Fig 6. Oxidative stress detection in primary hMSC- and HS-27a-spheroids.
(A) Immunohistochemistry of HO-1 (scale bars = 100 μm). (B) Expression of antioxidant genes (n = 3; data are mean; * compared to 2D control (CTL); * p ≤ 0.05; ** p ≤ 0.01).
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