Cystic Fibrosis Clinical Trial
Official title:
MucoSWEATomics New Markers of CFTR Function in Sweat: Value for Diagnosis and Efficacy of Target Therapies
The aim of the study is to identify new biomarkers of CFTR function in sweat and in sweat gland.
Sweat is a watery solution containing trace amounts of proteins and peptides that may contribute to the antimicrobial defense system of the skin barrier, playing a role in innate immune responses against potential pathogens. The peptide and metabolite composition of sweat has not been fully explored. Evidence suggests that the composition of the skin barrier could vary with diseases. The causes and consequences of the changes of sweat proteins and peptides in humans are unknown. This clinical trial will focus on multiomics analysis of sweat, mainly of the antimicrobial peptides that play a key role in the host-pathogen interaction. Antioxidants, anti-bacterial and anti-inflammatory compounds may contribute to the regulation of systemic inflammation and pathophysiological disorders. In cystic fibrosis, inflammatory responses are altered, exaggerated and persistent, even in the absence of infection. It is therefore relevant to study the influence of CFTR mutations on the profile of antimicrobial peptides expressed in sweat. The clinical study will potentially lead to the discovery of novel non-invasive biomarkers of the disease in sweat. ;
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