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KLF8 and vimentin expression in AsPC-1 cells spiked in blood of normal volunteers. Representative images showing immunocytochemistry for CK (to detect epithelial cells), CD45 (to discriminate normal hematologic cells), KLF8, and vimentin. KLF8 indicates Krüppel-like factor 8; PBMCs, peripheral blood mononuclear cells, scale bar, 20 μm.
