Kallikrein-gene expression in the rat gastrointestinal tract. |
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| Authors: | P J Fuller K Verity B A Matheson J A Clements |
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| Affiliation: | Medical Research Centre, Prince Henry's Hospital, Melbourne, Victoria, Australia. |
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| Abstract: | The serine proteinase glandular kallikrein has been demonstrated in the gastrointestinal tract, although there is some doubt as to whether it is synthesized there or derives from exocrine-gland secretions. Using a rat pancreatic kallikrein cRNA probe we have demonstrated kallikrein-like gene expression in the corpus, duodenum, jejunum, ileum, caecum and colon, and compared the pattern of expression with that of the gastrointestinal peptides somatostatin, gastrin and glucagon. In addition, using a panel of oligonucleotide probes specific for various members of the rat kallikrein-gene family, we have shown that the kallikrein-like gene expressed appears to be expressed as true kallikrein. |
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