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Full-Text Articles in Entire DC Network
Investigating A New Drug Target In Alzheimer’S Disease: Nox2, Tiffany Adams
Investigating A New Drug Target In Alzheimer’S Disease: Nox2, Tiffany Adams
Theses and Dissertations--Pharmacy
Introduction: Alzheimer’s disease (AD) is a neurodegenerative disease with neuropathological changes in the blood-brain barrier that offers possible therapeutic targets. Oxidative stress is one driving factor for AD. NADPH oxidase 2 (NOX2) in the capillary endothelium produces reactive oxygen species, leading to oxidative stress-mediated blood-brain barrier dysfunction. We hypothesized that using a specific NOX2 inhibitor, PhoxI2, has the potential to reduce reactive oxygen species and repair amyloid-β (Aβ)-driven blood-brain barrier leakage in an AD mouse model.
Methods: For this study, 5xFAD (Familiar Alzheimer Disease) mice were treated with vehicle or PhoxI2, a NOX2 inhibitor. Techniques utilized were Enzyme-Linked Immunosorbent Assay …
Macrophage Polarization Status Impacts Nanoceria Cellular Distribution But Not Its Biotransformation Or Ferritin Effects, Uschi M. Graham, Alan K. Dozier, David James Feola, Michael T. Tseng, Robert Yokel
Macrophage Polarization Status Impacts Nanoceria Cellular Distribution But Not Its Biotransformation Or Ferritin Effects, Uschi M. Graham, Alan K. Dozier, David James Feola, Michael T. Tseng, Robert Yokel
Nanobiotechnology Center Faculty Publications
The innate immune system is the first line of defense against external threats through the initiation and regulation of inflammation. Macrophage differentiation into functional pheno- types influences the fate of nanomaterials taken up by these immune cells. High-resolution electron microscopy was used to investigate the uptake, distribution, and biotransformation of nanoceria in human and murine M1 and M2 macrophages in unprecedented detail. We found that M1 and M2 macrophages internalize nanoceria differently. M1-type macrophages predominantly sequester nanoceria near the plasma membrane, whereas nanoceria are more uniformly distributed throughout M2 macrophage cytoplasm. In contrast, both macrophage phenotypes show identical nanoceria biotransformation …
Carboxylic Acids And Light Interact To Affect Nanoceria Stability And Dissolution In Acidic Aqueous Environments, Matthew L. Hancock, Eric A. Grulke, Robert Yokel
Carboxylic Acids And Light Interact To Affect Nanoceria Stability And Dissolution In Acidic Aqueous Environments, Matthew L. Hancock, Eric A. Grulke, Robert Yokel
Nanobiotechnology Center Faculty Publications
Cerium atoms on the surfaces of nanoceria (i.e., cerium oxide in the form of nanoparticles) can store or release oxygen, cycling between Ce3+ and Ce4+; therefore, they can cause or relieve oxidative stress within living systems. Nanoceria dissolution occurs in acidic environments. Nanoceria stabilization is a known problem even during its synthesis; in fact, a carboxylic acid, namely citric acid, is used in many synthesis protocols. Citric acid adsorbs onto nanoceria surfaces, limiting particle formation and creating stable dispersions with extended shelf life. To better understand factors influencing the fate of nanoceria, its dissolution and stabilization have …
Striving For Appropriate Antibiotic Use: A Biomarker Initiative, And Outcomes Associated With Azithromycin Exposure, Amanda Gusovsky
Striving For Appropriate Antibiotic Use: A Biomarker Initiative, And Outcomes Associated With Azithromycin Exposure, Amanda Gusovsky
Theses and Dissertations--Pharmacy
The introduction of antibiotics into clinical practice is considered the greatest medical breakthrough of the 20thcentury. However, the use of antibiotics can contribute to the development of resistance. In the United States (U.S.), approximately 2.8 million people are infected with antibiotic-resistant bacteria each year, and more than 35,000 people die as a result. Moreover, some antibiotics are known to cause cardiac side effects including QT prolongation, hypotension, and ventricular arrythmias. The U.S. Centers for Disease Control and Prevention (CDC) defines appropriate antibiotic use as the effort to use “the right antibiotic, at the right dose, for the right …
Self-Assembled Ternary Polypeptide Nanoparticles With Improved Biostability For Drug Delivery In Cancer Therapy, Preye Mike Agbana
Self-Assembled Ternary Polypeptide Nanoparticles With Improved Biostability For Drug Delivery In Cancer Therapy, Preye Mike Agbana
Theses and Dissertations--Pharmacy
Cancer remains a real and present threat to global health. In the United States, according to cancer statistics, almost 40% of people will be diagnosed with cancer at some point in their lifetime. Conventional chemotherapy has become the mainstay for cancer treatment option. However, chemotherapeutic agents are plagued with problems such as poor aqueous solubility, chemical degradation, Bio instability, and off-site toxicity due to non-specificity. New drug modalities are needed to tackle the ever-growing burden on cancer. In recent times, the promise of nanotechnology has aided to develop drug delivery vehicles to facilitate the administration of potent chemotherapeutics. Nanoformulations such …
Investigation Of Folate-Poly(Glutamic Acid)/Polyethylenimine/Dna Complexes For In Vitro Gene Delivery, Caleb Akers
Investigation Of Folate-Poly(Glutamic Acid)/Polyethylenimine/Dna Complexes For In Vitro Gene Delivery, Caleb Akers
Theses and Dissertations--Pharmacy
Gene therapy is currently being studied as a treatment for a variety of indications, including cancer, infectious disease, and cardiovascular diseases, among others. While many of the early treatments in the field involved the use of viral delivery methods, various safety, ethical, and financial concerns limit the potential uses of this methodology. As such, more recent research has focused on developing non-viral delivery platforms to alleviate some of the issues inherent in viral delivery. Recently, the release of the COVID-19 vaccines from Pfizer and Moderna represents a promising use of non-viral delivery as both utilized a lipid-based delivery vector.
Despite …
Developing A Biocatalytic Toolbox To Aid In Understanding Nucleoside Antibiotics, Jasmine Brianna Woods
Developing A Biocatalytic Toolbox To Aid In Understanding Nucleoside Antibiotics, Jasmine Brianna Woods
Theses and Dissertations--Pharmacy
Antibiotic resistance happens when bacteria develop the ability to survive medications that normally terminate them. Instead, these super germs are able to survive in the body and produce a community of antibiotic resistance germs which can cause human fatalities. It is important to discover and develop new compounds and molecules that will improve this clinical obstacle. This research focused on analyzing the biosynthesis that incorporates distinctive chemical characteristic of various nucleoside antibiotics, ß-hydroxy amino acids and α-methyl-amino acids. ß-hydroxy amino acids and α-methyl-amino acids are considered an important class of industrially useful compounds, particularly for pharmaceutical development, and are found …
New Tools For Biocatalysis: Studies On The Carminomycin 4-O-Methyltransferase Dnrk, Elnaz Jalali
New Tools For Biocatalysis: Studies On The Carminomycin 4-O-Methyltransferase Dnrk, Elnaz Jalali
Theses and Dissertations--Pharmacy
Methyltransferases (MTs) are ubiquitous enzymes commonly involved in biosynthesis and regulation. The fundamental goal of this thesis was to explore the permissive nature of methyltransferases and leverage this unique biocatalytic feature to develop a new platform for chemoselective intramolecular cyclization reactions. To realize this ambitious goal, this thesis project set out to probe the substrate specificity of multiple natural product tailoring enzymes (MTs and glycosyltransferases), identify model substrates common to multiple such tailoring enzymes and subsequently establish multi-enzyme tandem reactions that would set the stage for a subsequent chemoselective intramolecular cyclization reaction. Chapter One highlights current state of the art …
Optimization Of Orally Bioavailable Inhibitors Of Defective In Cullin Neddylation 1 (Dcn-1), Leah Kovalic
Optimization Of Orally Bioavailable Inhibitors Of Defective In Cullin Neddylation 1 (Dcn-1), Leah Kovalic
Theses and Dissertations--Pharmacy
Ubiquitin (UB) and ubiquitin-like protein (UBL) pathways have emerged as important targets for oncology drug discovery based on the success of proteasome inhibitors (bortezomib or carfilzomib), E3 inhibitors, and the NEDD8 E1 inhibitor pevonedistat (MLN42924). Chemical inhibitors have also proven to be useful probes for identifying and dissecting multifactor UB and UBL regulatory networks. Toward this end, we have pursued approaches to target NEDD8 ligation to Cullins, through developing small molecule inhibitors of DCN1 (defective in Cullin Neddylation 1). DCN1 was discovered as a potentiating RBX1-dependent NEDD8-ligation, through recognizing the acetylated N-terminal methionine of the NEDD8 E2s UBE2M and UBE2F. …
Genetic And Pharmacogenetics Associations Of Cancer Disparities In Appalachia, Nan Lin
Genetic And Pharmacogenetics Associations Of Cancer Disparities In Appalachia, Nan Lin
Theses and Dissertations--Pharmacy
Individuals residing in Appalachian regions have significant health disparities, including higher cancer incidence and mortality rates. Previous studies have addressed the impact of socioeconomic status and environmental risk factors on Appalachia cancer disparities, while few studies have evaluated genetic risk factors.
Germline whole exome sequencing samples from 7,078 individuals with cancer (759 Appalachians) were evaluated. Demographics and relatedness were assessed using KING. Ethnicity was verified by principal component analysis using TRACE, which included 6,034 individuals (85%) of European genetic ancestry. After QC filtering, 5,980 individuals were analyzed. To assess the overall predisposition of hereditary disease, gene level frequency of likely …
An Epidemiological And Pharmacokinetic-Pharmacodynamic Investigation Into The Impact Of Carbapenem-Resistant Enterobacterales, Justin Clark
An Epidemiological And Pharmacokinetic-Pharmacodynamic Investigation Into The Impact Of Carbapenem-Resistant Enterobacterales, Justin Clark
Theses and Dissertations--Pharmacy
Background: According to the 2019 CDC Antibiotic Resistance Threats Report, more than 2.8 million antibiotic-resistant infections occur in the United States each year, leading to more than 35,000 deaths. Among the most urgent threats identified by the CDC are carbapenem-resistant Enterobacterales (CRE). Despite efforts to control the spread of these organisms, the number of estimated cases between 2012 and 2017 remained stable. In 2017, an estimated 13,100 hospitalized cases of CRE led to approximately 1,100 deaths and $130 million attributable healthcare costs. This dissertation seeks to address this issue from both a pharmacokinetic/pharmacodynamic and epidemiological perspective.
Methods: We evaluated the …
Bioinformatic Analysis Of Proteomic And Genomic Data From Nsclc Tumors On Prognostic And Predictive Factors Of Immunotherapy Treatment, Mark Wuenschel
Bioinformatic Analysis Of Proteomic And Genomic Data From Nsclc Tumors On Prognostic And Predictive Factors Of Immunotherapy Treatment, Mark Wuenschel
Theses and Dissertations--Pharmacy
Recent lung cancer research has led to advancements in molecular immunology, resulting in development of small molecule inhibitors, or immune checkpoint inhibitors, that propagate an anti-tumor T cell response. Despite increased overall and progression-free survival with reduced adverse effects compared to traditional chemotherapy, treating advanced stage lung adenocarcinoma patients remains non-curative, and evidence of non-responders or tumor recurrence to immune checkpoint inhibitor therapy is growing. Also, compared to traditional chemotherapy, there is a lower percentage of patients who respond to small molecule inhibitors. In this analysis of proteomic and genomic data from The Cancer Proteome Atlas and Global Data Commons …
Synthesis And Characterization Of D5-Barbarin For Use In Barbarin-Related Research, Sucheta Kudrimoti, Jacob Machin, Adedamola S. Arojojoye, Samuel G. Awuah, Rodney Eisenberg, Clara Fenger, George Maylin, Andreas F. Lehner, Thomas Tobin
Synthesis And Characterization Of D5-Barbarin For Use In Barbarin-Related Research, Sucheta Kudrimoti, Jacob Machin, Adedamola S. Arojojoye, Samuel G. Awuah, Rodney Eisenberg, Clara Fenger, George Maylin, Andreas F. Lehner, Thomas Tobin
Maxwell H. Gluck Equine Research Center Faculty Publications
Based on structural similarities and equine administration experiments, Barbarin, 5-phenyl-2-oxazolidinethione from Brassicaceae plants, is a possible source of equine urinary identifications of aminorex, (R,S)-5-phenyl-4,5-dihydro-1,3-oxazol-2-amine, an amphetamine-related US Drug Enforcement Administration (DEA) controlled substance considered illegal in sport horses. We now report the synthesis and certification of d5-barbarin to facilitate research on the relationship between plant barbarin and such aminorex identifications. D5-barbarin synthesis commenced with production of d5-2-oxo-2-phenylacetaldehyde oxime (d5-oxime) from d5-acetophenone via butylnitrite in an ethoxide/ethanol solution. This d5-oxime was then reduced with lithium aluminum …
Cerium Dioxide, A Jekyll And Hyde Nanomaterial, Can Increase Basal And Decrease Elevated Inflammation And Oxidative Stress, Robert Yokel, Marsha L. Ensor, Hemendra J. Vekaria, Patrick G. Sullivan, David J. Feola, Arnold Stromberg, Michael T. Tseng, Douglas A. Harrison
Cerium Dioxide, A Jekyll And Hyde Nanomaterial, Can Increase Basal And Decrease Elevated Inflammation And Oxidative Stress, Robert Yokel, Marsha L. Ensor, Hemendra J. Vekaria, Patrick G. Sullivan, David J. Feola, Arnold Stromberg, Michael T. Tseng, Douglas A. Harrison
Pharmaceutical Sciences Faculty Publications
It was hypothesized that the catalyst nanoceria can increase oxidative
stress/inflammation from the basal state and reduce it from the elevated state .
Nanoceria are cleared by macrophages. To test the hypothesis, M0 (non-polarized),
M1- (classically activated, pro-inflammatory), and M2-like (alternatively activated,
regulatory phenotype) RAW 264.7 macrophages were nanoceria exposed. Responses
were quantified by arginase activity, IL-1ß level, cell oxygen consumption rate (OCR),
the glycolysis stress test (GST), morphology determined by light microscopy,
macrophage phenotype marker expression and morphology using a novel three
dimensional immunohistochemical method, and RT-qPCR. Nanoceria blocked
arginase and IL-1ß effects, increased M0 cell OCR and GST …
Preliminary Research On A Covid-19 Test Strategy To Guide Quarantine Interval In University Students, Jill M. Kolesar, Tyler Gayheart, Lance Poston, Eric Monday, Derek Forster, Elizabeth Belcher, Rani Jaiswal, J. Kirsten Turner, Donna K. Arnett, Eric B. Durbin, Joseph Monroe, Frank Romanelli, Susanne M. Arnold, C. Darrell Jennings, Heidi Weiss, Robert Dipaola
Preliminary Research On A Covid-19 Test Strategy To Guide Quarantine Interval In University Students, Jill M. Kolesar, Tyler Gayheart, Lance Poston, Eric Monday, Derek Forster, Elizabeth Belcher, Rani Jaiswal, J. Kirsten Turner, Donna K. Arnett, Eric B. Durbin, Joseph Monroe, Frank Romanelli, Susanne M. Arnold, C. Darrell Jennings, Heidi Weiss, Robert Dipaola
Pharmacy Practice and Science Faculty Publications
Following COVID-19 exposure, the Centers for Disease Control (CDC) recommends a 10–14-day quarantine for asymptomatic individuals and more recently a 7-day quarantine with a negative PCR test. A university-based prospective cohort study to determine if early polymerase chain reaction (PCR) negativity predicts day 14 negativity was performed. A total of 741 asymptomatic students in quarantine was screened and 101 enrolled. Nasopharyngeal swabs were tested on days 3 or 4, 5, 7, 10, and 14, and the proportion of concordant negative results for each day versus day 14 with a two-sided 95% exact binomial confidence interval was determined. Rates of concordant …
Integration Of Liquid Biopsy And Pharmacogenomics For Precision Therapy Of Egfr Mutant And Resistant Lung Cancers, Jill M. Kolesar, Spencer Peh, Levin Thomas, Gayathri Baburaj, Nayonika Mukherjee, Raveena Kantamneni, Shirley Lewis, Ananth Pai, Karthik S. Udupa, Naveena Kumar An, Vivek M. Rangnekar, Mahadev Rao
Integration Of Liquid Biopsy And Pharmacogenomics For Precision Therapy Of Egfr Mutant And Resistant Lung Cancers, Jill M. Kolesar, Spencer Peh, Levin Thomas, Gayathri Baburaj, Nayonika Mukherjee, Raveena Kantamneni, Shirley Lewis, Ananth Pai, Karthik S. Udupa, Naveena Kumar An, Vivek M. Rangnekar, Mahadev Rao
Pharmacy Practice and Science Faculty Publications
The advent of molecular profiling has revolutionized the treatment of lung cancer by comprehensively delineating the genomic landscape of the epidermal growth factor receptor (EGFR) gene. Drug resistance caused by EGFR mutations and genetic polymorphisms of drug metabolizing enzymes and transporters impedes effective treatment of EGFR mutant and resistant lung cancer. This review appraises current literature, opportunities, and challenges associated with liquid biopsy and pharmacogenomic (PGx) testing as precision therapy tools in the management of EGFR mutant and resistant lung cancers. Liquid biopsy could play a potential role in selection of precise tyrosine kinase inhibitor (TKI) therapies during different phases …
Editorial: Anticancer Potential Of Artemisia Annua, Jill M. Kolesar, Peter H. Seeberger
Editorial: Anticancer Potential Of Artemisia Annua, Jill M. Kolesar, Peter H. Seeberger
Pharmacy Practice and Science Faculty Publications
No abstract provided.
Sex Differences In Kappa Opioid Receptor Agonist Mediated Attenuation Of Chemotherapy-Induced Neuropathic Pain In Mice, Kelly F. Paton, Dan Luo, Anne C. La Flamme, Thomas E. Prisinzano, Bronwyn M. Kivell
Sex Differences In Kappa Opioid Receptor Agonist Mediated Attenuation Of Chemotherapy-Induced Neuropathic Pain In Mice, Kelly F. Paton, Dan Luo, Anne C. La Flamme, Thomas E. Prisinzano, Bronwyn M. Kivell
Pharmaceutical Sciences Faculty Publications
Chemotherapy-induced neuropathic pain is a common side effect for cancer patients which has limited effective treatment options. Kappa opioid receptor (KOR) agonists are a promising alternative to currently available opioid drugs due to their low abuse potential. In the current study, we have investigated the effects of Salvinorin A (SalA) analogues, 16-Ethynyl SalA, 16-Bromo SalA and ethyoxymethyl ether (EOM) SalB, and in a preclinical model of paclitaxel-induced neuropathic pain in male and female C57BL/6J mice. Using an acute dose-response procedure, we showed that compared to morphine, 16-Ethynyl SalA was more potent at reducing mechanical allodynia; and SalA, 16-Ethynyl SalA, and …
Similarly Efficacious Anti-Malarial Drugs Sj733 And Pyronaridine Differ In Their Ability To Remove Circulating Parasites In Mice, Arya Sheelanair, Aleksandra S. Romanczuk, Rosemary A. Aogo, Rohit Nemai Haldar, Lianne I. M. Lansink, Deborah Cromer, Yandira G. Salinas, R. Kiplin Guy, James S. Mccarthy, Miles P. Davenport, Ashraful Haque, David S. Khoury
Similarly Efficacious Anti-Malarial Drugs Sj733 And Pyronaridine Differ In Their Ability To Remove Circulating Parasites In Mice, Arya Sheelanair, Aleksandra S. Romanczuk, Rosemary A. Aogo, Rohit Nemai Haldar, Lianne I. M. Lansink, Deborah Cromer, Yandira G. Salinas, R. Kiplin Guy, James S. Mccarthy, Miles P. Davenport, Ashraful Haque, David S. Khoury
Pharmaceutical Sciences Faculty Publications
BACKGROUND: Artemisinin-based combination therapy (ACT) has been a mainstay for malaria prevention and treatment. However, emergence of drug resistance has incentivised development of new drugs. Defining the kinetics with which circulating parasitized red blood cells (pRBC) are lost after drug treatment, referred to as the "parasite clearance curve", has been critical for assessing drug efficacy; yet underlying mechanisms remain partly unresolved. The clearance curve may be shaped both by the rate at which drugs kill parasites, and the rate at which drug-affected parasites are removed from circulation.
METHODS: In this context, two anti-malarials, SJ733, and an ACT partner drug, pyronaridine …
Prostacyclin Promotes Degenerative Pathology In A Model Of Alzheimer’S Disease, Tasha R. Womack, Craig T. Vollert, Odochi Ohia-Nwoko, Monika Schmitt, Saghi Montazari, Tina L. Beckett, David Mayerich, M. Paul Murphy, Jason L. Eriksen
Prostacyclin Promotes Degenerative Pathology In A Model Of Alzheimer’S Disease, Tasha R. Womack, Craig T. Vollert, Odochi Ohia-Nwoko, Monika Schmitt, Saghi Montazari, Tina L. Beckett, David Mayerich, M. Paul Murphy, Jason L. Eriksen
Molecular and Cellular Biochemistry Faculty Publications
Alzheimer’s disease (AD) is a progressive neurodegenerative disorder that is the most common form of dementia in aged populations. A substantial amount of data demonstrates that chronic neuroinflammation can accelerate neurodegenerative pathologies. In AD, chronic neuroinflammation results in the upregulation of cyclooxygenase and increased production of prostaglandin H2, a precursor for many vasoactive prostanoids. While it is well-established that many prostaglandins can modulate the progression of neurodegenerative disorders, the role of prostacyclin (PGI2) in the brain is poorly understood. We have conducted studies to assess the effect of elevated prostacyclin biosynthesis in a mouse model of AD. Upregulated prostacyclin expression …
Frequency And Types Of Healthcare Encounters In The Week Preceding A Sepsis Hospitalization: A Systematic Review, Alexander H. Flannery, Chad M. Venn, Amanda Gusovsky, Stephanie Henderson, Adam S. Kiser, Hallie C. Prescott, Chanu Rhee, Chris Delcher, Peter E. Morris
Frequency And Types Of Healthcare Encounters In The Week Preceding A Sepsis Hospitalization: A Systematic Review, Alexander H. Flannery, Chad M. Venn, Amanda Gusovsky, Stephanie Henderson, Adam S. Kiser, Hallie C. Prescott, Chanu Rhee, Chris Delcher, Peter E. Morris
Pharmacy Practice and Science Faculty Publications
OBJECTIVES: Early recognition and treatment are critical to improving sepsis outcomes. We sought to identify the frequency and types of encounters that patients have with the healthcare system in the week prior to a sepsis hospitalization.
DATA SOURCES: PubMed, Cumulative Index to Nursing and Allied Health Literature, Scopus, and the Cochrane Library.
STUDY SELECTION: Observational cohort studies of patients hospitalized with sepsis or septic shock that were assessed for an outpatient or emergency department encounter with the healthcare system in the week prior to hospital admission.
DATA EXTRACTION: The primary outcome was the proportion of patients with a healthcare encounter …
Therapeutic Treatment With The Anti-Inflammatory Drug Candidate Mw151 May Partially Reduce Memory Impairment And Normalizes Hippocampal Metabolic Markers In A Mouse Model Of Comorbid Amyloid And Vascular Pathology, David J. Braun, David K. Powell, Christopher J. Mclouth, Saktimayee M. Roy, D. Martin Watterson, Linda J. Van Eldik
Therapeutic Treatment With The Anti-Inflammatory Drug Candidate Mw151 May Partially Reduce Memory Impairment And Normalizes Hippocampal Metabolic Markers In A Mouse Model Of Comorbid Amyloid And Vascular Pathology, David J. Braun, David K. Powell, Christopher J. Mclouth, Saktimayee M. Roy, D. Martin Watterson, Linda J. Van Eldik
Neuroscience Faculty Publications
Alzheimer's disease (AD) is the leading cause of dementia in the elderly, but therapeutic options are lacking. Despite long being able to effectively treat the ill-effects of pathology present in various rodent models of AD, translation of these strategies to the clinic has so far been disappointing. One potential contributor to this situation is the fact that the vast majority of AD patients have other dementia-contributing comorbid pathologies, the most common of which are vascular in nature. This situation is modeled relatively infrequently in basic AD research, and almost never in preclinical studies. As part of our efforts to develop …
A Qualitative Study On Pharmacy Policies Toward Over-The-Counter Syringe Sales In A Rural Epicenter Of Us Drug-Related Epidemics, Monica Fadanelli, Hannah L. F. Cooper, Patricia R. Freeman, April M. Ballard, Umed Ibragimov, April M. Young
A Qualitative Study On Pharmacy Policies Toward Over-The-Counter Syringe Sales In A Rural Epicenter Of Us Drug-Related Epidemics, Monica Fadanelli, Hannah L. F. Cooper, Patricia R. Freeman, April M. Ballard, Umed Ibragimov, April M. Young
Pharmacy Practice and Science Faculty Publications
BACKGROUND: Expanding access to sterile syringes in rural areas is vital, as injection-related epidemics expand beyond metropolitan areas globally. While pharmacies have potential to be an easily accessible source of sterile syringes, research in cities has identified moral, legal and ethical barriers that preclude over-the-counter (OTC) sales to people who inject drugs (PWID). The current study builds on prior urban-based research by elucidating (1) pharmacy OTC policies and (2) pharmacists' rationale for, and barriers and facilitators to, OTC syringe sales in a US rural area hard hit by drug-related epidemics.
METHODS: We conducted 14 semi-structured interviews with pharmacists recruited from …
Building Tools For Improved Modulation Of The Human Gabaa Receptor, A Central Nervous System Target For The Treatment Of Anxiety, Garrett Edward Zinck
Building Tools For Improved Modulation Of The Human Gabaa Receptor, A Central Nervous System Target For The Treatment Of Anxiety, Garrett Edward Zinck
Theses and Dissertations--Pharmacy
In the U.S., anxiety is recognized as an increasing range of mentally and physically debilitating psychiatric health disorders with significant economic repercussions. Over the last 20 years, several novel anti-anxiety therapies have entered the drug development pipeline, but none have made it to market.
The work in this dissertation focused on structurally modifying valerenic acid (VA), a structurally unique carboxylated sesquiterpene acid found in Valeriana officinalis. VA is putatively reported to have allosteric modulatory activity of the human GABAA receptor, a ligand-gated ion channel responsible for attenuating neurotransmissions. Structural modeling of VA’s GABAA receptor interaction suggests that …
Studies Toward The Development Of An Improved Countermeasure For Synthetic Opioid Overdose, Sidnee L. Hedrick
Studies Toward The Development Of An Improved Countermeasure For Synthetic Opioid Overdose, Sidnee L. Hedrick
Theses and Dissertations--Pharmacy
One of the most prominent opioid analgesics in the United States is the high potency agonist fentanyl. It is used in the treatment of acute and chronic pain and as an anesthetic adjuvant. When used inappropriately, however, ingestion of just a few milligrams of fentanyl or other synthetic opioid can cause opioid-induced respiratory depression (OIRD), often leading to death. Currently, the treatment of choice for OIRD is the opioid receptor antagonist naloxone. Recent reports, however, suggest that higher doses or repeated dosing of naloxone (due to recurrence of respiratory depression) may be required to fully reverse fentanyl-induced respiratory depression, rendering …
Investigating The Physical Stability Of Amorphous Pharmaceutical Formulations, Travis W. Jarrells
Investigating The Physical Stability Of Amorphous Pharmaceutical Formulations, Travis W. Jarrells
Theses and Dissertations--Pharmacy
Amorphous formulations, including amorphous solid dispersions (ASDs), consisting of the active pharmaceutical ingredient (API) intimately mixed in a polymeric matrix, are an attractive formulation approach to improve drug delivery, dissolution, and solubility. However, an amorphous API in an ASD is in a higher energy state compared to the crystalline drug and results in most ASDs being inherently unstable. The polymer helps to stabilize the amorphous drug against crystallization such that the resulting homogenous mixture maintains its solubility advantage relative to the crystalline form. One challenge of ASDs is that the presence of impurities including crystals or residual solvent, variations in …
Liposomal Technologies To Improve Gene Delivery, David Nardo Padron
Liposomal Technologies To Improve Gene Delivery, David Nardo Padron
Theses and Dissertations--Pharmacy
Lipid based nanoparticles (LBNs) are used in myriad applications in medicine from small molecule drug delivery to mRNA vaccines. A major contributing factor to the development of the field has been the ongoing development of novel compounds that retain the functionality of natural lipids but expand upon them through inclusion of functional moieties that can be applied to specific scientific and biomedical questions. In the body of this dissertation, an extensive overview of LBNs is provided, focusing primarily on their use in immune modulation. The research presented herein begins with the synthesis of a novel class of lipids based on …
Development Of Zafirlukast Derivatives Active Against Porphyromonas Gingivalis, Kaitlind C. Howard
Development Of Zafirlukast Derivatives Active Against Porphyromonas Gingivalis, Kaitlind C. Howard
Theses and Dissertations--Pharmacy
Periodontal diseases are inflammatory diseases that can lead to damage of the soft tissue and bone supporting the teeth. Gingivitis is the reversible early stage of gum disease, which consist of gums that bleed when brushing or flossing teeth. When left untreated, the preventable but irreversible late stage of periodontal disease, periodontitis, can lead teeth to loosen or even fall out. Oral bacterial species, such as the Gram-negative anaerobic pathogen Porphyromonas gingivalis trigger these inflammatory diseases through oral dysbiosis. P. gingivalis is a keystone pathogen, meaning that the damage caused by P. gingivalis is not proportional to its abundance. Treatment …
The Relative Contribution Of Liver And Intestine In Reverse Cholesterol Transport, Rupinder Kaur
The Relative Contribution Of Liver And Intestine In Reverse Cholesterol Transport, Rupinder Kaur
Theses and Dissertations--Pharmacy
Despite decades of advances in research, death due to cardiometabolic disease remains the largest contributor to mortality in the US. While present therapies oppose “forward cholesterol transport,” and atherosclerotic plaque progression, they do not remove cholesterol from established atherosclerotic plaques. Reverse cholesterol transport (RCT) is the active process of mobilizing peripheral cholesterol for excretion through the hepatobiliary (transhepatic cholesterol elimination, THCE) or intestinal (transintestinal cholesterol elimination, TICE) pathways. Currently, there are no clinically approved therapeutics that target RCT. Elucidation of the mechanisms that govern RCT and TICE, and the subsequent identification of novel targets is of importance. The present work …
Analysis Of Potential Facilitators To Use Of Hiv Pre-Exposure Prophylaxis (Prep) In A Young Transgender Population, Noah Dixon
Theses and Dissertations--Pharmacy
Pre-exposure prophylaxis for HIV prevention (PrEP) is heavily under-utilized in transgender youth, a population which experiences high risk factors for contracting HIV and exhibits unique barriers to care. This retrospective study used a secondary data analysis of survey results from transgender youth between 16-and 24-years-old to analyze various exposures for association with PrEP use. It was hypothesized that medical gender affirming therapy, mental health care treatment, and HIV programming would be independently associated with increased use of PrEP in transgender youth. It was found that only HIV prevention services and programming related to HIV or gender identity were associated with …