UCSF creates fast, affordable tool for finding gene 'on-off' switches
... UCSF scientists have created a method of quickly identifying large numbers of the genetic material known as short hairpin RNA also called shRNA that turns genes on and off. The method, which the research team has used to create a library of 22,000 of these "on-off" ...Foot Injuries Plague Athletes During Fall Sports Season
...sociation] (APMA), both professional and amateur athletes are at an extremely high risk for injuring their lower limbs during play. Whether performing hairpin turns on artificial turf or taking part in a powerful, high-speed collision with other players, foot and ankle injury risks for athletes run rampant -...Tufts researchers discover link between DNA palindromes and disease
... yak, a yam, a hat, a canal-Panama!'" Past DNA research had shown that long palindromes change the shape of the molecule from a double helix into a hairpin or cruciform like structure in a test tube. It was not known, however, whether these changes can occur inside cells and, if so, affect DNA functioning...The RNA drug revolution -- a new approach to gene therapy
...ere to stay. The excitement surrounding RNAi and the two main approaches to delivering RNA-based therapeuticsas mature siRNA molecules or as short hairpin RNAs (shRNAs)relates to the discovery of native microRNA molecules in human cells and their intrinsic ability to block the expression of a target gene...CytRx Announces Positive Results of Arimoclomol in Preclinical Stroke Recovery Studies
...nventor of fundamental technology for stabilizing RNAi and of RNAi nanotransporters, Greg Hannon, Ph.D., discoverer of RNAi mechanism (RISC) and short hairpin RNAi (shRNAi), and Michael Czech, Ph.D., a leader in the application of RNAi to diabetes and obesity. RXi's CEO, Tod Woolf, Ph.D., previously co-inven...CytRx Announces Clinical Results from Its Rising Multiple Dose Trial with Arimoclomol for ALS
...nventor of fundamental technology for stabilizing RNAi and of RNAi nanotransporters; Greg Hannon, Ph.D., discoverer of RNAi mechanism (RISC) and short hairpin RNAi (shRNAi); and Michael Czech, Ph.D., a leader in the application of RNAi to diabetes and obesity. RXi's CEO, Tod Woolf, Ph.D., previously co-inven...CytRx Reports Promising Data from Its Open-Label Extension Clinical Trial of Arimoclomol in ALS
...nventor of fundamental technology for stabilizing RNAi and of RNAi nanotransporters; Greg Hannon, Ph.D., discoverer of RNAi mechanism (RISC) and short hairpin RNAi (shRNAi); and Michael Czech, Ph.D., a leader in the application of RNAi to diabetes and obesity. RXi's CEO, Tod Woolf, Ph.D., previously co-inven...Researchers gain insight into mechanism underlying Huntington's
...and myotonic dystrophy, respectively tend to form hairpin structures via strand slippage in the newly synthe...sociated with DNA replication and/or repair. These hairpin structures are highly thermo-stable and do not "me...fied a novel DNA repair pathway referred to as DNA hairpin repair (HPR), which specifically targets TNR...Researchers observe single protein dimers wavering between two symmetrically opposed structures
...ced within the bacteria. This small "homodimer" is made up of two identical hairpin coils of amino acids, and has often been used as a model system to study pr...: the "anti" wild type (natural) conformation occurs when the "head" of one hairpin is paired with the "tail" of the second, and the "syn" structure is made up...Properties of unusual virus revealed in research
...A is shaped like a hairpin, whereas the E. coli bacterium's DNA is not shaped like a hairpin. Once the N4 RNA polymerase interacts with the phage's hairpin DNA, it begins to change its shape from a fisted form to a cupped form. By opening up, the RNA polymerase exposes its active site, which allows it to...Researchers study virus with unusual properties
...A is shaped like a hairpin, whereas the E. coli bacterium's DNA is not shaped like a hairpin. Once the N4 RNA polymerase interacts with the phage's hairpin DNA, it begins to change its shape from a fisted form to a cupped form. By opening up, the RNA polymerase exposes its active site, which allows it to...MGH researcher Gary Ruvkun named a co-recipient of the Lasker Award
...ad been snipped out of a larger RNA molecule that folds back on itself in a hairpin shape. Later that year Ruvkun published evidence that animals from fish to...hat the microRNAs of both lin-4 and let-7 are released from their precursor hairpin RNA molecules by the enzyme Dicer, which is also critical to the RNA interf...UD researchers discover novel 'gene toggles' in world's top food crop
...e sense and the antisense to a small region that includes the microRNA. In addition, splicing of the precursor of natural antisense microRNAs allows a hairpin to form, and hairpins are a requirement for any microRNA to be made. Green noted that such microRNAs are not present in the common research plant A...Stanford researchers make first direct observation of 3-D molecule folding in real time
...tly, tugging on its own incipient long tail and changing its shape in a way that will affect its eventual protein product. That RNA tail usually has a hairpin fold that straightens out when pulled. By tugging out this kink in the RNA, a riboswitch changes how the RNA is translated into protein, effectively t...MIT reports new twist in microRNA biology
...mbryo. These microRNAs fold into relatively simple hairpin structures, with two stretches of near-perfect com... back onto each other. One of the two 'arms' of a hairpin is then processed into a mature microRNA. The ...ellis reported that both arms of a single microRNA hairpin can also produce distinct, functional microRNAs, w...When it comes to gene transcription, random pauses aren’t quite so random, study finds
...tes, they behaved as predicted, pausing briefly at all of the backtrack and hairpin pause sites, but not actually backtracking or forming hairpins. "That's...ome researchers have argued that all pauses might be associated with either hairpin formation or backtracking, but the Cell study contradicts that assumption. ...Virus uses tiny RNA to evade the immune system
...recursors. MicroRNAs are made from messenger RNA molecules with distinctive hairpin folds. The hairpin structure is diced into a microRNA segment that works with another complex ...Team demos safety of RNA therapy
...arge doses of one type of RNA used for RNAi, short hairpin RNA, disrupted another key RNA pathway, the microR...rson. That first paper demonstrated that short hairpin RNA could lead to mouse fatality, he said. Researc... retroviruses to deliver genes that code for short hairpin RNA, which is a precursor to siRNA. Once the gene ...RNA Interference and Gene Silencing: History and Overview
...hese vectors have been engineered to express small hairpin RNAs (shRNAs), which get processed in viv...annon GJ, and Conklin DS. (2002). Short hairpin RNAs (shRNAs) induce sequence-specific ...erence by expression of short-interfering RNAs and hairpin RNAs in mammalian cells. Proc. Natl. A...Superior Gene Silencing Using Adenoviral Vectors
... or mutant polyglutamine (polyQ) alleles (Atx-Q166-GFP) containing a CAG expansion in Ataxin-3 (2). Adenoviral vectors that expressed hairpin siRNAs targeting either the wild type or the mutant allele were designed generated from these plasmids and used to infect Cos-7 ...siRNA Expression Vectors with Selectable Markers
...promoter to drive expression of a short hairpin RNA that mimics the structure of an siRNA (See Wh... sidebar). The insert that encodes this hairpin is designed to have two inverted repeats separated...the vector constitutively expresses the hairpin RNA, which induces silencing of the tar...Selecting siRNA Sequences to Incorporate into the pSilencer Vectors
...f two genes (GAPDH and cyclophilin) were selected and prepared using the Silencer siRNA Construction Kit. Sequences encoding hairpin siRNAs to the same target sequences were sub-cloned into p Silencer 2.0-U6 and 3.0-H1. The siRNAs and siRNA expression vectors ...Amplifluor UniPrimer II Fluorescein from CHEMICON
Description:... The Amplifluor UniPrimer-fluorescein is a hairpin primer labeled with a fluorescent energy transfer pair (fluorescein and non-fluorescent quencher) and a 3 single-stranded oligonucleotide tail. The U...pMIR-hU6-Luc, Human U6 Luciferase Control Vector from Mirus Bio Corporation
Description:...iginate from different transcripts expressed in the same cell or both siRNA strands may be part of a single transcript that folds back to form a short hairpin structure. The expression cassette(s) encoding the siRNA strands can be delivered to cells in the same fragment of DNA (hairpin expression cassette) o...pMIR-mU6, Mouse U6Template (Vector) from Mirus Bio Corporation
Description:...iginate from different transcripts expressed in the same cell or both siRNA strands may be part of a single transcript that folds back to form a short hairpin structure [2] (Figure 1). The expression cassette(s) encoding the siRNA strands can be delivered to cells in the same fragment of DNA (hairpin express...pMIR-mU6-Luc, Mouse U6 Luciferase Control Vector from Mirus Bio Corporation
Description:...iginate from different transcripts expressed in the same cell or both siRNA strands may be part of a single transcript that folds back to form a short hairpin structure. The expression cassette(s) encoding the siRNA strands can be delivered to cells in the same fragment of DNA (hairpin expression cassette) o...