The mutant proteins that cause polyglutamine disease bind CREB-binding protein (CBP), a key transcriptional co-activator for neuronal survival factors. This results in a loss of CBP-dependent transcription and may account for the neuronal degeneration associated with these diseases.
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McCampbell, A., Fischbeck, K. Polyglutamine and CBP: Fatal attraction?. Nat Med 7, 528–530 (2001). https://doi.org/10.1038/87842
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DOI: https://doi.org/10.1038/87842
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