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Effect of Mel and/or MSCs on DNA fragmentation as determined by comet assay and on expression of apoptotic genes, p53, caspase 9 and caspase 3, in livers of HCC rats as detected by qPCR. Data presented as fold change from the normal (Nor) control group. Values are expressed as mean ± SEM (n = 7). Values carrying different lower case letters are significantly different at P < 0.05.