The cytokines IFN-? and IL-12, along with the transcription factors STAT4 and T-bet, are necessary for driving TH1 development. Fresh data now indicate that the transcription factor IRF1 is also essential in this process.
AFP - At least 18 people were killed and 22 injured on Saturday when dozens of homes in northern Cairo collapsed after being hit by a massive rockslide, Egyptian emergency services said.