PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9392446-6 1997 L-tryptophan, which significantly elevated the plasma melatonin by about 3-5-fold, also reduced the stress and I/R-induced lesions and blood levels of free radicals, while increasing the GBF, DNA synthesis, and plasma gastrin levels. Tryptophan 0-12 gastrin Homo sapiens 218-225