A tumor's goal is simple: to grow, grow, grow, by making more cancer cells. But that often means growing so fast that the oxygen supply gets scarce, at which point cells within the tumor start to suffocate. Without oxygen, ...
Jun 25, 2018
0
118
Researchers at the RIKEN Brain Science Institute (BSI) have discovered a key mechanism responsible for selectively degrading aggregates of ubiquitinated proteins from the cell. Their findings indicate that the capture and ...
Nov 7, 2011
0
0
Reactive oxygen molecules, also known as "free radicals," are generally considered harmful. However as it now turns out, they control cellular processes, which are important for the brain's ability to adapt—at least in ...
Dec 4, 2020
0
580
Every cell and every organism ages sooner or later. But why is this so? Scientists at the German Cancer Research Center in Heidelberg have now discovered for the first time a protein that represents a central switching point ...
Jun 21, 2018
0
14
Some level of molecules linked to oxidative stress may be essential to health and development, according to new animal studies.
Jul 12, 2018
0
90
Examining brain damage that occurs when fetuses in the womb are deprived of oxygen, researchers at The Scripps Research Institute have discovered that damage does not occur randomly but is linked to the specific action of ...
Sep 1, 2011
1
0
It has long been known that cancer cells use nutrients differently than normal cells. In recent years, the rapidly reemerging field of cancer metabolism has shed new light on the ways that cancers use glucose to grow and ...
Nov 3, 2011
0
0
All the cells in our bodies are programmed to die. As they get older, our cells accumulate toxic molecules that make them sick. In response, they eventually break down and die, clearing the way for new, healthy cells to grow. ...
Sep 28, 2015
0
197
Why do we age, and what makes some of us live longer than others? For decades, researchers have been trying to answer these questions by elucidating the molecular causes of aging.
Jul 19, 2012
0
0
(Medical Xpress)—Inflammation is an important response in the body - it helps you to kill off invaders such bacteria that could cause a harmful infection. But if it's chronic or uncontrolled, inflammation can also cause ...
May 14, 2013
0
0
