PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2882523-4 1987 After chronic administration of tricyclic antidepressants (imipramine and desipramine) the number of cortical beta 1 adrenergic receptors decreased without impairing the clenbuterol-induced decrease in spontaneous motor activity. Imipramine 59-69 hemoglobin, beta adult major chain Mus musculus 110-116