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Associations between ghrelin and ghrelin receptor polymorphisms and cancer in Caucasian populations: a meta-analysis

Overview of attention for article published in BMC Genomic Data, November 2014
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Title
Associations between ghrelin and ghrelin receptor polymorphisms and cancer in Caucasian populations: a meta-analysis
Published in
BMC Genomic Data, November 2014
DOI 10.1186/s12863-014-0118-3
Pubmed ID
Authors

Noel A Pabalan, Inge Seim, Hamdi Jarjanazi, Lisa K Chopin

Abstract

BackgroundThere is growing evidence that the ghrelin axis, including ghrelin (GHRL) and its receptor, the growth hormone secretagogue receptor (GHSR), play a role in cancer progression. Ghrelin gene and ghrelin receptor gene polymorphisms have been reported to have a range of effects in cancer, from increased risk, to protection from cancer, or having no association. In this study we aimed to clarify the role of ghrelin and ghrelin receptor polymorphisms in cancer by performing a meta-analysis of published case¿control studies.We conducted searches of the literature published up to January 2013 in MEDLINE using the PubMed search engine. Individual data on 8,430 cases and 14,008 controls from six case¿control studies of an all Caucasian population were evaluated for three ghrelin gene (GHRL; rs696217, rs4684677, rs2075356) and one ghrelin receptor (GHSR; rs572169) polymorphism in breast cancer, esophageal cancer, colorectal cancer and non-Hodgkins lymphoma.ResultsIn the overall analysis, homozygous and recessive associations indicated that the minor alleles of rs696217 and rs2075356 GHRL polymorphisms conferred reduced cancer risk (odds ratio [OR] 0.61-0.78). The risk was unchanged for breast cancer patients when analysed separately (OR 0.73-0.83). In contrast, the rs4684677 GHRL and the rs572169 GHSR polymorphisms conferred increased breast cancer risk (OR 1.97-1.98, p¿=¿0.08 and OR 1.42-1.43, p¿=¿0.08, respectively). All dominant and co-dominant effects showed null effects (OR 0.96-1.05), except for the rs572169 co-dominant effect, with borderline increased risk (OR 1.08, p¿=¿0.05).ConclusionsThis study suggests that the rs696217 and rs2075356 ghrelin gene (GHRL) polymorphisms may protect carriers against breast cancer, and the rs4684677 GHRL and rs572169 GHSR polymorphisms may increase the risk among carriers. Additional, larger studies are required to confirm these findings.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 21 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Russia 1 5%
Unknown 20 95%

Demographic breakdown

Readers by professional status Count As %
Student > Master 4 19%
Student > Doctoral Student 2 10%
Professor > Associate Professor 2 10%
Student > Ph. D. Student 1 5%
Librarian 1 5%
Other 2 10%
Unknown 9 43%
Readers by discipline Count As %
Medicine and Dentistry 4 19%
Agricultural and Biological Sciences 4 19%
Biochemistry, Genetics and Molecular Biology 2 10%
Neuroscience 1 5%
Engineering 1 5%
Other 0 0%
Unknown 9 43%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 22 November 2014.
All research outputs
#22,759,452
of 25,373,627 outputs
Outputs from BMC Genomic Data
#1,008
of 1,204 outputs
Outputs of similar age
#235,658
of 276,319 outputs
Outputs of similar age from BMC Genomic Data
#33
of 41 outputs
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