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Adenovirus Infection and Specific Secretory IgA Responses in the Intestine of Infants
Author(s) -
Nishio Osamu,
Sakae Kenji,
Ishihara Yuichi,
Isomura Shin,
Inouye Sakae
Publication year - 1992
Publication title -
microbiology and immunology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.664
H-Index - 70
eISSN - 1348-0421
pISSN - 0385-5600
DOI - 10.1111/j.1348-0421.1992.tb02062.x
Subject(s) - biology , secretory iga , immunology , immunoglobulin a , microbiology and biotechnology , virology , immune system , immunoglobulin g
We investigated adenovirus (Ad) infection of the intestine and Ad group‐specific fecal IgA antibody responses in seven infants who were followed up from birth to 16 months to seven years of age. We isolated in tissue culture from fecal samples not only enteric Ad type 41 but also other Ads (types 2, 3, 5, 6, and 12). We also detected Ad antigens in the feces by ELISA at the times of infection with even non‐enteric Ads, suggesting that a large amount of antigens were produced in the intestine. We found that repeated Ad infections with different serotypes were occurring and there were good fecal IgA antibody responses at each time. The infection seemed usually mild or asymptomatic: only one out of 23 occasions of the detected infections required hospitalization.