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Hedgehog Signaling Pathway02:33

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The Hedgehog gene (Hh) was first discovered due to its control of the growth of disorganized, hair-like bristles phenotype in Drosophila, much like hedgehog spines. Hh plays a crucial role in the development of organs and the maintenance of homeostasis in both invertebrates and vertebrates. However, while Drosophila has only one Hh protein, mammals have multiple functional Hedgehog proteins - Sonic (Shh), Desert (Dhh), and Indian Hedgehog (Ihh). All of these homologous proteins have adapted to...
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Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
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Membrane lipids such as phosphatidylinositol (PI) are precursors for several membrane-bound and soluble second messengers. Specific kinases phosphorylate PI and produce phosphorylated inositol phospholipids. One such inositol phospholipids are the  phosphatidylinositol-4,5 bisphosphate [PI(4,5)P2], present in the inner half of the lipid bilayer. Upon ligand binding, GPCR stimulates Gq proteins to turn on phospholipase Cꞵ. Activated phospholipase Cꞵ cleaves PI(4,5)P2 and...
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ヘッジホッグ経路の阻害

Aleksandar Sekulic1, Daniel Von Hoff2

  • 1Department of Dermatology, Mayo Clinic, Scottsdale, AZ 85259, USA.

Cell
|February 27, 2016
PubMed
まとめ
この要約は機械生成です。

(Hh) 信号伝達経路は,基礎細胞癌 (BCC) で極めて重要です. ビジモデジブとソニデジブのような標的治療はスムートネッド (SMO) を阻害し,先進的なBCCに対して承認されています.

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科学分野:

  • 腫瘍学
  • 分子生物学
  • 皮膚科

背景:

  • エジホッグ (Hh) 信号経路の異常な活性化は,基礎細胞癌 (BCC) の特徴である.
  • この経路はBCCの発達と進行において重要な役割を果たします.
  • Hh経路の異常を理解することは 効果的な治療法の開発の鍵です

研究 の 目的:

  • 基礎細胞癌 (BCC) のシグナル伝達経路 (Hh) の役割を検討する.
  • Smoothened (SMO) 阻害剤の作用メカニズムについて説明する.
  • 承認されたSMO阻害剤のBCC治療における臨床応用を強調する.

主な方法:

  • BCCにおけるヘッジホッグ信号に関する研究の文献レビュー.
  • SMO阻害剤の臨床試験データの分析
  • BCC療法に対する規制当局の承認のレビュー

主要な成果:

  • ヘッジホッグ (Hh) 信号経路は,基礎細胞癌 (BCC) で頻繁に過剰に活性化されます.
  • Vismodegibとsonidegibは,Hh経路の重要な構成要素であるSMOを阻害する標的療法です.
  • 局所的に進行したBCC (laBCC) の治療には,ヴィスマデギブとソネデギブの両方が承認されています.

結論:

  • エジホッグ (Hh) 経路のスムージド (SMO) コンポーネントの標的型阻害は,基礎細胞癌 (BCC) 治療の効果的な戦略です.
  • 局所発症および転移したBCCの管理において,ヴィスマデジブとソネデジブは重要な進歩を示しています.
  • Hh経路阻害剤に関する継続的な研究は,BCC患者のさらなる治療選択肢を提供することができる.