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iFGF23:cFGF23比は,急性腎疾患と慢性腎疾患を区別するための疑わしい診断マーカーである
Joanna Szczykowska-Miller1, Tomasz Hryszko2, Ewa Koc-Żórawska2
11st Department of Nephrology, Transplantation and Internal Medicine with Dialysis Unit, Medical University of Bialystok, ul. Zurawia 14, 15-540 Bialystok, Poland.
International journal of molecular sciences
|August 28, 2025
まとめ
整体とC末端のFGF23 (iFGF23:cFGF23) の比率は,急性腎損傷 (AKI) と慢性腎疾患 (CKD) を区別するのに役立ちます. しかし,この比率はAKIとCKDを他の要因で調整した後に区別するための信頼できる独立したマーカーではありません.
科学分野:
- 腎臓科
- 生物化学
- 臨床診断
背景:
- FGF23の上昇は,腎臓機能不全において一般的です.
- AKIとCKDのFGF23分裂が増加し,iFGF23:cFGF23比率が低下したと推測されています.
- AKIとCKDを区別するための比率の診断有用性に関する限られたデータ.
研究 の 目的:
- AKIとCKDの区別におけるiFGF23:cFGF23比の診断有用性を調査する.
- AKIとCKDの間でFGF23の割れ方パターンが異なるかどうかを評価する.
- iFGF23:cFGF23比がAKIとCKDの独立したマーカーであるかどうかを判断する.
主な方法:
- 血清クレアチニンの異常を有する173人の患者で実施された単一センターコホート研究.
- 入院後24時間以内にELISAを用いて完結したFGF23とC末端のFGF23を測定した.
- iFGF23:cFGF23の比率は,二重に強固な調整による一般的推定方程式を用いて分析された.
主要な成果:
- 調整されていない分析では,AKIとCKDの間で,より高いcFGF23と低いiFGF23の比率を示した (p=0. 021,p=0. 017).
- iFGF23濃度の有意な差は認められなかった.
- コバリアートに対する多変量調整により,差異は非有意 (p > 0. 5) であり,ROC分析ではわずかな差異が認められた (AUC=0. 60).
結論:
- iFGF23:cFGF23比は,AKIとCKDを区別するための信頼できる独立したマーカーではありません.
- 観察されたFGF23の差異は,腎臓損傷のタイプではなく,ミネラル代謝と炎症によって引き起こされる可能性が高い.
- この比率は,AKIとCKDの独立したバイオマーカーとして,臨床的有用性が限られている.
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