Representative Tissue Microarray Core (IMAGE) LA BioMed Caption This representative tissue microarray core demonstrates reduced matrix metalloproteinase 14 (MMP14) expression in human ALS motor neurons (left). Credit LA BioMed 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.