Figure 4. Tumor Suppression by HIF2α shRNA Is Not Restricted to a Single Cell Line.
(A) Tumor weights approximately 8 wk after subcutaneous implantation of A498 cells infected with the indicated retroviruses in nude mice. Number of tumors analyzed is shown in parentheses. Error bars = one standard error.
(B) Representative histological sections after staining with hematoxylin and eosin of tumors formed by A498 cells infected with the indicated retroviruses.