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Microscopic images of human immortalized lymphocytes transfected with the Δ4-desaturase vector. Human B lymphoblastoid cells from one of the control cases, transiently transfected with the pIRES2EGFP-FlagΔ4 vector on day 3 after electroporation. Upper (A) and lower (B) panels show the cells under bright field and fluorescence microscopy, respectively.
