Cited by 58Systemic Lupus Erythematosus ResearchGenetic Associations and EpidemiologySystemic Sclerosis and Related Diseases

Association of a functional polymorphism in the 3′-untranslated region of SPI1 with systemic lupus erythematosus

Hikami, Koki, Kawasaki, Aya, Ito, Ikue, Koga, Minori, Ito, Satoshi, Hayashi, Taichi, Matsumoto, Isao, Tsutsumi, Akito +6 more·2011·Arthritis & Rheumatism

Abstract

OBJECTIVE: SPI1, also referred to as PU.1, is an Ets family transcription factor that interacts with IRF2, IRF4, and IRF8. In view of the significance of the type I interferon pathway in systemic lupus erythematosus (SLE), this study was undertaken to investigate a possible association between SPI1 polymorphisms and SLE. METHODS: A case-control association study was performed using 6 tag single-nucleotide polymorphisms (SNPs), as well as a SNP located upstream of SPI1 previously found to be associated with acute myelogenous leukemia, in 400 Japanese patients with SLE and 450 healthy controls. Resequencing of all exons and known regulatory regions was performed to identify functional polymorphisms. Association of genotype and SPI1 expression was examined using the GENEVAR database and reporter assays. RESULTS: A significant association was detected in 2 SNPs in intron 2 (rs10769258 and rs4752829) (P = 0.005 and P = 0.008, respectively, under the dominant model). The association was stronger in patients with nephropathy. Resequencing identified a potentially functional polymorphism in the 3'-untranslated region (3'-UTR), rs1057233, which was in strong linkage disequilibrium with the SNPs in intron 2. The number of risk alleles at rs1057233 was strongly correlated with SPI1 messenger RNA (mRNA) level in the database analysis (P = 0.0002), and was confirmed by a reporter assay. Interestingly, rs1057233 alters a target sequence for microRNA hsa-miR-569 (miR-569). Transfection experiments demonstrated that miR-569 inhibits expression of a reporter construct with the 3'-UTR sequence containing the nonrisk allele but not the risk allele. CONCLUSION: Our findings indicate that a SNP in the 3'-UTR of SPI1 is associated with elevated SPI1 mRNA level and with susceptibility to SLE.

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Crossref · 10.1002/art.30188

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Authors
Hikami, K., Kawasaki, A., Ito, I., Koga, M., Ito, S., Hayashi, T., Matsumoto, I., Tsutsumi, A., Kusaoi, M., Takasaki, Y., Hashimoto, H., Arinami, T., Sumida, T., & Tsuchiya, N.
Affiliations
  • University of Tsukuba (JP)
  • Juntendo University (JP)
Venue
Arthritis & Rheumatism
Publisher
Wiley
Published
2011-02-25
Volume
63
Issue
3
Pages
755-763
ISSN
0004-3591 (ISSN-L)
OpenAlex
W2042023916
Cited by
58
References
48
Citations by year
2026: 1 · 2025: 6 · 2024: 1 · 2023: 1 · 2022: 9 · 2021: 2 · 2020: 3 · 2019: 1 · 2018: 2 · 2017: 3 · 2016: 2 · 2015: 7 · 2014: 8 · 2013: 5 · 2012: 5
FWCI
2.68
Type
journal article
Language
en
Open access
closed
Locations
  • Arthritis & Rheumatism (publishedVersion)
  • PubMed (publishedVersion)
Funders
Japan Society for the Promotion of Science (21591260, 22390199)
Topics
  • Health Sciences › Medicine › Rheumatology › Systemic Lupus Erythematosus Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Systemic Sclerosis and Related Diseases
Keywords
systemic lupus erythematosus, PU.1, 3' untranslated region, single nucleotide polymorphisms, genetic susceptibility, miRNA target genes, mRNA expression, kidney disease, type I interferon pathway, ETS transcription factors, Japanese patients
MeSH terms
Proto-Oncogene Protein Spi-1, Adult, Female, Genotype, Humans, Lupus Erythematosus, Systemic, Male, Middle Aged, Proto-Oncogene Proteins, Risk Factors, Transfection, Trans-Activators, Linkage Disequilibrium, Genes, Reporter, Genetic Predisposition to Disease, 3' Untranslated Regions, Polymorphism, Single Nucleotide, MicroRNAs, Asian People, Young Adult

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