{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,12]],"date-time":"2026-09-12T04:28:32Z","timestamp":1789187312222,"version":"build-2803163510"},"reference-count":49,"publisher":"American Society for Microbiology","issue":"4","license":[{"start":{"date-parts":[[2011,4,1]],"date-time":"2011-04-01T00:00:00Z","timestamp":1301616000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Clin Microbiol"],"published-print":{"date-parts":[[2011,4]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            <jats:named-content content-type=\"genus-species\">Trypanosoma brucei gambiense<\/jats:named-content>\n            group 1 is the major causative agent of the Gambian human African trypanosomiasis (HAT). Accurate diagnosis of Gambian HAT is still challenged by lack of precise diagnostic methods, low and fluctuating parasitemia, and generally poor services in the areas of endemicity. In this study, we designed a rapid loop-mediated isothermal amplification (LAMP) test for\n            <jats:named-content content-type=\"genus-species\">T. b. gambiense<\/jats:named-content>\n            based on the 3\u2032 end of the\n            <jats:named-content content-type=\"genus-species\">T. b. gambiense<\/jats:named-content>\n            -specific glycoprotein (TgsGP) gene. The test is specific and amplifies DNA from\n            <jats:named-content content-type=\"genus-species\">T. b. gambiense<\/jats:named-content>\n            isolates and clinical samples at 62\u00b0C within 40 min using a normal water bath. The analytical sensitivity of the TgsGP LAMP was equivalent to 10 trypanosomes\/ml using purified DNA and \u223c1 trypanosome\/ml using supernatant prepared from boiled blood, while those of classical PCR tests ranged from 10 to 10\n            <jats:sup>3<\/jats:sup>\n            trypanosomes\/ml. There was 100% agreement in the detection of the LAMP product by real-time gel electrophoresis and the DNA-intercalating dye SYBR green I. The LAMP amplicons were unequivocally confirmed through sequencing and analysis of melting curves. The assay was able to amplify parasite DNA from native cerebrospinal fluid (CSF) and double-centrifuged supernatant prepared from boiled buffy coat and bone marrow aspirate. The robustness, superior sensitivity, and ability to inspect results visually through color change indicate the potential of TgsGP LAMP as a future point-of-care test.\n          <\/jats:p>","DOI":"10.1128\/jcm.01817-10","type":"journal-article","created":{"date-parts":[[2011,2,10]],"date-time":"2011-02-10T03:11:32Z","timestamp":1297307492000},"page":"1530-1536","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":35,"title":["Detection of Group 1 Trypanosoma brucei gambiense by Loop-Mediated Isothermal Amplification"],"prefix":"10.1128","volume":"49","author":[{"given":"Z. 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