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Fig. 5. Polysomal profiles from control MCF-7 cells treated with DMSO vehicle (top) and treated with 10 µM 15d-PGJ2 (bottom). The A254 of each fraction from a sucrose gradient (fraction #1 representing the top of the gradient) was determined ({circ}), and isolated RNA was subject to Northern blot analysis to determine which fractions contained cyclin D1 (A) or ß-actin (B) mRNA ({bullet}). The position of free ribosomes was determined by ethidium bromide staining of the Northern gels. Fraction #3 within this region contained 40S subunits; fractions #4, 5, and 6 contained 60S subunits and 80S ribosomes, incompletely resolved from each other.





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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