Sites of Autoimmune Inflammation Revealed by Expression of Firefly Protein (image) American Journal of Pathology Share Print E-Mail Caption Upon inflammation, the transcription factor NF-kB in cells of transgenic mice activates the translation of the Luciferase protein. Luciferase allows light emissions from inflamed tissue. Credit Zangani et al, 2009 Usage Restrictions Unrestricted, as long as the source is referenced. Share Print E-Mail 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.