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Università della Svizzera italiana

Chemokines : chemistry, biochemistry and biological function

Legler, Daniel F. ; Thelen, Marcus

In: Chimia : International journal for chemistry, 2016, vol. 70, no. 12, p. 856-859

The in vitro synthesis of correctly folded functional proteins remains challenging. Chemokines, which consist of only 70–100 amino acids, are accessible through solid- phase synthesis and easily fold into a thermally stable tertiary structure. From the time of their discovery in the late 1980s chemokines could therefore be synthesized using biochemical and chemical protocols for...

Università della Svizzera italiana

Conformational dynamics and stability of U-shaped and S-shaped amyloid β assemblies

Grasso, Gianvito ; Rebella, Martina ; Muscat, Stefano ; Morbiducci, Umberto ; Tuszynski, Jack ; Danani, Andrea ; Deriu, Marco A.

In: International journal of molecular sciences, 2018, vol. 19, no. 2, p. 571

Alzheimer’s disease is the most fatal neurodegenerative disorder characterized by the aggregation and deposition of Amyloid β (Aβ) oligomers in the brain of patients. Two principal variants of Aβ exist in humans: Aβ1–40 and Aβ1–42. The former is the most abundant in the plaques, while the latter is the most toxic species and forms fibrils more rapidly. Interestingly, fibrils of...

Università della Svizzera italiana

Crossover or non-crossover outcomes : tailored processing of homologous recombination intermediates

Sanchez, Aurore ; Reginato, Giordano ; Cejka, Petr

In: Current opinion in genetics & development, 2021, vol. 71, p. 39-47

DNA breaks may arise accidentally in vegetative cells or in a programmed manner in meiosis. The usage of a DNA template makes homologous recombination potentially error-free, however, recombination is not always accurate. Cells possess a remarkable capacity to tailor processing of recombination intermediates to fulfill a particular need. Vegetatively growing cells aim to maintain genome...

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...