Chariya Chomvarin

Summary

Affiliation: Khon Kaen
Country: Thailand

Publications

  1. ncbi request reprint Prevalence of Helicobacter pylori vacA, cagA, cagE, iceA and babA2 genotypes in Thai dyspeptic patients
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
    Int J Infect Dis 12:30-6. 2008
  2. pmc Helicobacter pylori cag pathogenicity island (cagPAI) involved in bacterial internalization and IL-8 induced responses via NOD1- and MyD88-dependent mechanisms in human biliary epithelial cells
    Wongwarut Boonyanugomol
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Liver Fluke and Cholangiocarcinoma Research Center, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    PLoS ONE 8:e77358. 2013
  3. ncbi request reprint Molecular analysis and antimicrobial resistance of Vibrio cholerae O1 in northeastern Thailand
    Chariya Chomvarin
    Department of Microbiology and Research, Srinagarind Hospital, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 43:1437-46. 2012
  4. ncbi request reprint Prevalence of cagA EPIYA motifs in Helicobacter pylori among dyspeptic patients in northeast Thailand
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 43:105-15. 2012
  5. ncbi request reprint Comparison of media and antibiotic supplements for isolation of Helicobacter pylori from gastric biopsies
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
    Southeast Asian J Trop Med Public Health 37:1163-9. 2006
  6. ncbi request reprint Association of ompU gene in Vibrio cholerae from patients and environment with bile resistance
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 39:876-81. 2008
  7. ncbi request reprint Application of duplex-PCR in rapid and reliable detection of toxigenic Vibrio cholerae in water samples in Thailand
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Thailand
    J Gen Appl Microbiol 53:229-37. 2007
  8. ncbi request reprint Enteropathogenic bacteria and enterotoxin-producing Staphylococcus aureus isolated from ready-to-eat foods in Khon Kaen, Thailand
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 37:983-90. 2006
  9. doi request reprint Seroreactivity to specific antigens of Helicobacter pylori infection is associated with an increased risk of the dyspeptic gastrointestinal diseases
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
    Int J Infect Dis 13:647-54. 2009
  10. ncbi request reprint Sensitivity and specificity of an in-house rapid urease test for detecting Helicobacter pylori infection on gastric biopsy
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 37:312-9. 2006

Collaborators

Detail Information

Publications29

  1. ncbi request reprint Prevalence of Helicobacter pylori vacA, cagA, cagE, iceA and babA2 genotypes in Thai dyspeptic patients
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
    Int J Infect Dis 12:30-6. 2008
    ....
  2. pmc Helicobacter pylori cag pathogenicity island (cagPAI) involved in bacterial internalization and IL-8 induced responses via NOD1- and MyD88-dependent mechanisms in human biliary epithelial cells
    Wongwarut Boonyanugomol
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Liver Fluke and Cholangiocarcinoma Research Center, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    PLoS ONE 8:e77358. 2013
    ..Taken together, the data demonstrate that the cagPAI is critical for H. pylori pathogenesis in bile duct cells, thus providing a potential causal link for H. pylori in biliary tract disease. ..
  3. ncbi request reprint Molecular analysis and antimicrobial resistance of Vibrio cholerae O1 in northeastern Thailand
    Chariya Chomvarin
    Department of Microbiology and Research, Srinagarind Hospital, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 43:1437-46. 2012
    ..Differences in antimicrobial resistance among V. cholerae strains with the same PFGE pattern reflect differences in the antimicrobial agents used in each area of northeastern Thailand...
  4. ncbi request reprint Prevalence of cagA EPIYA motifs in Helicobacter pylori among dyspeptic patients in northeast Thailand
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 43:105-15. 2012
    ..Thus, the most frequent cagA type found among northeastern Thai dyspeptic patients was the Western cagA type, which is significantly associated with PUD indicating a possible predictive parameter for clinical outcome...
  5. ncbi request reprint Comparison of media and antibiotic supplements for isolation of Helicobacter pylori from gastric biopsies
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
    Southeast Asian J Trop Med Public Health 37:1163-9. 2006
    ..pylori isolated from gastric biopsies. CBA, and the commercial antibiotic supplement SR147 provided higher detection rates for H. pylori than BHIA, and IHS but the differences were not statistically significant...
  6. ncbi request reprint Association of ompU gene in Vibrio cholerae from patients and environment with bile resistance
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 39:876-81. 2008
    ..Thus V cholerae non-O1 with ompU and possibly other virulence genes isolated from the environment have the potential of affecting public health...
  7. ncbi request reprint Application of duplex-PCR in rapid and reliable detection of toxigenic Vibrio cholerae in water samples in Thailand
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Thailand
    J Gen Appl Microbiol 53:229-37. 2007
    ..cholerae in the water sample was detected in duplex PCR. Pre-PCR filtration followed by enrichment for 3 h significantly increase in the efficiency of duplex-PCR detection of toxigenic V. cholerae...
  8. ncbi request reprint Enteropathogenic bacteria and enterotoxin-producing Staphylococcus aureus isolated from ready-to-eat foods in Khon Kaen, Thailand
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 37:983-90. 2006
    ....
  9. doi request reprint Seroreactivity to specific antigens of Helicobacter pylori infection is associated with an increased risk of the dyspeptic gastrointestinal diseases
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
    Int J Infect Dis 13:647-54. 2009
    ..We investigated the anti-H. pylori antibody profile in northeast Thai dyspeptic patients with gastrointestinal disease in order to identify any H. pylori antigens that may be associated with an increased risk of gastrointestinal disease...
  10. ncbi request reprint Sensitivity and specificity of an in-house rapid urease test for detecting Helicobacter pylori infection on gastric biopsy
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 37:312-9. 2006
    ..82). Our results indicate that the iRUT is a-sensitive, specific and cost effective test. It can be appropriately applied for detecting H. pylori infection in gastric biopsy specimens...
  11. ncbi request reprint Analysis of three phenotyping methods and pulsed-field gel electrophoresis for differentiation of methicillin resistant Staphylococcus aureus isolated from two hospitals in Thailand
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Thailand
    Southeast Asian J Trop Med Public Health 36:1221-8. 2005
    ..Antibiogram typing alone can be used as a useful epidemiological marker for practical purposes. PFGE types A and C were the common endemic MRSA clones in both hospitals in Thailand...
  12. ncbi request reprint Characterization of diarrheagenic Escherichia coli isolated from food in Khon Kaen, Thailand
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
    Southeast Asian J Trop Med Public Health 36:931-9. 2005
    ..coli. E. coli isolated from food may not be an enteropathogenic strain. We also found that E. coli antimicrobial resistant strains are widespread in both food and humans...
  13. ncbi request reprint Detection of H. pylori in dyspeptic patients and correlation with clinical outcomes
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 36:917-22. 2005
    ..pylori than NUD patients (p<0.05). Our study indicates that the RUT method was highly sensitive, specific and appropriate for routine clinical use...
  14. ncbi request reprint Evaluation of polymerase chain reaction, conventional and MRSA screen latex agglutination methods for detection of methicillin-resistant, -borderline and -susceptible Staphylococcus aureus
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Thailand
    Southeast Asian J Trop Med Public Health 35:879-85. 2004
    ..MIC method was better for BRSA detection and OSS method was more appropriate for screening clinical specimens and carriers...
  15. pmc Molecular analysis of Helicobacter pylori virulent-associated genes in hepatobiliary patients
    Wongwarut Boonyanugomol
    Department of Microbiology, Khon Kaen University, Khon Kaen, Thailand
    HPB (Oxford) 14:754-63. 2012
    ..The aim of this study was to investigate these genes and the association of those and the clinical outcomes in hepatobiliary diseases...
  16. pmc Drug response and genetic properties of Vibrio cholerae associated with endemic cholera in north-eastern Thailand, 2003-2011
    Chariya Chomvarin
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    J Med Microbiol 62:599-609. 2013
    ..cholerae indigenous to Khon Kaen...
  17. ncbi request reprint Effects of Helicobacter pylori γ-glutamyltranspeptidase on apoptosis and inflammation in human biliary cells
    Wongwarut Boonyanugomol
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
    Dig Dis Sci 57:2615-24. 2012
    ..Here, we determined the effects of H. pylori γ-glutamyltranspeptidase (GGT) on the induction of apoptosis and IL-8 production in a human cholangiocarcinoma cell line (KKU-100 cells)...
  18. ncbi request reprint PCR-RFLP and antimicrobial susceptibility profiles of Helicobacter pylori isolated from antrum and corpus of dyspeptic patients in Thailand
    Panthong Kulsantiwong
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 43:933-42. 2012
    ..pylori isolates displayed identical AS profile and PCR-RFLP patterns suggesting that most patients were infected with a single strain. Some patients could have been infected with single strains that were different in the AS profiles...
  19. ncbi request reprint Enzyme-linked immunosorbent assay for serodiagnosis of Helicobacter pylori in dyspeptic patients and volunteer blood donors
    Wutichai Deankanob
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 37:958-65. 2006
    ..3%, PPV of 74.7%, NPV of 93.5% and accuracy of 83.2%. The overall H. pylori seroprevalence in the healthy blood donors was 57%. Of the 100 healthy blood donors, 39 (60.9%) of the males and 18 (50.0%) of the females were seropositive...
  20. ncbi request reprint Evaluation of different primers for detecting mecA gene by PCR in comparison with phenotypic methods for discrimination of methicillin-resistant Staphylococcus aureus
    Taweeporn Siripornmongcolchai
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 33:758-63. 2002
    ..There was a good correlation among the mecA gene detection, ODD and OSS methods. The discrepancy of three isolates between PCR and phenotypic methods should be clarified for other resistant mechanisms...
  21. ncbi request reprint Antimicrobial susceptibility of Helicobacter pylori isolated from gastric biopsies in dyspeptic patients
    Panthong Kulsuntiwong
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 39:1102-9. 2008
    ..3% (22/59) and 36.7% (22/60), respectively. Most of the H. pylori specimens isolated from the antrum and corpus in individual patients were identical (87.7%)...
  22. ncbi request reprint Multiplex PCR for detection of superantigenic toxin genes in methicillin-sensitive and methicillin-resistant Staphylococcus aureus isolated from patients and carriers of a hospital in northeast Thailand
    Warawan Wongboot
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 44:660-71. 2013
    ..The multiplex PCR method described here offers a reliable tool for simultaneous detection of various staphylococcal toxin genes...
  23. ncbi request reprint Nested polymerase chain reaction for detection of Helicobacter pylori in gastric biopsy specimens
    Orawan Ottiwet
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 41:1423-31. 2010
    ..pylori was detected by PCR and nested PCR at levels as low as 125 fg (70 cells) and 25 fg (14 cells), respectively. These results suggest nested PCR is a highly sensitive direct method to detect H. pylori infection from biopsy specimens...
  24. pmc Helicobacter pylori in Thai patients with cholangiocarcinoma and its association with biliary inflammation and proliferation
    Wongwarut Boonyanugomol
    Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    HPB (Oxford) 14:177-84. 2012
    ..To investigate whether Helicobacter spp. infection and the cagA of H. pylori are associated with hepatobiliary pathology, specifically biliary inflammation, cell proliferation and cholangiocarcinoma (CCA)...
  25. ncbi request reprint Duplex PCR for detection of Salmonella and Shigella spp in cockle samples
    Pachara Senachai
    Department of Microbiology and Research and Diagnostic Center for Emerging Infectious Diseases, Faculty of Medicine, Khon Kaen University, Khon Kaen
    Southeast Asian J Trop Med Public Health 44:866-74. 2013
    ..The duplex PCR technique developed for simultaneous detection of Salmonella and Shigella spp in cockle samples was highly sensitive, specific and rapid and could serve as a suitable method for food safety assessment...
  26. ncbi request reprint Application of tetraplex PCR for detection of Vibrio cholerae, V. parahaemolyticus, V. vulnificus and V. mimicus in cockle
    Pachara Senachai
    Department of Microbiology and Research and Diagnostic Center for Emerging Infectious Diseases, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 44:249-58. 2013
    ..This developed tetraplex PCR method should be suitable for simultaneous and rapid detection of Vibrio species in food samples and for food safety assessment...
  27. ncbi request reprint Epidemiology of antimicrobial resistance in Salmonella isolated from pork, chicken meat and humans in Thailand
    Sunpetch Angkititrakul
    Department of Veterinary Public Health, Faculty of Veterinary Medicine, Khon Kaen University, Thailand
    Southeast Asian J Trop Med Public Health 36:1510-5. 2005
    ..05 for each antimicrobial agent). Our results indicate that antimicrobial resistant Salmonella strains were widely spread among pork and chicken meat, and in humans...
  28. doi request reprint Role of cagA-positive Helicobacter pylori on cell proliferation, apoptosis, and inflammation in biliary cells
    Wongwarut Boonyanugomol
    Department of Microbiology, and Liver Fluke and Cholangiocarcinoma Research Center, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
    Dig Dis Sci 56:1682-92. 2011
    ..We compared the effects of H. pylori cagA(+) and cagA(-) mutant strains on cell proliferation, apoptosis, and inflammation in a cholangiocarcinoma (CCA) cell line (KKU-100)...
  29. ncbi request reprint Salmonellosis and the food chain in Khon Kaen, northeastern Thailand
    Kriangsak Vaeteewootacharn
    Offices of Diseases Prevention and Control 6, Khon Kaen, Thailand
    Southeast Asian J Trop Med Public Health 36:123-9. 2005
    ..Vulnerable groups, such as infants, the elderly and the immuno-compromised, should be made aware of their increased susceptibility to food-borne disease...