TUG1とmiR-145は潜在的バイオマーカーとして,甲状腺機能低下症と心血管疾患のリスクを関連付けています
Tarek K Motawi1, Olfat G Shaker2, Haidy Saied3
1Biochemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
Clinical biochemistry
|February 21, 2026
まとめ
長い非コーディングRNAのTUG1は甲状腺機能低下症の患者で上昇し,マイクロRNA145は明らかな症例では減少しています. これらのエピジェネティック要因であるTUG1とmiR-145は,心血管の健康に影響を与え,甲状腺機能低下症のバイオマーカーとして機能します.
科学分野:
- 分子生物学は分子生物学である.
- エピジェネティクス エピジェネティクス
- エンドクリノロジー エンドクリノロジー
背景:
- RNAベースの表遺伝子の改変は慢性疾患と関連しています.
- 長いノンコーディングRNA (lncRNAs) とマイクロRNA (miRNAs) は,細胞プロセスにおいて役割を果たします.
- 甲状腺機能低下症は,心血管疾患のリスクの増加と関連しています.
研究 の 目的:
- 甲状腺機能低下症におけるlncRNA TUG1とmiR-145の役割を調査する.
- 甲状腺機能低下患者の心血管合併症への影響を評価する.
- 診断および予後バイオマーカーとしての潜在能力を探求する.
主な方法:
- TUG1とmiR-145の血清濃度は,露出した甲状腺機能低下症 (OHT),下臨床的甲状腺機能低下症 (SHT),および健康な対照群で測定されました.
- 臨床検査と生化学検査 (脂質,グルコース,HbA1c) を実施しました.
- 内皮機能は,フローメディエート血管拡張を用いて評価されました.
主要な成果:
- TUG1レベルは,対照群と比較して,OHTおよびSHT患者において有意に高かった.
- miR-145は,対照群とSHT患者と比較して,OHT患者でダウンレギュレーションされた.
- TUG1は脂質と内皮機能不全と正の相関関係があり,HDLと負の相関関係があり,miR-145は逆相関関係を示した. TUG1とmiR-145.5の間に負の相関が認められた.
結論:
- TUG1は,甲状腺機能低下症の診断マーカーとして役立つ可能性があります.
- miR-145は,サブクリニック患者における甲状腺機能低下症の進行を予測することができる.
- TUG1/miR-145軸は,脂質プロファイルと内皮機能に影響することによって,甲状腺機能低下症の進行と心血管疾患の発生に影響を与える可能性があります.
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