Sphingosine-1-phosphate (S1P) is present in the blood plasma and acts as a pivotal intercellular signal transmitter in the immune system by recruiting lymphocytes from the thymus and secondary lymphoid tissues. The plasma S1P concentration is maintained by the supply of S1P from erythrocytes. Previously. we showed that S1P release from erythrocytes is mediated by an ATP-dependent tran... https://www.roneverhart.com/Apple-24-in-iMac-with-Retina-4-5K-Display-M3-chip-8C-CPU-8C-GPU-256GB-8GB-Silver-Fall-2023-MQR93LL-A/