Evidence map›Paper›PMID 20640547›Full record

ArticleAge (Dordrecht, Netherlands)2010

The K153R variant in the myostatin gene and sarcopenia at the end of the human lifespan.

Marta González-Freire, Gabriel Rodríguez-Romo, Catalina Santiago, Natalia Bustamante-Ara, Thomas Yvert, Félix Gómez-Gallego, José A Serra Rexach, Jonatan R Ruiz, Alejandro Lucia

Open access · bronzeAbstract read
In one paragraph

Article in Age (Dordrecht, Netherlands), 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 2 pooled it
1.4field-weighted citation impact, top 20% 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

16 citing papers in PubMed, 2 syntheses or guidelines pooled it, 31 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Sarcopenic obesity: how do we treat it?Current opinion in endocrinology, diabetes, and obesity · 2013
    Review
  12. Review
  13. Review
  14. Article
  15. Article
  16. 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

9 authors at 5 institutions in 4 countries.

Marta González-FreireUniversidad Europea de Madrid, 28670 Villaviciosa de Odón, Madrid, Spain.
Gabriel Rodríguez-Romo
Catalina Santiago
Natalia Bustamante-Ara
Thomas Yvert
Félix Gómez-Gallego
José A Serra Rexach
Jonatan R Ruiz
Alejandro Lucia
Universidad Europea · MXHospital General Universitario Gregorio Marañón · ESKarolinska Institutet · SEUniversidad Europea de Madrid · ESUniversidad Politécnica de Madrid · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We studied the A55T, E164K, I225T, K153R and P198A variants in the myostatin (GDF8) gene, muscle strength and mass, and physical function during daily living in 41 nonagenarians [33 women, age range, 90, 97]. No participant carried a mutant allele of the aforementioned variants, except three participants (all women), who carried the R allele of the K153R polymorphism, with one of them (woman aged 96 years) being homozygous. Overall, in KR women muscle phenotype values (1RM leg press and estimated muscle mass) were low-to-normal compared to the whole group (approximately 25th-50th percentile), and their functional capacity (Barthel and Tinetti tests) was normal. In the woman bearing the RR genotype, values of muscle mass and functional capacity were below the 25th percentile. She is the first RR Caucasian whose phenotype has been characterised specifically. In summary, heterozygosity for the GDF8 K153R polymorphism does not seem to exert a negative influence on the muscle phenotypes of women who are at the end of the human lifespan, yet homozygosity might do so. More research on larger cohorts of nonagenarians is needed to corroborate the present findings.

Indexed as

Activities of Daily LivingPhenotypePolymorphism, GeneticAged, 80 and overFemaleHumansMyostatinSarcopeniaMyostatin

Identifiers

PMID20640547
PMCPMC2926851
OpenAlexW2100289463

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.