Biology – Quantitative Biology – Tissues and Organs
Scientific paper
2008-04-20
Biology
Quantitative Biology
Tissues and Organs
17 pages, 6 figures
Scientific paper
Gradual transformation of the epidermal stem cells to corneocytes involves a chain of chronologically well-arranged events that mostly stimulated locally by their neighbors. Cell diversity that observed during the differentiation through the different epidermal cell layers included the consisted changes of cell shape, intercellular contacts and proliferation. However, the most dramatically these changes appeared at the molecular level through gene expression, catalysis and intraprotein interactions. The proposed review explains these changes by switching systemic transcription factors that unlike their counterparts those role is limited to a contribution to gene expression also prepare cells to the next step of differentiation via modification of the chromatin pattern . Since primary epidermal keratinocytes are one of the most easy available type of the stem cells, a better understanding of the epidermal differentiation will benefit the research in the other areas by a discovery of basic coordinating mechanisms that stand behind such distinct molecular events as cell signaling and gene expression, and formulate basic principles for a smart therapeutic correction of the metabolism.
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