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• n  (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription

• They also found an activator in the blood plasma which enabled renin to work.
• FDA Commissioner Frank Young announced that the agency had approved the use of tissue plasminogen activator, or t-PA, as an emergency treatment for heart attacks.
• In addition, patients who breathed the exhaust showed a drop in blood levels of the protein t-PA, or tissue plasminogen activator, which inhibits the formation of blood clots that .

• inhibitor

News & Articles

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• So-Cal Horror Rocker Characula's Monster Power Extends to the 2013 Hollywood Music in Media Awards With the Nomination ...
  The Multi-Talented Performer's Fiery Take on Bad Company's Classic Is in the Top 50 on the Mediabase Activator Chart, Keeping Close Company With Rihanna, David Guetta, American Idol Phillip Phillips and The Goo Goo Dolls
  June 21, 2013 - Marketwire
• Debbie Little at Yonkers
  Post Time: 7:10 p.m. Best Bet: Activator (8th) FIRST: Mile pace; $11,000; claiming 4 Outa My Head (BSears) 2-3-3 5-1 7 KidCourageousA (LStalbam) 1-7-6 8-5 1 Alloveramerica (GBrennan) 5-3-4 6-1 2 Tugboat (MMacDonald) 5-3-6 5-1 3 One ToughHombre (Bartlett) 6-7-7 4-1 5 JoPa'sWildCard (JPantalean) 8-6-7 20-1...
  June 20, 2013 - New York Post

Quotes

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• David Sinclair in Business Wire (press release)
  This work is significant because it shows that a SIRT1 activator can protect against neurodegeneration, highlighting the therapeutic potential of SIRT1 activators,said David Sinclair.
• Jack McCann in San Diego Union Tribune
  Look at what Petco Park has done for downtown San Diego,McCann said. "A stadium could be a great activator for economic growth."