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Updated: Feb 20, 2026
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High-Throughput Cellular Profiling of Targeted Protein Degradation Compounds Using HiBiT CRISPR Cell Lines
Published on: November 9, 2020
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Bridged PROTAC, PROTAC basado en ADN y tecnologías de etiquetas hidrofóbicas para la degradación de proteínas
Pengcheng Gao1, Yue Zhong1, Kaixiu Luo1
1Mount Sinai Center for Therapeutics Discovery, Departments of Pharmacological Science, Oncological Science and Neuroscience, Mount Sinai Tisch Cancer Center, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
Advanced drug delivery reviews
|February 18, 2026
Resumen
Los quimeras de direccionamiento de proteólisis (PROTAC) ofrecen un enfoque terapéutico novedoso al degradar proteínas diana a través del sistema ubiquitina-proteasoma. Las nuevas tecnologías PROTAC amplían el rango de enfermedades tratables al dirigirse a proteínas previamente intratables.
Área de la Ciencia:
- Bioquímica; Biología Molecular; Descubrimiento de Fármacos
Sus antecedentes:
- Los quimeras de direccionamiento de proteólisis (PROTAC) aprovechan el sistema ubiquitina-proteasoma para la degradación de proteínas dirigida (TPD).; Los PROTAC degradan catalíticamente las proteínas diana, ofreciendo una ventaja distinta sobre los inhibidores tradicionales.; La tecnología PROTAC ha mostrado un potencial terapéutico significativo, con muchos candidatos en desarrollo clínico.
Objetivo del estudio:
- Abordar las limitaciones de los PROTAC clásicos que dependen de aglutinantes específicos para las proteínas de interés y las ligasas E3.; Presentar y discutir estrategias innovadoras que amplían el alcance de las proteínas diana para la TPD.; Destacar los avances en la tecnología PROTAC para aplicaciones terapéuticas más amplias.
Principales métodos:
- Desarrollo de PROTAC puenteados que utilizan interacciones proteína-proteína endógenas.; Diseño de PROTAC basados en ADN (TF-PROTAC) para degradar factores de transcripción que carecen de sitios de unión a moléculas pequeñas.; Implementación de degradadores basados en etiquetas hidrofóbicas (HyT) para inducir el mal plegamiento y la degradación de proteínas.
Principales resultados:
- Los PROTAC puenteados permiten dirigirse a proteínas 'intratables' y a ligasas E3 poco exploradas.; Los TF-PROTAC degradan eficazmente los factores de transcripción, ampliando la TPD a dianas previamente inaccesibles.; Los HyT ofrecen potencial para la biodisponibilidad oral y la degradación de dianas a través del mal plegamiento de proteínas.
Conclusiones:
- Las estrategias innovadoras de PROTAC amplían significativamente el rango de proteínas diana.; Estos avances representan un gran paso adelante en el campo de la degradación de proteínas dirigida.; Las capacidades ampliadas de los PROTAC prometen mejorar el descubrimiento terapéutico para diversas enfermedades.
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