Fig. 2
From: IGFBP6 controls the expansion of chemoresistant glioblastoma through paracrine IGF2/IGF-1R signaling
The expression of IGF-1R is upregulated in TMZ-resistant GBM xenograft lines. a Representative histograms showing the relative distribution of IGF-1R− and IGF-1R+ cells in TMZ-sensitive (left) and TMZ-resistant (right) GBM xenograft lines. b Relative levels of IGF-1R expressed on the cell surface of TMZ-sensitive and TMZ-resistant GBM xenograft lines. ****P < 0.0001, two-tailed, t-test