Human Folate Receptor (IMAGE) Indiana University Caption This image shows models of the human folate receptor (top) and antifolate drugs used in chemotherapy (bottom, from left: aminopterin, pemetrexed and methotrexate). Credit Charles Dann III Usage Restrictions Please credit Indiana University 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.