Search results for DNA:
Transcription factors guide differences in human and chimp brain function
3 hours ago |
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Humans share at least 97 percent of their genes with chimpanzees, but, as a new study of transcription factors makes clear, what you have in your genome may be less important than how you use it.
Researchers demonstrate nanoscale X-ray imaging of bacterial cells
4 hours ago |
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An ultra-high-resolution imaging technique using X-ray diffraction is a step closer to fulfilling its promise as a window on nanometer-scale structures in biological samples. In the Proceedings of the National Ac ...
Gene Hijacked By HIV Ancestor Suggests New Way to Block Viral Reproduction
2 hours ago |
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(PhysOrg.com) -- An ancestor of the AIDS virus hijacked an entire gene, perhaps from some prehistoric cat it had infected, a gene that makes it much better able to infect humans, according to a study published ...
New platinum compound shows promise in tumor cells
2 hours ago |
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(PhysOrg.com) -- MIT chemists have developed a new platinum compound that is as powerful as the commonly used anticancer drug cisplatin but better able to destroy tumor cells.
Tiny RNA has big impact on lung cancer tumors
14 hours ago |
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Researchers from Yale University and Mirna Therapeutics, Inc., reversed the growth of lung tumors in mice using a naturally occurring tumor suppressor microRNA. The study reveals that a tiny bit of RNA may one day play a ...
Hitler skull fragment in Moscow authentic: FSB
Other Sciences / Archaeology & Fossils
2 hours ago |
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An officer with the Russian intelligence service the FSB on Monday dismissed a US report suggesting a fragment of Hitler's skull held in Moscow is actually from a woman, insisting their relic is genuine.
New hope for diagnosis and treatment of intractable pediatric brain tumors
6 hours ago |
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Scientists have discovered oncogenes capable of driving growth of normal human brain stem cells in a highly malignant pediatric brain tumor. The research, published by Cell Press in the December issue of the journal Cancer Ce ...
Genetic variations indicate risk of recurrence, secondary cancer among head and neck cancer patients
6 hours ago |
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Eighteen single-point genetic variations indicate risk of recurrence for early-stage head and neck cancer patients and their likelihood of developing a second type of cancer, researchers at The University of Texas M. D. Anderson ...
New approach to sickle-cell disease shows promise in mice
6 hours ago |
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A new genetic approach to treating sickle cell disease is showing promising results in mice, report researchers from Children's Hospital Boston. By inactivating a gene they previously discovered to be important in the laboratory, ...
Genetic studies reveal new causes of severe obesity in childhood
Dec 06, 2009 |
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Scientists in Cambridge have discovered that the loss of a key segment of DNA can lead to severe childhood obesity. This is the first study to show that this kind of genetic alteration can cause obesity. The results are published ...
Researchers restore some function to cells from cystic fibrosis patients
Dec 06, 2009 |
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In an encouraging new development, a team led by Scripps Research Institute scientists has restored partial function to lung cells collected from patients with cystic fibrosis. While there is still much work to be done before ...
Newly explored bacteria reveal some huge RNA surprises
Dec 02, 2009 |
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(PhysOrg.com) -- Yale University researchers have found very large RNA structures within previously unstudied bacteria that appear crucial to basic biological functions such as helping viruses infect cells ...
Probing Question: Is forensic science on TV accurate?
Dec 03, 2009 |
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Turn on the television any evening and you're apt to see a scene such as this: Five crime scene investigators, or CSIs, return to the crime scene at night to follow up on some leads. CSI Kathryn Willows looks ...
Grooving down the helix: Researchers show how proteins slide along DNA to carry out vital biological processes
Dec 03, 2009 |
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(PhysOrg.com) -- A team of scientists has made a major step in understanding how molecules locate the genetic information in DNA that is necessary to carry out important biological processes.
Why we outlive our ape ancestors
Dec 02, 2009 |
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In spite of their genetic similarity to humans, chimpanzees and great apes have maximum lifespans that rarely exceed 50 years. The difference, explains USC Davis School of Gerontology Professor Caleb Finch, is that as humans ...
