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Updated: Feb 26, 2026

siRNA Screening to Identify Ubiquitin and Ubiquitin-like System Regulators of Biological Pathways in Cultured Mammalian Cells
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From molecular logic to therapeutic modulation: advances in Ub/UBL signalling
Benjamin M Foster1, Chiara Maniaci2
1Manchester Cancer Research Centre (MCRC), Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, 555 Wilmslow Road, Manchester M20 4GJ, U.K.
Ubiquitin (Ub) and ubiquitin-like proteins (UBLs) regulate cell signaling in processes like DNA repair and immune defense. Advances reveal their versatile roles and therapeutic potential in targeted protein degradation and disease.
Area of Science:
- Molecular Biology
- Cellular Signaling
- Biochemistry
Background:
- Ubiquitin (Ub) and ubiquitin-like proteins (UBLs) are crucial for cellular processes including proteasomal degradation, immune defense, DNA repair, autophagy, and stress response.
- These proteins share a conserved β-grasp fold, enabling versatile roles in diverse signaling pathways and disease contexts.
- Complex regulatory systems involving conjugation (E1-E2-E3 enzymes) and removal (proteases) generate a rich signaling code, further diversified by chain topology and non-canonical modifications.
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