Off And On By Touch.....

a: Transcription factor ~
b: light switch

What: "Transcription factors are like a light switch. They turn genes on and off. ELF5 makes breast cancer cells ignore estrogen. That means estrogen-blocking drugs don't work anymore."

Writer: Joseph V. Madia, MD
Where: Reference Link Has Evaporated
Date: May 15 2013 2:29 PM

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