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- K A Sluka, H H Jordan, and K N Westlund.
- Marine Biomedical Institute, University of Texas Medical Branch, Galveston 77555-0843.
- Pain. 1994 Oct 1; 59 (1): 95-100.
AbstractThe experimental arthritis of the knee joint used in the present study leads to joint swelling, increased joint temperature, limping, guarding, and a decrease in paw withdrawal latency (PWL) to radiant heat (hyperalgesia) within hours in rats. Unexpectedly, administration of the non-NMDA receptor antagonist, CNQX, in the spinal cord 4 h after initiation of the arthritis significantly reduced the degree of joint inflammation and returned PWL times to baseline. Therefore, the present results indicate that established joint swelling and hyperalgesia can be reduced significantly by CNQX.
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