News tagged with nucleus
Turning back the clock: Fasting prolongs reproductive life span
Aug 27, 2009 |
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Scientific dogma has long asserted that females are born with their entire lifetime's supply of eggs, and once they're gone, they're gone. New findings by researchers at Fred Hutchinson Cancer Research Center, published online ...
Evolutionarily preserved mechanism governs use of genes
Aug 18, 2009 |
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Researchers at Uppsala University have found that the protein coding parts of a gene are packed in special nucleosomes. The same type of packaging is found in the roundworm C elegans, which is a primeval relative of humans ...
Imaging the inner workings of single molecules
Aug 17, 2009 |
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With $20 million over five years from the National Science Foundation, UC Irvine scientists hope to become the first ever to make real-time videos of single molecules in action - a feat that has proved elusive ...
Physicists make crystal/liquid interface visible for first time
Aug 11, 2009 |
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"Imagine you're a water molecule in a glass of ice water, and you're floating right on the boundary of the ice and the water," proposes Emory University physicist Eric Weeks. "So how do you know if you're ...
New experiment could reveal make-up of the Universe
Aug 06, 2009 |
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(PhysOrg.com) -- Scientists at the University of Liverpool are constructing highly sensitive detectors as part of an international project to understand the elements that make up the universe.
Study reveals a reprogrammed role for the androgen receptor
Jul 27, 2009 |
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The androgen receptor - a protein ignition switch for prostate cancer cell growth and division - is a master of adaptability. When drug therapy deprives the receptor of androgen hormones, thereby halting cell proliferation, ...
Scientists provide important insight into apoptosis or programmed cell death
Jul 14, 2009 |
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A study by Nanyang Technological University (NTU)'s Assistant Professor Li Hoi Yeung, Assistant Professor Koh Cheng Gee and their team have made an important contribution to the understanding of the process that cells go ...
Research suggests core nuclear pore elements shared by all eukaryotes
Jul 13, 2009 |
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(PhysOrg.com) -- For perhaps 1.8 billion years after life first emerged on Earth, a sort of evolutionary writer’s block stalled the development of organisms more complicated than single cells. Then, a burst of experimental ...
NuTeV Anomaly Helps Shed Light on Physics of the Nucleus
Jun 29, 2009 |
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(PhysOrg.com) -- A new calculation clarifies the complicated relationship between protons and neutrons in the atomic nucleus and offers a fascinating resolution of the famous NuTeV Anomaly.
Researchers pinpoint a new enemy for tumor-suppressor p53
Jun 26, 2009 |
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Researchers at The University of Texas M. D. Anderson Cancer Center have identified a protein that marks the tumor suppressor p53 for destruction, providing a potential new avenue for restoring p53 in cancer ...
STAT3 protein found to play a key role in cancer
Jun 25, 2009 |
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A protein called STAT3 has been found to play a fundamental role in converting normal cells to cancerous cells, according to a new study led by David E. Levy, Ph.D., professor of pathology and microbiology at NYU Langone ...
Pushmi-pullyu of B-cell development discovered
Jun 25, 2009 |
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James Hagman, Ph.D., professor of immunology at National Jewish Health and his colleagues have identified two "molecular motors" that work in opposing directions to control the development of B cells in the immune system.
Neurological differences support dyslexia subtypes
Medicine & Health / Neuroscience
Jun 25, 2009 |
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Parts of the right hemisphere of the brains of people with dyslexia have been shown to differ from those of normal readers. Researchers writing in the open access journal BMC Neuroscience used magnetic resonance imaging (MRI) ...
The downside of microtubule stability
Jun 15, 2009 |
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Stalled microtubules might be responsible for some cases of the neurological disorder Charcot-Marie-Tooth (CMT) disease, Tanabe and Takei report in the Journal of Cell Biology . A mutant protein makes the mi ...
Sugarcoating fruit fly development
May 29, 2009 |
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Proteins are the executive agents that carry out all processes in a cell. Their activity is controlled and modified with the help of small chemical tags that can be dynamically added to and removed from the protein. 25 years ...
