Inhibiting protein–protein interactions in telomeres as an approach to cancer chemotherapyTools Salih, Twana (2016) Inhibiting protein–protein interactions in telomeres as an approach to cancer chemotherapy. PhD thesis, University of Nottingham.
AbstractStable telomeres play a key role to the survival of cancer cells; therefore, different cancer chemotherapeutic approaches have been developed in order to disrupt or destabilise telomeres or telomerase. One of the newest methods is the disruption of vital protein–protein interactions in the telomere, such as that between shelterin components TRF1 and TIN2. The principal aim of this project was to obtain a novel peptide-like molecule, an analogue of a key interacting region of TIN2 that could compete effectively for the binding sites on TRF1 and so lead to the destabilisation of telomere structure. Molecular modelling and simulations were undertaken as the starting point of the project. Structure-based drug design was applied, starting from the available crystal structure data. A library of peptide analogues of the TRF1-binding motif in TIN2 was designed using the MM-GBSA simulation method to predict binding affinities. Then, a number of the peptide analogues were selected from the library for further investigations.
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