SOX2 protein biochemistry in stemness, reprogramming, and cancer: the PI3K/AKT/SOX2 axis and beyond

Research of the past view years expanded our understanding of the various physiological functions the cell-fate determining transcription factor SOX2 exerts in ontogenesis, reprogramming, and cancer. However, while scientific reports featuring novel and exciting aspects of SOX2-driven biology are pu...

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Veröffentlicht in:Oncogene 2020-01, Vol.39 (2), p.278-292
Hauptverfasser: Schaefer, Thorsten, Lengerke, Claudia
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description Research of the past view years expanded our understanding of the various physiological functions the cell-fate determining transcription factor SOX2 exerts in ontogenesis, reprogramming, and cancer. However, while scientific reports featuring novel and exciting aspects of SOX2-driven biology are published in near weekly routine, investigations in the underlying protein-biochemical processes that transiently tailor SOX2 activity to situational demand are underrepresented and have not yet been comprehensively summarized. Largely unrecognizable to modern array or sequencing-based technology, various protein secondary modifications and concomitant function modulations have been reported for SOX2. The chemical modifications imposed onto SOX2 are inherently heterogeneous, comprising singular or clustered events of phosphorylation, methylation, acetylation, ubiquitination, SUMOylation, PARPylation, and O-glycosylation that reciprocally affect each other and critically impact SOX2 functionality, often in a tissue and species-specific manner. One recurring regulatory principle though is the canonical PI3K/AKT signaling axis to which SOX2 relates in various entangled, albeit not exclusive ways. Here we provide a comprehensive review of the current knowledge on SOX2 protein modifications, their proposed relationship to the PI3K/AKT pathway, and regulatory influence on SOX2 with regards to stemness, reprogramming, and cancer.
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subjects 1-Phosphatidylinositol 3-kinase
631/532
631/80/458
Acetylation
AKT protein
Apoptosis
Biochemistry
Cancer
Cell Biology
Cell Proliferation - genetics
Cellular Reprogramming
Development and progression
Elafin - genetics
Fulvestrant
Glycosylation
Human Genetics
Humans
Internal Medicine
Medicine
Medicine & Public Health
Methylation
Neoplasms - genetics
Neoplasms - pathology
Neoplastic Stem Cells - metabolism
Neoplastic Stem Cells - pathology
Oncogene Protein v-akt - genetics
Oncology
Phosphorylation
Protein Processing, Post-Translational - genetics
Proteins
Review
Review Article
Signal Transduction - genetics
Sox2 protein
SOXB1 Transcription Factors - genetics
SUMO protein
Ubiquitination
title SOX2 protein biochemistry in stemness, reprogramming, and cancer: the PI3K/AKT/SOX2 axis and beyond
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