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Effect of stable AS expression of PTI-1 on morphology of PTI-1-expressing CREF-Trans 6:4 NMT cells. Phase-contrast photograph of CREF-Trans 6, CREF-Trans 6:4 NMT, 4 NMT-Vector (CREF-Trans 6:4 NMT cells transfected with the pZeoSV vector), and 4 NMT-PTI-1-AS cl 8 (CREF-Trans 6:4 NMT cells transfected with an AS PTI-1 gene cloned in a pZeoSV vector). (≈×60.)
