PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21253359-5 2011 Importantly, the present work reveals that subthreshold alpha2-adrenergic activation with clonidine counteracts GLP-1 potentiation of glucose-induced insulin secretion. Clonidine 90-99 glucagon Rattus norvegicus 112-117 10425466-10 1999 Clonidine (10(-7) M), an alpha2-agonist, induced a moderate and delayed increase of GLP-1 and PYY but abolished the isoproterenol-induced peptide secretion. Clonidine 0-9 glucagon Rattus norvegicus 84-89