Research Paper Volume 8, Issue 12 pp 3390—3399

Aging promotes neoplastic disease through effects on the tissue microenvironment

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Figure 1. Size of donor-derived, pre-neoplastic hepatocyte clusters in animals transplanted at young or old age and killed 3 months after Tx (see Experimental procedures for details). Panel (A) mean cluster size (± SE) in individual animals. Panel (B) mean cluster size per group. Data are mean ± SE; **significantly different from young group:P<0.01