PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2439328-7 1986 Low plasma IgE may be associated with a deficiency in surface IgE on mast cells which therefore have an increased sensitivity to drugs that cause direct pharmacological histamine liberation. Histamine 169-178 immunoglobulin heavy constant epsilon Homo sapiens 11-14 2439328-7 1986 Low plasma IgE may be associated with a deficiency in surface IgE on mast cells which therefore have an increased sensitivity to drugs that cause direct pharmacological histamine liberation. Histamine 169-178 immunoglobulin heavy constant epsilon Homo sapiens 62-65