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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/14855

Title: THE UTILITY OF DIRECT AGGLUTINATION (DAT) AND
Authors: IMAN F. ABOU EL NAGA
MAHA R. GAAFAR
DOM EL-SAID
Keywords: Microsporidia, C
cyatenensis, C.
parvum, DAT & FAST
Issue Date: 2008
Publisher: J. Egypt. Soc. Parasitol
Abstract: the present study was designed to evaluate the efficiency of two serodiagnostic tests; the direct agglutination test (DAT) and the fast agglutination screening test (FAST) in the diagnosis of Microsporidia in experimentally infected mice and to differentiate between different species of the parasite. Swiss albino mice were divided into non infected control and infected experimental groups which were further subdivided into ten subgroups. Ten samples of microsporidial spores were isolated from ten human stools and each one was used to infect each subgroup of mice. Stool and sera were collected weekly from each subgroup from the 1st to the 4th week post infection (PI). DAT & FAST tests, using antigen prepared from different species of microsporidial spores were used to detect antibodies in sera of different mice subgroups. The cross reactivity of microsporidial spores with antibodies of Cyclospora cyatenensis and Cryptosporidium parvum was investigated by DAT & FAST. The results proved that DAT & FAST were effective in detecting microsporidial antibodies in sera of experimentally infected mice from the 2nd week PI till the end of the study, without cross reactivity with C. cyatenensis or C. parvum. They failed to differentiate between different Microspoiridia species used but, they gave good interpretation and they were specific and sensitive, and did not need sophisticated equipments.
URI: http://hdl.handle.net/123456789/14855
Appears in Collections:College of Applied Medical Sciences

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