141 52 Stockholm, Sweden
- Mastocytosis Centre Karolinska, Karolinska University Hospital Huddinge, 141 86 Stockholm, Sweden
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Molcak H, Jiang K, Campbell CJ, Matsubara JA. Purinergic signaling via P2X receptors and mechanisms of unregulated ATP release in the outer retina and age-related macular degeneration. Front Neurosci 2023; 17:1216489. [PMID: 37496736 PMCID: PMC10366617 DOI: 10.3389/fnins.2023.1216489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 06/26/2023] [Indexed: 07/28/2023] Open
Abstract
Age-related macular degeneration (AMD) is a chronic and progressive inflammatory disease of the retina characterized by photoceptor loss and significant central visual impairment due to either choroidal neovascularization or geographic atrophy. The pathophysiology of AMD is complex and multifactorial, driven by a combination of modifiable and non-modifiable risk factors, molecular mechanisms, and cellular processes that contribute to overall disease onset, severity, and progression. Unfortunately, due to the structural, cellular, and pathophysiologic complexity, therapeutic discovery is challenging. While purinergic signaling has been investigated for its role in the development and treatment of ocular pathologies including AMD, the potential crosstalk between known contributors to AMD, such as the complement cascade and inflammasome activation, and other biological systems, such as purinergic signaling, have not been fully characterized. In this review, we explore the interactions between purinergic signaling, ATP release, and known contributors to AMD pathogenesis including complement dysregulation and inflammasome activation. We begin by identifying what is known about purinergic receptors in cell populations of the outer retina and potential sources of extracellular ATP required to trigger purinergic receptor activation. Next, we examine evidence in the literature that the purinergic system accelerates AMD pathogenesis leading to apoptotic and pyroptotic cell death in retinal cells. To fully understand the potential role that purinergic signaling plays in AMD, more research is needed surrounding the expression, distribution, functions, and interactions of purinergic receptors within cells of the outer retina as well as potential crosstalk with other systems. By determining how these processes are affected in the context of purinergic signaling, it will improve our understanding of the mechanisms that drive AMD pathogenesis which is critical in developing treatment strategies that prevent or slow progression of the disease.
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Affiliation(s)
- Haydn Molcak
- Matsubara Lab, Faculty of Medicine, Department of Ophthalmology and Visual Sciences, Eye Care Centre, Vancouver, BC, Canada
| | - Kailun Jiang
- Matsubara Lab, Faculty of Medicine, Department of Ophthalmology and Visual Sciences, Eye Care Centre, Vancouver, BC, Canada
| | | | - Joanne A. Matsubara
- Matsubara Lab, Faculty of Medicine, Department of Ophthalmology and Visual Sciences, Eye Care Centre, Vancouver, BC, Canada
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12
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Riquelme-Neira R, Walker-Vergara R, Fernández-Blanco JA, Vergara P. IL-10 Modulates the Expression and Activation of Pattern Recognition Receptors in Mast Cells. Int J Mol Sci 2023; 24:9875. [PMID: 37373041 DOI: 10.3390/ijms24129875] [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: 04/25/2023] [Revised: 05/25/2023] [Accepted: 05/30/2023] [Indexed: 06/29/2023] Open
Abstract
Mast cells (MCs) are involved in several immune-related responses, including those in bacterial infections, autoimmune diseases, inflammatory bowel diseases, and cancer, among others. MCs identify microorganisms by pattern recognition receptors (PRRs), activating a secretory response. Interleukin (IL)-10 has been described as an important modulator of MC responses; however, its role in PRR-mediated activation of MC is not fully understood. We analyzed the activation of TLR2, TLR4, TLR7 and Nucleotide-binding oligomerization domain-containing protein 2 (NOD2) in mucosal-like MCs (MLMCs) and peritoneum-derived cultured MCs (PCMCs) from IL-10-/- and wild-type (WT) mice. IL-10-/- mice showed a reduced expression of TLR4 and NOD2 at week 6 and TLR7 at week 20 in MLMC. In MLMC and PCMC, TLR2 activation induced a reduced secretion of IL-6 and TNFα in IL-10-/- MCs. TLR4- and TLR7-mediated secretion of IL-6 and TNFα was not detected in PCMCs. Finally, no cytokine release was induced by NOD2 ligand, and responses to TLR2 and TLR4 were lower in MCs at 20 weeks. These findings indicate that PRR activation in MCs depends on the phenotype, ligand, age, and IL-10.
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Affiliation(s)
- Roberto Riquelme-Neira
- Núcleo de Investigaciones Aplicadas en Ciencias Veterinarias y Agronómicas, Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Sede Concepción, Chacabuco 539, Concepción 4070254, Chile
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Romina Walker-Vergara
- Núcleo de Investigaciones Aplicadas en Ciencias Veterinarias y Agronómicas, Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Sede Concepción, Chacabuco 539, Concepción 4070254, Chile
| | - Joan Antoni Fernández-Blanco
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Patrocinio Vergara
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
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Moriyama H, Endo J. Pathophysiological Involvement of Mast Cells and the Lipid Mediators in Pulmonary Vascular Remodeling. Int J Mol Sci 2023; 24:6619. [PMID: 37047587 PMCID: PMC10094825 DOI: 10.3390/ijms24076619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/24/2023] [Accepted: 03/30/2023] [Indexed: 04/05/2023] Open
Abstract
Mast cells are responsible for IgE-dependent allergic responses, but they also produce various bioactive mediators and contribute to the pathogenesis of various cardiovascular diseases, including pulmonary hypertension (PH). The importance of lipid mediators in the pathogenesis of PH has become evident in recent years, as exemplified by prostaglandin I2, the most central therapeutic target in pulmonary arterial hypertension. New bioactive lipids other than eicosanoids have also been identified that are associated with the pathogenesis of PH. However, it remains largely unknown how mast cell-derived lipid mediators are involved in pulmonary vascular remodeling. Recently, it has been demonstrated that mast cells produce epoxidized n-3 fatty acid (n-3 epoxides) in a degranulation-independent manner, and that n-3 epoxides produced by mast cells regulate the abnormal activation of pulmonary fibroblasts and suppress the progression of pulmonary vascular remodeling. This review summarizes the role of mast cells and bioactive lipids in the pathogenesis of PH. In addition, we introduce the pathophysiological role and therapeutic potential of n-3 epoxides, a mast cell-derived novel lipid mediator, in the pulmonary vascular remodeling in PH. Further knowledge of mast cells and lipid mediators is expected to lead to the development of innovative therapies targeting pulmonary vascular remodeling.
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Affiliation(s)
- Hidenori Moriyama
- Department of Cardiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku 160-8582, Tokyo, Japan
- Department of Cardiology, Tokyo Dental College Ichikawa General Hospital, 5-11-13 Sugano, Ichikawa 272-8513, Chiba, Japan
| | - Jin Endo
- Department of Cardiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku 160-8582, Tokyo, Japan
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14
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Zhou X, Hu Y, Liu L, Liu L, Chen H, Huang D, Ju M, Luan C, Chen K, Zhang J. IL-33-mediated activation of mast cells is involved in the progression of imiquimod-induced psoriasis-like dermatitis. Cell Commun Signal 2023; 21:52. [PMID: 36894987 PMCID: PMC9996901 DOI: 10.1186/s12964-023-01075-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 02/11/2023] [Indexed: 03/11/2023] Open
Abstract
BACKGROUND Psoriasis is a chronic inflammatory dermatosis with an unclear pathogenesis. Mast cells (MCs) can serve as a bridge between innate and adaptive immunity and are involved in the regulation of the inflammatory state and immune homeostasis in diseases. MCs constitutively express interleukin-33 receptor T1/ST2 (IL-33R). IL-33 is a potent MCs activator that is actively secreted by keratinocytes in psoriasis. However, the regulatory role of MCs in psoriasis remains uncertain. Therefore, we hypothesised that IL-33 could promote MC activation to regulate psoriasis development. METHODS We performed experiments on wild-type (WT) and MC-deficient (Kit Wsh/Wsh) mice, established psoriasis-like mouse models using imiquimod (IMQ), and performed RNA sequencing and transcriptomic analysis of skin lesions. Exogenous administration was performed using recombinant IL-33. Validation and evaluation were performed using PSI scoring, immunofluorescence, immunohistochemistry, and qPCR. RESULTS We observed an upregulation in the number and activation of MCs in patients with psoriasis and in IMQ-induced psoriasis-like dermatitis. Deficiency of MCs ameliorates IMQ-induced psoriatic dermatitis at an early stage. IL-33 is increased and co-localized with MCs in the dermis of psoriasis-like lesions using immunofluorescence. Compared to WT mice, IMQ-induced KitWsh/Wsh mice demonstrated a delayed response to exogenous IL-33. CONCLUSIONS MCs are activated by IL-33 in the early stages of psoriasis and exacerbate psoriasis-associated skin inflammation. The regulation of MC homeostasis may be a potential therapeutic strategy for psoriasis. Video Abstract.
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Affiliation(s)
- Xuyue Zhou
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Yu Hu
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Lingxi Liu
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Lihao Liu
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Hongying Chen
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Dan Huang
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Mei Ju
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Chao Luan
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China.
| | - Kun Chen
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China.
| | - Jiaan Zhang
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China.
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15
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Identification of Prognostic Aging-Related Genes Associated with Immune Cell Infiltration in Glioblastoma. JOURNAL OF ONCOLOGY 2023. [DOI: 10.1155/2023/9220547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
Background. Aging is recognized as a main tumor risk factor, and thus aging has become a field of interest in the tumor research field. Glioblastoma multiforme represents the most typical primary malignant intracranial tumor, particularly in the elderly. However, the association between aging-related genes (AGs) and GBM prognosis remains unknown. As a result, the primary goal of this study was to determine the association among AGs and the prognosis of GBM. Methods. A total of 307 human AGs were downloaded from the HAGR database, while the expression profiles of GSE4290 and GSE4412 were obtained from the GEO database. Furthermore, data on GBM expression profiles were obtained from the Chinese Glioma Genome Atlas (CGGA) database. The DEAGs that were differentially expressed among the AG and GBM gene expression profiles derived from GSE4290 were then identified, followed by functional analysis of the DEAGs. The survival-related AGs were then screened using univariate Cox regression analysis , which was used to build and validate a prognostic risk model. Furthermore, the ESTIMATE and CIBERSORT algorithms were utilized to explore the association between the survival-related AGs and the tumor immune microenvironment. Results. In entire, 29 DEAGs were identified in the GSE4290. This was monitored by the construction of the prognosis risk model using four DEAGs from the CGGA training set, including C1QA, CDK1, EFEMP1, and IGFBP2. Next, the risk model was confirmed in the CGGA experiment set and the GSE 4412 dataset. Results showed that C1QA, CDK1, EFEMP1, and IGFBP2 levels were remarkably higher in the high-risk score groups, and they had a good association with immune and stromal scores. Conclusion. A robust prognostic risk model was constructed and validated using four AGs, including C1QA, CDK1, EFEMP1, and IGFBP2, which had a close relationship with the immune microenvironment of GBM. This study offers a new reference to further explore the pathogenesis of GBM and recognize new and more effective GBM treatments.
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Onishchenko G, Nikolayeva N, Rakitskii V, Ilnitskaya A, Filin A, Korolev A, Nikitenko E, Denisova E, Tsakalof A, Guseva E, Kuzmin S, Tsatsakis A. Comprehensive study of health effects of plasma technology occupational environment: Exposure to high frequency and intensity noise and toxic gases. ENVIRONMENTAL RESEARCH 2023; 216:114691. [PMID: 36341799 DOI: 10.1016/j.envres.2022.114691] [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: 08/31/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
OBJECTIVES To evaluate on animal models the health effects of the combined or separate exposure to main chemical and physical hazards of plasma-based material processing technology environment. MATERIALS AND METHODS Male Wistar rats were exposed to actual levels of hazardous factors in plasma technology occupational environment: i.e., ozone and nitrogen oxides (O3 and NOx) in respective concentrations of 0.5 mg/m3 and 1.0 mg/m3 and high-frequency (1000-1600 Hz) of 112 dB intensity noise for 3 h/day, 5 days/week for 12 weeks, with a recovery period of 1 month. RESULTS Exposure to noise or its combination with chemical factors (ozone, nitrogen oxides) causes non-specific CNS changes testifying for significant excitation dominance, especially in the case of joint exposure. Histological examination of rats' brain in experimental revealed a pronounced increase in blood filling of small vessels on the tenth day of the experiment, with subsequent intensification of vascular alterations and eventually to cerebral edema. The exposure to noise significantly reduced total thymus, bone marrow and spleen cell numbers and these was also more pronounced under the joint impact of noise and toxic gases. Thymus, but not bone marrow or spleen, mitotic activity was as well reduced under the same modes of exposure. Cytological investigation of film preparations of subcutaneous connective tissue revealed that joint exposure led to microcirculatory disorders, increased number of dark mast cells and reduced degranulation processes indicative of increased autoregulatory processes effective at microvasculature level. CONCLUSIONS High-frequency and intensity noise is main stressor factor that has negative impact on CNS and immune system, morphology and functioning of hematopoietic organs (spleen, bone marrow, thymus) and connective tissue. Its negative impact is significantly potentiated by concurrent exposure to ozone and nitrogen oxide, while exposure only to these toxic gases has no significant effect on the above targets.
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Affiliation(s)
- Gennadiy Onishchenko
- IM Sechenov First Moscow State Medical University (Sechenov University), Department of Human Ecology and Environmental Hygiene, Bolshaya Pirogovskaya St., 2/2, Moscow, 119991, Russia
| | - Natalia Nikolayeva
- IM Sechenov First Moscow State Medical University (Sechenov University), Department of Human Ecology and Environmental Hygiene, Bolshaya Pirogovskaya St., 2/2, Moscow, 119991, Russia
| | - Valery Rakitskii
- Federal Budgetary Establishment of Science "F.F. Erisman Scientific Centre of Hygiene" of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing (Rospotrebnadzor), Semashko St., 2, Mytishchi, Moscow Region, 141014, Russia
| | - Alexandra Ilnitskaya
- Federal Budgetary Establishment of Science "F.F. Erisman Scientific Centre of Hygiene" of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing (Rospotrebnadzor), Semashko St., 2, Mytishchi, Moscow Region, 141014, Russia
| | - Andrey Filin
- IM Sechenov First Moscow State Medical University (Sechenov University), Department of Human Ecology and Environmental Hygiene, Bolshaya Pirogovskaya St., 2/2, Moscow, 119991, Russia
| | - Aleksei Korolev
- IM Sechenov First Moscow State Medical University (Sechenov University), Department of Human Ecology and Environmental Hygiene, Bolshaya Pirogovskaya St., 2/2, Moscow, 119991, Russia
| | - Elena Nikitenko
- IM Sechenov First Moscow State Medical University (Sechenov University), Department of Human Ecology and Environmental Hygiene, Bolshaya Pirogovskaya St., 2/2, Moscow, 119991, Russia
| | - Elena Denisova
- IM Sechenov First Moscow State Medical University (Sechenov University), Department of Human Ecology and Environmental Hygiene, Bolshaya Pirogovskaya St., 2/2, Moscow, 119991, Russia
| | - Andreas Tsakalof
- University of Thessaly, School of Medicine, Laboratory of Biochemistry, Biopolis, 41111, Larissa, Greece
| | - Ekaterina Guseva
- IM Sechenov First Moscow State Medical University (Sechenov University), Department of Human Ecology and Environmental Hygiene, Bolshaya Pirogovskaya St., 2/2, Moscow, 119991, Russia
| | - Sergey Kuzmin
- Federal Budgetary Establishment of Science "F.F. Erisman Scientific Centre of Hygiene" of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing (Rospotrebnadzor), Semashko St., 2, Mytishchi, Moscow Region, 141014, Russia
| | - Aristidis Tsatsakis
- Department of Forensic Sciences and Toxicology, Faculty of Medicine, University of Crete, 71003, Heraklion, Greece.
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Matsuoka I, Yoshida K, Ito MA. Purinergic regulation of mast cell function: P2X4 receptor-mediated enhancement of allergic responses. J Pharmacol Sci 2022; 150:94-99. [PMID: 36055757 DOI: 10.1016/j.jphs.2022.07.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 07/24/2022] [Accepted: 07/26/2022] [Indexed: 10/15/2022] Open
Abstract
Adenosine triphosphate (ATP) initially attracted attention as a neurotransmitter, with much research conducted on the regulation of neurotransmission in the autonomic and central nervous systems. ATP is also abundant as an energy currency in all living cells and is released into extracellular spaces by various regulated mechanisms. The role of ATP and related purine and pyrimidine nucleotides as extracellular signaling molecules in the regulation of immune cell functions has been reported as evidence for purinergic signaling and has become the focus of attention as therapeutic targets for various diseases. Mast cells (MCs) are distributed in tissues in contact with the outside environment and are the first immune cells to respond to non-microbial environmental antigens. Although extracellular ATP is known as an activator of MCs, the details remain to be investigated. Based on our series of studies, this review describes the unique features of ionotropic P2X4 receptor signals in MC functions. The role of purinergic signaling may exist in combination with various physiological, chemical and physical stimuli. The characteristics of P2X4 receptor-mediated action in MCs described in this article may provide clues to reveal the previously unknown effects induced by purinergic signaling.
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Affiliation(s)
- Isao Matsuoka
- Laboratory of Pharmacology, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki-shi, Gunma 370-0033, Japan.
| | - Kazuki Yoshida
- Laboratory of Pharmacology, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki-shi, Gunma 370-0033, Japan
| | - Masa-Aki Ito
- Laboratory of Pharmacology, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki-shi, Gunma 370-0033, Japan
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Lee JH, Jeon YD, Xin M, Lim JY, Lee YM, Kim DK. Mast cell modulates tumorigenesis caused by repeated bowel inflammation condition in azoxymethane/dextran sodium sulfate-induced colon cancer mouse model. Biochem Biophys Rep 2022; 30:101253. [PMID: 35378739 PMCID: PMC8976097 DOI: 10.1016/j.bbrep.2022.101253] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 11/30/2022] Open
Abstract
Mast cells infiltrate the inflammatory microenvironment and regulate the production of many pro-inflammatory cytokines and mediators of inflammatory cell production to promote tumor development and growth in intestinal lesions. Currently, there are insufficient studies of the mediators and signaling pathways regulated by mast cells that influence the pathogenesis of colon cancer in inflamed colon tissue. This study aimed to confirm the role of mast cells in the incidence and growth of colitis-associated colon cancer (CAC) and to identify inflammation-mediated factors and signaling pathways related to tumor development. CAC was induced by the administration of azoxymethane (AOM) and dextran sodium sulfate (DSS) in mast cell-deficient (WBB6F1/J-W/WV) and mast cell–sufficient control (WBB6F1_+/+) mice. The results confirmed that mast cell-deficient mice exhibited less tumor formation than normal mice under the same conditions, and down-regulated expression of pro-inflammatory cytokines and mediators. Mast cells play an important role in tumor formation by regulating pro-inflammatory cytokines and inflammatory mediators in CAC, indicating that they can act as new targets for the prevention and treatment of CAC. Mast cell deficiency attenuates AOM/DSS-induced colitis-associated colon cancer (CAC) symptoms. Mast cell deficiency decreases colorectal tumorigenesis in AOM/DSS-induced CAC mice. Mast cell deficiency alleviates pro-inflammatory cytokine secretion, such as TNF-α, IL-1β, and IL-6 in AOM/DSS-induced CAC mice. Mast cell deficiency reduces the expressions of Ki-67 and β-catenin in AOM/DSS-induced CAC mice.
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19
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Lazki-Hagenbach P, Kleeblatt E, Ali H, Sagi-Eisenberg R. Spatiotemporal Patterns of Substance P-Bound MRGPRX2 Reveal a Novel Connection Between Macropinosome Resolution and Secretory Granule Regeneration in Mast Cells. Front Immunol 2022; 13:892239. [PMID: 35837385 PMCID: PMC9273857 DOI: 10.3389/fimmu.2022.892239] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 05/30/2022] [Indexed: 12/02/2022] Open
Abstract
MRGPRX2, the human member of the MAS-related G protein coupled receptors (Mrgprs), serves as the cellular target of human mast cells (MCs) for innate ligands, including neuropeptides and antimicrobial peptides. In addition, MRGPRX2 also functions as the receptor for multiple FDA-approved drugs. As such, MRGPRX2 is a mediator of MC responses in neurogenic inflammation, host defense and pseudoallergy. We analyzed the spatiotemporal patterns of MRGPRX2 following its binding of the neuropeptide substance P (SP). Herein, we show that MRGPRX2 internalizes via both endocytosis and macropinocytosis, followed by its distribution between a perinuclear region and the secretory granules (SGs). Further, we show that MRGPRX2-containing macropinosomes undergo resolution by a mechanism that involves dynamin and LC3, giving rise to the incorporation of both LC3 and MRGPRX2 into the SGs. SP then promotes the acidification of the LC3-associated SGs, presumably by stimulating their fusion with lysosomes. Taken together, our results reveal a unique mode of MRGPRX2 trafficking that complements endocytosis and involves macropinocytosis, autophagic machinery-assisted macropinosome resolution and receptor delivery to the SGs.
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Affiliation(s)
- Pia Lazki-Hagenbach
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Elisabeth Kleeblatt
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Hydar Ali
- Department of Basic and Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Ronit Sagi-Eisenberg
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
- *Correspondence: Ronit Sagi-Eisenberg,
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20
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Transcriptomic Profiling of Mouse Mast Cells upon Pathogenic Avian H5N1 and Pandemic H1N1 Influenza A Virus Infection. Viruses 2022; 14:v14020292. [PMID: 35215885 PMCID: PMC8877972 DOI: 10.3390/v14020292] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 12/02/2022] Open
Abstract
Mast cells, widely residing in connective tissues and on mucosal surfaces, play significant roles in battling against influenza A viruses. To gain further insights into the host cellular responses of mouse mast cells with influenza A virus infection, such as the highly pathogenic avian influenza A virus H5N1 and the human pandemic influenza A H1N1, we employed high-throughput RNA sequencing to identify differentially expressed genes (DEGs) and related signaling pathways. Our data revealed that H1N1-infected mouse mast P815 cells presented more up- and down-regulated genes compared with H5N1-infected cells. Gene ontology analysis showed that the up-regulated genes in H1N1 infection were enriched for more degranulation-related cellular component terms and immune recognition-related molecular functions terms, while the up-regulated genes in H5N1 infection were enriched for more immune-response-related biological processes. Network enrichment of the KEGG pathway analysis showed that DEGs in H1N1 infection were specifically enriched for the FoxO and autophagy pathways. In contrast, DEGs in H5N1 infection were specifically enriched for the NF-κB and necroptosis pathways. Interestingly, we found that Nbeal2 could be preferentially activated in H5N1-infected P815 cells, where the level of Nbeal2 increased dramatically but decreased in HIN1-infected P815 cells. Nbeal2 knockdown facilitated inflammatory cytokine release in both H1N1- and H5N1-infected P815 cells and aggravated the apoptosis of pulmonary epithelial cells. In summary, our data described a transcriptomic profile and bioinformatic characterization of H1N-1 or H5N1-infected mast cells and, for the first time, established the crucial role of Nbeal2 during influenza A virus infection.
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21
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Fagone E, Fruciano M, Gili E, Sambataro G, Vancheri C. Developing PI3K Inhibitors for Respiratory Diseases. Curr Top Microbiol Immunol 2022; 436:437-466. [DOI: 10.1007/978-3-031-06566-8_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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22
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Abstract
There is strong evidence of an association between severe anaphylaxis, especially hymenoptera venom induced, and mast cell (MC) disorders. It has been thought that intrinsic abnormalities in MCs, including the presence of the activating KIT D816V mutation in mastocytosis or of genetic trait, hereditary alpha-tryptasemia, may influence susceptibility to severe anaphylaxis. This article evaluates the potential mechanisms leading to severe MC activation, as well as the differential diagnosis of and range of symptoms attributable to MC mediator release. Also, we offer a global classification for disorders related to MC activation.
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Ehnert S, Relja B, Schmidt-Bleek K, Fischer V, Ignatius A, Linnemann C, Rinderknecht H, Huber-Lang M, Kalbitz M, Histing T, Nussler AK. Effects of immune cells on mesenchymal stem cells during fracture healing. World J Stem Cells 2021; 13:1667-1695. [PMID: 34909117 PMCID: PMC8641016 DOI: 10.4252/wjsc.v13.i11.1667] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/31/2021] [Accepted: 09/03/2021] [Indexed: 02/06/2023] Open
Abstract
In vertebrates, bone is considered an osteoimmune system which encompasses functions of a locomotive organ, a mineral reservoir, a hormonal organ, a stem cell pool and a cradle for immune cells. This osteoimmune system is based on cooperatively acting bone and immune cells, cohabitating within the bone marrow. They are highly interdependent, a fact that is confounded by shared progenitors, mediators, and signaling pathways. Successful fracture healing requires the participation of all the precursors, immune and bone cells found in the osteoimmune system. Recent evidence demonstrated that changes of the immune cell composition and function may negatively influence bone healing. In this review, first the interplay between different immune cell types and osteoprogenitor cells will be elaborated more closely. The separate paragraphs focus on the specific cell types, starting with the cells of the innate immune response followed by cells of the adaptive immune response, and the complement system as mediator between them. Finally, a brief overview on the challenges of preclinical testing of immune-based therapeutic strategies to support fracture healing will be given.
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Affiliation(s)
- Sabrina Ehnert
- Siegfried Weller Research Institute at the BG Trauma Center Tübingen, Department of Trauma and Reconstructive Surgery, University of Tübingen, Tübingen 72076, Germany
| | - Borna Relja
- Experimental Radiology, Department of Radiology and Nuclear Medicine, Otto-von-Guericke University, Magdeburg 39120, Germany
| | - Katharina Schmidt-Bleek
- Julius Wolff Institute and Berlin Institute of Health Center of Regenerative Therapies, Charité - University Medicine Berlin, Berlin 13353, Germany
| | - Verena Fischer
- Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, Ulm 89091, Germany
| | - Anita Ignatius
- Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, Ulm 89091, Germany
| | - Caren Linnemann
- Siegfried Weller Research Institute at the BG Trauma Center Tübingen, Department of Trauma and Reconstructive Surgery, University of Tübingen, Tübingen 72076, Germany
| | - Helen Rinderknecht
- Siegfried Weller Research Institute at the BG Trauma Center Tübingen, Department of Trauma and Reconstructive Surgery, University of Tübingen, Tübingen 72076, Germany
| | - Markus Huber-Lang
- Institute for Clinical and Experimental Trauma-Immunology (ITI), University Hospital Ulm, Ulm 89091, Germany
| | - Miriam Kalbitz
- Department of Trauma and Orthopedic Surgery, University Hospital Erlangen Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen 91054, Germany
| | - Tina Histing
- Siegfried Weller Research Institute at the BG Trauma Center Tübingen, Department of Trauma and Reconstructive Surgery, University of Tübingen, Tübingen 72076, Germany
| | - Andreas K Nussler
- Siegfried Weller Research Institute at the BG Trauma Center Tübingen, Department of Trauma and Reconstructive Surgery, University of Tübingen, Tübingen 72076, Germany
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24
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Salonen J, Kreus M, Lehtonen S, Vähänikkilä H, Purokivi M, Kaarteenaho R. Decline in Mast Cell Density During Diffuse Alveolar Damage in Idiopathic Pulmonary Fibrosis. Inflammation 2021; 45:768-779. [PMID: 34686945 PMCID: PMC8956519 DOI: 10.1007/s10753-021-01582-0] [Citation(s) in RCA: 4] [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: 05/04/2021] [Accepted: 10/12/2021] [Indexed: 11/30/2022]
Abstract
Mast cells (MCs) are known to be involved in the pathogenesis of idiopathic pulmonary fibrosis (IPF), although their role in acute exacerbations of IPF has not been investigated. The aims of the study were to evaluate the numbers of MCs in fibrotic and non-fibrotic areas of lung tissue specimens of idiopathic pulmonary fibrosis (IPF) patients with or without an acute exacerbation of IPF, and to correlate the MC density with clinical parameters. MCs of IPF patients were quantified from surgical lung biopsy (SLB) specimens (n = 47) and lung tissue specimens taken at autopsy (n = 7). MC density was higher in the fibrotic areas of lung tissue compared with spared alveolar areas or in controls. Female gender, low diffusion capacity for carbon monoxide, diffuse alveolar damage, and smoking were associated with a low MC density. MC densities of fibrotic areas had declined significantly in five subjects in whom both SLB in the stable phase and autopsy after an acute exacerbation of IPF had been performed. There were no correlations of MC densities with survival time or future acute exacerbations. The MC density in fibrotic areas was associated with several clinical parameters. An acute exacerbation of IPF was associated with a significant decline in MC counts. Further investigations will be needed to clarify the role of these cells in IPF and in the pathogenesis of acute exacerbation as this may help to identify some potential targets for medical treatment for this serious disease.
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Affiliation(s)
- Johanna Salonen
- Respiratory Medicine, Research Unit of Internal Medicine, University of Oulu, P.O. Box 8000, 90014 Oulu, Finland
- Medical Research Center (MRC) Oulu, Oulu University Hospital, P.O. Box 20, 90029 OYS Oulu, Finland
| | - Mervi Kreus
- Respiratory Medicine, Research Unit of Internal Medicine, University of Oulu, P.O. Box 8000, 90014 Oulu, Finland
- Medical Research Center (MRC) Oulu, Oulu University Hospital, P.O. Box 20, 90029 OYS Oulu, Finland
| | - Siri Lehtonen
- Medical Research Center (MRC) Oulu, Oulu University Hospital, P.O. Box 20, 90029 OYS Oulu, Finland
- Department of Obstetrics and Gynecology, PEDEGO Research Unit, Oulu University Hospital, University Hospital of Oulu, P.O. Box 23, 90029 OYS Oulu, Finland
| | - Hannu Vähänikkilä
- Infrastructure for Population Studies, Faculty of Medicine, Northern Finland Birth Cohorts, University of Oulu, Arctic Biobank, P.O. Box 8000, 90014 Oulu, Finland
| | - Minna Purokivi
- The Center of Medicine and Clinical Research, Division of Respiratory Medicine, Kuopio University Hospital, P.O. Box 100, 70029 KYS Kuopio, Finland
| | - Riitta Kaarteenaho
- Respiratory Medicine, Research Unit of Internal Medicine, University of Oulu, P.O. Box 8000, 90014 Oulu, Finland
- Medical Research Center (MRC) Oulu, Oulu University Hospital, P.O. Box 20, 90029 OYS Oulu, Finland
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25
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Tumor-Associated Mast Cells in Urothelial Bladder Cancer: Optimizing Immuno-Oncology. Biomedicines 2021; 9:biomedicines9111500. [PMID: 34829729 PMCID: PMC8614912 DOI: 10.3390/biomedicines9111500] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/14/2021] [Accepted: 10/16/2021] [Indexed: 12/28/2022] Open
Abstract
Urothelial bladder cancer (UBC) is one of the most prevalent and aggressive malignancies. Recent evidence indicates that the tumor microenvironment (TME), including a variety of immune cells, is a critical modulator of tumor initiation, progression, evolution, and treatment resistance. Mast cells (MCs) in UBC are possibly involved in tumor angiogenesis, tissue remodeling, and immunomodulation. Moreover, tumor-infiltration by MCs has been reported in early-stage UBC patients. This infiltration is linked with a favorable or unfavorable prognosis depending on the tumor type and location. Despite the discrepancy of MC function in tumor progression, MCs can modify the TME to regulate the immunity and infiltration of tumors by producing an array of mediators. Nonetheless, the precise role of MCs in UBC tumor progression and evolution remains unknown. Thus, this review discusses some critical roles of MCs in UBC. Patients with UBC are treated at both early and late stages by immunotherapeutic methods, including intravenous bacillus Calmette–Guérin instillation and immune checkpoint blockade. An understanding of the patient response and resistance mechanisms in UBC is required to unlock the complete potential of immunotherapy. Since MCs are pivotal to understand the underlying processes and predictors of therapeutic responses in UBC, our review also focuses on possible immunotherapeutic treatments that involve MCs.
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Pathophysiological Roles of Histamine Receptors in Cancer Progression: Implications and Perspectives as Potential Molecular Targets. Biomolecules 2021; 11:biom11081232. [PMID: 34439898 PMCID: PMC8392479 DOI: 10.3390/biom11081232] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 02/07/2023] Open
Abstract
High levels of histamine and histamine receptors (HRs), including H1R~H4R, are found in many different types of tumor cells and cells in the tumor microenvironment, suggesting their involvement in tumor progression. This review summarizes the latest evidence demonstrating the pathophysiological roles of histamine and its cognate receptors in cancer biology. We also discuss the novel therapeutic approaches of selective HR ligands and their potential prognostic values in cancer treatment. Briefly, histamine is highly implicated in cancer development, growth, and metastasis through interactions with distinct HRs. It also regulates the infiltration of immune cells into the tumor sites, exerting an immunomodulatory function. Moreover, the effects of various HR ligands, including H1R antagonists, H2R antagonists, and H4R agonists, on tumor progression in many different cancer types are described. Interestingly, the expression levels of HR subtypes may serve as prognostic biomarkers in several cancers. Taken together, HRs are promising targets for cancer treatment, and HR ligands may offer novel therapeutic potential, alone or in combination with conventional therapy. However, due to the complexity of the pathophysiological roles of histamine and HRs in cancer biology, further studies are warranted before HR ligands can be introduced into clinical settings.
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De Martinis M, Allegra A, Sirufo MM, Tonacci A, Pioggia G, Raggiunti M, Ginaldi L, Gangemi S. Vitamin D Deficiency, Osteoporosis and Effect on Autoimmune Diseases and Hematopoiesis: A Review. Int J Mol Sci 2021; 22:ijms22168855. [PMID: 34445560 PMCID: PMC8396272 DOI: 10.3390/ijms22168855] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 08/13/2021] [Accepted: 08/16/2021] [Indexed: 12/30/2022] Open
Abstract
Vitamin D (VD) is essential for bone homeostasis, but it is also involved in pleiotropic effects on various organs and tissues. In adults, VD deficiency can cause or exacerbate osteoporosis and induce osteomalacia. However, every tissue and cell in the body has a VD receptor, including the brain, heart, stomach, pancreas, skin, gonads, and immune cells, and a deficiency may modify the function of these organs. Thus, the wide-ranging actions of VD help to explain why a reduction in VD amount has been correlated with numerous chronic diseases. In fact, VD deficiency increases the risk of osteoporosis and several other diseases and complications characterized by impaired bone metabolisms, such as autoimmune diseases, inflammatory bowel diseases, allergy, endocrinological diseases, hematological malignancies, and bone marrow transplantation. This review aims to investigate the link between VD deficiency, osteoporosis, and its concomitant diseases. Further epidemiological and mechanistic studies are necessary in order to ascertain the real role of hypovitaminosis in causing the reported diseases; however, adequate vitamin supplementation and restoration of metabolic normality could be useful for better management of these pathologies.
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Affiliation(s)
- Massimo De Martinis
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.D.M.); (M.M.S.); (M.R.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 Teramo, 64100 Teramo, Italy
| | - Alessandro Allegra
- Department of Human Pathology in Adulthood and Childhood “Gaetano Barresi”, Division of Haematology, University of Messina, 98125 Messina, Italy
- Correspondence: ; Tel.: +39-0902-212-364
| | - Maria Maddalena Sirufo
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.D.M.); (M.M.S.); (M.R.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 Teramo, 64100 Teramo, Italy
| | - Alessandro Tonacci
- Clinical Physiology Institute, National Research Council of Italy (IFC-CNR), 56124 Pisa, Italy;
| | - Giovanni Pioggia
- Institute for Biomedical Research and Innovation (IRIB), National Research Council of Italy (CNR), 98164 Messina, Italy;
| | - Martina Raggiunti
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.D.M.); (M.M.S.); (M.R.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 Teramo, 64100 Teramo, Italy
| | - Lia Ginaldi
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.D.M.); (M.M.S.); (M.R.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 Teramo, 64100 Teramo, Italy
| | - Sebastiano Gangemi
- Department of Clinical and Experimental Medicine, School and Operative Unit of Allergy and Clinical Immunology, University of Messina, 98125 Messina, Italy;
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Ikeda T, Nakamura K, Morishita S, Sato T, Horie T, Kida T, Oku H, Takai S, Jin D. Decreased Presence of Mast Cells in the Bursa Premacularis of Proliferative Diabetic Retinopathy. Ophthalmic Res 2021; 64:1002-1012. [PMID: 34515200 DOI: 10.1159/000518438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 07/12/2021] [Indexed: 11/19/2022]
Affiliation(s)
- Tsunehiko Ikeda
- Department of Ophthalmology, Osaka Medical and Pharmaceutical University, Takatsuki, Japan
| | | | - Seita Morishita
- Department of Ophthalmology, Osaka Medical and Pharmaceutical University, Takatsuki, Japan
| | - Takaki Sato
- Department of Ophthalmology, Osaka Medical and Pharmaceutical University, Takatsuki, Japan
| | - Taeko Horie
- Department of Ophthalmology, Osaka Medical and Pharmaceutical University, Takatsuki, Japan
| | - Teruyo Kida
- Department of Ophthalmology, Osaka Medical and Pharmaceutical University, Takatsuki, Japan
| | - Hidehiro Oku
- Department of Ophthalmology, Osaka Medical and Pharmaceutical University, Takatsuki, Japan
| | - Shinji Takai
- Department of Innovative Medicine, Graduate School of Medicine, Osaka Medical and Pharmaceutical University, Takatsuki, Japan
| | - Denan Jin
- Department of Innovative Medicine, Graduate School of Medicine, Osaka Medical and Pharmaceutical University, Takatsuki, Japan
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Conti P, Pregliasco FE, Bellomo RG, Gallenga CE, Caraffa A, Kritas SK, Lauritano D, Ronconi G. Mast Cell Cytokines IL-1, IL-33, and IL-36 Mediate Skin Inflammation in Psoriasis: A Novel Therapeutic Approach with the Anti-Inflammatory Cytokines IL-37, IL-38, and IL-1Ra. Int J Mol Sci 2021; 22:ijms22158076. [PMID: 34360845 PMCID: PMC8348737 DOI: 10.3390/ijms22158076] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/22/2021] [Accepted: 07/25/2021] [Indexed: 12/18/2022] Open
Abstract
Psoriasis (PS) is a skin disease with autoimmune features mediated by immune cells, which typically presents inflammatory erythematous plaques, and is associated with many comorbidities. PS exhibits excessive keratinocyte proliferation, and a high number of immune cells, including macrophages, neutrophils, Th1 and Th17 lymphocytes, and mast cells (MCs). MCs are of hematopoietic origin, derived from bone marrow cells, which migrate, mature, and reside in vascularized tissues. They can be activated by antigen-provoking overexpression of proinflammatory cytokines, and release a number of mediators including interleukin (IL)-1 and IL-33. IL-1, released by activated keratinocytes and MCs, stimulates skin macrophages to release IL-36—a powerful proinflammatory IL-1 family member. IL-36 mediates both innate and adaptive immunity, including chronic proinflammatory diseases such as psoriasis. Suppression of IL-36 could result in a dramatic improvement in the treatment of psoriasis. IL-36 is inhibited by IL-36Ra, which binds to IL-36 receptor ligands, but suppression can also occur by binding IL-38 to the IL-36 receptor (IL-36R). IL-38 specifically binds only to IL-36R, and inhibits human mononuclear cells stimulated with IL-36 in vitro, sharing the effect with IL-36Ra. Here, we report that inflammation in psoriasis is mediated by IL-1 generated by MCs—a process that activates macrophages to secrete proinflammatory IL-36 inhibited by IL-38. IL-37 belongs to the IL-1 family, and broadly suppresses innate inflammation via IL-1 inhibition. IL-37, in murine models of inflammatory arthritis, causes the suppression of joint inflammation through the inhibition of IL-1. Therefore, it is pertinent to think that IL-37 can play an inhibitory role in inflammatory psoriasis. In this article, we confirm that IL-38 and IL-37 cytokines emerge as inhibitors of inflammation in psoriasis, and hold promise as an innovative therapeutic tool.
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Affiliation(s)
- Pio Conti
- Postgraduate Medical School, University of Chieti, 66100 Chieti, Italy
- Correspondence: ; Tel.: +39-0871-574136
| | | | - Rosa G. Bellomo
- Facoltà di Scienze dell’Educazione Motoria, Università “Carlo Bo”, 61029 Urbino, Italy;
| | - Carla E. Gallenga
- Department of Biomedical Sciences and Specialist Surgery, University of Ferrara, 44100 Ferrara, Italy;
| | | | - Spyros K. Kritas
- Department of Microbiology and Infectious Diseases, Aristotle University of Thessaloniki, 54250 Macedonia, Greece;
| | - Dorina Lauritano
- Medicine and Surgery Centre of Neuroscience of Milan, University of Milan-Bicocca, 20100 Milano, Italy;
| | - Gianpaolo Ronconi
- Clinica dei Pazienti del Territorio, Fondazione Policlinico Gemelli, 00168 Rome, Italy;
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30
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Masini M, Suleiman M, Novelli M, Marselli L, Marchetti P, De Tata V. Mast Cells and the Pancreas in Human Type 1 and Type 2 Diabetes. Cells 2021; 10:cells10081875. [PMID: 34440644 PMCID: PMC8391487 DOI: 10.3390/cells10081875] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 07/19/2021] [Accepted: 07/21/2021] [Indexed: 12/21/2022] Open
Abstract
Mast cells are highly differentiated, widely distributed cells of the innate immune system, that are currently considered as key regulators of both innate and adaptive immunity. Mast cells play a key role in health and survival mechanisms, especially as sentinel cells that can stimulate protective immune responses. On the other hand, it has been shown that mast cells are involved in the pathogenesis of several diseases, and recently a possible pathogenetic role of mast cells in diabetes has been proposed. In this review we summarize the evidence on the increased presence of mast cells in the pancreas of subjects with type 1 diabetes, which is due to the autoimmune destruction of insulin secreting beta cells, and discuss the differences with type 2 diabetes, the other major form of diabetes. In addition, we describe some of the pathophysiological mechanisms through which mast cells might exert their actions, which could be targeted to potentially protect the beta cells in autoimmune diabetes.
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Affiliation(s)
- Matilde Masini
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Via Roma, 55-Scuola Medica, 56126 Pisa, Italy; (M.M.); (M.N.)
| | - Mara Suleiman
- Department of Clinical and Experimental Medicine, Pancreatic Islet Laboratory, University of Pisa, 56124 Pisa, Italy; (M.S.); (L.M.); (P.M.)
| | - Michela Novelli
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Via Roma, 55-Scuola Medica, 56126 Pisa, Italy; (M.M.); (M.N.)
| | - Lorella Marselli
- Department of Clinical and Experimental Medicine, Pancreatic Islet Laboratory, University of Pisa, 56124 Pisa, Italy; (M.S.); (L.M.); (P.M.)
| | - Piero Marchetti
- Department of Clinical and Experimental Medicine, Pancreatic Islet Laboratory, University of Pisa, 56124 Pisa, Italy; (M.S.); (L.M.); (P.M.)
| | - Vincenzo De Tata
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Via Roma, 55-Scuola Medica, 56126 Pisa, Italy; (M.M.); (M.N.)
- Centro Interdipartimentale di Microscopia Elettronica (C.I.M.E.), University of Pisa, 56126 Pisa, Italy
- Correspondence:
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31
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Taatjes DJ, Roth J. In focus in HCB. Histochem Cell Biol 2021; 154:1-5. [PMID: 32601749 DOI: 10.1007/s00418-020-01893-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Douglas J Taatjes
- Department of Pathology and Laboratory Medicine, Larner College of Medicine, University of Vermont, Burlington, VT, 05405, USA.
| | - Jürgen Roth
- University of Zurich, 8091, Zurich, Switzerland
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32
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Gülen T, Akin C, Bonadonna P, Siebenhaar F, Broesby-Olsen S, Brockow K, Niedoszytko M, Nedoszytko B, Oude Elberink HNG, Butterfield JH, Sperr WR, Alvarez-Twose I, Horny HP, Sotlar K, Schwaab J, Jawhar M, Zanotti R, Nilsson G, Lyons JJ, Carter MC, George TI, Hermine O, Gotlib J, Orfao A, Triggiani M, Reiter A, Hartmann K, Castells M, Arock M, Schwartz LB, Metcalfe DD, Valent P. Selecting the Right Criteria and Proper Classification to Diagnose Mast Cell Activation Syndromes: A Critical Review. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2021; 9:3918-3928. [PMID: 34166845 DOI: 10.1016/j.jaip.2021.06.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 06/05/2021] [Accepted: 06/11/2021] [Indexed: 11/17/2022]
Abstract
In recent years, knowledge about mechanisms underlying mast cell activation (MCA) and accumulation in various pathologic conditions increased substantially. In addition, criteria and a classification of MCA syndromes (MCASs) have been set forth. MCAS is defined by typical clinical symptoms, a substantial increase in serum tryptase level during an attack over the patient's baseline tryptase, and a response of the symptoms to drugs targeting mast cells, mediator production, and/or mediator effects. Alternative diagnostic criteria of MCAS have also been suggested, but these alternative criteria often lack specificity and validation. In this report, we critically review the contemporary literature relating to MCAS and compare the specificity, sensitivity, and strength of MCAS-related parameters within proposals to diagnose and classify MCAS and its variants. Furthermore, we highlight the need to apply specific consensus criteria in the evaluation and classification of MCAS in individual patients. This is an urgent and important medical necessity because as an increasing number of patients are being given a misdiagnosis of MCAS based on nonspecific criteria, which contributes to confusion and frustration by patients and caregivers and sometimes may delay recognition and treatment of correct medical conditions that often turn out to be unrelated to MCA.
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Affiliation(s)
- Theo Gülen
- Department of Respiratory Medicine and Allergy, Karolinska University Hospital Huddinge, Stockholm, Sweden; Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet, Stockholm, Sweden.
| | - Cem Akin
- Division of Allergy and Clinical Immunology, University of Michigan, Ann Arbor, Mich
| | | | - Frank Siebenhaar
- Dermatological Allergology, Department of Dermatology and Allergy, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Sigurd Broesby-Olsen
- Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark
| | - Knut Brockow
- Department of Dermatology and Allergy Biederstein, School of Medicine, Technical University of Munich, Germany
| | - Marek Niedoszytko
- Department of Allergology, Medical University of Gdansk, Gdansk, Poland
| | - Boguslaw Nedoszytko
- Department of Dermatology, Venereology and Allergology, Medical University of Gdansk, Gdansk, Poland; Invicta Fertility and Reproductive Center, Molecular Laboratory, Sopot, Poland
| | - Hanneke N G Oude Elberink
- Department of Allergology, GRIAC Research Institute, University of Groningen, University Medical Center of Groningen, Groningen, The Netherlands
| | | | - Wolfgang R Sperr
- Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria; Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
| | - Ivan Alvarez-Twose
- Instituto de Estudios de Mastocitosis de Castilla La Mancha (CLMast) and CIBERONC, Hospital Virgen del Valle, Toledo, Spain
| | - Hans-Peter Horny
- Institute of Pathology, Ludwig-Maximilian University, Munich, Germany
| | - Karl Sotlar
- Institute of Pathology, Paracelsus Medical University Salzburg, Salzburg, Austria
| | | | - Mohamad Jawhar
- Department of Hematology and Oncology, University Hospital Mannheim, Mannheim, Germany
| | - Roberta Zanotti
- Department of Medicine, Section of Hematology, University of Verona, Verona, Italy
| | - Gunnar Nilsson
- Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet, Stockholm, Sweden
| | - Jonathan J Lyons
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Melody C Carter
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Tracy I George
- Department of Pathology, University of Utah, Salt Lake City, Utah
| | - Olivier Hermine
- Imagine Institute Université Paris Descartes, Sorbonne, Paris Cité, Centre National de Référence des Mastocytoses, Paris, France
| | - Jason Gotlib
- Stanford Cancer Institute/Stanford University School of Medicine, Stanford, Calif
| | - Alberto Orfao
- Servicio Central de Citometria, Centro de Investigacion del Cancer (IBMCC; CSIC/USAL), IBSAL, CIBERONC and Department of Medicine, University of Salamanca, Salamanca, Spain
| | - Massimo Triggiani
- Division of Allergy and Clinical Immunology, University of Salerno, Salerno, Italy
| | - Andreas Reiter
- Department of Hematology and Oncology, University Hospital Mannheim, Mannheim, 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
| | - Mariana Castells
- Brigham and Women's Hospital, Mastocytosis Center, Harvard Medical School, Boston, Mass
| | - Michel Arock
- Department of Hematological Biology, Pitié-Salpêtrière Hospital, Pierre et Marie Curie University (UPMC), Paris, France
| | - Lawrence B Schwartz
- Department of Internal Medicine, Division of Rheumatology, Allergy, and Immunology, Virginia Commonwealth University, Richmond, Va
| | - Dean D Metcalfe
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Peter Valent
- Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria; Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
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33
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Jiménez M, Cervantes-García D, Córdova-Dávalos LE, Pérez-Rodríguez MJ, Gonzalez-Espinosa C, Salinas E. Responses of Mast Cells to Pathogens: Beneficial and Detrimental Roles. Front Immunol 2021; 12:685865. [PMID: 34211473 PMCID: PMC8240065 DOI: 10.3389/fimmu.2021.685865] [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: 03/25/2021] [Accepted: 05/28/2021] [Indexed: 12/19/2022] Open
Abstract
Mast cells (MCs) are strategically located in tissues close to the external environment, being one of the first immune cells to interact with invading pathogens. They are long living effector cells equipped with different receptors that allow microbial recognition. Once activated, MCs release numerous biologically active mediators in the site of pathogen contact, which induce vascular endothelium modification, inflammation development and extracellular matrix remodeling. Efficient and direct antimicrobial mechanisms of MCs involve phagocytosis with oxidative and non-oxidative microbial destruction, extracellular trap formation, and the release of antimicrobial substances. MCs also contribute to host defense through the attraction and activation of phagocytic and inflammatory cells, shaping the innate and adaptive immune responses. However, as part of their response to pathogens and under an impaired, sustained, or systemic activation, MCs may contribute to tissue damage. This review will focus on the current knowledge about direct and indirect contribution of MCs to pathogen clearance. Antimicrobial mechanisms of MCs are addressed with special attention to signaling pathways involved and molecular weapons implicated. The role of MCs in a dysregulated host response that can increase morbidity and mortality is also reviewed and discussed, highlighting the complexity of MCs biology in the context of host-pathogen interactions.
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Affiliation(s)
- Mariela Jiménez
- Laboratory of Immunology, Department of Microbiology, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
| | - Daniel Cervantes-García
- Laboratory of Immunology, Department of Microbiology, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico.,Cátedras CONACYT, National Council of Science and Technology, Mexico City, Mexico
| | - Laura E Córdova-Dávalos
- Laboratory of Immunology, Department of Microbiology, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
| | - Marian Jesabel Pérez-Rodríguez
- Department of Pharmacobiology, Centro de Investigación y de Estudios Avanzados (Cinvestav), Unidad Sede Sur, Mexico City, Mexico
| | - Claudia Gonzalez-Espinosa
- Department of Pharmacobiology, Centro de Investigación y de Estudios Avanzados (Cinvestav), Unidad Sede Sur, Mexico City, Mexico
| | - Eva Salinas
- Laboratory of Immunology, Department of Microbiology, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
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Voss M, Kotrba J, Gaffal E, Katsoulis-Dimitriou K, Dudeck A. Mast Cells in the Skin: Defenders of Integrity or Offenders in Inflammation? Int J Mol Sci 2021; 22:ijms22094589. [PMID: 33925601 PMCID: PMC8123885 DOI: 10.3390/ijms22094589] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/23/2021] [Accepted: 04/25/2021] [Indexed: 12/13/2022] Open
Abstract
Mast cells (MCs) are best-known as key effector cells of immediate-type allergic reactions that may even culminate in life-threatening anaphylactic shock syndromes. However, strategically positioned at the host–environment interfaces and equipped with a plethora of receptors, MCs also play an important role in the first-line defense against pathogens. Their main characteristic, the huge amount of preformed proinflammatory mediators embedded in secretory granules, allows for a rapid response and initiation of further immune effector cell recruitment. The same mechanism, however, may account for detrimental overshooting responses. MCs are not only detrimental in MC-driven diseases but also responsible for disease exacerbation in other inflammatory disorders. Focusing on the skin as the largest immune organ, we herein review both beneficial and detrimental functions of skin MCs, from skin barrier integrity via host defense mechanisms to MC-driven inflammatory skin disorders. Moreover, we emphasize the importance of IgE-independent pathways of MC activation and their role in sustained chronic skin inflammation and disease exacerbation.
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Affiliation(s)
- Martin Voss
- Medical Faculty, Institute for Molecular and Clinical Immunology, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany; (M.V.); (J.K.); (K.K.-D.)
| | - Johanna Kotrba
- Medical Faculty, Institute for Molecular and Clinical Immunology, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany; (M.V.); (J.K.); (K.K.-D.)
| | - Evelyn Gaffal
- Laboratory for Experimental Dermatology, Department of Dermatology, University Hospital Magdeburg, 39120 Magdeburg, Germany;
| | - Konstantinos Katsoulis-Dimitriou
- Medical Faculty, Institute for Molecular and Clinical Immunology, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany; (M.V.); (J.K.); (K.K.-D.)
| | - Anne Dudeck
- Medical Faculty, Institute for Molecular and Clinical Immunology, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany; (M.V.); (J.K.); (K.K.-D.)
- Health Campus Immunology, Infectiology and Inflammation, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany
- Correspondence:
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35
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Ikeda T, Nakamura K, Sato T, Kida T, Oku H. Involvement of Anoikis in Dissociated Optic Nerve Fiber Layer Appearance. Int J Mol Sci 2021; 22:ijms22041724. [PMID: 33572210 PMCID: PMC7914697 DOI: 10.3390/ijms22041724] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 02/05/2021] [Accepted: 02/05/2021] [Indexed: 12/12/2022] Open
Abstract
Dissociated optic nerve fiber layer (DONFL) appearance is characterized by dimpling of the fundus when observed after vitrectomy with the internal limiting membrane (ILM) peeling in macular diseases. However, the cause of DONFL remains largely unknown. Optical coherence tomography (OCT) findings have indicated that the nerve fiber layer (NFL) and ganglion cells are likely to have been damaged in patients with DONFL appearance. Since DONFL appearance occurs at a certain postoperative period, it is unlikely to be retinal damage directly caused by ILM peeling because apoptosis occurs at a certain period after tissue damage and/or injury. However, it may be due to ILM peeling-induced apoptosis in the retinal tissue. Anoikis is a type of apoptosis that occurs in anchorage-dependent cells upon detachment of those cells from the surrounding extracellular matrix (i.e., the loss of cell anchorage). The anoikis-related proteins βA3/A1 crystallin and E-cadherin are reportedly expressed in retinal ganglion cells. Thus, we theorize that one possible cause of DONFL appearance is ILM peeling-induced anoikis in retinal ganglion cells.
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Affiliation(s)
- Tsunehiko Ikeda
- Department of Ophthalmology, Osaka Medical College, Takatsuki-City 569-8686, Osaka, Japan; (T.S.); (T.K.); (H.O.)
- Correspondence: ; Tel.: +81-72-684-6434
| | | | - Takaki Sato
- Department of Ophthalmology, Osaka Medical College, Takatsuki-City 569-8686, Osaka, Japan; (T.S.); (T.K.); (H.O.)
| | - Teruyo Kida
- Department of Ophthalmology, Osaka Medical College, Takatsuki-City 569-8686, Osaka, Japan; (T.S.); (T.K.); (H.O.)
| | - Hidehiro Oku
- Department of Ophthalmology, Osaka Medical College, Takatsuki-City 569-8686, Osaka, Japan; (T.S.); (T.K.); (H.O.)
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Type I Interferon α/β Receptor-Mediated Signaling Negatively Regulates Antiviral Cytokine Responses in Murine Bone-Marrow-Derived Mast Cells and Protects the Cells from Virus-Induced Cell Death. Int J Mol Sci 2020; 21:ijms21239041. [PMID: 33261178 PMCID: PMC7729593 DOI: 10.3390/ijms21239041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/10/2020] [Accepted: 11/23/2020] [Indexed: 12/20/2022] Open
Abstract
Mast cells (MCs) are critical for initiating inflammatory responses to pathogens including viruses. Type I interferons (IFNs) that exert their antiviral functions by interacting with the type I IFN receptor (IFNAR) play a central role in host cellular responses to viruses. Given that virus-induced excessive toxic inflammatory responses are associated with aberrant IFNAR signaling and considering MCs are an early source of inflammatory cytokines during viral infections, we sought to determine whether IFNAR signaling plays a role in antiviral cytokine responses of MCs. IFNAR-intact, IFNAR-blocked, and IFNAR-knockout (IFNAR−/−) bone-marrow-derived MCs (BMMCs) were treated in vitro with a recombinant vesicular stomatitis virus (rVSVΔm51) to assess cytokine production by these cells. All groups of MCs produced the cytokines interleukin-6 and tumor necrosis factor-α in response to rVSVΔm51. However, production of the cytokines was lowest in IFNAR-intact cells as compared with IFNAR−/− or IFNAR-blocked cells at 20 h post-stimulation. Surprisingly, rVSVΔm51 was capable of infecting BMMCs, but functional IFNAR signaling was able to protect these cells from virus-induced death. This study showed that BMMCs produced pro-inflammatory cytokines in response to rVSVΔm51 and that IFNAR signaling was required to down-modulate these responses and protect the cells from dying from viral infection.
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AhYoung AP, Eckard SC, Gogineni A, Xi H, Lin SJ, Gerhardy S, Cox C, Phung QT, Hackney JA, Katakam AK, Reichelt M, Caplazi P, Manzanillo P, Zhang J, Roose-Girma M, Tam LW, Newman RJ, Murthy A, Weimer RM, Lill JR, Lee WP, Grimbaldeston M, Kirchhofer D, van Lookeren Campagne M. Neutrophil serine protease 4 is required for mast cell-dependent vascular leakage. Commun Biol 2020; 3:687. [PMID: 33214666 PMCID: PMC7677402 DOI: 10.1038/s42003-020-01407-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 10/17/2020] [Indexed: 02/06/2023] Open
Abstract
Vascular leakage, or edema, is a serious complication of acute allergic reactions. Vascular leakage is triggered by the release of histamine and serotonin from granules within tissue-resident mast cells. Here, we show that expression of Neutrophil Serine Protease 4 (NSP4) during the early stages of mast cell development regulates mast cell-mediated vascular leakage. In myeloid precursors, the granulocyte-macrophage progenitors (GMPs), loss of NSP4 results in the decrease of cellular levels of histamine, serotonin and heparin/heparan sulfate. Mast cells that are derived from NSP4-deficient GMPs have abnormal secretory granule morphology and a sustained reduction in histamine and serotonin levels. Consequently, in passive cutaneous anaphylaxis and acute arthritis models, mast cell-mediated vascular leakage in the skin and joints is substantially reduced in NSP4-deficient mice. Our findings reveal that NSP4 is required for the proper storage of vasoactive amines in mast cell granules, which impacts mast cell-dependent vascular leakage in mouse models of immune complex-mediated diseases.
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Affiliation(s)
- Andrew P AhYoung
- Department of Early Discovery Biochemistry, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Sterling C Eckard
- Department of Immunology, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Alvin Gogineni
- Department of Biomedical Imaging, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Hongkang Xi
- Department of Immunology, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - S Jack Lin
- Department of Early Discovery Biochemistry, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Stefan Gerhardy
- Department of Early Discovery Biochemistry, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Christian Cox
- Department of Immunology, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Qui T Phung
- Department of Microchemistry, Proteomics, Lipidomics, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Jason A Hackney
- Department of Bioinformatics, 1 DNA Way, South San Francisco, CA, 94080, USA
| | | | - Mike Reichelt
- Department of Pathology, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Patrick Caplazi
- Department of Pathology, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Paolo Manzanillo
- Department of Immunology, 1 DNA Way, South San Francisco, CA, 94080, USA
- Department of Inflammation and Oncology, Amgen Research, Amgen, 1120 Veterans Boulevard, South San Francisco, CA, 94080, USA
| | - Juan Zhang
- Department of Translational Immunology, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Merone Roose-Girma
- Department of Molecular Biology, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Lucinda W Tam
- Department of Molecular Biology, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Robert J Newman
- Department of Molecular Biology, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Aditya Murthy
- Department of Cancer Immunology, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Robby M Weimer
- Department of Biomedical Imaging, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Jennie R Lill
- Department of Microchemistry, Proteomics, Lipidomics, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Wyne P Lee
- Department of Translational Immunology, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Michele Grimbaldeston
- OMNI-Biomarker Development, Genentech Inc, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Daniel Kirchhofer
- Department of Early Discovery Biochemistry, 1 DNA Way, South San Francisco, CA, 94080, USA.
| | - Menno van Lookeren Campagne
- Department of Immunology, 1 DNA Way, South San Francisco, CA, 94080, USA.
- Department of Inflammation and Oncology, Amgen Research, Amgen, 1120 Veterans Boulevard, South San Francisco, CA, 94080, USA.
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Tang X, Xu P, Chen A, Deng G, Zhang S, Gao L, Dai L, Chen Q. Prognostic and Predictive Value of an Immunoscore Signature in Glioblastoma Multiform. Front Genet 2020; 11:514363. [PMID: 33244317 PMCID: PMC7684008 DOI: 10.3389/fgene.2020.514363] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Accepted: 09/17/2020] [Indexed: 12/16/2022] Open
Abstract
Background Although increasing evidence shows that immune infiltration plays an essential role in glioblastoma (GBM), current prognostic indicators do not accurately represent the risk of immune cells infiltration in patients. It is therefore critical to identify new prognostic markers for GBM. Here, we investigated the effectiveness of using immunoscore to improve risk stratification and prediction of prognosis in GBM patients receiving chemotherapy. Methods Using mRNA microarrays and CIBERSORT, we analyzed 22 types of immune cell fractions in 517 GBM samples and characterized an immunoscore using the least absolute shrinkage and selection operator (LASSO) Cox regression model based on the fraction of immune cell types and patients’ overall survival. The prognostic and predictive accuracy of immunoscore was verified in the validation cohort and the entire cohort. Results Using the LASSO model, an immunoscore was developed to classify patients into High and Low immunoscore groups in the training cohort (P < 0.0001) based on the fraction of eight immune cell types. The immunoscore performance was validated in the validation cohort (P < 0.0001) and the entire cohort (P < 0.0001). Furthermore, a nomogram comprising age, IDH1 status, and immunoscore was generated to predict one- and three-year survival rates in the training cohort. The predictive value of the immunoscore was also confirmed in the validation cohort and the entire cohort (C-index: 0.66, 0.67, and 0.68, respectively). In addition, we concluded that patients in the low-immunoscore group may benefit from adjuvant chemotherapy for GBM. Conclusion Immunoscore, an immune-infiltration-based signature, is a reliable prognostic and predictive tool for GBM.
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Affiliation(s)
- Xiangjun Tang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China.,Department of Neurosurgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Pengfei Xu
- The Seventh Affiliated Hospital of Sun Yat-sun University, Guangzhou, China
| | - Ann Chen
- Department of Biomedical Engineering, Yale University, New Haven, CT, United States
| | - Gang Deng
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Shenqi Zhang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lun Gao
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Longjun Dai
- Department of Neurosurgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Qianxue Chen
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
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Valent P. KIT D816V and the cytokine storm in mastocytosis: production and role of interleukin-6. Haematologica 2020; 105:5-6. [PMID: 31894094 DOI: 10.3324/haematol.2019.234864] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Affiliation(s)
- Peter Valent
- Department of Internal Medicine I, Division of Hematology and Hemostaseology .,Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
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40
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Micera A, Jirsova K, Esposito G, Balzamino BO, Di Zazzo A, Bonini S. Mast Cells Populate the Corneoscleral Limbus: New Insights for Our Understanding of Limbal Microenvironment. Invest Ophthalmol Vis Sci 2020; 61:43. [PMID: 32207813 PMCID: PMC7401584 DOI: 10.1167/iovs.61.3.43] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Purpose Although stem cell activity represents a crucial feature in corneal and ocular surface homeostasis, other cells populating this region and the neighboring zones might participate and influence local microenvironment. Mast cells, the long-lived and tissue-sited immune cells, have been previously reported in corneoscleral specimens. Herein, mast cells were investigated in corneoscleral tissues and related to microenvironment protein expression. Methods Twenty-six (14 male/12 female; older than 60 years) human corneoscleral specimens were sectioned for light and fluorescent immunostaining (CD45, p63, Ck-3/7/12/19, tryptase/AA1, and chymase/CC1). Corneal, limbal, and conjunctival squares were produced for molecular and biochemical analysis. Statistical comparisons were carried out by ANOVA. Results Toluidine blue staining identified metachromatic intact or degranulated mast cells in the area below the palisades' Vogt (Ck-3/12-positive epithelium and underneath p63 immunoreactivity). Tryptase immunoreactivity was observed close to palisades' Vogt, whereas no specific signal was detected for chymase. Tryptase/AA1 transcripts were quantified in limbal and conjunctival RNA extracts, whereas no specific amplification was detected in corneal ones. Few mediators were overexpressed in limbal extracts with respect to corneal (Neural cell adhesion molecule (NCAM), Intercellular adhesion molecule 3 (ICAM3), Brain-derived Neurotrophic factor (BDNF), and neurotrophin 3 (NT3); P < 0.00083) and conjunctival (NCAM, ICAM3, and NT3; P < 0.05) protein extracts. A trend to an increase was observed for Nerve Growth Factor (NGF) in limbal extracts (P > 0.05). Conclusions The specific observation of tryptase phenotype and the interesting protein signature of microenvironment (adhesion molecules, growth factors, and neurotrophins), known to partake mast cell behavior, at least in other areas, would provide additional information to better understand this crucial zone in the framework of ocular surface healthiness.
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Konstantinou GN, Konstantinou GN. Psychological Stress and Chronic Urticaria: A Neuro-immuno-cutaneous Crosstalk. A Systematic Review of the Existing Evidence. Clin Ther 2020; 42:771-782. [PMID: 32360096 DOI: 10.1016/j.clinthera.2020.03.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 03/07/2020] [Accepted: 03/13/2020] [Indexed: 01/17/2023]
Abstract
PURPOSE It has been observed that certain patients with chronic spontaneous or idiopathic urticaria (CSU/CIU) have a personal history of a significant stressor before urticaria onset, while the prevalence of any psychopathology among these patients is significantly higher than in healthy individuals. Research has confirmed that skin is both an immediate stress perceiver and a target of stress responses. These complex interactions between stress, skin, and the nervous system may contribute to the onset of chronic urticaria. This systematic review investigated the association between CSU/CIU and neuroimmune inflammation with or without evidence of co-existing psychological stress from in vivo and ex vivo studies in human beings. METHODS PubMed and Scopus were searched to September 2019 for reports in human beings describing neuroimmune inflammation, stress, and CSU/CIU. A comprehensive search strategy was used that included all the relevant synonyms for the central concept. FINDINGS A total of 674 potentially relevant articles were identified. Only 13 satisfied the predefined inclusion criteria and were included in the systematic review. Five of these 13 studies evaluated the correlation between CSU/CIU, stress, and neuro-immune-cutaneous factors, while the remaining 8 focused on the association between CSU/CIU and these factors without examining any evidence of stress. IMPLICATIONS The complex neuro-immune-cutaneous model that involves numerous neuropeptides and neurokinins, inflammatory mediators and cells, hypothalamic-pituitary-adrenal axis hormones, and the skin may better explain the underlying pathophysiological mechanisms involved in the onset of urticaria. In addition, the elevated psychological stress level that has been closely related to CSU/CIU could be attributed to the imbalance or irregularity of this neuro-immune-cutaneous circuit. It is still unclear and must be further investigated whether any psychological stress results in or triggers CSU/CIU onset on top of a preexisting neuroimmune dysregulation. Nevertheless, new psycho-phenotypic or neuro-endotypic CSU/CIU subsets should be considered as the era of personalized treatment strategies emerges. A better understanding of CSU/CIU pathophysiology and consideration of the patient as a whole is vital for identifying targets for new potential treatment options.
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Affiliation(s)
| | - George N Konstantinou
- Department of Allergy and Clinical Immunology, 424 General Military Training Hospital, Thessaloniki, Greece.
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42
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Atiakshin D, Buchwalow I, Tiemann M. Mast cells and collagen fibrillogenesis. Histochem Cell Biol 2020; 154:21-40. [PMID: 32222902 DOI: 10.1007/s00418-020-01875-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/17/2020] [Indexed: 02/07/2023]
Abstract
This article presents 20 combinations of histochemical stainings for the determination of mast cell co-localization with the fibrous component of the connective tissue in the fibrillogenesis course. Best results were obtained using metachromatic detection of mast cells in combination with silver or picro-fuchsin impregnation, staining with brilliant green using van Gieson staining, and a combination of aniline blue staining with neutral red. Proposed variants of histochemical protocols open up new opportunities to analyze the participation of mast cells in extracellular matrix remodeling of the tissue microenvironment in the course of adaptive and pathological processes. Results obtained expand the current theoretical views of the process of fibrillogenesis in the extracellular matrix. They also shed new light on the participation of mast cell secretion components in the molecular mechanisms of fiber formation.
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Affiliation(s)
- Dmitri Atiakshin
- Research Institute of Experimental Biology and Medicine, Voronezh N. N. Burdenko State Medical University, Voronezh, Russia
| | - Igor Buchwalow
- Institute of Hematopathology, Fangdieckstr. 75a, 22547, Hamburg, Germany.
| | - Markus Tiemann
- Institute of Hematopathology, Fangdieckstr. 75a, 22547, Hamburg, Germany
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Ragipoglu D, Dudeck A, Haffner-Luntzer M, Voss M, Kroner J, Ignatius A, Fischer V. The Role of Mast Cells in Bone Metabolism and Bone Disorders. Front Immunol 2020; 11:163. [PMID: 32117297 PMCID: PMC7025484 DOI: 10.3389/fimmu.2020.00163] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 01/21/2020] [Indexed: 12/15/2022] Open
Abstract
Mast cells (MCs) are important sensor and effector cells of the immune system that are involved in many physiological and pathological conditions. Increasing evidence suggests that they also play an important role in bone metabolism and bone disorders. MCs are located in the bone marrow and secrete a wide spectrum of mediators, which can be rapidly released upon activation of mature MCs following their differentiation in mucosal or connective tissues. Many of these mediators can exert osteocatabolic effects by promoting osteoclast formation [e.g., histamine, tumor necrosis factor (TNF), interleukin-6 (IL-6)] and/or by inhibiting osteoblast activity (e.g., IL-1, TNF). By contrast, MCs could potentially act in an osteoprotective manner by stimulating osteoblasts (e.g., transforming growth factor-β) or reducing osteoclastogenesis (e.g., IL-12, interferon-γ). Experimental studies investigating MC functions in physiological bone turnover using MC-deficient mouse lines give contradictory results, reporting delayed or increased bone turnover or no influence depending on the mouse model used. By contrast, the involvement of MCs in various pathological conditions affecting bone is evident. MCs may contribute to the pathogenesis of primary and secondary osteoporosis as well as inflammatory disorders, including rheumatoid arthritis and osteoarthritis, because increased numbers of MCs were found in patients suffering from these diseases. The clinical observations could be largely confirmed in experimental studies using MC-deficient mouse models, which also provide mechanistic insights. MCs also regulate bone healing after fracture by influencing the inflammatory response toward the fracture, vascularization, bone formation, and callus remodeling by osteoclasts. This review summarizes the current view and understanding of the role of MCs on bone in both physiological and pathological conditions.
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Affiliation(s)
- Deniz Ragipoglu
- Trauma Research Center Ulm, Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, Ulm, Germany
| | - Anne Dudeck
- Medical Faculty, Institute for Molecular and Clinical Immunology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Melanie Haffner-Luntzer
- Trauma Research Center Ulm, Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, Ulm, Germany
| | - Martin Voss
- Medical Faculty, Institute for Molecular and Clinical Immunology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Jochen Kroner
- Trauma Research Center Ulm, Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, Ulm, Germany
| | - Anita Ignatius
- Trauma Research Center Ulm, Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, Ulm, Germany
| | - Verena Fischer
- Trauma Research Center Ulm, Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, Ulm, Germany
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Rapacz-Leonard A, Leonard M, Chmielewska-Krzesińska M, Siemieniuch M, Janowski TE. The oxytocin-prostaglandins pathways in the horse (Equus caballus) placenta during pregnancy, physiological parturition, and parturition with fetal membrane retention. Sci Rep 2020; 10:2089. [PMID: 32034259 PMCID: PMC7005845 DOI: 10.1038/s41598-020-59085-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 01/23/2020] [Indexed: 11/18/2022] Open
Abstract
Despite their importance in mammalian reproduction, substances in the oxytocin-prostaglandins pathways have not been investigated in the horse placenta during most of pregnancy and parturition. Therefore, we quantified placental content of oxytocin (OXT), oxytocin receptor (OXTR), and prostaglandin E2 and F2 alpha during days 90-240 of pregnancy (PREG), physiological parturition (PHYS), and parturition with fetal membrane retention (FMR) in heavy draft horses (PREG = 13, PHYS = 11, FMR = 10). We also quantified OXTR and prostaglandin endoperoxide synthase-2 (PTGS2) mRNA expression and determined the immunolocalization of OXT, OXTR, and PTGS2. For relative quantification of OXT and OXTR, we used western blotting with densitometry. To quantify the prostaglandins, we used enzyme immunoassays. For relative quantification of OXTR and PTGS2, we used RT-qPCR. For immunolocalization of OXT, OXTR, and PTGS2, we used immunohistochemistry. We found that OXT was present in cells of the allantochorion and endometrium in all groups. PTGS2 expression in the allantochorion was 14.7-fold lower in FMR than in PHYS (p = 0.007). These results suggest that OXT is synthesized in the horse placenta. As PTGS2 synthesis is induced by inflammation, they also suggest that FMR in heavy draft horses may be associated with dysregulation of inflammatory processes.
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Affiliation(s)
- Anna Rapacz-Leonard
- Department of Animal Reproduction with Clinic, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland.
| | - Mark Leonard
- University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Małgorzata Chmielewska-Krzesińska
- Department of Pathophysiology, Forensic Veterinary and Administration, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Marta Siemieniuch
- Research Station in Popielno/Department of Immunology and Pathology of Reproduction, Polish Academy of Science, Olsztyn, Poland
| | - Tomasz E Janowski
- Department of Animal Reproduction with Clinic, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
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Fusco R, Siracusa R, D’Amico R, Peritore AF, Cordaro M, Gugliandolo E, Crupi R, Impellizzeri D, Cuzzocrea S, Di Paola R. Melatonin Plus Folic Acid Treatment Ameliorates Reserpine-Induced Fibromyalgia: An Evaluation of Pain, Oxidative Stress, and Inflammation. Antioxidants (Basel) 2019; 8:antiox8120628. [PMID: 31817734 PMCID: PMC6943570 DOI: 10.3390/antiox8120628] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 11/27/2019] [Accepted: 12/05/2019] [Indexed: 12/11/2022] Open
Abstract
Background: Fibromyalgia is a chronic condition characterized by increased sensory perception of pain, neuropathic/neurodegenerative modifications, oxidative, and nitrosative stress. An appropriate therapy is hard to find, and the currently used treatments are able to target only one of these aspects. Methods: The aim of this study is to investigate the beneficial effects of melatonin plus folic acid administration in a rat model of reserpine-induced fibromyalgia. Sprague–Dawley male rats were injected with 1 mg/kg of reserpine for three consecutive days and later administered with melatonin, folic acid, or both for twenty-one days. Results: Administration of reserpine led to a significant decrease in the nociceptive threshold as well as a significant increase in depressive-like symptoms. These behavioral changes were accompanied by increased oxidative and nitrosative stress. Lipid peroxidation was significantly increased, as well as nitrotyrosine and PARP expression, while superoxide dismutase, nonprotein thiols, and catalase were significantly decreased. Endogenously produced oxidants species are responsible for mast cell infiltration, increased expression pro-inflammatory mediators, and microglia activation. Conclusion: Melatonin plus acid folic administration is able to ameliorate the behavioral defects, oxidative and nitrosative stress, mast cell infiltration, inflammatory mediators overexpression, and microglia activation induced by reserpine injection with more efficacy than their separate administration.
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Affiliation(s)
- Roberta Fusco
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres, n 31, 98166 Messina, Italy; (R.F.); (R.S.); (A.F.P.); (M.C.); (E.G.); (R.C.); (R.D.P.)
| | - Rosalba Siracusa
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres, n 31, 98166 Messina, Italy; (R.F.); (R.S.); (A.F.P.); (M.C.); (E.G.); (R.C.); (R.D.P.)
| | - Ramona D’Amico
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres, n 31, 98166 Messina, Italy; (R.F.); (R.S.); (A.F.P.); (M.C.); (E.G.); (R.C.); (R.D.P.)
| | - Alessio Filippo Peritore
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres, n 31, 98166 Messina, Italy; (R.F.); (R.S.); (A.F.P.); (M.C.); (E.G.); (R.C.); (R.D.P.)
| | - Marika Cordaro
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres, n 31, 98166 Messina, Italy; (R.F.); (R.S.); (A.F.P.); (M.C.); (E.G.); (R.C.); (R.D.P.)
| | - Enrico Gugliandolo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres, n 31, 98166 Messina, Italy; (R.F.); (R.S.); (A.F.P.); (M.C.); (E.G.); (R.C.); (R.D.P.)
| | - Rosalia Crupi
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres, n 31, 98166 Messina, Italy; (R.F.); (R.S.); (A.F.P.); (M.C.); (E.G.); (R.C.); (R.D.P.)
| | - Daniela Impellizzeri
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres, n 31, 98166 Messina, Italy; (R.F.); (R.S.); (A.F.P.); (M.C.); (E.G.); (R.C.); (R.D.P.)
- Correspondence: (D.I.); (S.C.); Tel.: +39-90-6765208 (D.I. & S.C.)
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres, n 31, 98166 Messina, Italy; (R.F.); (R.S.); (A.F.P.); (M.C.); (E.G.); (R.C.); (R.D.P.)
- Department of Pharmacological and Physiological Science, Saint Louis University School of Medicine, 1402 South Grand Blvd, St. Louis, MO 63104, USA
- Correspondence: (D.I.); (S.C.); Tel.: +39-90-6765208 (D.I. & S.C.)
| | - Rosanna Di Paola
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres, n 31, 98166 Messina, Italy; (R.F.); (R.S.); (A.F.P.); (M.C.); (E.G.); (R.C.); (R.D.P.)
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Mast cell-mediated splanchnic cholestatic inflammation. Clin Res Hepatol Gastroenterol 2019; 43:561-574. [PMID: 30853494 DOI: 10.1016/j.clinre.2019.02.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 01/21/2019] [Accepted: 02/04/2019] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Splanchnic mast cells increase in chronic liver and in acute-on-chronic liver diseases. We administered Ketotifen, a mast cell stabilizer, and measured the mast cells in the splanchnic organs of cholestatic rats. MATERIAL AND METHODS These groups were studied: sham-operated rats (S; n = 15), untreated microsurgical cholestasic rats (C; n = 20) and rats treated with Ketotifen: early (SK-e; n = 20 and CKe; n = 18), and late (SK-l; n = 15 and CK-l; n = 14). RESULTS The cholestatic rats showed systemic and splanchnic impairments, such as ascites, portal hypertension, and biliary proliferation and fibrosis. The rats also showed a splanchnic increase of TNF-α, IL-1β and MCP-1, and a reduction of IL-4, IL-10 and antioxidants. An increase of VEGF in the ileum and mesenteric lymphatic complex was associated with a liver reduction of TGF-β1. Ketotifen reduces the degree of hepatic insufficiency and the splanchnic inflammatory mediators, as well as VEGF and TGF-ß1 levels. Ketotifen also reduces the connective tissue mast cells in the mesenteric lymphatic complex of cholestatic rats, while increases the hepatic mucosal mast cells. CONCLUSIONS In cholestatic rats, Ketotifen improves liver function and ascites, and also reduces pro-inflammatory mediators in the splanchnic area. The decrease in connective tissue mast cells in the mesenteric lymphatic complex due to the administration of Ketotifen would lead to the improvement of the inflammatory splanchnic response, and consequently the abovementioned complications.
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Gorzalczany Y, Merimsky O, Sagi-Eisenberg R. Mast Cells Are Directly Activated by Cancer Cell-Derived Extracellular Vesicles by a CD73- and Adenosine-Dependent Mechanism. Transl Oncol 2019; 12:1549-1556. [PMID: 31493676 PMCID: PMC6732751 DOI: 10.1016/j.tranon.2019.08.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 08/05/2019] [Indexed: 12/20/2022] Open
Abstract
We have recently shown that mast cells (MCs), which constitute an important part of the tumor microenvironment (TME), can be directly activated by cancer cells under conditions that recapitulate cell to cell contact. However, MCs are often detected in the tumor periphery rather than intratumorally. Therefore, we investigated the possibility of MC activation by cancer cell–derived extracellular vesicles (EVs). Here we show that exposure of MCs to EVs derived from pancreatic cancer cells or non–small cell lung carcinoma results in MC activation, evident by the increased phosphorylation of the ERK1/2 MAP kinases. Further, we show that, similarly to activation by cancer cell contact, activation by EVs is dependent on the ecto enzyme CD73 that mediates extracellular formation of adenosine and on signaling by the A3 adenosine receptor. Finally, we show that activation by either cell contact or EVs upregulates expression of angiogenic and tissue remodeling genes, including IL8, IL6, VEGF, and amphiregulin. Collectively, our findings indicate that both intratumorally localized MCs and peripheral MCs are activated and reprogrammed in the TME either by contact with the cancer cells or by their released EVs.
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Affiliation(s)
- Yaara Gorzalczany
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Ofer Merimsky
- Unit of Soft Tissue and Bone Oncology, Division of Oncology, The Tel Aviv Sourasky Medical Center and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Ronit Sagi-Eisenberg
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, 69978, Israel.
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Abstract
During degranulation, mast cells secrete a specific set of mediators defined as "secretome" including the preformed mediators that have already been synthesized by a cell and contained in the cytoplasmic granules. This group includes serine proteases, in particular, chymase and tryptase. Biological significance of chymase depends on the mechanisms of degranulation and is characterized by selective effects on the cellular and non-cellular components of the specific tissue microenvironment. Chymase is known to be closely involved in the mechanisms of inflammation and allergy, angiogenesis, and oncogenesis, remodeling of the extracellular matrix of the connective tissue and changes in organ histoarchitectonics. Number of chymase-positive mast cells in the intra-organ population, and the mechanisms of biogenesis and secretome degranulation appear to be the informative criteria for interpreting the state of the internal organs, characterizing not only the diagnostic efficacy but also the properties of targets of pharmacotherapy. In this review, we discussed the current state of knowledge about mast cell chymase as one of the mast cell secretome proteases. Main issues of the reviewed publications are highlighted with our microscopic images of mast cell chymase visualized using immunohistochemical staining.
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Theoharides TC, Tsilioni I, Bawazeer M. Mast Cells, Neuroinflammation and Pain in Fibromyalgia Syndrome. Front Cell Neurosci 2019; 13:353. [PMID: 31427928 PMCID: PMC6687840 DOI: 10.3389/fncel.2019.00353] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 07/16/2019] [Indexed: 02/04/2023] Open
Abstract
Fibromyalgia Syndrome (FMS) is a disorder of chronic, generalized muscular pain, accompanied by sleep disturbances, fatigue and cognitive dysfunction. There is no definitive pathogenesis except for altered central pain pathways. We previously reported increased serum levels of the neuropeptides substance P (SP) and its structural analogue hemokinin-1 (HK-1) together with the pro-inflammatory cytokines IL-6 and TNF in FMS patients as compared to sedentary controls. We hypothesize that thalamic mast cells contribute to inflammation and pain, by releasing neuro-sensitizing molecules that include histamine, IL-1β, IL-6 and TNF, as well as calcitonin-gene related peptide (CGRP), HK-1 and SP. These molecules could either stimulate thalamic nociceptive neurons directly, or via stimulation of microglia in the diencephalon. As a result, inhibiting mast cell stimulation could be used as a novel approach for reducing pain and the symptoms of FMS.
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Affiliation(s)
- Theoharis C Theoharides
- Laboratory of Molecular Immunopharmacology and Drug Discovery, Department of Immunology, Tufts University School of Medicine, Boston, MA, United States.,Sackler School of Graduate Biomedical Sciences, Tufts University, Boston, MA, United States.,Department of Internal Medicine, Tufts Medical Center, Tufts University School of Medicine, Boston, MA, United States.,Department of Psychiatry, Tufts Medical Center, Tufts University School of Medicine, Boston, MA, United States
| | - Irene Tsilioni
- Laboratory of Molecular Immunopharmacology and Drug Discovery, Department of Immunology, Tufts University School of Medicine, Boston, MA, United States
| | - Mona Bawazeer
- Laboratory of Molecular Immunopharmacology and Drug Discovery, Department of Immunology, Tufts University School of Medicine, Boston, MA, United States.,Sackler School of Graduate Biomedical Sciences, Tufts University, Boston, MA, United States.,Department of Basic Medical Sciences, College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
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Ng K, Raheem J, St Laurent CD, Marcet CT, Vliagoftis H, Befus AD, Moon TC. Responses of human mast cells and epithelial cells following exposure to influenza A virus. Antiviral Res 2019; 171:104566. [PMID: 31348951 DOI: 10.1016/j.antiviral.2019.104566] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 06/03/2019] [Accepted: 07/22/2019] [Indexed: 12/12/2022]
Abstract
As a part of innate immune defense, the role of mast cells during viral replication has been incompletely understood. In this study, we characterized and compared the responses of the human mast cell line, LAD2, and human lung epithelial cell line, Calu-3, against three influenza A virus strains; A/PR/8/34 (H1N1), A/WS/33 (H1N1) and A/HK/8/68 (H3N2). We found that there were strain-dependent mast cell responses, and different profiles of cytokine, chemokine and antiviral gene expression between the two cell types. All three strains did not induce histamine or β-hexosaminidase release in LAD2. A/HK/8/68 induced release of prostaglandin D2 in LAD2, whereas A/PR/8/34 and A/WS/33 did not. We found that, among those examined, only CCL4 (by A/PR/8/34) was statistically significantly released from LAD2 cells. Furthermore, there was increased mRNA expression of viral recognition receptors (RIG-I and MDA5) and antiviral protein, viperin, but levels and kinetics of the expression were different among the cell types, as well as by the strains examined. Our findings highlight the variability in innate response to different strains of influenza A virus in two human cell types, indicating that further investigation is needed to understand better the role of mast cells and epithelial cells in innate immunity against influenza A viruses.
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Affiliation(s)
- Kurtis Ng
- Alberta Respiratory Centre, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Javeria Raheem
- Alberta Respiratory Centre, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Chris D St Laurent
- Alberta Respiratory Centre, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Candy Tsang Marcet
- Alberta Respiratory Centre, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Harissios Vliagoftis
- Alberta Respiratory Centre, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - A Dean Befus
- Alberta Respiratory Centre, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada.
| | - Tae Chul Moon
- Alberta Respiratory Centre, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada.
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