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very early onset inflammatory bowel disease

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https://www.readbyqxmd.com/read/28496525/il-10-and-il-10-receptor-mutations-in-very-early-onset-inflammatory-bowel-disease
#1
REVIEW
Lei Zhu, Tingting Shi, Chengdi Zhong, Yingde Wang, Michael Chang, Xiuli Liu
Very early onset inflammatory bowel disease (VEO-IBD) is a unique disease entity with a complex genetic susceptibility in affected patients. Next-generation gene sequencing techniques have revealed various monogenetic mutations contributing to the pathogenesis of VEO-IBD, including interleukin 10 (IL-10) and IL-10 receptor (IL-10R) mutations. In this article, we reviewed the features of and effective therapeutic options for VEO-IBD with IL-10 and/or IL-10R mutations. The IL-10 signal pathway inhibits the release of several key cytokines and thereby has a significant anti-inflammatory effect in the gastrointestinal tract...
April 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/28453757/incidence-and-phenotype-at-diagnosis-of-very-early-onset-compared-with-later-onset-paediatric-inflammatory-bowel-disease-a-population-based-study-1988-2011
#2
E Bequet, H Sarter, M Fumery, F Vasseur, L Armengol-Debeir, B Pariente, D Ley, C Spyckerelle, H Coevoet, J E Laberenne, L Peyrin-Biroulet, G Savoye, D Turck, C Gower-Rousseau
Background and Aims: Very-early-onset inflammatory bowel disease [VEO-IBD] is a form of IBD that is distinct from that of children with an older onset. We compared changes over time in the incidence and phenotype at diagnosis between two groups according to age at IBD diagnosis: VEO-IBD diagnosed before the age of 6 years, and early-onset IBD [EO-IBD] diagnosed between 6 and 16 years of age. Methods: Data were obtained from a cohort enrolled in a prospective French population-based registry from 1988 to 2011...
May 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28404814/nucleotide-binding-oligomerization-domain-nod-signaling-defects-and-cell-death-susceptibility-cannot-be-uncoupled-in-x-linked-inhibitor-of-apoptosis-xiap-driven-inflammatory-disease
#3
Steven M Chirieleison, Rebecca A Marsh, Prathna Kumar, Joseph K Rathkey, George R Dubyak, Derek W Abbott
The X-linked inhibitor of apoptosis (XIAP) protein has been identified as a key genetic driver of two distinct inflammatory disorders, X-linked lymphoproliferative syndrome 2 (XLP-2) and very early onset inflammatory bowel disease (VEO-IBD). Molecularly, the role of XIAP mutations in the pathogenesis of these disorders is unclear. Recent work has consistently shown XIAP to be critical for signaling downstream of the Crohns disease susceptibility protein nucleotide-binding oligomerization domain containing 2 (NOD2); however, the reported effects of XLP-2 and VEO-IBD XIAP mutations on cell death have been inconsistent...
April 12, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28404137/genetics-of-inflammatory-bowel-disease-beyond-nod2
#4
REVIEW
Maša Umićević Mirkov, Bram Verstockt, Isabelle Cleynen
The study of the genetic underpinnings of inflammatory bowel disease has made great progress since the identification of NOD2 as a major susceptibility gene. Novel genotyping and sequencing technologies have led to the discovery of 242 common susceptibility loci, 45 of which have been fine-mapped to statistically conclusive causal variants; 50 genes associated with very-early-onset inflammatory disease have been identified. The evolving genetic architecture of inflammatory bowel disease has deepened our understanding of its pathogenesis through identification of major disease associated pathways-knowledge that has the potential to indicate novel drug targets or markers for personalised medicine...
March 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28267048/commentary-on-mutations-in-interleukin-10-receptor-and-clinical-phenotypes-in-patients-with-very-early-onset-inflammatory-bowel-disease-a-chinese-veo-ibd-collaboration-group-survey
#5
Judith R Kelsen, Noor Dawany, Maire Conrad, Marcella Devoto
No abstract text is available yet for this article.
April 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28267044/mutations-in-interleukin-10-receptor-and-clinical-phenotypes-in-patients-with-very-early-onset-inflammatory-bowel-disease-a-chinese-veo-ibd-collaboration-group-survey
#6
Zhiheng Huang, Kaiyue Peng, Xiaoqin Li, Ruiqin Zhao, Jieyu You, Xiuyong Cheng, Zhaoxia Wang, Ying Wang, Bingbing Wu, Huijun Wang, Huasong Zeng, Zhuowen Yu, Cuifang Zheng, Yuesheng Wang, Ying Huang
BACKGROUND: Interleukin-10 (IL10) signaling plays an important role in the pathogenesis of very early onset inflammatory bowel disease (VEO-IBD) in children. However, little is known about the role of the IL10 axis in children with VEO-IBD in China. METHODS: The Chinese VEO-IBD Collaboration Group was created to collect clinical and genetic data from patients deficient in IL10 and the IL10 receptor. High-throughput sequencing was performed to identify mutations in these genes...
April 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28173659/-progress-of-diagnosis-and-treatment-of-very-early-onset-inflammatory-bowel-disease-patients-with-interleukin-10-and-interleukin-10-receptor-gene-mutations
#7
Z Q Ye, Y Huang
No abstract text is available yet for this article.
February 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28125549/o-001-a-diagnostic-approach-of-immune-dysregulation-on-very-early-onset-ibd
#8
Judith Kelsen, Noor Dawany, Maire Conrad, Kathleen Sullivan, Edward Behrens, Marcella Devoto
BACKGROUND: Immune deficiencies have been associated with inflammatory bowel disease (IBD), and are reported to be particularly enriched in patients with very early-onset IBD (VEO-IBD). However, the actual frequency of primary immune deficiencies in an unselected cohort of patients with VEO-IBD is not known, nor is the optimal screening approach for this population. This study was undertaken to identify a diagnostic approach that will enhance identification of children with primary immune deficiencies who present with VEO-IBD...
February 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28027214/ibd-like-features-in-syndromic-diarrhea-trichohepatoenteric-syndrome
#9
Veronica B Busoni, Julie Lemale, Beatrice Dubern, Fernando Frangi, Patrice Bourgeois, Marina Orsi, Catherine Badens, Alexandre Fabre
BACKGROUND: Very early onset inflammatory bowel disease (VEOIBD) (inflammatory bowel disease [IBD] before 6 years of age) may manifest as a monogenic disease affecting the gastrointestinal tract. Syndromic diarrhea/trichohepatoenteric syndrome (SD/THE), a rare disorder caused by alteration of a complex involved in RNA degradation, has been reported to present with some degree of colitis and in some cases an IBD-like presentation. METHODS: We reviewed clinical and biological data of 4 previously published cases and added detailed data of 2 new cases of SD/THE with an IBD-like presentation...
January 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/27930931/deficiency-in-duox2-activity-alleviates-ileitis-in-gpx1-and-gpx2-knockout-mice-without-affecting-apoptosis-incidence-in-the-crypt-epithelium
#10
Fong-Fong Chu, R Steven Esworthy, James H Doroshow, Helmut Grasberger, Agnes Donko, Thomas L Leto, Qiang Gao, Binghui Shen
Mice deficient in glutathione peroxidase (GPx)-1 and -2 (GPx1(-/-)GPx2(-/-) double knockout or DKO mice) develop very-early-onset (VEO) ileocolitis, suggesting that lack of defense against reactive oxygen species (ROS) renders susceptibility to intestinal inflammation. Two members of ROS-generating NADPH oxidase family, NOX1 and DUOX2, are highly inducible in the intestinal epithelium. Previously, we reported that Nox1 deficiency ameliorated the pathology in DKO mice (Nox1-TKO). The role of Duox2 in ileocolitis of the DKO mice is evaluated here in Duoxa-TKO mice by breeding DKO mice with Duoxa(-/-) mice (Duoxa-TKO), which do not have Duox2 activity...
April 2017: Redox Biology
https://www.readbyqxmd.com/read/27799271/incidence-and-phenotype-at-diagnosis-of-very-early-onset-compared-with-later-onset-paediatric-inflammatory-bowel-disease-a-population-based-study-1988-2011
#11
E Bequet, H Sarter, M Fumery, F Vasseur, L Armengol-Debeir, B Pariente, D Ley, C Spyckerelle, H Coevoet, J E Laberenne, L Peyrin-Biroulet, G Savoye, D Turck, C Gower-Rousseau
BACKGROUND AND AIMS: Very-early-onset inflammatory bowel disease [VEO-IBD] is a form of IBD that is distinct from that of children with an older onset. We compared changes over time in the incidence and phenotype at diagnosis between two groups according to age at IBD diagnosis: VEO-IBD diagnosed before the age of 6 years, and early-onset IBD [EO-IBD] diagnosed between 6 and 16 years of age. METHODS: Data were obtained from a cohort enrolled in a prospective French population-based registry from 1988 to 2011...
October 31, 2016: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/27747465/targeted-sequencing-and-immunological-analysis-reveal-the-involvement-of-primary-immunodeficiency-genes-in-pediatric-ibd-a-japanese-multicenter-study
#12
Tasuku Suzuki, Yoji Sasahara, Atsuo Kikuchi, Humihiko Kakuta, Toshihiko Kashiwabara, Takashi Ishige, Yoshiko Nakayama, Masanori Tanaka, Akihiro Hoshino, Hirokazu Kanegane, Daiki Abukawa, Shigeo Kure
PURPOSE: Pediatric inflammatory bowel disease (IBD) is a heterogeneous disorder caused by multiple factors. Although genetic and immunological analyses are required for a definitive diagnosis, no reports of a comprehensive genetic study of a Japanese population are available. METHODS: In total, 35 Japanese patients <16 years of age suffering from IBD, including 27 patients aged <6 years with very early-onset IBD, were enrolled in this multicenter study. Exome and targeted gene panel sequencing was performed for all patients...
October 17, 2016: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/27699073/early-diagnosis-and-hematopoietic-stem-cell-transplantation-for-il10r-deficiency-leading-to-very-early-onset-inflammatory-bowel-disease-are-essential-in-familial-cases
#13
Neslihan Edeer Karaca, Guzide Aksu, Ezgi Ulusoy, Serap Aksoylar, Salih Gozmen, Ferah Genel, Sanem Akarcan, Nesrin Gulez, Tatjana Hirschmugl, Savas Kansoy, Kaan Boztug, Necil Kutukculer
Alterations of immune homeostasis in the gut may result in development of inflammatory bowel disease. A five-month-old girl was referred for recurrent respiratory and genitourinary tract infections, sepsis in neonatal period, chronic diarrhea, perianal abscess, rectovaginal fistula, and hyperemic skin lesions. She was born to second-degree consanguineous, healthy parents. Her elder siblings were lost at 4 months of age due to sepsis and 1 year of age due to inflammatory bowel disease, respectively. Absolute neutrophil and lymphocyte counts, immunoglobulin levels, and lymphocyte subsets were normal ruling out severe congenital neutropenia and classic severe combined immunodeficiencies...
2016: Case Reports in Immunology
https://www.readbyqxmd.com/read/27537055/identification-of-variants-in-genes-associated-with-single-gene-inflammatory-bowel-disease-by-whole-exome-sequencing
#14
James J Ashton, Gaia Andreoletti, Tracy Coelho, Rachel Haggarty, Akshay Batra, Nadeem A Afzal, R Mark Beattie, Sarah Ennis
BACKGROUND: Most cases of inflammatory bowel disease (IBD) are caused by complex host-environment interaction. There are a number of conditions associated with a single-gene mutation, most cases are very early onset (aged < 6 yr), present with a unique form of disease and often have atypical features. METHODS: Whole-exome data for 147 pediatric patients with IBD were interrogated for a panel of 51 genes associated with monogenic IBD. Observed variation was categorized according to the American College of Medical Genetics (ACMG) guidelines to identify rare, novel, and known variants that might contribute to IBD...
October 2016: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/27350736/comprehensive-mutation-screening-for-10-genes-in-chinese-patients-suffering-very-early-onset-inflammatory-bowel-disease
#15
Yuan Xiao, Xin-Qiong Wang, Yi Yu, Yan Guo, Xu Xu, Ling Gong, Tong Zhou, Xiao-Qin Li, Chun-Di Xu
AIM: To perform sequencing analysis in patients with very early-onset inflammatory bowel disease (VEO-IBD) to determine the genetic basis for VEO-IBD in Chinese pediatric patients. METHODS: A total of 13 Chinese pediatric patients with VEO-IBD were diagnosed from May 2012 and August 2014. The relevant clinical characteristics of these patients were analyzed. Then DNA in the peripheral blood from patients was extracted. Next generation sequencing (NGS) based on an Illumina-Miseq platform was used to analyze the exons in the coding regions of 10 candidate genes: IL-10, IL-10RA, IL-10RB, NOD2, FUT2, IL23R, GPR35, GPR65, TNFSF15, and ADAM30...
June 28, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27302973/phenotypic-and-genotypic-characterisation-of-inflammatory-bowel-disease-presenting-before-the-age-of-2-years
#16
Jochen Kammermeier, Robert Dziubak, Matilde Pescarin, Suzanne Drury, Heather Godwin, Kate Reeve, Sibongile Chadokufa, Bonita Huggett, Sara Sider, Chela James, Nikki Acton, Elena Cernat, Marco Gasparetto, Gabi Noble-Jamieson, Fevronia Kiparissi, Mamoun Elawad, Phil L Beales, Neil J Sebire, Kimberly Gilmour, Holm H Uhlig, Chiara Bacchelli, Neil Shah
OBJECTIVES: Inflammatory bowel disease [IBD] presenting in early childhood is extremely rare. More recently, progress has been made to identify children with monogenic forms of IBD predominantly presenting very early in life. In this study, we describe the heterogeneous phenotypes and genotypes of patients with IBD presenting before the age of 2 years and establish phenotypic features associated with underlying monogenicity. METHODS: Phenotype data of 62 children with disease onset before the age of 2 years presenting over the past 20 years were reviewed...
January 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/27247160/pediatric-inflammatory-bowel-disease-specificity-of-very-early-onset
#17
Teresa Capriati, Sabrina Cardile, Bronislava Papadatou, Claudio Romano, Daniela Knafelz, Fiammetta Bracci, Antonella Diamanti
INTRODUCTION: The incidence of inflammatory bowel disease (IBD) has increased over the last 50 years. It is now recognized that several genetic defects can express an IBD-like phenotype at very early onset (<6 years). AREAS COVERED: The aim of this review was to update knowledge concerning the specificity of IBD at onset <6 years, which can include conventional/standard IBD as well as monogenic IBD-like diseases. Expert commentary: We found that females are less prone than males to develop monogenic disorders, which have X-linked heritability in several cases...
September 2016: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/27177777/a-synonymous-variant-in-il10ra-affects-rna-splicing-in-paediatric-patients-with-refractory-inflammatory-bowel-disease
#18
Seak Hee Oh, Jiwon Baek, Herty Liany, Jia Nee Foo, Kyung Mo Kim, Stephen Chang-Oh Yang, Jianjun Liu, Kyuyoung Song
Interleukin-10 receptor [IL10R] mutations are associated with severe childhood inflammatory bowel disease [IBD]. Two unrelated patients who died of very early-onset severe IBD and sepsis were identified as harbouring the same compound heterozygous mutations in IL10RA [p.R101W; p.T179T]. A third patient was found to be homozygous for p.T179T. The missense change of p.R101W has been reported. The synonymous change of p.T179T, with a minor allele frequency of 0.035% in the population, was novel. The p.T179T mutation was located before the 5' splice donor site, leading to exon skipping and out-of-frame fusion of exons 3 and 5, causing altered STAT3 phosphorylation in IL10-induced peripheral blood mononuclear cells...
November 2016: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/27118953/very-early-onset-inflammatory-bowel-disease
#19
Scott B Snapper
No abstract text is available yet for this article.
August 2015: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27104817/clinical-pattern-of-early-onset-inflammatory-bowel-disease-in-saudi-arabia-a-multicenter-national-study
#20
Abdulrahman Al-Hussaini, Mohammad El Mouzan, Mohammed Hasosah, Ali Al-Mehaidib, Khalid ALSaleem, Omar I Saadah, Mohammed Al-Edreesi
BACKGROUND: The objectives of this multicenter national study were to compare the clinical phenotype of early-onset inflammatory bowel disease (IBD) (EO-IBD) with IBD in older children and to examine whether there is any variability in consanguinity rate and familial aggregation in EO-IBD compared with later onset IBD. METHODS: A retrospective analysis was performed on children aged 0 to 14 years with IBD in 17 centers located in geographically distinct regions in Saudi Arabia, from 2003 to 2012...
August 2016: Inflammatory Bowel Diseases
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