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Unbound Medicine.
(Helicobacter pylori)
44,533 results
  • Protective effects of Helicobacter pylori membrane vesicles against stress and antimicrobial agents. [Journal Article]
    Microbiology. 2020 May 28 [Online ahead of print]Murray BO, Dawson RA, … Anne Winter J
  • Outer-membrane vesicles (OMVs) produced by Helicobacter pylori deliver bacterial components to host cells, provide a mechanism for stabilization of secreted components and may allow the bacteria to exert 'long-range' effects in the gastric niche, promoting persistence. In addition to their well-characterized host cell interactions, membrane vesicles improve stress survival in other bacterial spec…
  • Clinical implications of gastric complications on levodopa treatment in Parkinson's disease. [Review]
    Parkinsonism Relat Disord. 2020 May 11 [Online ahead of print]Pfeiffer RF, Isaacson SH, Pahwa R
  • Disorders of the gastrointestinal (GI) tract are common and distressing nonmotor symptoms of Parkinson's disease (PD) that can adversely affect levodopa absorption and lead to OFF periods, also known as motor fluctuations. Gastroparesis, which is primarily defined as delayed gastric emptying (DGE), and Helicobacter pylori infection, which is present with increased frequency in PD, are among the m…
  • Prevalence and Antibiotic Resistance Patterns of Helicobacter pylori Infection in Koh Kong, Cambodia. [Journal Article]
    Asian Pac J Cancer Prev. 2020 May 01; 21(5):1409-1413.Aumpan N, Vilaichone RK, … Yamaoka Y
  • CONCLUSIONS: H. pylori infection remains common infection in Cambodia. High prevalence of clarithromycin, metronidazole, levofloxacin and multidrug-resistant H. pylori is still major problems in Cambodia. Treatment regimens without clarithromycin and quinolone such as 14-day bismuth-based quadruple therapy might be an appropriate choice for H. pylori eradication in this particular area.
  • The Helicobacter pylori Cag Type IV Secretion System. [Review]
    Trends Microbiol. 2020 Mar 26 [Online ahead of print]Cover TL, Lacy DB, Ohi MD
  • Colonization of the human stomach with Helicobacter pylori strains containing the cag pathogenicity island is a risk factor for development of gastric cancer. The cag pathogenicity island contains genes encoding a secreted effector protein (CagA) and components of a type IV secretion system (Cag T4SS). The molecular architecture of the H. pylori Cag T4SS is substantially more complex than that of…
  • The role of gastric microbiota in gastric cancer. [Journal Article]
    Gut Microbes. 2020 May 23 [Online ahead of print]Stewart OA, Wu F, Chen Y
  • Gastric cancer represents one of the leading causes of cancer deaths worldwide. Helicobacter pylori (H. pylori) infection is the strongest risk factor associated with gastric cancer. Due to new molecular techniques allowing greater identification of stomach microbes, investigators are beginning to examine the role that bacteria other than H. pylori play in gastric cancer development. Recently, re…
  • Acanthamoeba castellanii supports extracellular survival of Helicobacter pylori in co-culture. [Journal Article]
    J Infect Chemother. 2020 May 21 [Online ahead of print]Hojo F, Osaki T, … Kamiya S
  • This study aimed to demonstrate whether Helicobacter pylori is able to survive in co-culture with a protozoan, Acanthamoeba castellanii, in order to further investigate a possible aqueous environmental mode of transmission. Numbers of H. pylori in co-culture with A castellanii were assessed by colony forming unit (CFU) assay and cell morphology was observed by electron microscopy. Viable and inta…
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