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A Phenotyping Regimen for Genetically Modified Mice Used to Study Genes Implicated in Human Diseases of Aging

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Four complement factor H gene polymorphisms in association with AMD: A meta-analysis.

Xuan Liao¹, Chang-Jun Lan¹, Isabella-Wai-Yin Cheuk²

¹Department of Ophthalmology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637007, Sichuan Province, China; Department of Ophthalmology and Optometry, North Sichuan Medical College, Nanchong 637007, Sichuan Province, China.

Archives of Gerontology and Geriatrics

|February 8, 2016

Summary

This summary is machine-generated.

This meta-analysis found that complement factor H (CFH) gene polymorphisms, specifically -543G>A, A473A, -257C>T, and IVS15, are moderately associated with age-related macular degeneration (AMD) risk. Further research is needed to confirm these findings for CFH gene variants and AMD.

Keywords:

Complement factor H Macular degeneration Meta-analysis Polymorphism

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Area of Science:

Genetics
Ophthalmology
Molecular Biology

Background:

Age-related macular degeneration (AMD) is a leading cause of vision loss in older adults.
The complement factor H (CFH) gene plays a crucial role in regulating the immune system and has been implicated in AMD pathogenesis.
Genetic variations within the CFH gene are potential risk factors for AMD development.

Purpose of the Study:

To investigate the association between specific CFH gene polymorphisms (-543G>A, A473A, -257C>T, IVS15) and the risk of developing AMD.
To synthesize evidence from multiple studies through a meta-analysis to determine the overall impact of these polymorphisms on AMD risk.

Main Methods:

A comprehensive literature search was conducted in Medline and Scopus databases up to May 2015.
A meta-analysis was performed using RevMan 5.1 and Stata 12.0 software.
Pooled odds ratios (OR) with 95% confidence intervals (CI) were calculated using fixed or random effect models based on heterogeneity.

Main Results:

Nineteen studies comprising 10,676 subjects were included in the meta-analysis.
A significant association was found between the CFH -543G>A polymorphism and AMD risk across various genetic models (additive, dominant, recessive, codominant).
Similar associations were observed for A473A, -257C>T, and IVS15 polymorphisms, with stronger links noted in stratified ethnicity analyses.

Conclusions:

The CFH gene polymorphisms -543G>A, A473A, -257C>T, and IVS15 show a moderate association with an increased risk of age-related macular degeneration.
These findings suggest a potential genetic predisposition to AMD conferred by these CFH variants.
Further studies are recommended to validate and confirm the observed associations between CFH polymorphisms and AMD risk.