News tagged with dna alterations
Defects in the packaging of DNA in malignant brain tumors
Glioblastomas grow extremely aggressively into healthy brain tissue and, moreover, are highly resistant to radiation therapy and chemotherapy. Therefore, they are regarded as the most malignant type of brain tumor. Currently ...
Jan 30, 2012 |
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Seeing cancer in three dimensions
One of the hallmarks of cancer cells is that certain regions of their DNA tend to get duplicated many times, while others are deleted. Often those genetic alterations help the cells become more malignant — ...
Nov 21, 2011 |
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Research gives new hope to those with rare vascular cancer
A specific genetic alteration has been discovered as a defining feature of epithelioid hemangioendothelioma (EHE), a rare but devastating vascular cancer. These findings have also been used to develop a new diagnostic test ...
Aug 31, 2011 |
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Two genes linked to why telomeres stretch in cancer cells
Scientists at Johns Hopkins have provided more clues to one of the least understood phenomena in some cancers: why the "ends caps" of cellular DNA, called telomeres, lengthen instead of shorten.
Jun 30, 2011 |
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Hopkins team discovers how DNA changes
Using human kidney cells and brain tissue from adult mice, Johns Hopkins scientists have uncovered the sequence of steps that makes normally stable DNA undergo the crucial chemical changes implicated in cancers, psychiatric ...
Apr 14, 2011 |
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Experts summarize state of the science in autism disorders
Scientific understanding and medical treatments for autism spectrum disorders (ASDs) have advanced significantly over the past several years, but much remains to be done, say experts from the Center for Autism Research at ...
Oct 14, 2009 |
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Researchers uncover potential mechanisms to protect against genetic alterations, diseases
Peering into the DNA of tiny yeast, researchers at the Moores Cancer Center at the University of California, San Diego and the San Diego Branch of the Ludwig Institute for Cancer Research have pinpointed a large number of ...
Aug 06, 2009 |
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Variations in 5 genes raise risk for most common brain tumors
Common genetic variations spread across five genes raise a person's risk of developing the most frequent type of brain tumor, an international research team reports online in Nature Genetics.
Jul 05, 2009 |
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New study aims to reduce risk of childhood leukemia
A study led by Dr Marcus Cooke at the University of Leicester and funded by World Cancer Research Fund (WCRF) UK is looking at whether consuming caffeine during pregnancy might affect the unborn baby's risk of developing ...
Jan 26, 2009 |
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