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Université de Fribourg

Polymer-coated gold nanospheres do not impair the innate immune function of human b lymphocytes in vitro

Hočevar, Sandra ; Milošević, Ana ; Rodriguez-Lorenzo, Laura ; Ackermann-Hirschi, Liliane ; Mottas, Inès ; Petri-Fink, Alke ; Rothen-Rutishauser, Barbara ; Bourquin, Carole ; Clift, Martin James David

In: ACS Nano, 2019, vol. 13, no. 6, p. 6790–6800

Gold nanoparticles (GNPs) are intended for use within a variety of biomedical applications due to their physicochemical properties. Although, in general, biocompatibility of GNPs with immune cells such as macrophages and dendritic cells is well established, the impact of GNPs on B lymphocyte immune function remains to be determined. Since B lymphocytes play an important role in health and...

Université de Fribourg

A bio-inspired amplification cascade for the detection of rare cancer cells

Rüegg, Curzio ; Reis, Corine ; Rafiee, Sarah ; Rodriguez-Lorenzo, Laura ; List, Jonathan ; Rothen-Rutishauser, Barbara ; Mayer, Michael ; Petri-Fink, Alke

In: CHIMIA International Journal for Chemistry, 2019, vol. 73, no. 1, p. 63–68

The main cause of cancer-related death is due to cancer cell spreading and formation of secondary tumors in distant organs, the so-called metastases. Metastatic cancer cells are detectable in the blood of cancer patients as circulating tumor cells (CTC) and may be exploited for prognostic and monitoring purposes, including in breast cancer. Due to their very low frequency, however, their...

Université de Fribourg

A comparative study of different in vitro lung cell culture systems to assess the most beneficial tool for screening the potential adverse effects of carbon nanotubes

Clift, Martin J. D. ; Endes, Carola ; Vanhecke, Dimitri ; Wick, Peter ; Gehr, Peter ; Schins, Roel P. F. ; Petri-Fink, Alke ; Rothen-Rutishauser, Barbara

In: Toxicological Sciences, 2014, vol. 137, no. 1, p. 55-64

To determine the potential inhalatory risk posed by carbon nanotubes (CNTs), a tier-based approach beginning with an in vitro assessment must be adopted. The purpose of this study therefore was to compare 4 commonly used in vitro systems of the human lung (human blood monocyte-derived macrophages [MDM] and monocyte-derived dendritic cells [MDDC], 16HBE14o- epithelial cells, and...