Abstract:
OBJECTIVES:Polymorphonuclear leukocytes (PMN) feature prominently in the mucosa, including in crypt abscesses, of patients with inflammatory bowel disease, yet the mediators that are responsible for this migration are unknown. We discovered that CXCR2 chemokines (reportedly elevated in the mucosa) have reduced potency recruiting PMN across epithelial cell monolayers versus acellular filters, so the objective was to determine what molecules modify transepithelial PMN migration to CXCR2 chemokines. METHODS:Transwells with T84 colon carcinoma monolayers or no epithelium were used with adolescent patient peripheral blood PMN and CXCL8 (interleukin-8 [IL-8], binds CXCR1 and CXCR2), CXCL5 (epithelial-derived neutrophil chemoattractant-78 [ENA-78]), or CXCL1 (Gro-α, both bind CXCR2) as chemoattractants. RESULTS:IL-8 was equally potent at recruiting PMN across filters and T84 monolayers growing on the filters. In contrast, ENA-78 and Gro-α were significantly less potent at recruiting PMN across monolayers than across bare filters. Blocking CXCR1 reduced PMN migration across monolayers to IL-8. We ruled out superoxide radicals possibly enhancing migration to IL-8 by using PMN from a patient with chronic granulomatous disease. PMN constitutively produce adenosine, so we added adenosine deaminase to the transwell assays and observed increased migration to ENA-78 across T84 monolayers. The level of migration was further enhanced by pretreating PMN with adenosine before adding the cells to the assay in the presence of the deaminase. CONCLUSIONS:PMN migration mediated by CXCR2 through the epithelium is regulated by adenosine. Adenosine appears to reduce transepithelial migration by influencing β2 integrin use on the PMN.
journal_name
J Pediatr Gastroenterol Nutrjournal_title
Journal of pediatric gastroenterology and nutritionauthors
Stadnyk AW,Carrigan SO,Otley ARdoi
10.1097/MPG.0b013e3182318d13subject
Has Abstractpub_date
2012-03-01 00:00:00pages
414-21issue
3eissn
0277-2116issn
1536-4801journal_volume
54pub_type
杂志文章abstract:OBJECTIVE:To conduct a comprehensive study of postendoscopic adverse events (AEs) in children, categorizing them by the level of intervention required. BACKGROUND:Previous studies of endoscopic AE in children have focused on intraprocedural and short-term outcomes, such as bleeding, perforation, and infection, and may...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000001038
更新日期:2016-06-01 00:00:00
abstract:OBJECTIVES:Small for gestational age (SGA) infants are more susceptible to infectious morbidity and growth faltering compared to their appropriate for gestational age (AGA) counterparts. Zinc supplementation of SGA infants may be beneficial but the underlying susceptibility to zinc deficiency of SGA infants has not bee...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000001778
更新日期:2018-03-01 00:00:00
abstract::Nineteen patients with cystic fibrosis (CF) were studied to determine whether plasma fatty acids correlated with severity of their lung disease as assessed by pulmonary function testing. Results were compared with 19 normal subjects of similar age and sex. Linoleic acid content of all lipid fractions was significantly...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-198605000-00013
更新日期:1986-05-01 00:00:00
abstract::Lactoferrin is an iron-binding protein present in high concentrations in human milk. The efficacy of supplementing iron bound to lactoferrin to iron-deficient and iron-sufficient young mice was evaluated in comparison with supplementation of iron as iron chloride. Mice fed a nonsupplemented milk diet (approximately 1 ...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-198311000-00021
更新日期:1983-11-01 00:00:00
abstract:OBJECTIVES:The aim of the present study was to determine whether serial gastric volumes and intragastric curding are repeatable within individual preterm infants when given sequential feeds of the same volume and composition. Infant and feeding characteristics that may influence differences in measured gastric volumes,...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000000397
更新日期:2014-08-01 00:00:00
abstract::We compared the in vivo transport of zinc in segments of jejunum, ileum, and colon of 2-week-old (suckling) and 6-week-old (adolescent) rats. In normal rats, net absorption and lumen to mucosa flux of zinc, normalized for differences in size of the intestine (mumol/h/g dry weight) were significantly greater in all per...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-198201010-00020
更新日期:1982-01-01 00:00:00
abstract::A series of recent studies has suggested that preterm infants are capable of breast feeding at weights less than 1,500 g. However, estimating intake during breast feeding for these small infants is important for safe clinical practice and valid research. The purpose of this study was to compare the accuracy of test we...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00005176-199001000-00012
更新日期:1990-01-01 00:00:00
abstract:BACKGROUND:Vitamin D is known to have modulatory actions in the immune system. Its influence on the severity of lower tract acute respiratory infections (LT-ARIs) is unclear. OBJECTIVES:The aim of the present study was to evaluate the role of vitamin D on LT-ARI in paediatric patients. METHODS:Children admitted to ho...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000001003
更新日期:2016-03-01 00:00:00
abstract:BACKGROUND:The spectrum and severity of idiosyncratic drug-induced liver injury (DILI) in children are not well established. PATIENTS AND METHODS:The DILIN (Drug-Induced Liver Injury Network) Prospective Study is a longitudinal multicenter study designed to determine the etiologies, risk factors, and outcomes of suspe...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章,多中心研究
doi:10.1097/MPG.0b013e31821d6cfd
更新日期:2011-08-01 00:00:00
abstract:OBJECTIVE:The aim of the study was to determine whether an oral treatment with a commercial pharmaceutical product containing Saccharomyces boulardii would reduce the duration of diarrhea in infants with acute diarrhea. PATIENTS AND METHODS:In the present double-blind, placebo-controlled study, 186 infants, 6 to 48 mo...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章,随机对照试验
doi:10.1097/MPG.0b013e31822b7ab0
更新日期:2011-11-01 00:00:00
abstract:OBJECTIVES:Dexlansoprazole MR 30 mg once daily (QD) is approved in adults for the treatment of symptomatic nonerosive gastroesophageal reflux disease (GERD) and maintenance of healed erosive esophagitis (EE); 60 mg is approved for healing EE. The present study assesses the pharmacokinetic (PK) profile and safety of d...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1097/MPG.0b013e31822a323a
更新日期:2012-01-01 00:00:00
abstract:OBJECTIVES:To analyze the long-term results of Boerema anterior gastropexy using the Visick grading system in a university teaching hospital. METHODS:Retrospective review of 247 children with severe or complicated gastroesophageal reflux disease (GERD). Patients who underwent primary gastropexy between 1990 and 2001 w...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/01.mpg.0000215313.72826.bc
更新日期:2006-07-01 00:00:00
abstract:BACKGROUND AND AIM:A select group of children with short bowel syndrome (SBS) and intestinal failure-associated liver disease (IFALD) fulfill the criteria for isolated liver transplantation (iLTx). Long-term results in this group of patients have not been reported. METHODS:A retrospective study of the medical records ...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0b013e31823f42e7
更新日期:2012-04-01 00:00:00
abstract:OBJECTIVES:Wireless capsule endoscopy (WCE) is an increasingly used procedure for visualization of the small intestine. One challenge in pediatric WCE is the placement of the capsule in a population unable to swallow it for a variety of reasons. Here we present a novel use of the real-time (RT) viewer in the endoscopic...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0b013e318261879d
更新日期:2012-11-01 00:00:00
abstract::A 14-year-old black male with sickle cell anemia developed a duodenal ulcer that masqueraded as sickle cell-related abdominal pain crisis on multiple occasions. Malingering and poor therapeutic compliance aggravated the ulcer in this patient, who ultimately succumbed to a catastrophic bleed. Duodenal ulcer appears to ...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章,评审
doi:10.1097/00005176-199001000-00023
更新日期:1990-01-01 00:00:00
abstract:OBJECTIVES:The response of serum transaminase levels to penicillamine and zinc treatment in Wilson's disease is poorly understood. The aim of this multicenter retrospective study was to evaluate transaminase levels after penicillamine and zinc treatment in children with Wilson's disease. PATIENTS AND METHODS:One hundr...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-200410000-00006
更新日期:2004-10-01 00:00:00
abstract:OBJECTIVES:It is unclear how diagnostic tests for gastroesophageal reflux disease (GERD) in children relate to the course of symptoms during follow-up. METHODS:During 1 year, all children (ages 0-18 years), who underwent pH-metry and/or pH multichannel intraluminal impedance (MII), were included after written informed...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000000582
更新日期:2015-02-01 00:00:00
abstract:OBJECTIVES:The present guidelines of the American Academy of Pediatrics recommend that osmolarity not exceed 450 mOsm/kg (or approximately an osmolarity of 400 mOsm/L) for breast milk or infant formulae, to minimize the risk factors for necrotizing enterocolitis. A commercial protein supplement has been developed to me...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0b013e3182a208c7
更新日期:2013-10-01 00:00:00
abstract:OBJECTIVE:The aim of the study was to quantify the differences in viscosity of over a range of commercial food-based formulas and home-prepared blenderized feeds used for enteral feeding in the clinical management of gastroesophageal reflux and gastroesophageal reflux-related aspiration in children with oropharyngeal d...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000002657
更新日期:2020-06-01 00:00:00
abstract:BACKGROUND:Shwachman's syndrome is the second most common cause of inherited/congenital pancreatic insufficiency after cystic fibrosis. The main associated features are usually cyclic neutropenia, metaphyseal dysostosis, and growth retardation. Other organs or functions may be involved in this syndrome, showing a wide ...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-199909000-00006
更新日期:1999-09-01 00:00:00
abstract::Preterm infant formulas (PIFs) for very-low-birth-weight (VLBW) infants (birth weight, < 1,500 g) are augmented to provide daily riboflavin and pyridoxine at levels up to five-fold greater than in term infant formula and 18-fold greater than in human milk. We evaluated plasma riboflavin and pyridoxine concentrations i...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 临床试验,杂志文章
doi:10.1097/00005176-199608000-00008
更新日期:1996-08-01 00:00:00
abstract:BACKGROUND:Although direct medical costs for constipation-related medical visits are thought to be high, to date there have been no studies examining whether longitudinal resource use is persistently elevated in children with constipation. Our aim was to estimate the incremental direct medical costs and types of health...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0b013e3181e67058
更新日期:2011-01-01 00:00:00
abstract:BACKGROUND:The causal association between Helicobacter pylori (H. pylori) colonization of the gastric mucosa and gastritis is now well established. Histologic examination of endoscopic biopsy specimens has long been regarded as the gold standard for diagnosis. However, the changes can be focal in nature and presence of...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 临床试验,杂志文章
doi:10.1097/00005176-199901000-00014
更新日期:1999-01-01 00:00:00
abstract:BACKGROUND:Vedolizumab (VDZ) is effective for treating both adult and pediatric onset inflammatory bowel disease (IBD). Clinical outcomes, however, have been reported to be superior in patients naïve to anti-tumor necrosis factor (TNF). With the growing interest in endoscopic endpoints, we aimed to describe rates of mu...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000002556
更新日期:2020-03-01 00:00:00
abstract:OBJECTIVES:: Several serologic assays are commercially available to aid in the diagnosis of gluten-sensitive enteropathy (GSE). Our objective in this study was to assess the performance of a novel combined antigen-screening assay for GSE. PATIENTS AND METHODS:: Deidentified sera from 111 pediatric patients suspected o...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0b013e3181c992be
更新日期:2010-07-01 00:00:00
abstract::One hundred forty-one children with insulin-dependent diabetes mellitus were screened for serum immunoglobulin A (IgA) antigliadin antibodies by means of an enzyme-linked immunosorbent assay (ELISA) method. None of them had gastrointestinal symptoms, and no major nutritional disturbances were detected except for a gir...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-199607000-00006
更新日期:1996-07-01 00:00:00
abstract::Serum carboxyterminal propeptide of type I procollagen (PICP) and cross-linked carboxyterminal telopeptide of type I collagen (ICTP), new markers of bone collagen type I biosynthesis and degradation, have not been studied in small for gestational age (SGA) infants. In an earlier study, we found a lower bone mineral co...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-199610000-00004
更新日期:1996-10-01 00:00:00
abstract::The clinical usefulness of serum gamma-glutamyl transpeptidase (gamma GT) assay for the diagnosis of liver disease in children was assessed retrospectively in 398 children investigated from 1981 to 1986, in whom diagnosis was ascertained according to currently accepted criteria including liver histology in each case. ...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-199101000-00005
更新日期:1991-01-01 00:00:00
abstract:OBJECTIVES:Gastrointestinal (GI) symptoms of nausea, vomiting, and abdominal pain are common in patients with orthostatic intolerance (OI), including neurally mediated hypotension (NMH) and postural orthostatic tachycardia syndrome (POTS). Autonomic dysregulation is considered the underlying pathophysiology behind the ...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000001150
更新日期:2016-09-01 00:00:00
abstract:OBJECTIVES:Although several studies report on the experience with adult eosinophilic esophagitis (EoE)-related stricture, outcomes for pediatric patients with EoE-associated fibrostenosis and stricture is more limited. To address this, we aim to identify the adverse event (AE) rate and short-term outcomes of the larges...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000001336
更新日期:2017-05-01 00:00:00