Glioma Stains (IMAGE) Cold Spring Harbor Laboratory Caption Cold Spring Harbor Laboratory Professor Adrian Krainer developed several antisense oligonucleotide (ASO) molecules for a new potential cancer treatment, but the most potent was ASO5. When mice were treated with ASO5, their tumor cells (stained red) grew slower and began differentiating into healthy cells (stained green). Credit Krainer lab/Cold Spring Harbor Laboratory Usage Restrictions Attribution required License Original 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.