Small interfering RNA (siRNA), sometimes known as short interfering RNA or silencing RNA, is a class of double-stranded RNA molecules, 20-25 nucleotides in length, that play a variety of roles in biology. Most notably, siRNA is involved in the RNA interference (RNAi) pathway, where it interferes with the expression of a specific gene. In addition to their role in the RNAi pathway, siRNAs also act in RNAi-related pathways, e.g., as an antiviral mechanism or in shaping the chromatin structure of a genome; the complexity of these pathways is only now being elucidated.
Previous studies have indicated that the heparanase (HPA) is correlated with histopathological parameters and poor prognosis of gastric cancers. Although their efficiencies in inhibiting the expression of HPA, the traditional HPA inhibitors may produce nonspecific and undesirable effects. In recent years, genetic approaches targeting HPA have been regarded as a promising alternative.
Researchers at Huntsman Cancer Institute, in collaboration with a worldwide group of physicians and scientists, have discovered a remarkable treatment for a rare, yet debilitating, skin condition.
Sigma-Aldrich® today announced the launch of a unique life science-focused application for the social media site, Facebook. Developed and marketed by Sigma® Life Science, the 'What's Your Favorite Gene?' application is the first and currently only application of its kind available on Facebook, and provides a platform that can enable scientists and researchers to network with each other and facilitate discussion based on their favorite genes, identifiable via gene functionality and biological pathways.
Alnylam Pharmaceuticals, Inc., a leading RNAi therapeutics company, today announced new pre-clinical data from its ALN-VSP program presented at the AACR-NCI-EORTC Molecular Targets and Cancer Therapeutics International conference being held November 15 - 19, 2009 in Boston, Mass.
RXi Pharmaceuticals Corporation, a biopharmaceutical company pursuing the development and commercialization of proprietary therapeutics based on RNA interference (RNAi), today reported its financial results for the quarter ended September 30, 2009.
Alnylam Pharmaceuticals, Inc., a leading RNAi therapeutics company, is providing an update on its RNAi pipeline, platform, and technology at its R&D Day being held in New York today.
Mersana Therapeutics, a platform-based cancer therapeutics company, announced today that a review of the Company's lead compound, XMT-1001, will appear in the November 12, 2009 special issue of Advanced Drug Delivery Reviews on Polymer Therapeutics: Clinical Applications and Challenges for Development.
Alnylam Pharmaceuticals, Inc., a leading RNAi therapeutics company, announced today that it presented new data related to its overall delivery research efforts including the rational design of Mimetic Lipoprotein Particles, or MLPs, a novel technology for the systemic delivery of small interfering RNAs, or siRNAs, the molecules that mediate RNAi.
Sigma-Aldrich today announced a worldwide licensing agreement with Polyplus-transfection (Strasbourg, France) to manufacture and commercialize Zip Nucleic Acid (ZNA(TM)) oligonucleotides, a new technology that provides solutions for increased affinity for nucleic acids.
Arrowhead Research Corporation’s (NASDAQ: ARWR) President and Chief Executive Officer today issued the following letter to the Company’s shareholders.
Alnylam Pharmaceuticals, Inc., a leading RNAi therapeutics company, and KOKEN Co., Ltd., a leading atelocollagen company, announced today that Alnylam has granted KOKEN a non-exclusive worldwide license to manufacture and provide RNAi research products and services under the Kreutzer-Limmer patent family.
Quark Pharmaceuticals, Inc., a development-stage pharmaceutical company discovering and developing novel RNA interference (RNAi)-based therapeutics, today announced issuance of Japanese Patent Number: 4354633, titled, "Hypoxia regulated genes," on August 7, 2009.
RXi Pharmaceuticals Corporation, a biopharmaceutical company pursuing the development and commercialization of proprietary therapeutics based on RNA interference (RNAi), today announced the presentation of new preclinical data from its advanced RNAi therapeutic platform at its Annual Investor Event held in New York City on Monday, October 5, 2009.
RXi Pharmaceuticals Corporation, a biopharmaceutical company pursuing the development and commercialization of proprietary therapeutics based on RNA interference (RNAi), today announced that Notices of Allowance were recently issued by the United States Patent Office (USPTO) on patent applications filed by Thermo Fisher Scientific Inc. and licensed to RXi Pharmaceuticals encompassing small interfering RNA (siRNA) sequences targeting superoxide dismutase (SOD1), Amyloid beta (A4) precursor protein (APP), interleukin-1 receptor-associated kinase 4 (IRAK4), hepatocyte growth factor receptor (MET protooncogene) and cyclin-dependent kinase (cdk) inhibitor p27 (also known as Kip1, CDKN1B).
Liquidia Technologies today announced its founder, Dr. Joseph DeSimone, has received the National Institutes of Health (NIH) Director’s Pioneer Award. Pioneer Awards are designed to support individual scientists of exceptional creativity who propose pioneering – and possibly transforming – approaches to major challenges in biomedical and behavioral research.
Three scientists from the University of North Carolina at Chapel Hill School of Medicine and the UNC Lineberger Comprehensive Cancer Center have received prestigious awards from the National Institutes of Health (NIH) aimed at encouraging "high risk" and innovative research.
Small pieces of nucleic acid known as short interfering RNAs, or siRNAs, can turn off the production of specific proteins, a property that makes them one of the more promising new classes of anticancer drugs in development. Indeed, at least two siRNA-based anticancer therapies, both delivered to tumors in nanoparticles, have begun human clinical trials.
Bio-Path Holdings, Inc. (OTCBB: BPTH), a publicly traded biotechnology company with drug development operations in Houston, Texas, announced today the Company has executed an exclusive license with The University of Texas M. D. Anderson Cancer Center to develop liposome tumor targeting technology. Bio-Path is currently developing a neutral-lipid based liposome delivery technology for nucleic acid cancer drugs (including antisense and siRNA molecules).
Researchers at the Burnham Institute for Medical Research (Burnham) have discovered that reactive oxygen species, such as superoxide and hydrogen peroxide, play a key role in forming invadopodia, cellular protrusions implicated in cancer cell migration and tumor metastasis.
Santaris Pharma A/S, a privately-held biopharmaceutical company focused on developing RNA-based drugs targeted to disease-related mRNAs and microRNAs, today announced it has established operations in the United States. Internally and through its partners, the Company has a robust drug development pipeline including programs to treat metabolic disorders, infectious and inflammatory diseases, cancer and rare genetic disorders.
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