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Updated: Sep 9, 2025

Quantification of Orofacial Phenotypes in Xenopus
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AOP 460: スムージド受容体の対抗性により,オロファシアル・クリフティング

Jacob I Reynolds1, Brian P Johnson1,2

  • 1Department of Biomedical Engineering, Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI, USA.

ALTEX
|September 5, 2025
PubMed
まとめ
この要約は機械生成です。

ソニック・ヘッジホッグ (SHH) 経路の障害,特にスムージド (SMO) 反抗は,オロファシアル・クラフト (OFC) に関連しています. この有害な結果の経路 (AOP 460) は,胚の発達中の化学物質被曝によるリスクを強調しています.

キーワード:
不良結果の経路 (AOP)新しいアプローチ方法 (NAM)顔の裂け方滑らかな受容体ソニック・ヘッジホッグ

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科学分野:

  • 発達生物学
  • 毒理学について
  • 遺伝学

背景:

  • ソニック・ヘッジホッグ (SHH) 信号経路は,胚の発達,特にオロファシアル形態変異に不可欠です.
  • スムージド (SMO) 反抗症などのSHH経路の障害は,発達異常につながる可能性があります.
  • Orofacial clefts (OFCs) は,発達毒理学における重要な懸念事項である.

研究 の 目的:

  • SMO対抗性をOFCと結びつける有害結果経路 (AOP) 460を記述する.
  • SMOアンタゴニストとその発達効果を特定する.
  • OFCを誘発するSMOの対抗性の証拠と,人間に対するその関連性を評価する.

主な方法:

  • AOPを確立するための文献レビューとデータ合成.
  • 主にマウスモデルを用いた既存の研究の分析
  • 投与量と反応の関係と重大な曝露の窓の評価

主要な成果:

  • AOP 460は,SMO対抗性からOFCへの因果連鎖を詳細に説明しています.
  • 環境化学物質を含む複数のSMOアンタゴニストが特定されています.
  • 強力な証拠は,SMOアンタゴニズムとOFC発生率の間の用量依存関係を支持する.

結論:

  • SMOアンタゴニズムはOFCの検証された原因です.
  • 確立されたAOPは,保存された発達経路のためにヒトのリスク評価に係る.
  • 新しいアプローチの方法論 (NAM) は,この経路の重要な出来事を監視することができます.