Search Results - "Osato, M. S."

Challenge model for Helicobacter pylori infection in human volunteers by Graham, D Y, Opekun, A R, Osato, M S, El-Zimaity, H M T, Lee, C K, Yamaoka, Y, Qureshi, W A, Cadoz, M, Monath, T P

“…Background: A reliable challenge model is needed to evaluate Helicobacter pylori vaccine candidates. Methods: A cag pathogenicity island negative, OipA…”
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Early events in proton pump inhibitor‐associated exacerbation of corpus gastritis by Graham, D. Y., Opekun, A. R., Yamaoka, Y., Osato, M. S., El‐Zimaity, H. M. T.

“…Summary Background : Antisecretory therapy may exacerbate Helicobacter pylori corpus gastritis. The rate and mechanism(s) remain unknown. Aim : To investigate…”
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Meta‐analysis: proton pump inhibitor or H2‐receptor antagonist for Helicobacter pylori eradication by Graham, D. Y., Hammoud, F., El‐Zimaity, H. M. T., Kim, J. G., Osato, M. S., El‐Serag, H. B.

“…Summary Aim : To compare H2‐receptor antagonists and proton pump inhibitors as adjuvants to triple therapy for Helicobacter pylori eradication. Methods : H…”
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Folk yoghurt kills Helicobacter pylori by Oh, Y, Osato, M.S, Han, X, Bennett, G, Hong, W.K

“…Aims: To evaluate a traditional yoghurt used as folk medicine for its ability to kill Helicobacter pylori in vitro. Methods and Results: Micro-organisms from…”
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Molecular epidemiology of Helicobacter pylori: separation of H. pylori from East Asian and non-Asian countries by YAMAOKA, Y., OSATO, M. S., SEPULVEDA, A. R., GUTIERREZ, O., FIGURA, N., KIM, J. G., KODAMA, T., KASHIMA, K., GRAHAM, D. Y.

“…The predominant H. pylori strain circulating among geographic locations differs with regard to the genomic structure. This study determined whether structural…”
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Isolation and Characterization of Tetracycline-Resistant Clinical Isolates of Helicobacter pylori by KWON, Dong H, KIM, J. J, LEE, M, YAMAOKA, Y, KATO, M, OSATO, M. S, EL-ZAATARI, F. A. K, GRAHAM, David Y

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Metronidazole containing quadruple therapy for infection with metronidazole resistant Helicobacter pylori: a prospective study by Graham, D Y, Osato, M S, Hoffman, J, Opekun, A R, Anderson, S Y, Kwon, D H, El-Zimaity, H M

“…Background: Metronidazole remains a key component of H. pylori infection therapy. It has been suggested that despite resistance, metronidazole may be effective…”
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Furazolidone combination therapies for Helicobacter pylori infection in the United States by GRAHAM, D. Y, OSATO, M. S, HOFFMAN, J, OPEKUN, A. R, ANDERSON, S.-Y, EL-ZIMAITY, H. M. T

“…Background: Antibiotic resistance has begun to impair the ability to cure Helicobacter pylori infection. Aim: To evaluate furazolidone as a component of…”
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Furazolidone- and nitrofurantoin-resistant Helicobacter pylori: Prevalence and role of genes involved in metronidazole resistance by KWON, Dong H, MIAE LEE, KIM, J. J, KIM, J. G, EL-ZAATARI, F. A. K, OSATO, M. S, GRAHAM, D. Y

“…The prevalence of furazolidone, nitrofurantoin, and metronidazole resistance among Helicobacter pylori strains was assessed with 431 clinical isolates…”
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DNA sequence analysis of rdxA and frxA from 12 pairs of metronidazole-sensitive and -resistant clinical Helicobacter pylori isolates by KWON, D. H, HULTEN, K, KATO, M, KIM, J. J, LEE, M, EL-ZAATARI, F. A. K, OSATO, M. S, GRAHAM, D. Y

“…We previously reported that inactivation of rdxA and/or frxA converted Helicobacter pylori from metronidazole sensitive to metronidazole resistant. To examine…”
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Analysis of rdxA and Involvement of Additional Genes Encoding NAD(P)H Flavin Oxidoreductase (FrxA) and Ferredoxin-Like Protein (FdxB) in Metronidazole Resistance of Helicobacter pylori by KWON, D.-H, EL-ZAATARI, F. A. K, KATO, M, OSATO, M. S, REDDY, R, YAMAOKA, Y, GRAHAM, D. Y

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Point mutations in the 23S rRNA gene of Helicobacter pylori associated with different levels of clarithromycin resistance by VERSALOVIC, J, OSATO, M. S, SPAKOVSKY, K, DORE, M. P, REDDY, R, STONE, G. G, SHORTRIDGE, D, FLAMM, R. K, TANAKA, S. K, GRAHAM, D. Y

“…Fifty-four of 59 (91.5%) clarithromycin-resistant isolates of Helicobacter pylori from different patients possessed either the A2143G (formerly A2058G) or the…”
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Antimicrobial susceptibility testing for Helicobacter pylori: sensitivity test results and their clinical relevance by Osato, M S

“…There are multiple test methodologies to determine the antibiogram of an organism. Standardized susceptibility test methods are based upon rapidly growing,…”
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Regional Differences in Metronidazole Resistance and Increasing Clarithromycin Resistance among Helicobacter pylori Isolates from Japan by KATO, M, YAMAOKA, Y, KIM, J. J, REDDY, R, ASAKA, M, KASHIMA, K, OSATO, M. S, EL-ZAATARI, F. A. K, GRAHAM, D. Y, KWON, D. H

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Novel therapies for Helicobacter pylori infection by Opekun, A R, El-Zaimaity, H M, Osato, M S, Gilger, M A, Malaty, H M, Terry, M, Headon, D R, Graham, D Y

“…Background: Increasing antibiotic resistance has begun to impair our ability to cure Helicobacter pylori infection. Aim: To evaluate orally administered novel…”
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Citric acid‐enhanced Helicobacter pylori urease activity in vivo is unrelated to gastric emptying by Shiotani, A., Saeed, A., Yamaoka, Y., Osato, M. S., Klein, P. D., Graham, D. Y.

“…Background: In a previous study, the use of a citric acid test meal produced a rapid dose‐dependent increase in urease activity that was significantly greater…”
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Amoxycillin tolerance in Helicobacter pylori by DORE, M. P, OSATO, M. S, REALDI, G, MURA, I, GRAHAM, D. Y, SEPULVEDA, A. R

“…Resistance to amoxycillin in Helicobacter pylori has only recently been reported. To demonstrate the existence of resistance, and to test for the presence of…”
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Houseflies are an unlikely reservoir or vector for Helicobacter pylori by OSATO, M. S, AYUB, K, LE, H.-H, REDDY, R, GRAHAM, D. Y

“…The route of transmission of Helicobacter pylori from individual to individual remains undefined. It has recently been reported that the domestic housefly,…”
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Influence of endoscopic biopsy forceps characteristics on tissue specimens: results of a prospective randomized study by Woods, Karen L., Anand, Bhupinder S., Cole, Rhonda A., Osato, Michael S., Genta, Robert M., Malaty, Hoda, Gurer, Inanc E., De Rossi, Daniela

“…Background: A large variety of endoscopic biopsy forceps are commercially available. However, little is known regarding the influence of forceps…”
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Comparative efficacy of new investigational agents against Helicobacter pylori by Osato, M. S., Reddy, S. G., Piergies, A. A., Bochenek, W. J., Testa, R. T., Graham, D. Y.

“…Background: Emergence of antibiotic resistant Helicobacter pylori has necessitated the identification of alternate therapies for the treatment of this…”
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