pylori density and gastritis could be of help in reducing the ris

pylori density and gastritis could be of help in reducing the risk of H. pylori-associated complication later in life [82]. Finally, as a perspective it is fascinating the hypothesis of using probiotics to inhibiting H. pylori adhesion to gastric epithelial cells thus preventing H. pylori colonization especially in young children or H. pylori re-infection in high-risk patients. Results so far are encouraging and further clinical trials are called for. The design of such studies should be such as to clarify which probiotic

strains are suitable, in what form, in what dose and for how long. No competing interests or financial support exist. “
“This review concerns important pediatric studies published from April 2013 to March 2014. New data on pathogenesis have demonstrated that Th1 type cytokine secretion at the gastric level is less intense in children compared with adults. They have learn more also shown that the most significant risk factor for Helicobacter pylori infection is the parents’ click here origin and frequency of childcare in settings with a high prevalence of infection. A new hypothesis on the positive relationship between childhood H. pylori

infection and the risk of gastric cancer in adults has been suggested which calls for an implementation of preventive programs to reduce the burden of childhood H. pylori infection in endemic areas. Several studies have investigated the role of H. pylori infection in iron-deficiency anemia, and results support the role of the bacterium in this condition. ZD1839 in vitro Antibiotic resistance is an area of intense research with data confirming an increase in antibiotic resistance, and the effect of CYP2C19 genetic polymorphism on proton-pump inhibitor metabolism should be further investigated as cure rates are lower in extensive metabolizers. Studies confirmed that probiotic supplementation may have beneficial effects on eradication and therapy-related

side effects, particularly diarrhea in children. In numerous studies, the influence of Helicobacter pylori virulence on the development of various diseases has been studied. Alvarez et al. [1, 2] studied methylation of some genes predisposing to gastric cancer. They observed that THBS1 and GATA-4 were methylated already in the early stage of infection and are downregulated. HIC-1 demonstrated the lowest level of methylation and therefore, the main mechanism of downregulation has to be different. On the other hand, methylation of promotor regions of MGMT and MLH 1 depended on the duration of the infection. Nodular gastritis was very frequently associated with H. pylori infection in childhood. Nodular gastritis associated with H. pylori infection can commonly occur in childhood and is regarded as benign with no clinical significance. Yang et al. [3] analyzed gastric mucosa-associated lymphoid tissue (MALT) to clarify the significance of nodular gastritis in 80 H.

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