PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8676090-4 1996 A 14-d course of r-hSCF significantly increased dermal mast cell density at sites distant to those injected with the cytokine and also increased both urinary levels of the major histamine metabolite, methyl-histamine, and serum levels of mast cell alpha-tryptase. Methylhistamines 200-216 KIT ligand Homo sapiens 19-23