MicroRNA 142 (IMAGE) Indiana University Caption MicroRNA 142, in green, shown in neurons in the brain. The molecule may represent a potential biomarker to diagnosis or predict dementia. Credit Hui-Chen Lu, Indiana University Usage Restrictions Credit Hui-Chen Lu, 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.