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Articles 1 - 4 of 4
Full-Text Articles in Nucleic Acids, Nucleotides, and Nucleosides
Reverse Micelles Produce Hydroxyapatite Nanoparticles As More Efficient Gene Delivery Carriers Than Regular Micelles, Vuk Uskoković
Reverse Micelles Produce Hydroxyapatite Nanoparticles As More Efficient Gene Delivery Carriers Than Regular Micelles, Vuk Uskoković
Administration and Staff Articles and Research
Hydroxyapatite (HAp) is an effective inorganic gene delivery carrier due to its ability to transport genetic cargo across cell membranes, protect it from proteolysis, and enable escape from late endosomes via pH-controlled dissolution. However, its transfection efficiency remains lower than that of viral agents, prompting studies of hybrids with cationic molecules or phases to enhance the gene delivery performance. This study reports on the synthesis of HAp in regular and reverse micellar regions of a ternary microemulsion system composed of cetyltrimethylammonium bromide (CTAB), 1-hexanol and water. Spectroscopic characterization revealed that CTAB headgroups adopted more ordered supramolecular conformations in reverse micelles …
Modifying Peptide/Lipid-Associated Nucleic Acids (Planas) For Crispr/Cas9 Ribonucleoprotein Delivery, Abdulelah Alhazza, Parvin Mahdipoor, Ryley Hall, Arthur Manda, Sandeep Lohan, Keykavous Parang, Hamidreza Montazeri Aliabadi
Modifying Peptide/Lipid-Associated Nucleic Acids (Planas) For Crispr/Cas9 Ribonucleoprotein Delivery, Abdulelah Alhazza, Parvin Mahdipoor, Ryley Hall, Arthur Manda, Sandeep Lohan, Keykavous Parang, Hamidreza Montazeri Aliabadi
Pharmacy Faculty Articles and Research
With the first reports on the possibility of genome editing by Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) and CRISPR-associated protein (Cas)9 surfacing in 2005, the enthusiasm for protein silencing via nucleic acid delivery experienced a resurgence following a period of diminished enthusiasm due to challenges in delivering small interfering RNAs (siRNA), especially in vivo. However, delivering the components necessary for this approach into the nucleus is challenging, maybe even more than the cytoplasmic delivery of siRNA. We previously reported the birth of peptide/lipid-associated nucleic acids (PLANAs) for siRNA delivery. This project was designed to investigate the efficiency of …
Micro- And Nanoparticulates For Dna Vaccine Delivery, Eric Farris, Deborah M. Brown, Amanda Ramer-Tait, Angela K. Pannier
Micro- And Nanoparticulates For Dna Vaccine Delivery, Eric Farris, Deborah M. Brown, Amanda Ramer-Tait, Angela K. Pannier
Department of Agricultural and Biological Systems Engineering: Faculty Publications
DNA vaccination has emerged as a promising alternative to traditional protein-based vaccines for the induction of protective immune responses. DNA vaccines offer several advantages over traditional vaccines, including increased stability, rapid and inexpensive production, and flexibility to produce vaccines for a wide variety of infectious diseases. However, the immunogenicity of DNA vaccines delivered as naked plasmid DNA is often weak due to degradation of the DNA by nucleases and inefficient delivery to immune cells. Therefore, biomaterial-based delivery systems based on micro- and nanoparticles that encapsulate plasmid DNA represent the most promising strategy for DNA vaccine delivery. Microparticulate delivery systems allow …
Regulation Of Collagenase Gene Expression By Il-1 Beta Requires Transcriptional And Post-Transcriptional Mechanisms, Matthew P. Vincenti, Charles I. Coon, Oneil Lee, Constance E. Brinckerhoff
Regulation Of Collagenase Gene Expression By Il-1 Beta Requires Transcriptional And Post-Transcriptional Mechanisms, Matthew P. Vincenti, Charles I. Coon, Oneil Lee, Constance E. Brinckerhoff
Dartmouth Scholarship
Interleukin-1 beta is believed to contribute to the pathophysiology of rheumatoid arthritis by activating collagenase gene expression. We have used a cell culture model of rabbit synovial fibroblasts to examine the molecular mechanisms of IL-1 beta-mediated collagenase gene expression. Stimulation of rabbit synovial fibroblasts with 10 ng/ml recombinant human IL-1 beta resulted in a 20-fold increase in collagenase mRNA by 12 h. Transient transfection studies using collagenase promoter-CAT constructs demonstrated that proximal sequences responded poorly to IL-1 beta, possibly due to insufficient activation of AP-1 by this cytokine. More distal sequences were required for IL-1 beta responsiveness, with a 4700 …