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Clemson scientists shed light on molecules in living cells
08-21-2007 · EurekAlert!Clemson University chemists have developed a method to dramatically improve the longevity of fluorescent nanoparticles that may someday help researchers track the motion of a single molecule as it travels through a living cell. The chemists are exploiting a process called "resonance energy transfer."
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Keywords: clemson, scientists, shed, light, molecules, living, cells, scientist, molecule, cell
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- Scientists map key landmarks in human genome
01-16-2007 · EurekAlert!
Dana-Farber Cancer Institute researchers have developed a powerful method for charting the positions of key gene-regulating molecules called nucleosomes throughout the human genome. The mapping tool could help uncover important clues for understanding and diagnosing cancer and other diseases, the scientists say. Moreover, it may shed light on the role of nucleosomes in the process of "reprogramming" an adult cell to its original embryonic state, which is a critical operation in cloning.
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- Stanford researchers identify immune dysfunction in melanoma patients
05-07-2007 · EurekAlert!
Researchers at Stanford have begun to shed light on why the human immune system isn't able to stop such cancers as melanoma, suggesting answers that could pave the way for better treatment of this often-fatal illness. In a small study, the scientists found that the immune cells in a majority of people with this deadly skin cancer fail to respond properly to a molecule called interferon, which normally activates the immune system.
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- Tissue Geometry Plays Crucial Role In Breast Cell Invasion
10-13-2006 · ScienceDaily
Researchers with the U.S. Department of Energy's Lawrence Berkeley National Laboratory have created a first-of-its-kind model for studying how breast tissue is shaped and structured during development. The model may shed new light on how the misbehavior of only a few cells can facilitate metastatic invasion because it shows that the development of breast tissue, normal or abnormal, is controlled not only by genetics, but also by geometry.
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- Study reveals how some molecules inhibit growth of lung cancer cells
03-12-2007 · EurekAlert!
By mapping the interlocking structures of small molecules and mutated protein "receptors" in non-small cell lung cancer (NSCLC) cells, scientists at Dana-Farber Cancer Institute and their colleagues have energized efforts to design molecules that mesh with these receptors, potentially interfering with cancer cell growth and survival.
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- Team of scientists develops non-invasive method to track nerve-cell development in live human brain
11-08-2007 · EurekAlert!
A team of scientists including researchers at Cold Spring Harbor Laboratory have identified and validated the first biomarker that permits neural stem and progenitor cells to be tracked, non-invasively, in the brains of living human subjects. This important advance could lead to significantly better diagnosis and monitoring of brain tumors and a range of serious neurological and psychiatric disorders.
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- Link between immune system and mammary gland could shed new light on breast cancer
07-04-2007 · EurekAlert!
Scientists at the University of Cambridge have published new research today (July 5) in the journal Development showing an unexpected link between a fundamental part of the immune system and the cells that produce milk in the breast during lactation.
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- Bad to the bone: UD research to shed light on osteoporosis
11-15-2007 · EurekAlert!
Ten million people in the US are estimated to already have bone diseases, and almost 34 million more are estimated to have low bone mass, putting them at increased risk for osteoporosis, according to the National Osteoporosis Foundation. UD scientists are now leading research that will shed light on how osteocytes -- the cells encased inside your bones -- sense external stimuli and communicate with cells on the surface, signaling them to either build more bone or remove existing bone.
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- Soft-cell approach cuts animal tests
02-06-2007 · EurekAlert!
A new way to test the safety of the air we breathe is proving faster, cheaper and more humane than exposing laboratory animals to airborne chemical hazards, say UNSW scientists. Researchers at the university's Chemical Safety and Applied Toxicology Laboratories have developed an animal-free alternative that exposes living human cells to air pollutants inside a small chamber. The breakthrough could fast-track scientific understanding of the threat to human health posed by thousands of airborne chemical compounds.
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- Scientists offer new view of photosynthesis
05-03-2007 · EurekAlert!
During the remarkable cascade of events of photosynthesis, plants scavenge nearly every photon of available light energy to produce food. In the May 4 issue of Science, an ASU Biodesign Institute team led by Neal Woodbury has published new insights that allow plants or bacteria to harness light energy efficiently even when conditions aren't optimal. The answers may be good news for organic solar cell technology, a low cost alternative to traditional silicon solar cells.
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- Molecule blocks gene, sheds light on liver cancer
08-01-2007 · EurekAlert!
New research shows how a particular small molecule blocks the activity of a cancer-suppressing gene, allowing liver cancer cells to grow and spread. This molecule is a microRNA, a recently discovered class of tiny molecules used by cells to help control the kinds and amounts of proteins they make. More than 250 different microRNAs have been discovered, and several have been linked to cancer.
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