CG&D
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Fig. 1. Tax maintains proliferation and inhibits differentiation of muscle cells. A, phase-contrast micrographs of C2.7-Neo myoblasts stably expressing the neomycin resistance gene (a and c) and C2.7-Tax myoblasts stably expressing both the neomycin resistance gene and the HTLV-1 Tax protein (b and d). Cells were cultured in proliferation-promoting medium (PM; DMEM supplemented with 10% FCS; a and b). At 80% confluence, they were moved to differentiation medium (DM; DMEM containing 2% horse serum) and cultured for an additional 72 h (c and d). Cells were fixed and stained in a May-Grünwald-Giemsa solution. B, parental C2.7 ({square}), C2.7-Neo ({diamond}), and C2.7-Tax ({circ}) cells were seeded at 104 cells in 10-cm diameter dishes and cultured either in proliferation medium (left panel; PM) or in differentiation medium (right panel; DM). At daily intervals, cells detached by trypsinization were counted by a hemocytometer. Data are presented as the cell number (log scale) relative to the time of culture in days.





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HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Cancer Research Clinical Cancer Research
Cancer Epidemiology Biomarkers & Prevention Molecular Cancer Therapeutics
Molecular Cancer Research Cell Growth & Differentiation