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RNA Aptamers Targeted to Plasminogen Activator Inhibitor Can Block Its Anti-Clot-Busting Activity
New Rochelle, NY, June 19, 2014—Plasminogen activators are proteins involved in the breakdown of blood clots, and an elevated level of plasminogen activator inhibitor-1 (PAI-1) is associated with an increased risk for clotting and cardiovascular disease. No PAI-1 inhibitors are currently available for clinical use, but a novel therapeutic approach using a targeted RNA aptamer drug that has been shown to block PAI-1 activity and prevent PAI-1-associated vascular events is described in Nucleic Acid Therapeutics, a peer-reviewed journal from Mary Ann Liebert, Inc. publishers. The article is available on the Nucleic Acid Therapeutics website.
Jared Damare, Stephanie Brandal, and Yolanda Fortenberry, Johns Hopkins University School of Medicine, Baltimore, MD, designed a library of small RNA molecules that target different regions of PAI-1. They then screened the library and enriched for the aptamers that were the most selective for binding to and inhibiting the function of PAI-1. The authors demonstrate the ability of these RNA aptamers to prevent PAI-1 from interacting with plasminogen activators in the article "Inhibition of PAI-1 Antiproteolytic Activity Against tPA by RNA Aptamers."
“Even beyond the admirable care and rigor of the work, the therapeutic significance lies in the authors addressing a vital concern: the identification of an aptamer that can specifically disrupt the target function of PAI-1 without inhibiting its other functions,” says Executive Editor Graham C. Parker, PhD, The Carman and Ann Adams Department of Pediatrics, Wayne State University School of Medicine, Children's Hospital of Michigan, Detroit, MI.
Nucleic Acid Therapeutics is under the editorial leadership of Co-Editors-in-Chief Bruce A. Sullenger, PhD, Duke Translational Research Institute, Duke University Medical Center, Durham, NC, and C.A. Stein, MD, PhD, City of Hope National Medical Center, Duarte, CA; and Executive Editor Graham C. Parker, PhD.
About the Journal
Nucleic Acid Therapeutics is an authoritative, peer-reviewed journal published bimonthly in print and online that focuses on cutting-edge basic research, therapeutic applications, and drug development using nucleic acids or related compounds to alter gene expression. Nucleic Acid Therapeutics is the official journal of the Oligonucleotide Therapeutics Society. A complete table of contents and free sample issue may be viewed on the Nucleic Acid Therapeutics website.
About the Society
The Oligonucleotide Therapeutics Society is an open, nonprofit forum to foster academia- and industry-based research and development of oligonucleotide therapeutics. The society brings together the expertise from different angles of oligonucleotide research to create synergies and to bring the field of oligonucleotides to its full therapeutic potential.
About the Publisher
Mary Ann Liebert, Inc., publishers is a privately held, fully integrated media company known for establishing authoritative peer-reviewed journals in many promising areas of science and biomedical research, including Human Gene Therapy, Human Gene Therapy Methods, Human Gene Therapy Clinical Development, ASSAY and Drug Development Technologies, and DNA and Cell Biology. Its biotechnology trade magazine, Genetic Engineering & Biotechnology News (GEN), was the first in its field and is today the industry’s most widely read publication worldwide. A complete list of the firm’s 80 journals, books, and newsmagazines is available on the Mary Ann Liebert, Inc., publishers website.