The Ets family transcription factor PU.1 and the interferon regulatory factor (IRF)4 and IRF8 regulate gene expression by binding to composite DNA sequences known as Ets/interferon consensus elements.

"It tasted like rotten compost," recalls Max Falkowitz, executive digital editor of the food and wine magazine Saveur, of the time in college he sipped one of the most sought-after teas in the world.

Pu-erh tea is consumed as a beverage in some parts of the world, especially southwestern China and Taiwan. As medicine, there isn't enough reliable information to know what an appropriate dose of ...