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Zhou Z, An Q, Zhang W, Li Y, Zhang Q, Yan H. Histamine and receptors in neuroinflammation: Their roles on neurodegenerative diseases. Behav Brain Res 2024; 465:114964. [PMID: 38522596 DOI: 10.1016/j.bbr.2024.114964] [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: 01/14/2024] [Revised: 03/17/2024] [Accepted: 03/18/2024] [Indexed: 03/26/2024]
Abstract
Histamine, an auto-reactive substance and mediator of inflammation, is synthesized from histidine through the action of histidine decarboxylase (HDC). It primarily acts on histamine receptors in the central nervous system (CNS). Increasing evidence suggests that histamine and its receptors play a crucial role in neuroinflammation, thereby modulating the pathology of neurodegenerative diseases. Recent studies have demonstrated that histamine regulates the phenotypic switching of microglia and astrocytes, inhibits the production of pro-inflammatory cytokines, and alleviates inflammatory responses. In the CNS, our research group has also found that histamine and its receptors are involved in regulating inflammatory responses and play a central role in ameliorating chronic neuroinflammation in neurodegenerative diseases. In this review, we will discuss the role of histamine and its receptors in neuroinflammation associated with neurodegenerative diseases, potentially providing a novel therapeutic target for the treatment of chronic neuroinflammation-related neurodegenerative diseases in clinical settings.
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Affiliation(s)
- Zhenyu Zhou
- Department of Pharmacology, College of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Qi An
- Department of Pharmacology, College of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Wanying Zhang
- Department of Pharmacology, College of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Yixin Li
- Department of Pharmacology, College of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Qihang Zhang
- Department of Pharmacology, College of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Haijing Yan
- Department of Pharmacology, College of Basic Medicine, Binzhou Medical University, Yantai, China.
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2
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Wasilewski T, Wasilewska J, Łukaszewicz-Zając M, Mroczko B. Subfertility as Overlapping of Nutritional, Endocrine, Immune, and Cardiometabolic Dysregulations-A Study Focused on Biochemical Endophenotypes of Subfertile Couples. J Clin Med 2023; 12:6094. [PMID: 37763034 PMCID: PMC10531916 DOI: 10.3390/jcm12186094] [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: 07/26/2023] [Revised: 09/01/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023] Open
Abstract
Subfertility is a global health issue, and as many as 30% of cases are attributed to unexplained reasons. A hypercaloric, high-fat diet stimulates the expansion of pro-inflammatory gut microbiota with a consequent rise in circulating lipopolysaccharides. Adverse gut microbiota remodeling can exacerbate insulin resistance, while sex and thyroid hormones may influence the variability in gut microbiota. This cross-sectional study included 150 participants and was designed to determine a biochemical, nutritional-related pattern that may distinguish subfertile from fertile individuals and couples. A panel of 28 biomarkers was assessed. Four biochemical phenotypes of unexplained subfertility were found, including two metabolic and two immune, when assessed using binary logistic regression models. Two phenotypes were distinguished in women: cardio-metabolic with atherogenic dyslipidemia (LowHDL-cholesterol: OR = 10.9; p < 0.05) and autoimmune thyroid disorder (Highanti-thyroid-peroxidase: OR = 5.5; p < 0.05) and two in men: hepato-metabolic with elevated liver injury enzymes (HighHOMA-IR: OR = 6.1; p < 0.05) and immune type-2 response (HighIgE: OR = 6.4; p < 0.05). The chances of a couple's subfertility rose with the number of laboratory components of metabolic syndrome in the couple (OR = 1.7; p < 0.05) and if at least one partner had an elevated total IgE level (>100 kU/L) (OR = 6.5; p < 0.05). This study found that unexplained subfertility may be accompanied by mutually overlapping immune and metabolic dysregulations in individuals and couples. We propose one-time laboratory diagnostics taking into account the lipid profile, insulin resistance, anti-thyroid-peroxidase, and total IgE in both males and females with unexplained subfertility. This may allow for a one-time assessment of targeted medical and nutritional interventions and help optimize patients' health. The gut-organ axes related to subfertility are discussed in the context of the obtained results.
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Affiliation(s)
- Tadeusz Wasilewski
- Centre for Restorative Procreative Medicine, Napromedica, 15-741 Bialystok, Poland;
| | - Jolanta Wasilewska
- Centre for Paediatrics, Allergology, Psychodietetics, and Treatment of Children Diagnosed with Autism, IPM, 15-404 Bialystok, Poland
| | - Marta Łukaszewicz-Zając
- Department of Biochemical Diagnostics, Medical University of Bialystok, 15-269 Bialystok, Poland;
| | - Barbara Mroczko
- Department of Biochemical Diagnostics, Medical University of Bialystok, 15-269 Bialystok, Poland;
- Department of Neurodegeneration Diagnostics, Medical University of Bialystok, 15-269 Bialystok, Poland
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3
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Chen WA, Chang DY, Chen BM, Lin YC, Barenholz Y, Roffler SR. Antibodies against Poly(ethylene glycol) Activate Innate Immune Cells and Induce Hypersensitivity Reactions to PEGylated Nanomedicines. ACS NANO 2023; 17:5757-5772. [PMID: 36926834 PMCID: PMC10062034 DOI: 10.1021/acsnano.2c12193] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 03/03/2023] [Indexed: 06/09/2023]
Abstract
Nanomedicines and macromolecular drugs can induce hypersensitivity reactions (HSRs) with symptoms ranging from flushing and breathing difficulties to hypothermia, hypotension, and death in the most severe cases. Because many normal individuals have pre-existing antibodies that bind to poly(ethylene glycol) (PEG), which is often present on the surface of nanomedicines and macromolecular drugs, we examined if and how anti-PEG antibodies induce HSRs to PEGylated liposomal doxorubicin (PLD). Anti-PEG IgG but not anti-PEG IgM induced symptoms of HSRs including hypothermia, altered lung function, and hypotension after PLD administration in C57BL/6 and nonobese diabetic/severe combined immunodeficiency (NOD/SCID) mice. Hypothermia was significantly reduced by blocking FcγRII/III, by depleting basophils, monocytes, neutrophils, or mast cells, and by inhibiting secretion of histamine and platelet-activating factor. Anti-PEG IgG also induced hypothermia in mice after administration of other PEGylated liposomes, nanoparticles, or proteins. Humanized anti-PEG IgG promoted binding of PEGylated nanoparticles to human immune cells and induced secretion of histamine from human basophils in the presence of PLD. Anti-PEG IgE could also induce hypersensitivity reactions in mice after administration of PLD. Our results demonstrate an important role for IgG antibodies in induction of HSRs to PEGylated nanomedicines through interaction with Fcγ receptors on innate immune cells and provide a deeper understanding of HSRs to PEGylated nanoparticles and macromolecular drugs that may facilitate development of safer nanomedicines.
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Affiliation(s)
- Wei-An Chen
- Institute
of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan
| | - Deng-Yuan Chang
- Institute
of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan
| | - Bing-Mae Chen
- Institute
of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan
| | - Yi-Chen Lin
- Institute
of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan
- Graduate
Institute of Life Sciences, National Defense
Medical Center, Taipei 11529, Taiwan
| | - Yechezekel Barenholz
- Department
of Biochemistry, Faculty of Medicine, The
Hebrew University, Jerusalem 91120, Israel
| | - Steve R. Roffler
- Institute
of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan
- Graduate
Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
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Hiroyasu S, Barit JVJG, Hiroyasu A, Tsuruta D. Pruritogens in pemphigoid diseases: Possible therapeutic targets for a burdensome symptom. J Dermatol 2023; 50:150-161. [PMID: 36477831 PMCID: PMC10108135 DOI: 10.1111/1346-8138.16652] [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: 10/27/2022] [Revised: 10/28/2022] [Accepted: 10/31/2022] [Indexed: 12/12/2022]
Abstract
Pruritus is a hallmark feature in pemphigoid diseases, where it can be severe and greatly impact the quality of life of affected patients. Despite being a key symptom, the exact pathophysiological mechanisms involved in pruritus in pemphigoid are yet to be fully elucidated and effective therapies addressing them are limited. This review summarizes the present understanding of pruritus specific to pemphigoid diseases, especially the pruritogens that induce it, and the therapeutic options that have been explored so far. The majority of the available evidence is on bullous pemphigoid and epidermolysis bullosa acquisita. Histamine derived from basophils correlates with pruritus severity, with omalizumab demonstrating promising efficacy in pruritus for bullous pemphigoid. IL-4/-13 contribute to itch in bullous pemphigoid with dupilumab being evaluated in clinical trials. Other pruritogens of interest include substance P, tryptase, and thymic stromal lymphopoetin, with therapies targeting them requiring further investigation. Scratching behaviors contribute directly to blister formation through various mechanisms, such as pathological autoantibody recruitment, T helper cell type 1 polarization, and exposure of intracellular autoantigens. Treatments addressing these pathways may contribute to decreasing disease severity. Additional studies are needed to fully characterize how pruritus is regulated in pemphigoid diseases, to help pave the way to develop novel and effective therapeutics that will not only address pruritic symptoms but also decrease disease severity.
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Affiliation(s)
- Sho Hiroyasu
- Department of Dermatology, Osaka Metropolitan University Graduate School of Medicine, Osaka, Japan
| | - Jay-V James G Barit
- Department of Dermatology, Osaka Metropolitan University Graduate School of Medicine, Osaka, Japan
| | - Aoi Hiroyasu
- Department of Dermatology, Osaka Metropolitan University Graduate School of Medicine, Osaka, Japan
| | - Daisuke Tsuruta
- Department of Dermatology, Osaka Metropolitan University Graduate School of Medicine, Osaka, Japan
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Janus T, Korbal U, Żukowski M, Lewosiuk A, Koper K, Żukowska A, Brzeźniakiewicz-Janus K. Histamine and Serotonin Levels in Bone Marrow Stem Cells Niche as Potential Biomarkers of Systemic Mastocytosis and Myeloproliferative Disorders. Stem Cell Rev Rep 2022; 19:807-816. [PMID: 36577910 PMCID: PMC10070308 DOI: 10.1007/s12015-022-10502-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/19/2022] [Indexed: 12/30/2022]
Abstract
Bone marrow studies currently provide a lot of valuable information in the diagnostics of hematological diseases including hematopoietic stem cells disorders. Our studies on low-molecular weight organic compounds in bone marrow stem cell niche in various pathogenic conditions, revealed relatively high variability of histamine levels in different groups of hematological diseases. It was also found that serotonin levels were significantly lower than those typically measured in peripheral blood as well as many have the influence on stem cells proliferative potential. This paper presents findings from quantitative and statistical analyses of histamine and serotonin levels. Bone marrow collected from patients undergoing routine diagnostic procedures for hematological diseases and receiving inpatient treatment were analyzed. Histamine and serotonin levels were measured using hydrophilic interaction liquid chromatography (HILIC) coupled with tandem mass spectrometry. Obtained data were analyzed statistically and correlated with the diagnosed groups of hematological diseases and the parameters of complete blood counts. Histamine was found in all tested samples, including those from patients without malignancy, and the reported levels were comparable to the reference values in blood. This observation allows us to assume that bone marrow cells can produce and accumulate histamine. Moreover, the statistical analysis revealed a significant relationship between histamine levels and diagnosed mastocytosis, and between histamine levels and myeloproliferative neoplasms. Different results were obtained for serotonin, and its concentrations in most cases were below the limit of quantification of the method used (< 0.2 ng/mL), which can only be compared to peripheral blood plasma. In a few cases, significantly higher serotonin levels were observed and it concerned diseases associated with an increased number of megakaryocytes in the bone marrow.
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Affiliation(s)
- Tomasz Janus
- Department of Forensic and Clinical Toxicology, Pomeranian Medical University in Szczecin, Al. Powstańców Wlkp. 72, 70-111, Szczecin, Poland.
| | - Urszula Korbal
- Department of Forensic and Clinical Toxicology, Pomeranian Medical University in Szczecin, Al. Powstańców Wlkp. 72, 70-111, Szczecin, Poland
| | - Maciej Żukowski
- Department of Anesthesiology, Intensive Therapy and Poisoning, Pomeranian Medical University in Szczecin, Szczecin, Poland
| | - Agnieszka Lewosiuk
- Department and Clinic of Hematology, Oncology and Radiotherapy of theUniversity of Zielona Góra, Zielona Góra, Poland
| | - Katarzyna Koper
- Department and Clinic of Hematology, Oncology and Radiotherapy of theUniversity of Zielona Góra, Zielona Góra, Poland
| | - Agnieszka Żukowska
- Department of Infection Control, District General Hospital in Stargard, Stargard, Poland
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Bando K, Tanaka Y, Takahashi T, Sugawara S, Mizoguchi I, Endo Y. Histamine acts via H4-receptor stimulation to cause augmented inflammation when lipopolysaccharide is co-administered with a nitrogen-containing bisphosphonate. Inflamm Res 2022; 71:1603-1617. [DOI: 10.1007/s00011-022-01650-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 06/22/2022] [Accepted: 09/14/2022] [Indexed: 11/28/2022] Open
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Nontryptase Urinary and Hematologic Biomarkers of Mast Cell Expansion and Mast Cell Activation: Status 2022. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:1974-1984. [PMID: 35346887 DOI: 10.1016/j.jaip.2022.03.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 03/14/2022] [Accepted: 03/16/2022] [Indexed: 12/17/2022]
Abstract
Quantitation of urinary metabolites of histamine, prostaglandin D2, and leukotriene E4 can fill the gap in our current efforts to improve diagnosis and management of symptomatic patients with systemic mastocytosis, and/or mast cell activation syndrome, In addition, patients symptomatic due to mast cell activation but who do not meet all the criteria for mast cell activation syndrome can have elevated baseline mediator metabolites. Serum tryptase levels have been the workhorse in diagnosing these disorders, but it has several drawbacks including the need to obtain acute and baseline samples, which require 2 visits to health care facilities and 2 venipunctures. Recently, increased baseline tryptase level has been reported in hereditary alpha tryptasemia, complicating diagnostic possibilities of an increased baseline tryptase level. Furthermore, no treatment can specifically be targeted at tryptase itself. In contrast, the finding of 1 or more elevated urinary levels of histamine, prostaglandin D2, and/or leukotriene E4 metabolites (1) greatly narrows diagnostic possibilities for causes of symptoms; (2) informs the practitioner what specific metabolic pathways are involved; and (3) targets the treatment in a specific, direct fashion. As a bonus, baseline spot/random urine samples can be obtained by the patients themselves and repeated at exactly the correct time when symptoms occur.
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Dib K, El Banna A, Radulescu C, Lopez Campos G, Sheehan G, Kavanagh K. Histamine Produced by Gram-Negative Bacteria Impairs Neutrophil's Antimicrobial Response by Engaging the Histamine 2 Receptor. J Innate Immun 2022; 15:153-173. [PMID: 35858582 PMCID: PMC10643892 DOI: 10.1159/000525536] [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: 01/11/2022] [Accepted: 06/12/2022] [Indexed: 11/19/2022] Open
Abstract
We found that histamine (10-9 M) did not have any effect on the in vitro capture of Escherichia coli by neutrophils but accelerated its intracellular killing. In contrast, histamine (10-6 M) delayed the capture of Escherichia coli by neutrophils and reduced the amounts of pHrodo zymosan particles inside acidic mature phagosomes. Histamine acted through the H4R and the H2R, which are coupled to the Src family tyrosine kinases or the cAMP/protein kinase A pathway, respectively. The protein kinase A inhibitor H-89 abrogated the delay in bacterial capture induced by histamine (10-6 M) and the Src family tyrosine kinase inhibitor PP2 blocked histamine (10-9 M) induced acceleration of bacterial intracellular killing and tyrosine phosphorylation of proteins. To investigate the role of histamine in pathogenicity, we designed an Acinetobacter baumannii strain deficient in histamine production (hdc::TOPO). Galleria mellonella larvae inoculated with the wild-type Acinetobacter baumannii ATCC 17978 strain (1.1 × 105 CFU) died rapidly (100% death within 40 h) but not when inoculated with the Acinetobacter baumannii hdc::TOPO mutant (10% mortality). The concentration of histamine rose in the larval haemolymph upon inoculation of the wild type but not the Acinetobacter baumannii hdc::TOPO mutant, such concentration of histamine blocks the ability of hemocytes from Galleria mellonella to capture Candida albicans in vitro. Thus, bacteria-producing histamine, by maintaining high levels of histamine, may impair neutrophil phagocytosis by hijacking the H2R.
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Affiliation(s)
- Karim Dib
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, UK
| | - Amal El Banna
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, UK
| | - Clara Radulescu
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, UK
| | - Guillermo Lopez Campos
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, UK
| | - Gerard Sheehan
- Department of Biology, Maynooth University, Maynooth, Ireland
| | - Kevin Kavanagh
- Department of Biology, Maynooth University, Maynooth, Ireland
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9
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Abstract
Purpose of Review The purpose of this review is to provide a better understanding of anaphylaxis pathophysiology and describe the underlying mechanisms, effector cells, and the potential biomarkers involved depending on the anaphylaxis endotypes. Recent Findings New insight into the potential relevance of pathways others than IgE-dependent anaphylaxis has been unraveled, as well as other biomarkers than tryptase, such as the role of platelet activation factor, basogranulin, dipeptidyl peptidase I, CCL-2, and other cytokines. Summary Gaining knowledge of all the mediators and cellular activation/communication pathways involved in each endotype of anaphylaxis will allow the application of precision medicine in patients with anaphylactic reactions, providing insights to the most appropriate approach in each case and helping to stratify severity and risk prediction.
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Shulpekova YO, Nechaev VM, Popova IR, Deeva TA, Kopylov AT, Malsagova KA, Kaysheva AL, Ivashkin VT. Food Intolerance: The Role of Histamine. Nutrients 2021; 13:nu13093207. [PMID: 34579083 PMCID: PMC8469513 DOI: 10.3390/nu13093207] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 09/09/2021] [Accepted: 09/10/2021] [Indexed: 12/16/2022] Open
Abstract
Histamine is a natural amine derived from L-histidine. Although it seems that our knowledge about this molecule is wide and diverse, the importance of histamine in many regulatory processes is still enigmatic. The interplay between different types of histamine receptors and the compound may cause ample effects, including histamine intoxication and so-called histamine intolerance or non-allergic food intolerance, leading to disturbances in immune regulation, manifestation of gastroenterological symptoms, and neurological diseases. Most cases of clinical manifestations of histamine intolerance are non-specific due to tissue-specific distribution of different histamine receptors and the lack of reproducible and reliable diagnostic markers. The diagnosis of histamine intolerance is fraught with difficulties, in addition to challenges related to the selection of a proper treatment strategy, the regular course of recovery, and reduced amelioration of chronic symptoms due to inappropriate treatment prescription. Here, we reviewed a history of histamine uptake starting from the current knowledge about its degradation and the prevalence of histamine precursors in daily food, and continuing with the receptor interactions after entering and the impacts on the immune, central nervous, and gastrointestinal systems. The purpose of this review is to build an extraordinarily specific method of histamine cycle assessment in regard to non-allergic intolerance and its possible dire consequences that can be suffered.
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Affiliation(s)
- Yulia O. Shulpekova
- Department of Internal Diseases Propedeutics, Sechenov University, 119121 Moscow, Russia; (Y.O.S.); (V.M.N.); (I.R.P.); (V.T.I.)
| | - Vladimir M. Nechaev
- Department of Internal Diseases Propedeutics, Sechenov University, 119121 Moscow, Russia; (Y.O.S.); (V.M.N.); (I.R.P.); (V.T.I.)
| | - Irina R. Popova
- Department of Internal Diseases Propedeutics, Sechenov University, 119121 Moscow, Russia; (Y.O.S.); (V.M.N.); (I.R.P.); (V.T.I.)
| | - Tatiana A. Deeva
- Department of Biological Chemistry, Sechenov University, 119991 Moscow, Russia;
| | - Arthur T. Kopylov
- Biobanking Group, Branch of Institute of Biomedical Chemistry “Scientific and Education Center”, 123098 Moscow, Russia; (A.T.K.); (A.L.K.)
| | - Kristina A. Malsagova
- Biobanking Group, Branch of Institute of Biomedical Chemistry “Scientific and Education Center”, 123098 Moscow, Russia; (A.T.K.); (A.L.K.)
- Correspondence: ; Tel.: +7-499-764-9878
| | - Anna L. Kaysheva
- Biobanking Group, Branch of Institute of Biomedical Chemistry “Scientific and Education Center”, 123098 Moscow, Russia; (A.T.K.); (A.L.K.)
| | - Vladimir T. Ivashkin
- Department of Internal Diseases Propedeutics, Sechenov University, 119121 Moscow, Russia; (Y.O.S.); (V.M.N.); (I.R.P.); (V.T.I.)
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Grigorev I, Korzhevskii D. Modern Imaging Technologies of Mast Cells for Biology and Medicine (Review). Sovrem Tekhnologii Med 2021; 13:93-107. [PMID: 34603768 PMCID: PMC8482833 DOI: 10.17691/stm2021.13.4.10] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Indexed: 01/03/2023] Open
Abstract
Mast cells play an important role in the body defense against allergens, pathogens, and parasites by participating in inflammation development. However, there is evidence for their contributing to the pathogenesis of a number of atopic, autoimmune, as well as cardiovascular, oncologic, neurologic, and other diseases (allergy, asthma, eczema, rhinitis, anaphylaxis, mastocytosis, multiple sclerosis, rheumatoid arthritis, inflammatory gastrointestinal and pulmonary diseases, migraine, etc.). The diagnosis of many diseases and the study of mast cell functions in health and disease require their identification; so, the knowledge on adequate imaging techniques for mast cells in humans and different species of animals is of particular importance. The present review summarizes the data on major methods of mast cell imaging: enzyme histochemistry, immunohistochemistry, as well as histochemistry using histological stains. The main histological stains bind to heparin and other acidic mucopolysaccharides contained in mast cells and stain them metachromatically. Among these are toluidine blue, methylene blue (including that contained in May-Grünwald-Giemsa stain), thionin, pinacyanol, and others. Safranin and fluorescent dyes: berberine and avidin - also bind to heparin. Longer staining with histological dyes or alcian blue staining is needed to label mucosal and immature mast cells. Advanced techniques - enzyme histochemistry and especially immunohistochemistry - enable to detect mast cells high-selectively using a reaction to tryptases and chymases (specific proteases of these cells). In the immunohistochemical study of tryptases and chymases, species-specific differences in the distribution of the proteases in mast cells of humans and animals should be taken into account for their adequate detection. The immunohistochemical reaction to immunoglobulin E receptor (FcεRI) and c-kit receptor is not specific to mast cells, although the latter is important to demonstrate their proliferation in normal and malignant growth. Correct fixation of biological material is also discussed in the review as it is of great significance for histochemical and immunohistochemical mast cell detection. Fluorescent methods of immunohistochemistry and a multimarker analysis in combination with confocal microscopy are reported to be new technological approaches currently used to study various mast cell populations.
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Affiliation(s)
- I.P. Grigorev
- Senior Researcher, Laboratory of Functional Morphology of the Central and Peripheral Nervous System, Department of General and Specific Morphology; Institute of Experimental Medicine, 12 Akademika Pavlova St., Saint Petersburg, 197376, Russia
| | - D.E. Korzhevskii
- Professor of the Russian Academy of Sciences, Head of the Laboratory of Functional Morphology of the Central and Peripheral Nervous System, Department of General and Specific Morphology; Institute of Experimental Medicine, 12 Akademika Pavlova St., Saint Petersburg, 197376, Russia
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12
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Chacón P, Vega-Rioja A, Doukkali B, Del Valle Rodríguez A, Bellido V, Puente Y, Alcañiz L, Rodríguez D, Palacios R, Cornejo-García JA, Monteseirín J, Rivas-Pérez D. Targeted inhibition of allergen-induced histamine production by neutrophils. FASEB J 2021; 35:e21483. [PMID: 33788304 DOI: 10.1096/fj.202001912r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 02/12/2021] [Accepted: 02/15/2021] [Indexed: 11/11/2022]
Abstract
Histamine is a critical inflammatory mediator in allergic diseases. We showed in a previous work that neutrophils from allergic patients produce histamine in response to allergens to which the patients were sensitized. Here, we investigate the molecular mechanisms involved in this process using peripheral blood neutrophils. We challenged these cells in vitro with allergens and analyzed histamine release in the culture supernatants. We also explored the effect of common therapeutic drugs that ameliorate allergic symptoms, as well as allergen-specific immunotherapy. Additionally, we examined the expression of histidine decarboxylase and diamine oxidase, critical enzymes in the metabolism of histamine, under allergen challenge. We show that allergen-induced histamine release is dependent on the activation of the phosphoinositide 3-kinase, mitogen-activated protein kinase p38, and extracellular signal-regulated kinase 1/2 signaling pathways. We also found a contribution of the phosphatase calcineurin to lesser extent. Anti-histamines, glucocorticoids, anti-M3-muscarinic receptor antagonists, and mainly β2 -receptor agonists abolished the allergen-dependent histamine release. Interestingly, allergen-specific immunotherapy canceled the histamine release through the downregulation of histidine decarboxylase expression. Our observations describe novel molecular mechanisms involved in the allergen-dependent histamine release by human neutrophils and provide new targets to inhibit histamine production.
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Affiliation(s)
- Pedro Chacón
- UGC de Alergología, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | - Antonio Vega-Rioja
- UGC de Alergología, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | - Bouchra Doukkali
- UGC de Alergología, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | | | - Virginia Bellido
- UGC de Alergología, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | - Yolanda Puente
- UGC de Alergología, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | - Lorena Alcañiz
- UGC de Dermatología, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | | | | | | | - Javier Monteseirín
- UGC de Alergología, Hospital Universitario Virgen Macarena, Sevilla, Spain.,Departamento de Medicina, Facultad de Medicina, Universidad de Sevilla, Sevilla, Spain
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13
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Morin F, Singh N, Mdzomba JB, Dumas A, Pernet V, Vallières L. Conditional Deletions of Hdc Confirm Roles of Histamine in Anaphylaxis and Circadian Activity but Not in Autoimmune Encephalomyelitis. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2021; 206:2029-2037. [PMID: 33846226 DOI: 10.4049/jimmunol.2000719] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 03/01/2021] [Indexed: 12/12/2022]
Abstract
Histamine is best known for its role in allergies, but it could also be involved in autoimmune diseases such as multiple sclerosis. However, studies using experimental autoimmune encephalomyelitis (EAE), the most widely used animal model for multiple sclerosis, have reported conflicting observations and suggest the implication of a nonclassical source of histamine. In this study, we demonstrate that neutrophils are the main producers of histamine in the spinal cord of EAE mice. To assess the role of histamine by taking into account its different cellular sources, we used CRISPR-Cas9 to generate conditional knockout mice for the histamine-synthesizing enzyme histidine decarboxylase. We found that ubiquitous and cell-specific deletions do not affect the course of EAE. However, neutrophil-specific deletion attenuates hypothermia caused by IgE-mediated anaphylaxis, whereas neuron-specific deletion reduces circadian activity. In summary, this study refutes the role of histamine in EAE, unveils a role for neutrophil-derived histamine in IgE-mediated anaphylaxis, and establishes a new mouse model to re-explore the inflammatory and neurologic roles of histamine.
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MESH Headings
- Anaphylaxis/genetics
- Anaphylaxis/immunology
- Anaphylaxis/metabolism
- Animals
- Cells, Cultured
- Circadian Rhythm/immunology
- Disease Models, Animal
- Encephalomyelitis, Autoimmune, Experimental/genetics
- Encephalomyelitis, Autoimmune, Experimental/immunology
- Encephalomyelitis, Autoimmune, Experimental/metabolism
- Histamine/immunology
- Histamine/metabolism
- Histidine Decarboxylase/genetics
- Histidine Decarboxylase/immunology
- Histidine Decarboxylase/metabolism
- Humans
- Kaplan-Meier Estimate
- Male
- Mice, Inbred C57BL
- Mice, Knockout
- Mice, Transgenic
- Multiple Sclerosis/genetics
- Multiple Sclerosis/immunology
- Multiple Sclerosis/metabolism
- Neutrophils/cytology
- Neutrophils/immunology
- Neutrophils/metabolism
- Spinal Cord/immunology
- Spinal Cord/metabolism
- Mice
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Affiliation(s)
- Françoise Morin
- Neuroscience Unit, University Hospital Center of Quebec, Laval University, Quebec City, Quebec, Canada
| | - Noopur Singh
- Neuroscience Unit, University Hospital Center of Quebec, Laval University, Quebec City, Quebec, Canada
| | - Julius Baya Mdzomba
- Regenerative Medicine Unit, University Hospital Center of Quebec, Laval University, Quebec City, Quebec, Canada
| | - Aline Dumas
- Neuroscience Unit, University Hospital Center of Quebec, Laval University, Quebec City, Quebec, Canada
| | - Vincent Pernet
- Regenerative Medicine Unit, University Hospital Center of Quebec, Laval University, Quebec City, Quebec, Canada
- Department of Neurology, Inselspital Bern, University Hospital, University of Bern, Bern, Switzerland
| | - Luc Vallières
- Neuroscience Unit, University Hospital Center of Quebec, Laval University, Quebec City, Quebec, Canada;
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14
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Boeri L, Perottoni S, Izzo L, Giordano C, Albani D. Microbiota-Host Immunity Communication in Neurodegenerative Disorders: Bioengineering Challenges for In Vitro Modeling. Adv Healthc Mater 2021; 10:e2002043. [PMID: 33661580 DOI: 10.1002/adhm.202002043] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 02/01/2021] [Indexed: 12/12/2022]
Abstract
Human microbiota communicates with its host by secreting signaling metabolites, enzymes, or structural components. Its homeostasis strongly influences the modulation of human tissue barriers and immune system. Dysbiosis-induced peripheral immunity response can propagate bacterial and pro-inflammatory signals to the whole body, including the brain. This immune-mediated communication may contribute to several neurodegenerative disorders, as Alzheimer's disease. In fact, neurodegeneration is associated with dysbiosis and neuroinflammation. The interplay between the microbial communities and the brain is complex and bidirectional, and a great deal of interest is emerging to define the exact mechanisms. This review focuses on microbiota-immunity-central nervous system (CNS) communication and shows how gut and oral microbiota populations trigger immune cells, propagating inflammation from the periphery to the cerebral parenchyma, thus contributing to the onset and progression of neurodegeneration. Moreover, an overview of the technological challenges with in vitro modeling of the microbiota-immunity-CNS axis, offering interesting technological hints about the most advanced solutions and current technologies is provided.
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Affiliation(s)
- Lucia Boeri
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta” Politecnico di Milano Piazza Leonardo da Vinci 32 Milan 20133 Italy
| | - Simone Perottoni
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta” Politecnico di Milano Piazza Leonardo da Vinci 32 Milan 20133 Italy
| | - Luca Izzo
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta” Politecnico di Milano Piazza Leonardo da Vinci 32 Milan 20133 Italy
| | - Carmen Giordano
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta” Politecnico di Milano Piazza Leonardo da Vinci 32 Milan 20133 Italy
| | - Diego Albani
- Department of Neuroscience Istituto di Ricerche Farmacologiche Mario Negri IRCCS via Mario Negri 2 Milan 20156 Italy
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15
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The Utility of Measuring Urinary Metabolites of Mast Cell Mediators in Systemic Mastocytosis and Mast Cell Activation Syndrome. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2020; 8:2533-2541. [DOI: 10.1016/j.jaip.2020.02.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 02/18/2020] [Accepted: 02/19/2020] [Indexed: 01/04/2023]
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16
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Zhu X, Ding S, Li H, Zhang Z, Xu L, Wu J, Wang X, Zou Y, Yang X, Ge J. Disruption of histamine/H 1R signaling pathway represses cardiac differentiation and maturation of human induced pluripotent stem cells. Stem Cell Res Ther 2020; 11:27. [PMID: 32127042 PMCID: PMC7055148 DOI: 10.1186/s13287-020-1551-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 12/11/2019] [Accepted: 01/05/2020] [Indexed: 01/09/2023] Open
Abstract
Background The efficiency and quality of human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) are crucial for regenerative medicine, disease modeling, drug screening, and the study of the development events during cardiac specification. However, their applications have been hampered by the differentiation efficiency, poor maturation, and high interline variability. Recent studies have reported that histamine plays important roles in hematopoietic stem cell proliferation and neutrophil maturation. However, its roles in cardiovascular tissue regeneration have not been thoroughly investigated. In the current study, we identified a novel physiological function of the histamine/histamine 1 receptor (H1R) signal in regulating the differentiation of hiPSC-CMs and heart development. Methods Transgenic zebrafish model (cmlc2: mCherry) was treated with histamine and histamine receptor (HR) antagonists. Histological morphology and ultrastructure of zebrafish heart were measured. Histamine-deficient pregnant mice (HDC−/−) were treated with H1R antagonist (pyrilamine) by intragastric administration from E8.5 to E18.5. Cardiac histological morphology and ultrastructure were analyzed in neonatal mice, and cardiac function in adult mice was measured. In vitro, histamine and HR antagonists were administrated in the culture medium during hiPSC-CM differentiation at different stages. The efficiency and maturation of cardiac differentiation were evaluated. Finally, histamine-treated hiPSC-CMs were transplanted into ischemic myocardium to detect the possible therapeutic effect. Results Administration of H1R antagonist during heart development induced cardiac dysplasia in zebrafish. Furthermore, using histidine decarboxylase (HDC) knockout mice, we examined abnormal swelling of myocardial mitochondria and autophagy formation under the condition of endogenous histamine deficiency. Histamine significantly promoted myocardial differentiation from human induced pluripotent stem cells (hiPSCs) with better structure and function via a H1R-dependent signal. The activation of histamine/H1R signaling pathway augmented hiPSC-derived cardiomyocyte (hiPSC-CM) differentiation through the ERK1/2-STAT3 signaling pathway. In addition, histamine-pre-treated hiPSC-CMs were transplanted into the ischemic hearts of myocardial injured mice and exhibited better survival and myocardial protection. Conclusions Thus, these findings indicated that histamine/H1R and its downstream signals were not only involved in cardiac differentiation but also provided a better survival environment for stem cell transplanted into ischemic myocardium.
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Affiliation(s)
- Xiaowei Zhu
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China.,Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Suling Ding
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China
| | - Hui Li
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China.,Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Zhiwei Zhang
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China.,Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China
| | - Lili Xu
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China.,Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Jian Wu
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China
| | - Xiangfei Wang
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China.,Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Yunzeng Zou
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China.,Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xiangdong Yang
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China.
| | - Junbo Ge
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China. .,Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
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17
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Li H, Tang C, Zhu X, Zhang W, Abudupataer M, Ding S, Duan C, Yang X, Ge J. Histamine deficiency facilitates coronary microthrombosis after myocardial infarction by increasing neutrophil-platelet interactions. J Cell Mol Med 2020; 24:3504-3520. [PMID: 32064748 PMCID: PMC7131923 DOI: 10.1111/jcmm.15037] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 12/23/2019] [Accepted: 01/15/2020] [Indexed: 12/15/2022] Open
Abstract
Neutrophil‐platelet interactions are responsible for thrombosis as well as inflammatory responses following acute myocardial infarction (AMI). While histamine has been shown to play a crucial role in many physiological and pathological processes, its effects on neutrophil‐platelet interactions in thromboinflammatory complications of AMI remain elusive. In this study, we show a previously unknown mechanism by which neutrophil‐derived histamine protects the infarcted heart from excessive neutrophil‐platelet interactions and redundant arterial thrombosis. Using histamine‐deficient (histidine decarboxylase knockout, HDC−/−) and wild‐type murine AMI models, we demonstrate that histamine deficiency increases the number of microthrombosis after AMI, in accordance with depressed cardiac function. Histamine‐producing myeloid cells, mainly Ly6G+ neutrophils, directly participate in arteriole thrombosis. Histamine deficiency elevates platelet activation and aggregation by enhancing Akt phosphorylation and leads to dysfunctional characteristics in neutrophils which was confirmed by high levels of reactive oxygen species production and CD11b expression. Furthermore, HDC−/− platelets were shown to elicit neutrophil extracellular nucleosomes release, provoke neutrophil‐platelet interactions and promote HDC‐expressing neutrophils recruitment in arteriole thrombosis in vivo. In conclusion, we provide evidence that histamine deficiency promotes coronary microthrombosis and deteriorates cardiac function post‐AMI, which is associated with the enhanced platelets/neutrophils function and neutrophil‐platelet interactions.
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Affiliation(s)
- Hui Li
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Chao Tang
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health, Shanghai JiaoTong University School of medicine (SJTU-SM), Shanghai, China.,Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Collaborative Innovation Center for Translational Medicine, Shanghai JiaoTong University School of medicine (SJTU-SM), Shanghai, China.,Department of Pharmacology and Chemical Biology, Shanghai JiaoTong University School of medicine (SJTU-SM), Shanghai, China
| | - Xiaowei Zhu
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Weiwei Zhang
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Mieradilijiang Abudupataer
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Suling Ding
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Caiwen Duan
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health, Shanghai JiaoTong University School of medicine (SJTU-SM), Shanghai, China.,Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Collaborative Innovation Center for Translational Medicine, Shanghai JiaoTong University School of medicine (SJTU-SM), Shanghai, China.,Department of Pharmacology and Chemical Biology, Shanghai JiaoTong University School of medicine (SJTU-SM), Shanghai, China
| | - Xiangdong Yang
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China.,Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Junbo Ge
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, China.,Institutes of Biomedical Sciences, Fudan University, Shanghai, China
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18
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Abstract
Staining cells or tissues with basic dyes was the mainstay of mast cell and basophil detection methods for more than a century following the first identification of these cell types using such methods. These techniques have now been largely supplanted by immunohistochemical procedures with monoclonal antibodies directed against unique constituents of these cell types. Immunohistochemistry with antibodies specific for the granule protease tryptase provides a more sensitive and discriminating means for detecting mast cells than using the classical histochemical procedures, and using antibodies specific for products of basophils (2D7 antigen and basogranulin) has allowed detection of basophils that infiltrate into tissues. The application of immunohistochemistry to detect more than one marker in the same cell has underpinned concepts of mast cell heterogeneity based on differential expression of chymase and other proteases. The double labeling procedures employed have also provided a means for investigating the expression of cytokines and a range of other products. Protocols are here set out that have been used for immunohistochemical detection of mast cells and basophils and their subpopulations in human tissues. Consideration is given to pitfalls to avoid and to a range of alternative approaches.
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Affiliation(s)
- Andrew F Walls
- Southampton General Hospital, University of Southampton, Southampton, UK.
| | - Cornelia Amalinei
- "Grigore T. Popa" University of Medicine and Pharmacy, Iasi, Romania
- Institute of Legal Medicine, Iasi, Romania
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19
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Takai J, Ohtsu H, Sato A, Uemura S, Fujimura T, Yamamoto M, Moriguchi T. Lipopolysaccharide-induced expansion of histidine decarboxylase-expressing Ly6G + myeloid cells identified by exploiting histidine decarboxylase BAC-GFP transgenic mice. Sci Rep 2019; 9:15603. [PMID: 31666556 PMCID: PMC6821885 DOI: 10.1038/s41598-019-51716-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 10/02/2019] [Indexed: 12/13/2022] Open
Abstract
Histamine is a biogenic amine that is chiefly produced in mast cells and basophils and elicits an allergic response upon stimulation. Histidine decarboxylase (HDC) is a unique enzyme that catalyzes the synthesis of histamine. Therefore, the spatiotemporally specific Hdc gene expression profile could represent the localization of histamine-producing cells under various pathophysiological conditions. Although the bioactivity of histamine is well defined, the regulatory mechanism of Hdc gene expression and the distribution of histamine-producing cell populations in various disease contexts remains unexplored. To address these issues, we generated a histidine decarboxylase BAC (bacterial artificial chromosome) DNA-directed GFP reporter transgenic mouse employing a 293-kb BAC clone containing the entire Hdc gene locus and extended flanking sequences (Hdc-GFP). We found that the GFP expression pattern in the Hdc-GFP mice faithfully recapitulated that of conventional histamine-producing cells and that the GFP expression level mirrored the increased Hdc expression in lipopolysaccharide (LPS)-induced septic lungs. Notably, a CD11b+Ly6G+Ly6Clow myeloid cell population accumulated in the lung during sepsis, and most of these cells expressed high levels of GFP and indeed contain histamine. This study reveals the accumulation of a histamine-producing myeloid cell population during sepsis, which likely participates in the immune process of sepsis.
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Affiliation(s)
- Jun Takai
- Division of Medical Biochemistry, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Hiroshi Ohtsu
- Department of Quantum Science and Energy Engineering, Tohoku University Graduate School of Engineering, Sendai, Japan
| | - Atsushi Sato
- Department of Quantum Science and Energy Engineering, Tohoku University Graduate School of Engineering, Sendai, Japan
| | - Satoshi Uemura
- Division of Medical Biochemistry, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Tsutomu Fujimura
- Laboratory of Bioanalytical Chemistry, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Masayuki Yamamoto
- Department of Medical Biochemistry, Tohoku University Graduate School of Medicine, Sendai, Japan.,Tohoku Medical Mega-Bank Organization, Tohoku University, Sendai, Japan
| | - Takashi Moriguchi
- Division of Medical Biochemistry, Tohoku Medical and Pharmaceutical University, Sendai, Japan.
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20
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Weiler CR, Austen KF, Akin C, Barkoff MS, Bernstein JA, Bonadonna P, Butterfield JH, Carter M, Fox CC, Maitland A, Pongdee T, Mustafa SS, Ravi A, Tobin MC, Vliagoftis H, Schwartz LB. AAAAI Mast Cell Disorders Committee Work Group Report: Mast cell activation syndrome (MCAS) diagnosis and management. J Allergy Clin Immunol 2019; 144:883-896. [DOI: 10.1016/j.jaci.2019.08.023] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 08/20/2019] [Accepted: 08/27/2019] [Indexed: 12/18/2022]
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21
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Hirasawa N. Expression of Histidine Decarboxylase and Its Roles in Inflammation. Int J Mol Sci 2019; 20:ijms20020376. [PMID: 30654600 PMCID: PMC6359378 DOI: 10.3390/ijms20020376] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 01/04/2019] [Accepted: 01/10/2019] [Indexed: 12/26/2022] Open
Abstract
Histamine is a well-known mediator of inflammation that is released from mast cells and basophils. To date, many studies using histamine receptor antagonists have shown that histamine acts through four types of receptors: H1, H2, H3, and H4. Thus, histamine plays more roles in various diseases than had been predicted. However, our knowledge about histamine-producing cells and the molecular mechanisms underlying histamine production at inflammatory sites is still incomplete. The histamine producing enzyme, histidine decarboxylase (HDC), is commonly induced at inflammatory sites during the late and chronic phases of both allergic and non-allergic inflammation. Thus, histamine levels in tissues are maintained at effective concentrations for hours, enabling the regulation of various functions through the production of cytokines/chemokines/growth factors. Understanding the regulation of histamine production will allow the development of a new strategy of using histamine antagonists to treat inflammatory diseases.
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Affiliation(s)
- Noriyasu Hirasawa
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba Aramaki, Aoba-ku, Sendai 980-8578, Japan.
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22
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Patel KK, Webley WC. Respiratory Chlamydia Infection Induce Release of Hepoxilin A 3 and Histamine Production by Airway Neutrophils. Front Immunol 2018; 9:2357. [PMID: 30374355 PMCID: PMC6196283 DOI: 10.3389/fimmu.2018.02357] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 09/24/2018] [Indexed: 11/13/2022] Open
Abstract
Background: Hepoxilins are biologically active metabolites of arachidonic acid that are formed through the 12-lipoxygenase pathway. Hepoxilin A3 is now known to be an important regulator of mucosal inflammation in response to infection by bacterial pathogens and was recently identified as a potent neutrophil chemoattractant in the intestinal mucosa. Our goal in this study was to determine if airway infection with Chlamydia in a murine model of allergic airway disease (AAD) induces hepoxilin secretion along with airway neutrophilia. Methods: We utilized an AAD adult Balb/c mouse model to evaluate airway pathology and immune response by assaying bronchoalveolar lavage (BAL) fluid cytokine, cellularity, histidine decarboxylase (HDC) as well as histamine released in response to in-vivo chlamydial antigen stimulation of purified airway neutrophils. Hepoxilin A3 production was determined by Western blot identification of 12-lipoxygenase precursor (12-LO). Results: Chlamydial infection induced increased production of IL-2, IL-12, TNF-α, and IFN-γ in BAL fluid compared to uninfected animals. Chlamydia-infected mice responded with robust airway neutrophil infiltration and upon induction of AAD increased their production of IL-4, IL-5, and IL-13 by >3 fold compared to unsensitized groups. In addition, 12-LO mRNA was upregulated in infected, but not in uninfected AAD mice, suggesting the production of hepoxilin A3. mRNA expression of HDC was induced only in neutrophils from the airways of Chlamydia-infected mice, but was not seen in AAD only or uninfected controls. When purified neutrophils from infected animals were challenged with chlamydial antigen in vitro there was significant histamine release. Conclusions: Our data confirms the production and release of hepoxilin A3 in the murine airways concomitant with airway neutrophilia in response to chlamydial infection. We further confirmed that Chlamydia provokes the production and release of histamine by these neutrophils. These findings suggest that neutrophils, provoked by Chlamydia infection can synthesize and release histamine, thereby contributing directly to airway inflammation.
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Affiliation(s)
- Katir K Patel
- Department of Microbiology, University of Massachusetts Amherst, Amherst, MA, United States
| | - Wilmore C Webley
- Department of Microbiology, University of Massachusetts Amherst, Amherst, MA, United States
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23
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The Microbial Endocrinology of Pseudomonas aeruginosa: Inflammatory and Immune Perspectives. Arch Immunol Ther Exp (Warsz) 2018. [PMID: 29541797 DOI: 10.1007/s00005-018-0510-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Pseudomonas aeruginosa is a major pathogen responsible for both acute and chronic infection. Known as a colonising pathogen of the cystic fibrosis (CF) lung, it is implicated in other settings such as bronchiectasis. It has the ability to cause acute disseminated or localised infection particularly in the immunocompromised. Human hormones have been highlighted as potential regulators of bacterial virulence through crosstalk between analogous "quorum sensing" (QS) systems present in the bacteria that respond to mammalian hormones. Pseudomonas aeruginosa is known to utilise interconnected QS systems to coordinate its virulence and evade various aspects of the host immune system activated in response to infection. Several human hormones demonstrate an influence on P. aeruginosa growth and virulence. This inter-kingdom signalling, termed "microbial endocrinology" has important implications for host-microbe interaction during infection and, potentially opens up novel avenues for therapeutic intervention. This phenomenon, supported by the existence of sexual dichotomies in both microbial infection and chronic lung diseases such as CF is potentially explained by sex hormones and their influence on the infective process. This review summarises our current understanding of the microbial endocrinology of P. aeruginosa, including its endogenous QS systems and their intersection with human endocrinology, pathogenesis of infection and the host immune system.
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24
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Ribas D, Fernández-Carranco MC, Hajji N, Bobadilla P, Monteseirín J. Eosinophil cationic protein and histamine production by neutrophils from patients with periodontitis. J Periodontol 2018. [PMID: 29520824 DOI: 10.1902/jop.2017.160679] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
BACKGROUND Periodontitis develops through an inflammatory process caused by an infection at the microbial biofilm, followed by tissue destruction mediated by leukocytes, which cause clinically significant destruction of connective tissue and bone. Several elements derived from the bacteria cause the inflammatory response and the release of mediators involved in destruction of the periodontium. There are number of inflammatory mediators released by leukocytes, mainly neutrophils, upon bacterial challenge. Neutrophils produce and release eosinophil cationic protein (ECP) and histamine, two important inflammatory mediators; however, their role has not been characterized in periodontal inflammation. Thus, the purpose of this study is to investigate whether neutrophils from patients with periodontitis can produce ECP and histamine in response to lipopolysaccharides (LPSs). METHODS ECP and histamine production in response to LPSs was analyzed by enzyme-linked immunosorbent assay. Expression of the histidine decarboxylase and ECP was also analyzed by flow cytometry and fluorescence microscopy in neutrophils from patients with periodontitis in response to LPS. RESULTS It was found that neutrophils from patients with periodontitis express higher levels of histidine decarboxylase and ECP than those from healthy volunteers, and they also release higher levels of histamine. CONCLUSION Findings described could represent new knowledge indicating neutrophils as a source of histamine and ECP in the progression of periodontitis.
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Affiliation(s)
| | | | - Nabil Hajji
- Regional Service of Immunology and Allergy, Hospital Virgen Macarena, Seville, Spain
| | - Pedro Bobadilla
- Regional Service of Immunology and Allergy, Hospital Virgen Macarena, Seville, Spain
| | - Javier Monteseirín
- University of Seville, Seville, Spain.,Regional Service of Immunology and Allergy, Hospital Virgen Macarena, Seville, Spain
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25
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Chen X, Deng H, Churchill MJ, Luchsinger LL, Du X, Chu TH, Friedman RA, Middelhoff M, Ding H, Tailor YH, Wang ALE, Liu H, Niu Z, Wang H, Jiang Z, Renders S, Ho SH, Shah SV, Tishchenko P, Chang W, Swayne TC, Munteanu L, Califano A, Takahashi R, Nagar KK, Renz BW, Worthley DL, Westphalen CB, Hayakawa Y, Asfaha S, Borot F, Lin CS, Snoeck HW, Mukherjee S, Wang TC. Bone Marrow Myeloid Cells Regulate Myeloid-Biased Hematopoietic Stem Cells via a Histamine-Dependent Feedback Loop. Cell Stem Cell 2017; 21:747-760.e7. [PMID: 29198940 PMCID: PMC5975960 DOI: 10.1016/j.stem.2017.11.003] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 08/04/2017] [Accepted: 11/01/2017] [Indexed: 01/21/2023]
Abstract
Myeloid-biased hematopoietic stem cells (MB-HSCs) play critical roles in recovery from injury, but little is known about how they are regulated within the bone marrow niche. Here we describe an auto-/paracrine physiologic circuit that controls quiescence of MB-HSCs and hematopoietic progenitors marked by histidine decarboxylase (Hdc). Committed Hdc+ myeloid cells lie in close anatomical proximity to MB-HSCs and produce histamine, which activates the H2 receptor on MB-HSCs to promote their quiescence and self-renewal. Depleting histamine-producing cells enforces cell cycle entry, induces loss of serial transplant capacity, and sensitizes animals to chemotherapeutic injury. Increasing demand for myeloid cells via lipopolysaccharide (LPS) treatment specifically recruits MB-HSCs and progenitors into the cell cycle; cycling MB-HSCs fail to revert into quiescence in the absence of histamine feedback, leading to their depletion, while an H2 agonist protects MB-HSCs from depletion after sepsis. Thus, histamine couples lineage-specific physiological demands to intrinsically primed MB-HSCs to enforce homeostasis.
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Affiliation(s)
- Xiaowei Chen
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Division of Hematology/Oncology, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA
| | - Huan Deng
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Division of Hematology/Oncology, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA,Department of Pathology, and Molecular Medicine and Genetics Center, The Fourth Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 330003, China
| | - Michael J. Churchill
- Division of Hematology/Oncology, Department of Medicine, Columbia University Medical Center, New York, 10032, USA
| | - Larry L. Luchsinger
- Columbia Center for Translational Immunology, Columbia University Medical Center, New York, 10032, USA,Center for Human Development, Columbia University Medical Center, New York, New York 10032, USA
| | - Xing Du
- Division of Hematology/Oncology, Department of Medicine, Columbia University Medical Center, New York, 10032, USA
| | - Timothy H. Chu
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA
| | - Richard A. Friedman
- Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA,Biomedical Informatics Shared Resource, Herbert Irving Comprehensive Cancer Center, and Department of Biomedical Informatics, Columbia University Medical Center, New York, 10032, USA
| | - Moritz Middelhoff
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA
| | - Hongxu Ding
- Biomedical Informatics Shared Resource, Herbert Irving Comprehensive Cancer Center, and Department of Biomedical Informatics, Columbia University Medical Center, New York, 10032, USA,Department of Systems Biology, Columbia University, New York, 10032, USA
| | - Yagnesh H. Tailor
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA
| | - Alexander L. E. Wang
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA
| | - Haibo Liu
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA
| | - Zhengchuan Niu
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA,Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Hongshan Wang
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA,Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Zhenyu Jiang
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA
| | - Simon Renders
- Division of Hematology/Oncology, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ), DKFZ-ZMBH Alliance and Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH) 69120 Heidelberg, Germany
| | - Siu-Hong Ho
- Columbia Center for Translational Immunology, Columbia University Medical Center, New York, 10032, USA
| | - Spandan V. Shah
- Columbia Center for Translational Immunology, Columbia University Medical Center, New York, 10032, USA
| | - Pavel Tishchenko
- Columbia Center for Translational Immunology, Columbia University Medical Center, New York, 10032, USA
| | - Wenju Chang
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA,Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Theresa C. Swayne
- Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA
| | - Laura Munteanu
- Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA
| | - Andrea Califano
- Biomedical Informatics Shared Resource, Herbert Irving Comprehensive Cancer Center, and Department of Biomedical Informatics, Columbia University Medical Center, New York, 10032, USA,Department of Systems Biology, Columbia University, New York, 10032, USA
| | - Ryota Takahashi
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA
| | - Karan K. Nagar
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA
| | - Bernhard W. Renz
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA,Department of General, Visceral and Transplantation Surgery, Hospital of the University of Munich, D-81377, Munich, Germany
| | - Daniel L. Worthley
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA,School of Medicine, University of Adelaide, SA 5005, Australia,Cancer Theme, SAHMRI, Adelaide, SA 5005, Australia
| | - C. Benedikt Westphalen
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA,Department of Medicine III, University Hospital, LMU Munich, D-81377, Munich, Germany
| | - Yoku Hayakawa
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA,Department of Gastroenterology, Graduate School of Medicine, the University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Samuel Asfaha
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA,Department of Medicine, University of Western Ontario, London, ON N6A 5W9, Canada
| | - Florence Borot
- Division of Hematology/Oncology, Department of Medicine, Columbia University Medical Center, New York, 10032, USA
| | - Chyuan-Sheng Lin
- Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA,Department of Pathology and Cell Biology, Columbia University Medical Center, New York, 10032, USA
| | - Hans-Willem Snoeck
- Columbia Center for Translational Immunology, Columbia University Medical Center, New York, 10032, USA,Center for Human Development, Columbia University Medical Center, New York, New York 10032, USA,Department of Medicine, Columbia University Medical Center, New York, New York 10032, USA,Department of Microbiology and Immunology, Columbia University Medical Center, New York, New York 10032, USA
| | - Siddhartha Mukherjee
- Division of Hematology/Oncology, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Correspondence: (S.M.), (T.C.W.)
| | - Timothy C. Wang
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University Medical Center, New York, 10032, USA,Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, 10032, USA,Correspondence: (S.M.), (T.C.W.)
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Reber LL, Hernandez JD, Galli SJ. The pathophysiology of anaphylaxis. J Allergy Clin Immunol 2017; 140:335-348. [PMID: 28780941 PMCID: PMC5657389 DOI: 10.1016/j.jaci.2017.06.003] [Citation(s) in RCA: 260] [Impact Index Per Article: 37.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 06/12/2017] [Accepted: 06/14/2017] [Indexed: 01/14/2023]
Abstract
Anaphylaxis is a severe systemic hypersensitivity reaction that is rapid in onset; characterized by life-threatening airway, breathing, and/or circulatory problems; and usually associated with skin and mucosal changes. Because it can be triggered in some persons by minute amounts of antigen (eg, certain foods or single insect stings), anaphylaxis can be considered the most aberrant example of an imbalance between the cost and benefit of an immune response. This review will describe current understanding of the immunopathogenesis and pathophysiology of anaphylaxis, focusing on the roles of IgE and IgG antibodies, immune effector cells, and mediators thought to contribute to examples of the disorder. Evidence from studies of anaphylaxis in human subjects will be discussed, as well as insights gained from analyses of animal models, including mice genetically deficient in the antibodies, antibody receptors, effector cells, or mediators implicated in anaphylaxis and mice that have been "humanized" for some of these elements. We also review possible host factors that might influence the occurrence or severity of anaphylaxis. Finally, we will speculate about anaphylaxis from an evolutionary perspective and argue that, in the context of severe envenomation by arthropods or reptiles, anaphylaxis might even provide a survival advantage.
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Affiliation(s)
- Laurent L Reber
- Department of Immunology, Unit of Antibodies in Therapy and Pathology, Institut Pasteur, Paris, France; Institut National de la Santé et de la Recherche Médicale, Paris, France; Department of Pathology, Stanford University School of Medicine, Stanford, Calif; Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, Stanford, Calif
| | - Joseph D Hernandez
- Department of Pediatrics, Division of Allergy, Immunology and Rheumatology, Stanford University School of Medicine, Stanford, Calif
| | - Stephen J Galli
- Department of Pathology, Stanford University School of Medicine, Stanford, Calif; Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, Stanford, Calif; Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, Calif.
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27
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Fernandes HS, Ramos MJ, Cerqueira NMFSA. The Catalytic Mechanism of the Pyridoxal-5′-phosphate-Dependent Enzyme, Histidine Decarboxylase: A Computational Study. Chemistry 2017; 23:9162-9173. [DOI: 10.1002/chem.201701375] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Indexed: 01/01/2023]
Affiliation(s)
- Henrique Silva Fernandes
- UCIBIO-REQUIMTE; Departamento de Química e Bioquímica; Faculdade de Ciências s/n; Universidade do Porto; 4169-007 Porto Portugal
| | - Maria João Ramos
- UCIBIO-REQUIMTE; Departamento de Química e Bioquímica; Faculdade de Ciências s/n; Universidade do Porto; 4169-007 Porto Portugal
| | - Nuno M. F. S. A. Cerqueira
- UCIBIO-REQUIMTE; Departamento de Química e Bioquímica; Faculdade de Ciências s/n; Universidade do Porto; 4169-007 Porto Portugal
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28
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Barata-Antunes S, Cristóvão AC, Pires J, Rocha SM, Bernardino L. Dual role of histamine on microglia-induced neurodegeneration. Biochim Biophys Acta Mol Basis Dis 2017; 1863:764-769. [PMID: 28057587 DOI: 10.1016/j.bbadis.2016.12.016] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Revised: 12/16/2016] [Accepted: 12/29/2016] [Indexed: 12/17/2022]
Abstract
Several hypotheses have been raised about the dual role of histamine in neurological disorders, and evidences have shown its crucial involvement in the modulation of microglia-mediated neuroinflammation. Previously, we reported that the administration of histamine induces a deleterious effect by promoting a pro-inflammatory phenotype on microglia that in turn compromises dopaminergic neuronal survival. Contrary, under lipopolysaccharide challenge, histamine inhibits the injurious effect of microglia-mediated inflammation, protecting dopaminergic neurons, suggesting that the modulation of microglial activity is dependent on the environmental context. Thus, histamine and/or histamine receptor agonists may serve to develop new therapeutic approaches to overcome neurodegenerative disorders.
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Affiliation(s)
- S Barata-Antunes
- Health Sciences Research Centre, Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal
| | - A C Cristóvão
- Health Sciences Research Centre, Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal
| | - J Pires
- Health Sciences Research Centre, Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal
| | - S M Rocha
- Health Sciences Research Centre, Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal
| | - L Bernardino
- Health Sciences Research Centre, Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal.
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29
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Wang M, Han J, Domenico J, Shin YS, Jia Y, Gelfand EW. Combined blockade of the histamine H1 and H4 receptor suppresses peanut-induced intestinal anaphylaxis by regulating dendritic cell function. Allergy 2016; 71:1561-1574. [PMID: 27059534 DOI: 10.1111/all.12904] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/03/2016] [Indexed: 01/09/2023]
Abstract
BACKGROUND Signaling through histamine receptors on dendritic cells (DCs) may be involved in the effector phase of peanut-induced intestinal anaphylaxis. OBJECTIVES The objective of this study was to determine the role of histamine H1 (H1R) and H4 receptors (H4R) in intestinal allergic responses in a model of peanut allergy. METHODS Balb/c mice were sensitized and challenged with peanut. During the challenge phase, mice were treated orally with the H1R antagonist, loratadine, and/or the H4R antagonist, JNJ7777120. Bone marrow-derived DCs (BMDCs) were adoptively transferred to nonsensitized WT mice. Symptoms, intestinal inflammation, and mesenteric lymph node and intestine mucosal DCs were assessed. Effects of the drugs on DC chemotaxis, calcium mobilization, and antigen-presenting cell function were measured. RESULTS Treatment with loratadine or JNJ7777120 individually partially suppressed the development of diarrhea and intestinal inflammation and decreased the numbers of DCs in the mesenteric lymph nodes and lamina propria. Combined treatment with both drugs prevented the development of diarrhea and intestinal inflammation. In vitro, the combination suppressed DC antigen-presenting cell function to T helper cells and DC calcium mobilization and chemotaxis to histamine. CONCLUSION Blockade of both H1R and H4R in the challenge phase had additive effects in preventing the intestinal consequences of peanut sensitization and challenge. These effects were mediated through the limitation of mesenteric lymph node and intestinal DC accumulation and function. Identification of this histamine H1R/H4R-DC-CD4+ T-cell axis provides new insights into the development of peanut-induced intestinal allergic responses and for prevention and treatment of peanut allergy.
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Affiliation(s)
- M. Wang
- Division of Cell Biology; Department of Pediatrics; National Jewish Health; Denver CO USA
| | - J. Han
- Division of Cell Biology; Department of Pediatrics; National Jewish Health; Denver CO USA
| | - J. Domenico
- Division of Cell Biology; Department of Pediatrics; National Jewish Health; Denver CO USA
| | - Y. S. Shin
- Division of Cell Biology; Department of Pediatrics; National Jewish Health; Denver CO USA
| | - Y. Jia
- Division of Cell Biology; Department of Pediatrics; National Jewish Health; Denver CO USA
| | - E. W. Gelfand
- Division of Cell Biology; Department of Pediatrics; National Jewish Health; Denver CO USA
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30
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Galindo-Villegas J, Garcia-Garcia E, Mulero V. Role of histamine in the regulation of intestinal immunity in fish. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2016; 64:178-186. [PMID: 26872545 DOI: 10.1016/j.dci.2016.02.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 02/02/2016] [Accepted: 02/08/2016] [Indexed: 06/05/2023]
Abstract
In mammals, during the acute inflammatory response, the complex interrelationship and cross-talk among histamine and the immune system has been fairly well characterized. There is a substantial body of information on its structure, metabolism, receptors, signal transduction, physiologic and pathologic effects. However, for early vertebrates, there is little such knowledge. In the case of teleost fish, this lack of knowledge has been due to the widely held belief that histamine is not present in this phylogenetic group. However, it has been recently demonstrated, that granules of mast cells in perciforms contain biologically active histamine. More importantly, the inflammatory response was clearly demonstrated to be regulated by the direct action of histamine on professional phagocytes. Nevertheless, the molecular basis and exact role of this biogenic amine in perciforms is still a matter of speculation. Therefore, this review intends to summarize recent experimental evidence regarding fish mast cells and correlate the same with their mammalian counterparts to establish the possible role of histamine in the fish intestinal inflammatory response.
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Affiliation(s)
- Jorge Galindo-Villegas
- Department of Cell Biology and Histology, Faculty of Biology, University of Murcia, IMIB-Arrixaca, Campus Universitario de Espinardo, Murcia 30100, Spain.
| | - Erick Garcia-Garcia
- Department of Cell Biology and Histology, Faculty of Biology, University of Murcia, IMIB-Arrixaca, Campus Universitario de Espinardo, Murcia 30100, Spain
| | - Victoriano Mulero
- Department of Cell Biology and Histology, Faculty of Biology, University of Murcia, IMIB-Arrixaca, Campus Universitario de Espinardo, Murcia 30100, Spain.
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31
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Sun WY, Dimasi DP, Pitman MR, Zhuang Y, Heddle R, Pitson SM, Grimbaldeston MA, Bonder CS. Topical Application of Fingolimod Perturbs Cutaneous Inflammation. THE JOURNAL OF IMMUNOLOGY 2016; 196:3854-64. [PMID: 27001955 DOI: 10.4049/jimmunol.1501510] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 02/23/2016] [Indexed: 01/13/2023]
Abstract
The prevalence of allergies, including rhinitis, eczema, and anaphylaxis, is rising dramatically worldwide. This increase is especially problematic in children who bear the greatest burden of this rising trend. Increasing evidence identifies neutrophils as primary perpetrators of the more severe and difficult to manage forms of inflammation. A newly recognized mechanism by which neutrophils are recruited during the early phase of histamine-induced inflammation involves the sphingosine kinase (SK)/sphingosine-1-phosphate axis. This study examines whether topical application of fingolimod, an established SK/sphingosine-1-phosphate antagonist already in clinical use to treat multiple sclerosis, may be repurposed to treat cutaneous inflammation. Using two mouse models of ear skin inflammation (histamine- and IgE-mediated passive cutaneous anaphylaxis) we topically applied fingolimod prophylactically, as well as after establishment of the inflammatory response, and examined ear swelling, SK activity, vascular permeability, leukocyte recruitment, and production of proinflammatory mediators. The present study reveals that when applied topically, fingolimod attenuates both immediate and late-phase responses to histamine with reduced extravasation of fluid, SK-1 activity, proinflammatory cytokine and chemokine production, and neutrophil influx and prevents ear swelling. Intravital microscopy demonstrates that histamine-induced neutrophil rolling and adhesion to the postcapillary venules in the mouse ears is significantly attenuated even after 24 h. More importantly, these effects are achievable even once inflammation is established. Translation into humans was also accomplished with epicutaneous application of fingolimod resolving histamine-induced and allergen-induced inflammatory reactions in forearm skin. Overall, this study demonstrates, to our knowledge for the first time, that fingolimod may be repurposed to treat cutaneous inflammation.
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Affiliation(s)
- Wai Y Sun
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia 5000, Australia; School of Medicine, University of Adelaide, Adelaide, South Australia 5000, Australia
| | - David P Dimasi
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia 5000, Australia
| | - Melissa R Pitman
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia 5000, Australia
| | - YiZhong Zhuang
- School of Medicine, University of Adelaide, Adelaide, South Australia 5000, Australia
| | - Robert Heddle
- School of Medicine, University of Adelaide, Adelaide, South Australia 5000, Australia; Clinical Immunology Unit, Royal Adelaide Hospital, Adelaide, South Australia 5000, Australia; and Discipline of Pediatrics and Child Health, Flinders University, Adelaide, South Australia 5042, Australia
| | - Stuart M Pitson
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia 5000, Australia; School of Medicine, University of Adelaide, Adelaide, South Australia 5000, Australia
| | - Michele A Grimbaldeston
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia 5000, Australia; School of Medicine, University of Adelaide, Adelaide, South Australia 5000, Australia
| | - Claudine S Bonder
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia 5000, Australia; School of Medicine, University of Adelaide, Adelaide, South Australia 5000, Australia;
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Fernández-Delgado L, Vega-Rioja A, Ventura I, Chamorro C, Aroca R, Prados M, Bobadilla P, Rodríguez D, Palacios R, Monteseirín J. Allergens Induce the Release of Lactoferrin by Neutrophils from Asthmatic Patients. PLoS One 2015; 10:e0141278. [PMID: 26488881 PMCID: PMC4619071 DOI: 10.1371/journal.pone.0141278] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 10/05/2015] [Indexed: 11/26/2022] Open
Abstract
Background Despite the evidence that Lactoferrin (Lf) is involved in allergic asthma processes, it is unknown whether neutrophils can be one of the main cellular sources of this key inflammatory mediator directly in response of an IgE mediated stimulus. The present study was undertaken to analyze this question. Methods Neutrophils from healthy subjects (n = 34) and neutrophils from allergic asthmatic patients (n = 102) were challenged in vitro with specific allergens to which the patients were sensitized, PAF, or agonist mAbs against IgE-receptors, and the levels of Lf were measured in the culture supernatant. The levels of serum IgE together with the severity of symptoms were also analyzed. Results Lf was released into the culture supernatant of neutrophils from allergic asthmatic patients in response to allergens and PAF. This response was highly allergen-specific, and did not happen in neutrophils from healthy donors. Allergen effect was mimicked by Abs against FcεRI and galectin-3 but not by FcεRII. The levels of released Lf correlated well with the levels of serum specific IgE and severity of asthma symptoms. These observations represent a novel view of neutrophils as an important source of Lf in allergic asthma. Importantly, the levels of released Lf by neutrophils could therefore be used to evaluate disease severity in allergic asthmatic patients.
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Affiliation(s)
- Lourdes Fernández-Delgado
- Unidad de Gestión Clínica de Alergia Intercentros, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | - Antonio Vega-Rioja
- Unidad de Gestión Clínica de Alergia Intercentros, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | - Inmaculada Ventura
- Unidad de Gestión Clínica de Alergia Intercentros, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | - Cristina Chamorro
- Unidad de Gestión Clínica de Alergia Intercentros, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | - Rocío Aroca
- Unidad de Gestión Clínica de Alergia Intercentros, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | - Manuel Prados
- Unidad de Gestión Clínica de Alergia Intercentros, Hospital Universitario Virgen Macarena, Sevilla, Spain
| | | | | | | | - Javier Monteseirín
- Unidad de Gestión Clínica de Alergia Intercentros, Hospital Universitario Virgen Macarena, Sevilla, Spain
- Departamento de Medicina. Facultad de Medicina. Universidad de Sevilla, Sevilla, Spain
- * E-mail:
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Weaver JL, Boyne M, Pang E, Chimalakonda K, Howard KE. Nonclinical evaluation of the potential for mast cell activation by an erythropoietin analog. Toxicol Appl Pharmacol 2015; 287:246-52. [PMID: 26079829 DOI: 10.1016/j.taap.2015.06.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Revised: 06/09/2015] [Accepted: 06/10/2015] [Indexed: 10/23/2022]
Abstract
The erythropoietin analog peginesatide was withdrawn from marketing due to unexpected severe anaphylactic reactions associated with administration of the multi-use formulation. The adverse events occurred rapidly following the first ever administration of the drug with most affected patients becoming symptomatic in less than 30min. This is most consistent with an anaphylactoid reaction due to direct activation of mast cells. Laboratory evaluation was undertaken using rat peritoneal mast cells as the model system. Initial studies showed that high concentrations of the formulated drug as well as formulated vehicle alone could cause mast cell degranulation as measured by histamine release. The purified active drug was not able to cause histamine release whereas the vehicle filtrate and lab created drug vehicle were equally potent at causing histamine release. Individual formulations of vehicle leaving one component out showed that histamine release was due to phenol. Dose response studies with phenol showed a very sharp dose response curve that was similar in three buffer systems. Cellular analysis by flow cytometry showed that the histamine release was not due to cell death, and that changes in light scatter parameters consistent with degranulation were rapidly observed. Limited testing with primary human mast cells showed a similar dose response of histamine release with exposure to phenol. To provide in vivo confirmation, rats were injected with vehicle formulated with various concentrations of phenol via a jugular vein cannula. Significant release of histamine was detected in blood samples taken 2min after dosing at the highest concentrations tested.
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Affiliation(s)
- James L Weaver
- Division of Applied Regulatory Science, OCP/OTS/CDER/FDA, Silver Spring, MD, USA.
| | - Michael Boyne
- Division of Pharmaceutical Analysis, OTR/OPQ/CDER/FDA, Silver Spring, MD, USA.
| | - Eric Pang
- Division of Applied Regulatory Science, OCP/OTS/CDER/FDA, Silver Spring, MD, USA.
| | - Krishna Chimalakonda
- Division of Applied Regulatory Science, OCP/OTS/CDER/FDA, Silver Spring, MD, USA.
| | - Kristina E Howard
- Division of Applied Regulatory Science, OCP/OTS/CDER/FDA, Silver Spring, MD, USA.
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Deiteren A, De Man JG, Pelckmans PA, De Winter BY. Histamine H₄ receptors in the gastrointestinal tract. Br J Pharmacol 2015; 172:1165-78. [PMID: 25363289 DOI: 10.1111/bph.12989] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Revised: 09/28/2014] [Accepted: 10/20/2014] [Indexed: 12/13/2022] Open
Abstract
Histamine is a well-established mediator involved in a variety of physiological and pathophysiological mechanisms and exerts its effect through activation of four histamine receptors (H1-H₄). The histamine H₄ receptor is the newest member of this histamine receptor family, and is expressed throughout the gastrointestinal tract as well as in the liver, pancreas and bile ducts. Functional studies using a combination of selective and non-selective H₄ receptor ligands have rapidly increased our knowledge of H₄ receptor involvement in gastrointestinal processes both under physiological conditions and in models of disease. Strong evidence points towards a role for H₄ receptors in the modulation of immune-mediated responses in gut inflammation such as in colitis, ischaemia/reperfusion injury, radiation-induced enteropathy and allergic gut reactions. In addition, data have emerged implicating H₄ receptors in gastrointestinal cancerogenesis, sensory signalling, and visceral pain as well as in gastric ulceration. These studies highlight the potential of H₄ receptor targeted therapy in the treatment of various gastrointestinal disorders such as inflammatory bowel disease, irritable bowel syndrome and cancer.
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Affiliation(s)
- A Deiteren
- Laboratory of Experimental Medicine and Pediatrics, Division of Gastroenterology, University of Antwerp, Antwerp, Belgium
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Ventura I, Vega A, Chamorro C, Aroca R, Gómez E, Pineda F, Palacios R, Blanca M, Monteseirín J. Allergen immunotherapy decreases LPS-induced NF-κB activation in neutrophils from allergic patients. Pediatr Allergy Immunol 2014; 25:129-35. [PMID: 24118194 DOI: 10.1111/pai.12145] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/05/2013] [Indexed: 11/26/2022]
Abstract
BACKGROUND Allergen-specific immunotherapy (IT) is widely used to treat allergic diseases. The molecular mechanisms have not been clarified yet completely. The present work was undertaken to analyze the effect of IT in the activation of NF-κB. METHODS Neutrophils from 15 pollen-allergic IT-treated patients, 10 untreated pollen-allergic patients, and 10 healthy donors were in vitro stimulated with LPS. NF-κB activation (p65/p52) was measured in their nuclear extracts by enzyme-linked immunosorbent assay (ELISA). IκBα phosphorylation, NF-κB-repressing factor (NRF) activation, and thromboxane A2 (TXA2 ) and Interleukin-8 (IL-8) release were measured by ELISA. RESULTS There was a positive correlation between the score of symptoms and NF-κB activation in human neutrophils. IT significantly decreased NF-κB activation levels in neutrophils compared with neutrophils from untreated patients. IκBα phosphorylation and NRF activation levels were, respectively, significantly lower and higher in neutrophils from IT-treated patients than from untreated patients. IL-8 and TXA2 release were significantly lower in neutrophils from IT-treated patients than from untreated patients. CONCLUSIONS IT positive effects are at least in part mediated by the negative regulation of NF-κB activation in human neutrophils. These observations represent a novel view of neutrophils as possible cell target to treat IgE-dependent diseases through NF-κB downmodulation.
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Affiliation(s)
- Inmaculada Ventura
- Servicio de Inmunología y Alergia, Hospital Universitario Virgen Macarena, Sevilla, Spain
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Abstract
Staining cells or tissues with basic dyes was the mainstay of mast cell and basophil detection methods for more than a century following the first identification of these cell types using such methods. These techniques have now been largely supplanted by immunohistochemical procedures with monoclonal antibodies directed against unique constituents of these cell types. Immunohistochemistry with antibodies specific for the granule protease tryptase provides a more sensitive and discriminating means for detecting mast cells than using the classical histochemical procedures; and employing antibodies specific for products of basophils (2D7 antigen and basogranulin) has allowed detection of basophils that infiltrate into tissues. The application of immunohistochemistry to detect more than one marker in the same cell has underpinned concepts of mast cell heterogeneity based on differential expression of chymase and other proteases. The double-labelling procedures employed have also provided a means for investigating the expression of cytokines and a range of other products. Protocols are here set out that have been used for immunohistochemical detection of mast cells and basophils and their subpopulations in human tissues. Consideration is given to pitfalls to avoid and to a range of alternative approaches.
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Affiliation(s)
- Andrew F Walls
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Mailpoint 837, Southampton General Hospital, Tremona Road, Southampton, SO16 6YD, UK,
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Cowden JM, Yu F, Banie H, Farahani M, Ling P, Nguyen S, Riley JP, Zhang M, Zhu J, Dunford PJ, Thurmond RL. The histamine H4 receptor mediates inflammation and Th17 responses in preclinical models of arthritis. Ann Rheum Dis 2013; 73:600-8. [PMID: 24126456 PMCID: PMC4151522 DOI: 10.1136/annrheumdis-2013-203832] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Objective The histamine H4 receptor (H4R) has been shown to drive inflammatory responses in models of asthma, colitis and dermatitis, and in these models it appears to affect both innate and adaptive immune responses. In this study, we used both H4R-deficient mice and a specific H4R antagonist, JNJ 28307474, to investigate the involvement of the H4R in mouse arthritis models. Methods H4R-deficient mice and wild-type mice administered the H4R antagonist were studied in models of collagen antibody-induced arthritis (CAIA) and collagen-induced arthritis (CIA). The impact on Th17 cells was assessed by restimulation of inguinal lymphocytes in the disease or immunisation models and with in vitro stimulation of whole blood. Results Both H4R-deficient mice and mice treated with the H4R antagonist exhibited reduced arthritis disease severity in both CAIA and CIA models. This was evident from the reduction in disease score and in joint histology. In the CIA model, treatment with the H4R antagonist reduced the number of interleukin (IL)-17 positive cells in the lymph node and the total production of IL-17. Th17 cell development in vivo was reduced in H4R-deficient mice or in mice treated with an H4R antagonist. Finally, treatment of both mouse and human blood with an H4R antagonist reduced the production of IL-17 when cells were stimulated in vitro. Conclusions These results implicate the H4R in disease progression in arthritis and in the production of IL-17 from Th17 cells. This work supports future clinical exploration of H4R antagonists for the treatment of rheumatoid arthritis.
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Affiliation(s)
- Jeffery M Cowden
- Department of Immunology, Janssen Research & Development, , San Diego, California, USA
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Neumann D, Schneider EH, Seifert R. Analysis of Histamine Receptor Knockout Mice in Models of Inflammation. J Pharmacol Exp Ther 2013; 348:2-11. [DOI: 10.1124/jpet.113.204214] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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