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Articles 1 - 6 of 6
Full-Text Articles in Medicinal Chemistry and Pharmaceutics
Proposing An Rna Interference (Rnai)-Based Treatment For Human Immunodeficiency Virus (Hiv) By Analyzing The Post-Transcriptional Gene Targeting Of Sars-Cov-2, Hepatitis C Virus, And A549 Lung Cancer Cells, Arjun Jagdeesh
Undergraduate Research Posters
Human Immunodeficiency Virus (HIV) is a retrovirus that infects CD4+ T cell lymphocytes in humans, leading to the development of Acquired Immunodeficiency Syndrome (AIDS) if left untreated. While current treatment methods, including antiretroviral combination treatments, effectively limit HIV replication, HIV can evade these treatments due to its high mutation rate. Long-term antiretroviral treatment can also be toxic to patients, meaning patients would benefit from a new mechanism of HIV treatment. RNA interference (RNAi) is an antiviral pathway found in mammals, plants, and insects that involves a small-interfering RNA that is incorporated into a protein complex called the RNA-induced Silencing Complex …
Delivery Of Small Molecule And Rna Using Synthetic Polymeric Micelles And Multifunctional Exosomes For The Treatment Of Type 1 Diabetes, Yang Peng
Theses & Dissertations
Type 1 diabetes is one of the most challenging chronic autoimmune diseases. The destruction and dysfunction of insulin-secreting β cells are the results of inflammatory infiltration and the synergistic effect of multiple immune cells. The aim of this dissertation is to develop novel and reliable therapeutic approaches to advance the treatment of T1D: including chemical modification of a broad-spectrum immunosuppressant, co-application of small molecule based immune intervention and siRNA based β cell preservative therapy, and administration of a PI3K-δ/γ dual inhibitor to specifically target immune cells, utilizing synthetic polymeric micelles or natural produced multi-functional exosomes derived from human bone marrow …
Drug Delivery Strategies For The Treatment Of Advanced Lung Cancer And Various Lung Metastases, Elizabeth Bielski
Drug Delivery Strategies For The Treatment Of Advanced Lung Cancer And Various Lung Metastases, Elizabeth Bielski
Wayne State University Dissertations
Lung cancer remains the leading cause of cancer-related deaths in the United States. Secondary lung tumors metastasized from other cancer sites also remains highly prevalent, in which most metastatic tumors cannot be cured with existing therapies. Chemoresistance (multi drug resistance – MDR) that develops intrinsically or acquired is one of the key factors leading to fatality in these patients. MDR develops form a variety of resistance mechanisms that can occur consecutively or concurrently, therefore, making most current treatments unsuccessful. Current therapies have known to slow tumor growth, but rarely provide a cure. Immunotherapy has seen some promise, including the use …
Folate Receptor Alpha Targeted Delivery And Characterization Of Polyethyleneimine-Graft-Polycaprolactone-Block-Poly(Ethylene Glycol) Containing Sirna Micelleplexes, Steven Jones
Wayne State University Dissertations
This dissertation focuses on the ability of polyethyleneimine-graft-polycaprolactone-block-poly(ethylene glycol) (PEI-g-PCL-b-PEG-Fol) folate decorated tri-block copolymers ability to deliver a targeted dose of siRNA. The micelleplexes that are formed upon electrostatic interaction with siRNA are used to deliver siRNA in a targeted manner to ovarian cancer cells that over-express Folate Receptor-α (FRα). Each conjugate showed suitable sizes below 200 nm with full siRNA condensation ability. Furthermore, flow cytometry and western blot analysis demonstrated that the best FRα targeted polymer was able to effectively deliver siRNA which resulted in protein knockdown of Toll-like receptor 4 (TLR4). Consequently, TLR4 knock down within SKOV-3 cells …
Transferrin Receptor Targeted Delivery Of Sirna For Gene Therapy, Yuran Xie
Transferrin Receptor Targeted Delivery Of Sirna For Gene Therapy, Yuran Xie
Wayne State University Dissertations
Gene therapy is thought to be a solution for various difficult to treat diseases such as cancer. Small interfering RNA (siRNA) as a promising anti-sense molecule can specifically silence disease related gene have been exploit in different diseases. However, lack of safe and efficient siRNA delivery systems limits the application of siRNA therapy in clinic. Transferrin receptor (TfR) is an essential transmembrane receptor involved in iron uptake. TfR universally express in most cells/ tissues but upregulated in certain cells, for example, many cancer cells and activated T cells (ATCs). To overcome the biological barriers and increase siRNA delivery efficiency, in …
Oligospermines For Non-Viral Sirna Delivery, Maha Elsayed
Oligospermines For Non-Viral Sirna Delivery, Maha Elsayed
Wayne State University Theses
In this thesis, delivery systems for siRNA delivery are introduced with special attention to non-viral vectors. Many successful vectors used in vivo were reviewed. Our work focused on the effect of different architectures of oligospermine polmers on their suitability for siRNA delivery in lung cancer cells. Different archituctures showed different polyplex structures and variable transfection efficiencies. Moreover, we presented a review on nanoimprint lithography techniques with an outlook on possible biological applications in the field of gene and drug delivery.