RPL23 and mucopolysaccharidosis: The amount of the RPL23 protein in cells increased in several MPS types but decreased in MPS IX after genistein treatment and were corrected in MPS IIIA, MPS IIIB, MPS IVB, and MPS VII, further worsened in MPS I, and were not affected in MPS IIIC, MPS IVA, and MPS IX (Figure 6).