Alzheimer's Mouse (image) University of Zurich Caption Deficiency (or inhibition) of molecules of the interleukin (IL)-12 and/or IL-23 signal pathway reduces Alzheimer-like pathological changes - depicted here as so-called β-amyloid plaques (spot-like areas, stained in black) - substantially. Left: Brain hemisphere of an Alzheimer's mouse; right: Brain hemisphere of an Alzheimer's mouse without IL-12 receptor. Credit UZH Usage Restrictions None 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.