News tagged with damage
Nanoparticles used in common household items caused genetic damage in mice
Nanotechnology / Bio & Medicine
Nov 16, 2009 |
4.8 / 5 (24) |
11
Titanium dioxide (TiO2) nanoparticles, found in everything from cosmetics to sunscreen to paint to vitamins, caused systemic genetic damage in mice, according to a comprehensive study conducted by researchers at UCLA's Jonsson ...
Stem cells restore mobility in neck-injured rats (w/ Video)
Nov 10, 2009 |
5 / 5 (9) |
1
(PhysOrg.com) -- The first human embryonic stem cell treatment approved by the FDA for human testing has been shown to restore limb function in rats with neck spinal cord injuries - a finding that could expand the clinical ...
Nanoparticles may cause DNA damage across a cellular barrier
Nanotechnology / Bio & Medicine
Nov 05, 2009 |
4.3 / 5 (9) |
1
(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 ...
Researchers use drug-radiation combo to eradicate lung cancer
Oct 29, 2009 |
5 / 5 (5) |
0
Researchers at UT Southwestern Medical Center have eliminated non-small cell lung (NSCL) cancer in mice by using an investigative drug called BEZ235 in combination with low-dose radiation.
Loss of Tumor-Suppressor and DNA-Maintenance Proteins Causes Tissue Demise, Study Finds
Oct 15, 2009 |
5 / 5 (1) |
0
(PhysOrg.com) -- A study published in the October issue of Nature Genetics demonstrates that loss of the tumor-suppressor protein p53, coupled with elimination of the DNA-maintenance protein ATR, severely disrup ...
Ozone: Climate change boosts ultraviolet risk for high latitudes
Space & Earth / Earth Sciences
Sep 06, 2009 |
2.2 / 5 (13) |
5
(PhysOrg.com) -- Physicists at the University of Toronto have discovered that changes in the Earth's ozone layer due to climate change will reduce the amount of ultraviolet (UV) radiation in northern high ...
Mystery solved: Tiny protein-activator responsible for brain cell damage in Huntington disease
Jun 04, 2009 |
5 / 5 (10) |
0
Johns Hopkins brain scientists have figured out why a faulty protein accumulates in cells everywhere in the bodies of people with Huntington's disease (HD), but only kills cells in the part of the brain that controls movement, ...
Test for early Alzheimer's in late development
May 27, 2009 |
5 / 5 (1) |
0
(AP) -- A research institute devoted to Alzheimer's and related diseases has teamed up with a major maker of diagnostic tests to speed development of what could be the first test to detect Alzheimer's in its early stages.
New study overturns orthodoxy on how macrophages kill bacteria
Apr 27, 2009 |
4.9 / 5 (9) |
0
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 ...
What's in your water?: Disinfectants create toxic by-products
Mar 31, 2009 |
4.2 / 5 (16) |
7
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 ...
Shellfish and inkjet printers may hold key to faster healing from surgeries
Mar 18, 2009 |
4.8 / 5 (5) |
0
Using the natural glue that marine mussels use to stick to rocks, and a variation on the inkjet printer, a team of researchers led by North Carolina State University has devised a new way of making medical adhesives that ...
Scientists discover source of cancer stem cells' resistance to radiation
Feb 04, 2009 |
5 / 5 (6) |
2
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 ...
New step in DNA damage response in neurons discovered
Biology /
Jan 18, 2009 |
5 / 5 (3) |
0
Researchers have identified a biochemical switch required for nerve cells to respond to DNA damage. The finding, scheduled for advance online publication in Nature Cell Biology, illuminates a connection between proteins involv ...
Naturally occurring lipid blocks RSV infection in lungs
Dec 21, 2009 |
5 / 5 (2) |
0
Researchers at National Jewish Health have discovered that a naturally occurring lipid in the lung can prevent RSV infection and inhibit spread of the virus after an infection is established. RSV is the major cause of hospitalization ...
Scientists crack gene code of common cancers
Dec 17, 2009 |
4.9 / 5 (9) |
2
Two common forms of cancer have been genetically mapped for the first time, British scientists announced, in a major breakthrough in understanding the diseases.
