Remote inflammation pathway (IMAGE) Hokkaido University Caption The inflammation signal (IL-6 amplifier) in the affected joint (L) causes the secretion of ATP that transmits a signal through the spinal cord (DRG, L5), which in turn triggers an increase in ATP concentrations in the unaffected joint (R) that results in inflammation in that joint (Rie Hasebe, et al. Journal of Experimental Medicine. May 17, 2022). Credit Rie Hasebe, et al. Journal of Experimental Medicine. May 17, 2022. Usage Restrictions This image is copyrighted, but may be used to report this release, if credited as instructed. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.