Trypanosomes (image) Johannes Gutenberg Universitaet Mainz Share Print E-Mail Caption Trypanosomes, which cause African sleeping sickness, under the microscope (left) and the crystal structure of the tryparedoxin dimer (right): The two inhibitor molecules are highlighted in red. Credit Ill./©: Ute Hellmich, Annika Wagner Usage Restrictions This image may be used only in connection with the press release "New therapeutic approach to combat African sleeping sickness", issued by Johannes Gutenberg University Mainz on February 20, 2019. 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.