What question did this study set out to answer?

To investigate whether host genetic polymorphisms in the IL-4, IL-10, and RANTES promoter regions influence the emergence of syncytium-inducing HIV-1 variants.

June 15, 2000Journal of VirologyOpen Access

Polymorphism in the Interleukin-4 Promoter Affects Acquisition of Human Immunodeficiency Virus Type 1 Syncytium-Inducing Phenotype

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Authors

ENEmi E. NakayamaSaiseikai Ibaraki Hospital YHYoshihiko HoshinoNational Institute of Infectious Diseases XXXiaomi XinZheJiang Academy of Agricultural Sciences

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Implication

Genetic study shows IL-4 promoter polymorphism accelerates syncytium-inducing HIV-1 emergence in infected patients, indicating enhanced cytokine production drives disease progression.

Key Points

To investigate whether host genetic polymorphisms in the IL-4, IL-10, and RANTES promoter regions influence the emergence of syncytium-inducing HIV-1 variants.
Genotyped the IL-4 promoter (-589T), triallelic IL-10 promoter, and biallelic RANTES promoter polymorphisms in an observational cohort of HIV-1-infected individuals in Japan.
Evaluated the emergence of syncytium-inducing (SI) viral phenotypes alongside longitudinal clinical measures, including serum IgE levels across infection stages.
Homozygosity for the IL-4 -589T promoter polymorphism was correlated with increased rates of acquiring the syncytium-inducing (SI) HIV-1 phenotype.
The IL-4 -589T mutation was associated with significantly elevated serum IgE levels, with the most pronounced elevations observed during advanced disease stages.
Neither the triallelic IL-10 polymorphism nor the biallelic RANTES promoter polymorphism showed an association with the acquisition of the viral SI phenotype.

Cite This Study

Nakayama et al. (2000) studied this question.

synapsesocial.com/papers/6a97a131d08ffd74dfc622fe https://doi.org/10.1128/jvi.74.12.5452-5459.2000

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Implication

Genetic study shows IL-4 promoter polymorphism accelerates syncytium-inducing HIV-1 emergence in infected patients, indicating enhanced cytokine production drives disease progression.

Polymorphism in the Interleukin-4 Promoter Affects Acquisition of Human Immunodeficiency Virus Type 1 Syncytium-Inducing Phenotype

Discussion

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Implication

Key Points

Cite This Study

Polymorphism in the Interleukin-4 Promoter Affects Acquisition of Human Immunodeficiency Virus Type 1 Syncytium-Inducing Phenotype

Discussion

Member takes

Implication

Key Points

Cite This Study

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