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Calprotectin

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https://www.readbyqxmd.com/read/28539226/fecal-calprotectin-as-an-alternative-to-ulcerative-colitis-endoscopic-index-of-severity-to-predict-the-response-to-corticosteroids-of-acute-severe-ulcerative-colitis-a-prospective-observational-study
#1
Tingbin Xie, Chenyan Zhao, Chao Ding, Tenghui Zhang, Xujie Dai, Tengfei Lv, Yi Li, Zhen Guo, Jianfeng Gong, Weiming Zhu
BACKGROUND: Fecal calprotectin (FC) might be an alternative to ulcerative colitis endoscopic index of severity (UCEIS) to predict the response to corticosteroids (CS) in acute severe colitis (ASC). METHODS: One hundred and seventeen ASC patients were prospectively enrolled. Demographic, clinical, laboratory and sigmoidoscopic data were documented. Multivariate and ROC analyses were performed to identify risk factors for non-response to CS, and the predictive accuracy of possible predictors was assessed...
May 3, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28533922/correlation-of-rapid-point-of-care-vs-send-out-fecal-calprotectin-monitoring-in-pediatric-inflammatory-bowel-disease
#2
Alexis Rodriguez, Lauren Yokomizo, Megan Christofferson, Danielle Barnes, Nasim Khavari, K T Park
AIM: To assess the correlation between the send-out enzyme-linked immuno sorbent assay (ELISA) and the point-of-care (POC) calprotectin test in pediatric inflammatory bowel disease (IBD) patients. METHODS: We prospectively collected stool samples in pediatric IBD patients for concomitant send-out ELISA analysis and POC calprotectin testing using the Quantum Blue(®) (QB) Extended immunoassay. Continuous results between 17 to 1000 μg/g were considered for comparison...
May 6, 2017: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28528364/a-randomized-double-blind-placebo-controlled-trial-of-a-multi-strain-probiotic-in-treatment-of-symptomatic-uncomplicated-diverticular-disease
#3
Charlotte L Kvasnovsky, Ingvar Bjarnason, Ana Nora Donaldson, Roy A Sherwood, Savvas Papagrigoriadis
BACKGROUND: Diverticular disease is a significant burden on healthcare systems that is managed, surgically or medically, mainly as an emergency or acute condition. There are no standardized treatment recommendations for symptomatic uncomplicated disease. We hypothesized that a probiotic would reduce abdominal pain in such patients. METHODS: We conducted a single-center, double-blind, placebo-controlled trial of probiotic treatment (Symprove) in adult patients with moderate-to-severe chronic, non-acute symptomatic diverticular disease...
May 20, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28523450/a-review-of-the-clinical-pharmacokinetics-pharmacodynamics-and-immunogenicity-of-vedolizumab
#4
REVIEW
Maria Rosario, Nathanael L Dirks, Catherine Milch, Asit Parikh, Michael Bargfrede, Tim Wyant, Eric Fedyk, Irving Fox
Vedolizumab is a humanized anti-α4β7 integrin monoclonal antibody that selectively blocks trafficking of memory T cells to inflamed gut tissue by inhibiting the α4β7-mucosal addressin cell adhesion molecule-1 (MAdCAM-1) interaction. Approved for treating patients with moderately to severely active ulcerative colitis (UC) or Crohn's disease (CD), vedolizumab is administered as a 300 mg intravenous infusion. Vedolizumab undergoes a rapid, saturable, non-linear, target-mediated elimination process at low concentrations and a slower, linear, non-specific elimination process at higher concentrations...
May 18, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28520581/reply-to-accuracy-of-consecutive-fecal-calprotectin-measurements-to-predict-relapse-in-inflammatory-bowel-disease-patients
#5
Rocio Ferreiro-Iglesias, Manuel Barreiro-de Acosta, Juan E Dominguez-Munoz
No abstract text is available yet for this article.
May 17, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28512287/levels-of-faecal-calprotectin-and-magnetic-resonance-enterocolonography-correlate-with-severity-of-small-bowel-crohn-s-disease-a-retrospective-cohort-study
#6
Lei Ye, Wei Chen, Bi-Qin Chen, Xing Lan, Shao-Dong Wang, Xiao-Chen Wu, Wei Huang, Fang-Yu Wang
Few studies have evaluated the usefulness of fecal calprotectin (FC) or magnetic resonance enterography (MRE) in diagnosing active Crohn's disease (CD) of the small bowel. In the study, we investigated the reliability of FC and MRE in assessing the activity of ileal CD and further explored the relationship between levels of FC and MRE scores. A total of 221 patients were diagnosed with ileal or ileo-colitis CD in our department between July 2012 and October 2016. The global magnetic resonance index of activity (MaRIA) correlated with the simple endoscopic score for CD (SES-CD) (r = 0...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28511198/clinical-utility-of-fecal-calprotectin-monitoring-in-asymptomatic-patients-with-inflammatory-bowel-disease-a-systematic-review-and-practical-guide
#7
Anke Heida, K T Park, Patrick F van Rheenen
BACKGROUND: In asymptomatic patients with inflammatory bowel disease (IBD), "monitoring" involves repeated testing aimed at early recognition of disease exacerbation. We aimed to determine the usefulness of repeated fecal calprotectin (FC) measurements to predict IBD relapses by a systematic literature review. METHODS: An electronic search was performed in Medline, Embase, and Cochrane from inception to April 2016. Inclusion criteria were prospective studies that followed patients with IBD in remission at baseline and had at least 2 consecutive FC measurements with a test interval of 2 weeks to 6 months...
June 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28511188/calprotectin-in-daily-practice-where-do-we-stand-in-2017
#8
Fabrizia D'Angelo, Christian Felley, Jean Louis Frossard
BACKGROUND: To make a distinction between organic and functional disease is essential for gastroenterologists in their daily practice, but it may be challenging, given the variety and aspecificity of gastrointestinal symptoms among the general population. The clinician aim is to avoid diagnostic delay and to restrict unnecessary invasive and expensive exams. SUMMARY: Faecal markers, in particular faecal calprotectin (FC), have given proof of being reliable markers of intestinal inflammation with good clinical sensitivity...
May 17, 2017: Digestion
https://www.readbyqxmd.com/read/28506799/diffusion-weighted-imaging-in-quiescent-crohn-s-disease-correlation-with-inflammatory-biomarkers-and-video-capsule-endoscopy
#9
E Klang, U Kopylov, R Eliakim, N Rozendorn, D Yablecovitch, A Lahat, S Ben-Horin, M M Amitai
AIM: To investigate the role of restricted diffusion in quiescent Crohn's disease (CD) patients and its association with inflammatory biomarkers and endoscopic disease. MATERIAL AND METHODS: Fifty-two quiescent CD patients prospectively underwent magnetic resonance enterography (MRE) and video capsule endoscopy (VCE) and were tested for the inflammatory biomarkers, faecal calprotectin (FCP) and C-reactive protein (CRP). Restricted diffusion in the distal ileum was qualitatively (absence/presence) and quantitatively (apparent diffusion coefficient [ADC]) assessed by two readers...
May 13, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28501098/alterations-in-intestinal-microbiota-relate-to-intestinal-failure-associated-liver-disease-and-central-line-infections
#10
Panliang Wang, Ying Wang, Lina Lu, Weihui Yan, Yijing Tao, Kejun Zhou, Jie Jia, Wei Cai
BACKGROUND: The gut microbiota plays a vital role in modulating the metabolic and immune functions of the intestines. We aimed to analyze the dysbiosis of microbiota in infants with short bowel syndrome (SBS) with different complications. PROCEDURE: We included 26 fecal samples from 18 infants with SBS during parenteral nutrition. The samples were categorized into three groups: asymptomatic, parenteral nutrition-associated liver disease (PNALD), and central line-associated bloodstream infection (CLABSI)...
May 3, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28498159/fecal-calprotectin-is-not-affected-by-pregnancy-clinical-implications-for-the-management-of-pregnant-patients-with-inflammatory-bowel-disease
#11
Mette Julsgaard, Christian L Hvas, Richard B Gearry, Thea Vestergaard, Jan Fallingborg, Lise Svenningsen, Jens Kjeldsen, Miles P Sparrow, Signe Wildt, Jens Kelsen, Sally J Bell
BACKGROUND: Noninvasive biomarkers of inflammation for monitoring inflammatory bowel disease (IBD) are important in pregnancy. Clinical and laboratory markers are often affected by the physiological adaption that occurs during pregnancy, although, few, if any, data exist on fecal calprotectin (FC). We investigated FC concentrations in pregnant controls and IBD women, and whether FC correlated with physician global assessment (PGA), C-reactive protein (CRP), and Harvey-Bradshaw Index (HBI)/Simple Clinical Colitis Activity Index (SCCAI) before and after pregnancy, as well as during each trimester...
May 11, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28491862/comparison-of-fecal-calprotectin-methods-for-predicting-relapse-of-pediatric-inflammatory-bowel-disease
#12
Saranya Kittanakom, Md Sharif Shajib, Kristine Garvie, Joceline Turner, Dan Brooks, Sufian Odeh, Robert Issenman, V Tony Chetty, Joseph Macri, Waliul I Khan
Background. Pediatric inflammatory bowel disease (IBD) is on the rise worldwide. Endoscopies are necessary for IBD assessment but are invasive, expensive, and inconvenient. Recently, fecal calprotectin (FCal) was proposed as a noninvasive and specific marker of gut inflammation. We evaluated the analytical performance of three FCal assays and their clinical performance in predicting relapse in pediatric IBD. Methods. This study used 40 pediatric IBD and 40 random non-IBD patients' fecal samples. Two automated ELISAs (Bühlmann and PhiCal® Calprotectin-EIA) and an EliA (Phadia 250 EliA-Calprotectin) were used to evaluate the analytical performance...
2017: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28487398/transition-metals-at-the-host-pathogen-interface-how-neisseria-exploit-human-metalloproteins-for-acquiring-iron-and-zinc
#13
REVIEW
Wilma Neumann, Rose C Hadley, Elizabeth M Nolan
Transition metals are essential nutrients for all organisms and important players in the host-microbe interaction. During bacterial infection, a tug-of-war between the host and microbe for nutrient metals occurs: the host innate immune system responds to the pathogen by reducing metal availability and the pathogen tries to outmaneuver this response. The outcome of this competition, which involves metal-sequestering host-defense proteins and microbial metal acquisition machinery, is an important determinant for whether infection occurs...
May 9, 2017: Essays in Biochemistry
https://www.readbyqxmd.com/read/28481014/infliximab-and-adalimumab-drug-levels-in-crohn-s-disease-contrasting-associations-with-disease-activity-and-influencing-factors
#14
M G Ward, B Warner, N Unsworth, S-W Chuah, C Brownclarke, S Shieh, M Parkes, J D Sanderson, Z Arkir, J Reynolds, P R Gibson, P M Irving
BACKGROUND: Discriminative drug level thresholds for disease activity endpoints in patients with Crohn's disease. have been consistently demonstrated with infliximab, but not adalimumab. AIMS: To identify threshold concentrations for infliximab and adalimumab in Crohn's disease according to different disease endpoints, and factors that influence drug levels. METHODS: We performed a cross-sectional service evaluation of patients receiving maintenance infliximab or adalimumab for Crohn's disease...
May 8, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28470579/does-probiotic-supplementation-affect-pulmonary-exacerbation-and-intestinal-inflammation-in-cystic-fibrosis-a-systematic-review-of-randomized-clinical-trials
#15
REVIEW
Zeinab Nikniaz, Leila Nikniaz, Nemat Bilan, Mohammad Hossein Somi, Elnaz Faramarzi
BACKGROUND: Patients with cystic fibrosis (CF) usually have abnormal intestinal microbiota due to massive exposure to antibiotics. Probiotics could modify the gut microbiota and hence may affect CF management. So the aim of present systematic review was evaluation of the efficacy and safety of probiotic supplementation for the management of cystic fibrosis. DATA SOURCES: We searched PubMed, Science Direct, Google Scholar, Springer Cochrane Library Databases until January 2016 for randomized controlled trials (RCTs) performed in pediatric or adult populations related to the study aim...
April 29, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28463850/calprotectin-in-serially-collected-meconium-portions-as-a-biomarker-for-intrauterine-fetal-environment
#16
Barbara Lisowska-Myjak, Ewa Skarżyńska, Joanna Żytyńska-Daniluk
OBJECTIVE: Understanding the pathomechanisms underlying high meconium calprotectin concentrations is the key to the potential uses of this parameter for the assessment of the intrauterine environment in which the fetus develops. The aim of this study was to measure calprotectin concentrations in serial meconium portions passed after birth and to calculate the individual variations in the total meconium calprotectin content accumulated during gestation. METHODS: Calprotectin concentrations were measured using Calprotectin ELISA kit (Immundiagnostik AG) in all meconium portions (n = 81) from 20 healthy neonates...
May 3, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28455476/synovial-calprotectin-a-potential-biomarker-to-exclude-a-prosthetic-joint-infection
#17
M Wouthuyzen-Bakker, J J W Ploegmakers, G A Kampinga, L Wagenmakers-Huizenga, P C Jutte, A C Muller Kobold
AIMS: Recently, several synovial biomarkers have been introduced into the algorithm for the diagnosis of a prosthetic joint infection (PJI). Alpha defensin is a promising biomarker, with a high sensitivity and specificity, but it is expensive. Calprotectin is a protein that is present in the cytoplasm of neutrophils, is released upon neutrophil activation and exhibits anti-microbial activity. Our aim, in this study, was to determine the diagnostic potential of synovial calprotectin in the diagnosis of a PJI...
May 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28454097/upregulation-of-calprotectin-in-mild-ige-mediated-ovalbumin-hypersensitivity
#18
Qingling Zhu, Feng Li, Junli Wang, Jingqiu Ma, Xiaoyang Sheng
Calprotectin, also known as S100A8/A9, has been linked to gut inflammation caused by IgE-mediated food hypersensitivities, but the pathophysiologic abnormalities it causes remain to be determined. We created a mild food hypersensitivity model through oral gavage of ovalbumin in Norway brown rats without using immune adjuvant. Changes in the levels of calprotectin and inflammation-associated cytokines were then observed over time. We found that fecal calprotectin as well as jejunal and liver TLR4, TNF-α, NF-κB, IL-1β, and IL-6 were upregulated in hypersensitive rats...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28451278/magnetic-circular-dichroism-studies-of-iron-ii-binding-to-human-calprotectin
#19
Tessa M Baker, Toshiki G Nakashige, Elizabeth M Nolan, Michael L Neidig
Calprotectin (CP) is an abundant metal-chelating protein involved in host defense, and the ability of human CP to bind Fe(ii) in a calcium-dependent manner was recently discovered. In the present study, near-infrared magnetic circular dichroism spectroscopy is employed to investigate the nature of Fe(ii) coordination at the two transition-metal-binding sites of CP that are a His3Asp motif (site 1) and a His6 motif (site 2). Upon the addition of sub-stoichiometric Fe(ii), a six-coordinate (6C) Fe(ii) center associated with site 2 is preferentially formed in the presence of excess Ca(ii)...
February 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28447072/a-randomized-trial-of-the-effects-of-the-no-carrageenan-diet-on-ulcerative-colitis-disease-activity
#20
Sumit Bhattacharyya, Theresa Shumard, Hui Xie, Amar Dodda, Krista A Varady, Leo Feferman, Allan G Halline, Jay L Goldstein, Stephen B Hanauer, Joanne K Tobacman
BACKGROUND: Carrageenan is a very common food additive in Western diets, but predictably causes inflammation in thousands of cell-based and animal experiments. OBJECTIVE: To assess the impact of carrageenan exposure on the interval to relapse in patients with ulcerative colitis in remission. METHODS: A randomized, double-blind, placebo-controlled, multicenter, clinical trial was conducted to assess if patients with ulcerative colitis in remission would have a longer interval to relapse if they followed a diet with no carrageenan...
March 31, 2017: Nutrition and Healthy Aging
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