Among the 22 identified proteins , 11 upregulated proteins were involved either in the cytoskeleton ( ezrin , moesin , plastin 1 , lamin B1 , vimentin , and - actin ) or in protein biosynthesis ( glutamyl-prolyl-transfer RNA synthetase , glutaminyl-transfer RNA synthetase , elongation factor 2 , elongation factor 1 , and eukaryotic translation and initiation factor 3 subunit f ) .