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Université de Fribourg

Tissue-specific isoforms of the single C. elegans Ryanodine receptor gene unc-68 control specific functions

Marques, Filipe ; Thapliyal, Saurabh ; Javer, Avelino ; Shrestha, Priyanka ; Brown, André E. X. ; Glauser, Dominique A.

In: PLOS Genetics, 2020, vol. 16, no. 10, p. e1009102

Ryanodine receptors (RyR) are essential regulators of cellular calcium homeostasis and signaling. Vertebrate genomes contain multiple RyR gene isoforms, expressed in different tissues and executing different functions. In contrast, invertebrate genomes contain a single RyR-encoding gene and it has long been proposed that different transcripts generated by alternative splicing may diversify...

Université de Fribourg

Assessment of the potential for in-plume sulphur dioxide gas-ash interactions to influence the respiratory toxicity of volcanic ash

Tomašek, Ines ; Damby, David E. ; Horwell, Claire J. ; Ayris, Paul M. ; Delmelle, Pierre ; Ottley, Christopher J. ; Cubillas, Pablo ; Casas, Ana S. ; Bisig, Christoph ; Petri-Fink, Alke ; Dingwell, Donald B. ; Clift, Martin J. D. ; Drasler, Barbara ; Rothen-Rutishauser, Barbara

In: Environmental Research, 2019, vol. 179, p. 108798

Volcanic plumes are complex environments composed of gases and ash particles, where chemical and physical processes occur at different temperature and compositional regimes. Commonly, soluble sulphate- and chloride-bearing salts are formed on ash as gases interact with ash surfaces. Exposure to respirable volcanic ash following an eruption is potentially a significant health concern. The...

Università della Svizzera italiana

The Tim-3-Galectin-9 Pathway and Its Regulatory Mechanisms in Human Breast Cancer

Yasinska, Inna M. ; Sakhnevych, Svetlana S. ; Pavlova, Ludmila ; Hansen Selnø, Anette Teo ; Teuscher Abeleira, Ana Maria ; Benlaouer, Ouafa ; Gonçalves Silva, Isabel ; Mosimann, Marianne ; Varani, Luca ; Bardelli, Marco ; Hussain, Rohanah ; Siligardi, Giuliano ; Cholewa, Dietmar ; Berger, Steffen M. ; Gibbs, Bernhard F. ; Ushkaryov, Yuri A. ; Fasler-Kan, Elizaveta ; Klenova, Elena ; Sumbayev, Vadim V.

In: Frontiers in immunology, 2019, vol. 10, p. 1594

Human cancer cells operate a variety of effective molecular and signaling mechanisms which allow them to escape host immune surveillance and thus progress the disease. We have recently reported that the immune receptor Tim-3 and its natural ligand galectin-9 are involved in the immune escape of human acute myeloid leukemia (AML) cells. These cells use the neuronal receptor latrophilin 1...

Consortium of Swiss Academic Libraries

Nonthermal particles and photons in starburst regions and superbubbles

Bykov, Andrei

In: The Astronomy and Astrophysics Review, 2014, vol. 22, no. 1, p. 1-54

Università della Svizzera italiana

Influenza hemagglutinin membrane anchor

Benton, Donald J. ; Nans, Andrea ; Calder, Lesley J. ; Turner, Jack ; Neu, Ursula ; Lin, Yi Pu ; Ketelaars, Esther ; Kallewaard, Nicole L. ; Corti, Davide ; Lanzavecchia, Antonio ; Gamblin, Steven J. ; Rosenthal, Peter B. ; Skehel, John J.

In: Proceedings of the national academy of sciences of the United States of America, 2018, vol. 115, no. 40, p. 10112-10117

Viruses with membranes fuse them with cellular membranes, to transfer their genomes into cells at the beginning of infection. For Influenza virus, the membrane glycoprotein involved in fusion is the hemagglutinin (HA), the 3D structure of which is known from X-ray crystallographic studies. The soluble ectodomain fragments used in these studies lacked the “membrane anchor” portion of the...

Université de Fribourg

Remote sensing of cropping practice in Northern Italy using time-series from Sentinel-2

Ottosen, Thor-Bjørn ; Lommen, Suzanne T.E. ; Skjøth, Carsten Ambelas

In: Computers and Electronics in Agriculture, 2019, vol. 157, p. 232–238

Maps of cropping practice, including the level of weed infestation, are useful planning tools e.g. for the assessment of the environmental impact of the crops, and Northern Italy is an important example due to the large and diverse agricultural production and the high weed infestation. Sentinel-2A is a new satellite with a high spatial and temporal resolution which potentially allows the...