6533
Bronchoalveolar lavage (BAL) cells and peripheral blood mononuclear cells ( PBMC ) were examined for GCRbeta immunoreactivity using a GCRbeta -specific antibody by immunohistochemical staining .
 ( cell type: Bronchoalveolar lavage (BAL) cells, None) , ( protein: GCRbeta, None) , ( protein: GCRbeta -specific antibody, None) , ( cell type: mononuclear cells, None) , ( cell type: PBMC, None) , ( protein: GCRbeta, 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: Bronchoalveolar lavage (BAL) cells, None) , ( protein: GCRbeta, None) , ( protein: GCRbeta -specific antibody, None) , ( cell type: mononuclear cells, None) , ( cell type: PBMC, None) , ( protein: GCRbeta, None) 