糖尿病患者の自己免疫は,インスリンホルモンによる汚染物質によって引き起こされる
Lancet (London, England)
|January 6, 1979
まとめ
従来のインスリンには,臓ホルモンが含まれており,多くのインスリン依存型糖尿病において,高親和性抗体が形成されます. これらのイアトロゲン抗体は,臓の細胞と神経を標的とし,糖尿病の長期的な治療に懸念を喚起しています.
科学分野:
- エンドクリノロジー エンドクリノロジー
- 免疫学 免疫学とは
- 糖尿病学 糖尿病学
背景:
- 商用インスリン製剤には,臓ポリペプチド (P.P.P.) のような汚染物質が含まれていることが多い. ),血管活性腸ペプチド (V.I.P. ) とソマトスタチン.
- これらの汚染物質は,高度に精製されたインスリンや単成分インスリンにはほとんど存在しません.
研究 の 目的:
- インスリン依存型糖尿病患者の臓ホルモンに対する抗体の存在を調査する.
- 従来のインスリン使用とイアトロゲン性自己免疫性の発症との関連を特定する.
主な方法:
- インスリン依存型糖尿病患者,成熟期糖尿病患者,健康な対照群,単成分インスリンを服用している患者における循環抗体の分析.
- ホルモン産生細胞や神経に対する抗体特異性を評価するための免疫細胞化学検査.
主要な成果:
- 従来のインスリンを服用しているインスリン依存型糖尿病患者の63%がPPに対する抗体を持ち,VIP,グルカゴン,ソマトスタチンに対する抗体が低い割合であった.
- 抗体は高い親和性を持ち,若い糖尿病患者でより一般的でした.
- コントロール群や単成分インスリンを投与した患者では抗体が検出されず,イアトロゲン性の原因が示唆された.
結論:
- 従来のインスリン使用は,インスリン依存型糖尿病患者のイアトロゲン性自己免疫を誘発する可能性があります.
- これらの抗体の存在は,従来のインスリン療法の長期的な影響について重要な疑問を投げかけます.
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