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Articles 31 - 60 of 642
Full-Text Articles in Life Sciences
The Intersection Of Herbicide Policy, Exposure, And Health At The University Of Connecticut, Katherine Hayward
The Intersection Of Herbicide Policy, Exposure, And Health At The University Of Connecticut, Katherine Hayward
Honors Scholar Theses
Pesticides play an extremely complicated role in our everyday lives. From the water you use to make your coffee, to the breastmilk your neighbor provides for their child, to the lake your dog swims in, chemical pesticides or their byproducts have been found in nearly every corner of our lives. The chemicals used in synthetic herbicides, a subcategory of pesticides, have far reaching negative impacts on human health, biodiversity, and water quality. Despite there being numerous published studies on the relationships between pesticide exposures and health, there is still ongoing discord and controversy surrounding their role in our lives. After …
From Deep Mutational Mapping Of Allosteric Protein Landscapes To Deep Learning Of Allostery And Hidden Allosteric Sites: Zooming In On “Allosteric Intersection” Of Biochemical And Big Data Approaches, Gennady M. Verkhivker, Mohammed Alshahrani, Grace Gupta, Sian Xiao, Peng Tao
From Deep Mutational Mapping Of Allosteric Protein Landscapes To Deep Learning Of Allostery And Hidden Allosteric Sites: Zooming In On “Allosteric Intersection” Of Biochemical And Big Data Approaches, Gennady M. Verkhivker, Mohammed Alshahrani, Grace Gupta, Sian Xiao, Peng Tao
Mathematics, Physics, and Computer Science Faculty Articles and Research
The recent advances in artificial intelligence (AI) and machine learning have driven the design of new expert systems and automated workflows that are able to model complex chemical and biological phenomena. In recent years, machine learning approaches have been developed and actively deployed to facilitate computational and experimental studies of protein dynamics and allosteric mechanisms. In this review, we discuss in detail new developments along two major directions of allosteric research through the lens of data-intensive biochemical approaches and AI-based computational methods. Despite considerable progress in applications of AI methods for protein structure and dynamics studies, the intersection between allosteric …
Moderate-Intensity Exercise Improves Mesenteric Arterial Function In Male Uc Davis Type-2 Diabetes Mellitus (Ucd-T2dm) Rats: A Shift In The Relative Importance Of Endothelium-Derived Relaxing Factors (Edrf), Md Rahatullah Razan, Said Amissi, Rifat Ara Islam, James L. Graham, Kimber L. Stanhope, Peter J. Havel, Roshanak Rahimian
Moderate-Intensity Exercise Improves Mesenteric Arterial Function In Male Uc Davis Type-2 Diabetes Mellitus (Ucd-T2dm) Rats: A Shift In The Relative Importance Of Endothelium-Derived Relaxing Factors (Edrf), Md Rahatullah Razan, Said Amissi, Rifat Ara Islam, James L. Graham, Kimber L. Stanhope, Peter J. Havel, Roshanak Rahimian
School of Pharmacy Faculty Articles
The beneficial cardiovascular effects of exercise are well documented, however the mechanisms by which exercise improves vascular function in diabetes are not fully understood. This study investigates whether there are (1) improvements in blood pressure and endothelium-dependent vasorelaxation (EDV) and (2) alterations in the relative contribution of endothelium-derived relaxing factors (EDRF) in modulating mesenteric arterial reactivity in male UC Davis type-2 diabetes mellitus (UCD-T2DM) rats, following an 8-week moderate-intensity exercise (MIE) intervention. EDV to acetylcholine (ACh) was measured before and after exposure to pharmacological inhibitors. Contractile responses to phenylephrine and myogenic tone were determined. The arterial expressions of endothelial nitric …
Comprehensive Overview Of Causative Agents Of Alzheimer's Disease: Tau Protein And Amyloid Betas With Their Biochemical Pathways And Proposed Treatments Including Cost Analysis, Ethan Johnson
Honors College
Alzheimer’s is a neurodegenerative disease found within the brain, interfering with neuron function, eventually leading to widespread atrophy. The disease effects millions of Americans with neurofibrillary tangles and amyloid beta plaques, both protein deposits with unclear causes. The goal for this thesis was not only to understand how these proteins form but how to safely interfere with their production. This was completed by a comprehensive overview of the form of the buildups and their precursors, tau proteins and amyloid beta precursor protein, respectively. An emphasis was put on the molecular biology and genetic causes of the amyloids rather than the …
Amphiphilic Cell-Penetrating Peptides Containing Arginine And Hydrophobic Residues As Protein Delivery Agents, Jonathan Moreno, Khalid Zoghebi, David Salehi, Lois Kim, Sorour Khayyatnejad Shoushtari, Rakesh K. Tiwari, Keykavous Parang
Amphiphilic Cell-Penetrating Peptides Containing Arginine And Hydrophobic Residues As Protein Delivery Agents, Jonathan Moreno, Khalid Zoghebi, David Salehi, Lois Kim, Sorour Khayyatnejad Shoushtari, Rakesh K. Tiwari, Keykavous Parang
Pharmacy Faculty Articles and Research
The entry of proteins through the cell membrane is challenging, thus limiting their use as potential therapeutics. Seven cell-penetrating peptides, designed in our laboratory, were evaluated for the delivery of proteins. Fmoc solid-phase peptide synthesis was utilized for the synthesis of seven cyclic or hybrid cyclic–linear amphiphilic peptides composed of hydrophobic (tryptophan (W) or 3,3-diphenylalanine (Dip) and positively-charged arginine (R) residues, such as [WR]4, [WR]9, [WWRR]4, [WWRR]5, [(RW)5K](RW)5, [R5K]W7, and [DipR]5. Confocal microscopy was used to screen the peptides as a protein delivery system of model cargo proteins, green and red fluorescein proteins (GFP and RFP). Based on the confocal …
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
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
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
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, …
Resveratrol, Gentisic Acid, And Flaxseed Oil: Antioxidative Agents Against Hela Cell Proliferation, Carson Krefft, Drake Teal, Raida Sugule, Suhaylah Marty
Resveratrol, Gentisic Acid, And Flaxseed Oil: Antioxidative Agents Against Hela Cell Proliferation, Carson Krefft, Drake Teal, Raida Sugule, Suhaylah Marty
Research and Scholarship Symposium Posters
This study examines how three dietary supplements—resveratrol, gentisic acid, and flaxseed oil—affect the growth of HeLa cells. Resveratrol was predicted to have a more significant inhibitory effect on HeLa cell proliferation than the other test substances. HeLa cells were expanded in T-25 flasks and treated in triplicate within 96 well plates with various supplement variables. The findings demonstrated that resveratrol promoted cell proliferation while gentisic acid and flaxseed oil treatment significantly reduced the viability of HeLa cells. The findings suggest that, in contrast to the hypothesis, resveratrol may not have much of an impact on reducing HeLa cell proliferation. HeLa …
An Approach To Developing Benchmark Datasets For Protein Secondary Structure Segmentation From Cryo-Em Density Maps, Thu Nguyen, Yongcheng Mu, Jiangwen Sun, Jing He
An Approach To Developing Benchmark Datasets For Protein Secondary Structure Segmentation From Cryo-Em Density Maps, Thu Nguyen, Yongcheng Mu, Jiangwen Sun, Jing He
Computer Science Faculty Publications
More and more deep learning approaches have been proposed to segment secondary structures from cryo-electron density maps at medium resolution range (5--10Å). Although the deep learning approaches show great potential, only a few small experimental data sets have been used to test the approaches. There is limited understanding about potential factors, in data, that affect the performance of segmentation. We propose an approach to generate data sets with desired specifications in three potential factors - the protein sequence identity, structural contents, and data quality. The approach was implemented and has generated a test set and various training sets to study …
Enhancing The Conformational Stability Of The Cl-Par-4 Tumor Suppressor Via Site-Directed Mutagenesis, Samjhana Pandey, Krishna K. Raut, Andrea M. Clark, Antoine Baudin, Lamya Djemri, David S. Libich, Komala Ponniah, Steven M. Pascal
Enhancing The Conformational Stability Of The Cl-Par-4 Tumor Suppressor Via Site-Directed Mutagenesis, Samjhana Pandey, Krishna K. Raut, Andrea M. Clark, Antoine Baudin, Lamya Djemri, David S. Libich, Komala Ponniah, Steven M. Pascal
Chemistry & Biochemistry Faculty Publications
Intrinsically disordered proteins play important roles in cell signaling, and dysregulation of these proteins is associated with several diseases. Prostate apoptosis response-4 (Par-4), an approximately 40 kilodalton proapoptotic tumor suppressor, is a predominantly intrinsically disordered protein whose downregulation has been observed in various cancers. The caspase-cleaved fragment of Par-4 (cl-Par-4) is active and plays a role in tumor suppression by inhibiting cell survival pathways. Here, we employed site-directed mutagenesis to create a cl-Par-4 point mutant (D313K). The expressed and purified D313K protein was characterized using biophysical techniques, and the results were compared to that of the wild-type (WT). We have …
Observing Ceramide Pathway With Ferroptosis Via Mia Paca-2 Cell Treatment With Rsl3, Tazrin Rahman
Observing Ceramide Pathway With Ferroptosis Via Mia Paca-2 Cell Treatment With Rsl3, Tazrin Rahman
AUCTUS: The Journal of Undergraduate Research and Creative Scholarship
Composed of sphingosine and a fatty acid, ceramides are lipid molecules that serve as key metabolic signaling molecules of a sphingolipid pathway. While it acts as a precursor of complex sphingolipids, inducing ceramide generation can cause cell stress leading to subsequent cell death via apoptosis, necrosis, and even mitophagy. With regards to cell death specifically, a novel form of regulated cell death, ferroptosis, has recently been recognized of necrotic nature. Its unique morphological features and distinct properties have been observed over the last several decades; however, the molecular features were not identifiable as pure evidence of cell death, until recently …
Identification Of Proteins Involved In Cell Membrane Permeabilization By Nanosecond Electric Pulses (Nsep), Giedre Silkuniene, Uma Mangalanathan, Alessandra Rossi, Peter A. Mollica, Andrei G. Pakhomov, Olga N. Pakhomova
Identification Of Proteins Involved In Cell Membrane Permeabilization By Nanosecond Electric Pulses (Nsep), Giedre Silkuniene, Uma Mangalanathan, Alessandra Rossi, Peter A. Mollica, Andrei G. Pakhomov, Olga N. Pakhomova
Bioelectrics Publications
The study was aimed at identifying endogenous proteins which assist or impede the permeabilized state in the cell membrane disrupted by nsEP (20 or 40 pulses, 300 ns width, 7 kV/cm). We employed a LentiArray CRISPR library to generate knockouts (KOs) of 316 genes encoding for membrane proteins in U937 human monocytes stably expressing Cas9 nuclease. The extent of membrane permeabilization by nsEP was measured by the uptake of Yo-Pro-1 (YP) dye and compared to sham-exposed KOs and control cells transduced with a non-targeting (scrambled) gRNA. Only two KOs, for SCNN1A and CLCA1 genes, showed a statistically significant reduction in …
Exposure To Pcb126 During The Nursing Period Reversibly Impacts Early-Life Glucose Tolerance, Brittany B. Rice, Keegan W. Sammons, Sara Y. Ngo Tenlep, Madeline T. Weltzer, Leryn J. Reynolds, Cetewayo S. Rashid, Hollie I. Swanson, Kevin J. Pearson
Exposure To Pcb126 During The Nursing Period Reversibly Impacts Early-Life Glucose Tolerance, Brittany B. Rice, Keegan W. Sammons, Sara Y. Ngo Tenlep, Madeline T. Weltzer, Leryn J. Reynolds, Cetewayo S. Rashid, Hollie I. Swanson, Kevin J. Pearson
Human Movement Studies & Special Education Faculty Publications
Polychlorinated biphenyls (PCBs) are persistent environmental organic pollutants known to have detrimental health effects. Using a mouse model, we previously demonstrated that PCB126 exposure before and during pregnancy and throughout the perinatal period adversely affected offspring glucose tolerance and/or body composition profiles. The purpose of this study was to investigate the glucose tolerance and body composition of offspring born to dams exposed to PCB126 during the nursing period only. Female ICR mice were bred, and half of the dams were exposed to either vehicle (safflower oil) or 1 µmole PCB126 per kg of body weight via oral gavage on postnatal …
Arginine Methylation Of The Pgc-1Α C‑Terminus Is Temperature- Dependent, Meryl Mendoz, Mariel Mendoza, Tiffany Lubrino, Sidney Briski, Immaculeta Osuji, Janielle Cuala, Brendan Ly, Ivan Ocegueda, Harvey Peralta, Benjamin A. Garcia, Cecilia Zurita-Lopez
Arginine Methylation Of The Pgc-1Α C‑Terminus Is Temperature- Dependent, Meryl Mendoz, Mariel Mendoza, Tiffany Lubrino, Sidney Briski, Immaculeta Osuji, Janielle Cuala, Brendan Ly, Ivan Ocegueda, Harvey Peralta, Benjamin A. Garcia, Cecilia Zurita-Lopez
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
We set out to determine whether the C-terminus (amino acids 481–798) of peroxisome proliferator-activated receptor gamma coactivator-1 alpha (PGC-1α, UniProt Q9UBK2), a regulatory metabolic protein involved in mitochondrial biogenesis, and respiration, is an arginine methyltransferase substrate. Arginine methylation by protein arginine methyltransferases (PRMTs) alters protein function and thus contributes to various cellular processes. In addition to confirming methylation of the C-terminus by PRMT1 as described in the literature, we have identified methylation by another member of the PRMT family, PRMT7. We performed in vitro methylation reactions using recombinant mammalian PRMT7 and PRMT1 at 37, 30, 21, 18, and 4 °C. …
Oxidative Stress Strongly Restricts The Effect Of Codon Choice On The Efficiency Of Protein Synthesis In Escherichia Coli, Lorenzo Eugenio Leiva, Sara Elgamal, Sebastian A. Leidel, Omar Orellana, Michael Ibba, Assaf Katz
Oxidative Stress Strongly Restricts The Effect Of Codon Choice On The Efficiency Of Protein Synthesis In Escherichia Coli, Lorenzo Eugenio Leiva, Sara Elgamal, Sebastian A. Leidel, Omar Orellana, Michael Ibba, Assaf Katz
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Introduction
The response of enterobacteria to oxidative stress is usually considered to be regulated by transcription factors such as OxyR and SoxR. Nevertheless, several reports have shown that under oxidative stress the levels, modification and aminoacylation of tRNAs may be altered suggesting a role of codon bias in regulation of gene expression under this condition.
Methods
In order to characterize the effects of oxidative stress on translation elongation we constructed a library of 61 plasmids, each coding for the green fluorescent protein (GFP) translationally fused to a different set of four identical codons.
Results
Using these reporters, we observed that …
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
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 …
Differential Expression And Activities Of Cytochrome P450 3a In The Rat Brain Microsomes And Mitochondria, Nouf Alshammari, Devaraj Venkatapura Chandrashekar, Mamunur Rashid, Reza Mehvar
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 …
Gutka Consumption And Dietary Partialities Explaining Anemia In Women Of A Coastal Slum Of Karachi, Pakistan: A Mixed-Method Study, Ameer Muhammad, Sarah Saleem, Daniyaal Ahmad, Eleze Tariq, Yasir Shafiq
Gutka Consumption And Dietary Partialities Explaining Anemia In Women Of A Coastal Slum Of Karachi, Pakistan: A Mixed-Method Study, Ameer Muhammad, Sarah Saleem, Daniyaal Ahmad, Eleze Tariq, Yasir Shafiq
Community Health Sciences
Background: Limited literature is available on the dietary pattern and its consequences on health of women living in coastal slums of Karachi, Pakistan.
Material and methods: The study employed a mixed-method approach where concurrent quantitative and qualitative assessments were carried out. An analytical cross-sectional survey was conducted to collect information on demographic, household, obstetrics characteristics, and dietary pattern of married women of reproductive age (MWRA). Blood samples were collected to identify the hemoglobin level to determine anemia. For the qualitative component, focus group discussions were carried out with women and in-depth interviews with shopkeepers to understand the availability of food …
Identification And Characterization Of Epicuticular Proteins Of Nematodes Sharing Motifs With Cuticular Proteins Of Arthropods, Bruno Betschart, Marco Bisoffi, Ferial Alaeddine
Identification And Characterization Of Epicuticular Proteins Of Nematodes Sharing Motifs With Cuticular Proteins Of Arthropods, Bruno Betschart, Marco Bisoffi, Ferial Alaeddine
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Specific collagens and insoluble proteins called cuticlins are major constituents of the nematode cuticles. The epicuticle, which forms the outermost electron-dense layer of the cuticle, is composed of another category of insoluble proteins called epicuticlins. It is distinct from the insoluble cuticlins localized in the cortical layer and the fibrous ribbon underneath lateral alae. Our objective was to identify and characterize genes and their encoded proteins forming the epicuticle. The combination between previously obtained laboratory results and recently made available data through the whole-genome shotgun contigs (WGS) and the transcriptome Shotgun Assembly (TSA) sequencing projects of Ascaris suum allowed us …
Seasonal Affective Disorder Treatment: Light Therapy Versus Ssri Therapy, Gabriella M. Hinde, Hannah Dyer, Ash Werner, Michaela Cisowski
Seasonal Affective Disorder Treatment: Light Therapy Versus Ssri Therapy, Gabriella M. Hinde, Hannah Dyer, Ash Werner, Michaela Cisowski
Non-Thesis Student Work
To determine the effect of pharmacological and nonpharmacological treatments for seasonal depression in college students, we asked the following evidence-based PICO question: In college students (ages 18-25) with seasonal affective disorder (SAD), how does SSRI (Selective Serotonin Reuptake Inhibitor) therapy compared to light therapy affect seasonal depression syndrome? Seasonal affective disorder is synonymously used with the terminology seasonal depression due to the clinical manifestations that encompass depression, such as low energy, feelings of sadness, emptiness, or hopelessness. SAD begins in the fall months and peaks in the winter months due to a decrease in Vitamin D and ultraviolet (UV) ray …
Novel Designer Benzodiazepines: Comprehensive Review Of Evolving Clinical And Adverse Effects., Amber N. Edinoff, Catherine A. Nix, Amira S. Odisho, Caroline P. Babin, Alyssa G. Derouen, Salim C. Lutfallah, Elyse M. Cornett, Kevin S. Murnane, Adam M. Kaye, Alan David Kaye
Novel Designer Benzodiazepines: Comprehensive Review Of Evolving Clinical And Adverse Effects., Amber N. Edinoff, Catherine A. Nix, Amira S. Odisho, Caroline P. Babin, Alyssa G. Derouen, Salim C. Lutfallah, Elyse M. Cornett, Kevin S. Murnane, Adam M. Kaye, Alan David Kaye
School of Pharmacy Faculty Articles
As tranquilizers, benzodiazepines have a wide range of clinical uses. Recently, there has been a significant rise in the number of novel psychoactive substances, including designer benzodiazepines. Flubromazolam(8-bromo-6-(2-fluorophenyl)-1-methyl-4
A Conserved Mechanism For Hormesis In Molecular Systems, Sharon N. Greenwood, Regina G. Belz, Brian P. Weiser
A Conserved Mechanism For Hormesis In Molecular Systems, Sharon N. Greenwood, Regina G. Belz, Brian P. Weiser
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
Hormesis refers to dose-response phenomena where low dose treatments elicit a response that is opposite the response observed at higher doses. Hormetic dose-response relationships have been observed throughout all of biology, but the underlying determinants of many reported hormetic dose-responses have not been identified. In this report, we describe a conserved mechanism for hormesis on the molecular level where low dose treatments enhance a response that becomes reduced at higher doses. The hormetic mechanism relies on the ability of protein homo-multimers to simultaneously interact with a substrate and a competitor on different subunits at low doses of competitor. In this …
Serpin-Derived Novel Peptide For The Treatment Against Hiv-Induced Inflammation In The Central Nervous System, Yemmy Soler
Serpin-Derived Novel Peptide For The Treatment Against Hiv-Induced Inflammation In The Central Nervous System, Yemmy Soler
FIU Electronic Theses and Dissertations
In the brain, HIV predominantly infects microglia/macrophages and astrocytes to a lesser extent. These cells form virus reservoirs with low levels of infection that are very hard to eradicate. Even though the use of cART increases survival rate in HIV patients, the virus persists as a chronic condition. cART is not able to effectively cross the BBB, control HIV replication, or attenuate inflammation in brain reservoirs. Therefore, the virus still causes neuronal dysfunction, pain-related pathology, and ultimately HAND. In this study, we decided to test the hypothesis that a serpin-derived small peptide, SP16, can serve as an anti-viral, anti-inflammatory, pro-survival, …
Discovery Of First-In-Class Small Molecule Agonists Of The Rxfp2 Receptor As Therapeutic Candidates For Osteoporosis, Maria Esteban Lopez
Discovery Of First-In-Class Small Molecule Agonists Of The Rxfp2 Receptor As Therapeutic Candidates For Osteoporosis, Maria Esteban Lopez
FIU Electronic Theses and Dissertations
Osteoporosis is a chronic bone disease characterized by decreased bone mass and increased risk of developing fractures, predominantly observed in the elderly. The pathophysiological cause of the disease is a decrease in the activity of the bone-forming cells (osteoblasts) that alters bone remodeling in favor of bone resorption, leading to a decrease in bone mass. Recent studies identified the relaxin family peptide receptor 2 (RXFP2), the G protein-coupled receptor (GPCR) for insulin-like 3 peptide (INSL3), as an attractive target expressed in osteoblast cells to increase bone formation. The goal of this dissertation is to discover and characterize small molecule agonists …
17Β-Estradiol Treatment Improves Acetylcholine-Induced Relaxation Of Mesenteric Arteries In Ovariectomized Uc Davis Type 2 Diabetes Mellitus Rats In Prediabetic State, Md Rahatullah Razan, Farjana Akther, Rifat Ara Islam, James L. Graham, Kimber L. Stanhope, Peter J. Havel, Roshanak Rahimian
17Β-Estradiol Treatment Improves Acetylcholine-Induced Relaxation Of Mesenteric Arteries In Ovariectomized Uc Davis Type 2 Diabetes Mellitus Rats In Prediabetic State, Md Rahatullah Razan, Farjana Akther, Rifat Ara Islam, James L. Graham, Kimber L. Stanhope, Peter J. Havel, Roshanak Rahimian
School of Pharmacy Faculty Articles
We recently reported sex differences in mesenteric arterial function of the UC Davis type-2 diabetes mellitus (UCD-T2DM) rats as early as the prediabetic state. We reported that mesenteric arteries (MA) from prediabetic male rats exhibited a greater impairment compared to that in prediabetic females. However, when females became diabetic, they exhibited a greater vascular dysfunction than males. Thus, the aim of this study was to investigate whether the female sex hormone, estrogen preserves mesenteric arterial vasorelaxation in UCD-T2DM female rats at an early prediabetic state. Age-matched female Sprague Dawley and prediabetic (PD) UCD-T2DM rats were ovariectomized (OVX) and subcutaneously implanted …
Thromboelastography Profiles Of Hemophilia A Patients On Emicizumab, Daniel J. Vanzweden, Meera Chitlur, Charity J. Stadler
Thromboelastography Profiles Of Hemophilia A Patients On Emicizumab, Daniel J. Vanzweden, Meera Chitlur, Charity J. Stadler
Medical Student Research Symposium
Emicizumab is a new monoclonal antibody developed to dtreat people with Hemophilia A, especially those with antibodies. However, breakthrough bleeding can still occur in patients taking Emicizumab. TEG is a global coagulation assay which measures coagulability through viscosity. This study describes the use of tissue factor activated TEG in measuring bleeding profiles in patients taking Emicizumab. The goal of this prospective study is to determine if TEG can be used, which variables of TEG might be useful, and how much more useful it is than the current standard, aPtt. Findings include a 25% increased R time and 24% increased K …
Full- Versus Sub-Regional Quantification Of Amyloid-Beta Load On Mouse Brain Sections, Yuu Ohno, Riley Murphy, Matthew Choi, Weijun Ou, Rachita K. Sumbria
Full- Versus Sub-Regional Quantification Of Amyloid-Beta Load On Mouse Brain Sections, Yuu Ohno, Riley Murphy, Matthew Choi, Weijun Ou, Rachita K. Sumbria
Pharmacy Faculty Articles and Research
Extracellular accumulation of amyloid-beta (Aβ) plaques is one of the major pathological hallmarks of Alzheimer's disease (AD), and is the target of the only FDA-approved disease-modifying treatment for AD. Accordingly, the use of transgenic mouse models that overexpress the amyloid precursor protein and thereby accumulate cerebral Aβ plaques are widely used to model human AD in mice. Therefore, immunoassays, including enzyme-linked immunosorbent assay (ELISA) and immunostaining, commonly measure the Aβ load in brain tissues derived from AD transgenic mice. Though the methods for Aβ detection and quantification have been well established and documented, the impact of the size of the …
Cytotoxic Activity Of Non-Specific Lipid Transfer Protein (Nsltp1) From Ajwain (Trachyspermum Ammi) Seeds, Saud O. Alshammari, Taibah Aldakhil, Qamar A. Alshammari, David Salehi, Aftab Ahmed
Cytotoxic Activity Of Non-Specific Lipid Transfer Protein (Nsltp1) From Ajwain (Trachyspermum Ammi) Seeds, Saud O. Alshammari, Taibah Aldakhil, Qamar A. Alshammari, David Salehi, Aftab Ahmed
Pharmacy Faculty Articles and Research
Background
Trachyspermum ammi, commonly known as Ajwain, is a member of the Apiaceae family. It is a therapeutic herbal spice with diverse pharmacological properties, used in traditional medicine for various ailments. However, all previous studies were conducted using small molecule extracts, leaving the protein’s bioactivity undiscovered.
Aim
The current study aimed to demonstrate the cytotoxic activity of Ajwain non-specific lipid transfer protein (nsLTP1) in normal breast (MCF10A), breast cancer (MCF-7), and pancreatic cancer (AsPC-1) cell lines. Also, to evaluate its structural stability in human serum as well as at high temperature conditions.
Methods
The cytotoxic activity of Ajwain nsLTP1 was …
A Small Peptide Increases Drug Delivery In Human Melanoma Cells, Shirley Tong, Shaban Darwish, Hanieh Hossein Nejad Ariani, Kate Alison Lozada, David Salehi, Maris A. Cinelli, Richard B. Silverman, Kamaljit Kaur, Sun Yang
A Small Peptide Increases Drug Delivery In Human Melanoma Cells, Shirley Tong, Shaban Darwish, Hanieh Hossein Nejad Ariani, Kate Alison Lozada, David Salehi, Maris A. Cinelli, Richard B. Silverman, Kamaljit Kaur, Sun Yang
Pharmacy Faculty Articles and Research
Melanoma is the most fatal type of skin cancer and is notoriously resistant to chemotherapies. The response of melanoma to current treatments is difficult to predict. To combat these challenges, in this study, we utilize a small peptide to increase drug delivery to melanoma cells. A peptide library array was designed and screened using a peptide array-whole cell binding assay, which identified KK-11 as a novel human melanoma-targeting peptide. The peptide and its D-amino acid substituted analogue (VPWxEPAYQrFL or D-aa KK-11) were synthesized via a solid-phase strategy. Further studies using FITC-labeled KK-11 demonstrated dose-dependent uptake in human melanoma cells. D-aa …