Andrographolide Enhances Proliferation and Prevents Dedifferentiation of Rabbit Articular Chondrocytes: An In Vitro Study

Figure 3

Safranin O staining showing the synthesis of extracellular matrix. Rabbit articular chondrocytes were cultured in vitro with 0 (Control), 1.5 (T1), 3 (T2), and 6 μM (T3) ANDRO for 2, 4, and 6 days. Cell seeding density: 2 × 10⁴/mL (original magnification ×100). Scale bar = 200 μm.