{"title":"市售酶联免疫吸附试验(ELISA)、自制酶联免疫吸附试验(ELISA)和试管凝集试验在兔吸虫病血清诊断中的应用比较。","authors":"Waldemar Rastawicki, Natalia Wolaniuk","doi":"","DOIUrl":null,"url":null,"abstract":"<p><strong>Introduction: </strong>Tularemia is a highly infectious zoonotic disease caused by Gram-negative bacterium Francisella tularensis. The microbiological diagnosis of tularemia is based on bacteriological, molecular and serological investigations. In the present study we compared of usefulness of commercial ELISA Virion/Serion, home-made ELISA and tube agglutination test in serodiagnosis of tularemia.</p><p><strong>Methods: </strong>Serum samples from 57 patients with clinical symptoms of tularemia, 13 patients with yersiniosis and 20 blood donors were tested. The cut-off limit of IgA, IgG and IgM serum antibodies in home-made ELISA was set at mean antibody titer determined in sera of healthy blood donors exceeded by the three standard deviations. The cut-off for positivity in tube agglutination test was titers 25. The IgG and IgM antibodies to lipopolysaccharides of F. tularensis in Virion/Serion ELISA were measured and results interpreted according to the instructions by the manufacturer.</p><p><strong>Results: </strong>The results of the study showed that 39 (68.4%) serum samples obtained from the patients suspected for tularemia were positive by tube agglutination test and Virion/Serion ELISA assay for IgG and IgM antibodies. Home-made ELISA was slightly more sensitive and detected the IgA/IgG antibodies in 42 (73.7%) and IgM antibodies in 39 (68.4%) of serum samples. The positive reactions were not detected by the tube agglutination test and home-made ELISA in serum samples from patients with yersiniosis and blood donors. The Virion/Serion ELISA detected IgG antibodies in diagnostically significant level only in one blood donor.</p><p><strong>Conclusions: </strong>In conclusion, all three serological tests can be successfully used in routine serodiagnosis of tularemia.</p>","PeriodicalId":18521,"journal":{"name":"Medycyna doswiadczalna i mikrobiologia","volume":"65 4","pages":"255-61"},"PeriodicalIF":0.0000,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"[Comparison of usefulness of commercial ELISA Virion/Serion, homemade ELISA and tube agglutination test in serodiagnosis of tularemia].\",\"authors\":\"Waldemar Rastawicki, Natalia Wolaniuk\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Introduction: </strong>Tularemia is a highly infectious zoonotic disease caused by Gram-negative bacterium Francisella tularensis. The microbiological diagnosis of tularemia is based on bacteriological, molecular and serological investigations. In the present study we compared of usefulness of commercial ELISA Virion/Serion, home-made ELISA and tube agglutination test in serodiagnosis of tularemia.</p><p><strong>Methods: </strong>Serum samples from 57 patients with clinical symptoms of tularemia, 13 patients with yersiniosis and 20 blood donors were tested. The cut-off limit of IgA, IgG and IgM serum antibodies in home-made ELISA was set at mean antibody titer determined in sera of healthy blood donors exceeded by the three standard deviations. The cut-off for positivity in tube agglutination test was titers 25. The IgG and IgM antibodies to lipopolysaccharides of F. tularensis in Virion/Serion ELISA were measured and results interpreted according to the instructions by the manufacturer.</p><p><strong>Results: </strong>The results of the study showed that 39 (68.4%) serum samples obtained from the patients suspected for tularemia were positive by tube agglutination test and Virion/Serion ELISA assay for IgG and IgM antibodies. Home-made ELISA was slightly more sensitive and detected the IgA/IgG antibodies in 42 (73.7%) and IgM antibodies in 39 (68.4%) of serum samples. The positive reactions were not detected by the tube agglutination test and home-made ELISA in serum samples from patients with yersiniosis and blood donors. The Virion/Serion ELISA detected IgG antibodies in diagnostically significant level only in one blood donor.</p><p><strong>Conclusions: </strong>In conclusion, all three serological tests can be successfully used in routine serodiagnosis of tularemia.</p>\",\"PeriodicalId\":18521,\"journal\":{\"name\":\"Medycyna doswiadczalna i mikrobiologia\",\"volume\":\"65 4\",\"pages\":\"255-61\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2013-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Medycyna doswiadczalna i mikrobiologia\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Medycyna doswiadczalna i mikrobiologia","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
[Comparison of usefulness of commercial ELISA Virion/Serion, homemade ELISA and tube agglutination test in serodiagnosis of tularemia].
Introduction: Tularemia is a highly infectious zoonotic disease caused by Gram-negative bacterium Francisella tularensis. The microbiological diagnosis of tularemia is based on bacteriological, molecular and serological investigations. In the present study we compared of usefulness of commercial ELISA Virion/Serion, home-made ELISA and tube agglutination test in serodiagnosis of tularemia.
Methods: Serum samples from 57 patients with clinical symptoms of tularemia, 13 patients with yersiniosis and 20 blood donors were tested. The cut-off limit of IgA, IgG and IgM serum antibodies in home-made ELISA was set at mean antibody titer determined in sera of healthy blood donors exceeded by the three standard deviations. The cut-off for positivity in tube agglutination test was titers 25. The IgG and IgM antibodies to lipopolysaccharides of F. tularensis in Virion/Serion ELISA were measured and results interpreted according to the instructions by the manufacturer.
Results: The results of the study showed that 39 (68.4%) serum samples obtained from the patients suspected for tularemia were positive by tube agglutination test and Virion/Serion ELISA assay for IgG and IgM antibodies. Home-made ELISA was slightly more sensitive and detected the IgA/IgG antibodies in 42 (73.7%) and IgM antibodies in 39 (68.4%) of serum samples. The positive reactions were not detected by the tube agglutination test and home-made ELISA in serum samples from patients with yersiniosis and blood donors. The Virion/Serion ELISA detected IgG antibodies in diagnostically significant level only in one blood donor.
Conclusions: In conclusion, all three serological tests can be successfully used in routine serodiagnosis of tularemia.
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