Localization of Met-enkephalin-Arg6-Gly7-Leu8 immunoreactivity in rat duodenum |
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Authors: | H J Wolter |
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Abstract: | The distribution of Met-enkephalin-Arg6-Gly7-Leu8 (Met-ENK-Arg6-Gly7-Leu8) in the rat duodenum was determined using specific antibodies against Met-ENK-Arg6-Gly7-Leu8 and the immunofluorescence microscope technique. Met-ENK-Arg6-Gly7-Leu8 immunoreactive perikarya have been detected in the myenteric plexus. These neuronal cell bodies were large in diameter and round in shape. Met-ENK-Arg6-Gly7-Leu8 immunostained nerve fibres were noted in both the circular muscle layer and, more abundantly, in interconnecting myenteric plexus nerve fibre bundles. These findings might indicate that Met-ENK-Arg6-Gly7-Leu8 has important physiological roles as neurotransmitter and/or neuromodulator in the human and mammalian gastrointestinal tract. |
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