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Can J Microbiol. 2001 May;47(5):464-6.

IgA and IgM anti-Naegleria fowleri antibodies in human serum and saliva.

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  • 1Project of Conservation and Improvement of Environment, ENEP-Iztacala, UNAM, Tlalnepantla Edo de Mexico, Mexico. vmrivera@campus.iztacala.unam.mx

Abstract

Antibodies from IgA and IgM classes that recognize Naegleria fowleri (Nf) proteins were detected by the ELISA assay in serum and saliva from three groups of people: (i) subjects with upper respiratory tract infections (URTI) living in the parasite-endemic area, (ii) healthy persons from the same area, and (iii) healthy persons from a parasite-nonendemic area. In serum and in saliva the titers of IgA antibodies to Naegleria fowleri in the group of patients with URTI was significantly higher than that of the healthy group in the parasite-endemic area; also the titers of IgM antibodies in serum were significantly higher in patients. On the contrary, in saliva the antibodies were higher in healthy people from the parasite-endemic area. In all cases the subjects from the parasite-nonendemic area had lower antibody titers in serum and saliva.

PMID:
11400739
[PubMed - indexed for MEDLINE]
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