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Articles 1 - 5 of 5
Full-Text Articles in Medicine and Health Sciences
Rna Nanotechnology For Next Generation Targeted Drug Delivery, Fengmei Pi
Rna Nanotechnology For Next Generation Targeted Drug Delivery, Fengmei Pi
Theses and Dissertations--Pharmacy
The emerging field of RNA nanotechnology is developing into a promising platform for therapeutically application. Utilizing the state-of-art RNA nanotechnology, RNA nanoparticles can be designed and constructed with controllable shape, size for both RNA therapeutics and chemical drug delivery. The high homogeneity in particle size and ease for RNA therapeutic module conjugation, made it feasible to explore versatile RNA nanoparticle designs for preclinical studies.
One vital module for therapeutic RNA nanoparticle design is RNA aptamer, which can enable the RNA nanoparticles find its specific target for targeted drug delivery. A system of screening divalent RNA aptamers for cancer cell targeting …
Investigating Mechanisms Determining Cancer Cell Sensitivity To Carfilzomib And Novel Strategies To Overcome Resistance, Lin Ao
Theses and Dissertations--Pharmacy
Proteasome inhibitors (PIs) are a class of FDA-approved anti-cancer agents which includes the first-generation PI bortezomib (BTZ) and second-generation carfilzomib (CFZ). Drug resistance is a major challenge in PI therapy with no solution currently available. While a few resistance mechanisms had been proposed for BTZ, little was known about CFZ resistance before the start of our studies. In this dissertation work, we investigated multiple mechanisms contributing to CFZ resistance—alterations in the drug transporter activity, metabolic stability, and proteasome activity profiles—and evaluated potential strategies to overcome CFZ resistance.
We observed marked upregulation of the drug efflux transporter P-glycoprotein (P-gp) in our …
Exploration Of The Srx-Prx Axis As A Small-Molecule Target, Murli Mishra
Exploration Of The Srx-Prx Axis As A Small-Molecule Target, Murli Mishra
Theses and Dissertations--Toxicology and Cancer Biology
Lung cancer is a leading cause of cancer-related mortality irrespective of gender. The Sulfiredoxin (Srx) and Peroxiredoxin (Prx) are a group of thiol-based antioxidant proteins that plays an essential role in non-small cell lung cancer. Understanding the molecular characteristics of the Srx-Prx interaction may help design the strategies for future development of therapeutic tools. Based on existing literature and preliminary data from our lab, we hypothesized that the Srx plays a critical role in lung carcinogenesis and targeting the Srx-Prx axis or Srx alone may facilitate future development of targeted therapeutics for prevention and treatment of lung cancer. First, …
Development Of Cocaine Hydrolase For Therapeutic Treatment Of Cocaine Abuse, Xiabin Chen
Development Of Cocaine Hydrolase For Therapeutic Treatment Of Cocaine Abuse, Xiabin Chen
Theses and Dissertations--Pharmacy
Cocaine abuse is a world-wide public health and social problem without a U.S. Food and Drug Administration (FDA)-approved medication. An ideal anti-cocaine medication would accelerate cocaine metabolism producing biologically inactive metabolites by administration of an efficient cocaine-specific exogenous enzyme. Recent studies in our lab have led to discovery of the desirable, highly efficient human cocaine hydrolases (hCocHs) that can efficiently detoxify and inactivate cocaine without affecting normal functions of central nervous system (CNS). Preclinical and clinical data have demonstrated that these hCocHs are safe for use in humans and effective for accelerating cocaine metabolism. However, the actual therapeutic use of …
Rna As A Unique Polymer To Build Controllable Nanostructures For Nanomedicine And Nanotechnology, Hui Li
Rna As A Unique Polymer To Build Controllable Nanostructures For Nanomedicine And Nanotechnology, Hui Li
Theses and Dissertations--Pharmacy
RNA nanotechnology is an emerging field that involves the design, construction and functionalization of nanostructures composed mainly of RNA for applications in biomedical and material sciences. RNA is a unique polymer with structural simplicity like DNA and functional diversity like proteins. A variety of RNA nanostructures have been reported with different geometrical structures and functionalities. This dissertation describes the design and construction of novel two-dimensional and three-dimensional self-assembled RNA nanostructures with applications in therapeutics delivery, cancer targeting and immunomodulation. Firstly, by using the ultra-stable pRNA three-way junction motif with controllable angles and arm lengths, tetrahedral architectures composed purely of RNA …