Fig. 4From: Overexpression of bHLH domain of HIF-1 failed to inhibit the HIF-1 transcriptional activity in hypoxiaPhotograph of the EGFP-transfected HEK293T obtained with a fluorescence microscope and rate of transfection obtained with flow-cytometry, 48 h after transfection. a Un-transfected cells, b Transfected with control pIRES2-EGFP, and c Transfected with ibHLH pIRES2-EGFPBack to article page