Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Transcription factor
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Transcription factor: A protein that controls when genes are switched on or off -- whether genes are transcribed or not. Transcription factors bind to regulatory regions in the genome and help control gene expression.
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