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Università della Svizzera italiana

Higher-order connections between stereotyped subsets : implications for improved patient classification in CLL

Agathangelidis, Andreas ; Chatzidimitriou, Anastasia ; Gemenetzi, Katerina ; Giudicelli, Veronique ; Karypidou, Maria ; Plevova, Karla ; Davis, Zadie ; Yan, Xiao-Jie ; Jeromin, Sabine ; Schneider, Christof ; Bredo-Pedersen, Lone ; Tschumper, Renee C. ; Sutton, Lesley-Ann ; Baliakas, Panagiotis ; Scarfò, Lydia ; van Gastel, Ellen J. ; Armand, Marine ; Tausch, Eugen ; Biderman, Bella ; Baer, Constance ; Bagnara, Davide ; Navarro, Alba ; Langlois de Septenville, Anne ; Guido, Valentina ; Mitterbauer-Hohendanner, Gerlinde ; Dimovski, Aleksandar ; Brieghel, Christian ; Lawless, Sarah ; Meggendorfer, Manja ; Braazdilova, Kamila ; Ritgen, Matthias ; Facco, Monica ; Tresoldi, Cristina ; Visentin, Andrea ; Patriarca, Andrea ; Catherwood, Mark ; Bonello, Lisa ; Sudarikov, Andrey ; Vanura, Katrina ; Roumelioti, Maria ; Skuhrova-Francova, Hana ; Moysiadis, Theodoros ; Veronese, Silvio ; Giannopoulos, Krzysztof ; Mansouri, Larry ; Karan-Djurasevic, Teodora ; Sandaltzopoulos, Raphael ; Bödör, Csaba ; Fais, Franco ; Kater, Arnon ; Panovska, Irina ; Rossi, Davide ; Alshemmari, Salem ; Panagiotidis, Panagiotis ; Costeas, Paul ; Espinet Solà, Blanca ; Antic, Darko ; Foroni, Letizia ; Montillo, Marco ; Trentin, Livio ; Stavroyianni, Niki ; Gaidano, Gianluca ; Francia di Celle, Paola ; Niemann, Carsten ; Campo, Elias ; Anagnostopoulos, Achilles ; Pott, Christiane ; Fischer, Kirsten ; Hallek, Michael ; Oscier, David ; Stilgenbauer, Stephan ; Haferlach, Claudia ; Jelinek, Diane ; Chiorazzi, Nicholas ; Pospisilova, Sarka ; Lefranc, Marie-Paule ; Kossida, Sofia ; Langerak, Anton W. ; Belessi, Chrysoula ; Davi, Frederic ; Rosenquist, Richard ; Ghia, Paolo ; Stamatopoulos, Kostas

In: Blood, 2020, vol. 137, no. 10, p. 1365–1376

Chronic lymphocytic leukemia (CLL) is characterized by the existence of subsets of patients with (quasi)identical, stereotyped B cell receptor immunoglobulins (BcR IG). Patients in certain major stereotyped subsets often display remarkably consistent clinicobiological profiles, suggesting that the study of BcR IG stereotypy in CLL has important implications for understanding disease...

Université de Fribourg

TGFBI modulates tumour hypoxia and promotes breast cancer metastasis

Fico, Flavia ; Santamaria‐Martínez, Albert

In: Molecular Oncology, 2020, vol. 14, no. 12, p. 3198–3210

Breast cancer metastasis is a complex process that depends not only on intrinsic characteristics of metastatic stem cells, but also on the particular microenvironment that supports their growth and modulates the plasticity of the system. In search for microenvironmental factors supporting cancer stem cell (CSC) growth and tumour progression to metastasis, we here investigated the role of the...

Université de Fribourg

The role of TNFR2 and DR3 in the in vivo expansion of tregs in T cell depleting transplantation regimens

Rodriguez-Barbosa, Jose-Ignacio ; Schneider, Pascal ; Graca, Luis ; Bühler, Leo ; Perez-Simon, Jose-Antonio ; Rio, Maria-Luisa del

In: International Journal of Molecular Sciences, 2020, vol. 21, no. 9, p. 3347

Regulatory T cells (Tregs) are essential for the maintenance of tolerance to self and non-self through cell-intrinsic and cell-extrinsic mechanisms. Peripheral Tregs survival and clonal expansion largely depend on IL-2 and access to co-stimulatory signals such as CD28. Engagement of tumor necrosis factor receptor (TNFR) superfamily members, in particular TNFR2 and DR3, contribute to promote...

Università della Svizzera italiana

Schwann cells ER-associated degradation contributes to myelin maintenance in adult nerves and limits demyelination in CMT1B mice

Volpi, Vera G. ; Ferri, Cinzia ; Fregno, Ilaria ; Del Carro, Ubaldo ; Bianchi, Francesca ; Scapin, Cristina ; Pettinato, Emanuela ; Solda, Tatiana ; Feltri, M. Laura ; Molinari, Maurizio ; Wrabetz, Lawrence ; D’Antonio, Maurizio

In: PLOS genetics, 2019, vol. 15, no. 4, p. e1008069

In the peripheral nervous system (PNS) myelinating Schwann cells synthesize large amounts of myelin protein zero (P0) glycoprotein, an abundant component of peripheral nerve myelin. In humans, mutations in P0 cause the demyelinating Charcot-Marie-Tooth 1B (CMT1B) neuropathy, one of the most diffused genetic disorders of the PNS. We previously showed that several mutations, such as the...

Università della Svizzera italiana

Experimental priming of encephalitogenic Th1/Th17 cells requires pertussis toxin-driven IL-1β production by myeloid cells

Ronchi, Francesca ; Basso, Camilla ; Preite, Silvia ; Reboldi, Andrea ; Baumjohann, Dirk ; Perlini, Luana ; Lanzavecchia, Antonio ; Sallusto, Federica

In: Nature communications, 2016, vol. 7, p. 11541

CD4+ Th17 are heterogeneous in terms of cytokine production and capacity to initiate autoimmune diseases, such as experimental autoimmune encephalomyelitis (EAE). Here we demonstrate that experimental priming of encephalitogenic Th cells expressing RORγt and T-bet and producing IL-17A, IFN-γ and GM-CSF but not IL-10 (Th1/Th17), is dependent on the presence of pertussis toxin (PTX) at the...

Università della Svizzera italiana

CXCL11-dependent induction of FOXP3-negative regulatory T cells suppresses autoimmune encephalomyelitis

Zohar, Yaniv ; Wildbaum, Gizi ; Novak, Rostislav ; Salzman, Andrew L. ; Thelen, Marcus ; Alon, Ronen ; Barsheshet, Yiftah ; Karp, Christopher L. ; Karin, Nathan

In: The journal of clinical investigation, 2014, vol. 124, no. 5, p. 2009-2022

A single G protein–coupled receptor (GPCR) can activate multiple signaling cascades based on the binding of different ligands. The biological relevance of this feature in immune regulation has not been evaluated. The chemokine-binding GPCR CXCR3 is preferentially expressed on CD4+ T cells, and canonically binds 3 structurally related chemokines: CXCL9, CXCL10, and CXCL11. Here we have shown...