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Fig. 7. hSP-C
Exon4 alters trafficking of wild-type proSP-C. A549
cells were co-transfected with 5 µg of HA/hSP-C1-197 plasmid
plus 5 µg of either EGFP/hSP-C1-197 (A-C) or
EGFP/hSP-C
Exon4 (D-F) plasmids using CaPO4.
Cotransfected cells fixed 48 hours after transfection, permeabilized and
stained with anti-HA using Texas-Red-conjugated secondary antibody were
subjected to fluorescence microscopy for EGFP (A,D) and
-HA (Texas Red)
staining (B,E). EGFP- and HA-tagged hSP-C1-197 colocalize in the
same cytoplasmic vesicles. In contrast, EGFP/hSP-C
Exon4
induced aggregation of HA/hSP-C1-197 in perinuclear
compartments.