A new biomarker test developed by researchers at Georgetown Lombardi Comprehensive Cancer Center and their colleagues can help predict, with up to 90 percent certainty, which chemical compounds can cause DNA damage that could ...
Biochemistry
Dec 4, 2017
0
2903
DNA represents a dynamic form of information, balancing efficient storage and access requirements. Packaging approximately 1.8m of DNA into something as small as a cell nucleus is no mean feat, but unpacking it again to access ...
Biotechnology
Nov 6, 2015
1
35
Common ragweed, a pest and a major cause of hay fever, is a successful invasive species because it uses "supergenes" to adapt, an international study led by Monash University has found.
Evolution
Mar 28, 2023
0
90
All cells are confronted with DNA damage, for example by exposure of the skin to UV rays, chemical byproducts of nerve cells consuming sugar, or immune cells destroying bacteria. If these DNA lesions are not - or badly - ...
Cell & Microbiology
Jun 13, 2017
0
183
The skin is presumably the largest and one of the most versatile body organs. By providing a physical barrier, it protects our body from environmental assaults. Melanin—a natural pigment produced by specialized skin cells ...
Cell & Microbiology
Jan 10, 2023
0
86
A new study sheds light on a little understood biological process called quiescence, which enables blood-forming stem cells to exist in a dormant or inactive state in which they are not growing or dividing. According to the ...
Jan 9, 2009
0
0
Scientists at Burnham Institute for Medical Research (Burnham) have demonstrated important new roles for the protein kinase complex Cdc7/Dbf4 or Cdc7/Drf1 (Ddk) in monitoring damage control during DNA replication and reinitiating ...
Jan 5, 2009
0
0
The DNA replication process in which cells divide to create new cells also triggers repair of DNA damage, researchers from the University of Copenhagen report in a new study. The researchers studied extracts from frog eggs, ...
Cell & Microbiology
Jan 23, 2019
0
28
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
Scripps Research Institute scientists have taken a step closer to understanding the cause of Friedreich's ataxia, a debilitating neurological condition that affects tens of thousands of people worldwide, and so far has no ...
Cell & Microbiology
Nov 4, 2010
0
0
