The TiO2 nanoparticles induced single- and double-strand DNA breaks and also caused chromosomal damage as well as inflammation, all of which increase the risk for cancer. The UCLA study is the first t...
Life Sciences |Dr. Michael Stilmann, Dr. Michael Hinz and Professor Claus Scheidereit have shown that the protein PARP-1, which detects DNA damage within seconds, activates the transcription factor NF-kappaB, a well...
Life Sciences |In a study appearing in the October issue of Cancer Research, UT Southwestern researchers found that if they administered BEZ235 before they damaged the DNA of tumor cells with otherwise nontoxic radi...
Health and Medicine |Their study, of SSB in the bacterium Escherichia coli, appears today in the journal Nature.Whenever the double helix of DNA unravels, exposing each strand to the harsh environment of the cell,...
Life Sciences |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 disrupts tis...
Studies and Analyses |L-form bacteria, which were first discovered in the 1930s, are morphological variants of classical bacteria that lack a cell wall. Under specialized growth conditions L-form bacteria are capable of fo...
Life Sciences |A Florida State University College of Medicine researcher has solved a century-old mystery about proteins that play a vital role in the transfer of the human genetic code from one cell to another. The...
Life Sciences |Their findings, published in the Aug. 28 issue of Molecular Cell, help explain how the checkpoint exit is delayed in some cancer cells, helping them to recover and resume dividing after treatment with...
Life Sciences |The findings being reported in the Aug. 14 issue of Molecular Cell help explain the promising results being seen in clinical trials of compounds that force cancer cells with genetic damage to self-des...
Life Sciences |A protein specialist that opens the genomic door for DNA repair and gene expression also turns out to be a multi-tasking workhorse that protects the tips of chromosomes and dabbles in a protein-destru...
Life Sciences |Scientists from the Max Planck Institute of Biochemistry and the University of Copenhagen have now been able to prove that the reversible attachment of acetyl groups influences virtually all functions...
Life Sciences |Our genome is constantly under attack from things like UV light and toxins, which can damage or even break DNA strands and ultimately lead to cancer and other diseases.Scientists have known fo...
Life Sciences |New research shows that compared to middle-aged stars like the Sun, newly formed stars spin faster generating strong magnetic fields that result in emission of more intense levels of X-rays, ultraviol...
Physics and Astronomy |New work by MIT cancer biologists shows that the interplay between two key genes that are often defective in tumors determines how cancer cells respond to chemotherapy.The findings should have...
Life Sciences |As the body creates antibodies to fight invaders, a three-protein DNA repair complex called MRN is crucial for a normal gene-shuffling process to proceed properly, University of Michigan research show...
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