Keisuke Hagiwara

Osaka Prefectural Medical Center for Respiratory and Allergic Diseases, Ōsaka, Ōsaka, Japan

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Publications (1)2.28 Total impact

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    ABSTRACT: We previously demonstrated a significant association between IL-18 gene polymorphism 105A/C and asthma. In this study, we investigated the relationship of IL-18 gene polymorphism to IL-18 production capability by monocytes. The frequency of gene polymorphisms including IL-18-105A/C and IL-18--137G/C was determined by PCR analyses. The IL-18 production by monocytes stimulated without or with LPS or A23187+PMA for 1day was measured by ELISA. The produced IL-18 spontaneously or in response to A23187+PMA by monocytes was significantly higher for volunteers with 105A/A genotype than with 105A/C genotype. Similarly, the production capability of IL-18 by monocytes from volunteers with -137G/G genotype was significantly higher than that with -137G/C genotype and significant linkage disequilibrium was observed between 105A/C and -137G/C polymorphism. Thus, the genetic capacity to produce more IL-18 in response to stimuli may affect the onset of asthma.
    Biochemical and Biophysical Research Communications 05/2006; 342(4):1413-6. DOI:10.1016/j.bbrc.2006.02.096 · 2.28 Impact Factor

Publication Stats

56 Citations
2.28 Total Impact Points

Institutions

  • 2006
    • Osaka Prefectural Medical Center for Respiratory and Allergic Diseases
      Ōsaka, Ōsaka, Japan