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Pîrlog LM, Pătrășcanu AA, Militaru MS, Cătană A. Insights into Clinical Disorders in Cowden Syndrome: A Comprehensive Review. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:767. [PMID: 38792950 PMCID: PMC11123368 DOI: 10.3390/medicina60050767] [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: 04/11/2024] [Revised: 04/29/2024] [Accepted: 05/03/2024] [Indexed: 05/26/2024]
Abstract
PTEN Hamartoma Tumour Syndrome (PHTS) encompasses diverse clinical phenotypes, including Cowden syndrome (CS), Bannayan-Riley-Ruvalcaba syndrome (BRRS), Proteus syndrome (PS), and Proteus-like syndrome. This autosomal dominant genetic predisposition with high penetrance arises from heterozygous germline variants in the PTEN tumour suppressor gene, leading to dysregulation of the PI3K/AKT/mTOR signalling pathway, which promotes the overgrowth of multiple and heterogenous tissue types. Clinical presentations of CS range from benign and malignant disorders, affecting nearly every system within the human body. CS is the most diagnosed syndrome among the PHTS group, notwithstanding its weak incidence (1:200,000), for which it is considered rare, and its precise incidence remains unknown among other important factors. The literature is notably inconsistent in reporting the frequencies and occurrences of these disorders, adding an element of bias and uncertainty when looking back at the available research. In this review, we aimed to highlight the significant disparities found in various studies concerning CS and to review the clinical manifestations encountered in CS patients. Furthermore, we intended to emphasize the great significance of early diagnosis as patients will benefit from a longer lifespan while being unceasingly advised and supported by a multidisciplinary team.
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Affiliation(s)
- Lorin-Manuel Pîrlog
- Department of Molecular Sciences, Faculty of Medicine, University of Medicine and Pharmacy “Iuliu Hațieganu”, 400012 Cluj-Napoca, Romania; (L.-M.P.); (M.S.M.); (A.C.)
| | - Andrada-Adelaida Pătrășcanu
- Department of Molecular Sciences, Faculty of Medicine, University of Medicine and Pharmacy “Iuliu Hațieganu”, 400012 Cluj-Napoca, Romania; (L.-M.P.); (M.S.M.); (A.C.)
| | - Mariela Sanda Militaru
- Department of Molecular Sciences, Faculty of Medicine, University of Medicine and Pharmacy “Iuliu Hațieganu”, 400012 Cluj-Napoca, Romania; (L.-M.P.); (M.S.M.); (A.C.)
- Regional Laboratory Cluj-Napoca, Department of Medical Genetics, Regina Maria Health Network, 400363 Cluj-Napoca, Romania
| | - Andreea Cătană
- Department of Molecular Sciences, Faculty of Medicine, University of Medicine and Pharmacy “Iuliu Hațieganu”, 400012 Cluj-Napoca, Romania; (L.-M.P.); (M.S.M.); (A.C.)
- Regional Laboratory Cluj-Napoca, Department of Medical Genetics, Regina Maria Health Network, 400363 Cluj-Napoca, Romania
- Department of Oncogenetics, “Prof. Dr. I. Chiricuță” Institute of Oncology, 400015 Cluj-Napoca, Romania
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Papadopoulou A, Amil-Dias J, Auth MKH, Chehade M, Collins MH, Gupta SK, Gutiérrez-Junquera C, Orel R, Vieira MC, Zevit N, Atkins D, Bredenoord AJ, Carneiro F, Dellon ES, Gonsalves N, Menard-Katcher C, Koletzko S, Liacouras C, Marderfeld L, Oliva S, Ohtsuka Y, Rothenberg ME, Strauman A, Thapar N, Yang GY, Furuta GT. Joint ESPGHAN/NASPGHAN Guidelines on Childhood Eosinophilic Gastrointestinal Disorders Beyond Eosinophilic Esophagitis. J Pediatr Gastroenterol Nutr 2024; 78:122-152. [PMID: 38291684 DOI: 10.1097/mpg.0000000000003877] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Accepted: 06/13/2019] [Indexed: 07/05/2023]
Abstract
INTRODUCTION Eosinophilic gastrointestinal disorders beyond eosinophilic esophagitis (non-EoE EGIDs) are rare chronic inflammatory disorders of the gastrointestinal (GI) tract. Diagnosis is based on clinical symptoms and histologic findings of eosinophilic inflammation after exclusion of a secondary cause or systemic disease. Currently, no guidelines exist for the evaluation of non-EoE EGIDs. Therefore, the European Society for Paediatric Gastroenterology, Hepatology and Nutrition (ESPGHAN) and the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN) formed a task force group to provide consensus guidelines for childhood non-EoE EGIDs. METHODS The working group was composed of pediatric gastroenterologists, adult gastroenterologists, allergists/immunologists, and pathologists. An extensive electronic literature search of the MEDLINE, EMBASE, and Cochrane databases was conducted up to February 2022. General methodology was used in the formulation of recommendations according to the Appraisal of Guidelines for Research and Evaluation (AGREE) II and the Grading of Recommendations Assessment, Development and Evaluation (GRADE) system to meet current standards of evidence assessment. RESULTS The guidelines provide information on the current concept of non-EoE EGIDs, disease pathogenesis, epidemiology, clinical manifestations, diagnostic and disease surveillance procedures, and current treatment options. Thirty-four statements based on available evidence and 41 recommendations based on expert opinion and best clinical practices were developed. CONCLUSION Non-EoE EGIDs literature is limited in scope and depth, making clear recommendations difficult. These consensus-based clinical practice guidelines are intended to assist clinicians caring for children affected by non-EoE EGIDs and to facilitate high-quality randomized controlled trials of various treatment modalities using standardized, uniform disease definitions.
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Affiliation(s)
- Alexandra Papadopoulou
- Division of Gastroenterology and Hepatology, First Department of Pediatrics, University of Athens, Children's Hospital Agia Sofia, Athens, Greece
| | | | - Marcus Karl-Heinz Auth
- Paediatric Gastroenterology, Hepatology and Nutrition, Alder Hey Children's NHS Foundation Trust and University of Liverpool, Liverpool, UK
| | - Mirna Chehade
- Mount Sinai Center for Eosinophilic Disorders, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Margaret H Collins
- Division of Pathology and Laboratory Medicine, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Sandeep K Gupta
- Community Health Network; and Section of Pediatric Gastroenterology, Hepatology and Nutrition, Riley Hospital for Children, Indiana University, Indianapolis, IN
| | - Carolina Gutiérrez-Junquera
- Pediatric Gastroenterology Unit, University Hospital Puerta de Hierro Majadahonda, Autonomous University of Madrid, Madrid, Spain
| | - Rok Orel
- Department of Gastroenterology, Hepatology and Nutrition, Ljubljana University Children's Hospital, Ljubljana, Slovenia
| | - Mario C Vieira
- Center for Pediatric Gastroenterology, Hospital Pequeno Príncipe, Curitiba, Brazil
| | - Noam Zevit
- Institute of Gastroenterology, Nutrition, and Liver Diseases, Schneider Children's Medical Center of Israel, Petach Tikva, Israel
- Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Dan Atkins
- Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - Albert J Bredenoord
- Department of Gastroenterology, Amsterdam University Medical Centers, Amsterdam, the Netherlands
| | - Fatima Carneiro
- Centro Hospitalar Universitário de São João (CHUSJ)/Faculty of Medicine of the University of Porto (FMUP) and Institute of Molecular Pathology and Immunology of the University of Porto (Ipatimup)/i3S - Instituto de Investigação e Inovação em Saúde da Universidade do Porto, Porto, Portugal
| | - Evan S Dellon
- Center for Esophageal Diseases and Swallowing, Division of Gastroenterology and Hepatology, University of North Carolina School of Medicine, Chapel Hill, NC
| | - Nirmala Gonsalves
- Division of Gastroenterology & Hepatology, Northwestern University, Feinberg School of Medicine, Chicago, IL
| | - Calies Menard-Katcher
- Digestive Health Institute and Section of Pediatric Gastroenterology, Hepatology and Nutrition, Gastrointestinal Eosinophilic Disease Program, Children's Hospital Colorado, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - Sibylle Koletzko
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, LMU Munich, Munich, Germany
- Department of Pediatrics, Gastroenterology and Nutrition, School of Medicine Collegium Medicum University of Warmia and Mazury, Olsztyn, Poland
| | - Chris Liacouras
- Center for Pediatric Eosinophilic Diseases, The Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Luba Marderfeld
- The Ottawa Hospital, IBD Center, Ottawa, ON, Canada
- Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, ON, Canada
| | - Salvatore Oliva
- Maternal and Child Health Department, Pediatric Gastroenterology and Liver Unit, Sapienza - University of Rome, Rome, Italy
| | - Yoshikazu Ohtsuka
- Department of Pediatrics and Adolescent Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Marc E Rothenberg
- Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Alex Strauman
- Department of Gastroenterology and Hepatology, University Hospital Zürich, Zürich, Switzerland
| | - Nikhil Thapar
- Stem Cells and Regenerative Medicine, GOS Institute of Child Health, University College London, London, UK
- Gastroenterology, Hepatology and Liver Transplant, Queensland Children's Hospital, Brisbane, Australia
- School of Medicine, University of Queensland, Brisbane, Australia
- Woolworths Centre for Child Nutrition Research, Queensland University of Technology, Brisbane, Australia
| | - Guan-Yu Yang
- Department of Pathology, Northwestern University, Feinberg School of Medicine, Chicago, IL
| | - Glenn T Furuta
- Digestive Health Institute, Section of Pediatric Gastroenterology, Hepatology and Nutrition, Children's Hospital Colorado, Gastrointestinal Eosinophilic Disease Program, Mucosal Inflammation Program, University of Colorado School of Medicine, Aurora, CO
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Sato H, Osonoi K, Sharlin CS, Shoda T. Genetic and Molecular Contributors in Eosinophilic Esophagitis. Curr Allergy Asthma Rep 2023; 23:255-266. [PMID: 37084008 PMCID: PMC11136533 DOI: 10.1007/s11882-023-01075-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/20/2023] [Indexed: 04/22/2023]
Abstract
PURPOSE OF REVIEW Eosinophilic esophagitis (EoE) is an allergic inflammatory esophageal disorder with a complex underlying genetic and molecular etiology. The interest of the scientific community in EoE has grown considerably over the past three decades, and the understanding of the genetic and molecular mechanisms involved in this disease has greatly increased. RECENT FINDINGS In this article, we aim to provide both historic aspects and updates on the recent genetic and molecular advances in the understanding of EoE. Although EoE is a relatively newly described disorder, much progress has been made toward identifying the genetic and molecular factors contributing to the disease pathogenesis by a variety of approaches with next-generation sequencing technologies, including genome-wide association study, whole exome sequencing, and bulk and single-cell RNA sequencing. This review highlights the multifaceted impacts of various findings that have shaped the current molecular and genetic landscape of EoE, providing insights that facilitate further understanding of the disease process.
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Affiliation(s)
- Hiroki Sato
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Kasumi Osonoi
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Colby S Sharlin
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Tetsuo Shoda
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
- Department of Pediatrics, University of Cincinnati College of Medicine, 3333 Burnet Avenue, MLC 7028, 45229, Cincinnati, OH, USA.
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Tran P, Gober L, Garabedian EK, Fuleihan RL, Puck JM, Sullivan KE, Spergel JM, Ruffner MA. Eosinophilic gastrointestinal disorders in patients with inborn errors of immunity: Data from the USIDNET registry. Front Immunol 2022; 13:987895. [PMID: 36211419 PMCID: PMC9539548 DOI: 10.3389/fimmu.2022.987895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 07/26/2022] [Indexed: 11/22/2022] Open
Abstract
Rationale Eosinophilic gastrointestinal disorders (EGID), including eosinophilic esophagitis (EoE), are inflammatory disorders of the gastrointestinal mucosa mediated by complex immune mechanisms. Although there have been initial reports of EGID in patients with inborn errors of immunity (IEI), little is known about the presentation of EGID in immunodeficient individuals. Methods We queried the U.S. Immunodeficiency Network (USIDNET) for patient records including the terms eosinophilic esophagitis, gastritis, enteritis, or colitis. We analyzed 74 patient records from the database, including diagnoses, demographics, infectious history, laboratory findings, genetic studies, therapeutic interventions, and clinical outcomes. Results We examined 74 patient records. A total of 61 patients had isolated EoE, and 13 had distal gastrointestinal involvement consistent with EGID. The most common IEI were common variable immunodeficiency (43.2%), some form of combined immunodeficiency (21.6%), chronic granulomatous disease (8.1%), hyper-IgE syndrome (6.8%), and autoimmune lymphoproliferative syndrome (6.8%). The median age at presentation with IEI was 0.5 years (IQR 1.725, max 39 years) and 56.76% were male. Approximately 20% of the patients in the cohort received a hematopoietic stem cell transplantation for treatment of IEI, but the timing of the HSCT in relationship to the EGID diagnosis was unknown. Conclusions Here, we report EGID in a diverse cohort of IEI patients, suggesting that both non-EoE EGID and EoE can be seen as comorbid conditions with a variety of IEI. Our data suggests that EGID may be more common in patients with IEI than would be expected based on estimates of EGID in the general population.
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Affiliation(s)
- Paulina Tran
- Division of Allergy & Immunology, Children’s Hospital of Philadelphia, Philadelphia, PA, United States
| | - Laura Gober
- Division of Allergy & Immunology, Children’s Hospital of Philadelphia, Philadelphia, PA, United States
| | - Elizabeth K. Garabedian
- National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, United States
| | - Ramsay L. Fuleihan
- Division of Allergy & Immunology, Columbia University Irving Medical Center, New York, NY, United States
| | - Jennifer M. Puck
- Division of Allergy, Immunology and Blood and Marrow Transplantation, Department of Pediatrics, UCSF Benioff Children’s Hospital San Francisco, School of Medicine, University of California San Francisco, San Francisco, CA, United States
| | - Kathleen E. Sullivan
- Division of Allergy & Immunology, Children’s Hospital of Philadelphia, Philadelphia, PA, United States
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Jonathan M. Spergel
- Division of Allergy & Immunology, Children’s Hospital of Philadelphia, Philadelphia, PA, United States
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Melanie A. Ruffner
- Division of Allergy & Immunology, Children’s Hospital of Philadelphia, Philadelphia, PA, United States
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
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D'Ermo G, Genuardi M. Gastrointestinal manifestations in PTEN hamartoma tumor syndrome. Best Pract Res Clin Gastroenterol 2022; 58-59:101792. [PMID: 35988965 DOI: 10.1016/j.bpg.2022.101792] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 01/04/2022] [Accepted: 03/08/2022] [Indexed: 02/07/2023]
Abstract
The PTEN hamartoma tumor syndrome (PHTS) is a heterogeneous set of multisystem disorders caused by germline pathogenic variants in the PTEN tumor suppressor gene. Manifestations include developmental anomalies and proliferative lesions. Evidence of involvement of the GI tract has accrued over time, leading to the incorporation of GI manifestations (multiple hamartomas, glycogenic acanthosis and colorectal cancer) into the diagnostic criteria. Polyps of the upper and lower GI tract are found in most adult patients and in a significant fraction of children. Polyps tend to be of mixed histology, with a predominance of hamartomas and ganglioneuromas. PHTS patients are also at increased risk of colorectal cancer, and surveillance by colonoscopy is advised starting at the age of 35-40 years. A number of additional manifestations, including eosinophilic gastrointestinal disorders, have been observed in few or single cases, and their association with PHTS has yet to be determined.
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Affiliation(s)
- Giuseppe D'Ermo
- Dipartimento di Chirurgia "Pietro Valdoni", Università La Sapienza, Rome, Italy
| | - Maurizio Genuardi
- Fondazione Policlinico Universitario A. Gemelli IRCCS, UOC Genetica Medica, Rome, Italy; Sezione di Medicina Genomica, Dipartimento di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Rome, Italy.
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Plamper M, Gohlke B, Woelfle J. PTEN hamartoma tumor syndrome in childhood and adolescence-a comprehensive review and presentation of the German pediatric guideline. Mol Cell Pediatr 2022; 9:3. [PMID: 35187600 PMCID: PMC8859017 DOI: 10.1186/s40348-022-00135-1] [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: 09/24/2021] [Accepted: 01/24/2022] [Indexed: 11/24/2022] Open
Abstract
Background The PTEN hamartoma tumor syndrome (PHTS) encompasses several different syndromes, which are linked to an autosomal-dominant mutation of the tumor suppressor PTEN gene on chromosome 10. Loss of PTEN activity leads to an increased phosphorylation of different cell proteins, which may have an influence on growth, migration, and apoptosis. Excessive activity of the PI3K/AKT/mTOR pathway due to PTEN deficiency may lead to the development of benign and malignant tumors and overgrowth. Diagnosis of PHTS in childhood can be even more challenging than in adulthood because of a lack of well-defined diagnostic criteria. So far, there are no official recommendations for cancer surveillance in affected children and adolescents. Main body All individuals with PHTS are at high risk for tumor development and thus might benefit from cancer surveillance strategies. In childhood, macrocephaly may be the only evident symptom, but developmental delay, behavioral problems, dermatological features (e.g., penile freckling), vascular anomalies, lipoma, or enlarged perivascular spaces in cerebral magnetic resonance imaging (cMRI) may help to establish the diagnosis. Regular psychomotor assessment and assistance in subjects with neurological impairment play an important role in the management of affected children. Already in early childhood, affected patients bear a high risk to develop thyroid pathologies. For that reason, monitoring of thyroid morphology and function should be established right after diagnosis. We present a detailed description of affected organ systems, tools for initiation of molecular diagnostic and screening recommendations for patients < 18 years of age. Conclusion Affected families frequently experience a long way until the correct diagnosis for their child’s peculiarity is made. Even after diagnosis, it is not easy to find a physician who is familiar with this rare group of diseases. Because of a still-limited database, it is not easy to establish evidence-based (cancer) surveillance recommendations. The presented screening recommendation should thus be revised regularly according to the current state of knowledge.
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Affiliation(s)
- Michaela Plamper
- Pediatric Endocrinology and Diabetology Division, Children's Hospital, University of Bonn, Venusberg-Campus 1, 53127, Bonn, Germany.
| | - Bettina Gohlke
- Pediatric Endocrinology and Diabetology Division, Children's Hospital, University of Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Joachim Woelfle
- Children's and Adolescents Hospital, University of Erlangen, Erlangen, Germany
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Racca F, Pellegatta G, Cataldo G, Vespa E, Carlani E, Pelaia C, Paoletti G, Messina MR, Nappi E, Canonica GW, Repici A, Heffler E. Type 2 Inflammation in Eosinophilic Esophagitis: From Pathophysiology to Therapeutic Targets. Front Physiol 2022; 12:815842. [PMID: 35095572 PMCID: PMC8790151 DOI: 10.3389/fphys.2021.815842] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 12/09/2021] [Indexed: 12/11/2022] Open
Abstract
Eosinophilic esophagitis (EoE) is a chronic immune-mediated disease of the esophagus characterized clinically by symptoms related to esophageal dysfunction and histologically by eosinophil-predominant inflammation, whose incidence is rising. It significantly affects patients’ quality of life and, if left untreated, results in fibrotic complications. Although broad consensus has been achieved on first-line therapy, a subset of patients remains non-responder to standard therapy. The pathogenesis of EoE is multifactorial and results from the complex, still mostly undefined, interaction between genetics and intrinsic factors, environment, and antigenic stimuli. A deep understanding of the pathophysiology of this disease is pivotal for the development of new therapies. This review provides a comprehensive description of the pathophysiology of EoE, starting from major pathogenic mechanisms (genetics, type 2 inflammation, epithelial barrier dysfunction, gastroesophageal reflux, allergens, infections and microbiota) and subsequently focusing on the single protagonists of type 2 inflammation (involved cells, cytokines, soluble effectors, surface proteins and transcription factors) that could represent present and future therapeutic targets, while summarizing previous therapeutic approaches in literature.
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Affiliation(s)
- Francesca Racca
- Personalized Medicine, Asthma and Allergy, IRCCS Humanitas Research Hospital, Rozzano, Italy
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
- *Correspondence: Francesca Racca,
| | - Gaia Pellegatta
- Digestive Endoscopy Unit, Department of Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano, Italy
| | - Giuseppe Cataldo
- Personalized Medicine, Asthma and Allergy, IRCCS Humanitas Research Hospital, Rozzano, Italy
| | - Edoardo Vespa
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
- Digestive Endoscopy Unit, Department of Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano, Italy
| | - Elisa Carlani
- Digestive Endoscopy Unit, Department of Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano, Italy
| | - Corrado Pelaia
- Department of Medical and Surgical Sciences, University “Magna Graecia” of Catanzaro, Catanzaro, Italy
| | - Giovanni Paoletti
- Personalized Medicine, Asthma and Allergy, IRCCS Humanitas Research Hospital, Rozzano, Italy
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
| | - Maria Rita Messina
- Personalized Medicine, Asthma and Allergy, IRCCS Humanitas Research Hospital, Rozzano, Italy
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
| | - Emanuele Nappi
- Personalized Medicine, Asthma and Allergy, IRCCS Humanitas Research Hospital, Rozzano, Italy
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
| | - Giorgio Walter Canonica
- Personalized Medicine, Asthma and Allergy, IRCCS Humanitas Research Hospital, Rozzano, Italy
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
| | - Alessandro Repici
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
- Digestive Endoscopy Unit, Department of Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano, Italy
| | - Enrico Heffler
- Personalized Medicine, Asthma and Allergy, IRCCS Humanitas Research Hospital, Rozzano, Italy
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
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Montoya-Cerrillo D, Bernieh A, Saad AG. Critical diagnoses in paediatric gastrointestinal diseases. Pathology 2022; 54:195-206. [PMID: 35033374 DOI: 10.1016/j.pathol.2021.09.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/26/2021] [Accepted: 09/30/2021] [Indexed: 12/11/2022]
Abstract
Gastrointestinal biopsies represent an increasing proportion of the paediatric pathologist's workload, an increase fundamentally due to an expansion of the understanding of the basic clinical, molecular, genetic, and histopathological features of paediatric gastrointestinal disorders. The histological interpretation of endoscopically retrieved gastrointestinal biopsies in children requires a unique set of diagnostic expertise and detailed knowledge of various gastrointestinal disorders that have a predilection for the paediatric population. This article's major role is to highlight the unique problems inherent to paediatric gastrointestinal disorders that require immediate communication with the paediatric surgeon or the gastroenterologist. For this, we tried to cover the most important diseases that a paediatric pathologist might encounter in daily practice. Some of these diseases are relatively rare, such as microvillous inclusion disease and tufting enteropathy, but some are more common such as eosinophilic disorders and inflammatory bowel disease. Awareness of the histopathological features of these diseases, particularly those that are relatively uncommon, is crucial to spare the patient a lengthy and costly evaluation. We made a particular effort to abundantly reference this article should the reader wish to expand on the content of any section.
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Affiliation(s)
| | - Anas Bernieh
- Division of Pathology, Cincinnati Children's Hospital, Cincinnati, OH, USA
| | - Ali G Saad
- Department of Pathology, University of Miami Miller School of Medicine, Miami, FL, USA.
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9
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Votto M, Naso M, Clemente AM, De Filippo M, Gargiulo G, Granone V, Siri G, Marseglia GL, Licari A. Eosinophilic esophagitis an update in children. ACTA BIO-MEDICA : ATENEI PARMENSIS 2022; 93:e2022034. [PMID: 35666120 PMCID: PMC9494178 DOI: 10.23750/abm.v93is3.13068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 04/05/2022] [Indexed: 11/23/2022]
Abstract
Eosinophilic esophagitis (EoE) is an emerging antigen-mediated, inflammatory disease of unknown etiology. EoE affects about 1/2,000 patients in the United States (US), with a higher prevalence rate in adults (43.4/100,000) than in children (29.5/100,000), prevailing in Caucasians and male sex. EoE is a multifactorial disease typically characterized by type 2 inflammation. Pathogenesis is not entirely understood and is likely non-IgE mediated. Food allergens trigger EoE, stimulating the dysregulated immune cells through an impaired esophageal epithelial barrier. Clinical presentation of EoE depends on age and mainly includes food refusal, vomiting, abdominal or chest pain, dysphagia, and food impaction. Endoscopy is the gold standard to diagnose EoE. The goal of EoE therapy is to achieve clinical and histological remission to prevent esophageal fibrosis and improve patients' quality of life (QoL). Cornerstones of therapy are PPIs, topical steroids, and elimination diets. Over recent decades, research progress has been made in terms of a greater understanding of the EoE pathogenesis and new therapeutic approaches. However, there are still several unmet needs, such as non-invasive tools and biomarkers for monitoring the disease.
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Affiliation(s)
- Martina Votto
- Pediatric Unit, Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Matteo Naso
- Pediatric Unit, Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Andrea Martina Clemente
- Pediatric Unit, Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Maria De Filippo
- Pediatric Unit, Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Ginevra Gargiulo
- Pediatric Unit, Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Veronica Granone
- Pediatric Unit, Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Giulia Siri
- Pediatric Unit, Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Gian Luigi Marseglia
- Pediatric Unit, Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, Italy, Pediatric Clinic, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Amelia Licari
- Pediatric Unit, Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, Italy, Pediatric Clinic, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
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Watkinson RL, Looi K, Laing IA, Cianferoni A, Kicic A. Viral Induced Effects on a Vulnerable Epithelium; Lessons Learned From Paediatric Asthma and Eosinophilic Oesophagitis. Front Immunol 2021; 12:773600. [PMID: 34912343 PMCID: PMC8666438 DOI: 10.3389/fimmu.2021.773600] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 11/05/2021] [Indexed: 01/07/2023] Open
Abstract
The epithelium is integral to the protection of many different biological systems and for the maintenance of biochemical homeostasis. Emerging evidence suggests that particular children have epithelial vulnerabilities leading to dysregulated barrier function and integrity, that resultantly contributes to disease pathogenesis. These epithelial vulnerabilities likely develop in utero or in early life due to various genetic, epigenetic and environmental factors. Although various epithelia are uniquely structured with specific function, prevalent allergic-type epithelial diseases in children potentially have common or parallel disease processes. These include inflammation and immune response dysregulation stemming from atypical epithelial barrier function and integrity. Two diseases where aetiology and pathogenesis are potentially linked to epithelial vulnerabilities include Paediatric Asthma and Eosinophilic Oesophagitis (EoE). For example, rhinovirus C (RV-C) is a known risk factor for paediatric asthma development and is known to disrupt respiratory epithelial barrier function causing acute inflammation. In addition, EoE, a prevalent atopic condition of the oesophageal epithelium, is characterised by similar innate immune and epithelial responses to viral injury. This review examines the current literature and identifies the gaps in the field defining viral-induced effects on a vulnerable respiratory epithelium and resulting chronic inflammation, drawing from knowledge generated in acute wheezing illness, paediatric asthma and EoE. Besides highlighting the importance of epithelial structure and barrier function in allergic disease pathogenesis regardless of specific epithelial sub-types, this review focuses on the importance of examining other parallel allergic-type disease processes that may uncover commonalities driving disease pathogenesis. This in turn may be beneficial in the development of common therapeutics for current clinical management and disease prevention in the future.
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Affiliation(s)
- Rebecca L Watkinson
- Division of Paediatrics, Medical School, The University of Western Australia, Nedlands, WA, Australia.,Wal-Yan Respiratory Research Centre, Telethon Kids Institute, Perth, WA, Australia
| | - Kevin Looi
- Wal-Yan Respiratory Research Centre, Telethon Kids Institute, Perth, WA, Australia.,School of Public Health, Curtin University, Bentley, WA, Australia
| | - Ingrid A Laing
- Division of Paediatrics, Medical School, The University of Western Australia, Nedlands, WA, Australia.,Wal-Yan Respiratory Research Centre, Telethon Kids Institute, Perth, WA, Australia
| | - Antonella Cianferoni
- Pediatrics Department, Perlman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Anthony Kicic
- Wal-Yan Respiratory Research Centre, Telethon Kids Institute, Perth, WA, Australia.,School of Public Health, Curtin University, Bentley, WA, Australia.,Centre for Cell Therapy and Regenerative Medicine, School of Medicine, The University of Western Australia, Nedlands, WA, Australia
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11
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Barrier Impairment and Type 2 Inflammation in Allergic Diseases: The Pediatric Perspective. CHILDREN (BASEL, SWITZERLAND) 2021; 8:children8121165. [PMID: 34943362 PMCID: PMC8700706 DOI: 10.3390/children8121165] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/30/2021] [Accepted: 11/30/2021] [Indexed: 01/02/2023]
Abstract
Allergic diseases represent a global burden. Although the patho-physiological mechanisms are still poorly understood, epithelial barrier dysfunction and Th2 inflammatory response play a pivotal role. Barrier dysfunction, characterized by a loss of differentiation, reduced junctional integrity, and altered innate defence, underpins the pathogenesis of allergic diseases. Epithelial barrier impairment may be a potential therapeutic target for new treatment strategies Up now, monoclonal antibodies and new molecules targeting specific pathways of the immune response have been developed, and others are under investigation, both for adult and paediatric populations, which are affected by atopic dermatitis (AD), asthma, allergic rhinitis (AR), chronic rhinosinusitis with nasal polyps (CRSwNP), or eosinophilic esophagitis (EoE). In children affected by severe asthma biologics targeting IgE, IL-5 and against IL-4 and IL-13 receptors are already available, and they have also been applied in CRSwNP. In severe AD Dupilumab, a biologic which inhibits both IL-4 and IL-13, the most important cytokines involved in inflammation response, has been approved for treatment of patients over 12 years. While a biological approach has already shown great efficacy on the treatment of severe atopic conditions, early intervention to restore epithelial barrier integrity, and function may prevent the inflammatory response and the development of the atopic march.
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12
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Ali KM, Zalata KR, Barakat T. Histopathologic ─ Endoscopic Concordance of Pediatric Duodenal Biopsy; How to Be Improved? Fetal Pediatr Pathol 2021; 40:395-406. [PMID: 31984824 DOI: 10.1080/15513815.2020.1716902] [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] [Indexed: 10/25/2022]
Abstract
Few studies have correlated pediatric endoscopic and histologic impressions of duodenal biopsies. Method: This is a retrospective study on children undergoing upper gastrointestinal endoscopy over a period of 11 years. We investigated concordance between the gross endoscopic and histopathologic characteristics of pediatric duodenal biopsies. Results: Of 1793 children enrolled in the study, duodenal pathology was observed in 72.3%. The gross endoscopic findings showed a low sensitivity of 38.9%, specificity of 99.2%, PPV of 99.2%, and NPV of 38.3%. Concordance between the gross endoscopic and histopathologic analysis was 55.6%. Conclusion: This study showed a higher rate of pediatric duodenal pathologies than gross assessment. This emphasizes the value for acquiring routine duodenal biopsies from grossly normal mucosa.
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Affiliation(s)
- Khadiga Mohamed Ali
- Faculty of Medicine, Department of Pathology, Mansoura University, Mansoura, Egypt
| | | | - Tarik Barakat
- Mansoura University Children's Hospital, Mansoura, Egypt
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13
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Stoecklein N, Ahmed AA, Lawson CE, Attard T. PTEN Hamartoma Syndrome in a Child Presenting With Malrotation, Panintestinal Polyps, Severe Anemia, and Protein-Losing Enteropathy. JPGN REPORTS 2021; 2:e092. [PMID: 37205954 PMCID: PMC10191558 DOI: 10.1097/pg9.0000000000000092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 03/21/2021] [Indexed: 05/21/2023]
Abstract
PTEN hamartoma syndrome (PTEN-HS) is a rare syndrome including neurologic, neurodevelopmental, integumentary, endocrine, and gastrointestinal manifestations. Eosinophilic disorders of the gastrointestinal system are diverse group of disorders reported to be more common in PTEN-HS. Our patient had malrotation and obstruction in infancy and subsequently developed macrocephaly and a lipoma. She presented at 4 years of age with both iron deficiency anemia and hypoalbuminemia from protein-losing enteropathy. She went on to endoscopy, colonoscopy, and video capsule endoscopy showing gastric, small intestinal, and colonic polyps but with histology including both a mixed histologic characterization of the polyps as expected with PTEN-HS, along with eosinophilic esophagitis, gastric, duodenal, colonic and polyp eosinophilia. She improved with enteral nutritional support and budesonide. Intestinal malrotation is a previously unrecognized feature of PTEN-HS, in our patient protein-losing enteropathy may have resulted from polyposis or eosinophilic gastrointestinal disorder. Albeit rare, PTEN-HS represents an elusive differential diagnosis with a broad spectrum including gastrointestinal symptomatology. Our case report illustrates the overlap of clinical, endoscopic, and histologic findings that can complicate PTEN-HS.
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Affiliation(s)
- Nicole Stoecklein
- From the Pediatric Gastroenterology, Children’s Mercy Hospital Kansas City, Kansas City, MO
| | - Atif A. Ahmed
- Anatomic Pathology, Children’s Mercy Hospital Kansas City, University of Missouri-Kansas City School of Medicine, Kansas City, MO
| | | | - Thomas Attard
- Pediatric Gastroenterology, Children’s Mercy Hospital Kansas City, University of Missouri-Kansas City School of Medicine, Kansas City, MO
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14
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Sholle ET, Cusick M, Davila MA, Kabariti J, Flores S, Campion TR. Characterizing Basic and Complex Usage of i2b2 at an Academic Medical Center. AMIA JOINT SUMMITS ON TRANSLATIONAL SCIENCE PROCEEDINGS. AMIA JOINT SUMMITS ON TRANSLATIONAL SCIENCE 2020; 2020:589-596. [PMID: 32477681 PMCID: PMC7233105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Developed to enable basic queries for cohort discovery, i2b2 has evolved to support complex queries. Little is known whether query sophistication - and the informatics resources required to support it - addresses researcher needs. In three years at our institution, 609 researchers ran 6,662 queries and requested re-identification of 80 patient cohorts to support specific studies. After characterizing all queries as "basic" or "complex" with respect to use of sophisticated query features, we found that the majority of all queries, and the majority of queries resulting in a request for cohort re-identification, did not use complex i2b2 features. Data domains that required extensive effort to implement saw relatively little use compared to common domains (e.g., diagnoses). These findings suggest that efforts to ensure the performance of basic queries using common data domains may better serve the needs of the research community than efforts to integrate novel domains or introduce complex new features.
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Affiliation(s)
- Evan T Sholle
- Information Technologies and Services Department, Weill Cornell Medicine, New York, NY
| | - Marika Cusick
- Information Technologies and Services Department, Weill Cornell Medicine, New York, NY
| | - Marcos A Davila
- Information Technologies and Services Department, Weill Cornell Medicine, New York, NY
| | - Joseph Kabariti
- Information Technologies and Services Department, Weill Cornell Medicine, New York, NY
| | - Steven Flores
- Information Technologies and Services Department, Weill Cornell Medicine, New York, NY
| | - Thomas R Campion
- Information Technologies and Services Department, Weill Cornell Medicine, New York, NY
- Department of Healthcare Policy and Research, Weill Cornell Medicine, New York, NY
- Clinical and Translational Science Center, Weill Cornell Medicine, New York, NY
- Department of Pediatrics, Weill Cornell Medicine, New York, NY
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15
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Abstract
Food allergies, defined as an immune response to food proteins, affect as many as 8% of young children and 2% of adults in western countries, and their prevalence appears to be rising like all allergic diseases. In addition to well-recognized urticaria and anaphylaxis triggered by IgE antibody- mediated immune responses, there is an increasing recognition of cell-mediated disorders, such as eosinophilic esophagitis and food protein-induced enterocolitis. Non-IgE-Mediated gastrointestinal food allergies are a heterogeneous group of food allergies in which there is an immune reaction against food but the primary pathogenesis is not a production of IgE and activation of mast cells and basophils. Those diseases tend to affect mainly the gastrointestinal tract and can present as acute (FPIES) or chronic reaction, such as Eosinophilic Esophagitis (EoE), Food Protein-Induced Allergic Proctocolitis (FPIAP). The role of food allergy in Non-EoE gastrointestinal Eosinophilic disorders (Non- EoE EGID) is poorly understood. In some diseases like EoE, T cell seems to play a major role in initiating the immunological reaction against food, however, in FPIES and FPIAP, the mechanism of sensitization is not clear. Diagnosis requires food challenges and/or endoscopies in most of the patients, as there are no validated biomarkers that can be used for monitoring or diagnosis of Non-IgE mediated food allergies. The treatment of Non-IgE food allergy is dependent on diet (FPIES, and EoE) and/or use of drugs (i.e. steroids, PPI) in EoE and Non-EoE EGID. Non-IgE mediated food allergies are being being investigated.
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Affiliation(s)
- Antonella Cianferoni
- Division of Allergy and Immunology, Department of Pediatrics, The Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, United States
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16
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Votto M, Marseglia GL, De Filippo M, Brambilla I, Caimmi SME, Licari A. Early Life Risk Factors in Pediatric EoE: Could We Prevent This Modern Disease? Front Pediatr 2020; 8:263. [PMID: 32548083 PMCID: PMC7274037 DOI: 10.3389/fped.2020.00263] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 04/27/2020] [Indexed: 12/15/2022] Open
Abstract
Eosinophilic esophagitis (EoE) is a chronic antigen-mediated inflammatory disease that affects the esophagus. In the last 20 years, a large number of epidemiological studies showed a significant increase in the incidence and prevalence of EoE, especially in developed countries. This phenomenon might correlate to the overall increase in pediatric allergic diseases or might be a result of improved medical awareness and knowledge through modern diagnostic instruments. Since 1993, when EoE was first recognized as a distinct clinical entity, several signs of progress in the pathophysiology of EoE were achieved. However, a few studies reported data on early risk factors for pediatric EoE and how these factors may interfere with genes. Currently, the most defined risk factors for EoE are male sex, Caucasian race, and atopic comorbidities. Other putative risk factors may include alterations in epithelial barrier function and fibrous remodeling, esophageal dysbiosis, variation in the nature and timing of oral antigen exposure, and early prescription of proton pump inhibitors and antibiotics. Notably, the timing and nature of food antigen exposure may be fundamental in inducing or reversing immune tolerance, but no studies are reported. This review summarized the current evidence on the risk factors that might contribute to the increasing development of EoE, focusing on the possible preventive role of early interventions.
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Affiliation(s)
- Martina Votto
- Department of Pediatrics, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy
| | - Gian Luigi Marseglia
- Department of Pediatrics, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy
| | - Maria De Filippo
- Department of Pediatrics, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy
| | - Ilaria Brambilla
- Department of Pediatrics, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy
| | - Silvia Maria Elena Caimmi
- Department of Pediatrics, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy
| | - Amelia Licari
- Department of Pediatrics, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy
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17
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Phenotypes and endotypes in eosinophilic esophagitis. Ann Allergy Asthma Immunol 2019; 124:233-239. [PMID: 31862435 DOI: 10.1016/j.anai.2019.12.011] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 12/04/2019] [Accepted: 12/08/2019] [Indexed: 12/16/2022]
Abstract
OBJECTIVE To improve understanding of the heterogeneous presentation of eosinophilic esophagitis (EoE), and its different potential phenotypes and endotypes. DATA SOURCES We reviewed studies addressing EoE genetics, risks, natural history, treatment, phenotype, or endotype to assess data relating to differences in the presentation of EoE in children and adults. This review was restricted to articles in the English language. STUDY SELECTIONS Data source abstracts, pertinent articles, and book chapters meeting the objectives were critically reviewed. RESULTS Data to support differing phenotypes and endotypes in EoE are emerging, but findings are based on multiple studies and therefore sometimes incomparable. Like other atopic disorders EoE is a complex disease with diverse clinical presentations (phenotypes) based on response to therapy, natural history, and association with atopic comorbidities. Different pathogenetic mechanisms (endotypes) may drive the multiple phenotypes. T Helper type 2 inflammation, epithelial barrier defects, enhanced fibrosis, and association with rare monogenetic diseases are the most described endotypes in EoE. CONCLUSION Eosinophilic esophagitis is an atopic disorder that is increasing in prevalence and can be difficult to treat. Better understanding of phenotypes and endotypes in EoE may enable future care to be individualized more effectively, resulting in shorter time to remission and fewer endoscopies.
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18
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Taylor H, Laurence ADJ, Uhlig HH. The Role of PTEN in Innate and Adaptive Immunity. Cold Spring Harb Perspect Med 2019; 9:cshperspect.a036996. [PMID: 31501268 DOI: 10.1101/cshperspect.a036996] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The lipid and protein phosphatase and tensin homolog (PTEN) controls the differentiation and activation of multiple immune cells. PTEN acts downstream from T- and B-cell receptors, costimulatory molecules, cytokine receptors, integrins, and also growth factor receptors. Loss of PTEN activity in human and mice is associated with cellular and humoral immune dysfunction, lymphoid hyperplasia, and autoimmunity. Although most patients with PTEN hamartoma tumor syndrome (PHTS) have no immunological symptoms, a subclinical immune dysfunction is present in many, and clinical immunodeficiency in few. Comparison of the immune phenotype caused by PTEN haploinsufficiency in PHTS, phosphoinositide 3-kinase (PI3K) gain-of-function in activated PI3K syndrome, and mice with conditional biallelic Pten deletion suggests a threshold model in which coordinated activity of several phosphatases control the PI3K signaling in a cell-type-specific manner. Emerging evidence highlights the role of PTEN in polygenic autoimmune disorders, infection, and the immunological response to cancer. Targeting the PI3K axis is an emerging therapeutic avenue.
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Affiliation(s)
- Henry Taylor
- Department of Surgery and Cancer, Imperial College London, London SW7 2AZ, United Kingdom
| | - Arian D J Laurence
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Nuffield Department of Experimental Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, United Kingdom.,Department of Haematology, University College London Hospitals NHS Trust, London WC1E 6AG, United Kingdom
| | - Holm H Uhlig
- Translational Gastroenterology Unit, NIHR Oxford Biomedical Research Centre, Nuffield Department of Experimental Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, United Kingdom.,Department of Paediatrics, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, United Kingdom.,NIHR Oxford Biomedical Research Centre, Oxford OX3 9DU, United Kingdom
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19
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Abstract
PTEN is a tumor suppressor gene that classically dampens the PI3K/AKT/mTOR growth-promoting signaling cascade. PTEN dysfunction causes dysregulation of this and other pathways, resulting in overgrowth. Cowden syndrome, a hereditary cancer predisposition and overgrowth disorder, was the first Mendelian condition associated with germline PTEN mutations. Since then, significant advances by the research and medical communities have elucidated how clinical phenotypic manifestations result from the underlying germline PTEN mutations. With time, it became evident that PTEN mutations can result in a broad phenotypic spectrum, causing seemingly disparate disorders from cancer to autism. Hence, the umbrella term of PTEN hamartoma tumor syndrome (PHTS) was coined. Timely diagnosis and understanding the natural history of PHTS are vital because early recognition enables gene-informed management, particularly as related to high-risk cancer surveillance and addressing the neurodevelopmental symptoms.
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Affiliation(s)
- Lamis Yehia
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44195, USA; , ,
| | - Emma Keel
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44195, USA; , ,
| | - Charis Eng
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44195, USA; , , .,Taussig Cancer Institute, Cleveland Clinic, Cleveland, Ohio 44195, USA.,Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106, USA.,Germline High Risk Cancer Focus Group, Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio 44106, USA
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20
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Rochman M, Azouz NP, Rothenberg ME. Epithelial origin of eosinophilic esophagitis. J Allergy Clin Immunol 2019; 142:10-23. [PMID: 29980278 DOI: 10.1016/j.jaci.2018.05.008] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 05/18/2018] [Accepted: 05/21/2018] [Indexed: 02/06/2023]
Abstract
Eosinophilic esophagitis (EoE) is a chronic, allergen-driven inflammatory disease of the esophagus characterized predominantly by eosinophilic inflammation, leading to esophageal dysfunction. Converging data have placed the esophageal epithelium at the center of disease pathogenesis. In particular, the main EoE disease susceptibility loci at 2p23 and 5p22 encode for gene products that are produced by the esophageal epithelium: the intracellular protease calpain 14 and thymic stromal lymphopoietin, respectively. Furthermore, genetic and functional data establish a primary role for impaired epithelial barrier function in disease susceptibility and pathoetiology. Additionally, the EoE transcriptome, a set of genes dysregulated in the esophagi of patients with EoE, is enriched in genes that encode for proteins involved in esophageal epithelial cell differentiation. This transcriptome has a high proportion of esophagus-specific epithelial genes that are notable for the unexpected enrichment in genes encoding for proteases and protease inhibitors, as well as in IL-1 family genes, demonstrating a previously unappreciated role for innate immunity responses in the esophagus under homeostatic conditions. Among these pathways, basal production of the serine protease inhibitor, Kazal-type 7 (SPINK7) has been demonstrated to be part of the normal differentiation program of esophageal epithelium. Profound lost expression of SPINK7 occurs in patients with EoE and is sufficient for unleashing increased proteolytic activity (including urokinase plasminogen activator), impaired barrier function, and production of large quantities of proinflammatory and proallergic cytokines, including thymic stromal lymphopoietin. Collectively, we put forth a model in which the esophagus is normally equipped as an anti-inflammatory sensing organ and that defects in this pathway, mediated by epithelial protease/protease inhibitor imbalances, unleash inflammatory responses resulting in disorders, such as EoE.
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Affiliation(s)
- Mark Rochman
- Division of Allergy and Immunology, Department of Pediatrics Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Nurit P Azouz
- Division of Allergy and Immunology, Department of Pediatrics Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Marc E Rothenberg
- Division of Allergy and Immunology, Department of Pediatrics Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio.
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21
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Pilarski R. PTEN Hamartoma Tumor Syndrome: A Clinical Overview. Cancers (Basel) 2019; 11:cancers11060844. [PMID: 31216739 PMCID: PMC6627214 DOI: 10.3390/cancers11060844] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 06/13/2019] [Accepted: 06/14/2019] [Indexed: 12/12/2022] Open
Abstract
The phosphatase and tensin homolog (PTEN) hamartoma tumor syndrome (PHTS) is a grouping of related genetic disorders that has been linked to germline mutations in the PTEN gene. These disorders include Cowden syndrome (CS), Bannayan–Riley–Ruvalcaba syndrome, adult Lhermitte–Duclos disease, and autism spectrum disorders associated with macrocephaly. The majority of the clinical information available on PHTS, however, is related to individuals diagnosed with CS. There is still much to be learned about this disorder, since diagnostic criteria for CS were only established in 1996, before the identification of the PTEN gene, and were based primarily on features seen in cases reported in the existing literature. More recently, however, data from several large series of patients have shown that a number of the clinical features associated with PTEN mutations are either more or less common than previously reported. In addition, we now know that only about 30–35% of patients meeting clinical diagnostic criteria for Cowden syndrome actually have a detectable PTEN mutation. Thus, our understanding of PTEN-related diseases and their management has evolved significantly over time. The United States National Comprehensive Cancer Network (NCCN) has produced and regularly updates practice guidelines which include clinical diagnostic criteria as well as guidelines for PTEN testing and management of patients with mutations. This review will summarize the overall literature on PHTS as well as recent findings which are broadening our understanding of this set of disorders.
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Affiliation(s)
- Robert Pilarski
- Division of Human Genetics, Department of Internal Medicine and Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43221, USA.
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22
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Ruffner MA, Capucilli P, Hill DA, Spergel JM. Screening children for eosinophilic esophagitis: allergic and other risk factors. Expert Rev Clin Immunol 2019; 15:315-318. [PMID: 30722709 PMCID: PMC6687298 DOI: 10.1080/1744666x.2019.1579643] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 02/04/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Melanie A Ruffner
- a Division of Allergy & Immunology , Children's Hospital of Philadelphia , Philadelphia , PA , USA
- b Department of Pediatrics , University of Pennsylvania Perelman School of Medicine , Philadelphia , PA , USA
| | - Peter Capucilli
- a Division of Allergy & Immunology , Children's Hospital of Philadelphia , Philadelphia , PA , USA
| | - David A Hill
- a Division of Allergy & Immunology , Children's Hospital of Philadelphia , Philadelphia , PA , USA
- b Department of Pediatrics , University of Pennsylvania Perelman School of Medicine , Philadelphia , PA , USA
| | - Jonathan M Spergel
- a Division of Allergy & Immunology , Children's Hospital of Philadelphia , Philadelphia , PA , USA
- b Department of Pediatrics , University of Pennsylvania Perelman School of Medicine , Philadelphia , PA , USA
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23
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Ruffner MA, Kennedy K, Cianferoni A. Pathophysiology of eosinophilic esophagitis: recent advances and their clinical implications. Expert Rev Clin Immunol 2018; 15:83-95. [PMID: 30394139 DOI: 10.1080/1744666x.2019.1544893] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Introduction: Diagnostic and therapeutic strategies in eosinophilic esophagitis (EoE) are evolving. New knowledge regarding the pathophysiology of EoE has been the foundation for updated diagnostic recommendations and new therapeutic trials. Areas covered: We performed structured literature searches in Medline and PubMed, Cochrane meta-analyses, and abstracts of international congresses to review therapeutic approaches for EoE in July 2018. Additional articles were obtained by perusing the references of articles identified in the original PubMed search. Articles were excluded if they did not focus on the mechanism of disease, diagnosis, or treatment of humans with EoE. Expert commentary: Recent advances in the understanding of mechanisms underlying the pathology of EoE have resulted in significant change in the diagnostic algorithm for EoE, and are identifying promising potential targets for personalized medicine. There is a clinical need for improved targeted therapy for EoE, and better understanding the underlying pathophysiology of EoE will help to determine therapeutic targets. In this review, we highlight key mechanisms in the pathophysiology of EoE and how they are being utilized to change therapy in EoE.
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Affiliation(s)
- Melanie A Ruffner
- a Division of Allergy & Immunology , Children's Hospital of Philadelphia , Philadelphia , PA , USA.,b Department of Pediatrics , University of Pennsylvania Perlman School of Medicine , Philadelphia , PA , USA
| | - Katie Kennedy
- a Division of Allergy & Immunology , Children's Hospital of Philadelphia , Philadelphia , PA , USA
| | - Antonella Cianferoni
- a Division of Allergy & Immunology , Children's Hospital of Philadelphia , Philadelphia , PA , USA.,b Department of Pediatrics , University of Pennsylvania Perlman School of Medicine , Philadelphia , PA , USA
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24
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Krishnan U, Lijuan C, Andrew GJ, Rothenberg ME, Wen T. Analysis of eosinophilic esophagitis in children with repaired congenital esophageal atresia. J Allergy Clin Immunol 2018; 143:1455-1464.e2. [PMID: 30527929 DOI: 10.1016/j.jaci.2018.08.040] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 07/20/2018] [Accepted: 08/24/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND A high prevalence of eosinophilic esophagitis (EoE) has been preliminarily reported in patients after repair of esophageal atresia (EA), but the basis of this association is unknown. OBJECTIVES We aimed to (1) characterize the EoE transcriptome in patients with EA, (2) compare the EoE transcriptome in patients with EoE and EA with that in patients with EoE alone, and (3) identify transcripts that could predispose patients with EA to EoE. METHODS This single-center, population-based, retrospective study identified 4 EoE study cohorts: healthy control subjects, patients with EA and EoE (EA+EoE+), patients with EA without EoE (EA+EoE-), and patients with EoE without EA (EA-EoE+). Molecular signatures were assessed by using the EoE diagnostic panel, a 94-gene expression quantitative PCR array. RESULTS In a cohort of 110 pediatric patients with surgically repaired EA, 20 (18%) patients were given a diagnosis of EoE, representing a 364-fold enrichment of EoE in patients with EA compared with the general pediatric population. EoE diagnostic panel analyses revealed a major overlap between the EA+EoE+ and EA-EoE+ cohorts. A proportion (approximately 25%) of EoE signature genes were dysregulated in patients with EA+EoE- compared with healthy control subjects, including those involved in epithelial barrier function and type 2-associated inflammatory responses. Patients with EA+EoE+ exhibit a more severe EoE clinical phenotype than those with EA-EoE+ in terms of dysphagia and dilation need. CONCLUSIONS Patients with EA have increased risk of EoE. Patients with EoE with EA have a similar molecular profile compared with that of patients with EoE without EA. Dysregulated baseline epithelial barrier and type 2-associated genes in EA monomorbidity might explain the higher EoE prevalence in patients with EA.
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Affiliation(s)
- Usha Krishnan
- Discipline of Paediatrics, School of Women's and Children's Health, Faculty of Medicine, University of New South Wales, Sydney, Australia; Department of Paediatric Gastroenterology, Sydney Children's Hospital, Sydney, Australia
| | - Chan Lijuan
- Discipline of Paediatrics, School of Women's and Children's Health, Faculty of Medicine, University of New South Wales, Sydney, Australia
| | - Gifford J Andrew
- Discipline of Paediatrics, School of Women's and Children's Health, Faculty of Medicine, University of New South Wales, Sydney, Australia; Department of Anatomical Pathology (SEALS), Prince of Wales Hospital, Sydney, Australia
| | - Marc E Rothenberg
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Ting Wen
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.
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Akbulut UE, Fidan S, Emeksiz HC, Ors OP. Duodenal pathologies in children: a single‐center experience. JORNAL DE PEDIATRIA (VERSÃO EM PORTUGUÊS) 2018. [DOI: 10.1016/j.jpedp.2017.09.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Akbulut UE, Fidan S, Emeksiz HC, Ors OP. Duodenal pathologies in children: a single-center experience. J Pediatr (Rio J) 2018; 94:273-278. [PMID: 28888898 DOI: 10.1016/j.jped.2017.06.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 04/14/2017] [Accepted: 04/17/2017] [Indexed: 01/13/2023] Open
Abstract
OBJECTIVE Several studies have been performed concerning pathologies of the stomach and esophagus in the pediatric age group. However, there have been very few studies of duodenal pathologies in children. The authors aimed to examine the clinical, endoscopic, and histopathological characteristics, as well as the etiology of duodenal pathologies in children. METHOD Patients aged between 1 and 17 years undergoing esophagogastroduodenoscopy during two years at this unit, were investigated retrospectively. Demographic, clinical, endoscopic data, and the presence of duodenal pathologies, gastritis, and esophagitis were recorded in all of the children. RESULTS Out of 747 children who underwent endoscopy, duodenal pathology was observed in 226 (30.3%) patients. Pathology was also present in the esophagus in 31.6% of patients and in the stomach in 58.4%. The level of chronic diarrhea was higher in patients with duodenal pathology when compared with those without duodenal pathology (p=0.002, OR: 3.91, 95% CI: 1.59-9.57). Helicobacter pylori infection was more common in patients with pathology in the duodenum (59.3%). CONCLUSION Duodenal pathology was detected in 30.3% of the present patients. A significantly higher level of chronic diarrhea was observed in subjects with duodenal pathologies compared to those with no such pathology. The rate of Helicobacter pylori infection was considerably higher than that in previous studies. In addition, there is a weak correlation between endoscopic appearance and histology of duodenitis.
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Affiliation(s)
- Ulas Emre Akbulut
- Kanuni Training and Research Hospital, Department of Pediatric Gastroenterology, Hepatology and Nutrition, Trabzon, Turkey.
| | - Sami Fidan
- Karadeniz Technical University, Faculty of Medicine, Department of Gastroenterology, Trabzon, Turkey
| | - Hamdi Cihan Emeksiz
- Kanuni Training and Research Hospital, Department of Pediatric Endocrinology, Trabzon, Turkey
| | - Orhan Polat Ors
- Istanbul Bilim University, Faculty of Medicine, Department of Anatomy, Istanbul, Turkey
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Akbulut UE, Emeksiz HC, Kocak FG, Livaoglu A. Diagnostic yield of esophagogastroduodenoscopy in children with chronic abdominal pain. Arch Med Sci 2018; 14:74-80. [PMID: 29379535 PMCID: PMC5778425 DOI: 10.5114/aoms.2017.67675] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Accepted: 04/16/2017] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION Chronic abdominal pain (CAP) is one of the most common indications of esophagogastroduodenoscopy (EGD) in the pediatric population. However, there is not enough information about the diagnostic yield of EGD in children with CAP. We aimed to evaluate the diagnostic yield of EGD in children with CAP in the Eastern Black Sea region of Turkey. MATERIAL AND METHODS The study included children (n = 372) who underwent EGD for the primary indication of chronic abdominal pain during an 18-month period. We collected data on demographic features (age, sex), clinical characteristics (alarm symptoms), and EGD results for each patient. RESULTS Patients' mean age was 13 years (range: 4-17 years; mean ± SD: 12.65 ±3.39 years), and the majority were female (n = 234, 62.9%). Endoscopy was diagnostic in 209 patients (56.2%; 95% CI: 30.35-40.05%). The most common diagnosis was Helicobacter pylori gastritis (35.2%) followed by reflux esophagitis. Significantly greater diagnostic yield of EGD was determined in patients with alarm symptoms (65.1%) compared to those without (45.2%) (OR = 2.26, 95% CI: 1.49-3.44, p = 0.001). CONCLUSIONS We determined a high diagnostic yield of EGD in children with CAP. Although the diagnostic yield of EGD in the assessment of CAP was found to be higher in the presence of alarm symptoms, a significant number of children without alarm symptoms were also found to have gastrointestinal system pathology diagnosed by EGD.
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Affiliation(s)
- Ulas Emre Akbulut
- Department of Pediatric Gastroenterology, Hepatology and Nutrition, Kanuni Training and Research Hospital, Trabzon, Turkey
| | - Hamdi Cihan Emeksiz
- Department of Pediatric Endocrinology and Diabetes, Kanuni Training and Research Hospital, Trabzon, Turkey
| | - Fatma Gulgun Kocak
- Department of Pathology, Kanuni Training and Research Hospital, Trabzon, Turkey
| | - Ayten Livaoglu
- Department of Pathology, Kanuni Training and Research Hospital, Trabzon, Turkey
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Abstract
PURPOSE OF REVIEW EoE is a significant cause of gastrointestinal morbidity affecting 1:2000. Patients with EoE typically have multiple atopic comorbidities, and additionally, many patients with EoE can be controlled well with elimination diets. The purpose of this review is to summarize the care of pediatric eosinophilic esophagitis patients. RECENT FINDINGS EoE represents a distinct clinical syndrome which is characterized by esophageal dysfunction and eosinophil-predominant inflammation of the esophageal mucosa. Patients with EoE can present with varying symptoms depending on their age; in this review, we review the presenting features of eosinophilic esophagitis in children as well as a diagnostic algorithm for EoE. The mucosal inflammation in EoE is driven by exposure to food antigens in many patients with EoE. Therefore, for the majority of patients, the mainstays of treatment remain food elimination diets or swallowed steroids. This review summarizes the diagnostic approach to eosinophilic esophagitis (EoE) in pediatric patients, focusing on the importance of accurate diagnosis and selection of appropriate therapy.
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Abonia JP, Spergel JM, Cianferoni A. Eosinophilic Esophagitis: A Primary Disease of the Esophageal Mucosa. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2017; 5:951-955. [PMID: 28363400 PMCID: PMC5580194 DOI: 10.1016/j.jaip.2017.02.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 01/25/2017] [Accepted: 02/03/2017] [Indexed: 12/14/2022]
Affiliation(s)
- J Pablo Abonia
- Division of Allergy and Immunology, University of Cincinnati, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Jonathan M Spergel
- Division of Allergy and Immunology, University of Pennsylvania, The Children's Hospital of Philadelphia, Philadelphia, Pa
| | - Antonella Cianferoni
- Division of Allergy and Immunology, University of Pennsylvania, The Children's Hospital of Philadelphia, Philadelphia, Pa.
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Ngeow J, Sesock K, Eng C. Clinical Implications for Germline PTEN Spectrum Disorders. Endocrinol Metab Clin North Am 2017; 46:503-517. [PMID: 28476234 DOI: 10.1016/j.ecl.2017.01.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Patients with PTEN hamartoma tumor syndrome (PHTS) may present to a variety of different subspecialties with benign and malignant clinical features. They have increased lifetime risks of breast, endometrial, thyroid, renal, and colon cancers, as well as neurodevelopmental disorders such as autism spectrum disorder. Patients and affected family members can be offered gene-directed surveillance and management. Patients who are unaffected can be spared unnecessary investigations. With longitudinal follow-up, we are likely to identify other non-cancer manifestations associated with PHTS such as metabolic, immunologic, and neurologic features.
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Affiliation(s)
- Joanne Ngeow
- Cancer Genetics Service, Division of Medical Oncology, National Cancer Centre, 11 Hospital Drive, Singapore 169610, Singapore; Genomic Medicine Institute, Cleveland Clinic, 9500 Euclid Avenue, NE-50, Cleveland, OH 44195, USA
| | - Kaitlin Sesock
- Genomic Medicine Institute, Cleveland Clinic, 9500 Euclid Avenue, NE-50, Cleveland, OH 44195, USA; Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, NE-50, Cleveland, OH 44195, USA; Taussig Cancer Institute, Cleveland Clinic, 9500 Euclid Avenue, NE-50, Cleveland, OH 44195, USA
| | - Charis Eng
- Genomic Medicine Institute, Cleveland Clinic, 9500 Euclid Avenue, NE-50, Cleveland, OH 44195, USA; Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, NE-50, Cleveland, OH 44195, USA; Taussig Cancer Institute, Cleveland Clinic, 9500 Euclid Avenue, NE-50, Cleveland, OH 44195, USA; Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine, 10900 Euclid Avenue, Cleveland, OH 44106, USA; Germline High Risk Focus Group, CASE Comprehensive Cancer Center, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106, USA.
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Hansen-Kiss E, Beinkampen S, Adler B, Frazier T, Prior T, Erdman S, Eng C, Herman G. A retrospective chart review of the features of PTEN hamartoma tumour syndrome in children. J Med Genet 2017; 54:471-478. [DOI: 10.1136/jmedgenet-2016-104484] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 03/16/2017] [Accepted: 03/20/2017] [Indexed: 11/04/2022]
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Specific MicroRNA Pattern in Colon Tissue of Young Children with Eosinophilic Colitis. Int J Mol Sci 2017; 18:ijms18051050. [PMID: 28498330 PMCID: PMC5454962 DOI: 10.3390/ijms18051050] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 04/15/2017] [Accepted: 05/05/2017] [Indexed: 12/25/2022] Open
Abstract
Eosinophilic colitis (EC) is a common cause of haematochezia in infants and young children. The exact pathomechanism is not understood, and the diagnosis is challenging. The role of microRNAs as key class of regulators of mRNA expression and translation in patients with EC has not been explored. Therefore, the aim of the present study was to explore the miRNA profile in EC with respect to eosinophilic inflammation. Patients enrolled in the study (n = 10) had persistent rectal bleeding, and did not respond to elimination dietary treatment. High-throughput microRNA sequencing was carried out on colonic biopsy specimens of children with EC (EC: n = 4) and controls (C: n = 4) as a preliminary screening of the miRNA profile. Based on the next-generation sequencing (NGS) results and literature data, a potentially relevant panel of miRNAs were selected for further measurements by real-time reverse transcription (RT)-PCR (EC: n = 14, C: n = 10). Validation by RT-PCR resulted in significantly altered expression of miR-21, -31, -99b, -125a, -146a, -184, -221, -223, and -559 compared to controls (p ≤ 0.05). Elevation in miR-21, -99b, -146a, -221, and -223 showed statistically significant correlation to the extent of tissue eosinophilia. Based on our results, we conclude that the dysregulated miRNAs have a potential role in the regulation of apoptosis by targeting Protein kinase B/Mechanistic target of rapamycin (AKT/mTOR)-related pathways in inflammation by modulating Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB)-related signalling and eosinophil cell recruitment and activation, mainly by regulating the expression of the chemoattractant eotaxin and the adhesion molecule CD44. Our results could serve as a basis for further extended research exploring the pathomechanism of EC.
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Kottyan LC, Rothenberg ME. Genetics of eosinophilic esophagitis. Mucosal Immunol 2017; 10:580-588. [PMID: 28224995 PMCID: PMC5600523 DOI: 10.1038/mi.2017.4] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Accepted: 01/04/2017] [Indexed: 02/04/2023]
Abstract
Eosinophilic esophagitis (EoE) is a chronic, allergic disease associated with marked mucosal eosinophil accumulation. EoE disease risk is multifactorial and includes environmental and genetic factors. This review will focus on the contribution of genetic variation to EoE risk, as well as the experimental tools and statistical methodology used to identify EoE risk loci. Specific disease-risk loci that are shared between EoE and other allergic diseases (TSLP, LRRC32) or unique to EoE (CAPN14), as well as Mendellian Disorders associated with EoE, will be reviewed in the context of the insight that they provide into the molecular pathoetiology of EoE. We will also discuss the clinical opportunities that genetic analyses provide in the form of decision support tools, molecular diagnostics, and novel therapeutic approaches.
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Affiliation(s)
- LC Kottyan
- Center for Autoimmune Genomics and Etiology, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, University of Cincinnati, Cincinnati, Ohio, USA
- Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, University of Cincinnati, Cincinnati, Ohio, USA
| | - ME Rothenberg
- Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, University of Cincinnati, Cincinnati, Ohio, USA
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Sutherland SM, Kaelber DC, Downing NL, Goel VV, Longhurst CA. Electronic Health Record-Enabled Research in Children Using the Electronic Health Record for Clinical Discovery. Pediatr Clin North Am 2016; 63:251-68. [PMID: 27017033 DOI: 10.1016/j.pcl.2015.12.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Initially described more than 50 years ago, electronic health records (EHRs) are now becoming ubiquitous throughout pediatric health care settings. The confluence of increased EHR implementation and the exponential growth of digital data within them, the development of clinical informatics tools and techniques, and the growing workforce of experienced EHR users presents new opportunities to use EHRs to augment clinical discovery and improve pediatric patient care. This article reviews the basic concepts surrounding EHR-enabled research and clinical discovery, including the types and fidelity of EHR data elements, EHR data validation/corroboration, and the steps involved in analytical interrogation.
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Affiliation(s)
- Scott M Sutherland
- Department of Pediatrics, Stanford University School of Medicine, 300 Pasteur Drive, Room G-306, Stanford, CA 94304, USA; Department of Clinical Informatics, Stanford Children's Health, 1265 Welch Road, MSOB XIC65A, Stanford, CA 94305, USA.
| | - David C Kaelber
- Departments of Information Services, Internal Medicine, Pediatrics, Epidemiology and Biostatistics, Center for Clinical Informatics Research and Education, The MetroHealth System, Case Western Reserve University, 2500 MetroHeatlh Drive, Cleveland, OH 44109, USA
| | - N Lance Downing
- Department of Clinical Informatics, Stanford Children's Health, 1265 Welch Road, MSOB XIC65A, Stanford, CA 94305, USA
| | - Veena V Goel
- Department of Pediatrics, Stanford University School of Medicine, 300 Pasteur Drive, Room G-306, Stanford, CA 94304, USA; Department of Clinical Informatics, Stanford Children's Health, 1265 Welch Road, MSOB XIC65A, Stanford, CA 94305, USA
| | - Christopher A Longhurst
- Department of Biomedical Informatics, UC San Diego School of Medicine, 9560 Towne Centre Drive, San Diego, CA 92121, USA
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Travers J, Rothenberg ME. Eosinophils in mucosal immune responses. Mucosal Immunol 2015; 8:464-75. [PMID: 25807184 PMCID: PMC4476057 DOI: 10.1038/mi.2015.2] [Citation(s) in RCA: 125] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Accepted: 12/28/2014] [Indexed: 02/06/2023]
Abstract
Eosinophils, multifunctional cells that contribute to both innate and adaptive immunity, are involved in the initiation, propagation, and resolution of immune responses, including tissue repair. They achieve this multifunctionality by expression of a diverse set of activation receptors, including those that directly recognize pathogens and opsonized targets, and by their ability to store and release preformed cytotoxic mediators that participate in host defense, to produce a variety of de novo pleotropic mediators and cytokines, and to interact directly and indirectly with diverse cell types, including adaptive and innate immunocytes and structural cells. Herein, we review the basic biology of eosinophils and then focus on new emerging concepts about their role in mucosal immune homeostasis, particularly maintenance of intestinal IgA. We review emerging data about their development and regulation and describe new concepts concerning mucosal eosinophilic diseases. We describe recently developed therapeutic strategies to modify eosinophil levels and function and provide collective insight about the beneficial and detrimental functions of these enigmatic cells.
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36
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Rothenberg ME. Molecular, genetic, and cellular bases for treating eosinophilic esophagitis. Gastroenterology 2015; 148:1143-57. [PMID: 25666870 PMCID: PMC4409569 DOI: 10.1053/j.gastro.2015.02.002] [Citation(s) in RCA: 136] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Revised: 01/28/2015] [Accepted: 02/02/2015] [Indexed: 12/17/2022]
Abstract
Eosinophilic esophagitis (EoE) was historically distinguished from gastroesophageal reflux disease on the basis of histology and lack of responsiveness to acid suppressive therapy, but it is now appreciated that esophageal eosinophilia can respond to proton pump inhibitors. Genetic and environmental factors contribute to risk for EoE, particularly early-life events. Disease pathogenesis involves activation of epithelial inflammatory pathways (production of eotaxin-3 [encoded by CCL26]), impaired barrier function (mediated by loss of desmoglein-1), increased production and/or activity of transforming growth factor-β, and induction of allergic inflammation by eosinophils and mast cells. Susceptibility has been associated with variants at 5q22 (TSLP) and 2p23 (CAPN14), indicating roles for allergic sensitization and esophageal specific protease pathways. We propose that EoE is a unique disease characterized by food hypersensitivity; strong hereditability influenced by early-life exposures and esophageal-specific genetic risk variants; and allergic inflammation and that the disease is remitted by disrupting inflammatory and T-helper type 2 cytokine-mediated responses and through dietary elimination therapy.
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Affiliation(s)
- Marc E. Rothenberg
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio
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Caldwell JM, Collins MH, Stucke EM, Putnam PE, Franciosi JP, Kushner JP, Abonia JP, Rothenberg ME. Histologic eosinophilic gastritis is a systemic disorder associated with blood and extragastric eosinophilia, TH2 immunity, and a unique gastric transcriptome. J Allergy Clin Immunol 2014; 134:1114-24. [PMID: 25234644 DOI: 10.1016/j.jaci.2014.07.026] [Citation(s) in RCA: 118] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Revised: 06/05/2014] [Accepted: 07/10/2014] [Indexed: 02/08/2023]
Abstract
BACKGROUND The definition of eosinophilic gastritis (EG) is currently limited to histologic EG based on the tissue eosinophil count. OBJECTIVE We aimed to provide additional fundamental information about the molecular, histopathologic, and clinical characteristics of EG. METHODS Genome-wide transcript profiles and histologic features of gastric biopsy specimens, as well as blood eosinophil counts, were analyzed in patients with EG and control subjects (n = 15 each). RESULTS The peak gastric antrum eosinophil count was 283 ± 164 eosinophils/×400 high-power field in patients with EG and 11 ± 9 eosinophils/×400 high-power field in control subjects (P = 6.1 × 10(-7)). Patients with EG (87%) had coexisting eosinophilic inflammation in multiple gastrointestinal segments; the esophagus represented the most common secondary site. Increased peripheral blood eosinophil counts (patients with EG: 1.09 ± 0.88 × 10(3)/μL vs control subjects: 0.09 ± 0.08 10(3)/μL, P = .0027) positively correlated with peak gastric eosinophil counts (Pearson r(2) = .8102, P < .0001). MIB-1(+) (proliferating), CD117(+) (mast cells), and FOXP3(+) (regulatory T cells, activated T cells, or both) cell counts were increased in patients with EG. Transcript profiling revealed changes in 8% of the genome in gastric tissue from patients with EG. Only 7% of this EG transcriptome overlapped with the eosinophilic esophagitis transcriptome. Significantly increased IL4, IL5, IL13, IL17, CCL26, and mast cell-specific transcripts and decreased IL33 transcripts were observed. CONCLUSION EG is a systemic disorder involving profound blood and gastrointestinal tract eosinophilia, TH2 immunity, and a conserved gastric transcriptome markedly distinct from the eosinophilic esophagitis transcriptome. The data herein define germane cellular and molecular pathways of EG and provide a basis for improving diagnosis and treatment.
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Affiliation(s)
- Julie M Caldwell
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Margaret H Collins
- Division of Pathology and Laboratory Medicine, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Emily M Stucke
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Philip E Putnam
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - James P Franciosi
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Jonathan P Kushner
- Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - J Pablo Abonia
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Marc E Rothenberg
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio.
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Abstract
Eosinophilic esophagitis (EoE) is a complex, polygenic disorder caused by genetic predisposition and environmental exposures. Because of the recent emergence of EoE as a bona fide global health concern, a paucity of available therapeutic and diagnostic options exists. However, rapid progress has been made in an effort to rectify this lack and to improve understanding of the factors that cause EoE. This article highlights key advances in elucidating the genetic (and epigenetic) components involved in EoE.
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Affiliation(s)
- Joseph D Sherrill
- Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, 3333 Burnet Avenue, Cincinnati, OH 45229, USA
| | - Marc E Rothenberg
- Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, 3333 Burnet Avenue, Cincinnati, OH 45229, USA.
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