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Università della Svizzera italiana

The antibody response to Plasmodium falciparum : cues for vaccine design and the discovery of receptor-based antibodies

Tan, Joshua ; Piccoli, Luca ; Lanzavecchia, Antonio

In: Annual Review of Immunology

P. falciparum remains a serious public health problem and a continuous challenge for the immune system due to the complexity and diversity of the pathogen. Recent advances from several laboratories in the characterization of the antibody response to the parasite have led to the identification of critical targets for protection and revealed a new mechanism of diversification based on the...

Università della Svizzera italiana

Antibody-guided vaccine design : identification of protective epitopes

Lanzavecchia, Antonio ; Frühwirth, Alexander ; Perez, Laurent ; Corti, Davide

In: Current opinion in immunology, 2016, vol. 41, no. August, p. 62-67

In the last decade, progress in the analysis of the human immune response and in the isolation of human monoclonal antibodies have provided an innovative approach to the identification of protective antigens which are the basis for the design of vaccines capable of eliciting effective B-cell immunity. In this review we illustrate, with relevant examples, the power of this approach that can...

Université de Fribourg

The influence of substituents on gelation and stacking order of oligoaramid – based supramolecular networks

Drechsler, Susanne ; Balog, Sandor ; Kilbinger, Andreas F. M. ; Casalini, Tommaso

In: Soft Matter, 2019, vol. 15, no. 36, p. 7250–7261

Self-assembly has proven to be a powerful tool for functional, smart materials such as hydrogels derived from low molecular weight compounds. However, the targeted design of functional gelators remains difficult. Here, we present a set of four Y-shaped aromatic amide tetramers with varying functionalities able to undergo different non- covalent interactions. These compounds were explored...

Università della Svizzera italiana

Dissecting human antibody responses: useful, basic and surprising findings

Lanzavecchia, Antonio

In: EMBO molecular medicine, 2018, vol. 10, p. e8879

Human memory B cells and plasma cells represent a rich source of antibodies that have been selected in response to human pathogens. In the last decade, different methods have been developed to interrogate the human memory repertoire and isolate monoclonal antibodies. I will discuss how a target‐agnostic approach based on high‐throughput screening of antibodies produced by cultured B cells...

Università della Svizzera italiana

Identification of a novel non-desmoglein autoantigen in Pemphigus Vulgaris

Di Lullo, Giulia ; Calabresi, Valentina ; Mariotti, Feliciana ; Zambruno, Giovanna ; Lanzavecchia, Antonio ; Di Zenzo, Giovanni

In: Frontiers in immunology, 2019, vol. 10, p. 1391

Pemphigus vulgaris (PV) is an autoimmune bullous disease of the skin and mucous membranes characterized by the presence of circulating and tissue-bound autoantibodies against keratinocyte cell surface antigens, specifically desmoglein (Dsg) 1 and 3. The pathogenic role of anti-Dsg antibodies is well-established, while the mechanism of blister formation is only partly defined. We have applied...

Université de Fribourg

Efficient perovskite nanocrystal light-emitting diodes using a benzimidazole-substituted anthracene derivative as the electron transport material

Kumar, Sudhir ; Marcato, Tommaso ; Vasylevskyi, Serhii I. ; Jagielski, Jakub ; Fromm, Katharina M. ; Shih, Chih-Jen

In: Journal of Materials Chemistry C, 2019, vol. 7, no. 29, p. 8938–8945

Colloidal nanocrystals of organic–inorganic hybrid perovskites (OIHPs) are an emerging class of solid-state lighting materials owing to their outstanding photophysical properties. Considerable research efforts have been devoted to the fabrication of high-performance light-emitting diodes (LEDs) based on these materials, including interface engineering which is essential for balancing the...

Università della Svizzera italiana

The N276 glycosylation site is required for HIV-1 neutralization by the CD4 binding site specific HJ16 monoclonal antibody

Balla-Jhagjhoorsingh, Sunita S. ; Corti, Davide ; Heyndrickx, Leo ; Willems, Elisabeth ; Vereecken, Katleen ; Davis, David ; Vanham, Guido

In: Plos one, 2013, vol. 8, no. 7, p. e68863

Immunogen design for HIV-1 vaccines could be based on epitope identification of naturally occurring neutralizing antibodies in infected patients. A tier 2 neutralizing monoclonal antibody (mAb), HJ16 recognizes a new epitope in the CD4 binding site (CD4bs) region that only partially overlaps with the b12 epitope. We aimed to identify the critical binding site by resistance induction in a...