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Left panel: cervical cells demonstrated strong immunofluorescence signal for fibroblast markers for all subjects (n=5) and all passages (up to passage 6). Right panel: cervical cells remained viable (green signal) on the silk scaffolds during the 12 week culture period. The cells in the 2D experiment appeared the same as in the 3D experiment (not shown). Color images available online at www.liebertonline.com/tea
