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Original Article

Effect of bilirubin on the fungicidal capacity of human neutrophils

, &
Pages 125-129 | Published online: 09 Jul 2009
 

Abstract

The effect of unconjugated bilirubin on the fungicidal capacity of human neutrophils was examined. Per cent Torulopsis glabrata killed in the presence of 1 × 10-5 and 5 × 10-5 M bilirubin was 72·7 ± 2·5 and 40·9 ± 7·2 respectively, compared to 81·4 ± 4·1 in control (p<0·01 and p<0·001, respectively). This effect was not due to a concomitant inhibition of phagocytosis. The results suggest that jaundiced neonates may be more susceptible to fungal infections.

Résumé

Nous avons étudié l'effet de la bilirubine non combinée, sur la fonction fongicide des polynucléaires. A des valeurs de bilirubine de 1 × 10-5 M ou 5 × 10-5M, la destruction de Torulopsis glabrata était 72,7±2,5 et 40,9±7,2 (p 0,01 ou p 0,001), c.f. 81,4 ± 4,1 normalement.

En même temps les polynucléaires étaient capables de phagocyter des particules de champignon. Ainsi ou peut penser que l'invasion fongique est peut-être plus facile chez le nouveau-né ictérique.

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