Journal
AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE
Volume 87, Issue 4, Pages 689-693Publisher
AMER SOC TROP MED & HYGIENE
DOI: 10.4269/ajtmh.2012.11-0716
Keywords
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Funding
- National Natural Science Foundation of China [30800960]
- National Basic Research Program of China (973 Program) [2011CB933103]
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Most schistosome-endemic areas in China are characterized by low-intensity infections that are independent of prevalence. To establish an effective diagnostic method, we developed a magnetic affinity enzyme-linked immunoassay based on soluble egg antigens (SEA-MEIA) for diagnosing schistosomiasis in persons with low-intensity infection with Schistosoma japonicum by comparing it with a conventional enzyme-linked immunosorbent assay (ELISA). Our results showed that the SEA-MEIA had a higher sensitivity and greater precision in the diagnosis of low-intensity S. japonicum infections than the ELISA. In addition, when we used Pearson's correlation in associating SEA-MEIA with ELISA, a significant correlation existed between the two assays (r = 0.845, P < 0.001). Our data indicated that SEA-MEIA, with a higher sensitivity and greater ease of performance, would be valuable for diagnosis of schistosomiasis japonicum in persons with low-intensity infections.
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