Zemfira_Karamysheva-3.jpg (IMAGE) Texas Tech University Health Sciences Center Caption Zemfira Karamysheva, Ph.D., (TTU, pictured) and Andrey Karamyshev, Ph.D., (TTUHSC) investigated the molecular mechanisms responsible for producing antimony drug resistance in Leishmania parasites. Their study was published in May by Nature Communications. Credit TTUHSC Usage Restrictions None License Original 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.