Fig. 4. Confocal images showing Alexa 488-albumin (green ) uptake and DAPI staining of the nucleus (blue ) in rat lung microvascular endothelial cells (RLMVECs) (top ) or RLMVECs expressing Y14F-Cav-1 (bottom ) after exposure to 2.0 minimum alveolar concentration isoflurane (ISO2) and sevoflurane (SEV2). CON = control .