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Fas, FasL, and caspase 3 expression in whole testis tissue. (A) 3 h or (B) 12 h after x-ray exposure, mRNA was isolated from whole testis samples, and Fas, FasL, and caspase 3 expression was measured by qRT-PCR. Gene expression values are expressed as mean relative expression ± SEM (n = 3–4). Values above the results for each gene indicate the p value for the within-gene ANOVAs that were performed.
