KRAS Protein (IMAGE) Louisiana State University Caption KRAS protein is known to be involved in heart and autoimmune diseases as well as many cancers of the blood, skin, lung, and colon. The discovery made by the Computational Systems Biology Group at LSU can lead to the repurposing of known FDA-approved drugs to treat rare conditions also known as "orphan diseases" that are currently untreated. Credit Misagh Naderi, LSU Usage Restrictions None 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.