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リウマチ性疾患患者の滑液および血清中のインターロイキン-6(IL-6)
Interleukin-6 (IL-6) in synovial fluid and serum of patients with rheumatic diseases.
PMID: 3266031 DOI: 10.3109/03009748809098809.
抄録
インターロイキン-6(IL-6)は多くの生物学的活性を持つモノカインであり、炎症反応と密接に関連している。我々は、リウマチ性疾患患者の滑液(SF)と血清(Se)中のIL-6レベルを測定した。その結果、SF-IL-6レベルは対応するSeレベルよりも1000倍も高く、SFとSeレベルの間には正の相関が見られた。また、IL-6のSeレベルはCRPレベルと正の相関を示し、IL-6が肝細胞を刺激してCRPを産生することを示すin vitro実験を支持した。最後に、SF-IL-6レベルと局所活動スコアとの間に正の相関が観察されました。
Interleukin-6 (IL-6) is a monokine with a number of biological activities, which are intimately related to inflammatory responses. We have measured IL-6 levels in synovial fluid (SF) and serum (Se) of patients with rheumatic diseases. SF-IL-6 levels were a thousand-fold higher than corresponding Se levels and a positive correlation was found between SF and Se levels suggesting that Se-IL-6 is derived from IL-6 produced in the joint. Se levels of IL-6 were also positively correlated to C-reactive protein (CRP) levels, supporting the in vitro experiments showing that IL-6 stimulates hepatocytes to produce CRP. Finally we observed a positive correlation between SF-IL-6 levels and the local activity score.