Research Article

Controlled Release of Interleukin-1 Receptor Antagonist from Hyaluronic Acid-Chitosan Microspheres Attenuates Interleukin-1β-Induced Inflammation and Apoptosis in Chondrocytes

Figure 6

Effect of microspheres on the relative expressions of Bcl-2, Bax, and caspase-3 mRNA. Expression levels were normalized to β-actin. Values were expressed as the mean ± standard deviation. IL-1Ra: interleukin-1 receptor antagonist; HA: hyaluronic acid; CS: chitosan.
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