2930
It was prominently and selectively (within the central nervous system ) expressed in pyramidal cells of the cerebral cortex and other motor neurons , e.g., in spinal cord and brainstem nuclei .
 ( cell type: motor neurons, None) , ( cell type: pyramidal cells, 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:
 ( cell type: motor neurons, None) , ( cell type: pyramidal cells, None) 