PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15573088-6 2004 Recently, recombinant adenovirus-derived vectors encoding the differentiation factor Sonic Hedgehog (Shh) and its downstream transcriptional activator (Gli1) were shown to protect dopaminergic neurons in the substantia nigra pars compacta from 6-OHDA-induced neurotoxicity in rats in vivo. Oxidopamine 244-250 sonic hedgehog signaling molecule Homo sapiens 101-104