eISSN: 1644-4124
ISSN: 1426-3912
Central European Journal of Immunology
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2/2014
vol. 39
 
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abstract:

Clinical immunology
Invasive candidiasis serological diagnosis in solid organ transplant recipients

Katarzyna Piskorska
,
Magdalena Sikora
,
Marlena Gołaś
,
Maria Dąbkowska
,
Leszek Pączek
,
Ewa Swoboda-Kopeć

(Centr Eur J Immunol 2014; 39 (2): 187–192)
Online publish date: 2014/06/27
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Solid organ transplant recipients are at high risk of fungal infections, because of ongoing immunosuppressive treatment. There are three post organ transplant phases: early, intermediate, and late, all of them at risk of Candida infections. Since conventional tests are insufficient, specific secondary diagnostic tests are still being explored. Serological tests are currently the most common choice. The present study was to determine the usefulness of mannan antigen and anti-mannan antibody detection in diagnosing invasive candidiasis in liver or kidney transplant recipients. The levels of mannan and anti-mannan antibodies were assessed with Platelia Candida Ag Plus, and Platelia Candida Ab Plus (Biorad, Marne-la-Coquette, France) commercial tests, according to manufacturer’s guidelines. Sixty six serum samples were obtained from 25 patients (9 liver transplant recipients, 7 kidney transplant recipients, and 9 patients prepared for a kidney transplant), 29 serum samples from 15 patients tested positive for mannan antigen. Serum samples were obtained from 14 patients tested positive for anti-mannan antibodies. Fungal antigen detection in blood serum in patients under immunosuppression, especially with neutropenia, suggests that antifungal treatment should be administered. Serological tests, especially mannan and anti-mannan ones, are very useful for confirmation or exclusion of invasive candidiasis in high-risk patients.
keywords:

antigen, antibody, serological tests

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