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Full-Text Articles in Pharmacy and Pharmaceutical Sciences

Predicting Survival Of Nsclc Patients Treated With Immune Checkpoint Inhibitors: Impact And Timing Of Immune-Related Adverse Events And Prior Tyrosine Kinase Inhibitor Therapy, Michael R. Sayer, Isa Mambetsariev, Kun-Han Lu, Chi Wah Wong, Ashley Duche, Richard Beuttler, Jeremy Fricke, Rebecca Pharaon, Leonidas Arvanitis, Zahra Eftekhari, Arya Amini, Marianna Koczywas, Erminia Massarelli, Moom Rahman Roosan, Ravi Salgia Feb 2023

Predicting Survival Of Nsclc Patients Treated With Immune Checkpoint Inhibitors: Impact And Timing Of Immune-Related Adverse Events And Prior Tyrosine Kinase Inhibitor Therapy, Michael R. Sayer, Isa Mambetsariev, Kun-Han Lu, Chi Wah Wong, Ashley Duche, Richard Beuttler, Jeremy Fricke, Rebecca Pharaon, Leonidas Arvanitis, Zahra Eftekhari, Arya Amini, Marianna Koczywas, Erminia Massarelli, Moom Rahman Roosan, Ravi Salgia

Pharmacy Faculty Articles and Research

Introduction: Immune checkpoint inhibitors (ICIs) produce a broad spectrum of immune-related adverse events (irAEs) affecting various organ systems. While ICIs are established as a therapeutic option in non-small cell lung cancer (NSCLC) treatment, most patients receiving ICI relapse. Additionally, the role of ICIs on survival in patients receiving prior targeted tyrosine kinase inhibitor (TKI) therapy has not been well-defined.

Objective: To investigate the impact of irAEs, the relative time of occurrence, and prior TKI therapy to predict clinical outcomes in NSCLC patients treated with ICIs.

Methods: A single center retrospective cohort study identified 354 adult patients with NSCLC receiving ICI …


Challenging Breast Cancer Through Novel Sulfonamide–Pyridine Hybrids: Design, Synthesis, Carbonic Anhydrase Ix Inhibition And Induction Of Apoptosis., Amira Khalil, Nashwa H. Zaher, Reham Mm Elhazek, Ahmed E. Gouda, Marwa G. Elgazzar Feb 2023

Challenging Breast Cancer Through Novel Sulfonamide–Pyridine Hybrids: Design, Synthesis, Carbonic Anhydrase Ix Inhibition And Induction Of Apoptosis., Amira Khalil, Nashwa H. Zaher, Reham Mm Elhazek, Ahmed E. Gouda, Marwa G. Elgazzar

Pharmacy

Background: Among the important key modulators of the tumor microenvironment and hypoxia is a family of enzymes named carbonic anhydrases. Herein, 11 novel sulfonamide–pyridine hybrids (2–12) were designed, synthesized and biologically evaluated for their potential use in targeting breast cancer. Methods & results: The para chloro derivative 7 reported the highest cytotoxic activity against the three breast cancer cell lines used. In addition, compound 7 was found to induce cell cycle arrest and autophagy as well as delaying wound healing. The IC50 of compound 7 against carbonic anhydrase IX was 253 ± 12 nM using dorzolamide HCl as control. Conclusion: …


January / February 2023, Randy Curry, Cindy Brooks Feb 2023

January / February 2023, Randy Curry, Cindy Brooks

RURAL ROCKS

This is the January & February 2023 issue of Rural Rocks from the SWOSU College of Pharmacy.


Brivaracetam To Treat Partial Onset Seizures In Adults., Dustin Latimer, David Le, Evan P. Falgoust, Patrick Ingraffia, Alaa Abd-Elsayed, Elyse M. Cornett, Rupin Singh, Joohee Choi, Giustino Varrassi, Adam M. Kaye, Alan D. Kaye, Latha Ganti Jan 2023

Brivaracetam To Treat Partial Onset Seizures In Adults., Dustin Latimer, David Le, Evan P. Falgoust, Patrick Ingraffia, Alaa Abd-Elsayed, Elyse M. Cornett, Rupin Singh, Joohee Choi, Giustino Varrassi, Adam M. Kaye, Alan D. Kaye, Latha Ganti

School of Pharmacy Faculty Articles

PURPOSE OF REVIEW: Seizures are a hyperexcitable, and hypersynchronous imbalance between excitatory and inhibitory factors (E/I imbalance) in neurotransmission, and epilepsy is the recurrent manifestation of seizures within a reasonable time frame and without being attributable to a reversible cause. Brivaracetam is a derivative of the antiepileptic agent, levetiracetam, that is used as adjuvant therapy for focal onset seizures. It was approved by the FDA in 2016 and has shown promising results with minimal adverse effect reactions in clinical trials.

RECENT FINDINGS: Brivaracetam has been used in multiple clinical trials at various dosages in adults that have partial-onset seizures refractory …


Suvorexant, A Novel Dual Orexin Receptor Antagonist, For The Management Of Insomnia., Andrew H. Han, Carolin R. Burroughs, Evan P. Falgoust, Jamal Hasoon, Grace Hunt, Juyeon Kakazu, Tim Lee, Adam M. Kaye, Alan D. Kaye, Latha Ganti Jan 2023

Suvorexant, A Novel Dual Orexin Receptor Antagonist, For The Management Of Insomnia., Andrew H. Han, Carolin R. Burroughs, Evan P. Falgoust, Jamal Hasoon, Grace Hunt, Juyeon Kakazu, Tim Lee, Adam M. Kaye, Alan D. Kaye, Latha Ganti

School of Pharmacy Faculty Articles

PURPOSE OF REVIEW: The present investigation is a comprehensive review regarding the use of Suvorexant for insomnia treatment. It covers the background, pathophysiology, and significance of addressing insomnia, the pharmaceutical details of Suvorexant, and its safety, efficacy, and implications in treating insomnia. We further discuss Suvorexant's role in targeting insomnia with other comorbidities.

RECENT FINDINGS: Insomnia refers to poor quality and/or quantity of sleep. While there are many existing treatments such as benzodiazepines, melatonin agonists, TCAs, and atypical antipsychotics used to target various receptors involved in normal induction and maintenance of sleep, Suvorexant is an antagonist that specifically targets orexin …


Review Of Interventional Therapies For Refractory Pediatric Migraine., Jacquelin Peck, Justin Zeien, Megha Patel, Elyse M. Cornett, Amnon A. Berger, Jamal Hasoon, Hisham Kassem, Jai Won Jung, Giovanni F. Ramírez, Paola Fugueroa, Neil R. Singhal, Jaehong Song, Adam M. Kaye, Alan D. Kaye, Sarang S. Koushik, Natalie H. Strand, Latha Ganti Jan 2023

Review Of Interventional Therapies For Refractory Pediatric Migraine., Jacquelin Peck, Justin Zeien, Megha Patel, Elyse M. Cornett, Amnon A. Berger, Jamal Hasoon, Hisham Kassem, Jai Won Jung, Giovanni F. Ramírez, Paola Fugueroa, Neil R. Singhal, Jaehong Song, Adam M. Kaye, Alan D. Kaye, Sarang S. Koushik, Natalie H. Strand, Latha Ganti

School of Pharmacy Faculty Articles

This is a review of the latest and seminal evidence in pediatric migraine. It covers the etiology and pathophysiology known today, and then will review treatment options, efficacy and safety, quality of data and indications. Though migraine is usually regarded as an infliction in adults, it is not uncommon in the pediatric population and affects up to 8% of children. Children may experience migraine differently than adults, and present not only with headache but also frequent gastrointestinal symptoms. They are frequently shorter in duration than in adults. Traditional migraine treatment in adults is less effective in children. In this population, …


Potential Of Biduri Fiber (Calotropis Gigantea) As Material For Oil Spill Absorbent, Anne Sukmawati, Wulan Septiani Jan 2023

Potential Of Biduri Fiber (Calotropis Gigantea) As Material For Oil Spill Absorbent, Anne Sukmawati, Wulan Septiani

Journal of Materials Exploration and Findings

Biduri fiber (Calotropis gigantea) is a natural hollow fiber with hydrophobic and oleophilic properties potentially used as oil spilled sorbent from seawater. This study aims to determine the absorption capacity and efficiency of the Biduri fiber and membrane to fuel oil. Measurement of oil absorption to seawater was carried out at various fiber weights (0.5-1.5 g), fiber composition (50-95%), contact time (10-90 minutes), temperature (30 and 50°C), and compared with commercial products. The results showed that the fiber weight variation of 0.5-1.5 g has an average absorption efficiency of 96.67%, and the highest absorption was obtained in a weight of …


A Longitudinal Observational Study Of Medical Cannabis Use And Polypharmacy Among Patients Presenting To Dispensaries In Pennsylvania, Emily R. Hajjar, Allison Herens, Erin L. Kelly, Kayla Madden, Jessica M. Lungen, Brooke K. Worster Jan 2023

A Longitudinal Observational Study Of Medical Cannabis Use And Polypharmacy Among Patients Presenting To Dispensaries In Pennsylvania, Emily R. Hajjar, Allison Herens, Erin L. Kelly, Kayla Madden, Jessica M. Lungen, Brooke K. Worster

College of Pharmacy Faculty Papers

Background: Cannabis use is increasing among adults to treat a variety of health conditions. Given the potential for interactions and adverse events, it is important to assess the use of medical cannabis along with other concomitant medications when assessing for polypharmacy. Methods: The objective of this observational, longitudinal study was to examine medical cannabis (MC) use along with concomitant medications over 12 months in patients with serious medical conditions enrolled in the Pennsylvania (PA) Department of Health’s (DOH) Medical Marijuana Program and to collect and catalog which forms of MC patients are taking along with their concomitant medications. Results: There …


Characterization, Antibacterial, Antioxidant, Antidiabetic, And Anti-Inflammatory Activities Of Green Synthesized Silver Nanoparticles Using Phragmanthera Austroarabica A. G. Mill And J. A. Nyberg Extract, Shady Swidan, Dina Khodeer, Sarah Shabayek, Ali Nasr, Roaa Khinkar, Mohammed Aldurdunji, Maryam Ramadan, Jihan Badr Jan 2023

Characterization, Antibacterial, Antioxidant, Antidiabetic, And Anti-Inflammatory Activities Of Green Synthesized Silver Nanoparticles Using Phragmanthera Austroarabica A. G. Mill And J. A. Nyberg Extract, Shady Swidan, Dina Khodeer, Sarah Shabayek, Ali Nasr, Roaa Khinkar, Mohammed Aldurdunji, Maryam Ramadan, Jihan Badr

Pharmacy

Introduction: Diabetes mellitus is a chronic metabolic disorder that exhibited great expansion all over the world. It is becoming an epidemic disease adding a major burden to the health care system, particularly in developing countries.

Methods: The plant under investigation in the current study Phragmanthera austroarabica A. G. Mill and J. A. Nyberg is traditionally used in Saudi Arabia for the treatment of diabetes mellitus. The methanolic extract (200 mg/kg) of the plant and pure gallic acid (40 mg/kg), a major metabolite of the plant, as well as their silver nanoparticle formulae (AgNPs) were evaluated for their antidiabetic activity.

Results …


Effects Of Disulfiram On The Metabolome Of Mrsa, Surya Teja Naidu Jan 2023

Effects Of Disulfiram On The Metabolome Of Mrsa, Surya Teja Naidu

Theses, Dissertations and Capstones

Disulfiram, known as Antabuse®, is an oral drug for the treatment of alcohol dependence. Previous studies have indicated that disulfiram (DSF) exhibits antibacterial effects, particularly against Gram-positive bacteria, such as methicillin-resistant Staphylococcus aureus (MRSA). Our study delves into the antibacterial mechanism of DSF in MRSA through High-Pressure Liquid Chromatography (HPLC) metabolomics, investigating the underlying mechanism of DSF effects on thiamine and amino acid metabolism. Thiamine pyrophosphate (TPP) plays a crucial role as a cofactor for critical enzymes such as transketolase, pyruvate dehydrogenase, and 2-oxoglutarate dehydrogenase. These enzymes are integral to the carbohydrate metabolism process within bacterial cells. TPP also contributes …


Self-Assembled Ternary Polypeptide Nanoparticles With Improved Biostability For Drug Delivery In Cancer Therapy, Preye Mike Agbana Jan 2023

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 …


A Quality Improvement Project To Improve Management Of Urinary Tract Infections In A System Of Pediatric Urgent Care Centers, Benjamin Klick, Tammy Speerhas, Jessica Parrott, Jeffrey Bobrowitz, Anne Mcevoy, Debra Conrad, Theresa Guins Jan 2023

A Quality Improvement Project To Improve Management Of Urinary Tract Infections In A System Of Pediatric Urgent Care Centers, Benjamin Klick, Tammy Speerhas, Jessica Parrott, Jeffrey Bobrowitz, Anne Mcevoy, Debra Conrad, Theresa Guins

Nursing Faculty Publications

Background and objective: Urinary tract infections (UTIs) are a common problem in pediatric urgent care medicine. There are multiple quality improvement (QI) projects related to the management of UTIs documented in the pediatric literature. We developed a project to decrease the prescribing of ultimately unneeded antibiotics for possible UTIs in a pediatric urgent care setting. A similar project has not been described in the pediatric literature.

Methods: We first reviewed the charts of patients presenting to a system of pediatric urgent care centers with a possible UTI over a 2-year period. We then launched a QI project with three plan, …


Identifying Unexpected Inflammation Resulting From Drug-Drug Interactions, Keegan Jolly Jan 2023

Identifying Unexpected Inflammation Resulting From Drug-Drug Interactions, Keegan Jolly

All Master's Theses

Adverse drug events result in nearly 1.3 million emergency room visits per year in the United States of America. As much as 30% of these adverse events are a result of drug-drug interactions (DDI’s). There is a gap in knowledge concerning these DDI outcomes especially when it comes to inflammation. Inflammation is linked to a variety of chronic health conditions and non-infectious diseases such as cancer. Purpose: The goal of this study was to examine how many active drug ingredients from FDA’s Adverse Event Reporting System (FAERS), when combined (in groups of two or more), elicit an inflammatory response …


Testing The Efficacy And Synergistic Components Of Sesamol And Black Rice Extract On Human Colon Cancer Cells, Sera Lim, Philip M. Gerk Jan 2023

Testing The Efficacy And Synergistic Components Of Sesamol And Black Rice Extract On Human Colon Cancer Cells, Sera Lim, Philip M. Gerk

Undergraduate Research Posters

Purpose: Systemic treatment of colorectal cancer involves chemotherapeutic agents which elicit serious and negative side effects from the toxicity of the drug. To address this issue, we are testing dietary supplements for their efficacy against human colon cancer cell lines and also their potential synergistic effects when combined with conventional chemotherapy. Dietary supplements (specifically sesamol and black rice extract) exhibit anticancer, anti-inflammatory, and chemo-preventive properties. Meanwhile, one of the cancer resistance mechanisms is the upregulation of drug elimination mechanisms, leading to multi-drug resistance. We hypothesize that dietary compounds will act as chemo-enhancers, thus enhancing potency of the chemotherapy drug(s) on …


Assessing Drug Development Proporties Of Antithrombotic And Anti - Cancer Agents, Elsamani I. Abdelfadiel Jan 2023

Assessing Drug Development Proporties Of Antithrombotic And Anti - Cancer Agents, Elsamani I. Abdelfadiel

Theses and Dissertations

The current GAG anticoagulants such as heparin, heparin derivatives, and vitamin K antagonists, such as warfarin continue to be the backbone of anticoagulant therapy. These drugs act through an indirect mechanism to convey inhibition of several coagulation enzymes. However, xv their use leads to several serious adverse effects, such as excessive bleeding risk and unpredictability of patient response. Regardless of their clinical achievement, every individual agent is accompanied by several side effects, particularly major/minor bleeding, thrombocytopenia, drug-food or drug-drug interactions, or absence of antidote. Of all these side effects, bleeding, and a lack of an effective antidote to reverse excessive …


Cultivating Health, Not Wealth In The United States' Healthcare System: Comprehensive Revisions For The Orphan Drug Act Of 1983, Kayla Smith Jan 2023

Cultivating Health, Not Wealth In The United States' Healthcare System: Comprehensive Revisions For The Orphan Drug Act Of 1983, Kayla Smith

Regis University Student Publications (comprehensive collection)

This thesis explores the way in which the Orphan Drug Act of 1983, originally instituted in response to a lack of treatments for rare diseases in the United States of America, has failed to achieve its initial objectives in the 40 years since its implementation. In evaluating various successful examples of government subsidization programs designed to intervene in private industry, this thesis composes the criterion required for funding-based legislation which maximize market outcomes while minimizing tax-payer burden. An analysis of the synthetic organic chemistry industry – and a case study into the production of a particular orphan treatment for a …


Structure-Based Rational Design Of Small Α-Helical Peptides With Broad-Spectrum Activity Against Multidrug-Resistant Pathogens, Sandeep Lohan, Anastasia G. Konshina, Roman G. Efremov, Innokentiy Maslennikov, Keykavous Parang Dec 2022

Structure-Based Rational Design Of Small Α-Helical Peptides With Broad-Spectrum Activity Against Multidrug-Resistant Pathogens, Sandeep Lohan, Anastasia G. Konshina, Roman G. Efremov, Innokentiy Maslennikov, Keykavous Parang

Pharmacy Faculty Articles and Research

A series of small (7–12 mer) amphipathic cationic peptides were designed and synthesized to create short helical peptides with broad-range bactericidal activity and selectivity toward the bacterial cells. The analysis identified a lead 12-mer peptide 8b with broad-spectrum activity against Gram-positive (MIC = 3.1–6.2 μg/mL) and Gram-negative (MIC = 6.2–12.5 μg/mL) bacteria and selectivity toward prokaryotic versus eukaryotic cells (HC50 = 280 μg/mL, >75% cell viability at 150 μg/mL). The rapid membranolytic action of 8b was demonstrated by a calcein dye leakage assay and confirmed using scanning electron microscopy. According to circular dichroism and NMR spectroscopy, the peptides have an …


Polymeric Chloroquine In Metastatic Pancreatic Cancer Therapy, Rubayat Islam Khan Dec 2022

Polymeric Chloroquine In Metastatic Pancreatic Cancer Therapy, Rubayat Islam Khan

Theses & Dissertations

Hydroxychloroquine (HCQ) is an established drug that has been used for the treatment of multiple diseases, including malaria, rheumatoid arthritis, and lupus erythematosus. Several recently published studies have highlighted its beneficial use in various types of cancers, and a plethora of clinical trials are currently evaluating its use in cancer therapies, wherein some of the results look promising. The preclinical studies to date suggest HCQ can work effectively in conjunction with traditional cancer treatments, as it has been shown to sensitize tumor cells to a wide range of chemotherapeutic agents. Polymeric HCQ (PCQ), a macromolecular multivalent version of HCQ, has …


Nurse-Led Education On Oral Chemotherapy Medications, Carmen Lucia Glick Alonso Dec 2022

Nurse-Led Education On Oral Chemotherapy Medications, Carmen Lucia Glick Alonso

Master's Projects and Capstones

Problem: Breast cancer is one of the leading causes of cancer death among women in the United States. Annually, around 264,000 breast cancer cases are diagnosed in women and 2,400 in men (Centers for Disease Control and Prevention, 2022). According to the American Cancer Society, the risk of a woman in the United States being diagnosed with breast cancer in their life is around 13% (2022).

Context: Along with a cancer diagnosis comes the need to introduce patient education about new oral chemotherapy treatments. As a treatment team member, the oncology nurse plays a vital role in this …


Personality Disorder Predisposing To Alcohol Dependence, Samarchitha S Ms., Venkatesh Babu Dr., Megha Sadashiv Dr., Sudeep Pk Mr. Dec 2022

Personality Disorder Predisposing To Alcohol Dependence, Samarchitha S Ms., Venkatesh Babu Dr., Megha Sadashiv Dr., Sudeep Pk Mr.

Digital Journal of Clinical Medicine

No abstract provided.


Editorial: Adenylyl Cyclase Isoforms As Potential Drug Targets, Tarsis F. Brust, Rennolds S. Ostrom, Val J. Watts Dec 2022

Editorial: Adenylyl Cyclase Isoforms As Potential Drug Targets, Tarsis F. Brust, Rennolds S. Ostrom, Val J. Watts

Pharmacy Faculty Articles and Research

Editorial on the Research Topic Adenylyl cyclase isoforms as potential drug targets


Designing And Synthesizing A Warhead-Fragment Inhibitory Ligand For Ivyp1 Through Fragment-Based Drug Discovery, Samuel Moore Dec 2022

Designing And Synthesizing A Warhead-Fragment Inhibitory Ligand For Ivyp1 Through Fragment-Based Drug Discovery, Samuel Moore

Symposium of Student Scholars

Fragment-based drug discovery (FBDD) is a powerful tool for developing anticancer and antimicrobial agents. Within this, magnetic resonance spectroscopy (NMR) provides a comprehensive qualitative and quantitative approach to screening and validating weak and robust binders with targeted proteins, making NMR among the most attractive strategies in FBDD. Inhibitor of vertebrate lysozyme (Ivyp1) of P. aeruginosa serves as an excellent target because of its active cellular location and implications in clinical prognosis for cystic fibrosis and immunocompromised patients. This study uses current NMR and biophysical techniques to develop a covalent, fragment-linked warhead inhibitor for Ivyp1 through synthetic methods, warhead linking, and …


November / December 2022, Randy Curry, Cindy Brooks Dec 2022

November / December 2022, Randy Curry, Cindy Brooks

RURAL ROCKS

This is the November & December 2022 issue of Rural Rocks from the SWOSU College of Pharmacy.


Membrane-Active Cyclic Amphiphilic Peptides: Broad-Spectrum Antibacterial Activity Alone And In Combination With Antibiotics, Eman H. M. Mohammed, Sandeep Lohan, Tarra Ghaffari, Shilpi Gupta, Rakesh K. Tiwari, Keykavous Parang Nov 2022

Membrane-Active Cyclic Amphiphilic Peptides: Broad-Spectrum Antibacterial Activity Alone And In Combination With Antibiotics, Eman H. M. Mohammed, Sandeep Lohan, Tarra Ghaffari, Shilpi Gupta, Rakesh K. Tiwari, Keykavous Parang

Pharmacy Faculty Articles and Research

We designed a library of 24 cyclic peptides containing arginine (R) and tryptophan (W) residues in a sequential manner [RnWn] (n = 2–7) to study the impact of the hydrophilic/hydrophobic ratio, charge, and ring size on the antibacterial activity against Gram-positive and Gram-negative strains. Among peptides, 5a and 6a demonstrated the highest antimicrobial activity. In combination with 11 commercially available antibiotics, 5a and 6a showed remarkable synergism against a large panel of resistant pathogens. Hemolysis (HC50 = 340 μg/mL) and cell viability against mammalian cells demonstrated the selective lethal action of 5a against bacteria over …


The Glycemic, Cholesterol, And Weight Effects Of L-Carnitine In Diabetes: A Systematic Review And Meta-Analysis Of Randomized Controlled Trials, Jennifer Ko, Eva Y. Wong, Huyentran N. Tran, Rebecca J.C. Tran, Diana X. Cao Nov 2022

The Glycemic, Cholesterol, And Weight Effects Of L-Carnitine In Diabetes: A Systematic Review And Meta-Analysis Of Randomized Controlled Trials, Jennifer Ko, Eva Y. Wong, Huyentran N. Tran, Rebecca J.C. Tran, Diana X. Cao

Pharmacy Faculty Articles and Research

Introduction

L-carnitine possibly impacts insulin sensitivity and glucose metabolism. However, its therapeutic role in diabetes is poorly understood.

Methods

A systematic review and meta-analysis were conducted using PubMed, EMBASE, and Cochrane Central Register of Controlled Trials (CENTRAL) from inception through June 30, 2021. Included studies evaluated the use of L-carnitine in diabetes on fasting blood glucose (FBG), hemoglobin A1c (HbA1c), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), triglycerides (TG), weight, or body mass index (BMI). Weighted mean difference (WMD) and 95% confidence intervals (CI) were calculated using the DerSimonian and Laird random-effects model.

Results

Seventeen studies …


Protein Phosphatase 2a Regulates Xanthine Oxidase-Derived Ros Production In Macrophages And Influx Of Inflammatory Monocytes In A Murine Gout Model, Sandy Elsayed, Khaled A. Elsaid Nov 2022

Protein Phosphatase 2a Regulates Xanthine Oxidase-Derived Ros Production In Macrophages And Influx Of Inflammatory Monocytes In A Murine Gout Model, Sandy Elsayed, Khaled A. Elsaid

Pharmacy Faculty Articles and Research

Background: Gout is a common arthritis, due to deposition of monosodium urate (MSU) crystals which results in IL-1β secretion by tissue-resident macrophages. Xanthine oxidase (XO) catalyzes uric acid (UA) production and in the process, reactive oxygen species (ROS) are generated which contributes to NLRP3 inflammasome activation. Protein phosphatase 2A (PP2A) may be involved in regulating inflammatory pathways in macrophages. The objective of this study was to investigate whether PP2A regulates gout inflammation, mediated by XO activity modulation. We studied UA and ROS generations in MSU stimulated murine bone marrow derived macrophages (BMDMs) in response to fingolimod phosphate, a PP2A activator, …


Effects Of Chronic Cirrhosis Induced By Intraperitoneal Thioacetamide Injection On The Protein Content And Michaelis–Menten Kinetics Of Cytochrome P450 Enzymes In The Rat Liver Microsomes, Devaraj Venkatapura Chandrashekar, Barent N. Dubois, Mamunur Rashid, Reza Mehvar Nov 2022

Effects Of Chronic Cirrhosis Induced By Intraperitoneal Thioacetamide Injection On The Protein Content And Michaelis–Menten Kinetics Of Cytochrome P450 Enzymes In The Rat Liver Microsomes, Devaraj Venkatapura Chandrashekar, Barent N. Dubois, Mamunur Rashid, Reza Mehvar

Pharmacy Faculty Articles and Research

Chronic intraperitoneal injection of thioacetamide (TAA) in rats has been used as an animal model of human cirrhosis to study the effects of the disease on drug metabolism. However, TAA inhibits P450 enzymes directly and independently of cirrhosis. We investigated the effects of chronic cirrhosis in rats, induced by 10 weeks of intraperitoneal TAA, on the P450 enzymes after a 10-day washout period to eliminate TAA. Liver histology and serum biomarkers of hepatic function confirmed cirrhosis in all animals. Microsomal total P450 content, P450 reductase activity and ethoxycoumarin O-deethylase activity, a general marker of P450 activity, were significantly reduced by …


Electromechanical Effects On Micro And Nano Particles Generated From Drug Delivery Devices And Their Implications In Flow And Deposition Efficiency, Mohammed Ali, Mark Miller Nov 2022

Electromechanical Effects On Micro And Nano Particles Generated From Drug Delivery Devices And Their Implications In Flow And Deposition Efficiency, Mohammed Ali, Mark Miller

Technology Faculty Publications and Presentations

This experimental investigation was undertaken to quantify the electrostatic charge and aerodynamic size distribution of the medicinal drug particles inhaled through an in-vitro mouth-throat (MT) in order to compare the amount of drugs can be delivered to the human lung while mimicking a patient is either sitting or lying. The MT model is a cadaver-based replica cast of human oral-pharyngeal-laryngeal region. Tested drug aerosols were generated by a commercially available metered dose inhaler (MDI). The MT model was placed inside a humidity (95%) and temperature (37oC) controlled chamber. Its mouth-inlet was positioned horizontally and vertically to simulate sitting …


Differential Expression And Activities Of Cytochrome P450 3a In The Rat Brain Microsomes And Mitochondria, Nouf Alshammari, Devaraj Venkatapura Chandrashekar, Mamunur Rashid, Reza Mehvar Nov 2022

Differential Expression And Activities Of Cytochrome P450 3a In The Rat Brain Microsomes And Mitochondria, Nouf Alshammari, Devaraj Venkatapura Chandrashekar, Mamunur Rashid, Reza Mehvar

Pharmacy Faculty Articles and Research

Midazolam (MDZ), a benzodiazepine derivative, is metabolized to 1′- and 4-hydroxylated metabolites (1′-OH-MDZ and 4-OH-MDZ, respectively) by cytochrome P450 3A (CYP3A). The purpose of this study was to investigate the CYP3A-mediated hydroxylation of MDZ in the rat brain mitochondria (MT). Brain microsomes (MC) and MT fractions were prepared from rats (n = 8) using differential and density gradient centrifugations, and the purity of the fractions was evaluated using VDAC1 and calreticulin as markers of MT and MC, respectively. The formation rates of 1′-OH-MDZ and 4-OH-MDZ in the rat brain MC and MT samples were determined using an LC–MS/MS method …


The Effect Of Fatty Acid Synthase (Fasn) Depletion In Pulmonary Metastatic Formation In Breast Cancer Murine Models, Zilin Xianyu Nov 2022

The Effect Of Fatty Acid Synthase (Fasn) Depletion In Pulmonary Metastatic Formation In Breast Cancer Murine Models, Zilin Xianyu

The Journal of Purdue Undergraduate Research

No abstract provided.