Chemicals and Drugs Commons^™

November 2019, Randy Curry, Cindy Brooks

RURAL ROCKS

Rural Rocks, the Rural Health Network newsletter by the SWOSU College of Pharmacy

Evaluating Volatile Organic Compounds For Contact-Independent Antagonism Of Pseudogymnoascus Destructans

Symposium of Student Scholars

White-nose syndrome (WNS), a disease caused by the fungus Pseudogymnoascus destructans, is responsible for the extensive mortality of bats in the United States. In an effort to develop tools to reduce bat mortality attributed to WNS, an in vitro experiment was conducted to quantify the inhibitory effects of select volatile organic compounds (VOCs) as well as explore potential synergistic activities. The experiment involved exposing mycelial plugs of P. destructans to various concentrations of B23 as well as B23 and decanal together at equimolar ratios. Measurements of the plugs were taken over the course of the 13 day experiment allowing …

Establishing Computational Approaches Towards Identifying Malarial Allosteric Modulators: A Case Study Of Plasmodium Falciparum Hsp70s, Arnold Amusengeri, Lindy Astl, Kevin Lobb, Gennady M. Verkhivker, Özlem Tastan Bishop

Mathematics, Physics, and Computer Science Faculty Articles and Research

Combating malaria is almost a never-ending battle, as Plasmodium parasites develop resistance to the drugs used against them, as observed recently in artemisinin-based combination therapies. The main concern now is if the resistant parasite strains spread from Southeast Asia to Africa, the continent hosting most malaria cases. To prevent catastrophic results, we need to find non-conventional approaches. Allosteric drug targeting sites and modulators might be a new hope for malarial treatments. Heat shock proteins (HSPs) are potential malarial drug targets and have complex allosteric control mechanisms. Yet, studies on designing allosteric modulators against them are limited. Here, we identified allosteric …

Letter: When Less Is More: Dexamethasone Dosing For Brain Tumors, Minesh Mehta

Minesh Mehta

No abstract provided.

How Oxygen Availability Affects The Antimicrobial Efficacy Of Host Defense Peptides: Lessons Learned From Studying The Copper-Binding Peptides Piscidins 1 And 3, Adenrele Oludiran, David S. Courson, Malia D. Stuart, Anwar R. Radwan, John C. Putsma, Myriam L. Cotten, Erin B. Purcell

Chemistry & Biochemistry Faculty Publications

The development of new therapeutic options against Clostridioides difficile (C. difficile) infection is a critical public health concern, as the causative bacterium is highly resistant to multiple classes of antibiotics. Antimicrobial host-defense peptides (HDPs) are highly effective at simultaneously modulating the immune system function and directly killing bacteria through membrane disruption and oxidative damage. The copper-binding HDPs piscidin 1 and piscidin 3 have previously shown potent antimicrobial activity against a number of Gram-negative and Gram-positive bacterial species but have never been investigated in an anaerobic environment. Synergy between piscidins and metal ions increases bacterial killing aerobically. Here, we …

Combatting The Opioid Epidemic In Texas By Holding Big Pharma Manufacturers Liable, Katherine Spiser

St. Mary's Law Journal

Abstract forthcoming

Gemcitabine Combination Nano Therapies For Pancreatic Cancer, Kamalika Samanta, Saini Setua, Sonam Kumari, Meena Jaggi, Murali M. Yallapu, Subhash C. Chauhan

School of Medicine Publications and Presentations

Pancreatic cancer is one of the deadliest causes of cancer-related death in the United States, with a 5-year overall survival rate of 6 to 8%. These statistics suggest that immediate medical attention is needed. Gemcitabine (GEM) is the gold standard first-line single chemotherapy agent for pancreatic cancer but, after a few months, cells develop chemoresistance. Multiple clinical and experimental investigations have demonstrated that a combination or co-administration of other drugs as chemotherapies with GEM lead to superior therapeutic benefits. However, such combination therapies often induce severe systemic toxicities. Thus, developing strategies to deliver a combination of chemotherapeutic agents more securely …

Detecting, Preventing, And Treating Sexually Transmitted Diseases Among Adolescent Arrestees: An Unmet Public Health Need, Christopher Salvatore, Steven Belenko, Richard Dembo, Matthew Rollie, Kristina Childs

Christopher Salvatore

Studies of detained and incarcerated adolescent offenders in the United States indicate that these juveniles have an elevated risk of sexually transmitted diseases (STDs). However, many more arrestees enter the “front end” of the juvenile justice system that is detained or incarcerated, and research into the STD risk profiles and service needs of this larger group is lacking. An expansion of STD testing (including of asymptomatic youths), prevention, and treatment is needed, as is improved knowledge about gender- and race-specific services. A pilot program in Florida has shown that juvenile justice and public health systems can collaborate to implement STD …

Cytochrome P450 Monooxygenase-Mediated Lipid Metabolism In Obesity And Colon Tumorigenesis, Weicang Wang

Doctoral Dissertations

Colon cancer is a major public health issue: it is expected to have 140,250 new cases and 50,630 deaths during 2018, making colon cancer the third most common type of cancer and the second leading cause of cancer death in the United States. Obesity is associated with enhanced colonic inflammation, which is a major risk factor of colorectal cancer. Currently, more than 35% of adults and nearly 17% of children are obese. Considering the obesity and colon cancer epidemic in the United States, there is an urgent need to identify novel therapeutic targets for obesity and colon cancer. Here, using …

Protein Detection And Structural Characterization By Mass Spectrometry Using Supramolecular Assemblies And Small Molecules, Bo Zhao

Doctoral Dissertations

Mass spectrometry (MS) has played an increasingly prominent role in proteomics and structure biology because it shows superior capabilities in identification, quantification and structural characterization of proteins. To realize its full potential in protein analysis, significant progress has been made in developing innovative techniques and reagents that can couple to MS detection. This dissertation demonstrates the use of polymeric supramolecular assemblies for enhanced protein detection in complex biological mixtures by MS. An amphiphilic random co-polymer scaffold is developed to form functional supramolecular assemblies for protein/ peptide enrichment. The influences of charge density and functional group pK_a on host-guest interactions …

Incidence Of Aspirin Effect In An Anticipated Aspirin Negative Elderly Population, Emily Gullette, Heather Rhodes Md, Brant Clatterbuck Md, Nayda Parisio Poldiak, Christoph Kaufmann

General Surgery

No abstract provided.

Doxycycline-Induced Acute Pancreatitis: A Likely Source Rarely Seen, Paul Hoffman Do, Wilco Civil Sr, Jung Yoon Do, Gurjeet Kang Do, Christopher Lozano Orpiano Do, Michael Quinn Do, Joseph Staffetti Md, Dilip Ghanekar Md, Lakshminarasimhan Venu Md, Lily N. Jones Do, Ji Kwon Do, Shaival Thakore Md

Gastroenterology

No abstract provided.

P-19 Anticancer Activity Of Heteroaromatic Cyanostilbenes, Joshua Rotich

Celebration of Research and Creative Scholarship

Cancer is currently the second leading killer disease. There are many different kinds of cancer that are associated with almost every organ in the human body (e.g., brain cancer, colon cancer, breast cancer, prostate cancer, blood cancer, lung cancer, etc.).

In the Biology Department, Dr. Smith and Dr. Murray are researching glioblastoma brain cancer cells. Glioblastoma is a very invasive cancer that is highly lethal. Chances of not surviving when its at stage four is more than 98%. Detecting this cancer while it is developing is difficult because symptoms are mild headache, fatigue, nausea and slight loss of weight. By …

Stable Nanopalladium Hydride In Water For Sustainable And Selective Reductions, Jesse Klus, Sachin Handa

Posters-at-the-Capitol

The synthesis of air-stable ligand-free nanopalladium hydride (PdNHx) in water was achieved and applied to various organic transformations, including (1) reduction of heteroaromatics such as (iso)quinolines, phenanthrolines, benzotriazole, and naphthyridines, (2) regio- and chemoselective reduction of nitroarenes, (3) alkyne reductions, (4) chemoselective dehalogenation, and (5) base-free detriflation. Both the synthesis of PdNHx and the reductions were carried out under mild conditions in a micellar medium using our designer surfactant PS-750-M, which eliminates the need for toxic organic solvents and extremely high hydrogen pressure and temperature. Notably, PS-750-M is also a replacement of hazardous polar-aprotic solvents. This newer approach for selective …

Hormonal Therapy And Preventive Care Of Transgender Patients, Angela Chu, Jana Randolph, Austin Hopkins, Victoria Cho, Sophocles Chrissobolis

Pharmacy and Wellness Review

Transgenderism occurs when an individual's gender identity conflicts with the individual's biological sex. A variety of methods may be used in order to reconcile this disparity in transgender individuals including psychological counseling, cross-sex hormone therapy and sex reassignment surgery. The most important role for pharmacists in the treatment of transgender patients is in dispensing hormonal medications for cross-sex treatment. Hormone therapy may be used to suppress characteristics of the patient's biological sex as well as to induce development of characteristics that correlate with the patient's gender identity. In male-to-female (MtF) transgender patients, the most commonly used medications include agents which …

October 2019, Randy Curry, Cindy Brooks

RURAL ROCKS

Rural Rocks, the Rural Health Network newsletter by the SWOSU College of Pharmacy

Dormant Pathogenic Cd4(+) T Cells Are Prevalent In The Peripheral Repertoire Of Healthy Mice, Anna Cebula, Michal Kuczma, Edyta Szurek, Maciej Pietrzak, Natasha Savage, Wessam R. Elhefnawy, Grzegorz Rempala, Piotr Kraj, Leszek Ignatowicz

Computer Science Faculty Publications

Thymic central tolerance eliminates most immature T cells with autoreactive T cell receptors (TCR) that recognize self MHC/peptide complexes. Regardless, an unknown number of autoreactive CD4+Foxp3⁻ T cells escape negative selection and in the periphery require continuous suppression by CD4+Foxp3⁺ regulatory cells (Tregs). Here, we compare immune repertoires of Treg-deficient and Treg-sufficient mice to find Tregs continuously constraining one-third of mature CD4⁺Foxp3⁻ cells from converting to pathogenic effectors in healthy mice. These dormant pathogenic clones frequently express TCRs activatable by ubiquitous autoantigens presented by class II MHCs on conventional dendritic cells, including selfpeptides that select …

Synthesis Of Bis(Imino)Pyridine Iron(Ii) Complexes And Development Of Bis(Imino)Pyridine Iron(Ii) Catalyzed Carbene Transfer Reactions, Ban Wang

Masters Theses & Specialist Projects

Metal catalysis of symmetric and asymmetric carbene transfer reactions has been widely applied in natural product synthesis and material science over years. Metal carbene can be easily generated from the extrusion of nitrogen under the catalysis of metal complexes to further undergo various organic reactions, O/N/C-H insertions, cycloadditions, and ylide formations. Currently, the dominant effective catalysts for carbene reactions are built with expensive precious metal, for example, rhodium, ruthenium, palladium, gold. Notably, the effective reactivity and enantioselectivity of the dirhodium(II) catalysts are researched and established over the decades. However, the use of precious metal catalysts is the major source of …

Pediatric Surgery Opioid Prescription Follow-Up, Gadison Quick, Nathaniel Aviles, Gabriel Melgarejo, Hunjung Choi, Elizabeth Edmundson

Posters

This quality improvement project is assisting general and orthopedic surgeons in gaining greater clarity when prescribing opioids for specific surgical procedures. Additional surgical services are being added to the project fall of 2019. Opioid prescribing patterns are, and will continue to be, key to all prescribing providers within our organization.

Leaving Ligand Effects On Reactivity And Solubility Of Monofunctional Platinum(Ii) Anticancer Complexes, Heidi Linn Hruska Millay

Masters Theses & Specialist Projects

Monofunctional platinum(II) complexes, such as phenanthriplatin and pyriplatin, have notably different characteristics from the bifunctional anticancer complexes, such as cisplatin and oxaliplatin, which have detrimental toxicities and resistance associated with them. The unique properties of the monofunctional complexes may be exploited to target cancer cells without producing the toxic side effects associated with the current FDA-approved platinum-based anticancer drugs. To advance the understanding of these monofunctional platinum(II) complexes, this study replaced the chloride leaving ligand with an acetate group, which should increase solubility and alter the rate of reactivity with key amino acid and nucleotide targets. Phenanthriplatin and pyriplatin compounds …

Interaction Of A Platinum Triamine Complex Having A Seven-Membered Chelate Ring With N-Acetyl-Lmethionine And Guanosine 5'-Monophosphate, Jae Ko

Masters Theses & Specialist Projects

In the 1960s, Rosenberg and his colleagues confirmed the anti-cancer activity of cisplatin. Although cisplatin was capable of killing testicular cancer cells there were also serious side effects. It was necessary to find alternate ways of overcoming side effects, and soon many researchers have discovered novel platinum compounds that show similar reactivity. Recently, replacing one chloride group to a heterocyclic amine group showed significant cytotoxicity with a different binding activity than cisplatin. Previously in our lab, [Pt(Me5dien)(NO3)]+ and [Pt(Et2dien)Cl]+ have been synthesized and reacted with NAcetyl- L-methionine (N-AcMet) and Guanosine 5’-monophosphate (5’-GMP) showed unusual reactivity. Unlike most previously studied platinum …

Optimizing Antibiotic Management Of Pediatric Acute Otitis Media In An Emergency Department, Alicia Daggett, Alaina N. Burns, Brian R. Lee, Nirav Shastri, Patricia Phillips, Rana E. El Feghaly

Posters

Problem

Children diagnosed with acute otitis media (AOM) at the Children's Mercy Hospital Kansas Emergency Department routinely get antibiotic prescriptions. There is rarely discussion with families about watchful waiting (defined as discussion of observation with parents and providing a safety-net antibiotic prescription that parents can ill if the patient is not improving or is worsening over the next 48 hours).

The aim of this quality improvement project is to increase watchful waiting for AOM at the CMK ED by 20% by March 2020, with an overall goal of decreasing antibiotic use for AOM.

Collaboration Between Rheumatology Clinic And Specialty Pharmacy To Positively Impact Patient Experience And Hospital Stewardship, Alaina Linafelter, Julia G. Harris, Robert Herr, Stephanie Quinn, Ashley M. Cooper

Posters

Biologic medications are commonly utilized to treat pediatric rheumatic diseases. Being high-cost, most third-party payers require dispensing through a specialty pharmacy. Children's Mercy Hospital Specialty Pharmacy (CMH SP) started acceting patients in March 2015.

The number of patients benefited by the superior service of CMH SP has risen steadily, leading to high patient satisfaction and financial benefits for the hospital.

The Fitness Landscape Of The African Salmonella Typhimurium St313 Strain D23580 Reveals Unique Properties Of The Pbt1 Plasmid, Rocío Canals, Roy R. Chaudhuri, Rebecca E. Steiner, Siân V. Owen, Natalia Quinones-Olvera, Melita A. Gordon, Michael Baym, Michael Ibba, Jay C. D. Hinton

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

We have used a transposon insertion sequencing (TIS) approach to establish the fitness landscape of the African Salmonella enterica serovar Typhimurium ST313 strain D23580, to complement our previous comparative genomic and functional transcriptomic studies. We used a genome-wide transposon library with insertions every 10 nucleotides to identify genes required for survival and growth in vitro and during infection of murine macrophages. The analysis revealed genomic regions important for fitness under two in vitro growth conditions. Overall, 724 coding genes were required for optimal growth in LB medium, and 851 coding genes were required for growth in SPI-2-inducing minimal medium. These …

Effects Of Dabigatran In Mouse Models Of Aging And Cerebral Amyloid Angiopathy, Neethu Michael, Mher Mahoney Grigoryan, Kelley Kilday, Rachita K. Sumbria, Vitaly Vasilevko, Joanne Van Ryn, David H. Cribbs, Annlia Paganini-Hill, Mark J. Fisher

Pharmacy Faculty Articles and Research

Oral anticoagulants are a critical component of stroke prevention, but carry a risk of brain hemorrhage. These hemorrhagic complications tend to occur in elderly individuals, especially those with predisposing conditions such as cerebral amyloid angiopathy (CAA). Clinical evidence suggests that non-vitamin K antagonist oral anticoagulants are safer than traditional oral anticoagulants. We analyzed whether the anticoagulant dabigatran produces cerebral microhemorrhage (the pathological substrate of MRI-demonstrable cerebral microbleeds) or intracerebral hemorrhage in aged mice with and without hemorrhage-predisposing angiopathy. We studied aged (22 months old) Tg2576 (a model of CAA) and wild-type (WT) littermate mice. Mice received either dabigatran etexilate (DE) …

Preserving A Precious Resource: Rationalizing The Use Of Antibiotics, Eric Kades

Eric A. Kades

No abstract provided.

September 2019, Randy Curry, Cindy Brooks

RURAL ROCKS

Rural Rocks, the Rural Health Network newsletter by the SWOSU College of Pharmacy

Andexanet Alfa Is An Effective Reversal Agent For Factor Xa Inhibitors In Patients That Develop Intracranial Hemorrhage, Joseph Friedli

Clinical Research in Practice: The Journal of Team Hippocrates

A critical appraisal and clinical application of Connolly SJ, Milling TJ, Eikelboom JW, et al. Andexanet alfa for acute major bleeding associated with factor Xa inhibitors. N Engl J Med. 2016;375(12):1131-1141. doi: 10.1056/NEJMoa1607887.

Cannabidiol Is Beneficial In Management Of Drug-Resistant Dravet Syndrome, Nikita Desai

Clinical Research in Practice: The Journal of Team Hippocrates

A critical appraisal and clinical application of Devinsky O, Cross H, Laux L, et al. Trial of Cannabidiol for Drug-Resistant Seizures in the Dravet Syndrome. N Engl J Med. 2017;376(21):2011-2020. doi: 10.1056/NEJMoa1611618.

Chemical Epitope Targeting: Review Of A Novel Screening Technology, Qurrat Ul-Ain, Rene Kandler, Dylan Gillespie, Arundhati Nag

Scholarly Undergraduate Research Journal at Clark (SURJ)

Chemical Epitope Targeting is a novel technology developed for designing peptide ligands with high affinity and specificity against specific regions of a protein that may be inaccessible to small molecules or antibodies. In this review, we summarize the key steps and significant applications of this technology. Operating on the same principles as antibody-antigen interactions, this technique involves chemically synthesizing the region of interest on the protein, called the epitope, as a polypeptide with a biotin detection tag and a strategically placed alkyne or azide presenting amino acid. The constructed epitope is screened against a comprehensive linear or cyclic One Bead …