Figure 2 (IMAGE) Tohoku University Caption When the macrophages in pancreatic islets of Langerhans were removed in mice, there was no reduction in β-cells, as would normally be observed after delivery (a), and blood glucose levels decreased excessively after delivery (b). Credit Junta Imai et al. Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. 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.