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Interleukin-8 promoter polymorphism -251A/T is a risk factor for age-related macular degeneration.


ABSTRACT: To determine whether four expression-related cytokine polymorphisms are associated with age-related macular degeneration (AMD).DNA from 478 cases with AMD and 555 normal controls was genotyped for the pro-inflammatory IL1beta -511C/T, IL6 -174C/G, IL8 -251A/T and anti-inflammatory IL10 -1082G/A cytokine polymorphisms using the 5' nuclease TaqMan(R) assay for allelic discrimination. Associations with AMD were analysed using allelic frequencies.The -251A allele of the IL8 promoter gene polymorphism was more prevalent in AMD patients than controls (p = 0.037, OR = 1.21, 95% CI = 1.01 to 1.44). Adjusting for age, sex, body mass index (BMI), current smoking and past smoking status did not alter the AMD association significantly (corrected p value = 0.043, OR = 1.23, 95% CI = 1.0 to 1.50).The pro-inflammatory homozygous IL8 -251AA genotype is an important risk factor for AMD. This may have implications for future therapy with biological agents that could target this cytokine.

SUBMITTER: Goverdhan SV 

PROVIDER: S-EPMC5993190 | biostudies-literature | 2008 Apr

REPOSITORIES: biostudies-literature

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Interleukin-8 promoter polymorphism -251A/T is a risk factor for age-related macular degeneration.

Goverdhan S V SV   Ennis S S   Hannan S R SR   Madhusudhana K C KC   Cree A J AJ   Luff A J AJ   Lotery A J AJ  

The British journal of ophthalmology 20080229 4


<h4>Background/aims</h4>To determine whether four expression-related cytokine polymorphisms are associated with age-related macular degeneration (AMD).<h4>Methods</h4>DNA from 478 cases with AMD and 555 normal controls was genotyped for the pro-inflammatory IL1beta -511C/T, IL6 -174C/G, IL8 -251A/T and anti-inflammatory IL10 -1082G/A cytokine polymorphisms using the 5' nuclease TaqMan(R) assay for allelic discrimination. Associations with AMD were analysed using allelic frequencies.<h4>Results</  ...[more]

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