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. 2011 Aug 27;55(3):e31. doi: 10.4081/ejh.2011.e31

Figure 1.

Figure 1

A) Lubricin immunohistochemistry (cytoplasmic and perinuclear immunola-beling) specimen from control cartilage (tissue explanted); strong lubricin immunolabeling of chondrocytes; magnification ×20; scale bar: 100 µm. B) Magnification of panel A, black arrow; magnification ×40; scale bar: 50 µm. C) magnification of panel A, red arrow; magnification ×40; scale bar: 50 µm. D) Lubricin immunohistochemistry specimen from OA cartilage (tissue explanted); weak lubricin immunolabeling of chondrocytes; magnification ×20; scale bar: 100 µm. E) No immunoreaction was observed in the negative control treated with PBS without the primary antibodies (tissue explanted); magnification ×20; scale bar: 100 µm. F) Percentage of lubricin positive cells out of the total number of cells counted in control cartilage and in OA cartilage.