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Gene delivery of CXCR2 C-tail sequence inhibits PDAC tumor growth in vivo. Tumor volume (A) was measured according to the formula (1/2 x L x W2) every other day; and final tumor weights (B) were measured, averaged, and compared after 4 weeks. Proliferation index (D) was expressed as percentages of Ki-67+ cells (see details in Materials and Methods section); and representative Ki-67+ immunohistochemical images (200x) are shown in (C). *P < .05; **P < .01. NT, non-transduced cells.
