Abstract:
BACKGROUND:Senna laxatives are used worldwide. However, their misuse can lead to chronic mucosal inflammation with the accumulation of pigment-laden leukocytes and may cause colon cells to undergo apoptosis. This study explores the mechanisms by which rhein, an active component of senna, acts on a human intestinal cell line to induce ion secretion, apoptosis, and indirect chemotaxis of polymorphonuclear leukocytes. METHODS:Human colonic adenocarcinoma (CaCo-2) monolayer cells, in the presence or in the absence of rhein, were used to monitor the production of reactive nitrogen species using the Griess reaction. Modified Ussing chambers were used to study electrolyte secretion. The capacity to recruit human polymorphonuclear leukocytes was evaluated using masked well chemotaxis chambers. Rhein-induced apoptosis was investigated by counting apoptotic nuclei stained with Hoechst 33258 dye. RESULTS:Rhein caused a dose-dependent increase in short-circuit current that was abolished in chloride-free bathing buffer or by preincubating with 100 micromol/L NG-nitro-L-arginine (L-NAME) methyl ester. The concentration that maximally stimulated intestinal secretion, 50 micromol/L rhein, induced nitrate production. Supernatants obtained from CaCo-2 cultures after incubation with 50 micromol/L rhein stimulated a time-dependent polymorphonuclear leukocytes chemotaxis that was significantly decreased with 100 micromol/L L-NAME, whereas rhein per se was not active. Neutralizing antibodies anti-interleukin-8 (IL-8) and anti-ENA78 also inhibited chemotaxis. Overnight rhein incubation produced an increased number of apoptotic cells in the culture supernatant that was significantly decreased by preincubation with 100 micromol/L L-NAME. Light-degraded rhein had no effects on CaCo-2 monolayers. CONCLUSIONS:The integrity of rhein is crucial to generating nitric oxide, which mediates, with different time courses, ion secretion, chemotaxis, and apoptosis of human-derived cells.
journal_name
J Pediatr Gastroenterol Nutrjournal_title
Journal of pediatric gastroenterology and nutritionauthors
Raimondi F,Santoro P,Maiuri L,Londei M,Annunziata S,Ciccimarra F,Rubino Adoi
10.1097/00005176-200205000-00011subject
Has Abstractpub_date
2002-05-01 00:00:00pages
529-34issue
5eissn
0277-2116issn
1536-4801journal_volume
34pub_type
杂志文章abstract:BACKGROUND:The development of de novo autoimmune hepatitis as a long-term complication after liver transplantation has been recently reported. The authors describe five liver allograft recipients who developed chronic hepatitis associated with autoimmune features. METHODS:Five of 155 liver transplant recipients at ris...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-200102000-00007
更新日期:2001-02-01 00:00:00
abstract:OBJECTIVES:Tryptophan not only is an amino acid essential to protein synthesis but also serves as a precursor in 2 important metabolic pathways: the serotonin and the kynurenine pathways. Tryptophan is related to sleeping patterns. The objective of the present study was to determine the tryptophan requirement of term i...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章,随机对照试验
doi:10.1097/MPG.0000000000000434
更新日期:2014-09-01 00:00:00
abstract:OBJECTIVES:On the basis of studies with hepatorenal syndrome, it is widely regarded that renal function is impacted in chronic liver disease (CLD). Therefore, we investigated renal function in children with CLD. METHODS:In a retrospective study of 277 children with CLD, renal function was investigated as glomerular fi...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000001862
更新日期:2018-04-01 00:00:00
abstract:OBJECTIVE:The antitumor necrosis factor α (TNFα) antibodies infliximab and adalimumab are effective in inducing and maintaining remission in pediatric patients with Crohn disease (CD). The aim of the study was to evaluate the long-term efficacy and safety of biological therapy in pediatric patients with CD followed at ...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000000276
更新日期:2014-05-01 00:00:00
abstract::Six cases of nutritional copper deficiency were identified in a nursery institute for severely handicapped patients. All had been on prolonged enteral feeding of a copper-deficient diet and all had abnormalities related to the copper deficiency. Two of them had leukopenia, with or without macrocytic and normochromic a...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-198807000-00018
更新日期:1988-07-01 00:00:00
abstract::Studies of gastric emptying in infancy indicate that a receptor system in the duodenum regulating emptying exists operating in a manner qualitatively similar to the adult. Further investigation is needed to describe this system in more detail and evaluate how other factors including feeding volume, nutrient digestion,...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-198300201-00019
更新日期:1983-01-01 00:00:00
abstract::Portal vein thrombosis (PVT) is a common cause of portal hypertension in children. Predisposing conditions for PVT are obscure in more than half of the cases. Variceal bleeding and splenomegaly are the most frequent initial manifestations. Radiologic imaging studies are the mainstay for diagnosis. Treatment includes p...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章,评审
doi:10.1097/MPG.0b013e3182a1cd7f
更新日期:2013-10-01 00:00:00
abstract::IgA anti-gliadin antibodies (AGA), interleukin-2 (IL-2), and soluble interleukin-2 receptor (sIL-2R) were analyzed in serum from 28 children with symptoms of celiac disease and villous atrophy in at least their first small bowel biopsy. We also assayed IL-2 and sIL-2R in 45 healthy children and IgA anti-gliadin antibo...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-199101000-00012
更新日期:1991-01-01 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::Acute hydrops of the gallbladder is a well-recognized complication of Kawasaki syndrome. We report a case of a child with this syndrome whose gallbladder hydrops slowly resolved after intravenous gamma-globulin therapy. However, he continued to experience postprandial right upper quadrant abdominal pain. Hepatobiliary...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-199110000-00013
更新日期:1991-10-01 00:00:00
abstract:INTRODUCTION:Endoscopy is integral to the diagnosis and management of many gastrointestinal problems in children. Recently the number of endoscopic procedures performed has increased considerably worldwide raising questions about their appropriateness and cost-efficacy. OBJECTIVES:The aim of the study was to determine...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000001582
更新日期:2017-06-01 00:00:00
abstract::As pediatric liver transplantation comes of age, experts gathered to discuss current paradigms and define gaps in knowledge warranting research to further improve patient and graft outcomes. Identified areas ripe for collaborative research include understanding the molecular and cellular mechanisms of tolerance and th...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 共识发展会议,杂志文章
doi:10.1097/MPG.0000000000001564
更新日期:2017-09-01 00:00:00
abstract:BACKGROUND:Patients with cystic fibrosis who have steatorrhea frequently are underweight and have essential fatty acid (EFA) depletion, which is associated with a poor clinical course. It has been stated that poor EFA status is difficult to correct in patients with cystic fibrosis, and an impaired EFA metabolism with r...
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:10.1097/00005176-200010000-00016
更新日期:2000-10-01 00:00:00
abstract:OBJECTIVE:There are no available data for outcomes in children's idiopathic superior mesenteric artery syndrome (SMAS) strictly treated conservatively. The aim of the study was to evaluate clinical and nutritional outcome in children with idiopathic SMAS. PATIENTS AND METHODS:A 1-year prospective observation study of ...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0b013e3181c7bdda
更新日期:2010-08-01 00:00:00
abstract::Breast milk jaundice has been reported to be associated with increased lipase activity and elevated free fatty acid (FFA) concentrations within breast milk. We have previously shown that bile salts are present in small concentrations in breast milk and the aim of this study was to examine the relationship of bile salt...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-199008000-00009
更新日期:1990-08-01 00:00:00
abstract::Lymphocytes from 10 paired colostrum and peripheral blood specimens were examined to determine if the colostral T cell population differs from the peripheral blood T cell population in subset distribution. The percentages of lymphocytes staining with OKT3, OKT4, and OKT8 murine monoclonal antibody were determined. Lym...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-198605000-00018
更新日期:1986-05-01 00:00:00
abstract:OBJECTIVES:Because of a variable clinical picture, most children with celiac disease remain unrecognized without active serologic screening. Because, however, many patients are asymptomatic, the justification for screening remains unclear. We assessed health and well-being and the effect of a 1-year gluten-free diet in...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0b013e31825f18ff
更新日期:2012-10-01 00:00:00
abstract:BACKGROUND:The IMPACT-III measures health-related quality of life (HRQOL) in pediatric patients with Inflammatory Bowel Disease (IBD). The original IMPACT domain structure was developed based on expert opinion and was not psychometrically validated. This study developed a new domain structure based on the current IMPAC...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000002824
更新日期:2020-10-01 00:00:00
abstract::To investigate the amount of hepatitis B virus (HBV) in colostra of hepatitis B e antigen (HBeAg)-positive carrier mothers and the relationship of HBV amount between colostrum and maternal blood, 50 HBeAg-positive carrier mothers were recruited and studied for hepatitis B surface antigen (HBsAg) titer, HBeAg titer, an...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-199308000-00014
更新日期:1993-08-01 00:00:00
abstract:OBJECTIVES:The aim of the study was to develop a questionnaire evaluating the frequency of symptoms over time of concomitant childhood bladder and bowel dysfunctions (CBBDs) in 5- to 12-year-old children and to assess its feasibility and aspects of validity and reliability. METHODS:The Childhood Bladder and Bowel Dysf...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000001461
更新日期:2017-06-01 00:00:00
abstract::Hepatitis B virus (HBV) infection is endemic among institutionalized retarded patients, who usually have mild, anicteric hepatitis following nonparenteral exposure. We evaluated the risk of HBV infection (as evidenced by serologic studies) among their contacts, including noninstitutional caretakers, during brief home ...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-198401000-00015
更新日期:1984-01-01 00:00:00
abstract:OBJECTIVE:Data suggest an increase in the incidence of pediatric inflammatory bowel disease (IBD). We examined the trend of the incidence of IBD in children. PATIENTS AND METHODS:A retrospective investigation was conducted on a cohort of children diagnosed with IBD between 1991 and 2002 who were registered in the IBD ...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0b013e3181b99baa
更新日期:2010-01-01 00:00:00
abstract::The behavior and intraluminal esophageal pH of 48 infants (5-26 weeks old) were continuously recorded during the 120-min period following their ingestion of a standard volume of apple juice (pH approximately 4). To evaluate the effect of three basic behavior states on the frequency of infant gastroesophageal reflux, t...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-199201000-00007
更新日期:1992-01-01 00:00:00
abstract:OBJECTIVES:Data on the outcomes of children with perianal Crohn disease (pCD) are limited, although its presence is often used for justifying early use of biologics. We aimed to assess whether pCD in children is associated with more severe outcomes as found in adults. METHODS:Data were extracted from the ImageKids dat...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000001484
更新日期:2017-09-01 00:00:00
abstract:BACKGROUND:Achalasia is rare in children. Recently, injection of botulinum toxin into the lower esophageal sphincter has been studied as an alternative to esophageal pneumatic dilatation or surgical myotomy as treatment for achalasia. In the current study, the effects of botulinum toxin were investigated in the largest...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-200005000-00009
更新日期:2000-05-01 00:00:00
abstract::We report on two Aboriginal patients with the hyperornithinemia-hyperammonemia-homocitrullinuria (HHH) syndrome. Both presented with acute hepatic failure with severe hypertransaminasemia and coagulopathy, prompting evaluation for emergent liver transplantation. The diagnosis of HHH syndrome was based on the presence ...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0b013e318145a8e5
更新日期:2008-03-01 00:00:00
abstract::Inflammatory bowel disease (IBD) affects many children and adolescents in terms of their confidence, acceptance, and ability to build friendships. New Zealand held its first summer camp for children with IBD in January 2015. We obtained feedback from the campers (ages 10-18 years) in terms of their confidence, accepta...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0000000000001526
更新日期:2017-09-01 00:00:00
abstract::We describe a 14-month-old female who presented with hepatomegaly 1 month after abdominal trauma. Eight years later, radiographic and histologic studies confirmed the diagnosis of Budd--Chiari syndrome with evolution to cirrhosis. ...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-198201020-00021
更新日期:1982-01-01 00:00:00
abstract:BACKGROUND:Chronic constipation is one of the most common disorders in Western countries and despite numerous clinical, pathophysiologic, and epidemiologic studies its cause is still unclear. Several hypotheses have been proposed and according to experimental studies and clinical observation, fiber intake could play a ...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/00005176-199902000-00015
更新日期:1999-02-01 00:00:00
abstract:OBJECTIVES:The response to hepatitis A vaccine has not been studied in children with celiac disease (CD). The aim of the present study was to evaluate the immunogenicity of an inactivated hepatitis A virus (HAV) vaccine and the effect of the human leukocyte antigen (HLA) type on immunogenicity in children with CD. PAT...
journal_title:Journal of pediatric gastroenterology and nutrition
pub_type: 杂志文章
doi:10.1097/MPG.0b013e318223b3ed
更新日期:2011-11-01 00:00:00