Pharmacy and Pharmaceutical Sciences Commons^™

Role Of Protein Kinase A And A Kinase Anchoring Proteins In Buffering And Compartmentation Of Camp Signalling In Human Airway Smooth Muscle Cells, Rinzhin T. Sherpa, Karni S. Moshal, Shailesh R. Agarwal, Rennolds S. Ostrom, Robert D. Harvey

Pharmacy Faculty Articles and Research

Background and Purpose

In human airway smooth muscle (hASM) cells, not all receptors stimulating cAMP production elicit the same effects. This can only be explained if cAMP movement throughout the cell is restricted, yet the mechanisms involved are not fully understood. Phosphodiesterases (PDEs) contribute to compartmentation of many cAMP responses, but PDE activity alone is predicted to be insufficient if cAMP is otherwise freely diffusible. We tested the hypothesis that buffering of cAMP by protein kinase A (PKA) associated with A kinase anchoring proteins (AKAPs) slows cAMP diffusion and that this contributes to receptor-mediated, compartmentalized responses.

Experimental Approach

Raster image …

Apigenin Alleviates Autistic-Like Stereotyped Repetitive Behaviors And Mitigates Brain Oxidative Stress In Mice, Petrilla Jayaprakash, Dmytro Isaev, Keun-Hang Susan Yang, Rami Beiram, Murat Oz, Bassem Sadek

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

Studying the involvement of nicotinic acetylcholine receptors (nAChRs), specifically α7-nAChRs, in neuropsychiatric brain disorders such as autism spectrum disorder (ASD) has gained a growing interest. The flavonoid apigenin (APG) has been confirmed in its pharmacological action as a positive allosteric modulator of α7-nAChRs. However, there is no research describing the pharmacological potential of APG in ASD. The aim of this study was to evaluate the effects of the subchronic systemic treatment of APG (10–30 mg/kg) on ASD-like repetitive and compulsive-like behaviors and oxidative stress status in the hippocampus and cerebellum in BTBR mice, utilizing the reference drug aripiprazole (ARP, 1 …

Harnessing Exosomes As A Platform For Drug Delivery In Breast Cancer: A Systematic Review For In Vivo And In Vitro Studies, Abdulwahab Teflischi Gharavi, Saeed Irian, Azadeh Niknejad, Keykavous Parang, Mona Salimi

Pharmacy Faculty Articles and Research

Breast cancer remains a significant global health concern, emphasizing the critical need for effective treatment strategies, especially targeted therapies. This systematic review summarizes the findings from in vitro and in vivo studies regarding the therapeutic potential of exosomes as drug delivery platforms in the field of breast cancer treatment. A comprehensive search was conducted across bibliographic datasets, including Web of Science, PubMed, and Scopus, using relevant queries from several related published articles and the Medical Subject Headings Database. Then, all morphological, biomechanical, histopathological, and cellular-molecular outcomes were systematically collected. A total of 30 studies were identified based on the Preferred …

Spring 2024 Edition, Southwestern Oklahoma State University

The Sig

Sig Spring 2024 Edition

GREETINGS FROM THE DEAN'S OFFICE!

I wish everyone a happy Spring and I hope you enjoy the latest edition of the Sig .

2nd Place Contest Entry: Physician Visits For Patients With Diabetes By Gender, Age And Race In The United States, Daniel Umoru, Olajide Adekunle, Adeola Bakare

Eric M. Scandrett Graduate Library Research Prize

This is Daniel Umoru, Olajide Adekunle, and Adeola Bakare's submission for the 2024 Eric M. Scandrett Graduate Research Prize, which won second place. It contains their essay on using library resources, their bibliography, and a summary of their research project (with Dr. Lawrence "LB" Brown) on the complex demographic landscape of diabetes prevalence in the United States.

Daniel, Adeola, and Olajide are doctoral students in the School of Pharmacy at Chapman University. Their faculty mentor is Dr. Enrique Seoane-Vazquez.

Penicillin Allergy De-Labeling: Evaluating A Health System’S Implementation Of The Pen-Fast Tool Within An Infectious Disease Clinic., Jennifer Mccarthy Pharmd, Ms

Pharmacy Residency

Presented at the Great Lakes Pharmacy Residents Conference. West Lafayette, IN: April 2024.

This retrospective, post-implementation study found that 81% of patients with a documented penicillin allergy could be de-labeled, and that the majority could theoretically tolerate a penicillin challenge.

Identifying Improvement Opportunities For The Utilization Of Carbapenems At A Community Health System., Kendra Yarian Pharmd

Pharmacy Residency

Presented at the Great Lakes Pharmacy Resident Conference. West Lafayette, IN: April 2024.

This study found opportunities to improve utilization of carbapenems, such as by delabeling inappropriate penicillin and cephalosporin allergies, modifying order sets, providing education, and initiating alerts to prompt de-escalation.

Academic Performance Among Pharmacy Students Using Virtual Vs. Face-To-Face Team-Based Learning, Osama A. Shoair

Pharmacy Faculty Publications and Presentations

Introduction

This study compares pharmacy students’ performance using face-to-face (FTF) team-based learning (TBL) vs. virtual TBL across multiple courses and different academic levels while accounting for student demographic and academic factors.

Methods

The study included pharmacy students from different academic levels (P1–P3) who were enrolled in three didactic courses taught using FTF TBL and virtual TBL. Multiple generalized linear models (GLMs) were performed to compare students’ performance on individual readiness assurance tests (iRATs), team readiness assurance tests (tRATs), team application exercises (tAPPs), summative exams, and total course scores using FTF TBL vs. virtual TBL, adjusting for students’ age, sex, race, …

Shock And Awe: An Angiotensin Ii Clinical Outcomes Assessment., Caleb Hoppe Pharmd

Pharmacy Residency

Presented at the Great Lakes Pharmacy Residents Conference. West Lafayette, IN: April 2024.

In this retrospective cohort study, angiotensin II was not found to have a benefit on morbidity and mortality compared to placebo. However, further prospective, randomized controlled trials are needed to identify patient subgroups who might benefit.

Evaluation Of Triple Therapy Use For Copd, Jessica Offerle Pharmd

Pharmacy Residency

Presented at the Great Lakes Pharmacy Residents Conference. West Lafayette, IN: April 2024.

This retrospective, cross-sectional study found that nearly all patients were not administered pulmonary function testing prior to treatment with COPD triple therapy (inhaled corticosteroid plus long-acting muscarinic-antagonist plus long-acting beta-2-agonist). Additionally, the vast majority did not have a documented elevated eosinophil count. These represent good opportunities to optimize population-based care for COPD patients.

The Quantification Of Essential Oils And Bixin In Annatoo Seeds, Alycia C. Johnson, Susan Oxley

Posters - 2024

Bixa orellana (also known as annatto or achiote) originates from South America but it can be found nearly everywhere in the world. The seeds of this species make for an excellent natural coloring. It is applied to makeup, food, and textiles; some of the biggest commercial industries.1 Of the 50+ phytochemicals identified, there are a large number of essential oils and other compounds that have been shown to have beneficial properties. Four of these compounds will be used to determine which traditional processing method results in the biggest loss of phytochemicals. Annatto is often either fried, left whole, or powdered …

An Injectable In Situ Forming Collagen/Alginate/Caso4 Composite Hydrogel For Tissue Engineering Applications: Optimization, Characterization And In Vitro Assessments, Samar A. Salim, Samar A. Salim

Nanotechnology Research Centre

In situ injectable hydrogels are effectively employed to fill irregular cavitary bone defects with initiating bone growth in targeted areas. Herein, an injectable composited hydrogel composed of collagen and alginate cross-linked in situ using different concentrations of calcium sulfate (0.15, 0.3 and 0.6%, wt./v) was synthesized. Recently, CaSO4 is frequently supported as a bone graft material for bone regeneration, owing to its biocompatibility and osteoconductive properties. Moreover, hydroxyapatite (Hap) after salinization-step by (3-Aminopropyl) triethoxysilane (APTES) was incorporated for further enhancing the osteoconductive property of injected hydrogels. All fabricated hydrogels were characterized by SEM, FTIR and XRD analyses. While physiochemical characteristics …

Smart Spectrophotometric Approaches For Estimation Of Difluprednate In Existence Of Its Synthetic Precursor And Alkaline Degradation Product; Comparative Statistical Studies And Analytical Ecological Appraisal, Heidi R. Abd El-Hadi, Basma M. Eltanany, Hala E. Zaazaa, Maya S. Eissa

Bulletin of Faculty of Pharmacy Cairo University

Scientists are currently attempting to lessen the harmful effects that chemicals and solvents have on the environment. The current work suggests four sensitive and sustainable spectrophotometric techniques for quantifying difluprednate (DIF) in presence of hydrocortisone acetate, which is a synthetic precursor of DIF, and in the presence of DIF alkaline degradation product. These methods are dual wavelength, fourier self-deconvolution, first derivative, and double divisor derivative ratio. The linearity range for all methods was 15.00-40.00 µg/mL. There is no statistically significant difference between established and reported methods, and the suggested strategies are more environmentally friendly than the reported one.

Inhaled Microbiomics: Targeted Delivery Of Prebiotics And Antibiotics In Patients With Cystic Fibrosis, David Arran Mcchesney, Seth M. Daly, Patricia Marshik, Pavan Muttil

Pharmaceutical Sciences ETDs

Adults with Cystic Fibrosis (CF) are a unique and expanding patient population in the context of massive progress in disease screening and treatment. However, exacerbations remain a significant complication of the disease associated with its decline. CF pathophysiology promotes chronic respiratory bacterial infections, which are implicated in exacerbations. An important finding in research surrounding the respiratory microbiome has correlated the loss of diversity being with a worse prognosis in chronic lung diseases. We developed an aerosol formulation towards supporting the existing, diverse respiratory microbiome. Our formulation of prebiotics with and without antibiotics was designed to fit within the complex, multistep, …

“The Role Of Artificial Intelligence In The Pharmaceutical Field: Enhancing Therapeutic Outcomes And Repurposing Through The Acceleration Of Drug Discovery”, Tonivie Valeriano

[Archive] Belmont University Research Symposium (BURS)

The development of new drugs and their repurposing have considerably benefited the field of pharmacy. It will not only affect the pharmaceutical sector but also its diverse facets of health will be significantly influenced. Yet, the development of innovative medical treatments necessitated a lengthy period of expectancy for human survival. Individual survival rates were decreasing over time before the development of the treatment. Humanity has a limited lifespan. Moreover, investments in new drugs often go unnoticed because of the prolonged and complex process of drug research and development (R&D). In the future of pharmacy, artificial intelligence will continue to have …

Near-Neutral Balanced Selection Theory (Nnbst): Implication On The Molecular Evolution Of Sars-Cov-2 And Zika Virus, Nicholas J. Paradis

Graduate Student and Postdoctoral Fellow Symposium

Virus pandemics have significantly impacted human welfare and development. Understanding the true molecular evolution of viruses is critical for preventing future pandemics and developing the next-generation drugs and vaccines. Unfortunately, viruses exhibiting constant genomic substitution rates (GSRs) despite increasing vaccinations and human infections (SARS-CoV-2) and viruses under seemingly extreme conservation (ZIKV) paints a confusing picture of viral evolution, and the main evolutionary theories (Selectionist Theory, Kimura’s Neutral Theory) cannot explain their molecular evolution. Here, we developed a first-principle model, c/u, to characterize reproductive fitness changes in viruses based on variations in the nucleotide/codon mutation rate (c) with respect to the …

Methionyl-Trna Synthetase Synthetic And Proofreading Activities Are Determinants Of Antibiotic Persistence, Whitney N. Wood, Miguel Angel Rubio, Lorenzo Eugenio Leiva, Gregory J. Phillips, Michael Ibba

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

Bacterial antibiotic persistence is a phenomenon where bacteria are exposed to an antibiotic and the majority of the population dies while a small subset enters a low metabolic, persistent, state and are able to survive. Once the antibiotic is removed the persistent population can resuscitate and continue growing. Several different molecular mechanisms and pathways have been implicated in this phenomenon. A common mechanism that may underly bacterial antibiotic persistence is perturbations in protein synthesis. To investigate this mechanism, we characterized four distinct metG mutants for their ability to increase antibiotic persistence. Two metG mutants encode changes near the catalytic site …

Characterizing Antibiotic Regimen Modification Behavior, Patient Characteristics, And Outcomes For Patients With Gram-Negative Bacterial Infections, A Retrospective Single-Center Study, Jason Yamaki, Mirna Mikhail, Richard Beuttler, Philip Robinson, Emre Yücel, Alexandre H. Watanabe

Pharmacy Faculty Articles and Research

Few studies describe the frequency of antibiotic regimen modification behaviors in the acute care setting. We sought to ascertain patient and treatment characteristics, details of regimen modification, and clinical outcomes with antibiotic modifications. This retrospective study included patients admitted to Hoag Memorial Hospital from 1 January 2019–31 March 2021 with a complicated infection caused by a Gram-negative organism resistant to extended-spectrum cephalosporins or with the potential for resistance (AmpC producers). A total of 400 patients were included. The predominant sources were bloodstream (33%), urine (26%), and respiratory (24%), including patients with multiple sources. The most isolated organisms were Pseudomonas spp. …

A Highly Selective Mpges-1 Inhibitor To Block Abdominal Aortic Aneurysm Progression In The Angiotensin Mouse Model., Lauren M Weaver, Madeline J Stewart, Kai Ding, Charles D. Loftin, Fang Zheng, Chang-Guo Zhan

Pharmaceutical Sciences Faculty Publications

Abdominal aortic aneurysm (AAA) is a deadly, permanent ballooning of the aortic artery. Pharmacological and genetic studies have pointed to multiple proteins, including microsomal prostaglandin E₂ synthase-1 (mPGES-1), as potentially promising targets. However, it remains unknown whether administration of an mPGES-1 inhibitor can effectively attenuate AAA progression in animal models. There are still no FDA-approved pharmacological treatments for AAA. Current research stresses the importance of both anti-inflammatory drug targets and rigor of translatability. Notably, mPGES-1 is an inducible enzyme responsible for overproduction of prostaglandin E₂ (PGE₂)-a well-known principal pro-inflammatory prostanoid. Here we demonstrate for the first …

Mechanistic Investigation Of C—C Bond Activation Of Phosphaalkynes With Pt(0) Complexes, Roberto M. Escobar, Abdurrahman C. Ateşin, Christian Müller, William D. Jones, Tülay Ateşin

Research Symposium

Carbon–carbon (C–C) bond activation has gained increased attention as a direct method for the synthesis of pharmaceuticals. Due to the thermodynamic stability and kinetic inaccessibility of the C–C bonds, however, activation of C–C bonds by homogeneous transition-metal catalysts under mild homogeneous conditions is still a challenge. Most of the systems in which the activation occurs either have aromatization or relief of ring strain as the primary driving force. The activation of unstrained C–C bonds of phosphaalkynes does not have this advantage. This study employs Density Functional Theory (DFT) calculations to elucidate Pt(0)-mediated C–CP bond activation mechanisms in phosphaalkynes. Investigating the …