News tagged with damage dna
Researchers discover how key enzyme repairs sun-damaged DNA
Researchers have long known that humans lack a key enzyme -- one possessed by most of the animal kingdom and even plants -- that reverses severe sun damage.
Medicine & Health / Medical research
Jul 25, 2010 |
4.9 / 5 (28) |
3
|
Key protein aids in DNA repair
Scientists have shown in multiple contexts that DNA damage over our lifetimes is a key mechanism behind the development of cancer and other age-related diseases. Not everyone gets these diseases, because the body has multiple ...
Apr 11, 2010 |
4.5 / 5 (20) |
2
|
Scientists discover new genetic sub-code
In a multidisciplinary approach, Professor Yves Barral, from the Biology Department at ETH Zurich and the computer scientists Dr. Gina Cannarozzi and Professor Gaston Gonnet, from the Computer Science Department of ETH Zurich ...
Apr 16, 2010 |
4.9 / 5 (17) |
0
|
What's in your water?: Disinfectants create toxic by-products
Although perhaps the greatest public health achievement of the 20th century was the disinfection of water, a recent study now shows that the chemicals used to purify the water we drink and use in swimming pools react with ...
Mar 31, 2009 |
4.2 / 5 (17) |
7
DNA 'molecular scissors' discovered
(PhysOrg.com) -- Scientists at the University of Dundee have discovered a protein that acts as a 'molecular scissors' to repair damaged DNA in our cells, a finding which could have major implications for cancer treatments.
Jul 09, 2010 |
4.5 / 5 (10) |
1
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 ...
Apr 27, 2009 |
4.9 / 5 (9) |
0
Stress makes your hair go gray
Those pesky graying hairs that tend to crop up with age really are signs of stress, reveals a new report in the June 12 issue of Cell.
Jun 11, 2009 |
4 / 5 (11) |
3
Scientists crack gene code of common cancers
Two common forms of cancer have been genetically mapped for the first time, British scientists announced, in a major breakthrough in understanding the diseases.
Dec 17, 2009 |
4.9 / 5 (9) |
2
Researchers Present New Sex Evolution Theory
(PhysOrg.com) -- Harris Bernstein and Carol Bernstein have proposed a new theory on the billion-year-old mystery of sexual reproduction evolution.
Jul 08, 2010 |
5 / 5 (8) |
1
|
Daily sex helps to reduce sperm DNA damage and improve fertility
Daily sex (or ejaculating daily) for seven days improves men’s sperm quality by reducing the amount of DNA damage, according to an Australian study presented today (Tuesday) to the 25th annual meeting of the European Society ...
Medicine & Health / Medical research
Jun 30, 2009 |
3.9 / 5 (10) |
3
Nanoparticles may cause DNA damage across a cellular barrier
(PhysOrg.com) -- Scientists have shown in the laboratory that metal nanoparticles damaged the DNA in cells on the other side of a cellular barrier. The research, by the University of Bristol, is published ...
Nanotechnology / Bio & Medicine
Nov 05, 2009 |
4.3 / 5 (9) |
1
Researchers discover mechanism that limits scar formation
Researchers from the University of Illinois at Chicago have discovered that an unexpected cellular response plays an important role in breaking down and inhibiting the formation of excess scar tissue in wound healing.
Jun 10, 2010 |
4.9 / 5 (8) |
0
|
Chromosome 'glue' surprises scientists
Proteins called cohesins ensure that newly copied chromosomes bind together, separate correctly during cell division, and are repaired efficiently after DNA damage. Scientists at the Carnegie Institution have found for the ...
May 06, 2010 |
5 / 5 (7) |
0
|
Scientists discover source of cancer stem cells' resistance to radiation
Much to the dismay of patients and physicians, cancer stem cells — tiny powerhouses that generate and maintain tumor growth in many types of cancers — are relatively resistant to the ionizing radiation often used as therapy ...
Feb 04, 2009 |
5 / 5 (6) |
2
Scientists find missing puzzle piece of powerful DNA repair complex
Researchers at The Scripps Research Institute have found, crystallized, and biologically characterized a poorly defined component of a key molecular complex that helps people to avoid cancer, but that also ...
Oct 01, 2009 |
5 / 5 (6) |
0
