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Genetic and Epigenetic Regulation of Phosphoinositide 3-kinase Isoforms

[ Vol. 19 , Issue. 4 ]


Chanse Fyffe, Richard Buus and Marco Falasca   Pages 680 - 686 ( 7 )


The last quarter of a century has witnessed remarkable progress in the understanding of phosphoinositide 3-kinases (PI3K) signalling and their involvement in different diseases such as cancer, diabetes and inflammation. Nevertheless, many questions remain open and among these the role of genetic and epigenetic regulation of PI3K isoforms is one of the most prominent. Emerging evidence Indicates that levels of isoforms can be modulated upon stimulation or in both physiological and pathological conditions including increased gene copy number and transcription regulation. In addition, an intriguing role for epigenetic regulation of PI3K expression, caused by mechanisms other than changes in the underlying DNA sequence, are starting to get appreciated. In this review, we summarize the genetic and epigenetic regulation of PI3Ks in physiology and the role played by their alterations in different diseases.


PI3K, genetic, epigenetic, cancer, SNP, mutations, regulation


Marco Falasca, Inositide Signalling Group, Centre for Diabetes, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, 4Newark Street, London E1 2AT, UK.

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