News tagged with rna molecules
Explained: RNA interference
Nov 12, 2009 |
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Every high school biology student learns the basics of how genes are expressed: DNA, the cell’s master information keeper, is copied into messenger RNA, which carries protein-building instructions to the ribosome, ...
Scientists first to see RNA network in live bacterial cells
Oct 22, 2009 |
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Scientists who study RNA have faced a formidable roadblock: trying to examine RNA's movements in a living cell when they can't see the RNA. Now, a new technology has given scientists the first look ever at RNA in a live ...
Silence of the genes
Oct 13, 2009 |
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The molecular architecture of a protein complex that helps determine the fate of human cells has been imaged for the first time by researchers with the U.S. Department of Energy's Lawrence Berkeley National ...
Short Strand of RNA May Help Predict Survival and Response to Treatment for Patients with Liver Cancer
Oct 08, 2009 |
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(PhysOrg.com) -- A small RNA molecule, known as a microRNA, may help physicians identify liver cancer patients who, in spite of their poor prognosis, could respond well to treatment with a biological agent called interferon. ...
Researchers discover new targets for treatment of invasive breast cancer
Aug 19, 2009 |
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Research led by Suresh Alahari, PhD, Associate Professor of Biochemistry and Molecular Biology at LSU Health Sciences Center New Orleans, has shown for the first time that a tiny piece of RNA appears to play a major role ...
Advances in lung cancer research announced at conference
Aug 07, 2009 |
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Dr. Glen Weiss of the Translational Genomics Research Institute (TGen) and Scottsdale Healthcare this week announced two significant advances in treating lung cancer at an international cancer research conference.
Early evolution maximized the 'spellchecking' of protein sequences
Aug 06, 2009 |
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As letters of the alphabet spell out words, when amino acids are linked to one another in a particular order they "spell out" proteins. But sometimes the cell machinery for building proteins in our bodies makes a mistake ...
Active genes discovered in the developing mammal brain
Jul 13, 2009 |
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A study by scientists at Penn State provides new information about the genes that are involved in a mammal's early brain development, including those that contribute to neurological disorders. The study is ...
MicroRNAs grease the cell's circadian clockwork
May 31, 2009 |
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Most of our cells possess an internal clock, a group of genes displaying a cyclic expression pattern that reaches a peak once a day. A large number of circadian genes are expressed by organs such as the liver, whose activity ...
Small RNAs yield great amounts of data from ocean microbe samples
May 14, 2009 |
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(PhysOrg.com) -- An ingenious new method of obtaining marine microbe samples while preserving the microbes' natural gene expression has yielded an unexpected boon: the presence of many varieties of small RNAs -- snippets ...
MIT reels in RNA surprise with microbial ocean catch
May 13, 2009 |
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An ingenious new method of obtaining marine microbe samples while preserving the microbes' natural gene expression has yielded an unexpected boon: the presence of many varieties of small RNAs — snippets of RNA that act as ...
Specific small RNA pathways protect germ line from transposons
May 05, 2009 |
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Cells of higher organisms are in a constant struggle against some of their own DNA - repeated bits of DNA sequence called transposons that have infiltrated host genomes over the eons. Transposons damage the rest of the genome ...
High definition nanomovies reveal how RNA dances with drug partners
Apr 20, 2009 |
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(PhysOrg.com) -- Building on a technique they used to produce nanomovies of RNA molecules in motion, researchers have created "high definition" versions of the animations that reveal even more details about how RNA changes ...
New insights into progressive hearing loss
Apr 12, 2009 |
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In parallel studies in human and mouse, two groups of researchers have come to the same conclusion: that a new kind of gene is associated with progressive hearing loss. The new gene - called a microRNA - is a tiny fragment ...
New therapeutic strategy could target toxic protein in most patients with Huntington's disease
Apr 09, 2009 |
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Howard Hughes Medical Institute researchers have designed tiny RNA molecules that shut off the gene that causes Huntington's disease without damaging that gene's healthy counterpart, which maintains the health and vitality ...
