In order to learn more quickly, brain cells damage their DNA

[ad_1]
To meet threatening, the brain has to act fast, its neurons are making new connections to learn what can mean the difference between life and death. But in response, the brain rises again to value: As recent disorders show, in order to quickly reproduce learning genes and memory, brain cells seize their DNA into fragments at key points, and then rebuild their broken bodies afterwards.
Discovery does not simply provide information on brain development. It also shows that DNA fragmentation can be a normal and necessary part of normal cell groups — affecting how scientists think about aging and disease, and how they deal with special events that they have documented as mere chance.
This discovery is astounding because DNA twists the two strands, while both tracks are cut at the same location on the genome, which is a risk factor for genetic predisposition to cancer, vascular outbreaks, and aging. It is more difficult for cells to repair two-legged defects than other types of DNA damage because there is no solid “template” left to guide the strands.
However, it has long been recognized that DNA damage sometimes helps. When cells divide, two strands contribute to genetic mutations between chromosomes. In the growing immune system, it helps pieces of DNA reproduce and produce many types of antibodies. Double rest also helps in the development of nerves and helpful turn on other genes. However, these activities are seen as contrary to the law that the explosion of two cables is accidental and unacceptable.
But change came in 2015. Huei Tsai, a psychologist and director of the Picower Institute for Learning and Memory at the Massachusetts Institute of Technology, and colleagues were following previous activities that linked Alzheimer’s disease to two strands. To their surprise, the researchers found that advanced neurons secrete two DNA strands, and the pairs expanded the form of twelve components that work in relation to memory.
The rupture of two strands appears to be an important factor in regulating the gene expression necessary for the functioning of neurons. Tsai and his co-workers think that the explosions produce enzymes that are connected by twisted DNA, releasing them into fast-moving genes. But the idea “was fulfilled with great skepticism,” Tsai said. “People just struggle to think that breathing of two strings would be necessary in his body.”
However, Paul Marshall, a postgraduate researcher at the University of Queensland in Australia, and colleagues considered the findings. Their job, which was released in 2019, all confirmed and added to Tsai’s statement. It showed that DNA fragmentation affected two sound waves, once in a matter of hours.
Marshall and colleagues requested two ways to explain this phenomenon: DNA breaks down, some molecules release themselves to be labeled (as the Tsai group claimed) and the resting place is also known as the methyl group, hence the so-called epigenetic marker. After that, the broken DNA repair begins, the signal is removed, and in the meantime, most of the nutrients can be lost, starting with the second phase of writing.
“It’s not just the explosion of two wires that just happens to be the trigger,” said Marshall, “then it becomes a pin, and the signal works by copying the machine and adjusting the location.”
Since then, other studies have shown similar results. One, published last year, Connected by two wires not only creates memory memory, but also its memory.
Now, in study last month inside FIRST PLACE, Tsai and colleagues have shown that this anti-genetic mechanism can be found in the brain. This time, instead of using advanced neurons, they focused on living brain cells of rats that are learning to adapt to the environment and electricity. When the team recorded the formation of a thin layer of cotton and the hippocampus of the astonished mice, they found explosives occurring around hundreds of species, most of which are affected by synaptic processes related to memory.
[ad_2]
Source link



