Common functional polymorphisms in the cathepsin S promoter in Japanese subjects

Possible contribution to pulmonary emphysema

Naoto Minematsu, Hidetoshi Nakamura, Momoyo Furuuchi, Takahiro Nakajima, Saeko Takahashi, Shuko Tsujimura, Hiroki Tateno, Akitoshi Ishizaka

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Background and objective: Cathepsin S is involved in the pathogenesis of COPD in murine models overexpressing interferon (IFN)-γ and IL-13. It is widely accepted that genetic factors partly influence susceptibility to COPD; however, the association of genetic polymorphisms in the cathepsin S gene with COPD has not been reported previously. In this study, functional polymorphisms in the 5′-flanking region of the human cathepsin S gene were identified and their association with COPD phenotypes was investigated. Methods: Genetic polymorphisms were detected by single strand conformation polymorphism analysis and direct sequencing. Genotypes and haplotypes were determined using amplification refractory mutation systems and single strand conformation polymorphism analysis. A promoter-reporter assay was used to compare transcriptional activities between the haplotypes on stimulation with IFN-γ. Haplotype analysis was performed on 204 smoking and 104 non-smoking Japanese subjects. Results: Four novel polymorphisms were detected in the 5′-flanking region and three major haplotypes were identified. The haplotypes were associated with distinct promoter activities on stimulation with IFN-γ and there was a trend indicating that higher transcriptional activity was linked to less pulmonary emphysema. Conclusion: Novel functional polymorphisms were identified in the cathepsin S gene, which has a possible association with pulmonary emphysema in the Japanese population.

Original languageEnglish
Pages (from-to)498-504
Number of pages7
JournalRespirology
Volume13
Issue number4
DOIs
Publication statusPublished - 2008 Jun

Fingerprint

cathepsin S
Pulmonary Emphysema
Haplotypes
Chronic Obstructive Pulmonary Disease
Interferons
5' Flanking Region
Genetic Polymorphisms
Genes
Interleukin-13
Smoking
Genotype
Phenotype
Mutation

Keywords

  • Association study
  • Cathepsin S
  • Genetic polymorphism
  • Haplotype analysis
  • Reporter assay

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

Cite this

Minematsu, N., Nakamura, H., Furuuchi, M., Nakajima, T., Takahashi, S., Tsujimura, S., ... Ishizaka, A. (2008). Common functional polymorphisms in the cathepsin S promoter in Japanese subjects: Possible contribution to pulmonary emphysema. Respirology, 13(4), 498-504. https://doi.org/10.1111/j.1440-1843.2008.01280.x

Common functional polymorphisms in the cathepsin S promoter in Japanese subjects : Possible contribution to pulmonary emphysema. / Minematsu, Naoto; Nakamura, Hidetoshi; Furuuchi, Momoyo; Nakajima, Takahiro; Takahashi, Saeko; Tsujimura, Shuko; Tateno, Hiroki; Ishizaka, Akitoshi.

In: Respirology, Vol. 13, No. 4, 06.2008, p. 498-504.

Research output: Contribution to journalArticle

Minematsu, N, Nakamura, H, Furuuchi, M, Nakajima, T, Takahashi, S, Tsujimura, S, Tateno, H & Ishizaka, A 2008, 'Common functional polymorphisms in the cathepsin S promoter in Japanese subjects: Possible contribution to pulmonary emphysema', Respirology, vol. 13, no. 4, pp. 498-504. https://doi.org/10.1111/j.1440-1843.2008.01280.x
Minematsu, Naoto ; Nakamura, Hidetoshi ; Furuuchi, Momoyo ; Nakajima, Takahiro ; Takahashi, Saeko ; Tsujimura, Shuko ; Tateno, Hiroki ; Ishizaka, Akitoshi. / Common functional polymorphisms in the cathepsin S promoter in Japanese subjects : Possible contribution to pulmonary emphysema. In: Respirology. 2008 ; Vol. 13, No. 4. pp. 498-504.
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