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. Author manuscript; available in PMC: 2010 May 3.
Published in final edited form as: Cell Cycle. 2009 Apr 4;8(7):970–976. doi: 10.4161/cc.8.7.8075

Figure 2.

Figure 2

(A) Growth of MT1A2 tumors that were non-irradiated (control; open circles), irradiated and re-grown (IR tumor; closed circles), or grown in previously irradiated tissues (pre-IR bed; closed squares) in FVB mice. Arrowhead indicates local irradiation of 20 Gy to the ‘IR tumor group only. Numbers in red indicate points at which tumors were excised and examined histologically for basement membrane (B) and for pericytes (Fig. 3). Reproduced from11 with permission. (B) Left: Immunostaining of tumors in A for endothelial cells (CD31; red) or basement membrane (type IV collagen, green). Numbers in parentheses correspond to the numbers in red from (A). Right: The number of endothelial cells was subtracted from that of basement membrane to determine the presence of basement membrane empty sleeves (see the text). The difference in means between different volumes or treatment groups did not reach a statistical significance (p > 0.05).