PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9579229-2 1998 It has been suggested that the ratio between branched-chain amino acids (BCAAs) and aromatic amino acids (AAAs) (BCAA/ AAA ratio) may determine in part the brain concentration of the AAAs, since the BCAAs compete with the AAAs for entry across the blood-brain barrier, leading to the accumulation of false neurotransmitters such as octopamine and phenylethanolamine, which are able to stimulate GH secretion (via alpha 2-adrenergic stimulation). Octopamine 332-342 AT-rich interaction domain 4B Homo sapiens 73-77