12535
Hox11 null mouse embryos have elevated Aldh1 mRNA in spleen primordia prior to atrophy , while Aldh1 seems to be repressed by Hox11 during organogenesis of the spleens of wild-type mice .
 ( protein: Aldh1, None) , ( protein: Hox11, None) , ( RNA: Aldh1 mRNA, None) , ( protein: Hox11, None) , ( protein: Aldh1, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: Aldh1, None) , ( protein: Hox11, None) , ( RNA: Aldh1 mRNA, None) , ( protein: Hox11, None) , ( protein: Aldh1, None) 