CA1 Region of the Hippocampus of AD Mouse (IMAGE) AlphaMed Press Caption Intranasal injection (IN) of preconditioned MSC-derived EVs (MSC-EVs) affects microglia activation in the brain of 3xTg-AD mice. The image shows the distribution of Iba-1+-microglia (in green) in the CA1 medial hippocampus of PBS- (CTRL) and EV-treated (MSC-EVs) mice. Nuclei (in blue) were stained with DAPI. Scale bar: 100mm. Credit AlphaMed Press 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.