Research Article

The Upregulation of COX2 in Human Degenerated Nucleus Pulposus: The Association of Inflammation with Intervertebral Disc Degeneration

Figure 1

Illustration of the optimization of COX2 staining. IHC staining was performed with the COX2 antibody at 1 : 150 and 1 : 300 dilution. Negative control was obtained by omitting the primary antibody. Photos were taken at 100x and 400x magnification.