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Evolution of lung damage is highly variable in cystic fibrosis (CF) even in patients with the same cystic fibrosis transmembrane conductance regulator (CFTR) mutations. The analysis of genetic factors other than CFTR may help our understanding of genotype-phenotype relationships in CF. As human leukocyte antigen (HLA) class II polymorphism has been(More)
OBJECTIVES Abnormal airway ion transport is a feature of cystic fibrosis. The aim of this study was to investigate whether distinct components of ion transport are associated with the clinical expression and severity of the disease. DESIGN AND METHODS Univariate and multivariate analyses were used to study interaction effects between nasal potential(More)
Epidemiologic analyses, traditionally based on long-term cohort or case-control studies, provide retrospective causal associations between exposure to a particular environmental stressor and an exposure-related disease end point. Recent research initiatives have propelled a shift toward exploring molecular epidemiology and molecular biological markers(More)
The heat shock/stress proteins (HSP), and, in particular, the inducible, cytosolic Hsp70, represent an extremely conserved response to many different cellular injuries, including reactive oxygen species (ROS). Hsp70 has been shown to confer to cells and tissues protection against the deleterious effects of ROS or cytokines, both in vitro and in animal(More)
Mouth pressure measured during maximal inspiratory or expiratory efforts depends on the force exerted by ventilatory muscles. Normal values and anthropometric factors accounting for maximal inspiratory and expiratory pressures (MIP, MEP) are not fully agreed upon to date. We measured MIP and MEP in 253 normal subjects (135 females and 118 males, age 15-59(More)
OBJECTIVE A semi-continuous thermodilution method (CCO) was recently developed to measure cardiac output with less risk of bacterial contamination, fluid overload, and user-induced errors than the classical bolus technique (BCO). Previous comparison between these two methods showed negligible bias. However, large limits of agreement suggest that the two(More)