The Regulatory Capacity of Bivalent Genes—A Theoretical Approach
AbstractBivalent genes are frequently associated with developmental and lineage specification processes. Resolving their bivalency enables fast changes in their expression, which potentially can trigger cell fate decisions. Here, we provide a theoretical model of bivalency that allows for predictions on the occurrence, stability and regulatory capacity of this prominent modification state. We suggest that bivalency enables balanced gene expression heterogeneity that constitutes a prerequisite of robust lineage priming in somatic stem cells. Moreover, we demonstrate that interactions between the histone and DNA methylation machineries together with the proliferation activity control the stability of the bivalent state and can turn it into an unmodified state. We suggest that deregulation of these interactions underlies cell transformation processes as associated with acute myeloid leukemia (AML) and provide a model of AML blast formation following deregulation of the Ten-eleven Translocation (TET) pathway. View Full-Text
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Thalheim, T.; Herberg, M.; Loeffler, M.; Galle, J. The Regulatory Capacity of Bivalent Genes—A Theoretical Approach. Int. J. Mol. Sci. 2017, 18, 1069.
Thalheim T, Herberg M, Loeffler M, Galle J. The Regulatory Capacity of Bivalent Genes—A Theoretical Approach. International Journal of Molecular Sciences. 2017; 18(5):1069.Chicago/Turabian Style
Thalheim, Torsten; Herberg, Maria; Loeffler, Markus; Galle, Joerg. 2017. "The Regulatory Capacity of Bivalent Genes—A Theoretical Approach." Int. J. Mol. Sci. 18, no. 5: 1069.
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