MCP-1 and MIP-1A Gene Polymorphisms in Japanese Patients with Sarcoidosis.
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概要
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Objectives Monocyte chemoattractant protein (MCP)-1 and macrophage inflammatory protein (MIP)-1α exhibit chemotactic activity toward macrophages/monocytes and induce the production of inflammatory cytokines affecting granuloma formation. Recently, a single nucleotide polymorphism (SNP) in the MCP-1 distal regulatory region and a dinucleotide repeat in the MIP-1A gene promoter region were identified. We investigated the relationships between the polymorphisms and susceptibility to sarcoidosis, clinical manifestations, and BALF findings of sarcoidosis. Methods The polymorphisms of the MCP-1 and MIP-1A genes in 118 patients with sarcoidosis and 145 healthy control subjects were examined. The MCP-1 polymorphism was genotyped by a PCR-restriction fragment length polymorphism method and the MIP-1A genotype was determined using PCR.Results No significant difference in the genotype distribution or in the allele frequency between the patients and control subjects was observed. We found no relationship between the polymorphisms and the serum ACE level, organ involvement, roentgenographic stages, or deterioration in chest radiographs during the follow-up. A significant difference in the absolute counts of AMs in BALF of 51 patients among the genotypes of the MCP-1 gene was found (p=0.048). The AM counts in BALF of the G/A and G/G genotypes were significantly increased compared with that of the A/A genotype (p<0.05).Conclusion The polymorphisms of the MCP-1 and MIP-1A genes do not play a substantial role in genetic predis-position for sarcoidosis or in clinical manifestations of sarcoidosis in this Japanese population. The MCP-1 SNP might be related to the recruitment of monocytes/macrophages to the alveolar spaces in sarcoidosis.(Internal Medicine 41: 813-818, 2002)
- 社団法人 日本内科学会の論文
著者
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TAKADA Toshinori
the Department of Medicine (II), Niigata University School of Medicine
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Omori Kentaro
The Division Of Respiratory Medicine Graduate School Of Medical And Dental Sciences Niigata Universi
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Morohashi Kazuaki
The Division Of Respiratory Medicine Graduate School Of Medical And Dental Sciences Niigata Universi
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Gejyo Fumitake
The Department Of Medicine (ii) Niigata University School Of Medicine
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Suzuki Eiichi
The Department Of Homeostatic Regulation And Development Graduate School Of Medical And Dental Scien
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GEJYO Fumitake
The Division of Respiratory Medicine, Graduate School of Medical and Dental Sciences, Niigata University
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MOROHASHI Kazuaki
The Division of Respiratory Medicine, Graduate School of Medical and Dental Sciences, Niigata University
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TAKADA Toshinori
The Division of Respiratory Medicine, Graduate School of Medical and Dental Sciences, Niigata University
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SUZUKI Eiichi
The Division of Respiratory Medicine, Graduate School of Medical and Dental Sciences, Niigata University
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