fig1
Figure 1. Proposed hydroxyurea signaling pathway. HU: hydroxyurea; NO: nitric oxide; sGC: soluble guanylyl cyclase; GTP: guanosine triphosphate; cGMP: cyclic guanosine monophosphate; p38 MAPK: p38 mitogen-activated protein kinase; TFr: repressor; solid line: activation; dashed line: repression; asterisk: activated form
