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