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Università della Svizzera italiana

Conformational occlusion of blockade antibody epitopes, a novel mechanism of GII.4 human norovirus immune evasion

Lindesmith, Lisa C. ; Mallory, Michael L. ; Debbink, Kari ; Donaldson, Eric F. ; Brewer-Jensen, Paul D. ; Swann, Excel W. ; Sheahan, Timothy P. ; Graham, Rachel L. ; Beltramello, Martina ; Corti, Davide ; Lanzavecchia, Antonio ; Baric, Ralph S.

In: mSphere, 2018, vol. 3, no. 1, p. e00518-17

Extensive antigenic diversity within the GII.4 genotype of human norovirus is a major driver of pandemic emergence and a significant obstacle to development of cross- protective immunity after natural infection and vaccination. However, human and mouse monoclonal antibody studies indicate that, although rare, antibodies to conserved GII.4 blockade epitopes are generated. The mechanisms by...

Università della Svizzera italiana

MicroRNAs in hematopoietic development

Montagner, Sara ; Dehó, Lorenzo ; Monticelli, Silvia

In: BMC immunology, 2014, vol. 15, p. 14

Background: MicroRNAs (miRNAs) are short non-coding RNAs involved in the posttranscriptional regulation of a wide range of biological processes. By binding to complementary sequences on target messenger RNAs, they trigger translational repression and degradation of the target, eventually resulting in reduced protein output. MiRNA-dependent regulation of protein translation is a very widespread...