When a fertilized egg is developing into a fetus, cell populations forming tissues are in a fluid state, and thus, the tissue can be easily deformed. Cells also generate mechanical forces during development that contribute ...
Cell & Microbiology
May 15, 2018
0
2
Almost every cell in the human body, from beating heart cells to bacteria-gobbling immune cells, is powered by chemical energy produced by specialized organelles called mitochondria. The process of energy generation creates ...
Cell & Microbiology
May 3, 2018
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17
The rabies virus wreaks havoc on the brain, triggering psychosis and death. To get where it needs to go, the virus must first trick the nervous system and cross the blood brain barrier—a process that makes it of interest ...
Bio & Medicine
Apr 25, 2018
0
11
New research by scientists shows that when cellular barriers are exposed to metal nanoparticles, cellular messengers are released that may cause damage to the DNA of developing brain cells. The discovery may have implications ...
Bio & Medicine
Apr 4, 2018
0
30
In mammalian cells, the transcription factor p53 most responsible for healthy growth of the organism. The equivalent in plants is Suppressor Of Gamma Response 1 (SOG1), a factor that does not share a common evolutionary ancestor ...
Cell & Microbiology
Mar 2, 2018
0
10
MIT biologists have designed a new peptide that can disrupt a key protein that many types of cancers, including some forms of lymphoma, leukemia, and breast cancer, need to survive.
Biochemistry
Jan 16, 2018
0
563
When exposed in a laboratory to pollution levels comparable to those found in the atmosphere of the Amazon region during the forest and crop burning season, human lung cells suffer severe DNA damage and stop dividing. After ...
Environment
Oct 25, 2017
0
11
The cell cycle is the system through which a cell grows and divides. It is also how a cell passes its DNA to its progeny and is why the cell cycle ceases if the DNA is damaged, as otherwise it risks passing this damage to ...
Cell & Microbiology
Oct 6, 2017
0
8
A groundbreaking and surprising discovery provides a major conceptual change of what is most important to cells: the fidelity of the DNA transcription process - accurately copying the DNA message into RNA, the precursor to ...
Cell & Microbiology
Oct 4, 2017
0
12
Is it better to do a task quickly and make mistakes, or to do it slowly but perfectly? When it comes to deciding how to fix breaks in DNA, cells face the same choice between two major repair pathways. The decision matters, ...
Cell & Microbiology
Sep 20, 2017
0
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