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Transcription factors regulate signals, by turning them on or off, using phosphorylation, a mechanism that changes the action of a protein through the addition of a phosphate molecule.
In serious diseases, including cancer, it is common for there to be abnormalities in phosphorylation reactions, which are chemical reactions that occur between proteins.
(2) TGF-[beta] signaling commences when the TGF-[beta] dimmer binds to T[beta]RII, which leads to T[beta]RI phosphorylation and activation.
Site-specific phosphorylation of the NF-[kappa]B p65 subunit leads to the selective transcription of downstream proinflammatory genes [18].
It can also be activated by altered expression of p110d or phosphorylation of PTEN of pathway components and microenvironmental signals including chemokines and adhesion molecules [13, 14].
Inhibiting MLCP while activating MYLK generates greater force by further increasing MYL9 phosphorylation [6].
On the other hand, mTORC1-mediated phosphorylation of 4EBP1 causes the release of eIF4E from 4EBP1, allowing eIF4E-eIF4G association and cap-dependent translation [7].
While CaMKII appears to have multiple functions in synaptic plasticity, phosphorylation of GluA1 receptors to regulate their trafficking and signaling appears to be critical for LTP [7].
Studies indicate that ion channel activity is dependent on the phosphorylation status of the channel, and that tyrosine phosphorylation, in lieu of serine or threonine phosphorylation, is essential in regulating channel activity (20,21).
In contrast to normal differentiated cells, which rely primarily on mitochondrial oxidative phosphorylation to generate the energy needed for cellular processes, most cancer cells instead rely on aerobic glycolysis.

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