Sphingosine-1-phosphate signalling induces the production of Lcn-2 by macrophages to promote kidney regeneration.

This work was supported by grants from Deutsche Forschungsgemeinschaft (BR999, ECCPS, SFB815), Sander Foundation, Deutsche Krebshilfe, LOEWE (LiFF), National Spanish Research Actions (FIS 05/0156, FIS 06/0173), and EU (PROLIGEN). MJ and EV are supported by IDIBAPS. MJ was further supported by a grant from the Fritz-Thyssen-Stiftung.