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Consortium of Swiss Academic Libraries

The role of the acquired immune response in systemic sclerosis

Chizzolini, Carlo ; Boin, Francesco

In: Seminars in Immunopathology, 2015, vol. 37, no. 5, p. 519-528

Université de Fribourg

Superconducting optical response of photodoped Mott insulators

Li, J. ; Golez, D. ; Werner, Philipp ; Eckstein, M.

In: Modern Physics Letters B, 2020, vol. 34, no. 19n20, p. 2040054

Ultrafast laser pulses can redistribute charges in Mott insulators on extremely short time scales, leading to the fast generation of photocarriers. It has recently been demonstrated that these photocarriers can form a novel η-paired condensate at low temperatures, featuring a staggered superconducting pairing field. In this conference paper, we discuss the origin of the η-paired hidden...

Université de Fribourg

Use of EpiAlveolar lung model to predict fibrotic potential of multiwalled carbon nanotubes

Barosova, Hana ; Maione, Anna G. ; Septiadi, Dedy ; Sharma, Monita ; Haeni, Laetitia ; Balog, Sandor ; O’Connell, Olivia ; Jackson, George R. ; Brown, David ; Clippinger, Amy J. ; Hayden, Patrick ; Petri-Fink, Alke ; Stone, Vicki ; Rothen-Rutishauser, Barbara

In: ACS Nano, 2020, vol. 14, no. 4, p. 3941–3956

Expansion in production and commercial use of nanomaterials increases the potential human exposure during the lifecycle of these materials (production, use, and disposal). Inhalation is a primary route of exposure to nanomaterials; therefore it is critical to assess their potential respiratory hazard. Herein, we developed a three-dimensional alveolar model (EpiAlveolar) consisting of human...

Université de Fribourg

Revealing Hund’s multiplets in Mott insulators under strong electric fields

Dasari, Nagamalleswararao ; Li, Jiajun ; Werner, Philipp ; Eckstein, Martin

In: Physical Review B, 2020, vol. 101, no. 16, p. 161107

We investigate the strong-field dynamics of a paramagnetic two-band Mott insulator using real-time dynamical mean-field theory. We demonstrate that strong electric fields can lead to a transient localization of electrons. This nonequilibrium quantum effect allows us to reveal specific signatures of local correlations in the time-resolved photoemission spectrum. In particular, we demonstrate...

Université de Fribourg

Regulation of TRPM8 channel activity by Src-mediated tyrosine phosphorylation

Manolache, Alexandra ; Selescu, Tudor ; Maier, G. Larisa ; Mentel, Mihaela ; Ionescu, Aura Elena ; Neacsu, Cristian ; Babes, Alexandru ; Szedlacsek, Stefan Eugen

In: Journal of Cellular Physiology, 2019, p. -

The transient receptor potential melastatin type 8 (TRPM8) receptor channel is expressed in primary afferent neurons where it is the main transducer of innocuous cold temperatures and also in a variety of tumors, where it is involved in progression and metastasis. Modulation of this channel by intracellular signaling pathways has therefore important clinical implications. We investigated the...

Université de Fribourg

Transcriptome analysis reveals a major impact of JAK protein tyrosine kinase 2 (Tyk2) on the expression of interferon-responsive and metabolic genes

Vogl, Claus ; Flatt, Thomas ; Fuhrmann, Bernd ; Hofmann, Elisabeth ; Wallner, Barbara ; Stiefvater, Rita ; Kovarik, Pavel ; Strobl, Birgit ; Müller, Mathias

In: BMC Genomics, 2010, vol. 11, no. 199, p. 1-19

Background: Tyrosine kinase 2 (Tyk2), a central component of Janus kinase/signal transducer and activator of transcription (JAK/STAT) signaling, has major effects on innate immunity and inflammation. Mice lacking Tyk2 are resistant to endotoxin shock induced by lipopolysaccharide (LPS), and Tyk2 deficient macrophages fail to efficiently induce interferon alpha/beta after LPS treatment....

Université de Fribourg

Characterization and in vivo validation of a three-dimensional multi-cellular culture model to study heterotypic interactions in colorectal cancer cell growth, invasion and metastasis

Cattin, Sarah ; Ramont, Laurent ; Rüegg, Curzio

In: Frontiers in Bioengineering and Biotechnology, 2018, vol. 6, p. -

Colorectal cancer (CRC) is the third cause of cancer-related mortality in industrialized countries. Local invasion and metastasis formation are events associated with poor prognosis for which today there are no effective therapeutic options. Invasion and metastasis are strongly modulated by cells of the tumor microenvironment (TME), in particular fibroblasts and endothelial cells. Unraveling...