The effect of total parenteral nutrition in the rat on a sub-group of enteroendocrine cells.
The effect of total parenteral nutrition (TPN) in rats on a number of enteroendocrine cells was investigated. The rats were given a continuous intravenous infusion of basal TPN solution for 7 days. Samples from duodenum, jejunum and ileum were collected, immunostained and the immunoreactive cells quantified using a computerised morphometrics system. The endocrine cells containing somatostatin, cholecystokinin (CCK), gastric inhibitory polypeptide (GIP), neurotensin and enteroglucagon were investigated. The results demonstrated a significant reduction in the number of CCK cells in the duodenum and jejunum. In the ileum the neurotensin-immunoreactive cells were significantly increased in number (P less than 0.02). No change was seen in the number of cells immunostained for somatostatin, GIP or enteroglucagon. These data indicate that short term TPN has a definite effect on the enteroendocrine cell population which may be linked to the side effects of TPN seen in man.[1]References
- The effect of total parenteral nutrition in the rat on a sub-group of enteroendocrine cells. Buchan, A.M., Green, K.A., Innis, S.M., Pederson, R.A. Regul. Pept. (1985) [Pubmed]
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