Nestin Positive (IMAGE) Neural Regeneration Research Caption The number of nestin-positive neural stem cells (red) peaked at 14 days after administration of Buyang Huanwu Decoction (Immunohistochemistry staining). Credit <i>Neural Regeneration Research</i> 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.