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  Česky / Czech version Čas. Lék. čes., 138, 1999, No. 24, p. 739-743.
 
Clinical Consequence of CBP Gene Mutation 
Šmardová J., 1 Šmarda J. 

 


Summary:

       Gene CBP codes for a transcriptional coactivator, which can interact with many transcriptional factors. It modifies the process of transcription stimulated by these factors by specific binding to RNA polymerase II holoenzyme or by histone acetylation. CBP gene mutation is the molecular cause of autosomal dominant genetic disease called Rubinstein-Taybi syndrome that is manifested by mental and growth retardations, by typical face malformations and broad thumbs and broad big toes. The CBP gene can be affected by the t(8;16)(p11;p13.3) translocation resulting in production of the MOZ/CBP chimeric protein and in induction of acute myeloblastic leukaemia. Therapy using topoisomerase II inhibitors can induce the t(11;16)(q23;13.3) translocation causing acute myeloid or lymphoid leukaemia or myelodysplasia through production of the MLL/CBP protein chimera.

        Key words: CBP, Rubinstein-Taybi syndrome, leukaemia, t(8;16), t(11;16).
       

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