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Articles 1 - 4 of 4
Full-Text Articles in Medical Biochemistry
Difatty Acyl-Conjugated Linear And Cyclic Peptides For Sirna Delivery, Hung Do, Meenakshi Sharma, Naglaa Salem El-Sayed, Parvin Mahdipoor, Emira Bousoik, Keykavous Parang, Hamidreza Montazeri Aliabadi
Difatty Acyl-Conjugated Linear And Cyclic Peptides For Sirna Delivery, Hung Do, Meenakshi Sharma, Naglaa Salem El-Sayed, Parvin Mahdipoor, Emira Bousoik, Keykavous Parang, Hamidreza Montazeri Aliabadi
Pharmacy Faculty Articles and Research
A number of amphiphilic difatty acyl linear and cyclic R5K2 peptide conjugates were synthesized by solid-phase peptide methods to enhance the interaction with the hydrophobic cellular phospholipid bilayer and to improve siRNA delivery and silencing. Binding to siRNA molecules was significantly less for the cyclic peptide conjugates. A gradual decrease was observed in the particle size of the complexes with increasing peptide/siRNA ratio for most of the synthesized peptides, suggesting the complex formation. Most of the complexes showed a particle size of less than 200 nm, which is considered an appropriate size for in vitro siRNA delivery. A number of …
Electrospun Collagen Nanofibers For Tissue Engineering, Nisha Sharma
Electrospun Collagen Nanofibers For Tissue Engineering, Nisha Sharma
Electronic Thesis and Dissertation Repository
Design and fabrication of the scaffold is an important part of the tissue engineering process. Nanofibrous scaffolds based on proteins are gaining increasing acceptance due to its structural similarity to the extracellular matrix. Making use of the electrospinning technique, rat tail collagen type I nanofibers were produced using a collagen in hexafluoroisopropanol (HFIP) solution. In addition to optimizing the electrospinning process parameters, the effect of humidity on fiber morphology and diameter was investigated for fiber size control for particular tissue engineering applications. A generalized humidity effect on polymer fiber diameter of the polymer solution electrospinning process was developed. The as …
Kinetic Studies Of Dna Repair Enzyme Alkbh2, Michael R. Vittori
Kinetic Studies Of Dna Repair Enzyme Alkbh2, Michael R. Vittori
Senior Honors Projects
The genomes of living organisms are under constant bombardment from various sources, including chemical modification stemming from processes within the organisms themselves or from exogenous agents, and from radiation. These sources of genomic damage may induce structural changes in the genome’s most basic functional units, the nucleotides that comprise DNA. Damage to an organism’s DNA may result in the production of dysfunctional or nonfunctional proteins. Failure to repair such damage may result in the compounding of successive mutations within the organism’s genome, the pathogenesis of cancer and various genetic disorders in humans. To ensure their viability, organisms have developed unique …
Synthesis And Anti-Hiv Activities Of Unsymmetrical Long Chain Dicarboxylate Esters Of Dinucleosides Reverse Transcriptase Inhibitors, Hitesh K. Agarwal, Bhupender S. Chhikara, Gustavo F. Doncel, Keykavous Parang
Synthesis And Anti-Hiv Activities Of Unsymmetrical Long Chain Dicarboxylate Esters Of Dinucleosides Reverse Transcriptase Inhibitors, Hitesh K. Agarwal, Bhupender S. Chhikara, Gustavo F. Doncel, Keykavous Parang
Pharmacy Faculty Articles and Research
A series of 11 unsymmetrical dinucleoside dicarboxylate conjugates of nucleoside reverse transcriptase inhibitors were synthesized. Three dicarboxylic acids, succinic acid, suberic acid and 1,14-tetradecandioc acid, were diesterified with either 3'-azido- 2',3'-dideoxythymidine (AZT), 3'-fluoro-2',3'-dideoxythymidine (FLT), 2',3'-dideoxy-3'-thiacytidine (3TC) or 5-fluoro-2',3'-dideoxy-3'- thiacytidine (FTC). The anti-HIV activity of synthesized compounds was evaluated against HIV-1 X4 (IIIB) and R5 (BaL) viral strains in single-round infection assays. Results indicated that the tetradecandioate esters of nucleosides were more active against HIV than the corresponding parent nucleosides and nucleoside conjugates. The tetradecandioate conjugate of FLT and FTC (5) was found to be the most potent compound with EC50 …