Fragmenting ions and radiation sensitizers
A new study using mass spectrometry is helping piece together what happens when DNA that has been sensitized by the oncology drug 5-fluorouracil is subjected to the ionising radiation used in radiotherapy.
A new study using mass spectrometry is helping piece together what happens when DNA that has been sensitized by the oncology drug 5-fluorouracil is subjected to the ionising radiation used in radiotherapy.
General Physics
Sep 3, 2019
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9
In the time it takes you to read this sentence, every cell in your body suffers some form of DNA damage. Without vigilant repair, cancer would run rampant, and now scientists at the University of Pittsburgh have gotten a ...
Molecular & Computational biology
Jul 22, 2019
3
384
A team led by a Baylor University researcher has published a breakthrough article that provides a better understanding of the dynamic process by which sunlight-induced DNA damage is recognized by the molecular repair machinery ...
Molecular & Computational biology
Jul 14, 2019
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343
The RAS oncogene is activated in 30 percent of human cancers, and results in the proliferation and transformation of tumor cells. No effective inhibitor has been found for this protein to date.
Cell & Microbiology
Jul 3, 2019
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0
UV light damages the DNA of skin cells, which can lead to skin cancer. But this process is counteracted by DNA repair machinery, acting as a molecular sunscreen. It has been unclear, however, how repair proteins work on DNA ...
Molecular & Computational biology
May 30, 2019
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82
Most living things have a suite of genes dedicated to repairing their DNA, limiting the rate at which their genomes change through time. But scientists at Vanderbilt and University of Wisconsin-Madison have discovered an ...
Evolution
May 21, 2019
3
158
Earth's atmosphere shields life on the ground from cosmic radiation that can damage DNA. Astronauts in space have no such protection, and that puts them at risk. An investigation on the International Space Station examines ...
Space Exploration
May 9, 2019
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19
Explorers have dreamt for centuries of a Fountain of Youth, with healing waters that rejuvenate the old and extend life indefinitely.
Biotechnology
Apr 22, 2019
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853
Each year at least 2 million Americans are infected with bacteria that cannot be treated with antibiotics, and at least 23,000 of these people die, according to the Centers for Disease Control.
Environment
Apr 8, 2019
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37
Plants have developed a robust system that stops their cell cycle in hostile environments such as abnormally hot temperatures. In response, they direct their energy to survival rather than growth. A new study led by scientists ...
Plants & Animals
Apr 5, 2019
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8