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10.7150/ijms.18996 http://scihub22266oqcxt.onion/10.7150/ijms.18996 C5479129!5479129!28638276     free     free     free Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Int+J+Med+Sci 2017 ; 14 (6): 595-601 Nephropedia Template TP {{tp|p=28638276|t=2017. Gastric Juice-Based Real-Time PCR for Tailored Helicobacter Pylori Treatment: A Practical Approach |pdf=|usr=}}{{28638276}} gab.com Text Gastric Juice-Based Real-Time PCR for Tailored Helicobacter Pylori Treatment: A Practical Approach JO: Int J Med Sci http://www.kidney.de/pget.php?&tw=1&pmid=28638276 #FOAvip A gastric juice-based real-time polymerase chain reaction (PCR) assay was established to identify Helicobacter pylori infection, clarithromycin susceptibility and human CYP2C19 genotypes and to guide the choice of proton pump inhibitor (PPI), clarithromycin and amoxicillin treatment for tailored H. pylori eradication therapy. From January 2013 to November 2014, 178 consecutive dyspeptic patients were enrolled for collection of gastric biopsy samples and gastric juice by endoscopy at the Peking University Third Hospital; 105 and 73 H. pylori-positive and -negative patients, respectively, were included in this study. H. pylori infection was defined as samples with both a strongly positive rapid urease test (RUT) and positive H. pylori histology. A series of primers and probes were distributed into four reactions for identifying the H. pylori cagH gene coupled with an internal control (Rnase P gene), A2142G and A2143G mutants of the H. pylori 23S rRNA gene, and single-nucleotide polymorphisms (SNPs) G681A of CYP2C19*2 and G636A of CYP2C19*3. The E-test and DNA sequencing were used to evaluate the H. pylori clarithromycin susceptibility phenotype and genotype. The SNPs CYP2C19*2 and CYP2C19*3 were also evaluated by nucleotide sequencing. The sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of this gastric juice-based real-time PCR assay were evaluated by comparing with the same measures obtained through gastric biopsy-based PCR and culture. The H. pylori diagnostic sensitivities of the culture, PCR, and gastric biopsy- and gastric juice-based real-time PCR assays were 90.48% (95/105), 92.38% (97/105), 97.14% (102/105) and 100% (105/105), respectively; the specificities of the above methods were all 100%. Higher false-negative rates were found among the gastric biopsy samples assessed by culture (10.48%, 11/105), PCR (7.62%, 8/105) and real-time PCR (2.86%, 3/105) than in gastric juice by real-time PCR. Regarding clarithromycin susceptibility, a concordance of 82.98% (78/94) and discordance of 17.02% (16/94) were observed among the different methods, discrepancies that mainly represent differences between the H. pylori clarithromycin susceptibility phenotype and genotype. Three coinfections of susceptible and resistant strains were detected, with resistant-to-susceptible ratios of 1.16, 3.44, and 8.26. The CYP2C19 genotyping results from gastric juice by real-time PCR were completely in accordance with those obtained from biopsy samples by conventional PCR. This gastric juice-based real-time PCR assay is a more accurate method for detecting H. pylori infection, clarithromycin susceptibility and CYP2C19 polymorphisms. The method may be employed to inform the choice of proton pump inhibitor (PPI), clarithromycin and amoxicillin treatment for tailored H. pylori eradication therapy. Twit Text FOAVip Gastric Juice-Based Real-Time PCR for Tailored Helicobacter Pylori Treatment: A Practical Approach ????Int J Med Sci http://www.kidney.de/pget.php?&tw=1&pmid=28638276 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=28638276 #FOAvip English Wikipedia <ref>{{Cite pmid|28638276}}</ref> Gastric Juice-Based Real-Time PCR for Tailored Helicobacter Pylori Treatment: A Practical Approach #MMPMID28638276 Peng X; Song Z; He L; Lin S; Gong Y; Sun L; Zhao F; Gu Y; You Y; Zhou L; Zhang J Int J Med Sci 2017[]; 14 (6): 595-601 PMID28638276show ga A gastric juice-based real-time polymerase chain reaction (PCR) assay was established to identify Helicobacter pylori infection, clarithromycin susceptibility and human CYP2C19 genotypes and to guide the choice of proton pump inhibitor (PPI), clarithromycin and amoxicillin treatment for tailored H. pylori eradication therapy. From January 2013 to November 2014, 178 consecutive dyspeptic patients were enrolled for collection of gastric biopsy samples and gastric juice by endoscopy at the Peking University Third Hospital; 105 and 73 H. pylori-positive and -negative patients, respectively, were included in this study. H. pylori infection was defined as samples with both a strongly positive rapid urease test (RUT) and positive H. pylori histology. A series of primers and probes were distributed into four reactions for identifying the H. pylori cagH gene coupled with an internal control (Rnase P gene), A2142G and A2143G mutants of the H. pylori 23S rRNA gene, and single-nucleotide polymorphisms (SNPs) G681A of CYP2C19*2 and G636A of CYP2C19*3. The E-test and DNA sequencing were used to evaluate the H. pylori clarithromycin susceptibility phenotype and genotype. The SNPs CYP2C19*2 and CYP2C19*3 were also evaluated by nucleotide sequencing. The sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of this gastric juice-based real-time PCR assay were evaluated by comparing with the same measures obtained through gastric biopsy-based PCR and culture. The H. pylori diagnostic sensitivities of the culture, PCR, and gastric biopsy- and gastric juice-based real-time PCR assays were 90.48% (95/105), 92.38% (97/105), 97.14% (102/105) and 100% (105/105), respectively; the specificities of the above methods were all 100%. Higher false-negative rates were found among the gastric biopsy samples assessed by culture (10.48%, 11/105), PCR (7.62%, 8/105) and real-time PCR (2.86%, 3/105) than in gastric juice by real-time PCR. Regarding clarithromycin susceptibility, a concordance of 82.98% (78/94) and discordance of 17.02% (16/94) were observed among the different methods, discrepancies that mainly represent differences between the H. pylori clarithromycin susceptibility phenotype and genotype. Three coinfections of susceptible and resistant strains were detected, with resistant-to-susceptible ratios of 1.16, 3.44, and 8.26. The CYP2C19 genotyping results from gastric juice by real-time PCR were completely in accordance with those obtained from biopsy samples by conventional PCR. This gastric juice-based real-time PCR assay is a more accurate method for detecting H. pylori infection, clarithromycin susceptibility and CYP2C19 polymorphisms. The method may be employed to inform the choice of proton pump inhibitor (PPI), clarithromycin and amoxicillin treatment for tailored H. pylori eradication therapy. äGastric Juice-Based Real-Time PCR for Tailored Helicobacter Pylori Tre(epmc).pdf DeepDyve Pubget Overpricing