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Calprotectin

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https://www.readbyqxmd.com/read/28731502/histologic-scoring-indices-for-evaluation-of-disease-activity-in-crohn-s-disease
#1
REVIEW
Gregor Novak, Claire E Parker, Rish K Pai, John K MacDonald, Brian G Feagan, William J Sandborn, Geert D'Haens, Vipul Jairath, Reena Khanna
BACKGROUND: Histologic assessment of mucosal disease activity has been increasingly used in clinical trials of treatment for Crohn's disease. However, the operating properties of the currently existing histologic scoring indices remain unclear. OBJECTIVES: A systematic review was undertaken to evaluate the development and operating characteristics of available histologic disease activity indices in Crohn's disease. SEARCH METHODS: Electronic searches of MEDLINE, EMBASE, PubMed, and the Cochrane Library (CENTRAL) databases from inception to 20 July 2016 were supplemented by manual reviews of bibliographies and abstracts submitted to major gastroenterology meetings (Digestive Disease Week, United European Gastroenterology Week, European Crohn's and Colitis Organisation)...
July 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28723856/fecal-matrix-metalloprotease-9-and-lipocalin-2-as-biomarkers-in-detecting-endoscopic-activity-in-patients-with-inflammatory-bowel-diseases
#2
Anthony Buisson, Emilie Vazeille, Régine Minet-Quinard, Marion Goutte, Damien Bouvier, Félix Goutorbe, Bruno Pereira, Nicolas Barnich, Gilles Bommelaer
BACKGROUND: Fecal biomarkers are emerging tools in the assessment of mucosal healing in inflammatory bowel diseases (IBD). GOALS: We aimed to evaluate the accuracy of fecal matrix metalloprotease-9 (MMP-9) and fecal lipocalin-2 (LCN-2) compared with calprotectin in detecting endoscopic activity in IBD STUDY:: Overall, 86 IBD adults underwent colonoscopy consecutively and prospectively, with Crohn's disease Endoscopic Index of Severity (CDEIS) in Crohn's disease (CD) patients or Mayo endoscopic subscore calculation for ulcerative colitis (UC) patients, and stool collection...
July 18, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28721978/noninvasive-biomarkers-as-surrogate-predictors-of-clinical-and-endoscopic-remission-after-infliximab-induction-in-patients-with-refractory-ulcerative-colitis
#3
Elham A Hassan, Haidi K Ramadan, Ali A Ismael, Khaled F Mohamed, Madiha M El-Attar, Ihab Alhelali
BACKGROUND/AIMS: Treatment of refractory ulcerative colitis (UC) is a clinical challenge, and after biological therapy, monitoring clinical and endoscopic responses is fundamental. We aimed to investigate and compare the predictive power of different noninvasive parameters for clinical remission and mucosal healing after infliximab induction therapy in refractory UC patients. PATIENTS AND METHODS: Serum and fecal biomarkers, including hemoglobin, white blood cells, erythrocyte sedimentation rate, C-reactive protein (CRP), and fecal calprotectin (FC), and colonoscopy were assessed in 44 patients with refractory UC before and after (week 12) infliximab induction...
July 2017: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/28713349/the-gut-microbiota-of-healthy-chilean-subjects-reveals-a-high-abundance-of-the-phylum-verrucomicrobia
#4
Sayaka Fujio-Vejar, Yessenia Vasquez, Pamela Morales, Fabien Magne, Patricia Vera-Wolf, Juan A Ugalde, Paola Navarrete, Martin Gotteland
The gut microbiota is currently recognized as an important factor regulating the homeostasis of the gastrointestinal tract and influencing the energetic metabolism of the host as well as its immune and central nervous systems. Determining the gut microbiota composition of healthy subjects is therefore necessary to establish a baseline allowing the detection of microbiota alterations in pathologic conditions. Accordingly, the aim of this study was to characterize the gut microbiota of healthy Chilean subjects using 16S rRNA gene sequencing...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28711286/novel-therapeutic-targets-for-inflammatory-bowel-disease
#5
REVIEW
Marjorie Argollo, Gionata Fiorino, Pieter Hindryck, Laurent Peyrin-Biroulet, Silvio Danese
Inflammatory bowel disease (IBD), including Crohn's disease (CD) and Ulcerative Colitis (UC), are immune mediated conditions associated with progressive damage of the inflamed gut tissue, and have a considerable impact on the patient's quality of life. The pathogenesis remains uncertain, but it is clear that complex mechanisms associated with host and luminal factors are involved, generating an unbalance between pro- and anti-inflammatory signaling. It is well established that the purpose of an adequate and complete control of the intestinal inflammation measured not only by clinical symptoms, but also with more objective data such as fecal biomarkers (calprotectin) and endoscopy...
July 12, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28708805/serum-adalimumab-levels-predict-successful-remission-and-safe-deintensification-in-inflammatory-bowel-disease-patients-in-clinical-practice
#6
Mariam Aguas Peris, Virginia Bosó, Belén Navarro, Maria R Marqués-Miñana, Guillermo Bastida, Belén Beltrán, Marisa Iborra, Esteban Sáez-González, Emilio Monte-Boquet, Jose L Poveda-Andrés, Pilar Nos
BACKGROUND: Little is known about the association between the pharmacokinetic features of adalimumab (ADL) and disease outcome in patients with inflammatory bowel disease (IBD). AIMS: To assess the association between random serum ADL levels and clinical or biochemical remission with clinical decision making in daily practice according to these levels; and to determine the cutoff value for successful dose reduction in patients with IBD treated with ADL. METHODS: We conducted a prospective observational study of patients with IBD who received long-term maintenance therapy with ADL...
August 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28708568/reference-values-of-fecal-calgranulin-c-s100a12-in-school-aged-children-and-adolescents
#7
Anke Heida, Anneke C Muller Kobold, Lucie Wagenmakers, Koos van de Belt, Patrick F van Rheenen
BACKGROUND: Calgranulin C (S100A12) is an emerging marker of inflammation. It is exclusively released by activated neutrophils which makes this marker potentially more specific for inflammatory bowel disease (IBD) compared to established stool markers including calprotectin and lactoferrin. We aimed to establish a reference value for S100A12 in healthy children and investigated whether S100A12 levels can discriminate children with IBD from healthy controls. METHODS: In a prospective community-based reference interval study we collected 122 stool samples from healthy children aged 5-19 years...
July 14, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28708427/monitoring-and-detection-of-disease-recurrence-after-resection-for-crohn-s-disease-the-role-of-non-invasive-fecal-biomarkers
#8
Takayuki Yamamoto, Takahiro Shimoyama
Ileocolonoscopy is the gold standard for the diagnosis and assessment of postoperative recurrence in Crohn's disease (CD). Nevertheless, endoscopy is time-consuming and invasive. A minimally invasive and simple screening test would improve patient adherence to examination and provide greater clinical benefit. A number of fecal biomarkers have been evaluated for their utility for the diagnosis and monitoring of inflammatory bowel disease as alternative tests to endoscopy. Area covered: In this review, we focused on the utility of fecal biomarkers in the management of postoperative CD...
July 14, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28692215/-faecal-calprotectin-a-useful-tool-for-the-primary-care-physician
#9
Fabrizia D'angelo, Arnaud Perrier
Faecal calprotectin (FC) is a marker of intestinal inflammation. FC dosing has a sensitivity between 80‑100% for differentiating functional and organic intestinal disease. It is therefore a very useful diagnostic tool in general practice, where the prevalence of functional disease is particularly high. Nevertheless, FC is not specific for inflammatory bowel diseases and cannot distinguish between various inflammatory conditions. FC cut-off values are not clearly defined. Nevertheless, levels < 150 µg/g are considered ruling out organic disease and levels > 150 µg/g warrant an endoscopy...
October 19, 2016: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28689603/small-bowel-dilation-in-children-with-short-bowel-syndrome-is-associated-with-mucosal-damage-bowel-derived-bloodstream-infections-and-hepatic-injury
#10
Maria Hukkinen, Annika Mutanen, Mikko P Pakarinen
BACKGROUND: Liver disease occurs frequently in short bowel syndrome. Whether small bowel dilation in short bowel syndrome could influence the risk of liver injury through increased bacterial translocation remains unknown. Our aim was to analyze associations between small bowel dilation, mucosal damage, bloodstream infections, and liver injury in short bowel syndrome patients. METHODS: Among short bowel syndrome children (n = 50), maximal small bowel diameter was measured in contrast series and expressed as the ratio to the height of the fifth lumbar vertebra (small bowel diameter ratio), and correlated retrospectively to fecal calprotectin and plasma citrulline-respective markers of mucosal inflammation and mass-bloodstream infections, liver biochemistry, and liver histology...
July 6, 2017: Surgery
https://www.readbyqxmd.com/read/28686695/coronary-artery-disease-associated-genetic-variants-and-biomarkers-of-inflammation
#11
Morten Krogh Christiansen, Sanne Bøjet Larsen, Mette Nyegaard, Søs Neergaard-Petersen, Ramzi Ajjan, Morten Würtz, Erik Lerkevang Grove, Anne-Mette Hvas, Henrik Kjærulf Jensen, Steen Dalby Kristensen
INTRODUCTION: Genetic constitution and inflammation both contribute to development of coronary artery disease (CAD). Several CAD-associated single-nucleotide polymorphisms (SNPs) have recently been identified, but their functions are largely unknown. We investigated the associations between CAD-associated SNPs and five CAD-related inflammatory biomarkers. METHODS: We genotyped 45 CAD-associated SNPs in 701 stable CAD patients in whom levels of high-sensitivity C-reactive protein (hsRCP), interleukin-6, calprotectin, fibrinogen and complement component 3 levels had previously been measured...
2017: PloS One
https://www.readbyqxmd.com/read/28675524/biomarkers-for-visceral-hypersensitivity-in-patients-with-irritable-bowel-syndrome
#12
Z Mujagic, D M A E Jonkers, S Ludidi, D Keszthelyi, M A Hesselink, Z Z R M Weerts, R N Kievit, J F Althof, C Leue, J W Kruimel, F J van Schooten, A A M Masclee
BACKGROUND: Increased visceral sensitivity is observed in up to 60% of patients with Irritable Bowel Syndrome (IBS). Mucosal inflammation, altered neuroendocrine activity and intraluminal metabolic processes may contribute to the development of visceral hypersensitivity. Previously, we demonstrated that biomarkers, indicative for these biological processes, were altered in IBS patients compared to healthy controls. However, how these processes relate to visceral hypersensitivity is unknown...
July 3, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28675068/fecal-calprotectin-is-a-strong-predictive-marker-of-relapse-in-chinese-patients-with-crohn-s-disease-a-two-year-prospective-study
#13
Lei Ye, Bi Qin Chen, Shao Dong Wang, Hui Shi, Zhao Yang, Fang Yu Wang
OBJECTIVE: To evaluate the predictive value of fecal calprotectin (FC) for clinical relapse in Chinese patients with quiescent Crohn's disease (CD) and to further investigate the correlation between FC and intestinal inflammation. METHODS: Sixty-two patients with a diagnosis of quiescent CD were consecutively enrolled in this prospective study. Fecal samples were collected and enteroscopy were performed to detect mucosal lesions at the beginning of the study. Patients were followed until the first relapse or by the end of the two-year follow-up...
July 4, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28667429/long-term-clinical-outcomes-after-switching-from-remicade-%C3%A2-to-biosimilar-ct-p13-in-inflammatory-bowel-disease
#14
Lisa J T Smits, Anna Grelack, Lauranne A A P Derikx, Dirk J de Jong, Aura A J van Esch, Ronald S Boshuizen, Joost P H Drenth, Frank Hoentjen
BACKGROUND: Limited data are available on long-term clinical outcomes regarding the switch from Remicade(®) to the infliximab biosimilar CT-P13 in inflammatory bowel disease (IBD) patients. AIMS: To investigate long-term efficacy, safety, pharmacokinetic profile, and immunogenicity. METHODS: We performed a single-center prospective observational cohort study following an elective switch from Remicade(®) to CT-P13 in IBD patients. RESULTS: Eighty-three patients were included (57 Crohn's disease, 24 ulcerative colitis, and 2 IBD unclassified), and 68 patients completed one-year follow-up...
June 30, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28664912/a-combined-biomarker-panel-shows-improved-sensitivity-for-the-early-detection-of-ovarian-cancer-allowing-the-identification-of-the-most-aggressive-type-ii-tumours
#15
Matthew R Russell, Ciaren Graham, Alfonsina D'Amato, Aleksandra Gentry-Maharaj, Andy Ryan, Jatinderpal K Kalsi, Carol Ainley, Anthony D Whetton, Usha Menon, Ian Jacobs, Robert L J Graham
BACKGROUND: There is an urgent need for biomarkers for the early detection of ovarian cancer (OC). The purpose of this study was to assess whether changes in serum levels of lecithin-cholesterol acyltransferase (LCAT), sex hormone-binding globulin (SHBG), glucose-regulated protein, 78 kDa (GRP78), calprotectin and insulin-like growth factor-binding protein 2 (IGFBP2) are observed before clinical presentation and to assess the performance of these markers alone and in combination with CA125 for early detection...
June 29, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28661185/the-value-of-serum-antibodies-in-differentiating-inflammatory-bowel-disease-predicting-disease-activity-and-disease-course-in-the-newly-diagnosed-patient
#16
Carolijn Smids, Carmen S Horjus Talabur Horje, Marcel J M Groenen, Elly H M van Koolwijk, Peter J Wahab, Ellen G van Lochem
BACKGROUND: Data on serum antibodies in untreated adult inflammatory bowel disease (IBD) patients at diagnosis are scarcely available, and results on the stability of antibody presence over time are inconsistent. Our aim was to investigate antibodies in newly diagnosed, untreated IBD patients in relation to disease phenotype and course. Furthermore, we analyzed antibody presence over time. METHODS: Baseline anti-Saccharomyces cerevisiae antibodies (ASCA), anti-chitobioside carbohydrate antibodies (ACCA), anti-laminaribioside carbohydrate antibodies (ALCA) and anti-mannobioside carbohydrate antibodies (AMCA) were measured with enzyme-linked immunosorbent assays and perinuclear anti-neutrophilic cytoplasmic antibodies (pANCA) was measured by indirect immunofluorescence in serum of 120 untreated IBD patients at diagnosis and 19 healthy controls...
June 29, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28651829/evaluation-of-a-12-week-targeted-vitamin-d-supplementation-regimen-in-patients-with-active-inflammatory-bowel-disease
#17
Mayur Garg, Ourania Rosella, Gennaro Rosella, Yunqiu Wu, John S Lubel, Peter R Gibson
BACKGROUND & AIMS: Vitamin D at serum 25(OH)D concentrations above 100 nmol/L is associated with disease remission in patients with IBD, suggesting targeted dosing might be anti-inflammatory. This study aimed to assess the effectiveness, safety and predictors of a 12-week regimen of vitamin D supplementation to achieve such a target in patients with active disease. METHODS: In a pilot study, patients with active colitis and a serum 25(OH)D concentration <75 nmol/L were prescribed oral liquid vitamin D supplementation over 12 weeks using a specific protocol with dose adjusted 4-weekly to aim for a target level of 100-125 nmol/L...
June 15, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28649913/faecal-calprotectin-detects-subclinical-bowel-inflammation-and-may-predict-treatment-response-in-spondyloarthritis
#18
R D Østgård, B W Deleuran, M Y Dam, I T Hansen, A G Jurik, H Glerup
OBJECTIVE: Intestinal inflammation is frequent in patients with spondyloarthritis (SpA). Here, we test the validity of faecal calprotectin as a marker of intestinal inflammation in SpA patients and evaluate the response of adalimumab in patients with and without intestinal lesions. METHOD: Patients were included on the basis of active SpA with a Bath Ankylosing Spondylitis Disease Activity Index ≥ 4. After a 4 week non-steroidal anti-inflammatory drug washout period, patients were divided into two groups based on faecal calprotectin level (> 100 mg/kg, n = 15, and < 50 mg/kg, n = 15)...
June 26, 2017: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/28644184/noninvasive-fecal-immunochemical-testing-and-fecal-calprotectin-predict-mucosal-healing-in-inflammatory-bowel-disease-a-prospective-cohort-study
#19
Christopher Ma, Rowan Lumb, Emily V Walker, Rae R Foshaug, ThucNhi T Dang, Sanam Verma, Vivian W Huang, Karen I Kroeker, Karen Wong, Levinus A Dieleman, Richard N Fedorak, Brendan P Halloran
BACKGROUND: The noninvasive biomarkers fecal immunochemical testing (FIT) and fecal calprotectin (FCP) are sensitive for prediction of mucosal inflammation in inflammatory bowel disease. However, neither test has yet been shown to independently and accurately predict mucosal healing (MH). We aimed to assess the specificity of noninvasive FIT and FCP for MH prediction. METHODS: In this prospective cohort study of adult inflammatory bowel disease outpatients presenting for colonoscopy, stool samples for FIT and FCP were collected 48 hours before endoscopy...
June 20, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28643937/proinflammatory-effects-and-mechanisms-of-calprotectin-on-human-gingival-fibroblasts
#20
H Gao, J Hou, H Meng, X Zhang, Y Zheng, L Peng
BACKGROUND AND OBJECTIVE: Calprotectin (S100A8/A9) is a heterodimer of S100A8 and S100A9 and is associated with multiple inflammatory diseases, including Crohn's disease, rheumatoid arthritis and periodontitis. Levels of calprotectin are elevated in the gingival crevicular fluid of patients with periodontitis; however, the effects of calprotectin on human gingival fibroblasts (HGFs) remain unknown. This study investigated the proinflammatory activity of calprotectin on HGFs and the functional receptors and signaling pathways engaged by calprotectin...
June 23, 2017: Journal of Periodontal Research
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