PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34043863-4 2021 Here we show that A2A R activation with CGS21680 promoted neural stem cell self-renewal, protected committed neuronal cells from cell death and contributed to a higher density of immature and mature neuronal cells, particularly glutamatergic neurons. 2-(4-(2-carboxyethyl)phenethylamino)-5'-N-ethylcarboxamidoadenosine 40-48 adenosine A2a receptor Rattus norvegicus 18-23