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Relative expression change of miR-26a level.
Notes: 1: untransfected group; 2: negative control group (PEI/QD/miR-NC); 3: miR-26a vector transfected group. *P<0.05 compared with groups 3 and 1 (n=3).
Abbreviations: PEI, polyethyleneimine; QD, quantum dot; NC, negative control.
