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Silencing at Biology News

UCSD-Salk Team Show Protein’s Gene-Silencing Role In Development of Nervous System

The first evidence that a group of proteins called phosphatases play a key role in the development of the nervous system, has been shown in fruit flies and mice by researchers at the University of California, San Diego (UCSD) School of Medicine, in collaboration with scientists at the Salk Institute, La Jolla, California. The phosphatases are required for maintenance of neural stem cells and for...

Novel gene-silencing nanoparticles shown to inhibit Ewing's sarcoma

A novel delivery system that transports gene silencing nanoparticles into tumor cells has been shown to inhibit Ewing's sarcoma in an animal model of the disease. In this classic "Trojan horse" approach, a protein called transferrin that normally delivers iron into cells is modified to also smuggle into tumor cells siRNA (short interfering RNA) encased in nano-sized sugar polymers. The si...

Gene silencing technique offers new strategy for treating, curing disease

A new technique aimed at directly controlling the expression of genes by turning them on or off at the DNA level could lead to drugs for the treatment or cure of many diseases, say researchers at UT Southwestern Medical Center. "Virtually every disease starts at the level of malfunctioning gene expression, or viral or bacterial gene expression," said Dr. David Corey, professor of pharmacol...

Molecular steps involved in the creation of gene-silencing microRNAs identified

First discovered only a few brief years ago, microRNAs are small, remarkably powerful molecules that appear to play a pivotal role in gene silencing, one of the body's main strategies for regulating its genome. A scant 22 nucleotides in length, miRNAs appear to work by binding to and somehow interfering with messenger RNA, itself responsible for translating genes into proteins. But how do...

Twin molecular scissors link creation of microRNAs with gene-silencing

One of the body's primary strategies for regulating its genome is a kind of targeted gene silencing orchestrated by small molecules called microRNAs, or miRNAs. First observed only a few years ago, these molecules appear to inactivate messenger RNA, itself responsible for translating genes into proteins. Scientists have been eager to know more about miRNAs, clearly important players on the geneti...

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Custom and library siRNA for efficient gene silencing

High-quality short interfering RNA (siRNA) from QIAGEN allows efficient gene silencing in eukaryotic cell culture by targeting complementary endogenous mRNA. This effect, termed RNA interference (RNAi), enables targeted gene silencing in functional genomics studies. Now, QIAGEN offers a custom siRNA oligonucleotide syn...

Custom and library siRNA for efficient gene silencing

High-quality short interfering RNA (siRNA) from QIAGEN allows efficient gene silencing in eukaryotic cell culture by targeting complementary endogenous mRNA. This effect, termed RNA interference (RNAi), enables targeted gene silencing in functional genomics studies. Now, QIAGEN offers a custom siRNA oligonucleotide syn...

RNAi Gene Silencing System

Gene silencing by RNA interference (RNAi) in eukaryotic cell cultures requires double-stranded molecules known as short interfering RNA (siRNA). QIAGEN is a licensed supplier of siRNA, offering a custom siRNA oligonucleotide synthesis service , <a href="http://www.biocom...

Efficient RNAi-mediated gene silencing in neuronal cells using QIAGEN siRNA and TransMessenger Transfection Reagent*

Center for Neurologic Diseases, Brigham and Womens Hospital, Harvard Medical School, Boston, MA, USA Genetic manipulations using neuronal cells are notoriously difficult. Therefore, efficient delivery of short interfering RNA (siRNA)...

Your Data: Silencing of a Pro-apoptotic Transcription Factor Using Synthetic siRNA

One of the RNA silencing products available from Ambion is a kit for the synthesis of siRNA, the <A href="http://www.ambion.com/catalog/CatNum.php?1620">Silencer <A href="http://www.ambion.com/catalog/CatNum.php?16000"> siRNA Construction Kit . While this kit is very cost effective...

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Silencing at Biology Dictionary

Gene silencing

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Silencing at Medicine News

Cervical Cancer Can Now Be Better Handled With Gene Silencing Therapy

Queensland University researchers have ventured into a new approach called ‘gene silencing’ for the treatment of cervical cancer. The technique is targeted towards turning // the cancer causing genes on and off to help cervical cancer patients. Certain genes called tumor suppressor genes are responsible for preventing the occurrence of a particular type of cancer. On the other hand, t...

New Gene Silencing Mechanism To Prevent Cancer

The Centre for Cellular and Molecular Biology (CCMB), Hyderabad has unraveled the mystery behind gene silencing, paving the way for detecting the mechanisms that prevent cancer in human beings//. Two scientists - Manika Pal Bhadra and Utpal Bhadra have been instrumental behind this novel finding to fight a disease, which has remained a global challenge for centuries. They hope t...

Novel method conceived, to achieve genome-wide gene silencing.

Most cells in our body have a great number of genes that are safely ensconced in the systematic pattern of chromosomes. According to estimates, only 10% of the // nearly 25,000 genes in the human genome are in an alert state in a particular cell, the rest are only latent and in a dormant state. This trait of genes, called gene silencing is crucial to an organism’s health. Gene silenci...

AMD Risk Lowered By Silencing Two Genes

Researchers at Queen's University in Ireland have found a genetic link that could help in the treatment of age-related macular degeneration//. Professor Anne Hughes presented the findings of the study at the British Society for Human Genetics Conference in York last week. It also appears in Nature Genetics. "I am very pleased to have solved a complex and difficult genetic puzzle. This...

Nobel Prize for Gene ‘Silencing

This year, the Nobel prize for medicine has been conferred on two Americans, Andrew Z Fire of the MIT and Craig C Mello of the Harvard University//, for their discovery of ‘RNA interference’, a catalytic process proposed to occur in plants, animals and humans. involves the silencing of DNA by double- stranded RNA.This process plays a vital role in the regulat...
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(Date:7/24/2008)...e Pennsylvania State University College of Medicin...efficacy of imiquimod, a clinically important immu...itumor activity, is dependent on the Opioid Growth...ion. This discovery, reported in the August 08 is...es new insights into a widely used drug that may l...
(Date:7/24/2008)...-- Scientists at Harvard University and the Univer...olution is strongly shaped by genes, efforts to pr... Their study also suggests that the cost of error...roteins themselves, rather than the loss of functi...long-lived cells, like neurons, and cause neurodeg...
(Date:7/24/2008)... PAUL (July 24, 2008) A multi-institutional team ...sity of Minnesota Medical School, have developed a...The robust method will allow researchers to genera...e DNA sequences for inactivation or repair. , The..., Ph.D., director of the Arnold and Mabel Beckman ...
(Date:7/24/2008)...vel Structure Proteins (NSP), a new family of gene...e for Cancer Research and Molecular Medicine in Te...y, could be involved in apoptosis or programmed ce... by Nianli Sang, then a doctoral student at the Un...Jefferson University and the Cardeza Foundation, a...
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