Nasal Disease Clinical Trial
Official title:
Collection of Primary Human Nasal Epithelial Cells
Treatment and prevention of respiratory infections are of great interest in many medical areas. Create a physical device covered by primary human nasal cells could be very usefull in order to analyse delivery and efficiency of drugs. In this context the aim of this project is to create a collection of primary cells from the human nasal epithelium. This collection will be realised during programmed surgery, thanks to a specific device dedicated to collect nasal cells. Then the cells will be sent to the lab in order to grow at the air-liquid interface, which is an excellent 'ex vivo' model for their study.
The treatment and prevention of respiratory infections caused by emerging viruses or antibiotic-resistant bacteria are major societal and medical challenges. Inhalation allows drugs to be administered in the form of a spray or aerosol, directly into the respiratory tract (nose or lung). This is a validated approach for the non-invasive delivery of drugs to prevent and treat respiratory diseases, particularly infectious ones. Primary human nasal cell cultures grown at the air-liquid interface are an excellent 'ex vivo' model for their study in a physiological and pathophysiological context, and for testing new therapies, including aerosols. In addition, this culture model also offers an alternative to animal experimentation. The aim of this project is therefore to create a collection of primary cells from the human nasal epithelium. The main objective is to obtain a minimum of 60 samples of nasal epithelial cells from patients that can be cultured in air-liquid interface. The secondary objectives are to be able to study these nasal cells under physiological and pathophysiological conditions. The cells will first be amplified to constitute a cell biobank. They will then be studied under physiological conditions (anatomical and functional characterisation). Finally, they can be used to establish different models of infection or inflammation, in order to test future aerosol drugs. ;
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