News tagged with cellular process
Small nanoparticles bring big improvement to medical imaging
Nanotechnology / Bio & Medicine
Nov 18, 2009 |
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If you're watching the complex processes in a living cell, it is easy to miss something important—especially if you are watching changes that take a long time to unfold and require high-spatial-resolution ...
'Cross-talk' mechanism contributes to colorectal cancer
Nov 13, 2009 |
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Researchers at the University of Wisconsin-Madison School of Medicine and Public Health have identified a molecular mechanism that allows two powerful signaling pathways to interact and begin a process leading to colorectal ...
Researchers find a weak link in cancer cell armor
Nov 11, 2009 |
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(PhysOrg.com) -- Professor Robert Weiss has found that when two particular genes are inhibited, cancer cells are destroyed at a greater rate. The study is published in the Nov. 9 issue of PNAS.
No such thing as 'junk RNA,' say Pitt researchers
Oct 13, 2009 |
4.9 / 5 (10) |
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Tiny strands of RNA previously dismissed as cellular junk are actually very stable molecules that may play significant roles in cellular processes, according to researchers at the University of Pittsburgh School of Medicine ...
New approach for growing bone
Oct 07, 2009 |
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The natural cycle of building bone to maintain skeletal strength and then breaking it down for the body's calcium needs is delicately balanced, but diseases like osteoporosis break down too much bone without adequate bone ...
Nanoresearchers challenge dogma in protein transportation in cells
Sep 21, 2009 |
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New data on signaling proteins, called G proteins, may prove important in fighting diseases such as cardiovascular, neurodegenerative disorders, and cancer. For many decades scientists have puzzled on "How ...
RNAs taking center stage
Sep 10, 2009 |
4 / 5 (1) |
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RNAs, serving as a mere intermediary between DNA and proteins, were long regarded as a poor relation by researchers, attracting little interest. However, following the discovery of small RNAs known as microRNAs, they have ...
Biologists Unlock Secrets of Plants' Growing Tips
Aug 25, 2009 |
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(PhysOrg.com) -- Biologist Magdalena Bezanilla and colleagues at the University of Massachusetts Amherst have used a technique they call multi-gene silencing to, for the first time, simultaneously silence nine genes in a ...
From cell division to ageing: Scientists locate main cell switches
Aug 17, 2009 |
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(PhysOrg.com) -- Protein function and gene expression are often regulated by reversible modifications of already existing proteins. Scientists from the Max Planck Institute of Biochemistry and the University ...
Bionanomachines: Proteins as resistance fighters
Aug 14, 2009 |
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(PhysOrg.com) -- Friction limits the speed and efficiency of macroscopic engines. Is this also true for nanomachines? A Dresden research team used laser tweezers to measure the friction between a single motor ...
In a Chemical Library, Yale Researchers Finds Keys to Cell Movement
Aug 03, 2009 |
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(PhysOrg.com) -- Rummaging through a biotechnology company’s chemical closet, Yale University researchers found two molecules that will allow scientists to better study how cells move.
Researchers uncover genetic link to age-related cataracts
Jul 31, 2009 |
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(PhysOrg.com) -- Bing-Cheng Wang, Ph.D., Case Western Reserve University School of Medicine professor of pharmacology and senior staff scientist at MetroHealth Medical Center, and Sudha K. Iyengar, Ph.D. professor of genetic ...
Herpes: Scientists find cellular process that fights virus
Mar 23, 2009 |
4 / 5 (5) |
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Scientists have discovered a new way for our immune system to combat the elusive virus responsible for cold sores: Type 1 herpes simplex (HSV-1). As reported in the advance online edition of Nature Immunology, a group of vir ...


