Molecules and Cells

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Fig. 1.

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Fig. 1. (A) Transcript levels of CXCL12-CXCR4/7 axis genes were elevated in the heterotopic tumor model after radiation. mRNA levels of CXCL12-CXCR4/7 genes were measured approximately 1 or 3 days after exposure to radiation. The mRNA level of the control sample without radiation was arbitrarily set to one. (B) In the human hepatoma xenograft model, radiation enhanced the CXCL12-CXCR4/7 genes. After irradiation, the mRNA levels were measured 3 to 5 days later in the xenografted Huh7 cells. The levels of the unirradiated samples were arbitrarily set to one. (C) Expression of CXCL12-CXCR4/7 pathway genes increased 3 to 5 days after radiation in human hepatoma Huh7 cells cocultured with IMR90 cells. (D) The coculture (Huh7 + IMR90) effect on the radiation-induced CXCL12 expression was analyzed compared to the single-cultured Huh7 cells. Huh7 cells were grown in single- (Huh7 only) or coculture with IMR90 cells (Huh7 + IMR90) and exposed to radiation (IR) or not. The CXCL12 mRNA levels in the unirradiated single- or cocultured Huh7 cells were set to one. (E) The radiation or coculture-induced CXCL12 proteins were evaluated using ELISA. *P < 0.05, **P < 0.01, ***P < 0.001.
Mol. Cells 2019;42:530~545
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