News tagged with cytoplasmic dna

Built-in 'self-destruct timer' causes ultimate death of messenger RNA in cells

Researchers at Albert Einstein College of Medicine of Yeshiva University have discovered the first known mechanism by which cells control the survival of messenger RNA (mRNA) -- arguably biology's most important molecule. ...

Biology / Cell & Microbiology

created Dec 22, 2011 | popularity 5 / 5 (5) | comments 1 | with audio podcast

Researchers discover second protective role for tumor-suppressor

ATM, a protein that reacts to DNA damage by ordering repairs or the suicide of the defective cell, plays a similar, previously unknown role in response to oxidative damage outside of the nucleus, researchers report this week ...

Medicine & Health / Cancer

created Feb 18, 2010 | popularity 5 / 5 (2) | comments 0 | with audio podcast

New study overturns orthodoxy on how macrophages kill bacteria

For decades, microbiologists assumed that macrophages, immune cells that can engulf and poison bacteria and other pathogens, killed microbes by damaging their DNA. A new study from the University of Illinois ...

Biology / Cell & Microbiology

created Apr 27, 2009 | popularity 4.9 / 5 (9) | comments 0

Scientists discover a key protein regulator of inflammation and cell death

Reporting in the journal Nature, researchers led by Emad Alnemri, Ph.D., professor of Biochemistry and Molecular Biology in the Kimmel Cancer Center at Jefferson, discovered a key protein component involved in inflammation.

Biology /

created Jan 22, 2009 | popularity not rated yet | comments 0