Search results for cellular senescence:
Stem cells battle for space
Dec 04, 2009 |
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The body is a battle zone. Cells constantly compete with one another for space and dominance. Though the manner in which some cells win this competition is well known to be the survival of the fittest, how stem cells duke ...
Shop before you sign a data contract for a netbook
Electronics / Consumer & Gadgets
Dec 04, 2009 |
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Netbooks with built-in 3G wireless Internet access are all the rage this holiday season. But before you sign on the dotted line at your local AT&T or Verizon Wireless store and commit yourself to a two-year contract, consider ...
Study Unravels Detail of 'Most Important' Cellular Signal
Dec 03, 2009 |
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(PhysOrg.com) -- A new study provides crucial details that promise to help researchers better understand, and perhaps fine-tune with drugs, one of the most important signaling mechanisms in human cells, according to a study ...
Papillomavirus silences innate immune response
Dec 03, 2009 |
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In the 1980s, Harald zur Hausen and his co-workers discovered that specific types of human papillomavirus (HPV) cause cervical cancer. Scientists soon found out how these pathogens cause cells to degenerate. ...
Researchers find long awaited key to creating drought resistant crops
Dec 03, 2009 |
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Van Andel Research Institute (VARI) researchers have determined precisely how the plant hormone abscisic acid (ABA) works at the molecular level to help plants respond to environmental stresses such as drought and cold. ...
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 ...
NIST develops experimental validation tool for cell phone forensics
Dec 02, 2009 |
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Viewers of TV dramas don't focus on the technology behind how a forensics crime team tracks a terrorist or drug ring using cell phone data, but scientists at the National Institute of Standards and Technology do. NIST researchers ...
Stick and slide: Computer simulation advances understanding of molecular motors
Dec 02, 2009 |
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A new study reveals how molecular motors that power important subcellular movements can generate cyclical motion. The research, published by Cell Press in the December issue of the Biophysical Journal, opens a new door t ...
Scientists identify possible therapy target for aggressive cancer
Dec 01, 2009 |
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UT Southwestern Medical Center researchers have found that a naturally occurring protein -- transforming growth factor beta1 (TGF-ß1) -- which normally suppresses the growth of cancer cells, causes a rebound effect after ...
Scientists discover genetic pattern that indicates early-stage lung cancer
Dec 01, 2009 |
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Wistar Institute researchers and collaborators from the University of Pennsylvania and New York University have identified immune system markers in the blood which indicate early-stage lung tumors in people at high risk for ...
Brown fat cells make 'spare tires' shrink
Dec 01, 2009 |
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(PhysOrg.com) -- Scientists at the University of Bonn have found a new signalling pathway which stimulates the production and function of so-called brown fat cells. They propose using these cells that serve as a "natural ...
Pancreatic tumors are marked for immunotherapy
Nov 30, 2009 |
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Pancreatic tumors can be identified by a readily detectable marker that shows promise as a basis for immune therapy against the disease, according to research at Washington University School of Medicine in St. Louis.
Long-term physical activity has an anti-aging effect at the cellular level
Nov 30, 2009 |
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Intensive exercise prevented shortening of telomeres, a protective effect against aging of the cardiovascular system, according to research reported in Circulation: Journal of the American Heart Association.
'The pill' for him: Scientists find a hormonal on-and-off switch for male fertility
Nov 30, 2009 |
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A new research report published in the December 2009 print issue of The FASEB Journal could one day give men similar type of control over their fertility that women have had since the 1960s. That's because scientists have f ...
Scientists get up close to bacteria's toxic pumps
Nov 30, 2009 |
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Scientists are building a clearer image of the machinery employed by bacteria to spread antibiotic resistance or cause diseases such as whooping cough, peptic stomach ulcers and legionnaires' disease.
