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Glutamine alone or combined with short-chain fatty acids fails to enhance gut adaptation after massive enterectomy in rats
Neves, José de Souza; Aguilar-Nascimento, José Eduardo de; Gomes-da-Silva, Maria Helena Gaiva; Cavalcanti, Rosecélia Nunes; Bicudo, Alberto Salomão; Nascimento, Mariana; Nochi Júnior, Rubens Jardim.
  • Neves, José de Souza; Federal University of Mato Grosso. Department of Surgery. Campo Grande. BR
  • Aguilar-Nascimento, José Eduardo de; Federal University of Mato Grosso. Department of Surgery. Campo Grande. BR
  • Gomes-da-Silva, Maria Helena Gaiva; Federal University of Mato Grosso. Department of Nutrition and Dietetics. Campo Grande. BR
  • Cavalcanti, Rosecélia Nunes; Federal University of Mato Grosso. Julio Muller Hospital. Campo Grande. BR
  • Bicudo, Alberto Salomão; Federal University of Mato Grosso. Department of Surgery. Campo Grande. BR
  • Nascimento, Mariana; Federal University of Mato Grosso. Department of Surgery. Campo Grande. BR
  • Nochi Júnior, Rubens Jardim; Federal University of Mato Grosso. Department of Surgery. Campo Grande. BR
Acta cir. bras ; 21(supl.4): 2-7, 2006. tab, graf
Article in English | LILACS | ID: lil-440770
ABSTRACT

PURPOSE:

To investigate the effect of oral glutamine alone or combined with short chain fatty acids (SCFA) in the intestinal adaptation of rats submitted to an massive enterectomy.

METHODS:

After receiving 70 percent small bowel resection, 30 Wistar rats were randomized to received either standard rat chow (control group, n=10) or the same diet supplemented with 3,05 percent of glutamine alone (glutamine group, n=10) or combined with a solution containing SCFA (glutamine+SCFA group, n=10). Animals were killed on the 14th postoperative day. Mucosal weight, crypt depth, villus height, wall width, and the mucosal content of DNA, were assessed in basal conditions (resected gut specimen) and compared to the small bowel specimen collected on the postoperative day 14, at both jejunum and ileum sites.

RESULTS:

All groups presented similar pattern in weight evolution. In all groups, both the morphological findings and the DNA content were significantly higher at the end of the experiment than in basal conditions, at both the jejunum and ileum. Except for the jejunum wall width that was higher in control group (808±95 æ) than in the other two groups (glutamine = 649±88 æ and glutamine+SCFA = 656±92; p<0.01), there was no difference among them in all variables at both intestinal sites after 14 days.

CONCLUSION:

All groups presented adaptation of the intestinal mucosa in the remnant gut. Glutamine combined or not with short chain fatty acids fails to influence the adaptive response of the small bowel.
RESUMO

OBJETIVO:

Investigar o efeito da glutamina oral isolada ou associada a ácidos graxos de cadeia curta (SCFA) na adaptação intestinal de ratos submetidos a resseção extensa.

MÉTODOS:

Após ressecção de 70 por cento do intestino delgado, 30 ratos Wistar foram randomizados para receber uma dieta padrão (grupo controle, n=10) ou a mesma dieta suplementada com 3,05 por cento de glutamina (grupo glutamina, n=10) ou combinada com SCFA (grupo glutamina+SCFA, n=10). Os animais foram sacrificados no 14° dia de PO. Foram estudados peso da mucosa, profundidade da cripta, altura do vilo, espessura da parede e conteúdo de DNA no jejuno e no íleo, em condição basal e no dia do sacrifício.

RESULTADOS:

O peso evoluiu da mesma forma nos 3 grupos. No final do experimento todos os parâmetros morfológicos e o DNA aumentarem significantemente. Com exceção a espessura da parede do jejuno que foi mais alta no grupo controle (808±95 æ) que nos outros dois grupos (glutamina = 649±88 æ e glutamina+SCFA = 656±92; p<0.01), não houve diferença entre os grupos em todas as variáveis no 14° dia.

CONCLUSÃO:

A adaptação intestinal ocorreu em todos os grupos. Glutamina isolada ou associada a SCFA não influencia a resposta adaptativa do intestino delgado.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Short Bowel Syndrome / Fatty Acids, Volatile / Glutamine / Intestinal Mucosa Type of study: Prognostic study / Systematic reviews Limits: Animals Language: English Journal: Acta cir. bras Journal subject: General Surgery / Procedimentos Cir£rgicos Operat¢rios Year: 2006 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Mato Grosso/BR

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Full text: Available Index: LILACS (Americas) Main subject: Short Bowel Syndrome / Fatty Acids, Volatile / Glutamine / Intestinal Mucosa Type of study: Prognostic study / Systematic reviews Limits: Animals Language: English Journal: Acta cir. bras Journal subject: General Surgery / Procedimentos Cir£rgicos Operat¢rios Year: 2006 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Mato Grosso/BR