ArticlePloS one2014
Vascular endothelial growth factor genotypes and haplotypes contribute to the susceptibility of obstructive sleep apnea syndrome.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
What it found
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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.
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.
Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it, 4 citations in OpenAlex.
- Obstructive sleep apnea syndrome susceptible genes in the Chinese population: a meta-analysis of 21 case-control studies.Sleep & breathing = Schlaf & Atmung · 2015Pooled it
- Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTo investigate whether VEGF polymorphisms (-460 T/C, +405 G/C, and +936 C/T)/haplotypes influence the susceptibility of obstructive sleep apnea (OSA).
methodA prospective case-control study was conducted to evaluate the genetic effects of VEGF polymorphisms on the development of OSA. 150 patients and 225 healthy controls were recruited for this study and their genotypes were determined by polymerase chain reaction and restriction fragment length polymorphism (PCR-RFLP). The odds ratios (OR) and 95% confidence intervals (CI) were calculated by logistic regression analysis.
resultOur study showed that the -460 C allele (C vs. T: OR = 1.95, 95% CI = 1.38-2.76) and +936 T allele (T vs. C: OR = 1.48, 95% CI = 1.02-2.15) were associated with an increased OSA risk, whereas +405 C allele was associated with a decreased susceptibility to OSA (C vs. G: OR = 0.61, 95% CI = 0.45-0.83). Compared with the most common haplotype CCT, CGC (OR = 2.22, 95% CI = 1.19-4.13) and TGC (OR = 3.83, 95% CI = 1.56-9.40) were associated with a significantly increased risk of OSA.
conclusionThese observations implied that VEGF gene polymorphisms might be associated with the susceptibility to OSA. These results need to be validated by other independent studies, especially in diverse ethnic populations.
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Registered trials
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