Quantification and partial characterisation of regulatory peptides in the liver fluke, Fasciola hepatica, from different mammalian hosts.

作者: R.M. Magee , I. Fairweather , C. Shaw , J.M. McKillop , W.I. Montgomery

DOI: 10.1016/0742-8413(91)90100-8

关键词: AntiserumGastrin-releasing peptidePeptidePancreatic polypeptideRadioimmunoassayBiochemistryLiver flukePeptide PHIFasciola hepaticaBiology

摘要: Abstract 1. Extracts of the liver fluke, Fasciola hepatica from three different hosts (cow, sheep, rat) have been subjected to radioimmunoassay using antisera 6 mammalian regulatory peptides. 2. Immunoreactivity was measured pancreatic polypeptide, substance P, peptide histidine isoleucine and gastrin-releasing peptide. Levels each varied considerably in flukes hosts. 3. Reverse-phase HPLC rat sheep fluke extracts revealed molecular forms tachykinin immunoreactivity single peaks polypeptide immunoreactivity. No GRP-immunoreactivity detected by RIA fractions.

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