Definition of transcription factor
: any of various proteins that bind to DNA and play a role in the regulation of gene expression by promoting transcription
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Recent Examples of transcription factor from the Web
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And although the activity of key transcription factor genes was similar in common cell types, the activity of other genes in some cell types differed more than the researchers expected between the two species.
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Adding seven transcription factors — proteins that switch on genes — the team then converted the IPSCs into immature HSC-like cells.
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The Weill Cornell researchers’ process was more direct: Four transcription factors prompted adult mouse endothelial cells, which line the inside of blood vessels, to turn into HSCs.
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Dasen and his colleagues also looked at a genetic transcription factor called Foxp1, located at the spinal cord in tetrapods.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'transcription factor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of transcription factor
1972
Medical Dictionary
transcription factor
medical Definition of transcription factor
: any of various proteins that bind to DNA and play a role in the regulation of gene expression by promoting transcription
Learn More about transcription factor
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Britannica.com: Encyclopedia article about transcription factor
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