Evidence map›Paper›PMID 21833551›Full record

ArticleCellular and molecular neurobiology2012

Oxidative stress parameters in urine from patients with disorders of propionate metabolism: a beneficial effect of L:-carnitine supplementation.

Graziela S Ribas, Giovana B Biancini, Caroline Mescka, Carlos Y Wayhs, Angela Sitta, Moacir Wajner, Carmen R Vargas

Open access · greenAbstract readControlled Clinical Trial
In one paragraph

Article in Cellular and molecular neurobiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
1.9field-weighted citation impact, top 16% 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

17 citing papers in PubMed, 1 synthesis or guideline pooled it, 36 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Review
  5. Article
  6. Review
  7. Review
  8. Propionyl-CoA carboxylase - A review.Molecular genetics and metabolism · 2017
    Review
  9. Review
  10. Article
  11. Review
  12. Article
  13. Article
  14. Observational
  15. Article
  16. Article
  17. An Introduction to Pharmacotherapy for Inborn Errors of Metabolism.The journal of pediatric pharmacology and therapeutics : JPPT : the official journal of PPAG
    Review
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

7 authors at 2 institutions in 1 country.

Graziela S RibasPrograma de Pós-Graduação em Ciências Farmacêuticas, UFRGS, Ipiranga 2752, Porto Alegre, RS, 90610-000, Brazil. grazischmitt@terra.com.br
Giovana B Biancini
Caroline Mescka
Carlos Y Wayhs
Angela Sitta
Moacir Wajner
Carmen R Vargas
Universidade Federal do Rio Grande do Sul · BRHospital de Clínicas de Porto Alegre · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Propionic (PA) and methylmalonic (MMA) acidurias are inherited disorders caused by deficiency of propionyl-CoA carboxylase and methylmalonyl-CoA mutase, respectively. Affected patients present acute metabolic crises in the neonatal period and long-term neurological deficits. Treatments of these diseases include a protein restricted diet and L: -carnitine supplementation. L: -Carnitine is widely used in the therapy of these diseases to prevent secondary L: -carnitine deficiency and promote detoxification, and several recent in vitro and in vivo studies have reported antioxidant and antiperoxidative effects of this compound. In this study, we evaluated the oxidative stress parameters, isoprostane and di-tyrosine levels, and the antioxidant capacity, in urine from patients with PA and MMA at the diagnosis, and during treatment with L: -carnitine and protein-restricted diet. We verified a significant increase of isoprostanes and di-tyrosine, as well as a significant reduction of the antioxidant capacity in urine from these patients at diagnosis, as compared to controls. Furthermore, treated patients presented a marked reduction of isoprostanes and di-tyrosine levels in relation to untreated patients. In addition, patients with higher levels of protein and lipid oxidative damage, determined by di-tyrosine and isoprostanes levels, also presented lower urinary concentrations of total and free L: -carnitine. In conclusion, the present results indicate that treatment with low protein diet and L: -carnitine significantly reduces urinary biomarkers of protein and lipid oxidative damage in patients with disorders of propionate metabolism and that L: -carnitine supplementation may be specially involved in this protection.

Indexed as

Amino Acid Metabolism, Inborn ErrorsAntioxidantsCarnitineChildChild, PreschoolDietary SupplementsDiet, Protein-RestrictedHumansInfantInfant, NewbornMatched-Pair AnalysisMethylmalonic AcidOxidative StressPropionatesTreatment OutcomeTyrosineAntioxidantsCarnitineMethylmalonic AcidPropionatesTyrosine

Identifiers

PMID21833551
PMCPMC11498622
OpenAlexW1987046354

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.