Embryonic development transcription factors

Zhao C, Meng A. 2005. Sp 1 -like transcription factors are regulators of embryonic development. Develop Growth Differ 47 201-211. 

Sox4 a member of the SOX (SRY-related HMG-box) family of transcription factors involved in the regulation of embryonic development and in the determination of the cell fate. The encoded protein may act as a transcriptional regulator after forming a protein complex with other proteins, such as syndecan binding protein (syntenin). The protein may also function in the apoptosis pathway leading to cell death as well as to tumorigenesis and may mediate downstream effects of parathyroid hormone (PTH) and PTH-related protein (PTHrP) in bone development. 

Several projects and consortia were established in order to solve the above-mentioned problems, e.g., the Micro Array Quality Control (MAQC) project, led by US FDA, which main goal is to assess microarray study variability and to develop standards and quality measures for transcriptomics data [50, 51], Another research project, the human embryonic stem cell-derived novel alternative test systems (ESNATS) recently published a paper to address similar questions using human embryonic stem cell-based in vitro test systems for reproductive toxicity by transcriptomics analysis [52], The strong aspect of this study, that it transparently presents difficulties, such as batch effects, and provides analysis strategies including overrepresented transcription factors. It can be used as basis for further development of reproductive toxicity assays based on transcriptomics analysis. 

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