News tagged with microrna
It's a trap! New laboratory technique captures microRNA targets
Human cells are thought to produce thousands of different microRNAs (miRNAs)—small pieces of genetic material that help determine which genes are turned on or off at a given time. miRNAs are an important ...
May 09, 2012 |
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Doubling the information from the Double Helix
(Phys.org) -- Our genes control many aspects of who we are — from the colour of our hair to our vulnerability to certain diseases — but how are the genes, and consequently the proteins they make ...
Apr 27, 2012 |
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MicroRNAs in the songbird brain respond to new songs (w/ video)
Whenever it hears an unfamiliar song from a bird of the same species, a zebra finch stops chirping, hopping and grooming. It listens attentively for minutes at a time, occasionally cocking its head but otherwise ...
Jun 30, 2011 |
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Scientists develop method for detecting microRNA from living cells
(PhysOrg.com) -- Researchers at the University of Pennsylvania have developed a new electronic method for detecting microRNA isolated from living cells. MicroRNAs are a class of small biomolecules that control ...
Nanotechnology / Bio & Medicine
Oct 26, 2010 |
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Scientists Discover New Surprise in a Virus' Bag of Tricks
(PhysOrg.com) -- Yale University researchers have discovered a novel viral survival strategy, an insight that could help scientists better understand how viruses contribute to diseases such as cancer and AIDS.
Jun 18, 2010 |
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New evidence in plants shows micro-RNA can move
Ever since tiny bits of genetic material known as microRNA were first characterized in the early 1990s, scientists have been discovering just how important they are to regulating the activity of genes within cells.
Apr 21, 2010 |
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Molecular mechanism triggering Parkinson's disease identified
Scientists at the Stanford University School of Medicine have identified a molecular pathway responsible for the death of key nerve cells whose loss causes Parkinson's disease. This discovery not only may explain how a genetic ...
Medicine & Health / Medical research
Jul 28, 2010 |
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Ultrasensitive particles offer new way to find cancer
About 10 years ago, scientists discovered a new type of genetic material called microRNA, which appears to turn genes on or off inside a cell. More recently, they found that these genetic snippets often go ...
Aug 31, 2011 |
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Researchers reveal function of novel molecule that underlies human deafness
New research from the University of Sheffield has revealed that the molecular mechanism underlying deafness is caused by a mutation of a specific microRNA called miR-96. The discovery could provide the basis for treating ...
Medicine & Health / Medical research
Jan 21, 2011 |
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MicroRNAs dictate the Epstein-Barr virus' elaborate waiting game, cancer formation
While most commonly associated with mononucleosis, Epstein-Barr virus (EBV) has been linked to many diseases that affect people long after the initial infection takes place, including some forms of cancer. In the current ...
Oct 25, 2010 |
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Secret to healing chronic wounds might lie in tiny pieces of silent RNA
Scientists have determined that chronic wounds might have trouble healing because of the actions of a tiny piece of a molecular structure in cells known as RNA.
Medicine & Health / Medical research
Mar 22, 2010 |
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Better cholesterol drugs may follow SLU researcher's breakthrough
Thanks to a discovery by a Saint Louis University researcher, scientists have identified an important microRNA that may allow us to better control cholesterol levels in blood.
Medicine & Health / Medical research
Oct 05, 2010 |
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Scientists find gas pedal -- and brake -- for uncontrolled cell growth
Researchers at the University of California, San Diego School of Medicine have identified a new way to regulate the uncontrolled growth of blood vessels, a major problem in a broad range of diseases and conditions.
Medicine & Health / Medical research
Aug 01, 2010 |
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Discovery could shrink dengue-spreading mosquito population
Each year, dengue fever infects as many as 100 million people while yellow fever is responsible for about 30,000 deaths worldwide. Both diseases are spread by infected female Aedes aegypti mosquitoes, which ...
Dec 02, 2010 |
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Biologists determine microRNA activity is suppressed in mouse ovum
Biologists at the University of Pennsylvania studying oocytes in mice, the immature egg cells necessary for sexual reproduction, have demonstrated an unusual behavior in microRNA, or miRNA, activity that may be the first ...
Feb 03, 2010 |
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MicroRNA
In genetics, microRNAs (miRNA) are single-stranded RNA molecules of 21-23 nucleotides in length, which regulate gene expression. miRNAs are encoded by genes from whose DNA they are transcribed but miRNAs are not translated into protein (i.e. they are non-coding RNAs); instead each primary transcript (a pri-miRNA) is processed into a short stem-loop structure called a pre-miRNA and finally into a functional miRNA. Mature miRNA molecules are partially complementary to one or more messenger RNA (mRNA) molecules, and their main function is to down-regulate gene expression. They were first described in 1993 by Lee and colleagues in the Victor Ambros lab , yet the term microRNA was only introduced in 2001 in a set of three articles in Science.
For more information about MicroRNA, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
