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Device draws cells close--but not too close--together
04-04-2007 · Massachusetts Institute of Technology (MIT)On a microscopic level, coaxing cells to be very, very close without actually touching one another has been among the most frustrating challenges for cell biologists. MIT researchers have solved the problem with a novel device.
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- HST device draws cells close--but not too close--together
04-04-2007 · Massachusetts Institute of Technology (MIT)
On a microscopic level, coaxing cells to be very, very close without actually touching one another has been among the most frustrating challenges for cell biologists. MIT researchers have solved the problem with a novel device.
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- MIT device draws cells close -- but not too close -- together
03-29-2007 · EurekAlert!
In a popular children's game participants stand as close as possible without touching. But on a microscopic level, coaxing cells to be very, very close without actually touching one another has been among the most frustrating challenges for cell biologists. Now MIT researchers led by Sangeeta Bhatia, associate professor of electrical engineering and computer science at the Harvard-MIT Division of Health Sciences and Technology, have solved the problem with a novel device.
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- Master regulatory gene of epithelial stem cells identified
05-03-2007 · EurekAlert!
The skin's ability to replace the tissue it sloughs off is controlled by a variety of genes. A new study from Harvard Medical School published in the May 4 issue of Cell, however, identifies a "master regulator" of this regeneration process not only for skin, but for many epithelial tissues including breast, prostate, and urogenital tract. This master regulator of epithelial stem cells turns out to be the p63 gene, a close relative to the well-known tumor-suppressing p53 gene.
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- SMS your ECG to ER
07-17-2007 · EurekAlert!
A Bluetooth heart monitor could text your local hospital if you are about to have a heart attack, according to research published today in Inderscience's International Journal of Electronic Healthcare. The device measures electrical signals from the heart, analyses them to produce an electrocardiogram and sends an alert together with the ECG by cell phone text message.
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- Solar cells can take the heat
01-09-2008 · EurekAlert!
Michael Grätzel and his a team of researchers at the Ecole Polytechnique Federale de Lausanne in Switzerland have fabricated a solvent-free dye-sensitized solar cell based on a binary ionic liquid electrolyte. These devices show a light-conversion efficiency of 7.6 percent under simulated sunlight conditions, which sets a new record for a solvent-free device.
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- New clues to how sex evolves
12-04-2006 · EurekAlert!
Researchers at the Department of Energy's Lawrence Berkeley National Laboratory and the University of California at Berkeley have found clues to part of the complex question of how sex evolves, through ongoing studies of the nematode Caenorhabditis elegans. They have identified a key family of genes that code for closely related zinc-finger proteins that help bring C. elegans chromosomes together during meiosis, the specialized cell division that produces gametes, or sex cells.
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- Molecular motors and brakes work together in cells
01-30-2007 · EurekAlert!
Researchers at the University of Pennsylvania School of Medicine have discovered that microtubules -- components responsible for shape, movement, and replication within cells -- use proteins that act as molecular motors and brakes to organize into their correct structure. If microtubules are not formed properly such basic functions as cell division and transport can go wrong, which may have implications in such disease processes as cancer and dementia.
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- Researchers develop simple method to create natural drug products
09-04-2007 · EurekAlert!
Until now, only the intricate machinery inside cells could take a mix of enzyme ingredients, blend them together and deliver a natural product with an elaborate chemical structure such as penicillin. Researchers at UC San Diego's Scripps Institution of Oceanography and Skaggs School of Pharmacy and Pharmaceutical Sciences and the University of Arizona have for the first time demonstrated the ability to mimic this process outside of a cell.
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- U of MN adult stem cell research shows promise for transplant therapies
01-15-2007 · EurekAlert!
University of Minnesota stem cell researchers, together with collaborators at Stanford University, have successfully used adult stem cells to replace the immune system and bone marrow of mice, offering the promise of new therapies for people in the future.
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- Stem cells show promise for treating Huntington's disease
09-25-2007 · EurekAlert!
Paying close attention to how a canary learns a new song has helped scientists open a new avenue of research against Huntington's disease -- a fatal disorder for which there is currently no cure or even a treatment to slow the disease. Scientists used gene therapy to guide the development of endogenous stem cells in the brains of mice affected by a form of Huntington’s, generating new medium spiny neurons -- the cell lost in Huntington's disease.
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