Human Fetal Lung Fibroblast Cells (MRC-5 Line)

The adherent monolayer culture of MRC-5 cells depicted above was fixed, permeabilized, blocked with 10-percent normal goat serum, and then treated with a cocktail of mouse anti-histone and rabbit anti-PMP 70 (peroxisomal membrane protein) primary antibodies followed by goat anti-mouse and anti-rabbit secondary antibodies (IgG) conjugated to Texas Red and Alexa Fluor 488, respectively. Alexa Fluor 350 conjugated to phalloidin was utilized to counterstain the F-actin network. Images were recorded in grayscale with a 12-bit digital camera coupled to either a Nikon E-600 or Eclipse 80i microscope equipped with bandpass emission fluorescence filter optical blocks. During the processing stage, individual image channels were pseudocolored with RGB values corresponding to each of the fluorophore emission spectral profiles.

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