Abstract:
AIM:To investigate the intestinal anti-inflammatory effect and mechanism of a probiotic Lactobacillus salivarius ssp. salivarius CECT5713 in the TNBS model of rat colitis. METHODS:Female Wistar rats (180-200 g) were used in this study. A group of rats were administered orally the probiotic L. salivarius ssp. salivarius (5x10(8) CFU suspended in 0.5 mL of skimmed milk) daily for 3 wk. Two additional groups were used for reference, a non-colitic and a control colitic without probiotic treatment, which received orally the vehicle used to administer the probiotic. Two weeks after starting the experiment, the rats were rendered colitic by intracolonic administration of 10 mg of TNBS dissolved in 0.25 mL of 500 mL/L ethanol. One week after colitis induction, all animals were killed and colonic damage was evaluated both histologically and biochemically. The biochemical studies performed in colonic homogenates include determination of myeloperoxidase (MPO) activity, glutathione (GSH) content, leukotriene B4 (LTB4) and tumor necrosis factor alpha (TNF-alpha) levels, as well as inducible nitric oxide synthase (iNOS) expression. In addition, the luminal contents obtained from colonic samples were used for microbiological studies, in order to determine Lactobacilli and Bifidobacteria counts. RESULTS:Treatment of colitic rats with L. salivarius ssp. salivarius resulted in amelioration of the inflammatory response in colitic rats, when compared with the corresponding control group without probiotic treatment. This anti-inflammatory effect was evidenced macroscopically by a significant reduction in the extent of colonic necrosis and/or inflammation induced by the administration of TNBS/ethanol (2.3+/-0.4 cm vs 3.4+/-0.3 cm in control group, P<0.01) and histologically by improvement of the colonic architecture associated with a reduction in the neutrophil infiltrate in comparison with non-treated colitic rats. The latter was confirmed biochemically by a significant reduction of colonic MPO activity (105.3+/-26.0 U/g vs 180.6+/-21.9 U/g, P<0.05), a marker of neutrophil infiltration. The beneficial effect was associated with an increase of the colonic GSH content (1252+/-42 nmol/g vs 1087+/-51 nmol/g, P<0.05), which is depleted in colitic rats, as a consequence of the oxidative stress induced by the inflammatory process. In addition, the treatment of colitic rats with L. salivarius resulted in a significant reduction of colonic TNF-alpha levels (509.4+/-68.2 pg/g vs 782.9+/-60.1 pg/g, P<0.01) and in a lower colonic iNOS expression, when compared to TNBS control animals without probiotic administration. Finally, treated colitic rats showed higher counts of Lactobacilli species in colonic contents than control colitic rats, whereas no differences were observed in Bifidobacteria counts. CONCLUSION:Administration of the probiotic L. salivarius ssp. salivarius CECT5713 facilitates the recovery of the inflamed tissue in the TNBS model of rat colitis, an effect associated with amelioration of the production of some of the mediators involved in the inflammatory response in the intestine, such as cytokines, including TNF-alpha and NO. This beneficial effect could be ascribed to its effect on the altered immune response that occurs in this inflammatory condition.
journal_name
World J Gastroenteroljournal_title
World journal of gastroenterologyauthors
Peran L,Camuesco D,Comalada M,Nieto A,Concha A,Diaz-Ropero MP,Olivares M,Xaus J,Zarzuelo A,Galvez Jdoi
10.3748/wjg.v11.i33.5185keywords:
subject
Has Abstractpub_date
2005-09-07 00:00:00pages
5185-92issue
33eissn
1007-9327issn
2219-2840journal_volume
11pub_type
杂志文章abstract:AIM:To evaluate the outcome of chronic hepatitis B (CHB) in children with or without malignancies. METHODS:Twenty four children (15 boys and 9 girls) with malignancies, followed up by the pediatric gastroenterology outpatient clinic for CHB between January 2000 and December 2013, were enrolled in the study (Group 1). ...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v21.i7.2073
更新日期:2015-02-21 00:00:00
abstract:AIM:To investigate the prognostic significance of perioperative leukopenia in patients with resected gastric cancer. METHODS:A total of 614 eligible gastric cancer patients who underwent curative D2 gastrectomy and adjuvant chemotherapy were enrolled in this study. The relationship between pre- and postoperative hemat...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v22.i9.2818
更新日期:2016-03-07 00:00:00
abstract:AIM:To assess the results of endoscopic mucosal resection with a ligation device (EMR-L) combined with three dimensional endoscopic ultrasonography (3D-EUS) using an ultrasonic probe for rectal carcinoids. In addition, diagnosis of the depth and size of lesions by EUS was evaluated. METHODS:Between January 2003 and Ma...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.14.4054
更新日期:2008-07-07 00:00:00
abstract::P21-activated kinases (PAKs) are central players in various oncogenic signaling pathways. The six PAK family members are classified into group I (PAK1-3) and group II (PAK4-6). Focus is currently shifting from group I PAKs to group II PAKs. Group II PAKs play important roles in many fundamental cellular processes, som...
journal_title:World journal of gastroenterology
pub_type: 杂志文章,评审
doi:10.3748/wjg.v22.i3.1224
更新日期:2016-01-21 00:00:00
abstract::Microsomal glutathione transferase (MGST1, EC 2.5.1.18) is a membrane bound glutathione transferase extensively studied for its ability to detoxify reactive intermediates, including metabolic electrophile intermediates and lipophilic hydroperoxides through its glutathione dependent transferase and peroxidase activitie...
journal_title:World journal of gastroenterology
pub_type: 杂志文章,评审
doi:10.3748/wjg.v17.i20.2552
更新日期:2011-05-28 00:00:00
abstract:AIM:To evaluate the full-spectrum endoscopy (FUSE) colonoscopy system as the first report on the utility thereof in a Korean population. METHODS:We explored the efficacy of the FUSE colonoscopy in a retrospective, single-center feasibility study performed between February 1 and July 20, 2015. A total of 262 subjects (...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v22.i8.2621
更新日期:2016-02-28 00:00:00
abstract:AIM:To explore the possibility of the replacement of the gag gene between human immunodeficiency virus and bovine immunodeficiency virus, to achieve chimeric virions, and thereby gain a new kind of AIDS vaccine based on BHIV chimeric viruses. METHODS:A series of chimeric BHIV proviral DNAs differing in the replacement...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v11.i17.2609
更新日期:2005-05-07 00:00:00
abstract::Two-dimensional shear wave elastography (2D-SWE) is a rapid, simple and novel noninvasive method that has been proposed for assessing hepatic fibrosis in patients with chronic liver diseases (CLDs) based on measurements of liver stiffness. 2D-SWE can be performed easily at the bedside or in an outpatient clinic and yi...
journal_title:World journal of gastroenterology
pub_type: 杂志文章,评审
doi:10.3748/wjg.v24.i9.957
更新日期:2018-03-07 00:00:00
abstract:AIM:To accurately and realistically elucidate human stem cell behaviors in vivo and the fundamental mechanisms controlling human stem cell fates in vivo, which is urgently required in regenerative medicine and treatments for some human diseases, a surrogate human-rat chimera model was developed. METHODS:Human-rat chim...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v13.i19.2707
更新日期:2007-05-21 00:00:00
abstract:AIM:To investigate the relationship between 579 G>T polymorphisms in the DNMT3B gene, which is involved in de novo methylation and associated with the risk of esophagus cancer (EC) in Chinese. METHODS:DNMT3B 579 G>T genotypes were determined by PCR-RFLP in 194 EC patients and 210 healthy controls matched for age and s...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.14.2230
更新日期:2008-04-14 00:00:00
abstract::Patients with advanced gastric cancer (AGC) can be treated with multiple lines of chemotherapy. Although several randomized trials have demonstrated the benefit of second-line chemotherapy compared with best supportive care, there is no evidence that further lines of chemotherapy will result in substantial prolongatio...
journal_title:World journal of gastroenterology
pub_type: 杂志文章,评审
doi:10.3748/wjg.v21.i29.8811
更新日期:2015-08-07 00:00:00
abstract::Colorectal cancer (CRC) is a common health problem, representing the third most commonly diagnosed cancer worldwide and causing a significant burden in terms of morbidity and mortality, with annual deaths estimated at 700000. The western way of life, that is being rapidly adopted in many regions of the world, is a wel...
journal_title:World journal of gastroenterology
pub_type: 杂志文章,评审
doi:10.3748/wjg.v23.i33.6049
更新日期:2017-09-07 00:00:00
abstract:AIM:To investigate the effect of side-stream smoking on gut microflora composition, intestinal inflammation and expression of tight junction proteins. METHODS:C57BL/6 mice were exposed to side-stream cigarette smoking for one hour daily over eight weeks. Cecal contents were collected for microbial composition analysis...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v18.i18.2180
更新日期:2012-05-14 00:00:00
abstract:AIM:To assess whether the use of fibrin sealant shortens the closure time of postoperative enterocutaneous fistulas (ECFs). METHODS:The prospective case-control study included 70 patients with postoperative ECFs with an output of < 500 mL/d, a fistulous tract of > 2 cm and without any local complication. They were div...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v16.i22.2793
更新日期:2010-06-14 00:00:00
abstract::Hepatocellular carcinoma (HCC) remains to be one of the top causing cancer-related deaths today. The majority of HCC cases are reported to be the result of chronic hepatitis B virus (HBV) infection. Current treatments for HBV-related HCC revolve around the use of drugs to inhibit viral replication, as a high level of ...
journal_title:World journal of gastroenterology
pub_type: 杂志文章,评审
doi:10.3748/wjg.v20.i20.5973
更新日期:2014-05-28 00:00:00
abstract:BACKGROUND:Sequential transarterial chemoembolization (TACE) and portal vein embolization (PVE) are associated with long time interval that can allow tumor growth and nullify treatments' benefits. AIM:To evaluate the effect of simultaneous TACE and PVE for patients with large hepatocellular carcinoma (HCC) prior to el...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v26.i30.4489
更新日期:2020-08-14 00:00:00
abstract:AIM:To explore the effects of the nucleoside analogues beta-L-D4A and beta-LPA on hepatitis B virus (HBV) promoters. METHODS:Four HBV promoters were amplified by polymerase chain reaction (PCR) and subcloned into the expression vector pEGFP-1. The four recombinants controlled by HBV promoters were confirmed by restric...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.14.1836
更新日期:2008-03-28 00:00:00
abstract::In 2004, an association of genetic variation in the discs large homolog 5 (DLG5) gene with inflammatory bowel disease (IBD) was described in two large European study samples. The initial report of DLG5 as a novel IBD susceptibility gene sparked a multitude of studies investigating its effect on CD and IBD, respectivel...
journal_title:World journal of gastroenterology
pub_type: 杂志文章,评审
doi:10.3748/wjg.v12.i23.3651
更新日期:2006-06-21 00:00:00
abstract::The major type of human liver cancer is hepatocellular carcinoma (HCC), and there are currently many risk factors that contribute to this deadly disease. The majority of HCC occurrences are associated with chronic hepatitis viral infection, and hepatitis B viral (HBV) infection is currently a major health problem in E...
journal_title:World journal of gastroenterology
pub_type: 杂志文章,评审
doi:10.3748/wjg.v21.i42.12157
更新日期:2015-11-14 00:00:00
abstract::Increased numbers of mucosa-associated Escherichia coli are observed in both of the major inflammatory bowel diseases, Crohn d' disease (CD) and ulcerative colitis (UC). A potential pathophysiological link between the presence of pathogenic invasive bacteria and genetic host susceptibility of patients with ileal CD is...
journal_title:World journal of gastroenterology
pub_type: 杂志文章,评审
doi:10.3748/wjg.v13.i42.5571
更新日期:2007-11-14 00:00:00
abstract:AIM:To investigate GATA5, SFRP2, and ITGA4 methylation in plasma DNA as noninvasive biomarkers for colorectal cancer (CRC) or adenomas. METHODS:There were 57 CRC patients, 30 adenomas patients, and 47 control patients enrolled in this study. Methylation-specific polymerase chain reaction was used to determine the prom...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v21.i9.2629
更新日期:2015-03-07 00:00:00
abstract:AIM:To evaluate the risk factors-other than nonsteroidal anti-inflammatory drugs-for colonic diverticular bleeding in a westernized population. METHODS:One hundred and forty patients, treated for symptomatic diverticular disease in a community based hospital, were included. Thirty (21%) had signs of diverticular bleed...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.15.457
更新日期:2009-01-28 00:00:00
abstract:AIM:To examine whether 2'-5'oligoadenylate synthetase (OAS) gene promoter can be specifically activated by hepatitis C virus (HCV)-core protein. METHODS:Human embryo hepatic cell line L02 was transfected with pcDNA3.1-core plasmid and selected by G418. Expression of HCV-core was detected by reverse transcription polym...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.15.3178
更新日期:2009-07-07 00:00:00
abstract:AIM:To retrospectively collect inpatient and outpatient data and to assess the use of endoscopic procedures during the years 1991, 1997 and 2003 to analyse for trends. METHODS:This retrospective survey was conducted in a University-associated Gastroenterology Unit offering secondary and tertiary health care services f...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.15.583
更新日期:2009-02-07 00:00:00
abstract:AIM:To investigate the dynamic features of insulin-like growth factor-I receptor (IGF-IR) expression in rat hepatocarcinogenesis, and the relationship between IGF-IR and hepatocytes malignant transformation at mRNA or protein level. METHODS:Hepatoma models were made by inducing with 2-fluorenylacetamide (2-FAA) on mal...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v19.i36.6084
更新日期:2013-09-28 00:00:00
abstract::Desmoid tumor is a locally invasive, myofibroblastic, nonmetastatic tumor. Its pathogenesis remains unclear and it may involve genetic abnormalities, sex hormones and traumatic injury, including surgery. Postoperative intra-abdominal desmoid tumor is rare, especially in the retroperitoneum. We report a case of postope...
journal_title:World journal of gastroenterology
pub_type: 杂志文章,评审
doi:10.3748/wjg.v18.i42.6172
更新日期:2012-11-14 00:00:00
abstract::Pancreatic cysts are identified at an increasing frequency. Although mucinous cystic neoplasms represent a pre-malignant condition, the majority of these lesions do not progress to cancer. Over the last 10 years several societies have established guidelines for the diagnosis, initial evaluation and surveillance of the...
journal_title:World journal of gastroenterology
pub_type: 杂志文章,评审
doi:10.3748/wjg.v25.i31.4405
更新日期:2019-08-21 00:00:00
abstract:AIM:To determine the association of human antigen R (HuR) and inhibitors of apoptosis proteins (IAP1, IAP2) and prognosis in pancreatic cancer. METHODS:Protein and mRNA expression levels of IAP1, IAP2 and HuR in pancreatic ductal adenocarcinoma (PDAC) were compared with normal pancreatic tissue. The correlations among...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v25.i2.205
更新日期:2019-01-14 00:00:00
abstract::Colorectal anastomotic leakage (CAL) remains a major complication after colorectal surgery. Despite all efforts during the last decades, the incidence of CAL has not decreased. In this review, we summarize the available strategies regarding prevention, prediction and intervention of CAL and categorize them into three ...
journal_title:World journal of gastroenterology
pub_type: 杂志文章,评审
doi:10.3748/wjg.v22.i32.7226
更新日期:2016-08-28 00:00:00
abstract:AIM:To determine the role of NOB1, a regulator of cell survival in yeast, in human colorectal cancer cells. METHODS:Lentivirus-mediated small interfering RNA (siRNA) was used to inhibit NOB1 expression in RKO human colorectal cancer cells in vitro and in vivo in a mouse xenograft model. The in vitro and in vivo knockd...
journal_title:World journal of gastroenterology
pub_type: 杂志文章
doi:10.3748/wjg.v21.i3.868
更新日期:2015-01-21 00:00:00