Copy number of mtDNA corresponding to each individual case of gastric cancers and normal gastric tissues (circle). Real-time quantitative PCR assay was performed to analyze mtDNA copy number in a cohort of gastric cancers and normal gastric tissues. Horizonal lines represent mean ± S.E. Details are as described in Methods. T, tumor tissues; N, normal gastric tissues.
Zhang et al. Diagnostic Pathology 2013 8:173 doi:10.1186/1746-1596-8-173