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Université de Fribourg

Interaction of biomedical nanoparticles with the pulmonary immune system

Blank, Fabian ; Fytianos, Kleanthis ; Seydoux, Emilie ; Rodriguez-Lorenzo, Laura ; Petri-Fink, Alke ; Garnier, Christophe von ; Rothen-Rutishauser, Barbara

In: Journal of Nanobiotechnology, 2017, vol. 15, p. 6

Engineered nanoparticles (NPs) offer site-specific delivery, deposition and cellular uptake due to their unique physicochemical properties and were shown to modulate immune responses. The respiratory tract with its vast surface area is an attractive target organ for innovative immunomodulatory therapeutic applications by pulmonary administration of such NPs, enabling interactions with...

Université de Fribourg

Size-dependent accumulation of particles in lysosomes modulates dendritic cell function through impaired antigen degradation

Seydoux, Emilie ; Rothen-Rutishauser, Barbara ; Nita, Izabela M ; Balog, Sandor ; Gazdhar, Amiq ; Stumbles, Philip A ; Petri-Fink, Alke ; Blank, Fabian ; Garnier, Christophe von

In: International Journal of Nanomedicine, 2014, p. 3885

Introduction: Nanosized particles may enable therapeutic modulation of immune responses by targeting dendritic cell (DC) networks in accessible organs such as the lung. To date, however, the effects of nanoparticles on DC function and downstream immune responses remain poorly understood. Methods: Bone marrow–derived DCs (BMDCs) were exposed in vitro to 20 or...