1
|
Otsuka Y, Masuta Y, Minaga K, Okai N, Hara A, Takada R, Masaki S, Kamata K, Honjo H, Yamashita K, Kudo M, Watanabe T. Reciprocal regulation of protein arginine deiminase 2 and 4 expression in the colonic mucosa of ulcerative colitis. J Clin Biochem Nutr 2024; 75:46-53. [PMID: 39070530 PMCID: PMC11273265 DOI: 10.3164/jcbn.23-77] [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: 08/31/2023] [Accepted: 12/12/2023] [Indexed: 07/30/2024] Open
Abstract
Neutrophils express protein arginine deiminase 2 and PAD4, both of which mediate the citrullination of target proteins to induce production of neutrophil extracellular traps. Although PAD-dependent NETs trigger inflammatory bowel disease, the mechanisms governing the expression of PAD2 and PAD4 are poorly understood. In this study, we tried to clarify expression mechanisms of PAD2 and PAD4 in the colonic mucosa of patients with ulcerative colitis and Crohn's disease. Administration of Cl-amidine, a pan PAD-inhibitor, attenuated the development of dextran sodium sulfate-induced colitis, the effects of which were accompanied by reduced IL-6 and TNF-α production by colonic lamina propria mononuclear cells upon exposure to Toll-like receptor ligands. The mRNA expression of colonic PAD2 and PAD4 was negatively and positively correlated with disease activity and pro-inflammatory cytokine responses in patients with UC, respectively. Reciprocal regulation of PAD2 and PAD4 mRNA expression was observed in the colonic mucosa of UC patients, but not in those of CD patients. PAD4 mRNA expression was correlated with disease activity and pro-inflammatory cytokine responses in patients with CD. Collectively, these data suggest that reciprocal regulation of PAD2 and PAD4 expression is associated with disease activity in UC patients.
Collapse
Affiliation(s)
- Yasuo Otsuka
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Yasuhiro Masuta
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Kosuke Minaga
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Natsuki Okai
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Akane Hara
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Ryutaro Takada
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Sho Masaki
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Ken Kamata
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Hajime Honjo
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Kouhei Yamashita
- Department of Hematology and Oncology, Kyoto University Graduate School of Medicine, 54 Shogoin-kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Masatoshi Kudo
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Tomohiro Watanabe
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| |
Collapse
|
2
|
Pierre N, Huynh-Thu VA, Baiwir D, Vieujean S, Bequet E, Reenaers C, Van Kemseke C, Salée C, Massot C, Fléron M, Mazzucchelli G, Trzpiot L, Eppe G, De Pauw E, Louis E, Meuwis MA. Serum proteome signatures associated with ileal and colonic ulcers in Crohn's disease. J Proteomics 2024; 302:105199. [PMID: 38763457 DOI: 10.1016/j.jprot.2024.105199] [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: 03/08/2024] [Revised: 05/06/2024] [Accepted: 05/15/2024] [Indexed: 05/21/2024]
Abstract
At a clinical level, ileal and colonic Crohn's disease (CD) are considered as separate entities. These subphenotypes need to be better supported by biological data to develop personalised medicine in CD. To this end, we combined different technologies (proximity extension assay, selected reaction monitoring, and high-sensitivity turbidimetric immunoassay (hsCRP)) to measure 207 immune-related serum proteins in CD patients presenting no endoscopic lesions (endoscopic remission) (n = 23), isolated ileal ulcers (n = 17), or isolated colonic ulcers (n = 16). We showed that isolated ileal ulcers and isolated colonic ulcers were specifically associated with 6 and 18 serum proteins, respectively: (high level: JUN, CNTNAP2; low level: FCRL6, LTA, CLEC4A, NTF4); (high level: hsCRP, IL6, APCS, CFB, MBL2, IL7, IL17A, CCL19, CXCL10, CSF3, IL10, CLEC4G, MMP12, VEGFA; low level: CLEC3B, GSN, TNFSF12, TPSAB1). Isolated ileal ulcers and isolated colonic ulcers were detected by hsCRP with an area under the receiver operating characteristics curve of 0.64 (p-value = 0.07) and 0.77 (p-value = 0.001), respectively. We highlighted distinct serum proteome profiles associated with ileal and colonic ulcers in CD, this finding might support the development of therapeutics and biomarkers tailored to disease location. SIGNIFICANCE: Although ileal and colonic Crohn's disease present important clinical differences (eg, progression, response to treatment and reliability of biomarkers), these two entities are managed with the same therapeutic strategy. The biological specificities of ileal and colonic Crohn's disease need to be better characterised to develop more personalised approaches. The present study used robust technologies (selected reaction monitoring, proximity extension assays and turbidimetric immunoassay) to quantify precisely 207 serum immune-related proteins in three groups of Crohn's disease patients presenting: 1) no endoscopic lesions (endoscopic remission) (n = 23); 2) isolated ileal ulcers (n = 17); 3) isolated colonic ulcers (n = 16). We found distinct serum proteome signatures associated with ileal and colonic ulcers. Our findings could foster the development of biomarkers and treatments tailored to Crohn's disease location.
Collapse
Affiliation(s)
- Nicolas Pierre
- Laboratory of Translational Gastroenterology, GIGA-institute, University of Liege, Liege, Belgium.
| | - Vân Anh Huynh-Thu
- Department of Electrical Engineering and Computer Science, University of Liege, Liege, Belgium
| | | | - Sophie Vieujean
- Laboratory of Translational Gastroenterology, GIGA-institute, University of Liege, Liege, Belgium; Hepato-Gastroenterology and Digestive Oncology Department, Liege University Hospital, Liege, Belgium
| | - Emeline Bequet
- Laboratory of Translational Gastroenterology, GIGA-institute, University of Liege, Liege, Belgium; Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Liege University Hospital, Liege, Belgium
| | - Catherine Reenaers
- Hepato-Gastroenterology and Digestive Oncology Department, Liege University Hospital, Liege, Belgium
| | - Catherine Van Kemseke
- Hepato-Gastroenterology and Digestive Oncology Department, Liege University Hospital, Liege, Belgium
| | - Catherine Salée
- Laboratory of Translational Gastroenterology, GIGA-institute, University of Liege, Liege, Belgium
| | - Charlotte Massot
- Laboratory of Translational Gastroenterology, GIGA-institute, University of Liege, Liege, Belgium
| | | | - Gabriel Mazzucchelli
- Laboratory of Mass Spectrometry, MolSys Research Unit, University of Liege, Liege, Belgium
| | - Lisette Trzpiot
- Laboratory of Mass Spectrometry, MolSys Research Unit, University of Liege, Liege, Belgium
| | - Gauthier Eppe
- Laboratory of Mass Spectrometry, MolSys Research Unit, University of Liege, Liege, Belgium
| | - Edwin De Pauw
- Laboratory of Mass Spectrometry, MolSys Research Unit, University of Liege, Liege, Belgium
| | - Edouard Louis
- Laboratory of Translational Gastroenterology, GIGA-institute, University of Liege, Liege, Belgium; Hepato-Gastroenterology and Digestive Oncology Department, Liege University Hospital, Liege, Belgium
| | - Marie-Alice Meuwis
- Laboratory of Translational Gastroenterology, GIGA-institute, University of Liege, Liege, Belgium; Hepato-Gastroenterology and Digestive Oncology Department, Liege University Hospital, Liege, Belgium
| |
Collapse
|
3
|
Steinberg JM, Chowdhury R, Sharma S, Charabaty A. Biologics, small molecule therapies and surgery in small bowel Crohn's disease. Curr Opin Gastroenterol 2024; 40:203-208. [PMID: 38294885 DOI: 10.1097/mog.0000000000001006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
PURPOSE OF REVIEW The terminal ileum and small bowel (SB) are involved in 30-45% of patients with Crohn's disease, while 20% have both small and large bowel involvement. Ileal Crohn's is associated with higher risk of progression to stricturing and penetrating disease 1 , hence it's imperative to utilize effective therapies to induce and maintain clinical and endoscopic remission and prevent intestinal complications. We review the available data of biologics and upadacitinib in small bowel disease, and the emerging data on the role of surgery as first line therapy for isolated Crohn's ileitis. RECENT FINDINGS Most trials assessing drug efficacy do not report efficacy by disease location, and robust data on efficacy of therapies in isolated small bowel Crohn's is sparse. Several studies indicate that small bowel disease is generally less responsive to biologics, and could require higher drug trough levels to achieve endoscopic healing. SUMMARY Current therapies for induction and maintenance of remission in moderate to severe Crohn's disease include several classes of monoclonal antibodies and a Janus Kinase inhibitor, upadacitinib. While small bowel Crohn's disease is generally less responsive to treatment, anti-TNFs are still preferred as first line therapy, and the option of early ileocecal resection in early limited ileal disease is gaining interest.
Collapse
Affiliation(s)
- Joshua M Steinberg
- Gastroenterology of the Rockies; University of Colorado School of Medicine; Denver, CO
| | | | - Sowmya Sharma
- Johns Hopkins School of Medicine, Baltimore, Maryland
| | - Aline Charabaty
- Johns Hopkins School of Medicine, Washington, District of Columbia, USA
| |
Collapse
|
4
|
Granot M, Braun T, Efroni G, Picard O, Fudim E, Yavzori M, Haj O, Weiss B, Ben-Horin S, Kopylov U, Haberman Y. Baseline Peripheral Blood Mononuclear Cell Transcriptomics Before Ustekinumab Treatment Is Linked With Crohn's Disease Clinical Response at 1 Year. Clin Transl Gastroenterol 2023; 14:e00635. [PMID: 37655708 PMCID: PMC10749706 DOI: 10.14309/ctg.0000000000000635] [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] [Received: 05/14/2023] [Accepted: 08/24/2023] [Indexed: 09/02/2023] Open
Abstract
INTRODUCTION Ustekinumab, a monoclonal antibody to the p40 subunit of interleukin (IL)-12 and IL-23, is used for Crohn's disease (CD), and the documented clinical remission rate after 1 year was observed in approximately 50% of patients. We aimed to identify predictors for a clinical response using peripheral blood obtained from patients with CD just before ustekinumab treatment initiation. METHODS RNA extraction from peripheral blood mononuclear cells was followed by mRNA paired-end sequencing. Differential gene expression was performed using DESeq2. RESULTS We processed samples from 36 adults with CD (13 men, 36%) obtained at baseline before starting ustekinumab treatment. Twenty-two of 36 (61%) were defined as responders and 14/36 (39%) as nonresponders after 1 year based on Physician Global Assessment. Differential gene expression between responders (n = 22) and nonresponders (n = 14) did not show a gene expression signature that passed false discovery rate (FDR) correction. However, the analyses identified 68 genes, including CXCL1/2/3, which were induced in nonresponders vs responders with P < 0.05 and fold change above 1.5. Functional annotation enrichments of these 68 genes using ToppGene indicated enrichment for cytokine activity (FDR = 1.98E-05), CXCR chemokine receptor binding (FDR = 2.11E-05), IL-10 signaling (FDR = 5.03E-07), genes encoding secreted soluble factors (FDR = 1.73E-05), and myeloid dendritic cells (FDR = 1.80E-08). DISCUSSION No substantial differences were found in peripheral blood mononuclear cell transcriptomics between responders and nonresponders. However, among the nonresponders, we noted an increased inflammatory response enriched for pathways linked with cytokine activity and chemokine receptor binding and innate myeloid signature. A larger cohort is required to validate and further explore these findings.
Collapse
Affiliation(s)
- Maya Granot
- Pediatric Gastroenterology and Nutrition Unit, Sheba Medical Center, Tel-HaShomer, affiliated with the Tel-Aviv University, Tel-Aviv, Israel
| | - Tzipi Braun
- Pediatric Gastroenterology and Nutrition Unit, Sheba Medical Center, Tel-HaShomer, affiliated with the Tel-Aviv University, Tel-Aviv, Israel
| | - Gilat Efroni
- Pediatric Gastroenterology and Nutrition Unit, Sheba Medical Center, Tel-HaShomer, affiliated with the Tel-Aviv University, Tel-Aviv, Israel
| | - Orit Picard
- Department of Gastroenterology, Sheba Medical Center, Tel-HaShomer, affiliated with the Tel-Aviv University, Tel-Aviv, Israel
| | - Ella Fudim
- Department of Gastroenterology, Sheba Medical Center, Tel-HaShomer, affiliated with the Tel-Aviv University, Tel-Aviv, Israel
| | - Miri Yavzori
- Department of Gastroenterology, Sheba Medical Center, Tel-HaShomer, affiliated with the Tel-Aviv University, Tel-Aviv, Israel
| | - Ola Haj
- Department of Gastroenterology, Sheba Medical Center, Tel-HaShomer, affiliated with the Tel-Aviv University, Tel-Aviv, Israel
| | - Batia Weiss
- Pediatric Gastroenterology and Nutrition Unit, Sheba Medical Center, Tel-HaShomer, affiliated with the Tel-Aviv University, Tel-Aviv, Israel
| | - Shomron Ben-Horin
- Department of Gastroenterology, Sheba Medical Center, Tel-HaShomer, affiliated with the Tel-Aviv University, Tel-Aviv, Israel
| | - Uri Kopylov
- Department of Gastroenterology, Sheba Medical Center, Tel-HaShomer, affiliated with the Tel-Aviv University, Tel-Aviv, Israel
| | - Yael Haberman
- Pediatric Gastroenterology and Nutrition Unit, Sheba Medical Center, Tel-HaShomer, affiliated with the Tel-Aviv University, Tel-Aviv, Israel
- Cincinnati Children's Hospital Medical Center and the University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| |
Collapse
|
5
|
Masuta Y, Otsuka Y, Minaga K, Honjo H, Kudo M, Watanabe T. Regulation of type I IFN responses by deubiquitinating enzyme A in inflammatory bowel diseases. J Clin Biochem Nutr 2023; 73:103-107. [PMID: 37700847 PMCID: PMC10493212 DOI: 10.3164/jcbn.23-24] [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: 04/13/2023] [Accepted: 06/21/2023] [Indexed: 09/14/2023] Open
Abstract
The development of Inflammatory bowel disease (IBD) is driven by excessive production of pro-inflammatory cytokines including TNF-α, IL-12, and IL-23. This notion is supported by the remarkable clinical success of biologics targeting these cytokines. Recognition of cell wall components derived from intestinal bacteria by Toll-like receptors (TLRs) induces the production of these pro-inflammatory cytokines by macrophages and dendritic cells in human IBD and experimental colitis model. Although sensing of bacterial nucleic acids by endosomal TLRs, specifically TLR3, TLR7, and TLR9 leads to robust production of type I IFNs, it remains debatable whether TLR-mediated type I IFN responses are pathogenic or protective in IBD patients. Additionally, recent studies identified deubiquitinating enzyme A (DUBA) as a novel negative regulator of TLR-mediated type I IFN responses. In light of these observations and their potential applications, in this review, we summarize recent findings on the roles of type I IFN responses and DUBA-mediated negative regulation of these responses in human IBD and experimental colitis model.
Collapse
Affiliation(s)
- Yasuhiro Masuta
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Yasuo Otsuka
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Kosuke Minaga
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Hajime Honjo
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Masatoshi Kudo
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Tomohiro Watanabe
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| |
Collapse
|
6
|
Ukashi O, Yablecovitch D, Lahat A, Selinger L, Neuman S, Eliakim R, Ben-Horin S, Kopylov U. Middle small-bowel segment Lewis score may predict long-term outcomes among patients with quiescent Crohn's disease. Therap Adv Gastroenterol 2023; 16:17562848231188587. [PMID: 37533708 PMCID: PMC10392190 DOI: 10.1177/17562848231188587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 07/02/2023] [Indexed: 08/04/2023] Open
Abstract
Background Video capsule endoscopy (VCE) has been proven to accurately diagnose small-bowel inflammation and predict flares among patients with quiescent Crohn's disease (CD). However, data regarding its predictive role in this population over an extended follow-up are scarce. Objectives To predict clinical exacerbation and to assess the yield of Lewis score in identifying CD patients with future clinical exacerbation during an extended follow-up (>24 months). Design A post hoc analysis study. Methods Adult patients with quiescent small-bowel CD who were followed with VCE, inflammatory biomarkers and magnetic resonance enterography in a prospective study (between 2013 and 2018). We extracted extended clinical data (up to April 2022). The primary composite outcome (i.e. clinical exacerbation) was defined as intestinal surgery, endoscopic dilation, CD-related admission, corticosteroid administration, or biological/immunomodulator treatment change during follow-up. Results Of the 61 patients in the study [median age 29 (24-37) years, male 57.4%, biologic treatment 46.7%], 18 patients met the primary outcome during an extended follow-up [median 58.0 (34.5-93.0) months]. On univariable analysis, complicated [hazard ratio (HR) 7.348, p = 0.002] and stricturing disease phenotype (HR 5.305, p = 0.001) were associated with higher risk for clinical exacerbation during follow-up. A baseline VCE middle small-bowel segment Lewis score (midLS) ⩾ 135 identified patients with future exacerbation [AUC (area under the curve) 0.767, 95% confidence interval (CI) 0.633-0.902, p = 0.001, HR 6.317, 93% negative predictive value], whereas the AUC of the conventional Lewis score was 0.734 (95% CI: 0.589-0.879, p = 0.004). Sensitivity analysis restricted to patients with either complicated (n = 34) or stricturing (n = 26) disease phenotype revealed that midLS still predicted clinical exacerbation during follow-up (AUC 0.747/0.753, respectively), in these patients. Conclusion MidLS predicts treatment failure in quiescent CD patients (median follow-up of 5 years) independently of disease phenotype.
Collapse
Affiliation(s)
| | - Doron Yablecovitch
- Gastroenterology Institute, Sheba Medical Center Tel Hashomer, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Adi Lahat
- Gastroenterology Institute, Sheba Medical Center Tel Hashomer, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Limor Selinger
- Gastroenterology Institute, Sheba Medical Center Tel Hashomer, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Sandra Neuman
- Gastroenterology Institute, Sheba Medical Center Tel Hashomer, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Rami Eliakim
- Gastroenterology Institute, Sheba Medical Center Tel Hashomer, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Shomron Ben-Horin
- Gastroenterology Institute, Sheba Medical Center Tel Hashomer, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | | |
Collapse
|
7
|
Jaramillo C, Ermarth AK, Collier JS, Pohl JF, Patel RA. Flexible Sigmoidoscopy Utility in the Diagnosis of Pediatric Gastrointestinal Disorders. Cureus 2023; 15:e38553. [PMID: 37288178 PMCID: PMC10241764 DOI: 10.7759/cureus.38553] [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] [Accepted: 05/03/2023] [Indexed: 06/09/2023] Open
Abstract
AIM Although flexible sigmoidoscopy (FS) is utilized in children for the diagnosis of pediatric gastrointestinal conditions, such as inflammatory bowel disease and juvenile polyp disorders, the diagnostic yield of FS in pediatric patients is unknown. MATERIALS AND METHODS We retrospectively reviewed FS cases in children under 18 years of age over a five-year period at our institution. Indications for the procedure, endoscopic visual findings, histologic findings, final diagnosis, and any management changes based on FS findings were included. RESULTS A total of 354 cases were included in the analysis for which 40 cases (11.3%) had abnormal visual findings, 48 cases (13.6%) had abnormal histologic findings, and 13 cases (3.7%) had both abnormal endoscopic visual and histologic findings. Of the 88 cases with abnormal visual and/or histologic abnormalities, only the results of 34 of these FS cases led to a change in management based on endoscopic findings (9.6%). Most patients with a non-diagnostic FS had a final diagnosis of functional abdominal pain; most patients with a diagnostic FS had a final diagnosis of colitis, not otherwise specified. CONCLUSION Our findings suggest that FS is not a helpful diagnostic endoscopic intervention in pediatric patients, especially in children with reassuring history and physical exam findings.
Collapse
Affiliation(s)
- Catalina Jaramillo
- Pediatric Gastroenterology, University of Utah Health, Salt Lake City, USA
| | - Anna K Ermarth
- Pediatric Gastroenterology, University of Utah Health, Salt Lake City, USA
| | - John S Collier
- Pediatric Gastroenterology, University of Utah Health, Salt Lake City, USA
| | - John F Pohl
- Pediatric Gastroenterology, University of Utah Health, Salt Lake City, USA
| | - Raza A Patel
- Pediatric Gastroenterology, University of Utah Health, Salt Lake City, USA
| |
Collapse
|
8
|
Koop K, Enderle K, Hillmann M, Ruspeckhofer L, Vieth M, Sturm G, Trajanoski Z, Kühl AA, Atreya R, Leppkes M, Baum P, Roy J, Martin A, Neurath MF, Neufert C. Interleukin 36 receptor-inducible matrix metalloproteinase 13 mediates intestinal fibrosis. Front Immunol 2023; 14:1163198. [PMID: 37207229 PMCID: PMC10189878 DOI: 10.3389/fimmu.2023.1163198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 04/17/2023] [Indexed: 05/21/2023] Open
Abstract
Background Fibrostenotic disease is a common complication in Crohn's disease (CD) patients hallmarked by transmural extracellular matrix (ECM) accumulation in the intestinal wall. The prevention and medical therapy of fibrostenotic CD is an unmet high clinical need. Although targeting IL36R signaling is a promising therapy option, downstream mediators of IL36 during inflammation and fibrosis have been incompletely understood. Candidate molecules include matrix metalloproteinases which mediate ECM turnover and are thereby potential targets for anti-fibrotic treatment. Here, we have focused on understanding the role of MMP13 during intestinal fibrosis. Methods We performed bulk RNA sequencing of paired colon biopsies taken from non-stenotic and stenotic areas of patients with CD. Corresponding tissue samples from healthy controls and CD patients with stenosis were used for immunofluorescent (IF) staining. MMP13 gene expression was analyzed in cDNA of intestinal biopsies from healthy controls and in subpopulations of patients with CD in the IBDome cohort. In addition, gene regulation on RNA and protein level was studied in colon tissue and primary intestinal fibroblasts from mice upon IL36R activation or blockade. Finally, in vivo studies were performed with MMP13 deficient mice and littermate controls in an experimental model of intestinal fibrosis. Ex vivo tissue analysis included Masson's Trichrome and Sirius Red staining as well as evaluation of immune cells, fibroblasts and collagen VI by IF analysis. Results Bulk RNA sequencing revealed high upregulation of MMP13 in colon biopsies from stenotic areas, as compared to non-stenotic regions of patients with CD. IF analysis confirmed higher levels of MMP13 in stenotic tissue sections of CD patients and demonstrated αSMA+ and Pdpn+ fibroblasts as a major source. Mechanistic experiments demonstrated that MMP13 expression was regulated by IL36R signaling. Finally, MMP13 deficient mice, as compared to littermate controls, developed less fibrosis in the chronic DSS model and showed reduced numbers of αSMA+ fibroblasts. These findings are consistent with a model suggesting a molecular axis involving IL36R activation in gut resident fibroblasts and MMP13 expression during the pathogenesis of intestinal fibrosis. Conclusion Targeting IL36R-inducible MMP13 could evolve as a promising approach to interfere with the development and progression of intestinal fibrosis.
Collapse
Affiliation(s)
- Kristina Koop
- First Department of Medicine, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- *Correspondence: Kristina Koop,
| | - Karin Enderle
- First Department of Medicine, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Miriam Hillmann
- First Department of Medicine, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Laura Ruspeckhofer
- First Department of Medicine, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Michael Vieth
- Institute of Pathology, Klinikum Bayreuth, Friedrich-Alexander-Universität Erlangen-Nürnberg, Bayreuth, Germany
| | - Gregor Sturm
- Biocenter, Institute of Bioinformatics, Medical University Innsbruck, Innsbruck, Austria
| | - Zlatko Trajanoski
- Biocenter, Institute of Bioinformatics, Medical University Innsbruck, Innsbruck, Austria
- The Transregio 241 IBDome Consortium, Erlangen, Germany
| | - Anja A. Kühl
- The Transregio 241 IBDome Consortium, Erlangen, Germany
- iPATH.Berlin, Campus Benjamin Franklin, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Raja Atreya
- First Department of Medicine, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- The Transregio 241 IBDome Consortium, Erlangen, Germany
| | - Moritz Leppkes
- First Department of Medicine, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Patrick Baum
- Boehringer Ingelheim Pharma GmbH & Co KG, Biberach, Germany
| | | | - Andrea Martin
- Boehringer Ingelheim Pharmaceuticals Inc, Ridgefield, CT, United States
| | - Markus F. Neurath
- First Department of Medicine, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Erlangen, Germany
| | - Clemens Neufert
- First Department of Medicine, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Erlangen, Germany
| |
Collapse
|
9
|
Arms-Williams B, Hawthorne AB, Cannings-John R, Berry A, Harborne P, Trivedi A. Changes in incidence and clinical features of inflammatory bowel disease in Cardiff, UK over 50 years: an update for 2005-2016. Scand J Gastroenterol 2022; 58:619-626. [PMID: 36562277 DOI: 10.1080/00365521.2022.2158754] [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] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Population-based studies of inflammatory bowel disease (IBD) in Cardiff have recorded data back to 1930 for Crohn's disease (CD) and 1968 for ulcerative colitis (UC). This study compares incidence and phenotype for 2005-2016 with past data. METHODS All new IBD cases resident in the Cardiff at diagnosis were collected retrospectively for the 12-year period 2005-2016, and compared with previous Cardiff data for trends in incidence and phenotype. Overall incidence was age/sex corrected to the UK population. RESULTS There were 991 new patients: 34% had CD, 5.4% IBD unclassified (IBD-U) and 60.5% had UC. The corrected incidence of CD was 7.7 per 100,000 person years [95% CI 6.9-8.6]. CD incidence is significantly higher than previous Cardiff studies, but the annual percentage change (APC) for 1980-2016 of 0.06; [95%CI -0.02 to 0.14] is not significant, with a previous higher APC for 1953-1980 of 0.18, [95%CI 0.13 to 0.23]. Uncorrected IBD-U incidence was 1.3 per 100,000 person years [95% CI 1.0-1.7]. UC corrected incidence was 14.4 per 100,000 person years [95% CI 13.3-15.6]. Incidence of UC is greater than in previous studies but did not increase during the current 12-year period. CD distribution at diagnosis continues to change as in previous Cardiff studies, with further increase in colonic disease and ileocolonic, (42% L2, 28% L3) and reduction in isolated terminal ileal disease (29% L1). CONCLUSIONS Incidence of both CD and UC are no longer rising significantly, but the location of CD at diagnosis continues to change with an increase in colonic location.Key messagesWhat is already known? It is unclear whether the incidence of IBD has now plateaued in urbanised nations. Changes in Crohn's disease location are often not reported in incidence studies and terminal ileal disease has usually been reported as the commonest site of diseaseWhat is new here? The incidence of UC and Crohn's is no longer rising in Cardiff UK, but the phenotype has changed progressively over time with a continuing increase in colonic disease location and decrease in isolated terminal ileal diseaseHow can this study help patient care? Understanding that Crohn's colitis is the predominant location has implications for diagnostic tests and implications for treatment optionsIMPACT STATEMENTThis work shows that although IBD incidence is no longer rising, the pattern of Crohn's disease is changing with more colonic disease and less isolated terminal ileal disease.PRACTITIONER RELEVANCE STATEMENTThe changing pattern of Crohn's disease location has implications for diagnostic assessment and treatment of this disease.
Collapse
Affiliation(s)
- Bradley Arms-Williams
- Department of Gastroenterology, Cardiff & Vale University Health Board, Heath Park, Cardiff, UK
| | - A Barney Hawthorne
- Department of Gastroenterology, Cardiff & Vale University Health Board, Heath Park, Cardiff, UK.,Centre for Trials Research, Cardiff University, Cardiff, UK
| | - Rebecca Cannings-John
- Centre for Trials Research, College of Biomedical & Life Sciences, Cardiff University, Cardiff, UK
| | - Alexander Berry
- Department of Gastroenterology, Cardiff & Vale University Health Board, Heath Park, Cardiff, UK
| | - Philip Harborne
- Department of Gastroenterology, Cardiff & Vale University Health Board, Heath Park, Cardiff, UK
| | - Anjali Trivedi
- Centre for Trials Research, Cardiff University, Cardiff, UK
| |
Collapse
|