Novel polymorphisms in human macrophage inflammatory protein-1 alpha (MIP-1α) gene
- 1 May 2001
- journal article
- Published by Springer Nature in Genes & Immunity
- Vol. 2 (3) , 156-158
- https://doi.org/10.1038/sj.gene.6363759
Abstract
Human macrophage inflammatory protein-1 alpha (MIP-1alpha) is a chemotactic cytokine, which binds to macrophages, T cells, and B cells affecting their activation. We found novel polymorphisms at four sites within MIP-1alpha gene in Japanese population: C to T in exon 2; A to G in intron 2; C to G and A to G in exon 3. They occurred on the same allele. Although MIP-1alpha effectively suppresses the replication of HIV-1 in vitro, we observed no statistically significant difference in the allele frequency of this polymorphism between HIV-1-infected and uninfected individuals in Japanese population. Since an increased transcription level of MIP-1alpha has been reported to be associated with inflammatory diseases such as atopic dermatitis, we also investigated the frequency of these polymorphisms among patients with atopic dermatitis, HIV-1-infected individuals (with a normal IgE level), and healthy donors. A small increase in ratio of homozygotes to other genotypes was observed in patients with atopic dermatitis (P = 0.04).Keywords
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