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Flood P, Fanning A, Woznicki JA, Crowley T, Christopher A, Vaccaro A, Houston A, McSweeney S, Ross S, Hogan A, Brint E, Skowyra A, Bustamante M, Ambrose M, Moloney G, MacSharry J, Hammarström ML, Hurley M, Fitzgibbons C, Quigley EMM, Shanahan F, Zulquernain SA, McCarthy J, Dodson GS, Dabbagh K, McRae BL, Melgar S, Nally K. DNA sensor-associated type I interferon signaling is increased in ulcerative colitis and induces JAK-dependent inflammatory cell death in colonic organoids. Am J Physiol Gastrointest Liver Physiol 2022; 323:G439-G460. [PMID: 36165492 DOI: 10.1152/ajpgi.00104.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
DNA sensor pathways can initiate inflammasome, cell death, and type I interferon (IFN) signaling in immune-mediated inflammatory diseases (IMIDs), including type I interferonopathies. We investigated the involvement of these pathways in the pathogenesis of ulcerative colitis (UC) by analyzing the expression of DNA sensor, inflammasome, and type I IFN biomarker genes in colonic mucosal biopsy tissue from control (n = 31), inactive UC (n = 31), active UC (n = 33), and a UC single-cell RNA-Seq dataset. The effects of type I IFN (IFN-β), IFN-γ, and TNF-α on gene expression, cytokine production, and cell death were investigated in human colonic organoids. In organoids treated with cytokines alone, or in combination with NLR family pyrin domain-containing 3 (NLRP3), caspase, or JAK inhibitors, cell death was measured, and supernatants were assayed for IL-1β/IL-18/CXCL10. The expression of DNA sensor pathway genes-PYHIN family members [absent in melanoma 2 (AIM2), IFI16, myeloid cell nuclear differentiation antigen (MNDA), and pyrin and HIN domain family member 1 (PYHIN1)- as well as Z-DNA-binding protein 1 (ZBP1), cyclic GMP-AMP synthase (cGAS), and DDX41 was increased in active UC and expressed in a cell type-restricted pattern. Inflammasome genes (CASP1, IL1B, and IL18), type I IFN inducers [stimulator of interferon response cGAMP interactor 1 (STING), TBK1, and IRF3), IFNB1, and type I IFN biomarker genes (OAS2, IFIT2, and MX2) were also increased in active UC. Cotreatment of organoids with IFN-β or IFN-γ in combination with TNFα increased expression of IFI16, ZBP1, CASP1, cGAS, and STING induced cell death and IL-1β/IL-18 secretion. This inflammatory cell death was blocked by the JAK inhibitor tofacitinib but not by inflammasome or caspase inhibitors. Increased type I IFN activity may drive elevated expression of DNA sensor genes and JAK-dependent but inflammasome-independent inflammatory cell death of colonic epithelial cells in UC.NEW & NOTEWORTHY This study found that patients with active UC have significantly increased colonic gene expression of cytosolic DNA sensor, inflammasome, STING, and type I IFN signaling pathways. The type I IFN, IFN-β, in combination with TNF-α induced JAK-dependent but NLRP3 and inflammasome-independent inflammatory cell death of colonic organoids. This novel inflammatory cell death phenotype is relevant to UC immunopathology and may partially explain the efficacy of the JAKinibs tofacitinib and upadacitinib in patients with UC.
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Affiliation(s)
- Peter Flood
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Aine Fanning
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | | | - Tadhg Crowley
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | | | | | - Aileen Houston
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- Department of Medicine, University College Cork, Cork, Ireland
| | | | - Sarah Ross
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Aileen Hogan
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Elizabeth Brint
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- Department of Pathology, Cork University Hospital, University College Cork, Clinical Sciences Building, Cork, Ireland
| | | | | | - Monica Ambrose
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Gerard Moloney
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - John MacSharry
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
- School of Medicine, University College Cork, Cork, Ireland
| | - Marie-Louise Hammarström
- Section of Infection and Immunology, Department of Clinical Microbiology, Umeå University, Umeå, Sweden
| | - Margot Hurley
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- Department of Medicine, University College Cork, Cork, Ireland
| | | | | | - Fergus Shanahan
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- Department of Medicine, University College Cork, Cork, Ireland
| | - Syed A Zulquernain
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- Department of Medicine, University College Cork, Cork, Ireland
| | - Jane McCarthy
- Department of Gastroenterology, Mercy University Hospital, Cork, Ireland
| | | | | | - Bradford L McRae
- Immunology Discovery, Abbvie Bioresearch Center, Worcester, Massachusetts
| | - Silvia Melgar
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Ken Nally
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Biochemistry and Cell Biology, University College Cork, Cork, Ireland
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Herlihy N, Feakins R. Gut inflammation induced by drugs: Can pathology help to differentiate from inflammatory bowel disease? United European Gastroenterol J 2022; 10:451-464. [PMID: 35633273 PMCID: PMC9189468 DOI: 10.1002/ueg2.12242] [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: 12/19/2021] [Accepted: 04/24/2022] [Indexed: 12/13/2022] Open
Abstract
Drug‐induced mucosal injury (DIMI) in the gastrointestinal tract is important to recognise, partly because cessation of the culprit agent alone may result in resolution of symptoms. An ever‐growing list of medications, including newer immunotherapeutic agents and targeted therapies, can cause gastrointestinal inflammation of varying severity. However, the diagnosis of DIMI is challenging, as a single drug can induce a variety of histopathological patterns of injury including acute colitis, chronic colitis, microscopic colitis, apoptotic colopathy, and ischaemic‐type colitis. An additional consideration is the potential clinical, endoscopic and histological overlap of DIMI with gastrointestinal mucosal injury secondary to other entities such as inflammatory bowel disease (IBD). We discuss DIMI of the gastrointestinal tract with an emphasis on histological patterns that mimic IBD, histological features which may distinguish the two entities, and the diagnostic role and limitations of the pathologist.
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Affiliation(s)
- Naoimh Herlihy
- Department of Cellular Pathology, Royal Free Hospital, London, UK
| | - Roger Feakins
- Department of Cellular Pathology, Royal Free Hospital, London and University College London, London, UK
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Sordo RD, Lougaris V, Bassotti G, Armuzzi A, Villanacci V. Therapeutic agents affecting the immune system and drug-induced inflammatory bowel disease (IBD): A review on etiological and pathogenetic aspects. Clin Immunol 2021; 234:108916. [PMID: 34971840 DOI: 10.1016/j.clim.2021.108916] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 12/23/2021] [Accepted: 12/23/2021] [Indexed: 01/02/2023]
Abstract
In recent years, therapeutic agents affecting the immune system have been largely implemented in the treatment of various hematological, rheumatological and dermatological disorders. Their clinical use has offered important benefits for affected patients and has also ameliorated clinical outcome and prognosis in many cases. Nonetheless, as any treatment, the use of these drugs may be associated with side effects. One of the target organs in such cases is the gastrointestinal tract. In particular, the exacerbation or the onset of inflammatory bowel disease (IBD) in treated patients is not infrequent, although the mechanism of action of these agents may be different. In this review we will focus on the use of therapeutic agents affecting the immune system and the development or exacerbation of IBD, with a mention on the possible underlying pathogenetic mechanisms.
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Affiliation(s)
- Rachele Del Sordo
- Department of Medicine and Surgery, Section of Anatomic Pathology and Histology, Medical School, University of Perugia, Perugia, Italy
| | - Vassilios Lougaris
- Pediatrics Clinic, Department of Clinical and Experimental Sciences, University of Brescia and Children's Hospital, ASST-Spedali Civili, Brescia, Italy..
| | - Gabrio Bassotti
- Gastroenterology & Hepatology Section, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Alessandro Armuzzi
- IBD Center, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
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Hamdeh S, Micic D, Hanauer S. Drug-Induced Colitis. Clin Gastroenterol Hepatol 2021; 19:1759-1779. [PMID: 32360808 DOI: 10.1016/j.cgh.2020.04.069] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 03/31/2020] [Accepted: 04/20/2020] [Indexed: 02/07/2023]
Abstract
Drug-induced colitis encompasses a wide spectrum of colon disorders that can manifest microscopically or macroscopically. Patients present with new-onset colitis or exacerbations of inflammatory bowel diseases; in some cases, colitis resolves with discontinuation of medication. Mucosal injury can be focal or extensive, involving the entire colonic mucosa, and sometimes involves other parts of the gastrointestinal tract. It has been a challenge to determine the proportion of new-onset colitis caused by medication and there are few data on the overall prevalence. We review the drugs that have been linked with development of drug-induced colitis and strategies for physicians who believe their patients have this disorder-usually discontinuation of the drug believed to cause colitis and treatment with steroids or immune-modulating therapies. Physicians must be aware of medications that can cause colitis.
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Affiliation(s)
- Shadi Hamdeh
- Department of Internal Medicine, Division of Gastroenterology, Hepatology and Motility, University of Kansas, Kansas City, Kansas.
| | - Dejan Micic
- Department of Internal Medicine, Section of Gastroenterology, Hepatology and Nutrition, University of Chicago, Chicago, Illinois
| | - Stephen Hanauer
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
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Stolzer I, Ruder B, Neurath MF, Günther C. Interferons at the crossroad of cell death pathways during gastrointestinal inflammation and infection. Int J Med Microbiol 2021; 311:151491. [PMID: 33662871 DOI: 10.1016/j.ijmm.2021.151491] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 02/03/2021] [Accepted: 02/23/2021] [Indexed: 02/07/2023] Open
Abstract
Interferons (IFNs) are pleiotropic immune-modulatory cytokines that are well known for their essential role in host defense against viruses, bacteria, and other pathogenic microorganisms. They can exert both, protective or destructive functions depending on the microorganism, the targeted tissue and the cellular context. Interferon signaling results in the induction of IFN-stimulated genes (ISGs) influencing different cellular pathways including direct anti-viral/anti-bacterial response, immune-modulation or cell death. Multiple pathways leading to host cell death have been described, and it is becoming clear that depending on the cellular context, IFN-induced cell death can be beneficial for both: host and pathogen. Accordingly, activation or repression of corresponding signaling mechanisms occurs during various types of infection but is also an important pathway for gastrointestinal inflammation and tissue damage. In this review, we summarize the role of interferons at the crossroad of various cell death pathways in the gut during inflammation and infection.
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Affiliation(s)
- Iris Stolzer
- Department of Medicine 1, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU), Erlangen, Germany
| | - Barbara Ruder
- Department of Medicine 1, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU), Erlangen, Germany
| | - Markus F Neurath
- Department of Medicine 1, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU), Erlangen, Germany; Deutsches Zentrum Immuntherapie DZI, Friedrich-Alexander-Universität (FAU), Erlangen, Nürnberg, Germany
| | - Claudia Günther
- Department of Medicine 1, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU), Erlangen, Germany.
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Shahmohammadi S, Sahraian MA, Shahmohammadi A, Doosti R, Zare-Mirzaie A, Naser Moghadasi A. A presentation of ulcerative colitis after rituximab therapy in a patient with multiple sclerosis and literature review. Mult Scler Relat Disord 2018. [PMID: 29524758 DOI: 10.1016/j.msard.2018.02.030] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Multiple sclerosis (MS) is one of the most important demyelinating diseases that affects the central nervous system. Its treatment often involves a long-term disease modifying therapy. According to some studies, the prevalence of autoimmune disorders, such as autoimmune hepatitis (AIH) and ulcerative colitis (UC) is higher in MS patients than in the normal population. There are also few studies that have reported the onset of UC after rituximab therapy. The present study presents a report of a 31-years old female patient suffering from aggressive multiple sclerosis, which developed into autoimmune hepatitis during the MS therapy. Thereafter, she received rituximab for the treating both MS and AIH. One week after the third cycle of rituximab (6 doses of 1000 mg), she experienced abdominal pain, fever, and severe bloody diarrhea; finally, she was diagnosed with ulcerative colitis (UC). It seems that the administration of certain immunomodulators or immunosuppressive drugs may have a main role in the exacerbation of some autoimmune diseases.
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Affiliation(s)
- Sareh Shahmohammadi
- MS Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Ali Sahraian
- MS Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran; Iranian Center for Neurological Research, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Abootorab Shahmohammadi
- MS Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Rozita Doosti
- MS Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Zare-Mirzaie
- Department of Pathology, Iran University of Medical Sciences, Tehran, Iran
| | - Abdorreza Naser Moghadasi
- MS Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran; Department of Neurology, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran.
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