Influence (IMAGE) Neural Regeneration Research Caption This shows the influence of hypoxic preconditioning on vascular endothelial growth factor expression in the ischemic penumbra of mice with acute cerebral infarction (immunofluorescent staining, × 40). 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.