To detect impairmenteffects of CPZ, and repairment influences of AST on rat model of MS, we stained corpuscallosum section, in all our four groups, with two oligodendrocyte proteins, MOG and A2B5.MOG, myelin oligodendrocyte glycoprotein, expressed on the outer membrane of myelin sheathand oligodendrocytes, and exclusively found within the CNS. Here, OMG is linked to myeloid sarcoma.