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The expression of PI3K mRNA in Jurkat and Hut cells after CCL21 co-culture in vitro. RT-PCR amplication of the two cell lines under the different concentration of CCL21. The relative grey scale of PI3K mRNA in Hut cell was higher than that in Jurkat cell with corresponding concentration of CCL21. there were some difference on the grey scale in the group with different concentration of CCL21 of each cell lines. β-actin is positive control in RT-PCR amplication.
