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Fig. 2 | Stem Cell Research & Therapy

Fig. 2

From: Development of a two-step protocol for culture expansion of human annulus fibrosus cells with TGF-β1 and FGF-2

Fig. 2

Morphology of hAF cells harvested from degenerated disc tissues after GF treatment in the five groups. Control group at (a) 7 days and (f) 14 days. TGF-β1 group at (b) 7 days and (g) 14 days. FGF-2 group at (c) 7 days and (h) 14 days. Treatment group with both GFs at (d) 7 days and (i) 14 days. Two-step group at (e) 7 days and (j) 14 days. Scale bar = 100 μm

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Stem Cell Research & Therapy

ISSN: 1757-6512