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Structures of Human Transglutaminase 2: Finding Clues for Interference in Cross-linking Mediated Activity
1College of Pharmacy, Chung-Ang University, Seoul 06974, Korea.
Abstract:
Human transglutaminase 2 (TGase2) has various functions, including roles in various cellular processes such as apoptosis, development, differentiation, wound healing, and angiogenesis, and is linked to many diseases such as cancer. Although TGase2 has been considered an optimized drug target for the treatment of cancer, fibrosis, and neurodegenerative disorders, it has been difficult to generate TGase2-targeted drugs for clinical use because of the relatively flat and broad active site on TGase2. To design more specific and powerful inhibitors, detailed structural information about TGase2 complexed with various effector and inhibitor molecules is required. In this review, we summarized the current structural studies on TGase2, which will aid in designing drugs that can overcome the aforementioned limitations.
Insights
Human transglutaminase 2 (TGase2) is a drug target for cancer and other diseases. Structural studies of TGase2 are needed to design effective inhibitors due to its challenging active site for drug development.
Area of Science:
- Biochemistry
- Molecular Biology
- Drug Discovery
Background:
- Human transglutaminase 2 (TGase2) plays key roles in cellular processes like apoptosis, development, and wound healing.
- TGase2 is implicated in diseases including cancer, fibrosis, and neurodegenerative disorders, making it a potential drug target.
- Developing TGase2-targeted drugs is challenging due to the enzyme's broad and flat active site.
Purpose of the Study:
- To review current structural studies of TGase2.
- To provide insights for designing more specific and potent TGase2 inhibitors.
- To facilitate the development of TGase2-targeted therapies.
Main Methods:
- Literature review of structural studies on TGase2.
- Analysis of TGase2 complex structures with effector and inhibitor molecules.
- Synthesis of structural information to guide drug design.
Main Results:
- Summarized existing structural data of TGase2.
- Highlighted the structural features contributing to the difficulty in designing specific inhibitors.
- Identified areas where further structural information is crucial.
Conclusions:
- Detailed structural knowledge of TGase2 is essential for overcoming drug design limitations.
- This review provides a foundation for developing improved TGase2 inhibitors.
- Advancing TGase2-targeted therapies for various diseases is a key future direction.
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