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Sánchez-Ramón S, Fuentes-Antrás J, Rider NL, Pérez-Segura P, de la Fuente-Muñoz E, Fernández-Arquero M, Neves E, Pérez de Diego R, Ocaña A, Guevara-Hoyer K. Exploring gastric cancer genetics: A turning point in common variable immunodeficiency. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. GLOBAL 2024; 3:100203. [PMID: 38283086 PMCID: PMC10818086 DOI: 10.1016/j.jacig.2023.100203] [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: 05/10/2023] [Revised: 10/11/2023] [Accepted: 10/31/2023] [Indexed: 01/30/2024]
Abstract
Background Gastric cancer (GC) stands as a prominent cause of cancer-related mortality and ranks second among the most frequently diagnosed malignancies in individuals with common variable immunodeficiency (CVID). Objective We sought to conduct a comprehensive, large-scale genetic analysis to explore the CVID-associated germline variant landscape within gastric adenocarcinoma samples and to seek to delineate the transcriptomic similarities between GC and CVID. Methods We investigated the presence of CVID-associated germline variants in 1591 GC samples and assessed their impact on tumor mutational load. The progression of GC was evaluated in patients with and without these variants. Transcriptomic similarities were explored by matching differentially expressed genes in GC to healthy gastric tissue with a CVID transcriptomic signature. Results CVID-associated germline variants were found in 60% of GC samples. Our analysis revealed a significant association between the presence of CVID-related genetic variants and higher tumor mutational load in GC (P < .0001); high GC mutational load seems to be linked to immunotherapy response and worse prognosis. Transcriptomic similarities unveiled key genes and pathways implicated in innate immune responses and tumorigenesis. We identified upregulated genes related to oncogene drivers, inflammation, tumor suppression, DNA repair, and downregulated immunomodulatory genes shared between GC and CVID. Conclusions Our findings contribute to a deeper understanding of potential molecular modulators of GC and shed light on the intricate interplay between immunodeficiency and cancer. This study underscores the clinical relevance of CVID-related variants in influencing GC progression and opens avenues for further exploration into novel therapeutic approaches.
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Affiliation(s)
- Silvia Sánchez-Ramón
- Cancer Immunomonitoring and Immune-Mediated Diseases Research Unit, San Carlos Health Research Institute (IdSSC), Department of Clinical Immunology, San Carlos University Hospital, Madrid, Spain
- Department of Clinical Immunology, Instituto de médicina de laboratorio (IML) and IdSSC, San Carlos University Hospital, Madrid, Spain
- Department of Immunology, Ophthalmology and ENT, School of Medicine, Universidad Complutense, Madrid, Spain
| | - Jesús Fuentes-Antrás
- Department of Medical Oncology, IdSSC, San Carlos University Hospital, Madrid, Spain
- Experimental Therapeutics and Translational Oncology Unit, Department of Medical Oncology, IdSSC, San Carlos University Hospital, and CIBERONC, Madrid, Spain
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Nicholas L. Rider
- Division of Clinical Informatics, Pediatrics, Allergy and Immunology, Liberty University College of Osteopathic Medicine and Collaborative Health Partners, Lynchburg, Va
| | - Pedro Pérez-Segura
- Department of Medical Oncology, IdSSC, San Carlos University Hospital, Madrid, Spain
| | - Eduardo de la Fuente-Muñoz
- Cancer Immunomonitoring and Immune-Mediated Diseases Research Unit, San Carlos Health Research Institute (IdSSC), Department of Clinical Immunology, San Carlos University Hospital, Madrid, Spain
- Department of Clinical Immunology, Instituto de médicina de laboratorio (IML) and IdSSC, San Carlos University Hospital, Madrid, Spain
- Department of Immunology, Ophthalmology and ENT, School of Medicine, Universidad Complutense, Madrid, Spain
| | - Miguel Fernández-Arquero
- Cancer Immunomonitoring and Immune-Mediated Diseases Research Unit, San Carlos Health Research Institute (IdSSC), Department of Clinical Immunology, San Carlos University Hospital, Madrid, Spain
- Department of Clinical Immunology, Instituto de médicina de laboratorio (IML) and IdSSC, San Carlos University Hospital, Madrid, Spain
- Department of Immunology, Ophthalmology and ENT, School of Medicine, Universidad Complutense, Madrid, Spain
| | - Esmeralda Neves
- Department of Immunology, Centro Hospitalar e Universitário de Santo António, Porto, Portugal
| | - Rebeca Pérez de Diego
- Department of Immunology, Ophthalmology and ENT, School of Medicine, Universidad Complutense, Madrid, Spain
- Laboratory of Immunogenetics of Human Diseases, IdiPAZ Institute for Health Research, Madrid, Spain
| | - Alberto Ocaña
- Department of Medical Oncology, IdSSC, San Carlos University Hospital, Madrid, Spain
- Experimental Therapeutics and Translational Oncology Unit, Department of Medical Oncology, IdSSC, San Carlos University Hospital, and CIBERONC, Madrid, Spain
| | - Kissy Guevara-Hoyer
- Cancer Immunomonitoring and Immune-Mediated Diseases Research Unit, San Carlos Health Research Institute (IdSSC), Department of Clinical Immunology, San Carlos University Hospital, Madrid, Spain
- Department of Clinical Immunology, Instituto de médicina de laboratorio (IML) and IdSSC, San Carlos University Hospital, Madrid, Spain
- Department of Immunology, Ophthalmology and ENT, School of Medicine, Universidad Complutense, Madrid, Spain
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Holma P, Pesonen P, Karjalainen MK, Järvelin MR, Väyrynen S, Sliz E, Heikkilä A, Seppänen MRJ, Kettunen J, Auvinen J, Hautala T. Low and high serum IgG associates with respiratory infections in a young and working age population. EBioMedicine 2023; 94:104712. [PMID: 37453363 PMCID: PMC10366395 DOI: 10.1016/j.ebiom.2023.104712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/26/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023] Open
Abstract
BACKGROUND We investigated health consequences and genetic properties associated with serum IgG concentration in a young and working age general population. METHODS Northern Finland Birth Cohort 1966 (NFBC1966, n = 12,231) health data have been collected from birth to 52 years of age. Relationships between life-long health events, medications, chronic conditions, lifestyle, and serum IgG concentration measured at age 46 years (n = 5430) were analysed. Regulatory mechanisms of serum IgG concentration were considered. FINDINGS Smoking and genetic variation (FCGR2B and TNFRSF13B) were the most important determinants of serum IgG concentration. Laboratory findings suggestive of common variable immunodeficiency (CVID) were 10-fold higher compared to previous reports (73.7 per 100,000 vs 0.6-6.9 per 100,000). Low IgG was associated with antibiotic use (relative risk 1.285, 95% CI 1.001-1.648; p = 0.049) and sinus surgery (relative risk 2.257, 95% CI 1.163-4.379; p = 0.016). High serum IgG was associated with at least one pneumonia episode (relative risk 1.737, 95% CI 1.032-2.922; p = 0.038) and with total number of pneumonia episodes (relative risk 2.167, 95% CI 1.443-3.254; p < 0.001). INTERPRETATION CVID-like laboratory findings are surprisingly common in our unselected study population. Any deviation of serum IgG from normal values can be harmful; both low and high serum IgG may indicate immunological insufficiency. Critical evaluation of clinical presentation must accompany immunological laboratory parameters. FUNDING Oulu University Hospital VTR, CSL Behring, Foundation for Pediatric Research.
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Affiliation(s)
- Pia Holma
- Research Unit of Internal Medicine and Biomedicine, University of Oulu and Oulu University Hospital, Division of Infectious Diseases, Oulu, Finland
| | - Paula Pesonen
- Northern Finland Birth Cohorts, Arctic Biobank, Infrastructure for Population Studies, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Minna K Karjalainen
- Northern Finland Birth Cohorts, Arctic Biobank, Infrastructure for Population Studies, Faculty of Medicine, University of Oulu, Oulu, Finland; Research Unit of Population Health, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Marjo-Riitta Järvelin
- Research Unit of Population Health, Faculty of Medicine, University of Oulu, Oulu, Finland; Department of Epidemiology and Biostatistics, MRC Center for Environment & Health, School of Public Health, Imperial College London, London, UK
| | - Sara Väyrynen
- Research Unit of Internal Medicine and Biomedicine, University of Oulu and Oulu University Hospital, Division of Infectious Diseases, Oulu, Finland
| | - Eeva Sliz
- Research Unit of Population Health, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Anni Heikkilä
- Research Unit of Population Health, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Mikko R J Seppänen
- Rare Disease Center and Pediatric Research Center, Children and Adolescents, University of Helsinki and HUS Helsinki University Hospital, Helsinki, Finland
| | - Johannes Kettunen
- Research Unit of Population Health, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Juha Auvinen
- Research Unit of Population Health, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Timo Hautala
- Research Unit of Internal Medicine and Biomedicine, University of Oulu and Oulu University Hospital, Division of Infectious Diseases, Oulu, Finland.
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Nandiwada SL. Overview of human B-cell development and antibody deficiencies. J Immunol Methods 2023:113485. [PMID: 37150477 DOI: 10.1016/j.jim.2023.113485] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 05/04/2023] [Indexed: 05/09/2023]
Abstract
B cells are a key component of the humoral (antibody-mediated) immune response which is responsible for defense against a variety of pathogens. Here we provide an overview of the current understanding of B cell development and function and briefly describe inborn errors of immunity associated with B cell development defects which can manifest as immune deficiency, malignancy, autoimmunity, or allergy. The knowledge and application of B cell biology are essential for laboratory evaluation and clinical assessment of these B cell disorders.
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Affiliation(s)
- Sarada L Nandiwada
- The Texas Children's Hospital, Section of Immunology, Allergy, and Retrovirology, Baylor College of Medicine, Houston, TX, United States.
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The Autoimmune Manifestations in Patients with Genetic Defects in the B Cell Development and Differentiation Stages. J Clin Immunol 2023; 43:819-834. [PMID: 36790564 PMCID: PMC10110688 DOI: 10.1007/s10875-023-01442-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 01/22/2023] [Indexed: 02/16/2023]
Abstract
PURPOSE Primary B cell defects manifesting as predominantly antibody deficiencies result from variable inborn errors of the B cell lineage and their development, including impairments in early bone marrow development, class switch recombination (CSR), or terminal B cell differentiation. In this study, we aimed to investigate autoimmunity in monogenic patients with B cell development and differentiation defects. METHODS Patients with known genetic defects in the B cell development and differentiation were recruited from the Iranian inborn errors of immunity registry. RESULTS A total of 393 patients with a known genetic defect in the B cell development and differentiation (257 males; 65.4%) with a median age of 12 (6-20) years were enrolled in this study. After categorizing patients, 109 patients had intrinsic B cell defects. More than half of the patients had defects in one of the ATM (85 patients), BTK (76 patients), LRBA (34 patients), and DOCK8 (33 patients) genes. Fifteen patients (3.8%) showed autoimmune complications as their first manifestation. During the course of the disease, autoimmunity was reported in 81 (20.6%) patients at a median age of 4 (2-7) years, among which 65 patients had mixed intrinsic and extrinsic and 16 had intrinsic B cell defects. The comparison between patients with the mentioned four main gene defects showed that the patient group with LRBA defect had a significantly higher frequency of autoimmunity compared to those with other gene defects. Based on the B cell defect stage, 13% of patients with early B cell defect, 17% of patients with CSR defect, and 40% of patients who had terminal B cell defect presented at least one type of autoimmunity. CONCLUSION Our results demonstrated that gene mutations involved in human B cell terminal stage development mainly LRBA gene defect have the highest association with autoimmunity.
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Vlachiotis S, Abolhassani H. Transcriptional regulation of B cell class-switch recombination: the role in development of noninfectious complications. Expert Rev Clin Immunol 2022; 18:1145-1154. [DOI: 10.1080/1744666x.2022.2123795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Stelios Vlachiotis
- Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden
| | - Hassan Abolhassani
- Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
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Fournier B, Mahlaoui N, Moshous D, de Villartay JP. Inborn errors of immunity caused by defects in the DNA damage response pathways: Importance of minimizing treatment-related genotoxicity. Pediatr Allergy Immunol 2022; 33:e13820. [PMID: 35754136 PMCID: PMC9327728 DOI: 10.1111/pai.13820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 05/25/2022] [Accepted: 05/30/2022] [Indexed: 12/11/2022]
Abstract
Several primary immunodeficiencies are caused by defects in the general DNA repair machinery as exemplified by the T-B- radiosensitive SCID condition owing to impaired resolution of programmed DNA double-strand breaks introduced by RAG1/2 during V(D)J recombination. The genome instability generally associated with these conditions results in an increased propensity to develop malignancies requiring genotoxic-based anti-cancer treatments. Moreover, the extent of immune deficiency often calls for hematopoietic stem cell transplantation as a definitive treatment, also requiring genotoxic-based conditioning regimen prior to transplantation. In both cases, the underlying general DNA repair defect may result in catastrophic iatrogenic consequences. It is, therefore, of paramount importance to assess the functionality of the DNA repair apparatus prior to any genotoxic treatment when the exact molecular cause of the disease is unknown. For this purpose, two simple assays can be used on patients derived peripheral blood lymphocytes: (1) the PROMIDISα biomarker, based on the next-generation sequencing analysis of the TCRα repertoire, will highlight specific signatures of DNA repair deficiencies; (2) direct analysis of the sensitivity of peripheral lymphocytes to ionizing radiation will formally identify patients at risk to develop toxicity toward genotoxic-based treatments.
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Affiliation(s)
- Benjamin Fournier
- Pediatric Hematology-Immunology and Rheumatology Department, APHP-Centre Université de Paris (CUP), Necker Hospital, Paris, France
| | - Nizar Mahlaoui
- Pediatric Hematology-Immunology and Rheumatology Department, APHP-Centre Université de Paris (CUP), Necker Hospital, Paris, France.,French National Reference Center for Primary Immune Deficiencies (CEREDIH), Necker Enfants Malades University Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Despina Moshous
- Pediatric Hematology-Immunology and Rheumatology Department, APHP-Centre Université de Paris (CUP), Necker Hospital, Paris, France.,Laboratory "Genome Dynamics in the Immune System" INSERM UMR 1163, Imagine Institute, Université de Paris Cité, Paris, France
| | - Jean-Pierre de Villartay
- Laboratory "Genome Dynamics in the Immune System" INSERM UMR 1163, Imagine Institute, Université de Paris Cité, Paris, France.,Equipe Labellisée Ligue Nationale Contre le Cancer, Paris, France
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Oliveira TT, Coutinho LG, de Oliveira LOA, Timoteo ARDS, Farias GC, Agnez-Lima LF. APE1/Ref-1 Role in Inflammation and Immune Response. Front Immunol 2022; 13:793096. [PMID: 35296074 PMCID: PMC8918667 DOI: 10.3389/fimmu.2022.793096] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 02/07/2022] [Indexed: 12/12/2022] Open
Abstract
Apurinic/apyrimidinic endonuclease 1/redox effector factor 1 (APE1/Ref-1) is a multifunctional enzyme that is essential for maintaining cellular homeostasis. APE1 is the major apurinic/apyrimidinic endonuclease in the base excision repair pathway and acts as a redox-dependent regulator of several transcription factors, including NF-κB, AP-1, HIF-1α, and STAT3. These functions render APE1 vital to regulating cell signaling, senescence, and inflammatory pathways. In addition to regulating cytokine and chemokine expression through activation of redox sensitive transcription factors, APE1 participates in other critical processes in the immune response, including production of reactive oxygen species and class switch recombination. Furthermore, through participation in active chromatin demethylation, the repair function of APE1 also regulates transcription of some genes, including cytokines such as TNFα. The multiple functions of APE1 make it an essential regulator of the pathogenesis of several diseases, including cancer and neurological disorders. Therefore, APE1 inhibitors have therapeutic potential. APE1 is highly expressed in the central nervous system (CNS) and participates in tissue homeostasis, and its roles in neurodegenerative and neuroinflammatory diseases have been elucidated. This review discusses known roles of APE1 in innate and adaptive immunity, especially in the CNS, recent evidence of a role in the extracellular environment, and the therapeutic potential of APE1 inhibitors in infectious/immune diseases.
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Affiliation(s)
- Thais Teixeira Oliveira
- Departamento de Biologia Celular e Genética, Universidade Federal do Rio Grande do Norte (UFRN), Natal, Brazil
| | - Leonam Gomes Coutinho
- Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Norte (IFRN), São Paulo do Potengi, Brazil
| | | | | | - Guilherme Cavalcanti Farias
- Departamento de Biologia Celular e Genética, Universidade Federal do Rio Grande do Norte (UFRN), Natal, Brazil
| | - Lucymara Fassarella Agnez-Lima
- Departamento de Biologia Celular e Genética, Universidade Federal do Rio Grande do Norte (UFRN), Natal, Brazil
- *Correspondence: Lucymara Fassarella Agnez-Lima,
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Eigenmann P. Comments on metabolomics in asthma and atopic dermatitis, and patient care during the COVID-19 pandemic. Pediatr Allergy Immunol 2021; 32:1597-1600. [PMID: 34719820 PMCID: PMC8646783 DOI: 10.1111/pai.13664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 09/01/2021] [Indexed: 11/28/2022]
Affiliation(s)
- Philippe Eigenmann
- Department of Pediatrics, Gynecology and Obstetrics, University Hospital of Geneva, Geneva, Switzerland
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Primary antibody deficiencies in Turkey: molecular and clinical aspects. Immunol Res 2021; 70:44-55. [PMID: 34618307 DOI: 10.1007/s12026-021-09242-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 09/30/2021] [Indexed: 10/20/2022]
Abstract
Primary antibody deficiencies (PAD) are the most common subtype of primary immunodeficiencies, characterized by increased susceptibility to infections and autoimmunity, allergy, or malignancy predisposition. PAD syndromes comprise of immune system genes highlighted the key role of B cell activation, proliferation, migration, somatic hypermutation, or isotype switching have a wide spectrum from agammaglobulinemia to selective Ig deficiency. In this study, we describe the molecular and the clinical aspects of fifty-two PAD patients. The most common symptoms of our cohort were upper and lower respiratory infections, bronchiectasis, diarrhea, and recurrent fever. Almost all patients (98%) had at least one of the symptoms like autoimmunity, lymphoproliferation, allergy, or gastrointestinal disease. A custom-made next-generation sequencing (NGS) panel, which contains 24 genes, was designed to identify well-known disease-causing variants in our cohort. We identified eight variants (15.4%) among 52 PAD patients. The variants mapped to BTK (n = 4), CD40L (n = 1), ICOS (n = 1), IGHM (n = 1), and TCF3 (n = 1) genes. Three novel variants were described in the BTK (p.G414W), ICOS (p.G60*), and IGHM (p.S19*) genes. We performed Sanger sequencing to validate pathogenic variants and check for allelic segregation in the family. Targeted NGS panel sequencing can be beneficial as a suitable diagnostic modality for diagnosing well-known monogenic PAD diseases (only 2-10% of PADs); however, screening only the coding regions of the genome may not be adequately powered to solve the pathogenesis of PAD in all cases. Deciphering the regulatory regions of the genome and better understanding the epigenetic modifications will elucidate the molecular basis of complex PADs.
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