Document Detail


Enteral supplementation with ornithine alpha ketoglutarate improves the early adaptive response to resection.
MedLine Citation:
PMID:  9155578     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Polyamine synthesis or uptake, or both, might be an important event that initiates the adaptive hyperplasia seen in the intestinal remnant after partial small bowel resection. AIM: The ability of an enteral diet supplemented with the ornithine salt: ornithine alpha ketoglutarate (OKG), a precursor for polyamine synthesis, to modulate the adaptive response of the remnant ileum after jejunectomy was evaluated. METHODS: Adult Wistar rats underwent a resection of the proximal 50% of the small intestine. Controls underwent a single transection. The rats were fed intragastrically with a nutritive mixture supplemented either with casein hydrolysate or with OKG (1 g/kg). The isoenergetic and isonitrogeneous diets was given continuously for seven days. RESULTS: Villus and crypt hyperplasia was observed in the remnant ileum compared with transfected controls. OKG supplementation started after resection a further increase in villus height. After resection, OKG supplementation increased significantly the putrescine content and the amount of ornithine decarboxylase mRNA. A twofold to threefold increase of sucrase activity was measured in the resected animals compared with the transected rats. In contrast, the amount of sucrase mRNA was significantly lower in the ileum of the resected rats and OKG supplementation initiated a further drop in the amount of sucrase mRNA without pronounced changes in enzyme activity. CONCLUSIONS: The adaptive hypertrophy seen after resection can be accelerated by supplementing the diet with ornithine (OKG) a precursor of polyamine synthesis. In the remnant ileum, the reduced amount of sucrase mRNA, despite the increased level of sucrase activity, suggests a post-translational control of sucrase expression.
Authors:
B Czernichow; E Nsi-Emvo; M Galluser; F Gossé; F Raul
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Gut     Volume:  40     ISSN:  0017-5749     ISO Abbreviation:  Gut     Publication Date:  1997 Jan 
Date Detail:
Created Date:  1997-06-02     Completed Date:  1997-06-02     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  2985108R     Medline TA:  Gut     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  67-72     Citation Subset:  AIM; IM    
Affiliation:
CJF INSERM 95-09, IRCAD, Strasbourg, France.
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MeSH Terms
Descriptor/Qualifier:
Adaptation, Biological / drug effects*
Animals
Blotting, Northern
Caseins
Enteral Nutrition*
Food, Fortified
Hyperplasia / chemically induced
Ileum / drug effects*,  pathology
Jejunostomy
Male
Ornithine / administration & dosage,  analogs & derivatives*
Postoperative Period
Protein Hydrolysates
Putrescine / analysis
RNA, Messenger / drug effects
Rats
Rats, Wistar
Spermidine / analysis
Spermine / analysis
Sucrase / analysis
Chemical
Reg. No./Substance:
0/Caseins; 0/Protein Hydrolysates; 0/RNA, Messenger; 0/trypticase-soy broth; 110-60-1/Putrescine; 124-20-9/Spermidine; 37339-58-5/ornithine alpha-ketoglutarate; 7006-33-9/Ornithine; 71-44-3/Spermine; EC 3.2.1.48/Sucrase
Comments/Corrections

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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