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Ma W, Huang G, Wang Z, Wang L, Gao Q. IRF7: role and regulation in immunity and autoimmunity. Front Immunol 2023; 14:1236923. [PMID: 37638030 PMCID: PMC10449649 DOI: 10.3389/fimmu.2023.1236923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 07/25/2023] [Indexed: 08/29/2023] Open
Abstract
Interferon regulatory factor (IRF) 7 was originally identified as master transcriptional factor that produced IFN-I and regulated innate immune response, subsequent studies have revealed that IRF7 performs a multifaceted and versatile functions in multiple biological processes. In this review, we provide a comprehensive overview on the current knowledge of the role of IRF7 in immunity and autoimmunity. We focus on the latest regulatory mechanisms of IRF7 in IFN-I, including signaling pathways, transcription, translation, and post-translational levels, the dimerization and nuclear translocation, and the role of IRF7 in IFN-III and COVID-19. In addition to antiviral immunity, we also discuss the role and mechanism of IRF7 in autoimmunity, and the further research will expand our understanding of IRF7.
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Affiliation(s)
- Wei Ma
- Department of Cell Biology, College of Basic Medical Sciences, Army Medical University (Third Military Medical University), Chongqing, China
- Department of Wound Infection and Drug, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Gang Huang
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Zhi Wang
- Department of Cell Biology, College of Basic Medical Sciences, Army Medical University (Third Military Medical University), Chongqing, China
| | - Li Wang
- Department of Cell Biology, College of Basic Medical Sciences, Army Medical University (Third Military Medical University), Chongqing, China
| | - Qiangguo Gao
- Department of Cell Biology, College of Basic Medical Sciences, Army Medical University (Third Military Medical University), Chongqing, China
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Šimkovič M, Turcsányi P, Špaček M, Mihályová J, Ryznerová P, Maco M, Vodárek P, Écsiová D, Poul H, Móciková H, Zuchnická J, Panovská A, Lekaa M, Oršulová M, Prchlíková A, Stejskal L, Mašlejová S, Brychtová Y, Bezděková L, Papajík T, Lysák D, Trněný M, Smolej L, Doubek M. COVID-19 in patients with chronic lymphocytic leukemia: a multicenter analysis by the Czech CLL study group. Ann Hematol 2023; 102:811-817. [PMID: 36847805 PMCID: PMC9969021 DOI: 10.1007/s00277-023-05147-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 12/15/2022] [Indexed: 03/01/2023]
Abstract
Patients with chronic lymphocytic leukemia (CLL) have a high risk of poor outcomes related to coronavirus disease 2019 (COVID-19). This multicenter cohort study evaluated the impact of COVID-19 infection on the population of CLL patients in the Czech Republic. Between March 2020 and May 2021, 341 patients (237 males) with CLL and COVID-19 disease were identified. The median age was 69 years (range 38-91). Out of the 214 (63%) patients with the history of therapy for CLL, 97 (45%) were receiving CLL-directed treatment at diagnosis of COVID-19: 29% Bruton tyrosine kinase inhibitor (BTKi), 16% chemoimmunotherapy (CIT), 11% Bcl-2 inhibitor, and 4% phosphoinositide 3-kinase inhibitor. Regarding the severity of COVID-19, 60% pts required admission to the hospital, 21% pts were admitted to the intensive care unit (ICU), and 12% received invasive mechanical ventilation. The overall case fatality rate was 28%. Major comorbidities, age over 72, male gender, CLL treatment in history, CLL-directed treatment at COVID-19 diagnosis were associated with increased risk of death. Of note, concurrent therapy with BTKi compared to CIT was not associated with better outcome of COVID-19.
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Affiliation(s)
- Martin Šimkovič
- 4th Department of Internal Medicine - Hematology, Faculty of Medicine in Hradec Králové, University Hospital and Charles University in Prague, Prague, Czech Republic.
| | - Peter Turcsányi
- Department of Haematology-Oncology, University Hospital, Olomouc, Czech Republic
| | - Martin Špaček
- First Department of Medicine - Haematology, University General Hospital, Prague, Czech Republic
| | - Jana Mihályová
- Department of Hematooncology, University Hospital, Ostrava, Czech Republic
| | - Pavlína Ryznerová
- Department of Haematology-Oncology, University Hospital, Olomouc, Czech Republic
| | - Mária Maco
- Department of Internal Medicine - Haematology, University Hospital Královské Vinohrady, Prague, Czech Republic
| | - Pavel Vodárek
- 4th Department of Internal Medicine - Hematology, Faculty of Medicine in Hradec Králové, University Hospital and Charles University in Prague, Prague, Czech Republic
| | - Dominika Écsiová
- 4th Department of Internal Medicine - Hematology, Faculty of Medicine in Hradec Králové, University Hospital and Charles University in Prague, Prague, Czech Republic
| | - Hynek Poul
- Department of Hematology and Transfusion Medicine, Hospital Pelhrimov, Pelhrimov, Czech Republic
| | - Heidi Móciková
- Department of Internal Medicine - Haematology, University Hospital Královské Vinohrady, Prague, Czech Republic
| | - Jana Zuchnická
- Department of Hematooncology, University Hospital, Ostrava, Czech Republic
| | - Anna Panovská
- Department of Internal Medicine - Haematology and Oncology, University Hospital, Brno, Czech Republic
| | - Mohammad Lekaa
- Department of Hematology and Oncology, Medical School and Teaching Hospital in Plzen, Charles University in Prague, Plzen, Czech Republic
| | - Martina Oršulová
- Department of Internal Medicine - Haematology and Oncology, University Hospital, Brno, Czech Republic
| | - Adéla Prchlíková
- Department of Internal Medicine - Haematology and Oncology, University Hospital, Brno, Czech Republic
| | - Lukáš Stejskal
- Haematology/Tranfusiology Department, Silesian Hospital Opava, Opava, Czech Republic
| | - Stanislava Mašlejová
- Department of Internal Medicine - Haematology and Oncology, University Hospital, Brno, Czech Republic
| | - Yvona Brychtová
- Department of Internal Medicine - Haematology and Oncology, University Hospital, Brno, Czech Republic
| | - Lucie Bezděková
- Department of Internal Medicine - Haematology and Oncology, University Hospital, Brno, Czech Republic
| | - Tomáš Papajík
- Department of Haematology-Oncology, University Hospital, Olomouc, Czech Republic
| | - Daniel Lysák
- Department of Hematology and Oncology, Medical School and Teaching Hospital in Plzen, Charles University in Prague, Plzen, Czech Republic
| | - Marek Trněný
- First Department of Medicine - Haematology, University General Hospital, Prague, Czech Republic
| | - Lukáš Smolej
- 4th Department of Internal Medicine - Hematology, Faculty of Medicine in Hradec Králové, University Hospital and Charles University in Prague, Prague, Czech Republic
| | - Michael Doubek
- Department of Internal Medicine - Haematology and Oncology, University Hospital, Brno, Czech Republic
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Casanova JL, Anderson MS. Unlocking life-threatening COVID-19 through two types of inborn errors of type I IFNs. J Clin Invest 2023; 133:e166283. [PMID: 36719370 PMCID: PMC9888384 DOI: 10.1172/jci166283] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Since 2003, rare inborn errors of human type I IFN immunity have been discovered, each underlying a few severe viral illnesses. Autoantibodies neutralizing type I IFNs due to rare inborn errors of autoimmune regulator (AIRE)-driven T cell tolerance were discovered in 2006, but not initially linked to any viral disease. These two lines of clinical investigation converged in 2020, with the discovery that inherited and/or autoimmune deficiencies of type I IFN immunity accounted for approximately 15%-20% of cases of critical COVID-19 pneumonia in unvaccinated individuals. Thus, insufficient type I IFN immunity at the onset of SARS-CoV-2 infection may be a general determinant of life-threatening COVID-19. These findings illustrate the unpredictable, but considerable, contribution of the study of rare human genetic diseases to basic biology and public health.
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Affiliation(s)
- Jean-Laurent Casanova
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, New York, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- Paris Cité University, Imagine Institute, Paris, France
- Department of Pediatrics, Necker Hospital for Sick Children, Paris, France
- Howard Hughes Medical Institute, New York, New York, USA
| | - Mark S. Anderson
- Diabetes Center and
- Department of Medicine, UCSF, San Francisco, California, USA
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Smith CIE, Bergman P, Hagey DW. Estimating the number of diseases – the concept of rare, ultra-rare and hyper-rare. iScience 2022; 25:104698. [PMID: 35856030 PMCID: PMC9287598 DOI: 10.1016/j.isci.2022.104698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
At the dawn of the personalized medicine era, the number of rare diseases has been estimated at 10,000. By considering the influence of environmental factors together with genetic variations and our improved diagnostic capabilities, an assessment suggests a considerably larger number. The majority would be extremely rare, and hence, we introduce the term “hyper-rare,” defined as affecting <1/108 individuals. Such disorders would potentially outnumber all currently known rare diseases. Because autosomal recessive disorders are likely concentrated in consanguineous populations, and rare toxicities in rural areas, establishing their existence necessitates a greater reach than is currently viable. Moreover, the randomness of X-linked and gain-of-function mutations greatly compound this challenge. However, whether concurrent diseases actually cause a distinct illness will depend on if their pathological mechanisms interact (phenotype conversion) or not (phenotype maintenance). The hyper-rare disease concept will be important in precision medicine with improved diagnosis and treatment of rare disease patients.
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Affiliation(s)
- C. I. Edvard Smith
- Department of Laboratory Medicine, Biomolecular and Cellular Medicine and Translational Research Center Karolinska (TRACK), Karolinska Institutet, Stockholm, Sweden
- Department of Infectious Diseases, Karolinska University Hospital Huddinge, Stockholm, Sweden
- Stellenbosch Institute for Advanced Study, Wallenberg Research Centre, Stellenbosch University, Stellenbosch 7600, South Africa
- Corresponding author
| | - Peter Bergman
- Department of Infectious Diseases, Karolinska University Hospital Huddinge, Stockholm, Sweden
- Department of Laboratory Medicine, Clinical Microbiology, Karolinska Institutet, Stockholm, Sweden
| | - Daniel W. Hagey
- Department of Laboratory Medicine, Biomolecular and Cellular Medicine and Translational Research Center Karolinska (TRACK), Karolinska Institutet, Stockholm, Sweden
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