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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...

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, 2018, vol. 128, no. 3, p. 1200-1201

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...

Università della Svizzera italiana

Systems analysis of MVA-C induced immune response reveals its significance as a vaccine candidate against HIV/AIDS of clade C

Gómez, Carmen Elena ; Perdiguero, Beatriz ; Jiménez, Victoria ; Filali-Mouhim, Abdelali ; Ghneim, Khader ; Haddad, Elias K. ; Quakkerlaar, Esther D. ; Delaloye, Julie ; Harari, Alexandre ; Roger, Thierry ; Dunhen, Thomas ; Sékaly, Rafick P. ; Melief, Cornelis J. M. ; Calandra, Thierry ; Sallusto, Federica ; Lanzavecchia, Antonio ; Wagner, Ralf ; Pantaleo, Giuseppe ; Esteban, Mariano

In: Plos one, 2012, vol. 7, no. 4, p. e35485

Based on the partial efficacy of the HIV/AIDS Thai trial (RV144) with a canarypox vector prime and protein boost, attenuated poxvirus recombinants expressing HIV-1 antigens are increasingly sought as vaccine candidates against HIV/AIDS. Here we describe using systems analysis the biological and immunological characteristics of the attenuated vaccinia virus Ankara strain expressing the HIV-1...

Università della Svizzera italiana

T regulatory cells are markers of disease activity in multiple sclerosis patients

Dalla Libera, Dacia ; Di Mitri, Diletta ; Bergami, Alessandra ; Centonze, Diego ; Gasperini, Claudio ; Grasso, Maria Grazia ; Galgani, Simona ; Martinelli, Vittorio ; Comi, Giancarlo ; Avolio, Carlo ; Martino, Gianvito ; Borsellino, Giovanna ; Sallusto, Federica ; Battistini,Luca ; Furlan, Roberto

In: Plos one, 2011, vol. 6, no. 6, p. e21386

FoxP3+ Treg cells are believed to play a role in the occurrence of autoimmunity and in the determination of clinical recurrences. Contradictory reports are, however, available describing frequency and function of Treg cells during autoimmune diseases. We examined, by both polychromatic flow cytometry, and real-time RT-PCR, several Treg markers in peripheral blood mononuclear cells from...

Università della Svizzera italiana

Redox-mediated mechanisms fuel monocyte responses to CXCL12/HMGB1 in active rheumatoid arthritis

Cecchinato, Valentina ; D'Agostino, Gianluca ; Raeli, Lorenzo ; Nerviani, Alessandra ; Schiraldi, Milena ; Danelon, Gabriela ; Manzo, Antonio ; Thelen, Marcus ; Ciurea, Adrian ; Bianchi, Marco E. ; Rubartelli, Anna ; Pitzalis, Costantino ; Uguccioni, Mariagrazia

In: Frontiers in immunology, 2018, vol. 9, p. 2118

Chemokine synergy-inducing molecules are emerging as regulating factors in cell migration. The alarmin HMGB1, in its reduced form, can complex with CXCL12 enhancing its activity on monocytes via the chemokine receptor CXCR4, while the form containing a disulfide bond, by binding to TLR2 or TLR4, initiates a cascade of events leading to production of cytokines and chemokines. So far, the...

Università della Svizzera italiana

Selective preservation of bone marrow mature recirculating but not marginal zone B cells in murine models of chronic inflammation

Traggiai, Elisabetta ; Casati, Anna ; Frascoli, Michela ; Porcellini, Simona ; Ponzoni, Maurilio ; Sanvito, Francesca ; Leng, Lin ; Bucala, Richard ; Moretta, Lorenzo ; Grassi, Fabio

In: Plos one, 2010, vol. 5, no. 6, p. e11262

Inflammation promotes granulopoiesis over B lymphopoiesis in the bone marrow (BM). We studied B cell homeostasis in two murine models of T cell mediated chronic inflammation, namely calreticulin-deficient fetal liver chimeras (FLC), which develop severe blepharitis and alopecia due to T cell hyper responsiveness, and inflammatory bowel disease (IBD) caused by injection of CD4+ naïve T cells...

Consortium of Swiss Academic Libraries

Immunological aspects of atherosclerosis

Garrido-Urbani, S. ; Meguenani, M. ; Montecucco, F. ; Imhof, B.

In: Seminars in Immunopathology, 2014, vol. 36, no. 1, p. 73-91