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Expression of the 5D4 keratan sulfate epitope in transfected HeLa cells. Immunocytochemistry of HeLa cells that were transfected with (A) empty vector, (B) pCMV6-Entry Myc/DDK-mChst1, (C) pCMV6-mChst2, or (D) both pCMV6-Entry Myc/DDK-mChst1 and pCMV6-mChst2. The cells were stained with the 5D4 antibody (red, indicated by the arrow in D) and Hoechst (blue). Bar: 30 µm.
