Evidence map›Paper›PMID 21350937›Full record

ArticleInternational journal of colorectal disease2011

L-arginine and glycine supplementation in the repair of the irradiated colonic wall of rats.

Etiene de Aguiar Picanço, Francisco Lopes-Paulo, Ruy G Marques, Cristina F Diestel, Carlos Eduardo R Caetano, Mônica Vieira Mano de Souza, Gabriela Mendes Moscoso, Helena Maria F Pazos

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Article in International journal of colorectal disease, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
2.2field-weighted citation impact, top 12% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

6 citing papers in PubMed, 19 citations in OpenAlex.

  1. Article
  2. Glycine: The Smallest Anti-Inflammatory Micronutrient.International journal of molecular sciences · 2023
    Review
  3. Review
  4. Article
  5. Article
  6. Serum amino acid profiles and their alterations in colorectal cancer.Metabolomics : Official journal of the Metabolomic Society · 2012
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 1 country.

Etiene de Aguiar PicançoLaboratory of Experimental Surgery, Rio de Janeiro State University, Rio de Janeiro, Brazil.
Francisco Lopes-Paulo
Ruy G Marques
Cristina F Diestel
Carlos Eduardo R Caetano
Mônica Vieira Mano de Souza
Gabriela Mendes Moscoso
Helena Maria F Pazos
Universidade do Estado do Rio de Janeiro · BRHospital Universitário Pedro Ernesto · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeRadiotherapy is widely used for cancer treatment but has harmful effects. This study aimed to assess the effects of L-arginine and glycine supplementation on the colon wall of rats submitted to abdominal irradiation.

methodsForty male Wistar rats were randomly divided into four groups: I-healthy, II-irradiated with no amino acid supplementation, III-irradiated and supplemented with L-arginine, and IV-irradiated and supplemented with glycine. The animals received supplementation for 14 days, with irradiation being applied on the eighth day of the experiment. All animals underwent laparotomy on the 15th day for resection of a colonic segment for stereologic analysis. Parametric and nonparametric tests were used for statistical analysis, with the level of significance set at p ≤0.05.

resultsStereologic analysis showed that irradiation induced a reduction of the total volume of the colon wall of group II and III animals compared to healthy controls, but not of group IV animals supplemented with glycine. The mucosal layer of the irradiated animals of all groups was reduced compared to healthy group I animals, but supplementation with L-arginine and glycine was effective in maintaining the epithelial surface of the mucosal layer.

conclusionThe present results suggest that glycine supplementation had a superior effect on the irradiated colon wall compared to L-arginine supplementation since it was able to maintain the thickness of the wall and the epithelial surface of the mucosa, whereas L-arginine maintained the partial volume of the epithelium and the epithelial surface, but not the total volume of the intestinal wall.

Indexed as

Dietary SupplementsRadiationAnimalsArginineBody WeightFeeding BehaviorGlycineIntestinal MucosaMaleOrgan SizeRatsRats, WistarWound HealingArginineGlycine

Identifiers

PMID21350937
OpenAlexW2058324704

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.