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Kaur H, Kasapoglu M, Yadavalli R, Nawaz S, Althwanay A, AlEdani EM, Yu AK. Inflammatory Bowel Disease and Its Association With Perinuclear Antineutrophil Cytoplasmic Antibodies: A Systematic Review. Cureus 2024; 16:e57872. [PMID: 38725759 PMCID: PMC11079720 DOI: 10.7759/cureus.57872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 04/08/2024] [Indexed: 05/12/2024] Open
Abstract
An idiopathic condition known as inflammatory bowel disease (IBD) is characterized by a dysregulated immune response to the intestinal flora of the host. It falls into one of two primary categories: ulcerative colitis or Crohn's disease. A wide range of disorders, both clinically and genetically, can cause IBD. The purpose of this thorough analysis is to determine the significance and reliability of the correlation between perinuclear antineutrophil cytoplasmic antibodies (p-ANCA) and IBD, as well as the implications of this correlation for the diagnosis and treatment of IBD. Ten pertinent studies were identified from a starting pool of 20 articles in this systematic review, which was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2020 guidelines. These studies addressed treatment, complications, limitations, and outcome in addition to the presence or lack of p-ANCA in patients with IBD. In conclusion, p-ANCA is more strongly linked to inflammatory bowel illness than Crohn's disease, primarily ulcerative colitis. Some evidence suggests that there is a decrease in p-ANCA to some extent with medical or surgical interventions, but the exact intervention is not yet clear. There is less evidence suggesting that the medical or surgical treatments used in patients with IBD cause an increase or decrease in p-ANCA.
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Affiliation(s)
- Harleen Kaur
- Department of Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Malik Kasapoglu
- Department of Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Rajesh Yadavalli
- Department of Internal Medicine, Rajiv Gandhi Institute of Medical Sciences, Adilabad, IND
- Department of Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Sarosh Nawaz
- Department of Psychiatry, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Abdulaziz Althwanay
- Department of Dermatology, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
- College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, SAU
| | - Esraa M AlEdani
- Department of Dermatology and Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Ann Kashmer Yu
- Department of Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
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Andalucía C, Martínez-Prat L, Bentow C, Aure MA, Horn MP, Mahler M. Clinical Validity of Anti-Proteinase 3 Antibodies in Patients with Inflammatory Bowel Disease: A Short Meta-Analysis. Diagnostics (Basel) 2023; 13:3682. [PMID: 38132266 PMCID: PMC10742424 DOI: 10.3390/diagnostics13243682] [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: 11/06/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023] Open
Abstract
Anti-neutrophil cytoplasmic antibodies (ANCA) directed to proteinase 3 (PR3) represent highly established markers for patients with ANCA-associated vasculitis (AAV). PR3-ANCA have also demonstrated utility in the management of inflammatory bowel disease (IBD). More specifically, PR3-ANCA discriminate individuals with ulcerative colitis (UC) from Crohn's disease (CD) patients and are associated with disease severity, activity, and treatment non-response. Here, we aim to summarize the current data on the diagnostic utility of PR3-ANCA in IBD. A structured, systematic literature review, including three electronic databases, was conducted on June 6th, 2023, to identify studies assessing the diagnostic accuracy of the QUANTA Flash® PR3 assay in UC vs. CD patients. Electronic searches were supplemented by hand searching. A hierarchical, bivariate, mixed-effect meta-analysis was conducted using the metandi function, as per the Cochrane collaboration recommendations. Study quality was assessed using the QUADAS-2 tool, which considers the risk of bias and applicability. Six out of a hundred and eleven citations met the inclusion criteria and reported QUANTA Flash® PR3 diagnostic accuracy in UC vs. CD (UC, n = 667, CD, n = 682 patients). The sensitivity/specificity point estimate for UC was 34.9%/95.9%. This resulted in a Diagnostic Odds Ratio (DOR) of 12.6. The risk of bias was low in the index test and reference standard domains. Four of the six studies (67%) showed an unclear risk of bias in patient selection and in flow and timing domains. All studies had low concerns about applicability in all the domains. PR3-ANCA measured with the QUANTA Flash® PR3 assay represent novel diagnostic markers in IBD and enables discrimination between UC and CD.
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Affiliation(s)
- Carmen Andalucía
- Research and Development, Headquarters & Technology Center Autoimmunity, Werfen, San Diego, CA 92121, USA; (C.A.); (L.M.-P.); (C.B.); (M.A.A.)
| | - Laura Martínez-Prat
- Research and Development, Headquarters & Technology Center Autoimmunity, Werfen, San Diego, CA 92121, USA; (C.A.); (L.M.-P.); (C.B.); (M.A.A.)
| | - Chelsea Bentow
- Research and Development, Headquarters & Technology Center Autoimmunity, Werfen, San Diego, CA 92121, USA; (C.A.); (L.M.-P.); (C.B.); (M.A.A.)
| | - Mary Ann Aure
- Research and Development, Headquarters & Technology Center Autoimmunity, Werfen, San Diego, CA 92121, USA; (C.A.); (L.M.-P.); (C.B.); (M.A.A.)
| | - Michael P. Horn
- Department of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland;
| | - Michael Mahler
- Research and Development, Headquarters & Technology Center Autoimmunity, Werfen, San Diego, CA 92121, USA; (C.A.); (L.M.-P.); (C.B.); (M.A.A.)
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Nowak JK, Kalla R, Satsangi J. Current and emerging biomarkers for ulcerative colitis. Expert Rev Mol Diagn 2023; 23:1107-1119. [PMID: 37933807 DOI: 10.1080/14737159.2023.2279611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 11/01/2023] [Indexed: 11/08/2023]
Abstract
INTRODUCTION Ulcerative colitis (UC) is a chronic illness requiring lifelong management that could be enhanced by personalizing care using biomarkers. AREAS COVERED The main biomarker discovery modalities are reviewed, highlighting recent results across the spectrum of applications, including diagnostics (serum anti-αvβ6 antibodies achieving an area under the curve [AUC] = 0.99; serum oncostatin M AUC = 0.94), disease activity assessment (fecal calprotectin and serum trefoil factor 3: AUC > 0.90), prognostication of the need for treatment escalation (whole blood transcriptomic panels and CLEC5A/CDH2 ratio: AUC > 0.90), prediction of treatment response, and early identification of patients with subclinical disease. The use of established biomarkers is discussed, along with new evidence regarding autoantibodies, proteins, proteomic panels, transcriptomic signatures, deoxyribonucleic acid methylation patterns, and UC-specific glycomic and metabolic disturbances. EXPERT OPINION Novel biomarkers will pave the way for optimized UC care. However, validation, simplification, and direct clinical translation of complex models may prove challenging. Currently, few candidates exist to assess key characteristics, such as UC susceptibility, histological disease activity, drug response, and long-term disease behavior. Further research will likely not only reveal new tools to tackle these issues but also contribute to understanding UC pathogenesis mechanisms.
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Affiliation(s)
- Jan K Nowak
- Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Rahul Kalla
- Medical Research Council Centre for Inflammation Research, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Jack Satsangi
- Translational Gastroenterology Unit, Nuffield Department of Medicine, Experimental Medicine Division, University of Oxford, Oxford, UK
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Pyo JY, Ahn SS, Song JJ, Park YB, Lee SW. Reclassification of previously diagnosed GPA patients using the 2022 ACR/EULAR classification criteria. Rheumatology (Oxford) 2023; 62:1179-1186. [PMID: 35512176 DOI: 10.1093/rheumatology/keac267] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 04/19/2022] [Accepted: 04/19/2022] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVES This study applied the 2022 criteria for granulomatosis with polyangiitis (GPA) proposed by the ACR and EULAR (the 2022 ACR/EULAR criteria) to Korean patients with previously diagnosed GPA to investigate the number of patients who could be reclassified as having GPA. METHODS Sixty-five patients with GPA, who met the 2012 revised International Chapel Hill Consensus Conference Nomenclature of Vasculitides and the 2007 European Medicines Agency algorithm for GPA, were included in this study. They were reclassified based on the 2022 ACR/EULAR criteria. RESULTS Of the 65 patients, 48 patients (73.8%) were reclassified as having GPA. A patient could not be reclassified as having GPA if the patient did not have a total score of 5 despite granulomas on biopsy or clear GPA surrogate markers. Among the 17 patients unclassified as having GPA, 16 patients were reclassified as having MPA and one as having unclassifiable vasculitis, and furthermore, 94.1% of them harboured MPO-ANCA (or perinuclear (P)-ANCA). CONCLUSION The concordance rate between the 2022 ACR/EULAR criteria for GPA and the previous criteria in patients with previously diagnosed GPA was 73.8%. Although the 2022 ACR/EULAR criteria are the product of the most advanced methodologic process, it should be noted that there were some consequences of distorting the CHCC definition, and further discussion is required, especially with respect to the weightage of the items.
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Affiliation(s)
- Jung Yoon Pyo
- Division of Rheumatology, Department of Internal Medicine
| | - Sung Soo Ahn
- Division of Rheumatology, Department of Internal Medicine
| | - Jason Jungsik Song
- Division of Rheumatology, Department of Internal Medicine.,Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Yong-Beom Park
- Division of Rheumatology, Department of Internal Medicine.,Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sang-Won Lee
- Division of Rheumatology, Department of Internal Medicine.,Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, Republic of Korea
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Imakiire S, Takedatsu H, Mitsuyama K, Sakisaka H, Tsuruta K, Morita M, Kuno N, Abe K, Funakoshi S, Ishibashi H, Yoshioka S, Torimura T, Hirai F. Role of Serum Proteinase 3 Antineutrophil Cytoplasmic Antibodies in the Diagnosis, Evaluation of Disease Severity, and Clinical Course of Ulcerative Colitis. Gut Liver 2022; 16:92-100. [PMID: 35027509 PMCID: PMC8761930 DOI: 10.5009/gnl210211] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 08/05/2021] [Accepted: 08/24/2021] [Indexed: 12/25/2022] Open
Abstract
Background/Aims Proteinase 3 antineutrophil cytoplasmic antibody (PR3-ANCA) is a serologic marker for granulomatosis with polyangiitis. However, recent studies have also shown their role as diagnostic markers for ulcerative colitis (UC). This study was performed to investigate the clinical roles of PR3-ANCAs in the disease severity, disease extension, and clinical course of UC. Methods Serum PR3-ANCAs were measured in 173 UC patients including 77 patients with new-onset patients UC diagnosed within 1 month, 110 patients with Crohn’s disease, 48 patients with other intestinal diseases, and 71 healthy controls. Associations between the PR3-ANCA titer and clinical data, such as disease severity, disease extension, and clinical course, were assessed. The clinical utility of PR3-ANCA measurement was evaluated by receiver operating characteristic (ROC) analysis. Results PR3-ANCA ≥3.5 U/mL demonstrated 44.5% sensitivity and 95.6% specificity for the diagnosis of UC in all patients. PR3-ANCA positivity was more prevalent in the 77 new-onset UC patients (58.4%). In this group, the disease severity and extension were more severe in PR3-ANCA positive patients than in PR3-ANCA negative group (p<0.001). After treatment, the partial Mayo scores were significantly decreased with the PR3-ANCA titers. The proportion of patients who required steroids for induction therapy was significantly higher among PR3-ANCA positive than negative group. ROC analysis revealed that PR3-ANCA ≥3.5 U/mL had 75% sensitivity and 69.0% specificity for steroid requirement in new-onset UC patients. Conclusions Our results indicate that PR3-ANCA measurement is useful not only for diagnosing UC but also for evaluating disease severity and extension and predicting the clinical course.
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Affiliation(s)
- So Imakiire
- Department of Gastroenterology and Medicine, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Hidetoshi Takedatsu
- Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Fukuoka, Japan
| | - Keiichi Mitsuyama
- Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Fukuoka, Japan
| | - Hideto Sakisaka
- Department of Gastroenterology and Medicine, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Kozo Tsuruta
- Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Fukuoka, Japan
| | - Masaru Morita
- Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Fukuoka, Japan
| | - Nobuaki Kuno
- Department of Gastroenterology and Medicine, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Koichi Abe
- Department of Gastroenterology and Medicine, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Sadahiro Funakoshi
- Department of Gastroenterology and Medicine, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Hideki Ishibashi
- Department of Gastroenterology and Medicine, Fukuoka University Faculty of Medicine, Fukuoka, Japan
| | - Shinichiro Yoshioka
- Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Fukuoka, Japan
| | - Takuji Torimura
- Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Fukuoka, Japan
| | - Fumihito Hirai
- Department of Gastroenterology and Medicine, Fukuoka University Faculty of Medicine, Fukuoka, Japan
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Wunsch E, Norman GL, Milkiewicz M, Krawczyk M, Bentow C, Shums Z, Mahler M, Lopens S, Reinhold D, Franke A, Schramm C, Roggenbuck D, Milkiewicz P. Anti-glycoprotein 2 (anti-GP2) IgA and anti-neutrophil cytoplasmic antibodies to serine proteinase 3 (PR3-ANCA): antibodies to predict severe disease, poor survival and cholangiocarcinoma in primary sclerosing cholangitis. Aliment Pharmacol Ther 2021; 53:302-313. [PMID: 33159471 PMCID: PMC7821312 DOI: 10.1111/apt.16153] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/18/2020] [Accepted: 10/21/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Primary sclerosing cholangitis (PSC) is associated with progressive liver disease and cholangiocarcinoma. Although risk stratification is crucial for making clinical decisions, it is hindered by a scarcity of proven prognostic markers. AIMS To assess the value of novel anti-glycoprotein 2 (anti-GP2) and anti-neutrophil cytoplasmic antibodies to serine proteinase 3 (PR3-ANCA) in combination with PSC-specific clinical and laboratory markers as predictors of quality of life, disease severity, and cholangiocarcinoma in two large, independent cohorts of PSC patients METHODS: Discovery (338 Polish patients) and validation (178 German patients) cohorts with PSC were evaluated. Anti-GP2 (isoforms 1/4) was detected by ELISAs and PR3-ANCA by chemiluminescence immunoassay. Clinical and laboratory data were collected and analysed. The outcome was defined as liver transplantation-free survival and occurrence of cholangiocarcinoma during follow-up. RESULTS In the discovery group, anti-GP21/4 IgA and PR3-ANCA were associated with liver dysfunction, anti-GP21/4 IgA with risk scores for PSC and anti-GP24 IgA with cirrhosis. All cholangiocarcinoma patients were positive for PR3-ANCA and/or anti-GP24 IgA. The association between anti-GP2 IgA and liver biochemistry, risk scores, cirrhosis, impaired survival, and cholangiocarcinoma was confirmed in the validation cohort. Cox proportional-hazards regression indicated anti-GP21 IgA as an independent variable of poor outcome in both study cohorts. Analysis of the combined data showed that anti-GP24 IgA and PR3-ANCA were independent predictors for cholangiocarcinoma, while anti-GP21 IgA and PR3-ANCA were indicators for poor survival. CONCLUSIONS Anti-GP2 and PR3-ANCA are prognostic antibodies in PSC as they identify patients at risk of severe disease, poor survival and biliary cancer.
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