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Castells M, Giannetti MP, Hamilton MJ, Novak P, Pozdnyakova O, Nicoloro-SantaBarbara J, Jennings SV, Francomano C, Kim B, Glover SC, Galli SJ, Maitland A, White A, Abonia JP, Slee V, Valent P, Butterfield JH, Carter M, Metcalfe DD, Akin C, Lyons JJ, Togias A, Wheatley L, Milner JD. Mast cell activation syndrome: Current understanding and research needs. J Allergy Clin Immunol 2024; 154:255-263. [PMID: 38851398 DOI: 10.1016/j.jaci.2024.05.025] [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: 02/12/2024] [Revised: 05/13/2024] [Accepted: 05/17/2024] [Indexed: 06/10/2024]
Abstract
Mast cell activation syndrome (MCAS) is a term applied to several clinical entities that have gained increased attention from patients and medical providers. Although several descriptive publications about MCAS exist, there are many gaps in knowledge, resulting in confusion about this clinical syndrome. Whether MCAS is a primary syndrome or exists as a constellation of symptoms in the context of known inflammatory, allergic, or clonal disorders associated with systemic mast cell activation is not well understood. More importantly, the underlying mechanisms and pathways that lead to mast cell activation in MCAS patients remain to be elucidated. Here we summarize the known literature, identify gaps in knowledge, and highlight research needs. Covered topics include contextualization of MCAS and MCAS-like endotypes and related diagnostic evaluations; mechanistic research; management of typical and refractory symptoms; and MCAS-specific education for patients and health care providers.
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Affiliation(s)
- Mariana Castells
- Division of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Mass; Harvard Medical School, Boston, Mass.
| | - Matthew P Giannetti
- Division of Allergy and Clinical Immunology, Brigham and Women's Hospital, Boston, Mass; Harvard Medical School, Boston, Mass
| | - Matthew J Hamilton
- Division of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women's Hospital, Boston, Mass; Harvard Medical School, Boston, Mass
| | - Peter Novak
- Department of Neurology, Brigham and Women's Hospital, Boston, Mass; Harvard Medical School, Boston, Mass
| | - Olga Pozdnyakova
- department of Pathology, Brigham and Women's Hospital, Boston, Mass; Harvard Medical School, Boston, Mass
| | | | | | - Clair Francomano
- Medical and Molecular Genetics, Riley Children's Health, Indianapolis, Ind
| | - Brian Kim
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Sarah C Glover
- Gastroenterology & Hepatology, Tulane University School of Medicine, New Orleans, La
| | - Stephen J Galli
- Departments of Pathology and Immunology and Microbiology, and the Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, Stanford, Calif
| | - Anne Maitland
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY; Allergy and Immunology Services, Metrodora Institute, Salt Lake City, Utah
| | - Andrew White
- Division of Allergy and Immunology, Scripps Clinic, San Diego, Calif
| | - J Pablo Abonia
- Departent of Pediatrics, Cincinnati Children's Hospital, Cincinnati, Ohio
| | - Valerie Slee
- The Mast Cell Disease Society Inc, Sterling, Mass
| | - Peter Valent
- Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria; Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
| | - Joseph H Butterfield
- Division of Allergic Diseases and the Mayo Clinic Program for Mast Cell and Eosinophilic Disorders, Mayo Clinic, Rochester, Minn
| | - Melody Carter
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Dean D Metcalfe
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Cem Akin
- Division of Allergy and Clinical Immunology, University of Michigan, Ann Arbor, Mich
| | - Jonathan J Lyons
- Division of Allergy and Immunology, Department of Medicine, University of California-San Diego, La Jolla, Calif; Veterans Affairs San Diego Healthcare System, La Jolla, Calif
| | - Alkis Togias
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Lisa Wheatley
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Joshua D Milner
- Division of Pediatric Allergy, Immunology and Rheumatology, NewYork-Presbyterian/Columbia University Irving Medical Center, New York, NY
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Zhang L, Peng C, Li J. Shedding light on dermographism: a narrative review. Int J Dermatol 2024; 63:999-1006. [PMID: 38419351 DOI: 10.1111/ijd.17102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/02/2024] [Accepted: 02/07/2024] [Indexed: 03/02/2024]
Abstract
Dermographism is a common subtype of chronic urticaria. It generally manifests as a linear wheal after scratching or friction, with or without angioedema. The pathophysiology is not clear, but currently, we believe that the stimulation of the skin by mechanical stress leads to the activation of mast cells, which provoke the release of histamine and pro-inflammatory mediators, ultimately forming wheal along the stressed area. The gold standard for diagnosis is a medical history and provocation test or dermatographic test. As one of the subtypes of chronic urticaria, the Urticaria Control Test (UCT), Chronic Urticaria Quality of Life questionnaire (CU-Q2oL), and Dermatology Life Quality Index (DLQI) are also effective tools for evaluating disease control in dermographism patients. In addition to avoiding triggers, nonsedating H1 antihistamines are the first-line medications recommended by EAACI and other guidelines; for those who do not respond to standard doses, the recommended dosage can be increased up to 4 times. When necessary, the off-label use of omalizumab can be considered, and some drugs with potential therapeutic effects are still being explored. However, there is still a lack of biomarkers for predicting disease severity, efficacy, and prognosis. Here, we review what we know about dermographism and some points that need exploration in the future.
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Affiliation(s)
- Li Zhang
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Cong Peng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jie Li
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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Pezhouh MK, Lam-Himlin D, Zaheer A, Voltaggio L. Systemic diseases affecting the GI tract: A review of clinical and histopathologic manifestations. Ann Diagn Pathol 2024; 73:152351. [PMID: 39004038 DOI: 10.1016/j.anndiagpath.2024.152351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Accepted: 05/31/2024] [Indexed: 07/16/2024]
Abstract
A variety of systemic diseases may affect the gastrointestinal (GI) tract. Since the GI tract responds to injury in limited ways, identifying these processes may be challenging, especially on small endoscopic biopsies. This article reviews the clinicopathologic features of commonly encountered systemic diseases affecting the tubular GI tract: sarcoidosis, graft vs. host disease, mast cell disorders, systemic sclerosis, and IgG-4 related disease. In addition, we offer guidance in differentiating them from their mimics.
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Affiliation(s)
- Maryam K Pezhouh
- University of California San Diego, Department of Pathology, CA, United States of America
| | - Dora Lam-Himlin
- Mayo Clinic, Department of Laboratory Medicine and Pathology, AZ, United States of America
| | - Atif Zaheer
- Johns Hopkins University, Department of Radiology, MD, United States of America
| | - Lysandra Voltaggio
- Johns Hopkins University, Department of Pathology, MD, United States of America.
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Hamilton MJ. Mast Cell Activation Syndrome and Gut Dysfunction: Diagnosis and Management. Curr Gastroenterol Rep 2024; 26:107-114. [PMID: 38353900 DOI: 10.1007/s11894-024-00924-w] [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] [Accepted: 01/29/2024] [Indexed: 03/24/2024]
Abstract
PURPOSE OF REVIEW Mast cell activation syndrome (MCAS) is a clinical disorder that may explain irritable bowel syndrome (IBS) type symptoms as well as other allergic symptoms experienced by an individual. The diagnosis and treatment of MCAS with specific focus on gastrointestinal (GI) manifestations is reviewed. RECENT FINDINGS Although biomarkers for MCAS remain elusive, testing for baseline serum tryptase will distinguish the type of mast cell disorder and urine tests for mast cell mediator metabolites may support the diagnosis. Endoscopy and Colonoscopy with biopsies is not used to diagnose MCAS but is important to rule out other conditions that may cause symptoms. There is increased awareness of the association between MCAS and autonomic dysfunction, small fiber neuropathy, and connective tissue disorders which all impact GI symptoms. MCAS is a disorder often of unknown etiology (idiopathic) and characterized by intermittent allergy type symptoms that affect multiple organ systems after exposure to a trigger. GI symptoms including abdominal cramping and loose stool are prominent and mimic those of IBS. Diagnostic testing is performed to assess for elevations in mast cell mediators during symptoms and to rule out other conditions. A comprehensive treatment plan includes medications that target mast cells, treatments for associated conditions including autonomic dysfunction, and management of comorbid psychiatric illness and nutritional deficits.
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Affiliation(s)
- Matthew J Hamilton
- Division of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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Valent P, Akin C, Arock M. Reversible Elevation of Tryptase Over the Individual's Baseline: Why is It the Best Biomarker for Severe Systemic Mast Cell Activation and MCAS? Curr Allergy Asthma Rep 2024; 24:133-141. [PMID: 38308674 PMCID: PMC10960756 DOI: 10.1007/s11882-024-01124-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/03/2024] [Indexed: 02/05/2024]
Abstract
PURPOSE OF REVIEW Mast cell (MC) activation syndromes (MCAS) are conditions defined by recurrent episodes of severe systemic anaphylaxis or similar systemic events triggered by MC-derived mediators that can be measured in biological fluids. Since some symptoms of MC activation may occur due to other, non-MC etiologies and lead to confusion over diagnosis, it is of crucial importance to document the involvement of MC and their products in the patients´ symptomatology. RECENT FINDINGS The most specific and generally accepted marker of severe systemic MC activation is an event-related, transient increase in the serum tryptase level over the individual baseline of the affected individual. However, baseline concentrations of serum tryptase vary among donors, depending on the genetic background, age, kidney function, and underlying disease. As a result, it is of critical importance to provide a flexible equation that defines the diagnostic increase in tryptase qualifying as MCAS criterion in all patients, all situations, and all ranges of baseline serum tryptase. In 2012, the consensus group proposed the 120% + 2 ng/ml formula, which covers the great majority of groups, including cases with low, normal, or elevated basal serum tryptase level. This formula has been validated in subsequent studies and has proven to be a robust and consistent diagnostic criterion of MCAS. The present article is discussing the impact of this formula and possible limitations as well as alternative markers and mediators that may be indicative of MCAS.
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Affiliation(s)
- Peter Valent
- Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria.
- Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria.
| | - Cem Akin
- Division of Allergy and Clinical Immunology, University of Michigan, Ann Arbor, MI, USA
| | - Michel Arock
- Platform of Molecular Analysis for Mastocytosis and MCAD (CEREMAST), Department of Biological Hematology, Pitié-Salpêtrière Hospital, AP-HP, Paris Sorbonne University, Paris, France
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Guedry SE, Langley BO, Schaefer K, Hanes DA. Integrative medicine for hypermobility spectrum disorders (HSD) and Ehlers-Danlos syndromes (EDS): a feasibility study. Disabil Rehabil 2024:1-14. [PMID: 38353245 DOI: 10.1080/09638288.2024.2314713] [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: 04/16/2023] [Accepted: 01/26/2024] [Indexed: 02/25/2024]
Abstract
PURPOSE Hypermobility spectrum disorders (HSD) and Ehlers-Danlos syndromes (EDS) are multisystem conditions marked by dysfunctional connective tissue. This feasibility study evaluated a 9-week integrative medicine program in this population. METHODS Using a single-arm study design, adults with HSD or EDS were given recommendations for an anti-inflammatory Mediterranean diet and self-management with additional behavioral and psychosocial support. Preliminary data on feasibility based on recruitment and retention, adherence to the diet, mobile app tracking, changes to perceived well-being via health outcomes, and satisfaction with care were obtained. RESULTS Thirteen participants were enrolled within a 4-month timeframe. Eight participants completed the study. Three participants met dietary tracking requirement in at least 4 of 8 intervention weeks and met the macronutrient requirements in at least half of the weeks tracked. No decreases in VAS pain scores after 5 and 9 weeks were noted; however, 62.5% (n = 5) of participants had decreased pain at 9 weeks, compared to baseline. There were significant improvements (p<.05) in six of twelve measurements of satisfaction with care at the end of the intervention. CONCLUSION This study provides a foundation for future research on patient experience and introduces a novel treatment paradigm focused on nutrition and self-management. Trial Registration: National Institutes of Health clinicaltrials.gov; identifier: NCT04734041. IMPLICATIONS FOR REHABILITATION Lifestyle and dietary interventions are relatively safe and well tolerated in the hypermobility spectrum disorder (HSD) and Ehlers-Danlos disorder (EDS) population.Participants in our 9-week integrative medicine program actively engaged in self-management of their condition and showed promising adherence to dietary and tracking requirements.Effective treatment of the intricacies and dynamics of these highly variable and clinically heterogeneous disorders may require a network of healthcare providers, integrative healthcare, as well as behavioral and psychosocial support.Dietary tracking through mobile apps might help promote self-efficacy and adherence to dietary changes.Symptom tracking might be an effective way for patients to track changes to their health and could provide valuable information for health professionals engaged in managing the disorders.
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Affiliation(s)
- Sara E Guedry
- Helfgott Research Institute, National University of Natural Medicine, Portland, OR, USA
| | - Blake O Langley
- Helfgott Research Institute, National University of Natural Medicine, Portland, OR, USA
- School of Nursing, University of WA, Seattle, WA, USA
| | - Kerry Schaefer
- Co-investigator, Healthy Living Community Clinic, Portland, OR, USA
| | - Douglas A Hanes
- Helfgott Research Institute, National University of Natural Medicine, Portland, OR, USA
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Genta RM, Turner KO, Collins MH, Wechsler JB, Arva NC, Pletneva MA, Dellon ES, Walker MM. Quantification of Mucosal Mast Cells in the Gastrointestinal Tract: A Primer for Practicing Pathologists. Arch Pathol Lab Med 2024; 148:e25-e35. [PMID: 37450346 DOI: 10.5858/arpa.2023-0070-oa] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/11/2023] [Indexed: 07/18/2023]
Abstract
CONTEXT.— Mast cells are essential components of the immune system and play crucial pathogenetic roles in several digestive diseases, including mastocytic enterocolitis and eosinophilic gastrointestinal disorders. Pathologists have rarely been asked to evaluate the distribution and density of mast cells in gastrointestinal (GI) biopsy specimens. However, such requests are becoming more common because of an increasing awareness of the role of mast cells in functional GI disease and in both esophageal and nonesophageal eosinophilic gastrointestinal disorders. OBJECTIVE.— To provide pathologists with tools to incorporate the assessment of mast cells in the evaluation of esophageal, gastric, and intestinal specimens by developing a systematic approach to their evaluation, counting, and reporting. DESIGN.— This study consisted of a review of the literature followed by multiple consensus sessions to decide where to count mast cells and what a countable mast cell is. RESULTS.— We reviewed 135 papers addressing the content of mast cells in the digestive tract, selected 21 that detailed how cells were counted (microscope lens, area of high-power fields, locations evaluated, type of cells considered as countable), and summarized their data in a table. Then, drawing from both the acceptable literature and our own extensive experience, we reached a tentative consensus on: (1) the normal numbers in the different segments of the GI tract; (2) the morphology of countable mast cells; and (3) the locations and strategies for counting them. CONCLUSIONS.— The result is a set of suggestions for reporting mast cell counts, their distribution, and their location in a way clinicians can understand and use for management decisions.
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Affiliation(s)
- Robert M Genta
- From the Departments of Pathology and Medicine (Gastroenterology), Baylor College of Medicine, Houston, Texas (Genta)
- Inform Diagnostics, Fulgent, Irving, Texas (Genta, Turner)
| | - Kevin O Turner
- Inform Diagnostics, Fulgent, Irving, Texas (Genta, Turner)
- the Department of Pathology, University of Minnesota Medical School, Minneapolis (Turner)
| | - Margaret H Collins
- the Division of Pathology and Laboratory Medicine, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio (Collins)
| | - Joshua B Wechsler
- the Eosinophilic Gastrointestinal Diseases Program, Division of Gastroenterology, Hepatology, and Nutrition, Departments of Pediatrics (Wechsler) and Pathology (Arva), Ann & Robert H. Lurie Children's Hospital of Chicago, Northwestern University, Feinberg School of Medicine, Chicago, Illinois
| | - Nicoleta C Arva
- the Eosinophilic Gastrointestinal Diseases Program, Division of Gastroenterology, Hepatology, and Nutrition, Departments of Pediatrics (Wechsler) and Pathology (Arva), Ann & Robert H. Lurie Children's Hospital of Chicago, Northwestern University, Feinberg School of Medicine, Chicago, Illinois
| | - Maria A Pletneva
- the Department of Pathology, University of Utah, Salt Lake City (Pletneva)
| | - Evan S Dellon
- the Center for Esophageal Diseases and Swallowing (Dellon)
- the Center for Gastrointestinal Biology and Disease, Division of Gastroenterology and Hepatology, Department of Medicine (Dellon), University of North Carolina School of Medicine, Chapel Hill
| | - Marjorie M Walker
- Anatomical Pathology, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, New South Wales, Australia (Walker)
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Iding J, Agarwal P, Zhang S, Odin R, Bernstein JA, Zimmermann N. Standardized Quantification of Mast Cells in the Gastrointestinal Tract in Adults. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2024; 12:472-481. [PMID: 37918653 DOI: 10.1016/j.jaip.2023.10.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 10/23/2023] [Accepted: 10/25/2023] [Indexed: 11/04/2023]
Abstract
BACKGROUND Current data on the normal quantity of mast cells throughout the adult gastrointestinal tract are limited in several domains. These include microanatomic localization of mast cells, standardization of staining and counting methods, and reporting of microscope field of view. OBJECTIVE To address this lack of reliable reference ranges to facilitate the study of and diagnosis of emerging mast cell-mediated diseases. METHODS We examined biopsies obtained from the esophagus, stomach, duodenum, and colon from an unselected cohort. Mean and peak mast cell density were determined on slides stained for tryptase and CD117, and were expressed per high power field (hpf) and surface area (mm2), thus deriving reference ranges (average ± 2 SDs). RESULTS For the most common hpf surface area (0.238 mm2), upper limits of the derived reference ranges for average/peak mast cells were 0.15/3.67 (esophagus, tryptase), 0.70/5.98 (esophagus, CD117), 22.56/35.30 (stomach, tryptase), 31.32/53.10 (stomach, CD117), 30.28/49.77 (duodenal crypts, tryptase), 41.96/65.26 (duodenal crypts, CD117), 4.98/11.56 (duodenal villi, tryptase), 8.38/14.17 (duodenal villi, CD117), 26.58/41.08 (colon, tryptase), and 35.57/57.92 (colon, CD117). Interobserver variability was moderate to good. There was significant correlation between average and peak mast cell counts. CONCLUSIONS These data help standardize mast cell reference ranges throughout the gastrointestinal tract in adults, which can be used to determine whether abnormal levels of mast cells are present in patients with suspected mast cell-mediated disease. Our data show that the commonly used cutoff of 20 mast cells per hpf irrespective of the gastrointestinal tract segment is an underestimate of an appropriate cutoff in stomach, duodenum (crypt area), and colon.
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Affiliation(s)
- Jared Iding
- Department of Pathology and Laboratory Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Pooja Agarwal
- Department of Pathology and Laboratory Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Simin Zhang
- Department of Internal Medicine, Division of Rheumatology, Allergy and Immunology, University of Cincinnati College of Medicine, Cincinnati, Ohio; Department of Pediatrics, Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Rachel Odin
- Department of Internal Medicine, Division of Rheumatology, Allergy and Immunology, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Jonathan A Bernstein
- Department of Internal Medicine, Division of Rheumatology, Allergy and Immunology, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Nives Zimmermann
- Department of Pathology and Laboratory Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio; Department of Internal Medicine, Division of Rheumatology, Allergy and Immunology, University of Cincinnati College of Medicine, Cincinnati, Ohio; Department of Pediatrics, Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.
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Cañas CA, Tobón GJ, Bonilla-Abadía F, Posso-Osorio I. Relapsing-Remitting Form of Arthropathy Occurs in Patients With Mast Cell Activation Syndrome. J Clin Rheumatol 2024; 30:32-35. [PMID: 37496120 DOI: 10.1097/rhu.0000000000002007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Affiliation(s)
| | - Gabriel J Tobón
- Department of Medical Microbiology, Southern Illinois University School of Medicine, Springfield, IL
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Conner JE, Steinberg JA. Approach to Idiopathic Anaphylaxis in Adolescents. Med Clin North Am 2024; 108:123-155. [PMID: 37951646 DOI: 10.1016/j.mcna.2023.05.018] [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] [Indexed: 11/14/2023]
Abstract
Anaphylaxis is a potentially-life threatening condition. Adolescents are particularly vulnerable due to increased risk-taking behaviors, poor disease management, and minimized perception of risk. Although most anaphylaxis can be attributed to food, drug, or venom allergy via a detailed history and confirmatory studies, in nearly 1 in 5 cases, the cause may not be obvious. Clinical differentials including rare allergens, cofactors, mast-cell disorders, and mimic disorders can increase the likelihood of discovering of the cause of anaphylaxis.
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Affiliation(s)
- Jeanne E Conner
- Division of Allergy and Clinical Immunology, Department of Pediatrics, Medical College of Wisconsin, 9000 West Wisconsin Avenue. B440, Milwaukee, WI 53226, USA
| | - Joshua A Steinberg
- Division of Allergy and Clinical Immunology, Department of Pediatrics, Medical College of Wisconsin, 9000 West Wisconsin Avenue. B440, Milwaukee, WI 53226, USA; Section of Allergy, Department of Medicine, Clement J. Zablocki Veterans' Affairs Medical Center, 5000 West National Avenue, 1AN, Milwaukee, WI 53295, USA.
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Panarelli NC. Mast Cell Disorders of the Gastrointestinal Tract: Clarity out of Chaos. Surg Pathol Clin 2023; 16:755-764. [PMID: 37863564 DOI: 10.1016/j.path.2023.05.010] [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] [Indexed: 10/22/2023]
Abstract
Pathologists are increasingly asked to evaluate mast cell infiltrates in the gastrointestinal tract when there is clinical concern for systemic mastocytosis or a variety of functional disorders, including irritable bowel syndrome and mast cell activation syndrome. Neoplastic mast cells have established quantitative, morphologic, and immunohistochemical features that facilitate their identification in gastrointestinal mucosal biopsies. Specific qualitative and quantitative findings are lacking for inflammatory mast cell-mediated disorders. This review covers histopathologic features of mast cell disorders that affect the gastrointestinal tract and offers practical guidance for their assessment in mucosal biopsies.
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Affiliation(s)
- Nicole C Panarelli
- Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA
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12
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Abstract
Gastrointestinal symptoms are prevalent in patients with systemic mastocytosis and contribute to morbidity. In indolent disease, the symptoms, which include heartburn, abdominal pain, and diarrhea, are largely due to release of mast cell mediators but may be due to other factors. A thorough evaluation that incorporates abdominal imaging and endoscopy with intestinal biopsy assists with diagnosis and management. Patients with advanced mastocytosis experience signs and symptoms of gastrointestinal dysfunction owing to the massive infiltration of clonal mast cells in the tissues. The gastrointestinal symptoms in systemic mastocytosis are treatable with a combination of therapies, including those directed at mast cells.
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Affiliation(s)
- Matthew J Hamilton
- Mastocytosis Center, Brigham and Women's Hospital, Crohn's and Colitis Center, Harvard Medical School, 850 Boylston Street, Chestnut Hill, MA 02467, USA.
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Sbeih N, Bourguiba R, Hoyeau-Idrissi N, Launay JM, Callebert J, Canioni D, Sokol H, Hentgen V, Grateau G, Hermine O, Georgin-Lavialle S. Histamine elevation in familial Mediterranean fever: A study from the Juvenile Inflammatory Rheumatism cohort. Eur J Intern Med 2023; 116:89-95. [PMID: 37349205 DOI: 10.1016/j.ejim.2023.06.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 05/10/2023] [Accepted: 06/09/2023] [Indexed: 06/24/2023]
Abstract
BACKGROUND Familial Mediterranean Fever (FMF) is the most frequent monogenic autoinflammatory disease (AID). Some patients have persistent symptoms despite colchicine intake. Mast cells (MC) are innate immune cells involved in inflammatory conditions including AID. Their activation is responsible for various symptoms such as abdominal pain, bloating and pruritus. OBJECTIVE Our objective was to evaluate features of a systemic MC activation in FMF adult patients. METHODS FMF adult patients prospectively filled a MC activation survey and usual MC mediators (tryptase and histamine in whole blood, plasma and urine) were measured. They were compared with a healthy control group (HC) and a systemic mastocytosis (SM) group. When digestive biopsies were realized during follow-up, MC infiltration in digestive mucosa was analyzed in FMF, in comparison with SM, Crohn disease (CD) and normal biopsies. RESULTS Forty-four FMF patients, 44 HC and 44 SM patients were included. Thirty-one (70%) FMF patients had symptoms of mast cell activation, versus 14 (32%) in the HC group (p = 0.0006). Thirty (68%) FMF patients had at least one elevated MC mediator: mainly whole blood histamine, in 19 (43%) and urinary histamine, in 14 (32%), which were significantly higher than in HC subjects. MC infiltration was comparable in FMF digestive biopsies, biopsies of CD and normal biopsies but was lower than in SM biopsies. CONCLUSION FMF patients show frequent symptoms of MC activation and an increase of blood or urinary histamine never described before in this disease. This suggests an implication of MC and possibly basophils in FMF pathophysiology.
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Affiliation(s)
- Nabiha Sbeih
- Department of Internal Medicine, National Reference Centre for Auto-inflammatory Diseases and inflammatory Amyloidosis (CEREMAIA), Tenon Hospital, AP-HP, Paris, France; Sorbonne Université, Inserm U938, Paris, France; Laboratory of Molecular mechanisms of Hematological disorders and therapeutic implications, INSERM U1163 and CNRS ERL 8254, Fondation Imagine, Paris, France
| | - Rim Bourguiba
- Department of Internal Medicine, National Reference Centre for Auto-inflammatory Diseases and inflammatory Amyloidosis (CEREMAIA), Tenon Hospital, AP-HP, Paris, France; Sorbonne Université, Inserm U938, Paris, France
| | | | - Jean-Marie Launay
- Service de Biochimie et Biologie Moléculaire, INSERM U942, Hôpital Lariboisière et Université Paris Cité, AP-HP, Paris, France
| | - Jacques Callebert
- Service de Biochimie et Biologie Moléculaire, INSERM U942, Hôpital Lariboisière et Université Paris Cité, AP-HP, Paris, France
| | - Danielle Canioni
- Laboratoire d'Anatomie-Pathologie, Hôpital Necker-Enfants Malades, AP-HP et Université Paris Cité, Paris, France
| | - Harry Sokol
- Service de Gastroentérologie et Nutrition, Hôpital Saint-Antoine, AP-HP, Paris, France et Sorbonne Université, Equipe AVENIR, Laboratoire INSERM U938, Paris, France; Equipe Interactions des bactéries commensales et probiotiques avec l'hôte, MICALIS, INRA, Jouy en Josas, France
| | - Véronique Hentgen
- Department of General Pediatrics, André Mignot Hospital, National Reference Centre for Auto-inflammatory Diseases and inflammatory Amyloidosis (CEREMAIA), Versailles, France
| | - Gilles Grateau
- Department of Internal Medicine, National Reference Centre for Auto-inflammatory Diseases and inflammatory Amyloidosis (CEREMAIA), Tenon Hospital, AP-HP, Paris, France
| | - Olivier Hermine
- Centre de Référence des Mastocytoses, Service d'Hématologie adulte, Université Paris Cité, Hôpital Necker-Enfants malades, AP-HP, Paris, France; Laboratory of Molecular mechanisms of Hematological disorders and therapeutic implications, INSERM U1163 and CNRS ERL 8254, Fondation Imagine, Paris, France
| | - Sophie Georgin-Lavialle
- Department of Internal Medicine, National Reference Centre for Auto-inflammatory Diseases and inflammatory Amyloidosis (CEREMAIA), Tenon Hospital, AP-HP, Paris, France; Sorbonne Université, Inserm U938, Paris, France.
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14
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Wang RM, Mesfin JM, Karkanitsa M, Ungerleider JL, Zelus E, Zhang Y, Kawakami Y, Kawakami Y, Kawakami T, Christman KL. Immunomodulatory contribution of mast cells to the regenerative biomaterial microenvironment. NPJ Regen Med 2023; 8:53. [PMID: 37730736 PMCID: PMC10511634 DOI: 10.1038/s41536-023-00324-0] [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: 10/13/2021] [Accepted: 08/31/2023] [Indexed: 09/22/2023] Open
Abstract
Bioactive immunomodulatory biomaterials have shown promise for influencing the immune response to promote tissue repair and regeneration. Macrophages and T cells have been associated with this response; however, other immune cell types have been traditionally overlooked. In this study, we investigated the role of mast cells in the regulation of the immune response to decellularized biomaterial scaffolds using a subcutaneous implant model. In mast cell-deficient mice, there was dysregulation of the expected M1 to M2 macrophage transition typically induced by the biomaterial scaffold. Polarization progression deviated in a sex-specific manner with an early transition to an M2 profile in female mice, while the male response was unable to properly transition past a pro-inflammatory M1 state. Both were reversed with adoptive mast cell transfer. Further investigation of the later-stage immune response in male mice determined a greater sustained pro-inflammatory gene expression profile, including the IL-1 cytokine family, IL-6, alarmins, and chemokines. These results highlight mast cells as another important cell type that influences the immune response to pro-regenerative biomaterials.
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Affiliation(s)
- Raymond M Wang
- Shu Chien-Gene Lay Department of Bioengineering, Sanford Consortium of Regenerative Medicine, University of California San Diego, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Joshua M Mesfin
- Shu Chien-Gene Lay Department of Bioengineering, Sanford Consortium of Regenerative Medicine, University of California San Diego, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Maria Karkanitsa
- Shu Chien-Gene Lay Department of Bioengineering, Sanford Consortium of Regenerative Medicine, University of California San Diego, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Jessica L Ungerleider
- Shu Chien-Gene Lay Department of Bioengineering, Sanford Consortium of Regenerative Medicine, University of California San Diego, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Emma Zelus
- Shu Chien-Gene Lay Department of Bioengineering, Sanford Consortium of Regenerative Medicine, University of California San Diego, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Yuxue Zhang
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Yu Kawakami
- Laboratory of Allergic Diseases, Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, California, 92037, USA
- Department of Dermatology, University of California San Diego, School of Medicine, La Jolla, CA, 92093, USA
| | - Yuko Kawakami
- Laboratory of Allergic Diseases, Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, California, 92037, USA
- Department of Dermatology, University of California San Diego, School of Medicine, La Jolla, CA, 92093, USA
| | - Toshiaki Kawakami
- Laboratory of Allergic Diseases, Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, California, 92037, USA
- Department of Dermatology, University of California San Diego, School of Medicine, La Jolla, CA, 92093, USA
| | - Karen L Christman
- Shu Chien-Gene Lay Department of Bioengineering, Sanford Consortium of Regenerative Medicine, University of California San Diego, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA.
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15
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Hamilton MJ. Addressing Controversies in Mast Cell Activation Syndrome: Analysis Using the Cluster Instrument. Dig Dis Sci 2023:10.1007/s10620-023-07923-3. [PMID: 37071243 DOI: 10.1007/s10620-023-07923-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/10/2023] [Indexed: 04/19/2023]
Affiliation(s)
- Matthew J Hamilton
- Division of Gastroenterology, Endoscopy, and Hepatology, Brigham and Women's Hospital, Boston, USA.
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16
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Häder T, Molderings GJ, Klawonn F, Conrad R, Mücke M, Sellin J. Cluster-Analytic Identification of Clinically Meaningful Subtypes in MCAS: The Relevance of Heat and Cold. Dig Dis Sci 2023:10.1007/s10620-023-07921-5. [PMID: 37029308 PMCID: PMC10352424 DOI: 10.1007/s10620-023-07921-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 03/10/2023] [Indexed: 04/09/2023]
Abstract
BACKGROUND Mast cell activation syndrome (MCAS) is a clinically heterogeneous disease with allergy-like symptoms and abdominal complaints. Its etiology is only partially understood and it is often overlooked. AIMS The aim of this study was to identify subgroups of MCAS patients to facilitate diagnosis and allow a personalized therapy. METHODS Based on data from 250 MCAS patients, hierarchical and two-step cluster analyses as well as association analyses were performed. The data used included data from a MCAS checklist asking about symptoms and triggers and a set of diagnostically relevant laboratory parameters. RESULTS Using a two-step cluster analysis, MCAS patients could be divided into three clusters. Physical trigger factors were particularly decisive for the classification as they showed remarkable differences between the three clusters. Cluster 1, labeled high responders, showed high values for the triggers heat and cold, whereas cluster 2, labeled intermediate responders, presented with high values for the trigger heat and low values for cold. The third cluster, labeled low responders, did not react to thermal triggers. The first two clusters showed more divers clinical symptoms especially with regard to dermatological and cardiological complaints. Subsequent association analyses revealed relationships between triggers and clinical complaints: Abdominal discomfort is mainly triggered by histamine consumption, dermatological discomfort by exercise, and neurological symptoms are related to physical exertion and periods of starvation. The reasons for the occurrence of cardiological complaints are manifold and triggers for respiratory complaints still need better identification. CONCLUSION Our study identified three distinct clusters on the basis of physical triggers, which also differ significantly in their clinical symptoms. A trigger-related classification can be helpful in clinical practice for diagnosis and therapy. Longitudinal studies should be conducted to further understand the relationship between triggers and symptoms.
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Affiliation(s)
- Tinus Häder
- Institute for Digitalization and General Medicine, University Hospital RWTH Aachen, Aachen, Germany
- Center for Rare Diseases Bonn (ZSEB), University Hospital Bonn, Bonn, Germany
| | | | - Frank Klawonn
- Biostatistics Group, Helmholtz Centre for Infection Research, Braunschweig, Germany
- Department of Computer Science, Ostfalia University, Wolfenbuettel, Germany
| | - Rupert Conrad
- Department of Psychosomatic Medicine and Psychotherapy, University Hospital Muenster, Muenster, Germany
| | - Martin Mücke
- Institute for Digitalization and General Medicine, University Hospital RWTH Aachen, Aachen, Germany
- Center for Rare Diseases Aachen (ZSEA), University Hospital RWTH Aachen, Aachen, Germany
| | - Julia Sellin
- Institute for Digitalization and General Medicine, University Hospital RWTH Aachen, Aachen, Germany.
- Center for Rare Diseases Aachen (ZSEA), University Hospital RWTH Aachen, Aachen, Germany.
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17
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Shivji S, Conner JR, Kirsch R. Mast cell evaluation in gastrointestinal biopsies: should we be counting? A critical review and practical guide for the surgical pathologist. Histopathology 2023; 82:960-973. [PMID: 36849791 DOI: 10.1111/his.14897] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/17/2023] [Accepted: 02/21/2023] [Indexed: 03/01/2023]
Abstract
Mast cells are residents of the tubular gastrointestinal (GI) tract, where they play an important role in host defence and other vital functions. Dysregulation of mast cells has been implicated in the pathogenesis of several neoplastic, inflammatory, and functional disorders, some of which may manifest with GI symptoms. Surgical pathologists must therefore confront when and how to evaluate GI biopsies for mast cells, and whether such decisions should be based on morphologic criteria, clinical context, or direct request from clinical colleagues. The pathologist's role in evaluation of mast cell infiltrates is best defined in the diagnosis of systemic mastocytosis, where the utility of morphologic assessment coupled with ancillary studies is well established. In contrast, in nonneoplastic mast cell disorders such as mast cell activation syndrome, irritable bowel syndrome, or so-called 'mastocytic enterocolitis', a role for histopathology, if any, is controversial. Despite this, pathologists have seen a sharp increase in requests for mast cell quantification in the latter setting, despite these requests not being supported by published evidence. Moreover, what constitutes a 'normal' number of mast cells in a luminal GI biopsy is not well established. As a result, there is considerable variation in how these requests are handled in practice. This review evaluates and summarizes the published evidence relating to mast cell evaluation in endoscopic GI biopsies in various clinical scenarios, with a goal of providing practical, evidence-based guidance for the surgical pathologist when approached with requests for mast cell quantification in GI biopsies.
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Affiliation(s)
- Sameer Shivji
- Department of Pathology & Laboratory Medicine, Mount Sinai Hospital, Toronto, ON, Canada
| | - James Ryan Conner
- Department of Pathology & Laboratory Medicine, Mount Sinai Hospital, Toronto, ON, Canada
| | - Richard Kirsch
- Department of Pathology & Laboratory Medicine, Mount Sinai Hospital, Toronto, ON, Canada
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18
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Panarelli NC, Hornick JL, Yantiss RK. What Is the Value of Counting Mast Cells in Gastrointestinal Mucosal Biopsies? Mod Pathol 2023; 36:100005. [PMID: 36853780 DOI: 10.1016/j.modpat.2022.100005] [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: 06/27/2022] [Revised: 08/12/2022] [Accepted: 09/19/2022] [Indexed: 01/11/2023]
Abstract
Neoplastic and nonneoplastic mast cell disorders can cause diarrhea, nausea, and abdominal pain that result from heightened release of mast cell mediators. Systemic mastocytosis is characterized by neoplastic mast cell aggregates in the bone marrow and other sites, particularly the skin and gastrointestinal tract. In this situation, extramedullary mast cell aggregates display atypical morphology, with aberrant immunostaining for CD25 in addition to staining for other mast cell markers, such as mast cell tryptase and CD117. Morphologically normal mast cells have also been implicated in nonneoplastic conditions. For example, increased mast cell numbers have been reported in the mucosal biopsy samples from patients with irritable bowel syndrome and hereditary alpha-tryptasemia. Patients with mast cell activation syndrome presumably experience symptoms related to the aberrant elaboration of histamine and other mediators from normal-appearing mast cells present in normal numbers. Unfortunately, similarities in terminology among these biologically distinct clinical conditions have caused considerable diagnostic confusion among clinical colleagues, resulting in frequent requests for pathologists to quantify and characterize mast cells in normal gastrointestinal biopsy samples from patients with diarrheal symptoms. The purpose of this review is to summarize the available data related to mast cell assessment in the gastrointestinal tract and provide pathologists with practical information so that they can help their clinical colleagues manage patients with presumed mast cell disorders.
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Affiliation(s)
- Nicole C Panarelli
- Department of Pathology Montefiore Medical Center/Albert Einstein College of Medicine, New York, New York.
| | - Jason L Hornick
- Department of Pathology, the Brigham and Women's Hospital of Harvard Medical School, Boston, Massachusetts
| | - Rhonda K Yantiss
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, New York; Now with Department of Pathology and Laboratory Medicine, University of Miami Miller School of Medicine, Miami, Florida
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19
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Brenner DM, Brandt LJ, Fenster M, Hamilton MJ, Kamboj AK, Oxentenko AS, Wang B, Chey WD. Rare, Overlooked, or Underappreciated Causes of Recurrent Abdominal Pain: A Primer for Gastroenterologists. Clin Gastroenterol Hepatol 2023; 21:264-279. [PMID: 36180010 DOI: 10.1016/j.cgh.2022.09.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 09/07/2022] [Accepted: 09/08/2022] [Indexed: 01/28/2023]
Abstract
Recurrent abdominal pain is a common reason for repeated visits to outpatient clinics and emergency departments, reflecting a substantial unmet need for timely and accurate diagnosis. A lack of awareness of some of the rarer causes of recurrent abdominal pain may impede diagnosis and delay effective management. This article identifies some of the key rare but diagnosable causes that are frequently missed by gastroenterologists and provides expert recommendations to support recognition, diagnosis, and management with the ultimate aim of improving patient outcomes.
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Affiliation(s)
- Darren M Brenner
- Division of Gastroenterology and Hepatology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
| | - Lawrence J Brandt
- Division of Gastroenterology, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
| | - Marc Fenster
- Division of Gastroenterology, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
| | - Matthew J Hamilton
- Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Boston, Massachusetts
| | - Amrit K Kamboj
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Amy S Oxentenko
- Division of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona
| | - Bruce Wang
- Department of Medicine, University of California, San Francisco, San Francisco, California
| | - William D Chey
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Michigan Medicine, Ann Arbor, Michigan
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20
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Vernia F, Tatti T, Necozione S, Capannolo A, Cesaro N, Magistroni M, Valvano M, Pompili S, Sferra R, Vetuschi A, Latella G. Is mastocytic colitis a specific clinical-pathological entity? Eur J Histochem 2022; 66:3499. [PMID: 36440694 PMCID: PMC9761410 DOI: 10.4081/ejh.2022.3499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 11/10/2022] [Indexed: 12/23/2022] Open
Abstract
The number of intestinal mast cells (MC) is increased in several types of colitis, but the mucosa of patients with chronic non-bloody diarrhea has not been studied. The current study sought to determine the relationship between MC counts and degranulation and the severity of symptoms in patients with chronic loose stools. Following a negative laboratory workup for the most common causes of chronic diarrhea, patients with chronic non-bloody loose stools were included in the study. Patients with macroscopic evidence of inflammation or organic disease were excluded after endoscopy with biopsies. Biopsies from the 179 patients in the study were stained with hematoxylin and eosin and anti-CD117 c-kit antibodies. Immunohistochemistry was used to assess the degree of MC degranulation. Out of the 179 patients, 128 had normal histologic findings suggestive of irritable bowel syndrome and were used as controls. Twenty-four presented with abnormally high MC counts (≥40 MC x HPF), 23 with ≥20 intraepithelial lymphocytes x HPF suggesting lymphocytic colitis, and 4 had both (≥40 MC and ≥20 intraepithelial lymphocytes x HPF). In the patients with high MC counts, figures were significantly higher in the right colon versus the left colon (p=0.016), but degranulation did not differ in the right versus the left colon (p=0.125). No age or sex-related difference was observed (p=0.527 and p=0.859 respectively). The prevalence of abdominal pain and bloating did not differ in the three groups (p=0.959 and p=0.140, respectively). Patients with lymphocytic colitis (p=0.008) and those with high MC counts (p=0.025) had significantly higher evacuation rates compared to controls. There was no difference between these two groups (p=0.831). Mast cell degranulation was not associated with the number of evacuations, abdominal pain, or bloating (p=0.51; p=0.41; p=0.42, respectively). The finding that a significantly higher number of evacuations was linked to increased MC in the colonic mucosa of a subset of patients with otherwise normal laboratory and endoscopic findings suggests that "mastocytic colitis" may be a new clinical-pathological entity responsible for chronic non-bloody diarrhea. Prospective studies with a larger number of patients, as well as endoscopic and histological follow-up, are needed to confirm this hypothesis.
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Affiliation(s)
- Filippo Vernia
- Gastroenterology Unit, Department of Life, Health and Environmental Sciences, University of L’Aquila,*These authors contributed equally to this work
| | - Tiziana Tatti
- Pathology Unit, S. Salvatore Academic Hospital, L'Aquila,*These authors contributed equally to this work
| | - Stefano Necozione
- Epidemiology Unit, Department of Life, Health and Environmental Sciences, University of L'Aquila
| | - Annalisa Capannolo
- Diagnostic and Surgical Endoscopy Unit, San Salvatore Academic Hospital, L'Aquila
| | - Nicola Cesaro
- Gastroenterology Unit, Department of Life, Health and Environmental Sciences, University of L’Aquila
| | - Marco Magistroni
- Gastroenterology Unit, Department of Life, Health and Environmental Sciences, University of L’Aquila
| | - Marco Valvano
- Gastroenterology Unit, Department of Life, Health and Environmental Sciences, University of L’Aquila
| | - Simona Pompili
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy
| | - Roberta Sferra
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy
| | - Antonella Vetuschi
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy
| | - Giovanni Latella
- Gastroenterology Unit, Department of Life, Health and Environmental Sciences, University of L’Aquila,*These authors contributed equally to this work
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21
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Valent P, Hartmann K, Bonadonna P, Gülen T, Brockow K, Alvarez-Twose I, Hermine O, Niedoszytko M, Carter MC, Hoermann G, Butterfield JH, Lyons JJ, Sperr WR, Greiner G, Sotlar K, Kluin-Nelemans HC, Schwaab J, Lange M, George TI, Siebenhaar F, Broesby-Olsen S, Jawhar M, Nedoszytko B, Castells M, Orfao A, Gotlib J, Reiter A, Horny HP, Triggiani M, Arock M, Metcalfe DD, Akin C. Global Classification of Mast Cell Activation Disorders: An ICD-10-CM-Adjusted Proposal of the ECNM-AIM Consortium. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:1941-1950. [PMID: 35623575 DOI: 10.1016/j.jaip.2022.05.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 05/04/2022] [Accepted: 05/11/2022] [Indexed: 12/18/2022]
Abstract
Mast cell activation (MCA) is common and occurs in a number of pathologic conditions, including IgE-dependent and independent allergic reactions, atopic disorders, autoimmune processes, and mastocytosis. In a subset of patients, no underlying disease and no known trigger of MCA are found. When the symptoms are severe, systemic, and recurrent, and accompanied by a diagnostic increase in the serum tryptase level or other mast cell mediators, an MCA syndrome (MCAS) may be diagnosed. In these patients, the symptoms typically respond to drugs suppressing MCA, mediator production in mast cells, or mediator effects. In each case, diagnostic consensus criteria must be fulfilled to diagnose MCAS. In other patients, MCA may be local, less severe, or less acute, or may be suspected but not confirmed, so that the diagnostic criteria of MCAS are not fulfilled. In these patients, it may be difficult to prove MCA, for example, by measuring multiple mast cell mediators or basophil activation, the latter as a surrogate of IgE-dependent hypersensitivity. However, validated diagnostic criteria for implicating suspected MCA behind such conditions are lacking, even if some of these conditions have recently been assigned to an International Classification of Diseases-10-Clinical Modification code (ICD-10-CM). In this article, we discuss diagnostic features and criteria and propose a ICD-10-CM-adjusted classification for disorders associated with MCA, herein referred to as MCA disorders (MCADs), with special emphasis on the delineation between confirmed MCAS, MCAD not fulfilling MCAS criteria, and suspected MCAD that is not present. In addition, we discuss the discrimination between overt MCAD and predisposing conditions, such as atopic states, mastocytosis, and hereditary alpha tryptasemia.
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Affiliation(s)
- Peter Valent
- Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria; Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria.
| | - Karin Hartmann
- Division of Allergy, Department of Dermatology, University Hospital Basel and University of Basel, Basel, Switzerland; Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | | | - Theo Gülen
- Department of Respiratory Medicine and Allergy, Karolinska University Hospital Huddinge, Stockholm, Sweden; Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet, Stockholm, Sweden
| | - Knut Brockow
- Department of Dermatology and Allergy Biederstein, Technical University of Munich, Munich, Germany
| | - Ivan Alvarez-Twose
- Instituto de Estudios de Mastocitosis de Castilla La Mancha (CLMast) and CIBERONC, Hospital Virgen del Valle, Toledo, Spain
| | - Olivier Hermine
- Service d'hématologie, Imagine Institute Université de Paris, Sorbonne, INSERM U1163, Centre national de référence des mastocytoses, Hôpital Necker, Assistance publiquehôpitaux de Paris, Paris, France
| | - Marek Niedoszytko
- Department of Allergology, Medical University of Gdansk, Gdansk, Poland
| | - Melody C Carter
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Gregor Hoermann
- Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria; MLL Munich Leukemia Laboratory, Munich, Germany
| | | | - Jonathan J Lyons
- Translational Allergic Immunopathology Unit, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Wolfgang R Sperr
- Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria; Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
| | - Georg Greiner
- Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria; Department of Laboratory Medicine, Medical University of Vienna, and Ihr Labor, Vienna, Austria
| | - Karl Sotlar
- Institute of Pathology, University Hospital Salzburg, Paracelsus Medical University, Salzburg, Austria
| | - Hanneke C Kluin-Nelemans
- Department of Haematology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Juliana Schwaab
- Department of Hematology and Oncology, University Hospital Mannheim, Mannheim, Germany
| | - Magdalena Lange
- Department of Dermatology, Venereology and Allergology, Medical University of Gdansk, Gdansk, Poland
| | - Tracy I George
- Department of Pathology, University of Utah, Salt Lake City, Utah
| | - Frank Siebenhaar
- Institute of Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt - Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and Immunology, Berlin, Germany
| | - Sigurd Broesby-Olsen
- Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark
| | - Mohamad Jawhar
- Department of Hematology and Oncology, University Hospital Mannheim, Mannheim, Germany
| | - Boguslaw Nedoszytko
- Department of Dermatology, Venereology and Allergology, Medical University of Gdansk, Gdansk, Poland; Invicta Fertility and Reproductive Center, Molecular Laboratory, Sopot, Poland
| | - Mariana Castells
- Division of Allergy and Immunology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Mass
| | - Alberto Orfao
- Servicio Central de Citometria, Centro de Investigacion del Cancer (IBMCC; CSIC/USAL), Instituto Biosanitario de Salamanca (IBSAL), CIBERONC and Department of Medicine, University of Salamanca, Salamanca, Spain
| | - Jason Gotlib
- Stanford Cancer Institute/Stanford University School of Medicine, Stanford, Calif
| | - Andreas Reiter
- Department of Hematology and Oncology, University Hospital Mannheim, Mannheim, Germany
| | - Hans-Peter Horny
- Institute of Pathology, Ludwig-Maximilians-University, Munich, Germany
| | - Massimo Triggiani
- Division of Allergy and Clinical Immunology, University of Salerno, Salerno, Italy
| | - Michel Arock
- Department of Hematological Biology, Pitié-Salpêtrière Hospital, Pierre et Marie Curie University (UPMC), Paris, France
| | - Dean D Metcalfe
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Cem Akin
- Division of Allergy and Clinical Immunology, University of Michigan, Ann Arbor, Mich
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22
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Hamilton MJ, Zhao M, Giannetti MP, Weller E, Hufdhi R, Novak P, Mendoza-Alvarez LB, Hornick J, Lyons JJ, Glover SC, Castells MC, Pozdnyakova O. Distinct Small Intestine Mast Cell Histologic Changes in Patients With Hereditary Alpha-tryptasemia and Mast Cell Activation Syndrome. Am J Surg Pathol 2021; 45:997-1004. [PMID: 33481382 PMCID: PMC8192345 DOI: 10.1097/pas.0000000000001676] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Mast cells (MCs) are important in intestinal homeostasis and pathogen defense but are also implicated in many of the clinical manifestations in disorders such as irritable bowel syndrome. The utility of specific staining for MCs to quantify and phenotype them in intestinal biopsies in patients with gastrointestinal (GI) symptoms is controversial and is not a widely adopted practice. Whether or not intestinal MCs are increased or have a unique phenotype in individuals with hereditary alpha-tryptasemia (HαT), who have extra copies of the MC tryptase gene TPSAB1 and typically elevated baseline serum tryptase levels >8 ng/mL is not known. We examined the duodenal biopsies of 17 patients with HαT and compared them to 15 patients with mast cell activation syndrome who had baseline serum tryptases <8 ng/mL (MCAS-NT) and 12 GI-controls. We determined that the HαT subjects had increased MCs in the duodenum compared with MCAS-NT and GI-controls (median=30.0; interquartile range [IQR]: 20.0 to 40.0 vs. median=15.0; IQR: 5.00 to 20.0; P=0.013 and median=15.0; IQR: 13.8 to 20.0; P=0.004, respectively). These MCs were significantly found in clusters (<15 MCs) and were located throughout the mucosa and submucosa including the superficial villi compared with MCAS-NT and GI-control patients. Spindle-shaped MCs were observed in all groups including controls. These data demonstrate that HαT is associated with increased small intestinal MCs that may contribute to the prevalent GI manifestations observed among individuals with this genetic trait.
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Affiliation(s)
- Matthew J. Hamilton
- Division of Gastroenterology, Hepatology, and Endoscopy, Mastocytosis Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
| | - Melissa Zhao
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
| | - Matthew P. Giannetti
- Division of Allergy and Clinical Immunology, Mastocytosis Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
| | - Emily Weller
- Division of Allergy and Clinical Immunology, Mastocytosis Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
| | - Raied Hufdhi
- Division of Allergy and Clinical Immunology, Mastocytosis Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
| | - Peter Novak
- Department of Neurology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
| | - Lybil B. Mendoza-Alvarez
- Division of Pediatric Gastroenterology, Department of Pediatrics, University of Florida, Gainesville, FL
| | - Jason Hornick
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
| | - Jonathan J. Lyons
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, Bethesda, MD
| | - Sarah C. Glover
- Division of Gastroenterology, Department of Medicine, University of Florida, Gainesville, FL and Division of Digestive Diseases, Department of Medicine, University of Mississippi Medical Center, Jackson, MI
| | - Mariana C. Castells
- Division of Allergy and Clinical Immunology, Mastocytosis Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
| | - Olga Pozdnyakova
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
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Gülen T, Akin C, Bonadonna P, Siebenhaar F, Broesby-Olsen S, Brockow K, Niedoszytko M, Nedoszytko B, Oude Elberink HNG, Butterfield JH, Sperr WR, Alvarez-Twose I, Horny HP, Sotlar K, Schwaab J, Jawhar M, Zanotti R, Nilsson G, Lyons JJ, Carter MC, George TI, Hermine O, Gotlib J, Orfao A, Triggiani M, Reiter A, Hartmann K, Castells M, Arock M, Schwartz LB, Metcalfe DD, Valent P. Selecting the Right Criteria and Proper Classification to Diagnose Mast Cell Activation Syndromes: A Critical Review. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2021; 9:3918-3928. [PMID: 34166845 DOI: 10.1016/j.jaip.2021.06.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 06/05/2021] [Accepted: 06/11/2021] [Indexed: 11/17/2022]
Abstract
In recent years, knowledge about mechanisms underlying mast cell activation (MCA) and accumulation in various pathologic conditions increased substantially. In addition, criteria and a classification of MCA syndromes (MCASs) have been set forth. MCAS is defined by typical clinical symptoms, a substantial increase in serum tryptase level during an attack over the patient's baseline tryptase, and a response of the symptoms to drugs targeting mast cells, mediator production, and/or mediator effects. Alternative diagnostic criteria of MCAS have also been suggested, but these alternative criteria often lack specificity and validation. In this report, we critically review the contemporary literature relating to MCAS and compare the specificity, sensitivity, and strength of MCAS-related parameters within proposals to diagnose and classify MCAS and its variants. Furthermore, we highlight the need to apply specific consensus criteria in the evaluation and classification of MCAS in individual patients. This is an urgent and important medical necessity because as an increasing number of patients are being given a misdiagnosis of MCAS based on nonspecific criteria, which contributes to confusion and frustration by patients and caregivers and sometimes may delay recognition and treatment of correct medical conditions that often turn out to be unrelated to MCA.
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Affiliation(s)
- Theo Gülen
- Department of Respiratory Medicine and Allergy, Karolinska University Hospital Huddinge, Stockholm, Sweden; Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet, Stockholm, Sweden.
| | - Cem Akin
- Division of Allergy and Clinical Immunology, University of Michigan, Ann Arbor, Mich
| | | | - Frank Siebenhaar
- Dermatological Allergology, Department of Dermatology and Allergy, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Sigurd Broesby-Olsen
- Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark
| | - Knut Brockow
- Department of Dermatology and Allergy Biederstein, School of Medicine, Technical University of Munich, Germany
| | - Marek Niedoszytko
- Department of Allergology, Medical University of Gdansk, Gdansk, Poland
| | - Boguslaw Nedoszytko
- Department of Dermatology, Venereology and Allergology, Medical University of Gdansk, Gdansk, Poland; Invicta Fertility and Reproductive Center, Molecular Laboratory, Sopot, Poland
| | - Hanneke N G Oude Elberink
- Department of Allergology, GRIAC Research Institute, University of Groningen, University Medical Center of Groningen, Groningen, The Netherlands
| | | | - Wolfgang R Sperr
- Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria; Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
| | - Ivan Alvarez-Twose
- Instituto de Estudios de Mastocitosis de Castilla La Mancha (CLMast) and CIBERONC, Hospital Virgen del Valle, Toledo, Spain
| | - Hans-Peter Horny
- Institute of Pathology, Ludwig-Maximilian University, Munich, Germany
| | - Karl Sotlar
- Institute of Pathology, Paracelsus Medical University Salzburg, Salzburg, Austria
| | | | - Mohamad Jawhar
- Department of Hematology and Oncology, University Hospital Mannheim, Mannheim, Germany
| | - Roberta Zanotti
- Department of Medicine, Section of Hematology, University of Verona, Verona, Italy
| | - Gunnar Nilsson
- Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet, Stockholm, Sweden
| | - Jonathan J Lyons
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Melody C Carter
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Tracy I George
- Department of Pathology, University of Utah, Salt Lake City, Utah
| | - Olivier Hermine
- Imagine Institute Université Paris Descartes, Sorbonne, Paris Cité, Centre National de Référence des Mastocytoses, Paris, France
| | - Jason Gotlib
- Stanford Cancer Institute/Stanford University School of Medicine, Stanford, Calif
| | - Alberto Orfao
- Servicio Central de Citometria, Centro de Investigacion del Cancer (IBMCC; CSIC/USAL), IBSAL, CIBERONC and Department of Medicine, University of Salamanca, Salamanca, Spain
| | - Massimo Triggiani
- Division of Allergy and Clinical Immunology, University of Salerno, Salerno, Italy
| | - Andreas Reiter
- Department of Hematology and Oncology, University Hospital Mannheim, Mannheim, Germany
| | - Karin Hartmann
- Division of Allergy, Department of Dermatology, University Hospital Basel and University of Basel, Basel, Switzerland; Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Mariana Castells
- Brigham and Women's Hospital, Mastocytosis Center, Harvard Medical School, Boston, Mass
| | - Michel Arock
- Department of Hematological Biology, Pitié-Salpêtrière Hospital, Pierre et Marie Curie University (UPMC), Paris, France
| | - Lawrence B Schwartz
- Department of Internal Medicine, Division of Rheumatology, Allergy, and Immunology, Virginia Commonwealth University, Richmond, Va
| | - Dean D Metcalfe
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Peter Valent
- Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria; Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
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Gotlib J, George TI, Carter MC, Austen KF, Bochner B, Dwyer DF, Lyons JJ, Hamilton MJ, Butterfield J, Bonadonna P, Weiler C, Galli SJ, Schwartz LB, Elberink HO, Maitland A, Theoharides T, Ustun C, Horny HP, Orfao A, Deininger M, Radia D, Jawhar M, Kluin-Nelemans H, Metcalfe DD, Arock M, Sperr WR, Valent P, Castells M, Akin C. Proceedings from the Inaugural American Initiative in Mast Cell Diseases (AIM) Investigator Conference. J Allergy Clin Immunol 2021; 147:2043-2052. [PMID: 33745886 PMCID: PMC9521380 DOI: 10.1016/j.jaci.2021.03.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/28/2021] [Accepted: 03/05/2021] [Indexed: 02/07/2023]
Abstract
The American Initiative in Mast Cell Diseases (AIM) held its inaugural investigator conference at Stanford University School of Medicine in May 2019. The overarching goal of this meeting was to establish a Pan-American organization of physicians and scientists with multidisciplinary expertise in mast cell disease. To serve this unmet need, AIM envisions a network where basic, translational, and clinical researchers could establish collaborations with both academia and biopharma to support the development of new diagnostic methods, enhanced understanding of the biology of mast cells in human health and disease, and the testing of novel therapies. In these AIM proceedings, we highlight selected topics relevant to mast cell biology and provide updates regarding the recently described hereditary alpha-tryptasemia. In addition, we discuss the evaluation and treatment of mast cell activation (syndromes), allergy and anaphylaxis in mast cell disorders, and the clinical and biologic heterogeneity of the more indolent forms of mastocytosis. Because mast cell disorders are relatively rare, AIM hopes to achieve a coordination of scientific efforts not only in the Americas but also in Europe by collaborating with the well-established European Competence Network on Mastocytosis.
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Affiliation(s)
- Jason Gotlib
- Division of Hematology, Stanford University School of Medicine/Stanford Cancer Institute, Stanford, Calif.
| | - Tracy I George
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah
| | - Melody C Carter
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - K Frank Austen
- Department of Medicine, Division of Rheumatology, Immunology and Allergy, Brigham & Women's Hospital, Boston, Mass
| | - Bruce Bochner
- Department of Medicine, Division of Allergy and Immunology, Northwestern University Feinberg School of Medicine, Chicago, Ill
| | - Daniel F Dwyer
- Department of Medicine, Division of Rheumatology, Immunology and Allergy, Brigham & Women's Hospital, Boston, Mass
| | - Jonathan J Lyons
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Matthew J Hamilton
- Division of Gastroenterology, Hepatology and Endoscopy. Brigham and Women's Hospital, Harvard Medical School, Boston, Mass
| | | | | | | | - Stephen J Galli
- Department of Pathology, Stanford University School of Medicine, Stanford, Calif; Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, Calif
| | - Lawrence B Schwartz
- Department of Internal Medicine, Division of Rheumatology, Allergy and Immunology, Virginia Commonwealth University, Richmond, Va
| | - Hanneke Oude Elberink
- Internal Medicine, Section Allergology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Anne Maitland
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | | | - Celalettin Ustun
- Division of Hematology, Oncology and Cellular Therapy, Department of Medicine, Rush University, Chicago, Ill
| | - Hans-Peter Horny
- Institute of Pathology, Ludwig-Maximilian-University, Munich, Germany
| | - Alberto Orfao
- Servicio Central de Citometria, Centro de Investigacion del Cancer (IBMCC, CSIC/USAL), IBSAL, CIBERONC and Department of Medicine, University of Salamanca, Salamanca, Germany
| | - Michael Deininger
- Division of Hematology and Hematologic Malignancies, The University of Utah, and Huntsman Cancer Institute, Salt Lake City, Utah
| | - Deepti Radia
- Department of Clinical Haematology, Guys and St Thomas' NHS Hospitals, London, United Kingdom
| | - Mohamad Jawhar
- University Hospital Mannheim, Heidelberg University, Mannheim, Germany
| | - Hanneke Kluin-Nelemans
- Department of Haematology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Dean D Metcalfe
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Michel Arock
- Laboratory of Haematology, Pitié-Salpêtrière Hospital, Paris, France
| | - Wolfgang R Sperr
- Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria; Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
| | - Peter Valent
- Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria; Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
| | - Mariana Castells
- Brigham and Women's Hospital, Division of Allergy and Clinical Immunology, Boston, Mass; Harvard Medical School, Boston, Mass
| | - Cem Akin
- Division of Allergy and Immunology, University of Michigan, Ann Arbor, Mich
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Nicoloro SantaBarbara J, Lobel M. Depression, psychosocial correlates, and psychosocial resources in individuals with mast cell activation syndrome. J Health Psychol 2021; 27:2013-2026. [PMID: 34000855 PMCID: PMC10103633 DOI: 10.1177/13591053211014583] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Individuals with Mast Cell Activation Syndrome (MCAS), a rare chronic disease, experience unpredictable physical symptoms and diagnostic challenges resulting in poor emotional states. The prevalence and correlates of depressive symptoms were examined among 125 participants who completed the CES-D and relevant instruments. The majority reported a clinically-significant level of depression which was especially common among younger participants and those who reported greater loneliness or more disease-specific stressors. Greater magnitude of depressive symptoms was associated with greater illness intrusiveness, less social support, and lower optimism. Results highlight the value of interventions targeting loneliness and stressors unique to this population.
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26
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Giannetti MP, Akin C, Castells M. Idiopathic Anaphylaxis: A Form of Mast Cell Activation Syndrome. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2021; 8:1196-1201. [PMID: 32276688 DOI: 10.1016/j.jaip.2019.10.048] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 10/22/2019] [Accepted: 10/29/2019] [Indexed: 12/18/2022]
Abstract
Idiopathic anaphylaxis is a condition caused by paroxysmal episodes of sudden-onset multiorgan involvement variably including laryngeal edema, urticaria, bronchoconstriction, dyspnea, hypoxia, abdominal pain, nausea, vomiting, diarrhea, and hypotension. Rarely, the episodes can lead to cardiovascular collapse and death in the absence of a clear trigger, especially in the presence of other cardiovascular comorbidities. Elevated mast cell mediators such as tryptase and histamine have been reported during episodes, and mast cells are considered the primary cells responsible for driving anaphylaxis in humans. Basophils also secrete histamine and LTC4 when activated and theoretically can contribute to symptoms. As our understanding of mast cell disorders continue to grow, the classification for these disorders evolves. The purpose of this article was 2-fold: to review the epidemiology, clinical manifestations, and diagnosis of idiopathic anaphylaxis and to discuss the classification of idiopathic anaphylaxis within the broader context of mast cell activation disorders.
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Affiliation(s)
- Matthew P Giannetti
- Brigham and Women's Hospital, Division of Allergy and Clinical Immunology, Boston, Mass; Harvard Medical School, Boston, Mass.
| | - Cem Akin
- Division of Allergy and Immunology, University of Michigan, Ann Arbor, Mich
| | - Mariana Castells
- Brigham and Women's Hospital, Division of Allergy and Clinical Immunology, Boston, Mass; Harvard Medical School, Boston, Mass
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Weinstock LB, Pace LA, Rezaie A, Afrin LB, Molderings GJ. Mast Cell Activation Syndrome: A Primer for the Gastroenterologist. Dig Dis Sci 2021; 66:965-982. [PMID: 32328892 DOI: 10.1007/s10620-020-06264-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 04/08/2020] [Indexed: 02/06/2023]
Abstract
Mast cell activation syndrome is thought to be a common, yet under-recognized, chronic multi-system disorder caused by inappropriate mast cell activation. Gastrointestinal symptoms are frequently reported by these patients and are often mistaken by physicians as functional gastrointestinal disorders. This syndrome can be diagnosed by the medical history and measurable biomarkers. Gastroenterologists manage diseases associated with active inflammatory cells including neutrophils, lymphocytes, macrophages, and eosinophils. The mast cell has only recently been recognized as a major player in our specialty. Gastrointestinal disorders from mast cell mediators often present with apparent irritable bowel syndrome, dyspepsia, chronic or cyclical nausea, and heartburn. Individuals with mast cell activation syndrome experience significant delays in diagnosis. The gastrointestinal symptoms are often refractory to symptom-targeted prescription medications. Beyond avoiding triggers, the best therapy is directed at modulating mast cell activation and the effects of the mediators. Many of these therapies are simple over-the-counter medications. In this article, we review mast cell function and dysfunction and the gastrointestinal symptoms, comorbid conditions, diagnosis, and management of mast cell activation syndrome. Gastroenterologists who become aware of this syndrome can dramatically improve the quality of life for their patients who previously have been labeled with a functional gastrointestinal disorder.
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Affiliation(s)
- Leonard B Weinstock
- Specialists in Gastroenterology, 11525 Olde Cabin Rd, St. Louis, MO, 63141, USA.
| | - Laura A Pace
- Division of Gastroenterology, Department of Internal Medicine, University of Utah, 30 N 1900 E, SOM 4R118, Salt Lake City, UT, 84132, USA
| | - Ali Rezaie
- Cedars-Sinai Medical Center, Gastroenterology, 8730 Alden Dr., Suite 204E, Los Angeles, CA, 90048, USA
| | - Lawrence B Afrin
- Armonk Integrative Medicine, Hematology/Oncology, 3010 Westchester Avenue, Suite 401, Armonk, NY, 10577, USA
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28
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Patients with mast cell activation symptoms and elevated baseline serum tryptase level have unique bone marrow morphology. J Allergy Clin Immunol 2021; 147:1497-1501.e1. [DOI: 10.1016/j.jaci.2020.11.017] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 11/13/2020] [Accepted: 11/18/2020] [Indexed: 12/12/2022]
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Berger AE, Durrieu C, Dzviga C, Perrot JL, Lambert C. Human peripheral basophils extended phenotype shows a high expression of CD244 immuno-regulatory receptor. J Immunol Methods 2021; 492:112951. [PMID: 33493550 DOI: 10.1016/j.jim.2020.112951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 12/16/2020] [Accepted: 12/16/2020] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Basophils play a major physio-pathological role in hypersensitivity related diseases. Basophils express high affinity Immunoglobulin (Ig) E receptors (FcεRI), IgG and complement regulatory. Basophils also have immunoregulatory activity through interaction with T cells. The aim of this study was to look for the expression of markers reflecting the activation status of peripheral Basophil in healthy donors. METHOD the study was performed on 29 healthy donors, 62% females with a mean age of 50.1 + 17.0 years. Basophils were identified on their expression of CD123 without HLA-DR and/or CD193 in two 8 colors panels including CD46, CD55, CD59, CD203c, CD32 (FcγRII), CD64 (FcγRIII), CD163, CD137L (4-1BBL), CD252 (OX40L), CD244 (2B4) and CD3 on whole blood. Basophil activation with anti IgE was performed on 14 donors. RESULTS AND DISCUSSION Our results confirmed the Basophil expression of CD123, CD193 and CD203 (the latter is strongly increased under stimulation). Complement regulatory proteins (CD46, CD55, CD59) were expressed at the same levels as on other leukocytes; CD46, CD59 expression being slightly increased under stimulation. CD32 and CD163 scavenger were slightly higher than on lympho and not influenced by activation. CD252 or CD137L were expressed at low levels and significantly induced by stimulation. Most of all, CD244 was highly expressed on Basophils as compared to any other leukocytes in fresh peripheral blood. CONCLUSIONS Our study shows that human resting Basophils express IgE and IgG Fc receptors and check point receptor CD244 that could potentially play a role in their previously reported immunoregulatory activity in sensitization and even in tumor immune escape.
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Affiliation(s)
- Anne-Emmanuelle Berger
- Immunology laboratory, University Hospital Saint-Etienne, 42055 Saint-Etienne, Cedex 2, France
| | - Coralie Durrieu
- Immunology laboratory, University Hospital Saint-Etienne, 42055 Saint-Etienne, Cedex 2, France
| | - Charles Dzviga
- Allergology unit, University Hospital Saint-Etienne, 42055 Saint-Etienne, Cedex 2, France
| | - Jean-Luc Perrot
- Dermatology department, University Hospital Saint-Etienne, 42055 Saint-Etienne, Cedex 2, France
| | - Claude Lambert
- Immunology laboratory, University Hospital Saint-Etienne, 42055 Saint-Etienne, Cedex 2, France; Allergology unit, University Hospital Saint-Etienne, 42055 Saint-Etienne, Cedex 2, France.
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Hereditary alpha-tryptasemia in 101 patients with mast cell activation-related symptomatology including anaphylaxis. Ann Allergy Asthma Immunol 2021; 126:655-660. [PMID: 33465452 DOI: 10.1016/j.anai.2021.01.016] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 12/07/2020] [Accepted: 01/08/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND Hereditary alpha-tryptasemia (HαT) is an autosomal dominant genetic trait characterized by multiple copies of the alpha-tryptase gene at the TPSAB1 locus. Previously described symptomatology involves multiple organ systems and anaphylaxis. The spectrum of mast cell activation symptoms is unknown, as is its association with specific genotypes. OBJECTIVE To describe clinical, laboratory, and genetic characteristics of patients referred for the evaluation of mast cell activation-related symptoms and genotype-confirmed HαT. METHODS We retrospectively describe clinical characteristics, baseline tryptase, and tryptase genotype in 101 patients. Patients were referred for mast cell activation-related symptoms and underwent genotyping to confirm diagnosis of HαT. RESULTS Of 101 patients, 80% were female with average tryptase of 17.2 ng/mL. Tryptase was less than 11.4 ng/mL in 8.9% and greater than 20 ng/mL in 22.3% (range 6.2-51.3 ng/mL). KIT D816V mutation was negative in all subjects tested. 2α:3β was the most common genotype but did not correlate with tryptase levels. Unprovoked anaphylaxis was noted in 57% of the subjects with heterogeneous genotypes. Most common symptoms include gastrointestinal, cutaneous, psychiatric, pulmonary, cardiovascular, and neurologic. A total of 85% of patients were taking H1- or H2-antihistamines with partial symptom relief. Omalizumab was effective at suppressing anaphylaxis or urticaria in 94% of the patients. CONCLUSION HαT encompasses a broad range of baseline tryptase and should be considered in patients with symptoms of mast cell activation and tryptase levels greater than 6.2 ng/mL. Patients may present with complex symptomatology including cutaneous, gastrointestinal, neurologic, and psychiatric symptoms and anaphylaxis, some of which respond to omalizumab.
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Mast Cell Biology and Linkages for Non-clonal Mast Cell Activation and Autoimmune/Inflammatory Syndrome Induced by Adjuvants. ACTA ACUST UNITED AC 2020. [DOI: 10.1007/s42399-020-00494-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Wang Y, Du J, Jin H, Liao Y. Comorbidity of Neurally Mediated Syncope and Allergic Disease in Children. Front Immunol 2020; 11:1865. [PMID: 32983103 PMCID: PMC7485378 DOI: 10.3389/fimmu.2020.01865] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 07/10/2020] [Indexed: 11/13/2022] Open
Abstract
Neurally mediated syncope (NMS) is the most common underlying disease of pediatric syncope, which generally includes vasovagal syncope (VVS), postural tachycardia syndrome (POTS), and situational syncope. Allergic diseases involving the respiratory system, digestive system, skin, and other systems are prevalent in children. In recent years, increasing attention has been paid to children with the comorbidity of NMS and allergic diseases. This article reviews the featured clinical manifestations and pathogenesis of the comorbidity according to the progress of related studies. Clinical studies have shown that the comorbidity rate of pediatric VVS and/or POTS with allergic diseases amounts to ~30-40%, referring to the whole population of children with VVS and/or POTS. Additionally, children with the comorbidity present some relatively special clinical characteristics. A series of mechanisms or regulatory factors relating to allergies, such as the imbalance of vasoactive elements, dysfunction of the autonomic nervous system (ANS), and autoimmunity may play a role in the development of the comorbidity. Moreover, 90% of children with cough syncope, a type of situational syncope, have a history of asthma, indicating a potential relationship between asthma and NMS. Further studies exploring the clinical characteristics and pathogenesis of the comorbidity are still needed to aid in the diagnosis and treatment of children with NMS.
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Affiliation(s)
- Yaru Wang
- Department of Pediatrics, Peking University First Hospital, Beijing, China
- Research Unit of Clinical Diagnosis and Treatment of Pediatric Syncope and Cardiovascular Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Junbao Du
- Department of Pediatrics, Peking University First Hospital, Beijing, China
| | - Hongfang Jin
- Department of Pediatrics, Peking University First Hospital, Beijing, China
- Research Unit of Clinical Diagnosis and Treatment of Pediatric Syncope and Cardiovascular Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Ying Liao
- Department of Pediatrics, Peking University First Hospital, Beijing, China
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Lee AYS. Elevated Serum Tryptase in Non-Anaphylaxis Cases: A Concise Review. Int Arch Allergy Immunol 2020; 181:357-364. [PMID: 32126554 DOI: 10.1159/000506199] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 01/27/2020] [Indexed: 11/19/2022] Open
Abstract
One of the most important blood tests in the field of allergy, mast cell tryptase has numerous diagnostic uses, particularly for anaphylactic reactions and for the diagnosis of mastocytosis. However, there are numerous other non-anaphylactic conditions where clinicians may see elevated serum tryptase (hypertryptasemia) and the practicing clinician ought to be aware of these important differential diagnoses. Such conditions include systemic mastocytosis, hematological malignancies, and chronic kidney disease. This article provides a comprehensive, updated summary on the variety of non-anaphylactic conditions where hypertryptasemia may be seen.
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Affiliation(s)
- Adrian Y S Lee
- Department of Allergy/Clinical Immunology and SA Pathology, Flinders Medical Centre, Bedford Park, South Australia, Australia, .,College of Medicine and Public Health, Flinders University, Bedford Park, South Australia, Australia,
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Weiler CR. Mast Cell Activation Syndrome: Tools for Diagnosis and Differential Diagnosis. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2020; 8:498-506. [DOI: 10.1016/j.jaip.2019.08.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 07/30/2019] [Accepted: 08/07/2019] [Indexed: 02/07/2023]
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Cimolai N. Comparing histamine intolerance and non-clonal mast cell activation syndrome. Intest Res 2020; 18:134-135. [PMID: 32013319 PMCID: PMC7000637 DOI: 10.5217/ir.2019.00087] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 08/07/2019] [Indexed: 02/01/2023] Open
Affiliation(s)
- Nevio Cimolai
- Department of Pathology and Laboratory Medicine, The University of British Columbia, Vancouver, BC, Canada.,Department of Pathology and Laboratory Medicine, Children's and Women's Health Centre of British Columbia, Vancouver, BC, Canada
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Landy RE, Stross WC, May JM, Kaleem TA, Malouff TD, Waddle MR, Vallow LA. Idiopathic mast cell activation syndrome and radiation therapy: a case study, literature review, and discussion of mast cell disorders and radiotherapy. Radiat Oncol 2019; 14:222. [PMID: 31818306 PMCID: PMC6902562 DOI: 10.1186/s13014-019-1434-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 12/02/2019] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Mast Cell Activation Syndrome (MCAS) is classified as an idiopathic mast cell disorder where inconsistent or unknown triggers release inflammatory mediators and cause a constellation of symptoms. Studies demonstrate mast cells increase histamine, tryptase, and inflammatory cytokine expression following ionizing radiation. Additionally, there are cases of cutaneous mastocytosis developing within the initial radiation field suggesting mast cells play a role in local tissue reactions. Literature is sparse on radiation induced toxicity in patients with mast cell disorders. CASE PRESENTATION A 62 year old female patient with a history of MCAS received breast conservation therapy for invasive lobular carcinoma of the left breast initially AJCC 7th Stage IIB, pT3 pN0 M0. The patient underwent external beam radiotherapy (EBRT) and received 4500 cGy to the left whole breast, followed by a 1000 cGy boost to the lumpectomy cavity. She developed grade 1 radiation dermatitis. Two years later she progressed distantly and received stereotactic body radiation therapy to a lumbar vertebrae lesion to a dose of 2400 cGy in a single fraction. She developed no in-field dermatologic or systemic flare in her MCAS symptoms during radiation therapy. CONCLUSIONS To our knowledge there are no reported cases in the literature of patients diagnosed with MCAS or other idiopathic mast cell disorders undergoing radiation therapy. Idiopathic mast cell disorders such as MCAS and primary mast cell disorders alike should not be considered a contraindication to treatment with EBRT. This patient population appears to tolerate treatment without systemic flares in symptoms.
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Affiliation(s)
- Robin E Landy
- Florida State University College of Medicine, 1115 W Call St, Tallahassee, FL, 32304, USA
| | - William C Stross
- Department of Radiation Oncology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL, 32224, USA.
| | - Jackson M May
- Department of Radiation Oncology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL, 32224, USA
| | - Tasneem A Kaleem
- Department of Radiation Oncology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL, 32224, USA
| | - Timothy D Malouff
- Department of Radiation Oncology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL, 32224, USA
| | - Mark R Waddle
- Department of Radiation Oncology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL, 32224, USA
| | - Laura A Vallow
- Department of Radiation Oncology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL, 32224, USA
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Madelon A, Boccon-Gibod I, Mansard C, Deroux A, Bocquet A, Bouillet L. Mast cell activation diseases and chronic spontaneous urticaria: Common points and differences. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2019; 8:1121-1123.e1. [PMID: 31568929 DOI: 10.1016/j.jaip.2019.09.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 09/12/2019] [Accepted: 09/15/2019] [Indexed: 11/19/2022]
Affiliation(s)
- Aurélie Madelon
- Internal Medicine and Clinical Immunology Department, CREAK, Grenoble Alpes University Hospital, Grenoble, France
| | - Isabelle Boccon-Gibod
- Internal Medicine and Clinical Immunology Department, CREAK, Grenoble Alpes University Hospital, Grenoble, France
| | - Catherine Mansard
- Internal Medicine and Clinical Immunology Department, CREAK, Grenoble Alpes University Hospital, Grenoble, France
| | - Alban Deroux
- Internal Medicine and Clinical Immunology Department, CREAK, Grenoble Alpes University Hospital, Grenoble, France
| | - Alexis Bocquet
- Internal Medicine and Clinical Immunology Department, CREAK, Grenoble Alpes University Hospital, Grenoble, France
| | - Laurence Bouillet
- Internal Medicine and Clinical Immunology Department, CREAK, Grenoble Alpes University Hospital, Grenoble, France.
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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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Coeliac Disease and Mast Cells. Int J Mol Sci 2019; 20:ijms20143400. [PMID: 31373285 PMCID: PMC6678566 DOI: 10.3390/ijms20143400] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 07/05/2019] [Accepted: 07/08/2019] [Indexed: 01/01/2023] Open
Abstract
Over the last decades, there has been an impressive progress in our understanding of coeliac disease pathogenesis and it has become clear that the disorder is the final result of complex interactions of environmental, genetic, and immunological factors. Coeliac disease is now considered a prototype of T-cell-mediated disease characterized by loss of tolerance to dietary gluten and the targeted killing of enterocytes by T-cell receptor αβ intraepithelial lymphocytes. Accumulating evidence, however, indicates that the induction of a gluten-specific T helper-1 response must be preceded by the activation of the innate immune system. Mast cells are key players of the innate immune response and contribute to the pathogenesis of a multitude of diseases. Here, we review the results of studies aimed at investigating the role of mast cells in the pathogenesis of coeliac disease, showing that these cells increase in number during the progression of the disease and contribute to define a pro-inflammatory microenvironment.
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Valent P, Bonadonna P, Hartmann K, Broesby-Olsen S, Brockow K, Butterfield JH, Triggiani M, Lyons JJ, Oude Elberink JNG, Arock M, Metcalfe DD, Akin C. Why the 20% + 2 Tryptase Formula Is a Diagnostic Gold Standard for Severe Systemic Mast Cell Activation and Mast Cell Activation Syndrome. Int Arch Allergy Immunol 2019; 180:44-51. [PMID: 31256161 DOI: 10.1159/000501079] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 05/20/2019] [Indexed: 12/16/2022] Open
Abstract
Mast cell activation syndrome (MCAS) is a condition characterized by recurrent episodes of clinically relevant, systemic, severe reactions to mast cell (MC)-derived mediators released in the context of anaphylaxis or another acute MC-related event. It is important to document MC involvement in these reactions in order to establish the diagnosis MCAS. The most specific and reliable marker of systemic MC activation is an acute and substantial event-related (transient) increase in the serum tryptase level over the individual's baseline value. However, the baseline level of tryptase varies depending on the underlying disease and the genetic background. For example, an estimated 3-5% of healthy individuals exhibit duplications or multiple copies of the TPSAB1 gene encoding for alpha-tryptase, and over 30% of all patients with myeloid neoplasms, including mastocytosis, have elevated basal tryptase levels. Therefore, it is of utmost importance to adjust the event-related diagnostic (MCAS-confirming) increase in tryptase over the individual baseline in a robust approach. To address this challenge, the 20% + 2 formula was proposed by the consensus group in 2012. Since then, this approach has been validated in clinical practice by independent groups and found to be sound. In the current article, we discuss the emerging importance and value of the 20% + 2 formula in clinical practice and its role as a criterion of severe systemic MC activation and MCAS.
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Affiliation(s)
- Peter Valent
- Department of Internal Medicine I, Division of Hematology and Hemostaseology, and Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria,
| | | | - Karin Hartmann
- Division of Allergy, Department of Dermatology, University of Basel, Basel, Switzerland
| | - Sigurd Broesby-Olsen
- Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark
| | - Knut Brockow
- Department of Dermatology and Allergy Biederstein, Technical University of Munich, Munich, Germany
| | | | - Massimo Triggiani
- Division of Allergy and Clinical Immunology, University of Salerno, Salerno, Italy
| | - Jonathan J Lyons
- Laboratory of Allergic Diseases, NIAID, NIH, Bethesda, Maryland, USA
| | - Joanna N G Oude Elberink
- Department of Allergology, University Medical Center of Groningen, University of Groningen, Groningen, The Netherlands
| | - Michel Arock
- Department of Hematological Biology, Pitié-Salpêtrière Hospital, Pierre et Marie Curie University (UPMC), Paris, France
| | - Dean D Metcalfe
- Laboratory of Allergic Diseases, NIAID, NIH, Bethesda, Maryland, USA
| | - Cem Akin
- Division of Allergy and Clinical Immunology, University of Michigan, Ann Arbor, Michigan, USA
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Theoharides TC, Tsilioni I, Ren H. Recent advances in our understanding of mast cell activation - or should it be mast cell mediator disorders? Expert Rev Clin Immunol 2019; 15:639-656. [PMID: 30884251 PMCID: PMC7003574 DOI: 10.1080/1744666x.2019.1596800] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 03/14/2019] [Indexed: 02/07/2023]
Abstract
INTRODUCTION An increasing number of patients present with multiple symptoms affecting many organs including the brain due to multiple mediators released by mast cells. These unique tissue immune cells are critical for allergic reactions triggered by immunoglobulin E (IgE), but are also stimulated (not activated) by immune, drug, environmental, food, infectious, and stress triggers, leading to secretion of multiple mediators often without histamine and tryptase. The presentation, diagnosis, and management of the spectrum of mast cell disorders are very confusing. As a result, neuropsychiatric symptoms have been left out, and diagnostic criteria made stricter excluding most patients. Areas covered: A literature search was performed on papers published between January 1990 and November 2018 using MEDLINE. Terms used were activation, antihistamines, atopy, autism, brain fog, heparin, KIT mutation, IgE, inflammation, IL-6, IL-31, IL-37, luteolin, mast cells, mastocytosis, mediators, mycotoxins, release, secretion, tetramethoxyluteolin, and tryptase. Expert opinion: Conditions associated with elevated serum or urine levels of any mast cell mediator, in the absence of comorbidities that could explain elevated levels, should be considered 'Mast Cell Mediator Disorders (MCMD).' Emphasis should be placed on the identification of unique mast cell mediators, and development of drugs or supplements that inhibit their release.
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Affiliation(s)
- Theoharis C. Theoharides
- Molecular Immunopharmacology and Drug Discovery Laboratory, Department of Immunology, Tufts University School of Medicine, Boston, MA, USA
- Sackler School of Graduate Biomedical Sciences, Tufts University School of Medicine, Boston, MA, USA
- Department of Internal Medicine, Tufts University School of Medicine and Tufts Medical Center, Boston, MA, USA
- Department of Psychiatry, Tufts University School of Medicine and Tufts Medical Center, Boston, MA, USA
| | - Irene Tsilioni
- Molecular Immunopharmacology and Drug Discovery Laboratory, Department of Immunology, Tufts University School of Medicine, Boston, MA, USA
| | - Huali Ren
- Department of Otolaryngology, Beijing Electric Power Hospital, Beijing, China
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Greenberger PA, Metcalfe DD. Controversies in Allergy: Is a Bone Marrow Biopsy Optional or Essential in the Evaluation of the Patient with a Suspected Mast Cell Disorder? THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2019; 7:1134-1138. [DOI: 10.1016/j.jaip.2018.11.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 11/16/2018] [Accepted: 11/19/2018] [Indexed: 01/08/2023]
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Castells M, Butterfield J. Mast Cell Activation Syndrome and Mastocytosis: Initial Treatment Options and Long-Term Management. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2019; 7:1097-1106. [DOI: 10.1016/j.jaip.2019.02.002] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 02/04/2019] [Accepted: 02/04/2019] [Indexed: 02/06/2023]
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Valent P, Akin C, Bonadonna P, Hartmann K, Brockow K, Niedoszytko M, Nedoszytko B, Siebenhaar F, Sperr WR, Oude Elberink JNG, Butterfield JH, Alvarez-Twose I, Sotlar K, Reiter A, Kluin-Nelemans HC, Hermine O, Gotlib J, Broesby-Olsen S, Orfao A, Horny HP, Triggiani M, Arock M, Schwartz LB, Metcalfe DD. Proposed Diagnostic Algorithm for Patients with Suspected Mast Cell Activation Syndrome. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2019; 7:1125-1133.e1. [PMID: 30737190 DOI: 10.1016/j.jaip.2019.01.006] [Citation(s) in RCA: 133] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 12/31/2018] [Accepted: 01/05/2019] [Indexed: 12/18/2022]
Abstract
Mast cell activation (MCA) accompanies diverse physiologic and pathologic processes and is one of the more frequently encountered conditions in medicine. MCA-related symptoms are usually mild and often transient. In such cases, histamine receptor blockers and other mediator-targeting drugs can usually control MCA. In severe cases, an MCA syndrome (MCAS) may be diagnosed. However, overt MCAS is an unusual condition, and many patients referred because of suspected MCAS are diagnosed with other diseases (autoimmune, neoplastic, or infectious) unrelated to MCA or suffer from MCA-related (eg, allergic) disorders and/or comorbidities without fulfilling criteria of an overt MCAS. These considerations are important as more and more patients are informed that they may have MCA or even MCAS without completing a thorough medical evaluation. In fact, in several instances, symptoms are misinterpreted as MCA/MCAS, and other clinically relevant conditions are not thoroughly pursued. The number of such referrals is increasing. To avoid such unnecessary referrals and to prevent misdiagnoses, we here propose a diagnostic algorithm through which a clinically relevant (systemic) MCA can be suspected and MCAS can subsequently be documented or excluded. In addition, the algorithm proposed should help guide the investigating care providers to consider the 2 principal diagnoses that may underlie MCAS, namely, severe allergy and systemic mastocytosis accompanied by severe MCA. Although validation is required, we anticipate that this algorithm will facilitate the management of patients with suspected MCAS.
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Affiliation(s)
- Peter Valent
- Department of Internal Medicine I, Division of Hematology & Hemostaseology, Medical University of Vienna, Vienna, Austria.
| | - Cem Akin
- Division of Allergy and Clinical Immunology, University of Michigan, Ann Arbor, Mich
| | | | - Karin Hartmann
- Department of Dermatology, University of Luebeck, Luebeck, Germany
| | - Knut Brockow
- Department of Dermatology and Allergy Biederstein, Technical University of Munich, Munich, Germany
| | - Marek Niedoszytko
- Department of Allergology, Medical University of Gdansk, Gdansk, Poland
| | | | - Frank Siebenhaar
- Department of Dermatology & Allergy, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Wolfgang R Sperr
- Department of Internal Medicine I, Division of Hematology & Hemostaseology, Medical University of Vienna, Vienna, Austria
| | - Joanna N G Oude Elberink
- Department of Allergology, University Medical Center of Groningen, University of Groningen, Groningen, The Netherlands
| | | | - Ivan Alvarez-Twose
- Instituto de Estudios de Mastocitosis de Castilla La Mancha (CLMast) and CIBERONC, Hospital Virgen del Valle, Toledo, Spain
| | - Karl Sotlar
- Institute of Pathology, Paracelsus Medical University Salzburg, Salzburg, Austria
| | - Andreas Reiter
- III. Medizinische Klinik, Universitäts-Medizin Mannheim, Universität Heidelberg, Mannheim, Germany
| | - Hanneke C Kluin-Nelemans
- Department of Haematology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Olivier Hermine
- Imagine Institute Université Paris Descartes, Sorbonne, Paris Cité, Centre national de référence des mastocytoses, Paris, France
| | - Jason Gotlib
- Stanford Cancer Institute/Stanford University School of Medicine, Stanford, Calif
| | - Sigurd Broesby-Olsen
- Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark
| | - Alberto Orfao
- Servicio Central de Citometria, Centro de Investigacion del Cancer (IBMCC; CSIC/USAL), IBSAL, CIBERONC and Department of Medicine, University of Salamanca, Salamanca, Spain
| | - Hans-Peter Horny
- Institute of Pathology, Ludwig-Maximilian University, Munich, Germany
| | - Massimo Triggiani
- Division of Allergy and Clinical Immunology, University of Salerno, Salerno, Italy
| | - Michel Arock
- Department of Hematological Biology, Pitié-Salpêtrière Hospital, Pierre et Marie Curie University (UPMC), Paris, France
| | - Lawrence B Schwartz
- Department of Internal Medicine, Division of Rheumatology, Allergy & Immunology, Virginia Commonwealth University, Richmond, Va
| | - Dean D Metcalfe
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
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Hsieh FH. Gastrointestinal Involvement in Mast Cell Activation Disorders. Immunol Allergy Clin North Am 2018; 38:429-441. [DOI: 10.1016/j.iac.2018.04.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Abstract
Patients who present with typical features of mast cell activation with laboratory confirmation and without evidence of a clonal mast cell disorder or other medical condition should be initiated on medical treatment to block mast cells and their mediators. If a major response is achieved, a diagnosis of nonclonal mast cell activation syndrome (NC-MCAS) is likely and treatment should be optimized, including management of any associated conditions. In this review, the latest evidence with regard to the diagnosis and treatment of NC-MCAS is presented.
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Rastogi V, Singh D, Mazza JJ, Parajuli D, Yale SH. Flushing Disorders Associated with Gastrointestinal Symptoms: Part 1, Neuroendocrine Tumors, Mast Cell Disorders and Hyperbasophila. Clin Med Res 2018; 16:16-28. [PMID: 29650525 PMCID: PMC6108509 DOI: 10.3121/cmr.2017.1379a] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 11/30/2017] [Accepted: 12/21/2017] [Indexed: 02/08/2023]
Abstract
Flushing is the subjective sensation of warmth accompanied by visible cutaneous erythema occurring throughout the body with a predilection for the face, neck, pinnae, and upper trunk where the skin is thinnest and cutaneous vessels are superficially located and in greatest numbers. Flushing can be present in either a wet or dry form depending upon whether neural-mediated mechanisms are involved. Activation of the sympathetic nervous system results in wet flushing, accompanied by diaphoresis, due to concomitant stimulation of eccrine sweat glands. Wet flushing is caused by certain medications, panic disorder and paroxysmal extreme pain disorder (PEPD). Vasodilator mediated flushing due to the formation and release of a variety of biogenic amines, neuropeptides and phospholipid mediators such as histamine, serotonin and prostaglandins, respectively, typically presents as dry flushing where sweating is characteristically absent. Flushing occurring with neuroendocrine tumors accompanied by gastrointestinal symptoms is generally of the dry flushing variant, which may be an important clinical clue to the differential diagnosis. A number of primary diseases of the gastrointestinal tract cause flushing, and conversely extra-intestinal conditions are associated with flushing and gastrointestinal symptoms. Gastrointestinal findings vary and include one or more of the following non-specific symptoms such as abdominal pain, nausea, vomiting, diarrhea or constipation. The purpose of this review is to provide a focused comprehensive discussion on the presentation, pathophysiology, diagnostic evaluation and management of those diseases that arise from the gastrointestinal tract or other site that may cause gastrointestinal symptoms secondarily accompanied by flushing. This review is divided into two parts given the scope of conditions that cause flushing and affect the gastrointestinal tract: Part 1 covers neuroendocrine tumors (carcinoid, pheochromocytomas, vasoactive intestinal polypeptide, medullary carcinoma of the thyroid), polyneuropathy, organomegaly, endocrinopathy, monoclonal protein, skin changes (POEMS), and conditions involving mast cells and basophils; while Part 2 covers dumping syndrome, mesenteric traction syndrome, rosacea, hyperthyroidism and thyroid storm, anaphylaxis, panic disorders, paroxysmal extreme pain disorder, and food, alcohol and medications.
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Affiliation(s)
- Vaibhav Rastogi
- University of Central Florida College of Medicine/HCA Consortium Graduate Medical Education, North Florida Regional Medical Center, 6500 W Newberry Rd, Gainesville, FL 32605
- University of Central Florida College of Medicine, 6850 Lake Nona Blvd, Orlando, FL 32827
| | - Devina Singh
- Feinstein Institute for Medical Research, 350 Community Dr. Manhasset, NY 11030
| | - Joseph J Mazza
- Marshfield Clinic Research Institute, 1000 North Oak Avenue, Marshfield, WI 54449
| | - Dipendra Parajuli
- University of Louisville, Department of Medicine, Gastroenterology, Hepatology and Nutrition. Director, Fellowship Training Program, Director, Medical Procedure Unit Louisville VAMC 401 East Chestnut Street, Louisville, KY 40202
| | - Steven H Yale
- University of Central Florida College of Medicine/HCA Consortium Graduate Medical Education, North Florida Regional Medical Center, 6500 W Newberry Rd, Gainesville, FL 32605.
- University of Central Florida College of Medicine, 6850 Lake Nona Blvd, Orlando, FL 32827
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Doherty TA, White AA. Postural orthostatic tachycardia syndrome and the potential role of mast cell activation. Auton Neurosci 2018; 215:83-88. [PMID: 30033040 DOI: 10.1016/j.autneu.2018.05.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 05/03/2018] [Accepted: 05/03/2018] [Indexed: 12/18/2022]
Abstract
Though a sizeable amount of data connects mast cell activity to the neurologic system, less is known about the true clinical implications of this relationship. Even less is understood about treatment strategies in those with both allergic and neurologic complaints. This is particularly true in postural orthostatic tachycardia syndrome (POTS), a common type of dysautonomia, where patients are burdened by symptoms of orthostatic cerebral hypoperfusion and several other comorbidities that are likely influenced by autonomic tone. Some patients describe characteristic allergic symptoms, in the absence of typical IgE mediated triggers, and also improvement with traditional mast cell directed medications. Further work is necessary to determine whether these anecdotal observations are valid. The answer to this question will likely be addressed as the mechanisms of POTS are better characterized, which may include a phenotype with distinct mast cell involvement.
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Affiliation(s)
- Taylor A Doherty
- Division of Rheumatology, Allergy and Immunology, University of California, San Diego, United States
| | - Andrew A White
- Division of Allergy, Asthma and Immunology, Scripps Clinic, 3811 Valley Centre Drive, S99, San Diego, CA 92130, United States.
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Georgin-Lavialle S, Hentgen V, Stankovic Stojanovic K, Bachmeyer C, Rodrigues F, Savey L, Abbara S, Conan PL, Fraisse T, Delplanque M, Rouet A, Sbeih N, Koné-Paut I, Grateau G. [Familial Mediterranean fever]. Rev Med Interne 2018. [PMID: 29526329 DOI: 10.1016/j.revmed.2018.02.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Familial Mediterranean Fever (FMF) is the most frequent monogenic auto-inflammatory disease. FMF is an autosomal recessive disease, which affects populations from Mediterranean origin and is associated with MEFV gene mutations encoding for the protein pyrin. Pyrin activation enhances the secretion of interleukin 1 by myelo-monocytic cells. Main features of the disease are acute attacks of serositis mainly located on the abdomen, less frequently on chest and joints, accompanied by fever and biological inflammatory markers elevation. Usually attacks last 1 to 3 days and spontaneously stop. A daily oral colchicine intake of 1 to 2mg/day is able to prevent attack's occurrence, frequency, intensity and duration among most patients. Colchicine is also able to prevent the development of inflammatory amyloidosis, the most severe complication of FMF. This state of the art article will focus on the diagnosis of FMF, the treatment and an update on the pathophysiology including the recent described dominant form of MEFV-associated new auto-inflammatory diseases.
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Affiliation(s)
- S Georgin-Lavialle
- Service de médecine interne, centre de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, 4, rue de la Chine, 75020 Paris, France; Inserm UMRS_933, hôpital Trousseau, 26, avenue du Dr-Arnold-Netter, 75012 Paris, France; Université Paris 6, Pierre-et-Marie-Curie (UPMC), Assistance publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - V Hentgen
- Service de pédiatrie générale, (CEREMAIA), centre hospitalier de Versailles, 179, rue de Versailles, 78150 Le Chesnay, France
| | - K Stankovic Stojanovic
- Service de médecine interne, centre de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, 4, rue de la Chine, 75020 Paris, France; Inserm UMRS_933, hôpital Trousseau, 26, avenue du Dr-Arnold-Netter, 75012 Paris, France; Université Paris 6, Pierre-et-Marie-Curie (UPMC), Assistance publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - C Bachmeyer
- Service de médecine interne, centre de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, 4, rue de la Chine, 75020 Paris, France; Inserm UMRS_933, hôpital Trousseau, 26, avenue du Dr-Arnold-Netter, 75012 Paris, France; Université Paris 6, Pierre-et-Marie-Curie (UPMC), Assistance publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - F Rodrigues
- Service de médecine interne, centre de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, 4, rue de la Chine, 75020 Paris, France; Inserm UMRS_933, hôpital Trousseau, 26, avenue du Dr-Arnold-Netter, 75012 Paris, France; Université Paris 6, Pierre-et-Marie-Curie (UPMC), Assistance publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - L Savey
- Service de médecine interne, centre de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, 4, rue de la Chine, 75020 Paris, France; Inserm UMRS_933, hôpital Trousseau, 26, avenue du Dr-Arnold-Netter, 75012 Paris, France; Université Paris 6, Pierre-et-Marie-Curie (UPMC), Assistance publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - S Abbara
- Service de médecine interne, centre de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, 4, rue de la Chine, 75020 Paris, France; Inserm UMRS_933, hôpital Trousseau, 26, avenue du Dr-Arnold-Netter, 75012 Paris, France; Université Paris 6, Pierre-et-Marie-Curie (UPMC), Assistance publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - P-L Conan
- Service de médecine interne, centre de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, 4, rue de la Chine, 75020 Paris, France; Inserm UMRS_933, hôpital Trousseau, 26, avenue du Dr-Arnold-Netter, 75012 Paris, France; Université Paris 6, Pierre-et-Marie-Curie (UPMC), Assistance publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - T Fraisse
- Service de médecine interne, centre de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, 4, rue de la Chine, 75020 Paris, France; Inserm UMRS_933, hôpital Trousseau, 26, avenue du Dr-Arnold-Netter, 75012 Paris, France; Université Paris 6, Pierre-et-Marie-Curie (UPMC), Assistance publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - M Delplanque
- Service de médecine interne, centre de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, 4, rue de la Chine, 75020 Paris, France; Inserm UMRS_933, hôpital Trousseau, 26, avenue du Dr-Arnold-Netter, 75012 Paris, France; Université Paris 6, Pierre-et-Marie-Curie (UPMC), Assistance publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - A Rouet
- Service de médecine interne, centre de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, 4, rue de la Chine, 75020 Paris, France; Inserm UMRS_933, hôpital Trousseau, 26, avenue du Dr-Arnold-Netter, 75012 Paris, France; Université Paris 6, Pierre-et-Marie-Curie (UPMC), Assistance publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - N Sbeih
- Service de médecine interne, centre de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, 4, rue de la Chine, 75020 Paris, France; Inserm UMRS_933, hôpital Trousseau, 26, avenue du Dr-Arnold-Netter, 75012 Paris, France; Université Paris 6, Pierre-et-Marie-Curie (UPMC), Assistance publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - I Koné-Paut
- Service de rhumatologie pédiatrique, (CEREMAIA), université de Paris Sud, CHU de Bicêtre, Assistance publique-Hôpitaux de Paris, 94270 Le Kremlin-Bicêtre, France
| | - G Grateau
- Service de médecine interne, centre de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, 4, rue de la Chine, 75020 Paris, France; Inserm UMRS_933, hôpital Trousseau, 26, avenue du Dr-Arnold-Netter, 75012 Paris, France; Université Paris 6, Pierre-et-Marie-Curie (UPMC), Assistance publique-Hôpitaux de Paris (AP-HP), Paris, France.
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