PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20100571-4 2010 We have observed that treatment of human 1321N1 astrocytes with the beta-adrenergic agonist isoproterenol synergistically enhanced TNF-alpha-induced expression of the cytokine IL-6. Isoproterenol 92-105 tumor necrosis factor Homo sapiens 131-140