The pattern recognition molecule collectin-L1 in critically ill children.
Pediatr Res
; 80(2): 237-43, 2016 08.
Article
em En
| MEDLINE
| ID: mdl-27057739
ABSTRACT
BACKGROUND:
Critically ill children are prone to nosocomial infections, which may lead to adverse outcome. Low serum concentrations upon admission to the pediatric intensive care unit (PICU) of the mannan-binding lectin (MBL)-associated serine protease (MASP)-3 protein of the lectin pathway of complement activation have been associated with risk of infection and prolonged need for intensive care. We hypothesized that also a low upon-admission concentration of collectin-L1 (CL-L1), a novel member of this pathway, is independently associated with these adverse outcomes.METHODS:
We quantified the serum concentrations of CL-L1 in 81 healthy children and in 700 critically ill children upon PICU admission.RESULTS:
CL-L1 concentrations were significantly lower in the critically ill children as compared with the healthy children. However, corrected for baseline characteristics, risk factors and several lectin pathway proteins, a higher CL-L1 concentration upon PICU admission was independently associated with an increased risk of acquiring a new infection and with a prolonged time to PICU discharge. In contrast, a low MASP-3 concentration remained independently associated with these adverse outcomes.CONCLUSION:
A high serum CL-L1 concentration in critically ill children upon PICU admission is associated with an increased risk of infection and prolonged need of intensive care, and counteracts the protective effect of having a high MASP-3 concentration.
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Base de dados:
MEDLINE
Assunto principal:
Colectinas
Idioma:
En
Ano de publicação:
2016
Tipo de documento:
Article