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Ribosomal Protein SA (RPSA), a component of the 40S ribosomal subunit, was identified as a H2O2 target in HeLa cells [1]. In order to analyze the intracellular localization of RPSA in different redox states we overexpressed wild-type RPSA (RPSAwt) or RPSA containing two cysteine to serine residue substitutions at positions 148 and 163 (RPSAmut) in HeLa cells. The transfected cells were exposed to...
To become metastatic, a tumor cell must acquire new adhesion properties that allow migration into the surrounding connective tissue, transmigration across endothelial cells to reach the blood stream and, at the site of metastasis, adhesion to endothelial cells and transmigration to colonize a new tissue. Hydrogen peroxide (H2O2) is a redox signaling molecule produced in tumor cell microenvironment...
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