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, Cell number was estimated following trypan blue staining. Values are mean ± SD of 3 independent experiments. (Non-parametric Mann-Whitney test, *** p<0.001). (f)
, Representative immunostaining of P-VEGFR1(Tyr1213) or VEGFR1 proteins in H358
, xenografts having received either mismatch or VEGF 165 b siRNA as indicated
, for 72 hours with rhVEGF 165 b (0.1 ng/ml) as indicated. VEGFR1 or VEGFR2 mRNA levels were quantified by RT-QPCR in each condition. GAPDH was used as an internal control. (h) VEGFR1 (white bars) or VEGFR2 (hatched bars) mRNA levels were quantified by RT-QPCR in control cells (pcDNA3.1 transfected) or H358 or H1299 clones overexpressing VEGF 165 b. GAPDH was used as an internal control. (i) Mean levels ± standard deviation of VEGF 165 b immunohistochemical scores according to the expression of VEGFR1 (high and low) in NSCLC patients, H358 or H1299 cells were treated (rhVEGF 165 b, hatched bars) or not (NT, white bars)
, , vol.001
, VEGF 165 b promotes invasion. (a) Microscopic visualization of morphological differences between H358/H1299 control and VEGF 165 b-overexpressing cells
, Immunoblots for Epithelial to Mesenchymal Transition (EMT) markers in H358 cells treated or not with 0.1 ng/ml rhVEGF 165 b for 72 hours (b) or in control (Co), H358 and H1299-VEGF 165 b clones (c)