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Articles 361 - 390 of 878
Full-Text Articles in Pharmacy and Pharmaceutical Sciences
Design, Synthesis And Evaluation Of Novel Inhibitors Of Type 5 And 10 17Β-Hydroxysteroid Dehydrogenases, Ahmed Morsy
Design, Synthesis And Evaluation Of Novel Inhibitors Of Type 5 And 10 17Β-Hydroxysteroid Dehydrogenases, Ahmed Morsy
Theses & Dissertations
17β-Hydroxysteroid dehydrogenases (17β-HSDs) are essential enzymes in steroid metabolism. More and more evidence points to the pivotal contributions of these enzymes in various other metabolic pathways. Therefore, the latest research results give new insights into the complex metabolic interconnectivity of the 17β-HSDs with human diseases. This dissertation focuses on the metabolic activities of type 5 and 10 17β-HSDs. More specifically, regarding 17β-HSD5 contributions to the progression of prostate cancer (PCa) and 17β-HSD10 aggravation of amyloid-beta (Aβ)-induced toxicity in Alzheimer's disease (AD).
The second leading cause of cancer-related death in males is PCa, with the highest incidence rate of all cancers …
Modification And Antichlamydial Activity Evaluation On Dysregulators Of Cylindrical Proteases, Jiachen Feng
Modification And Antichlamydial Activity Evaluation On Dysregulators Of Cylindrical Proteases, Jiachen Feng
Theses & Dissertations
Chlamydia trachomatis infection is the most commonly reported sexually transmitted disease in the United States and the world. This pathogen can cause long-term health problems including blindness, pelvic inflammatory disease (PID) and ectopic pregnancy, which can be life-threatening if left untreated. To this day, there is no chlamydia-specific drug on the market. The standard treatment uses broad-spectrum antibiotics, which may affect regular functions of the commensal microbiota and leads to the development of bacterial resistance. Recently, a series of compounds based on Activators of Self-Compartmentalizing Proteases (ACP) was reported to show antichlamydial activity. Based on that scaffold, we prepared 21 …
Lipoxin A 4 (Lxa 4 ) Promotes Reduction And Antibiotic Efficacy Against Pseudomonas Aeruginosa Biofilm, Julianne M. Thornton, Jean Walker, Prem Yugandhar Kadiyam Sundarasivarao, Bernd Spur, Ana Rodriguez, Kingsley Yin
Lipoxin A 4 (Lxa 4 ) Promotes Reduction And Antibiotic Efficacy Against Pseudomonas Aeruginosa Biofilm, Julianne M. Thornton, Jean Walker, Prem Yugandhar Kadiyam Sundarasivarao, Bernd Spur, Ana Rodriguez, Kingsley Yin
Rowan-Virtua Research Day
Pseudomonas aeruginosa (P aeruginosa) is an opportunistic bacterium commonly found in wound infections and airways of cystic fibrosis patients P aeruginosa readily forms biofilms which can reduce the efficacy of antibiotics used to eradicate the pathogen We have previously shown that a Specialized Pro resolving Mediator ( Lipoxin A 4 (LxA 4 is a quorum sensing inhibitor which can reduce P aeruginosa virulence In this study, we examined the direct actions of LxA 4 and RvD 2 on P aeruginosa biofilm formation and virulence gene expression The influence of LxA 4 on antibiotic efficacy and the combined effects on biofilm …
Evaluation Of A Keratin 1 Targeting Peptide-Doxorubicin Conjugate In A Mouse Model Of Triple-Negative Breast Cancer, Azam Saghaeidehkordi, Shiuan Chen, Sun Yang, Kamaljit Kaur
Evaluation Of A Keratin 1 Targeting Peptide-Doxorubicin Conjugate In A Mouse Model Of Triple-Negative Breast Cancer, Azam Saghaeidehkordi, Shiuan Chen, Sun Yang, Kamaljit Kaur
Pharmacy Faculty Articles and Research
Chemotherapy is the main treatment for triple-negative breast cancer (TNBC), a subtype of breast cancer that is aggressive with a poor prognosis. While chemotherapeutics are potent, these agents lack specificity and are equally toxic to cancer and nonmalignant cells and tissues. Targeted therapies for TNBC treatment could lead to more safe and efficacious drugs. We previously engineered a breast cancer cell targeting peptide 18-4 that specifically binds cell surface receptor keratin 1 (K1) on breast cancer cells. A conjugate of peptide 18-4 and doxorubicin (Dox) containing an acid-sensitive hydrazone linker showed specific toxicity toward TNBC cells. Here, we report the …
Apigenin And Structurally Related Flavonoids Allosterically Potentiate The Function Of Human Α7-Nicotinic Acetylcholine Receptors Expressed In Sh-Ep1 Cells, Waheed Shabbir, Keun-Hang Susan Yang, Bassem Sadek, Murat Oz
Apigenin And Structurally Related Flavonoids Allosterically Potentiate The Function Of Human Α7-Nicotinic Acetylcholine Receptors Expressed In Sh-Ep1 Cells, Waheed Shabbir, Keun-Hang Susan Yang, Bassem Sadek, Murat Oz
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Phytochemicals, such as monoterpenes, polyphenols, curcuminoids, and flavonoids, are known to have anti-inflammatory, antioxidant, neuroprotective, and procognitive effects. In this study, the effects of several polyhydroxy flavonoids, as derivatives of differently substituted 5,7-dihydroxy-4H-chromen-4-one including apigenin, genistein, luteolin, kaempferol, quercetin, gossypetin, and phloretin with different lipophilicities (cLogP), as well as topological polar surface area (TPSA), were tested for induction of Ca2+ transients by α7 human nicotinic acetylcholine (α7 nACh) receptors expressed in SH-EP1 cells. Apigenin (10 μM) caused a significant potentiation of ACh (30 μM)-induced Ca2+ transients, but did not affect Ca2+ transients induced by high K+ …
Compounded Gabapentin For Felines: Associated Metabolic Processes And Analysis Of Potency, Johnny Altwal
Compounded Gabapentin For Felines: Associated Metabolic Processes And Analysis Of Potency, Johnny Altwal
Student Scholar Symposium Abstracts and Posters
Pharmaceutical compounding provides pharmacists and clinicians the opportunity to create unique drug formulations that are better suited to a specific patient’s needs. This is especially prevalent in veterinary medicine where clinicians treat a variety of maladies in a large number of species, thereby requiring unique formulations to more easily deliver drugs to animals. Several examples of compounded veterinary formulations with sub-therapeutic potencies have been published, but none examine compounded gabapentin. Gabapentin is frequently compounded into an oral suspension for veterinary use from tablets or capsules for the purpose of pain management in felines and other small animals. The project’s goals …
Computational Design Of Β-Fluorinated Morphine Derivatives For Ph-Specific Binding, Nayiri Alexander, Makena Augenstein, Angelina Sorensen, Matthew Gartner
Computational Design Of Β-Fluorinated Morphine Derivatives For Ph-Specific Binding, Nayiri Alexander, Makena Augenstein, Angelina Sorensen, Matthew Gartner
Student Scholar Symposium Abstracts and Posters
Opioids such as morphine are important pain-relieving drugs but also carry a risk of harmful side effects including addiction. Morphine is active in both healthy and inflamed tissue, however, decreasing the pKa of the biochemically-active amine group can promote selective binding in the more acidic conditions of inflamed tissue and reduce harmful side effects associated with opioids. Herein, we explore the impact of fluorination on the pKa of fluoromorphine derivatives to identify which will bind selectively in inflamed tissue. Theoretical pKa values are determined at the M06-2X(SMD)/aug-cc-pVDZ level of theory to calculate the ΔGaq" …
Ciliary Extracellular Vesicles Are Distinct From The Cytosolic Extracellular Vesicles, Ashraf M. Mohieldin, Rajasekharreddy Pala, Richard Beuttler, James J. Moresco, John R. Yates Iii, Surya M. Nauli
Ciliary Extracellular Vesicles Are Distinct From The Cytosolic Extracellular Vesicles, Ashraf M. Mohieldin, Rajasekharreddy Pala, Richard Beuttler, James J. Moresco, John R. Yates Iii, Surya M. Nauli
Pharmacy Faculty Articles and Research
Extracellular vesicles (EVs) are cell‐derived membrane vesicles that are released into the extracellular space. EVs encapsulate key proteins and mediate intercellular signalling pathways. Recently, primary cilia have been shown to release EVs under fluid‐shear flow, but many proteins encapsulated in these vesicles have never been identified. Primary cilia are ubiquitous mechanosensory organelles that protrude from the apical surface of almost all human cells. Primary cilia also serve as compartments for signalling pathways, and their defects have been associated with a wide range of human genetic diseases called ciliopathies. To better understand the mechanism of ciliopathies, it is imperative to know …
Suppression Of Human Coronavirus 229e Infection In Lung Fibroblast Cells Via Rna Interference, Hamidreza Montazeri Aliabadi, Jennifer Totonchy, Parvin Mahdipoor, Keykavous Parang, Hasan Uludağ
Suppression Of Human Coronavirus 229e Infection In Lung Fibroblast Cells Via Rna Interference, Hamidreza Montazeri Aliabadi, Jennifer Totonchy, Parvin Mahdipoor, Keykavous Parang, Hasan Uludağ
Pharmacy Faculty Articles and Research
Despite extensive efforts to repurpose approved drugs, discover new small molecules, and develop vaccines, COVID-19 pandemic is still claiming victims around the world. The current arsenal of antiviral compounds did not perform well in the past viral infections (e.g., SARS), which casts a shadow of doubt for use against the new SARS-CoV-2. Vaccines should offer the ultimate protection; however, there is limited information about the longevity of the generated immunity and the protection against possible mutations. This study uses Human Coronavirus 229E as a model coronavirus to test the hypothesis that effective delivery of virus-specific siRNAs to infected cells will …
Study Of Potential Drug For Alzheimer’S Disease: Small Organic Molecules, 1,5-Dhn And Tmpyp Inhibit Amyloid-Β Peptide Aggregation And Quench Hydroxyl Radicals, Matthew Murphy
Undergraduate Research Conference
Alzheimer disease (AD) is recognized as the six leading cause of the death in the United States. As of now, there is no cure for this fatal disease. The current treatment methods can only temporarily slow the worsening of symptoms. Research data suggested that an excess generation of hydroxyl radical in the brain causing the aggregation of Amyloid-β (Aβ) peptide which is considered to be responsible for Alzheimer's disease. Thus, there is a pressing need to find a suitable drug which can quench hydroxyl radicals effectively and stop or slow down the formation of aggregation of Aβ peptide. The primary …
A Novel Molecular And Cellular Study On Curcumin, Khang Nguyen
A Novel Molecular And Cellular Study On Curcumin, Khang Nguyen
Undergraduate Research Conference
Since the discovery of G-quartet (G4)by M. Gellertin 1962, much attention has been given on G4and C4(also called i-motif) as important drug design targets for the treatment of various human disorders. G4 forming sequences are prevalent in human genome, which includes many important regions of the eukaryotic genome, such as telomere ends, regulatory regions of many oncogenes c-kit, proto-oncogene c-myc, Kirsten rat sarcoma viral oncogene homolog (KRas). Curcumin(diferuloylmethane), an antiinflammatory and antioxidant compound, is found in the rhizomes of the plant Curcuma longa. The phytopolyphenolic chemical curcumin has been in the prominence due to its diverse pharmacological activities. Here, we …
C38: Exploring Doxorubicin-Mediated Hypertrophy And Cell Death In Primary Human Cardiomyocytes, Sonia Phan
C38: Exploring Doxorubicin-Mediated Hypertrophy And Cell Death In Primary Human Cardiomyocytes, Sonia Phan
Annual Research Symposium
No abstract provided.
Development Of Miriplatin-Loaded Nanoparticles Against Non-Small Cell Lung Cancer, Zhongyue Yuan, Zizhao Xu, Xin Guo
Development Of Miriplatin-Loaded Nanoparticles Against Non-Small Cell Lung Cancer, Zhongyue Yuan, Zizhao Xu, Xin Guo
Graduate and Professional Student Research Showcase
Lung cancer claims the highest mortality and the second-most new cases among all oncological diseases. NSCLC accounts for approximately 85% of all newly diagnosed lung cancers. Although platinum-based drugs are standard first-line chemotherapy for stage IIIB/IV NSCLC, accumulating reports have shown the failure of conventional platinum-based regimens due to drug resistance. Miriplatin is a lipophilic anti-cancer drug that has been approved in Japan for transcatheter arterial chemoembolization treatment of hepatocellular carcinoma. Lipid-based nanoparticles such as liposomes, micelles, and solid lipid nanoparticles (SLNs) can encapsulate anti-cancer drugs to improve their water solubility and bioavailability.
Effects Of Strong Oxidants Present In Acer Spp. On Hemolysis Methemoglobin Production In Equine Erythrocytes, Gabrielle Mcgeorge, Jeffrey Lehman
Effects Of Strong Oxidants Present In Acer Spp. On Hemolysis Methemoglobin Production In Equine Erythrocytes, Gabrielle Mcgeorge, Jeffrey Lehman
Undergraduate Honors Thesis Projects
Maple toxicosis is a deadly condition affecting equines after they have ingested wilted leaves of the genus Acer (i.e., maple species). It is characterized by hemolytic anemia and methemoglobinemia. Although the toxins responsible for causing toxicosis have not been identified, they are thought to be strong oxidants. The objective of this study is to determine the effect of eight compounds (galloyl derivatives) found in Acer spp. on hemolysis and methemoglobin production in bioassays with equine erythrocytes. Seven of the compounds are known constituents of Acer spp. that are commercially available. One of the compounds--acertannin--was isolated and characterized from leaf extracts …
Methamphetamine-Induced Changes In Myocardial Gene Transcription Are Sex-Dependent, Hasitha Chavva, Daniel A. Brazeau, James Denvir, Donald A. Primerano, Jun Fan, Sarah L. Seeley, Boyd R. Rorabaugh
Methamphetamine-Induced Changes In Myocardial Gene Transcription Are Sex-Dependent, Hasitha Chavva, Daniel A. Brazeau, James Denvir, Donald A. Primerano, Jun Fan, Sarah L. Seeley, Boyd R. Rorabaugh
Pharmaceutical Science and Research
Background: Prior work demonstrated that female rats (but not their male littermates) exposed to methamphetamine become hypersensitive to myocardial ischemic injury. Importantly, this sex-dependent effect persists following 30 days of subsequent abstinence from the drug, suggesting that it may be mediated by long term changes in gene expression that are not rapidly reversed following discontinuation of methamphetamine use. The goal of the present study was to determine whether methamphetamine induces sex-dependent changes in myocardial gene expression and whether these changes persist following subsequent abstinence from methamphetamine.
Results: Methamphetamine induced changes in the myocardial transcriptome were significantly greater in female hearts …
Pharmacological Blockade Of The 20-Hete Receptor Lowers Blood Pressure And Alters Vascular Function In Mice With Vascular Smooth Muscle- Specific Overexpression Of Cyp4a12-20-Hete Synthase, Kevin Agostinucci
NYMC Student Theses and Dissertations
20-hydroxyeicosatetraenoic acid (20-HETE) is the ω-hydroxylation product of arachidonic acid catalyzed by CYP4A and 4F enzymes. 20-HETE is a vasoactive eicosanoid of the microcirculation exhibiting effects on both vascular smooth muscle cells (VSMC) and endothelial cells (EC). In VSMCs, 20-HETE’s bioactions include the stimulation of contraction, migration, and growth. In ECs, elevated 20-HETE is associated with reduced nitric oxide (NO) bioavailability, increased angiotensin converting enzyme (ACE) expression, and the promotion of inflammation. Recently in our laboratory, we identified GPR75 as a novel target of 20-HETE that promotes changes in blood pressure and vascular function. The aim of this study is …
Data For "Subtype-Selective Positive Modulation Of Sk Channels Depends On The Ha/Hb Helices", Miao Zhang, Meng Cui
Data For "Subtype-Selective Positive Modulation Of Sk Channels Depends On The Ha/Hb Helices", Miao Zhang, Meng Cui
Pharmacy Faculty Data Sets
In the activated state of small-conductance Ca2+-activated potassium (SK) channels, calmodulin interacts with the HA/HB helices and the S4-S5 linker. CyPPA potentiates SK2a and SK3 channel activity but not the SK1 and IK subtypes. Here, we report that the subtype-selectivity of CyPPA relies on the HA/HB helices. Mutating residues in the HA (V420) and HB (K467) helices of SK2a channels to their equivalent residues in IK channels diminished the potency of CyPPA. CyPPA elicited prominent responses on mutant IK channels with an arginine residue in the HB helix substituted for its equivalent lysine residue in the SK2a channels …
Categorization Of Marketed Artificial Tear Formulations Based On Their Ingredients: A Rational Approach For Their Use, Avani Kathuria, Kiumars Shamloo, Vishal Jhanji, Ajay Sharma
Categorization Of Marketed Artificial Tear Formulations Based On Their Ingredients: A Rational Approach For Their Use, Avani Kathuria, Kiumars Shamloo, Vishal Jhanji, Ajay Sharma
Pharmacy Faculty Articles and Research
Dry eye disease is a common ocular condition affecting millions of people worldwide. Artificial tears are the first line therapy for the management of dry eye disease. Artificial tear formulations contain a variety of active ingredients, biologically active excipients, and preservatives. Many of these formulations are also available as preservative-free. This study was conducted to inspect artificial tear formulations currently marketed in the United States for their active ingredients, biologically relevant excipients, and preservatives. The marketed artificial tears were examined at various US retail pharmacy chains and using the manufacturers’ website to compile information about active ingredients, inactive ingredients, and …
Anti‑Estrogenic And Anti‑Aromatase Activities Of Citrus Peels Major Compounds In Breast Cancer, Maha Salama, Dina Mahmoud Elkersh, Shahira M. Ezzat, Yasmeen Attiaa, Engy A. Mahrous, Mohey Elmazar
Anti‑Estrogenic And Anti‑Aromatase Activities Of Citrus Peels Major Compounds In Breast Cancer, Maha Salama, Dina Mahmoud Elkersh, Shahira M. Ezzat, Yasmeen Attiaa, Engy A. Mahrous, Mohey Elmazar
Pharmacy
Estrogen signaling is crucial for breast cancer initiation and progression. Endocrine-based therapies comprising estrogen receptor (ER) modulators and aromatase inhibitors remain the mainstay of treatment. This study aimed at investigating the antitumor potential of the most potent compounds in citrus peels on breast cancer by exploring their anti-estrogenic and anti-aromatase activities. The ethanolic extract of different varieties of citrus peels along with eight isolated flavonoids were screened against estrogen-dependent breast cancer cell lines besides normal cells for evaluating their safety profile. Naringenin, naringin and quercetin demonstrated the lowest IC50s and were therefore selected for further assays. In silico molecular modeling …
N-Nitrosodimethylamine (Ndma) Contamination Of Ranitidine Products: A Review Of Recent Findings, Fahad S. Aldawsari, Yahya M. Alshehri, Thamer S. Alghamdi
N-Nitrosodimethylamine (Ndma) Contamination Of Ranitidine Products: A Review Of Recent Findings, Fahad S. Aldawsari, Yahya M. Alshehri, Thamer S. Alghamdi
Journal of Food and Drug Analysis
Ranitidine is a medication that has been used to alleviate heartburn and other disorders for over 40 years. Following reports of N-nitrosodimethylamine (NDMA) contamination in ranitidine products, there have been many recalls and registration suspensions. Here, we revise the literature information confirming ranitidine association with NDMA. Then, we highlight the documented mechanisms for NDMA release from ranitidine. In addition, the stability issue for this medicine is discussed. After that, we review and discuss the results of the United States Food and Drug Administration and the Australian Therapeutic Goods Administration laboratory testing of ranitidine products and the detected NDMA levels. Finally, …
Stability Evaluation Of Extemporaneously Compounded Vancomycin Ophthalmic Drops: Effect Of Solvents And Storage Conditions, Christopher Ross, Basir Syed, Joanna Pak, Vishal Jhanji, Jason Yamaki, Ajay Sharma
Stability Evaluation Of Extemporaneously Compounded Vancomycin Ophthalmic Drops: Effect Of Solvents And Storage Conditions, Christopher Ross, Basir Syed, Joanna Pak, Vishal Jhanji, Jason Yamaki, Ajay Sharma
Pharmacy Faculty Articles and Research
Vancomycin is the drug of choice for methicillin-resistant Staphylococcus aureus keratitis and other ocular infections. Vancomycin ophthalmic drops are not commercially available and require compounding. The present study was designed to investigate the stability of vancomycin ophthalmic drops in normal saline, phosphate-buffered saline (PBS), and balanced salt solution (BSS) while stored at room temperature or under refrigeration. Vancomycin ophthalmic drops (50 mg/mL) were aseptically prepared from commercially available intravenous powder using PBS, BSS, and saline. Solutions were stored at room temperature and in a refrigerator for 28 days. The vancomycin stability was tested by a microbiology assay and high-performance liquid …
Sars-Cov-2 Early Infection Signature Identified Potential Key Infection Mechanisms And Drug Targets, Yue Li, Ashley Duche, Michael R. Sayer, Don Roosan, Farid G. Khalafalla, Rennolds S. Ostrom, Jennifer Totonchy, Moom Roosan
Sars-Cov-2 Early Infection Signature Identified Potential Key Infection Mechanisms And Drug Targets, Yue Li, Ashley Duche, Michael R. Sayer, Don Roosan, Farid G. Khalafalla, Rennolds S. Ostrom, Jennifer Totonchy, Moom Roosan
Pharmacy Faculty Articles and Research
Background
The ongoing COVID-19 outbreak has caused devastating mortality and posed a significant threat to public health worldwide. Despite the severity of this illness and 2.3 million worldwide deaths, the disease mechanism is mostly unknown. Previous studies that characterized differential gene expression due to SARS-CoV-2 infection lacked robust validation. Although vaccines are now available, effective treatment options are still out of reach.
Results
To characterize the transcriptional activity of SARS-CoV-2 infection, a gene signature consisting of 25 genes was generated using a publicly available RNA-Sequencing (RNA-Seq) dataset of cultured cells infected with SARS-CoV-2. The signature estimated infection level accurately in …
Repurposing Of Omarigliptin As A Neuroprotective Agent Based On Docking With A2a Adenosine And Ache Receptors, Brain Glp-1 Response And Its Brain/Plasma Concentration Ratio After 28 Days Multiple Doses In Rats Using Lc-Ms/Ms, Bassam Ayoub, Haidy Michel, Shereen Mowaka, Moataz S. Hendy, Mariam M. Tadros
Repurposing Of Omarigliptin As A Neuroprotective Agent Based On Docking With A2a Adenosine And Ache Receptors, Brain Glp-1 Response And Its Brain/Plasma Concentration Ratio After 28 Days Multiple Doses In Rats Using Lc-Ms/Ms, Bassam Ayoub, Haidy Michel, Shereen Mowaka, Moataz S. Hendy, Mariam M. Tadros
Pharmacy
Abstract: The authors in the current work suggested the potential repurposing of omarigliptin (OMR) for neurodegenerative diseases based on three new findings that support the preliminary finding of crossing BBB after a single dose study in the literature. The first finding is the positive results of the docking study with the crystal structures of A2A adenosine (A2AAR) and acetylcholine esterase (AChE) receptors. A2AAR is a member of non-dopaminergic GPCR superfamily receptor proteins and has essential role in regulation of glutamate and dopamine release in Parkinson’s disease while AChE plays a major role in Alzheimer’s disease as the primary enzyme responsible …
Label‑Free Spectral Imaging To Study Drug Distribution And Metabolism In Single Living Cells, Qamar Alshammari, Rajasekharreddy Pala, Nir Katzir, Surya M. Nauli
Label‑Free Spectral Imaging To Study Drug Distribution And Metabolism In Single Living Cells, Qamar Alshammari, Rajasekharreddy Pala, Nir Katzir, Surya M. Nauli
Pharmacy Faculty Articles and Research
During drug development, evaluation of drug and its metabolite is an essential process to understand drug activity, stability, toxicity and distribution. Liquid chromatography (LC) coupled with mass spectrometry (MS) has become the standard analytical tool for screening and identifying drug metabolites. Unlike LC/MS approach requiring liquifying the biological samples, we showed that spectral imaging (or spectral microscopy) could provide high-resolution images of doxorubicin (dox) and its metabolite doxorubicinol (dox’ol) in single living cells. Using this new method, we performed measurements without destroying the biological samples. We calculated the rate constant of dox translocating from extracellular moiety into the cell and …
The Mechanism Of Β-N-Methylamino-L-Alanine Inhibition Of Trna Aminoacylation And Its Impact On Misincorporation, Nien-Ching Han, Tammy J. Bullwinkle, Kaeli F. Loeb, Kym F. Faull, Kyle Mohler, Jesse Rinehart, Michael Ibba
The Mechanism Of Β-N-Methylamino-L-Alanine Inhibition Of Trna Aminoacylation And Its Impact On Misincorporation, Nien-Ching Han, Tammy J. Bullwinkle, Kaeli F. Loeb, Kym F. Faull, Kyle Mohler, Jesse Rinehart, Michael Ibba
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
β-N-methylamino-l-alanine (BMAA) is a nonproteinogenic amino acid that has been associated with neurodegenerative diseases, including amyotrophic lateral sclerosis (ALS) and Alzheimer's disease (AD). BMAA has been found in human protein extracts; however, the mechanism by which it enters the proteome is still unclear. It has been suggested that BMAA is misincorporated at serine codons during protein synthesis, but direct evidence of its cotranslational incorporation is currently lacking. Here, using LC-MS–purified BMAA and several biochemical assays, we sought to determine whether any aminoacyl-tRNA synthetase (aaRS) utilizes BMAA as a substrate for aminoacylation. Despite BMAA's previously predicted misincorporation at serine …
Formulation And Characterization Of Beeswax/Rosemary Oil Nanostructured Lipid Carrier For Drug Delivery System, Mohd Latif Farhanim
Formulation And Characterization Of Beeswax/Rosemary Oil Nanostructured Lipid Carrier For Drug Delivery System, Mohd Latif Farhanim
Student Works (2020-2029)
A stable colloidal suspension of nanostructured lipid carriers (NLCs) was synthesized from natural source of lipid. The toxicity and insolubility of drugs in water remain a significant problem and has led to the development of food-grade drug delivery systems such as nanostructured lipid carriers (NLCs). NLCs composing various amount of beeswax (BW), rosemary oil (RO) and poloxamer 188 (P188) were prepared by melt-emulsification combined with ultrasonication method. The physicochemical properties of NLC also were determined. Optimization of the formulation (F) was performed based on the criteria of stability. Formulation with the smallest particle size and highest magnitude of zeta potential …
Synergistic Interactions Of Ionic Liquids And Antimicrobials Improve Drug Efficacy., Daniel D Yang, Nicholas J Paterna, Alexandria S Senetra, Kaitlyn R Casey, Phillip D Trieu, Gregory A. Caputo, Timothy Vaden, Benjamin Carone
Synergistic Interactions Of Ionic Liquids And Antimicrobials Improve Drug Efficacy., Daniel D Yang, Nicholas J Paterna, Alexandria S Senetra, Kaitlyn R Casey, Phillip D Trieu, Gregory A. Caputo, Timothy Vaden, Benjamin Carone
College of Science & Mathematics Departmental Research
Combinations of ionic liquids (ILs) with antimicrobial compounds have been shown to produce synergistic activities in model liposomes. In this study, imidazolium chloride-based ILs with alkyl tail length variations are combined with commercially available, small-molecule antimicrobials to examine the potential for combinatorial and synergistic antimicrobial effects on P. aeruginosa, E. coli, S. aureus, and S. cerevisiae. The effects of these treatments in a human cell culture model indicate the cytotoxic limits of ILs paired with antimicrobials. The analysis of these ILs demonstrates that the length of the alkyl chain on the IL molecule is proportional to both antimicrobial activity and …
[(Wr)8Wkβa]-Doxorubicin Conjugate: A Delivery System To Overcome Multi-Drug Resistance Against Doxorubicin, Khalid Zoghebi, Hamidreza Montazeri Aliabadi, Rakesh Kumar Tiwari, Keykavous Parang
[(Wr)8Wkβa]-Doxorubicin Conjugate: A Delivery System To Overcome Multi-Drug Resistance Against Doxorubicin, Khalid Zoghebi, Hamidreza Montazeri Aliabadi, Rakesh Kumar Tiwari, Keykavous Parang
Pharmacy Faculty Articles and Research
Doxorubicin (Dox) is an anthracycline chemotherapeutic agent used to treat breast, leukemia, and lymphoma malignancies. However, cardiotoxicity and inherent acquired resistance are major drawbacks, limiting its clinical application. We have previously shown that cyclic peptide [WR]9 containing alternate tryptophan (W) and arginine (R) residues acts as an efficient molecular transporter. An amphiphilic cyclic peptide containing a lysine (K) residue and alternative W and R was conjugated through a free side chain amino group with Dox via a glutarate linker to afford [(WR)8WKβA]-Dox conjugate. Antiproliferative assays were performed in different cancer cell lines using the conjugate and the …
A Global Review On Short Peptides: Frontiers And Perspectives, Vasso Apostolopoulos, Joanna Bojarska, Tsun-Thai Chai, Sherif Elnagdy, Krzysztof Kaczmarek, John Matsoukas, Roger New, Keykavous Parang, Octavio Paredes Lopez, Hamideh Parhiz, Conrad O. Perera, Monica Pickholz, Milan Remko, Michele Saviano, Mariusz Skwarczynski, Yefeng Tang, Wojciech M. Wolf, Taku Yoshiya, Janusz Zabrocki, Piotr Zielenkiewicz, Maha Alkhazindar, Vanessa Barriga, Konstantinos Kelaidonis, Elham Mousavinezhad Sarasia, Istvan Toth
A Global Review On Short Peptides: Frontiers And Perspectives, Vasso Apostolopoulos, Joanna Bojarska, Tsun-Thai Chai, Sherif Elnagdy, Krzysztof Kaczmarek, John Matsoukas, Roger New, Keykavous Parang, Octavio Paredes Lopez, Hamideh Parhiz, Conrad O. Perera, Monica Pickholz, Milan Remko, Michele Saviano, Mariusz Skwarczynski, Yefeng Tang, Wojciech M. Wolf, Taku Yoshiya, Janusz Zabrocki, Piotr Zielenkiewicz, Maha Alkhazindar, Vanessa Barriga, Konstantinos Kelaidonis, Elham Mousavinezhad Sarasia, Istvan Toth
Pharmacy Faculty Articles and Research
Peptides are fragments of proteins that carry out biological functions. They act as signaling entities via all domains of life and interfere with protein-protein interactions, which are indispensable in bio-processes. Short peptides include fundamental molecular information for a prelude to the symphony of life. They have aroused considerable interest due to their unique features and great promise in innovative bio-therapies. This work focusing on the current state-of-the-art short peptide-based therapeutical developments is the first global review written by researchers from all continents, as a celebration of 100 years of peptide therapeutics since the commencement of insulin therapy in the 1920s. …
Pharmacist-Led Programs To Increase Statin Prescribing: A Narrative Review Of The Literature, Mary Elkomos, Raha Jahromi, Michael S. Kelly
Pharmacist-Led Programs To Increase Statin Prescribing: A Narrative Review Of The Literature, Mary Elkomos, Raha Jahromi, Michael S. Kelly
Pharmacy Faculty Articles and Research
Statins are lipid-lowing medications shown to reduce cardiovascular events and are recommended for specific patient populations at elevated risk of atherosclerotic cardiovascular disease (ASCVD). Despite the demonstrated efficacy of statins for reducing ASCVD risk, and guidance on which populations should receive statin therapy, a substantial portion of eligible patients are not prescribed statin therapy. Pharmacists have attempted to increase the number of eligible patients receiving appropriate statin therapy through a variety of interventions and across several clinical settings. In this article, we highlight multiple studies evaluating the effectiveness of pharmacist-led interventions to improve statin use. A total of seven studies …