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Basic Study
Copyright: ©Author(s) 2026.
World J Stem Cells. Apr 26, 2026; 18(4): 115218
Published online Apr 26, 2026. doi: 10.4252/wjsc.v18.i4.115218
Figure 1
Figure 1 Transforming growth factor-β1 treatment induced collagen accumulation in tendon stem/progenitor cells. A: Picro-Sirius red staining of tendon stem/progenitor cells after treatment with 5 ng/mL of transforming growth factor-β1 at 1 day, 3 days, and 7 days. Collagen is marked as red. Scale bars = 200 μm; B: The chart shows the percentage of the Picro-Sirius red-stained tendon stem/progenitor cells in different groups. All data are presented as the mean ± SD. aP < 0.05. NS: No significance; NC: Negative control; TGF-β1: Transforming growth factor-β1.


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