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Articles 1 - 30 of 2021
Full-Text Articles in Medicine and Health Sciences
Malignant Eccrine Adenoma With Sarcomatous (Heterologous) Components: Report Of A Rare Skin Adnexal Neoplasm With Literature Review, Hira Ishtiaq, Muhammad Abdulwaasey, Muhammad Usman Tariq, Saira Fatima
Malignant Eccrine Adenoma With Sarcomatous (Heterologous) Components: Report Of A Rare Skin Adnexal Neoplasm With Literature Review, Hira Ishtiaq, Muhammad Abdulwaasey, Muhammad Usman Tariq, Saira Fatima
Department of Pathology and Laboratory Medicine
Malignant eccrine spiradenoma (MES) is an exceedingly rare skin adnexal tumor that arises from pre-existing benign eccrine spiradenoma (BES). MES tumors show a wide spectrum of morphological features, posing a diagnostic challenge to the pathologist. Sarcomatous (heterologous) elements are seen in a few of these tumors, further complicating the morphological picture. We herein describe a case of a 66-year-old male who presented with a recently enlarging, ulcerated, nodular skin lesion over the right leg that had been present for the last 25 years. The patient underwent wide local excision of the tumor. Microscopic examination revealed a neoplastic lesion comprising benign …
Epidemiology Of Non-Alcoholic Fatty Liver Disease And Risk Of Hepatocellular Carcinoma Progression, Krishna Chaitanya Thandra, Adam Barsouk, Kalyan Saginala, John Sukumar Aluru, Prashanth Rawla, Alexander Barsouk
Epidemiology Of Non-Alcoholic Fatty Liver Disease And Risk Of Hepatocellular Carcinoma Progression, Krishna Chaitanya Thandra, Adam Barsouk, Kalyan Saginala, John Sukumar Aluru, Prashanth Rawla, Alexander Barsouk
Kimmel Cancer Center Faculty Papers
Non-alcoholic fatty liver disease (NAFLD) has become the most common chronic liver disease worldwide. Its incidence has grown alongside the increasing global prevalence of type 2 diabetes, obesity, and metabolic syndrome. The risk of progression to hepatocellular carcinoma for nonalcoholic steatohepatitis patients over 5 years is 8%, and despite targeted and immunotherapy treatment advances, HCC maintains a bleak 5-year survival of 19%. NAFLD’s primary risk factors are components of metabolic syndrome as well as possible sleep disturbances. NAFLD is most common among men 50-60 years of age, though incidence in women catches up after menopause. In the US, Hispanics are …
Genetic Variants In Immune Related Genes As Predictors Of Responsiveness To Bcg Immunotherapy In Metastatic Melanoma Patients., Romela Irene Ramos, Misa A Shaw, Leland Foshag, Stacey L Stern, Negin Rahimzadeh, David Elashoff, Dave Hoon
Genetic Variants In Immune Related Genes As Predictors Of Responsiveness To Bcg Immunotherapy In Metastatic Melanoma Patients., Romela Irene Ramos, Misa A Shaw, Leland Foshag, Stacey L Stern, Negin Rahimzadeh, David Elashoff, Dave Hoon
Articles, Abstracts, and Reports
Adjuvant immunotherapy in melanoma patients improves clinical outcomes. However, success is unpredictable due to inherited heterogeneity of immune responses. Inherent immune genes associated with single nucleotide polymorphisms (SNPs) may influence anti-tumor immune responses. We assessed the predictive ability of 26 immune-gene SNPs genomic panels for a clinical response to adjuvant BCG (Bacillus Calmette-Guérin) immunotherapy, using melanoma patient cohorts derived from three phase III multicenter clinical trials: AJCC (American Joint Committee on Cancer) stage IV patients given adjuvant BCG (pilot cohort; n = 92), AJCC stage III patients given adjuvant BCG (verification cohort; n = 269), and …
When Working Out Makes You Sick To Your Stomach: What To Know About Exercise-Induced Nausea, Anne R. Crecelius
When Working Out Makes You Sick To Your Stomach: What To Know About Exercise-Induced Nausea, Anne R. Crecelius
Health and Sport Science Faculty Publications
You’re doing it! You’re working out, reaping all those benefits of exercise that have been drilled into your head.
So you’re pedaling your heart out or running like you’re escaping a zombie horde. You’re feeling accomplished, on cloud nine, until … your stomach starts to churn. You may even feel dizzy. Your feelings of accomplishment have turned to agony as you deal with a bout of nausea.
Exercise-induced nausea is quite common, as are exercise-induced gastrointestinal (GI) problems in general, affecting perhaps up to 90% of endurance athletes.
So why does this happen and, more important, how can you prevent …
Differential Effects Of Rasa3 Mutations On Hematopoiesis Are Profoundly Influenced By Genetic Background And Molecular Variant., Ray F. Robledo, Steven L. Ciciotte, Joel H Graber, Yue Zhao, Amy J Lambert, Babette Gwynn, Nathaniel J Maki, Elena C Brindley, Emily Hartman, Lionel Blanc, Luanne L. Peters
Differential Effects Of Rasa3 Mutations On Hematopoiesis Are Profoundly Influenced By Genetic Background And Molecular Variant., Ray F. Robledo, Steven L. Ciciotte, Joel H Graber, Yue Zhao, Amy J Lambert, Babette Gwynn, Nathaniel J Maki, Elena C Brindley, Emily Hartman, Lionel Blanc, Luanne L. Peters
Faculty Research 2020
Studies of the severely pancytopenic scat mouse model first demonstrated the crucial role of RASA3, a dual RAS and RAP GTPase activating protein (GAP), in hematopoiesis. RASA3 is required for survival in utero; germline deletion is lethal at E12.5-13.5 due to severe hemorrhage. Here, conditional deletion in hematopoietic stem and progenitor cells (HSPCs) using Vav-iCre recapitulates the null phenotype demonstrating that RASA3 is required at the stem and progenitor level to maintain blood vessel development and integrity and effective blood production. In adults, bone marrow blood cell production and spleen stress erythropoiesis are suppressed significantly upon induction of RASA3 deficiency, …
Mouse Mutant Phenotyping At Scale Reveals Novel Genes Controlling Bone Mineral Density., Anna L Swan, Christine Schütt, Jan Rozman, Maria Del Mar Muñiz Moreno, Stefan Brandmaier, Michelle Simon, Stefanie Leuchtenberger, Mark Griffiths, Robert Brommage, Piia Keskivali-Bond, Harald Grallert, Thomas Werner, Raffaele Teperino, Lore Becker, Gregor Miller, Ala Moshiri, John R Seavitt, Derek D Cissell, Terrence F Meehan, Elif F Acar, Christopher J Lelliott, Ann M Flenniken, Marie-France Champy, Tania Sorg, Abdel Ayadi, Robert E Braun, Heather Cater, Mary E Dickinson, Paul Flicek, Juan Gallegos, Elena J Ghirardello, Jason D Heaney, Sylvie Jacquot, Connor Lally, John G Logan, Lydia Teboul, Jeremy Mason, Nadine Spielmann, Colin Mckerlie, Stephen A. Murray, Lauryl M J Nutter, Kristian F Odfalk, Helen Parkinson, Jan Prochazka, Corey L Reynolds, Mohammed Selloum, Frantisek Spoutil, Karen L. Svenson, Taylor S Vales, Sara E Wells, Jacqueline K White, Radislav Sedlacek, Wolfgang Wurst, Kent K C Lloyd, Peter I Croucher, Helmut Fuchs, Graham R Williams, Duncan Bassett, Valerie Gailus-Durner, Yann Herault, Ann-Marie Mallon, Steve D M Brown, Philipp Mayer-Kuckuk, Martin Hrabe De Angelis, Impc Consortium
Mouse Mutant Phenotyping At Scale Reveals Novel Genes Controlling Bone Mineral Density., Anna L Swan, Christine Schütt, Jan Rozman, Maria Del Mar Muñiz Moreno, Stefan Brandmaier, Michelle Simon, Stefanie Leuchtenberger, Mark Griffiths, Robert Brommage, Piia Keskivali-Bond, Harald Grallert, Thomas Werner, Raffaele Teperino, Lore Becker, Gregor Miller, Ala Moshiri, John R Seavitt, Derek D Cissell, Terrence F Meehan, Elif F Acar, Christopher J Lelliott, Ann M Flenniken, Marie-France Champy, Tania Sorg, Abdel Ayadi, Robert E Braun, Heather Cater, Mary E Dickinson, Paul Flicek, Juan Gallegos, Elena J Ghirardello, Jason D Heaney, Sylvie Jacquot, Connor Lally, John G Logan, Lydia Teboul, Jeremy Mason, Nadine Spielmann, Colin Mckerlie, Stephen A. Murray, Lauryl M J Nutter, Kristian F Odfalk, Helen Parkinson, Jan Prochazka, Corey L Reynolds, Mohammed Selloum, Frantisek Spoutil, Karen L. Svenson, Taylor S Vales, Sara E Wells, Jacqueline K White, Radislav Sedlacek, Wolfgang Wurst, Kent K C Lloyd, Peter I Croucher, Helmut Fuchs, Graham R Williams, Duncan Bassett, Valerie Gailus-Durner, Yann Herault, Ann-Marie Mallon, Steve D M Brown, Philipp Mayer-Kuckuk, Martin Hrabe De Angelis, Impc Consortium
Faculty Research 2020
The genetic landscape of diseases associated with changes in bone mineral density (BMD), such as osteoporosis, is only partially understood. Here, we explored data from 3,823 mutant mouse strains for BMD, a measure that is frequently altered in a range of bone pathologies, including osteoporosis. A total of 200 genes were found to significantly affect BMD. This pool of BMD genes comprised 141 genes with previously unknown functions in bone biology and was complementary to pools derived from recent human studies. Nineteen of the 141 genes also caused skeletal abnormalities. Examination of the BMD genes in osteoclasts and osteoblasts underscored …
Drug-Induced Sleep Endoscopy (Dise) With Simulation Bite To Predict The Success Of Oral Appliance Therapy In Treating Obstructive Sleep Apnea/Hypopnea Syndrome (Osahs), Pietro De Luca
Translational Medicine @ UniSa
Oral appliances have gained their place in the treatment of obstructive sleep apnea (OSA) where custom-made titratable mandibular advancement devices (MAD) have become the oral appliance of choice. This study aimed to asses the value of the drug-induced sleep endoscopy (DISE) using a MAD in the prediction of treatment outcome for OSAHS
This is a prospective, single-center cohort study that enrolled sixty-six consecutive patients with diagnosed OSA (5 events/h < apnea-hypopnea index (AHI) < 50 events/h) to be treated with a custom-made titratable MAD. The patients were evaluated polysomnographically with the MAD in situ after the adaptation and titration period of 3 months. The associations between findings during DISE and treatment outcome were assessed.
The subjects showed a wide range of severity of OSAHS pre-treatment: median AHI was 43.10 with a range from 20.13 to 66.07. The simulation bite was associated with a significant increase …
A Conformation Variant Of P53 Combined With Machine Learning Identifies Alzheimer Disease In Preclinical And Prodromal Stages, Giulia Abate, Marika Vezzoli, Letizia Polito, Antonio Guaita, Diego Albani, Moira Marizzoni, Emirena Garrafa, Alessandra Marengoni, Gianluigi Forloni, Giovanni B. Frisoni, Jeffrey L. Cummings, Maurizio Memo, Daniela Uberti
A Conformation Variant Of P53 Combined With Machine Learning Identifies Alzheimer Disease In Preclinical And Prodromal Stages, Giulia Abate, Marika Vezzoli, Letizia Polito, Antonio Guaita, Diego Albani, Moira Marizzoni, Emirena Garrafa, Alessandra Marengoni, Gianluigi Forloni, Giovanni B. Frisoni, Jeffrey L. Cummings, Maurizio Memo, Daniela Uberti
School of Medicine Faculty Publications
© 2020 by the authors. Li-censee MDPI, Basel, Switzerland. Early diagnosis of Alzheimer’s disease (AD) is a crucial starting point in disease man-agement. Blood-based biomarkers could represent a considerable advantage in providing AD-risk information in primary care settings. Here, we report new data for a relatively unknown blood-based biomarker that holds promise for AD diagnosis. We evaluate a p53-misfolding conformation rec-ognized by the antibody 2D3A8, also named Unfolded p53 (U-p532D3A8+), in 375 plasma samples derived from InveCe.Ab and PharmaCog/E-ADNI longitudinal studies. A machine learning approach is used to combine U-p532D3A8+ plasma levels with Mini-Mental State Examination (MMSE) and apolipoprotein E …
“We’Re, Like, The Most Unhealthy People In The Country”: Employing An Equity Lens To Reduce Barriers To Healthy Food Access In Rural Appalachia, Kathryn Cardarelli, Emily M. Dewitt, Rachel Gillespie, Heather Norman-Burgdolf, Natalie Jones, Janet Tietyen Mullins
“We’Re, Like, The Most Unhealthy People In The Country”: Employing An Equity Lens To Reduce Barriers To Healthy Food Access In Rural Appalachia, Kathryn Cardarelli, Emily M. Dewitt, Rachel Gillespie, Heather Norman-Burgdolf, Natalie Jones, Janet Tietyen Mullins
Dietetics and Human Nutrition Faculty Publications
Introduction
Obesity disproportionately affects rural communities, and Appalachia has some of the highest obesity rates in the nation. Successful policy, systems, and environmental (PSE) interventions to reduce obesity must reflect the circumstances of the population. We used a health equity lens to identify barriers and facilitators for healthy food access in Martin County, Kentucky, to design interventions responsive to social, cultural, and historical contexts.
Methods
We conducted 5 focus groups in Martin County, Kentucky, in fall 2019 to obtain perspectives on the local food system and gauge acceptability of PSE interventions. We used grounded theory to identify perceived barriers and …
Modeling Action Potential Reversals In Tunicate Hearts, John W. Cain, Luran He, Lindsay D. Waldrop
Modeling Action Potential Reversals In Tunicate Hearts, John W. Cain, Luran He, Lindsay D. Waldrop
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Tunicates are small invertebrates which possess a unique ability to reverse flow in their hearts. Scientists have debated various theories regarding how and why flow reversals occur. Here we explore the electrophysiological basis for reversals by simulating action potential propagation in an idealized model of the tubelike tunicate heart. Using asymptotic formulas for action potential duration and conduction velocity, we propose tunicate-specific parameters for a two-current ionic model of the action potential. Then, using a kinematic model, we derive analytical criteria for reversals to occur. These criteria inform subsequent numerical simulations of action potential propagation in a fiber paced at …
Lemongrass (Cymbopogon Citratus) Ethanolic Extract Exhibited Activities That Inhibit -Glucosidase Enzymes And Postprandial Blood Glucose Elevation, Maria Dewi Puspitasari Tirtaningtyas Gunawan Puteri, Felicia Melissa Tjiptadi, Phebe Hendra, Filiana Santoso, Zalinar Udin, Nina Artanti, Florence Ignatia Florence Ignatia
Lemongrass (Cymbopogon Citratus) Ethanolic Extract Exhibited Activities That Inhibit -Glucosidase Enzymes And Postprandial Blood Glucose Elevation, Maria Dewi Puspitasari Tirtaningtyas Gunawan Puteri, Felicia Melissa Tjiptadi, Phebe Hendra, Filiana Santoso, Zalinar Udin, Nina Artanti, Florence Ignatia Florence Ignatia
Makara Journal of Science
Lemongrass is a common ingredient in Indonesian traditional herbal medicine that potently inhibits carbohydrate hydrolysis. In this study, the in vitro α-glucosidase inhibitory (AGI) activity of lemongrass was compared with its in vivo activity to retard postprandial blood glucose elevation, and the bioactive compounds responsible for these activities were observed. Both water and ethanolic extracts of lemongrass (WLG and ELG, respectively) were tested in vitro for its inhibition of the sucrose and maltose hydrolyzing activities of rat intestinal glucosidase. ELG was observed to exert higher inhibitory activities (Sucrase IC50 = 8.74 mg/mL; Maltase IC50 = 18.93 mg/mL) than …
Quantifying Anticancer Drug Doxorubicin Binding To Dna Using Optical Tweezers, Zachary Ells
Quantifying Anticancer Drug Doxorubicin Binding To Dna Using Optical Tweezers, Zachary Ells
Honors Program Theses and Projects
Doxorubicin is a successful anticancer drug approved for use in the 1970s and is considered to be one of the most effective cancer treatment methods today. Although Doxorubicin has positive survival statistics it has very negative side effects in many cases. Bleeding from the soles of the palms and feet, along with excruciating pain is often exhibited through the administration of this drug. Based on the preliminary findings utilizing optical tweezers we anticipate that this study will provide critical information about the drug binding mechanism. Single molecule biophysics techniques have provided useful insight into the DNA-binding mechanisms of small molecules. …
The Effects Of Maternal Delta-9-Tetrahydrocannabinol And Cannabidiol Exposure On Fetal Heart Development In Mice, Gregory Robinson
The Effects Of Maternal Delta-9-Tetrahydrocannabinol And Cannabidiol Exposure On Fetal Heart Development In Mice, Gregory Robinson
Electronic Thesis and Dissertation Repository
Up to 22.6% of pregnant women consume cannabis during pregnancy despite the uncertainty of teratogenicity of the main ingredients in cannabis, delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD). This study tested the hypothesis that gestational THC and CBD exposure leads to heart abnormalities. Daily, oral THC exposure induced heart abnormalities in 68% of offspring with three main phenotypes including thickened semilunar valves, ventricular myocardial hypertrophy and hypoplastic coronary arteries in fetuses, and postnatal cardiac dysfunction. Altered gene expression of key cardiogenic regulators, increased proliferation, and reduced epicardial epithelial-to-mesenchymal-transition were demonstrated implicating potential mechanisms responsible for these abnormalities. Also, maternal CBD exposure resulted …
Exploration Of The Association Between Muscle Volume And Bone Geometry Reveals Surprising Relationship At The Genetic Level, Prakrit Subba
Exploration Of The Association Between Muscle Volume And Bone Geometry Reveals Surprising Relationship At The Genetic Level, Prakrit Subba
Masters Theses
The evolution of jaws in cichlid fishes of the East African Great Lakes is a textbook example of adaptive radiation in vertebrates. Karl Liem postulated that this adaptive radiation has been possible due to the functional decoupling of two cichlid functional units – the pharyngeal jaw (PJ) and the oral jaw (OJ). This functional decoupling of the jaws has enabled the OJ to be relieved of its dual role of prey capturing and processing and has allowed the PJ to take on the role of prey processing. As a result, African cichlids have adapted the morphology of their functional units …
Mission-Centered Collaborative Bridges To Increase Stem Motivations, Colleen Duffy
Mission-Centered Collaborative Bridges To Increase Stem Motivations, Colleen Duffy
Journal of Vincentian Social Action
Many school administrators are enthusiastic about implementing new educational initiatives but have their plans thwarted because they are faced with the reality of insufficient resources. This can greatly limit the expansion of K-12 educational programs and deprive students of valuable learning opportunities. Additionally, teacher preparation programs are required to meet state mandates such as providing field experiences for preservice teachers that promote the authentic application of knowledge in PK-12 classrooms, but regional competition for placement opportunities create tremendous obstacles for higher education faculty. This essay describes the creation and implementation of a mission-centered mutually beneficial K-12 and intercollegiate partnership that …
Building Teacher Empathy And Culturally Responsive Practice Through Professional Development And Self-Reflection, Barbara S. Rieckhoff, Melissa Ockerman, Amira Proweller, James Wolfinger
Building Teacher Empathy And Culturally Responsive Practice Through Professional Development And Self-Reflection, Barbara S. Rieckhoff, Melissa Ockerman, Amira Proweller, James Wolfinger
Journal of Vincentian Social Action
Today’s teachers face growing demands and mandates to support every aspect of a student’s academic success, with additional expectations to support students’ social and emotional needs both inside and outside of the classroom. In the face of increasing student cultural, racial and linguistic diversity, the teaching pool remains relatively homogeneous, consisting largely of white, European-American educators. This disconnect between the lived experiences of teachers and their students makes it difficult for teachers to value and connect to a diverse student body. This qualitative study explores how a collaborative multi-tiered critical professional development model between a non-for-profit organization and a University, …
Symbolic Boundaries And The Clinical Preparation Of Teacher Candidates, Bilge Cerezci, Donald Mcclure
Symbolic Boundaries And The Clinical Preparation Of Teacher Candidates, Bilge Cerezci, Donald Mcclure
Journal of Vincentian Social Action
The purpose of this essay is to make sense of the two divides in the clinical preparation of teacher candidates: (1) between professional knowledge and skilled practice, and (2) between university-based courses and school-based field experiences. This essay extends the work of Lamont and Molnár (2002) to conceptualize symbolic boundaries related to these two divides. Within this framework, a review of the research highlights three main implications. First, teacher education programs need to design teaching and learning experiences that allow teacher candidates to use the professional knowledge they have gained through their university courses across multiple educational settings. Second, such …
Improving Co-Teachers Relationships, Asher Samuel
Improving Co-Teachers Relationships, Asher Samuel
Journal of Vincentian Social Action
Co-teaching is an instructional strategy wherein two teachers, a general education teacher and a special education teacher, share instructional responsibilities in a general education class that includes students with disabilities (SWDs) (Friend, 2010). An important component of co-teaching is the relationship between the teachers (Kohler-Evans, 2006), which has been described as a professional marriage (Friend, 2010). However, there is limited information on factors influencing the relationship. This study investigated if teaching experience affects co-teachers’ perception of teamwork. Participants included special and general education co-teachers from eight public school districts in New York City. Co-teachers from grades K-12 completed the Tuckman …
The Impact Of Universally Accelerating Eighth Grade Mathematics Students On Participation And Achievement, Patrick Walsh
The Impact Of Universally Accelerating Eighth Grade Mathematics Students On Participation And Achievement, Patrick Walsh
Journal of Vincentian Social Action
In New York State students are traditionally scheduled to take Algebra I in their first year of high school mathematics. However, in many schools, the “top” students in a cohort have access to this course in eighth grade, tracking these high-achieving students ahead of their lower-achieving peers. In response, some schools have adopted the policy of “Algebra for all” in eighth grade – called universal acceleration. While this policy ensures equal access to a challenging curriculum for all students, regardless of race, socioeconomic status, and prior achievement, there is a concern that not all students are developmentally ready to take …
Jovsa Education Special Issue: Introduction, Erin Fahle
Jovsa Education Special Issue: Introduction, Erin Fahle
Journal of Vincentian Social Action
No abstract provided.
Loss-Of-Function Genomic Variants Highlight Potential Therapeutic Targets For Cardiovascular Disease, Jonas B. Nielsen, Oren Rom, Ida Surakka, Sarah E. Graham, Wei Zhou, Tanmoy Roychowdhury, Lars G. Fritsche, Sarah A. Gagliano Taliun, Carlo Sidore, Yuhao Liu, Maiken E. Gabrielsen, Anne Heidi Skogholt, Brooke Wolford, William Overton, Ying Zhao, Jin Chen, He Zhang, Whitney E. Hornsby, Akua Acheampong, Austen Grooms, Amanda Schaefer, Gregory J. M. Zajac, Luis Villacorta, Jifeng Zhang, Ben Brumpton, Mari Løset, Vivek Rai, Pia R. Lundegaard, Morten S. Olesen, Kent D. Taylor, Donna K. Arnett
Loss-Of-Function Genomic Variants Highlight Potential Therapeutic Targets For Cardiovascular Disease, Jonas B. Nielsen, Oren Rom, Ida Surakka, Sarah E. Graham, Wei Zhou, Tanmoy Roychowdhury, Lars G. Fritsche, Sarah A. Gagliano Taliun, Carlo Sidore, Yuhao Liu, Maiken E. Gabrielsen, Anne Heidi Skogholt, Brooke Wolford, William Overton, Ying Zhao, Jin Chen, He Zhang, Whitney E. Hornsby, Akua Acheampong, Austen Grooms, Amanda Schaefer, Gregory J. M. Zajac, Luis Villacorta, Jifeng Zhang, Ben Brumpton, Mari Løset, Vivek Rai, Pia R. Lundegaard, Morten S. Olesen, Kent D. Taylor, Donna K. Arnett
Epidemiology and Environmental Health Faculty Publications
Pharmaceutical drugs targeting dyslipidemia and cardiovascular disease (CVD) may increase the risk of fatty liver disease and other metabolic disorders. To identify potential novel CVD drug targets without these adverse effects, we perform genome-wide analyses of participants in the HUNT Study in Norway (n = 69,479) to search for protein-altering variants with beneficial impact on quantitative blood traits related to cardiovascular disease, but without detrimental impact on liver function. We identify 76 (11 previously unreported) presumed causal protein-altering variants associated with one or more CVD- or liver-related blood traits. Nine of the variants are predicted to result in loss-of-function of …
Long-Acting Nanoformulated Antivirals For The Treatment And Prevention Of Hiv-1 And Hbv Infections, Dhruvkumar M. Soni Dr.
Long-Acting Nanoformulated Antivirals For The Treatment And Prevention Of Hiv-1 And Hbv Infections, Dhruvkumar M. Soni Dr.
Theses & Dissertations
While antiretroviral therapy (ART) has revolutionized treatment and prevention of human immunodeficiency virus type one (HIV-1) infection, regimen adherence, viral mutations, drug toxicities, stigma and pill fatigue are limitations. These have led to the development of long acting (LA) ART. These include, but are not limited to, implantable devices, new chemical entities, prodrug modifications and nanoformulations. To these ends, this thesis focues on the transformation of nucleoside reverse transcriptase inhibitors (NRTIs) into LA parenterals, While elusive, data from our laboratories demonstrated that modifications to the PROdrug and nucleoTide technology (ProTide) enables improvements in drug apparent half-life and tissue and cell …
Applied Molecular Dynamics: From Targeting Viral Helicases, To Understanding The Interactions Of Cucurbituril Complexes In Ionic Solutions, Bryan Raubenolt
Applied Molecular Dynamics: From Targeting Viral Helicases, To Understanding The Interactions Of Cucurbituril Complexes In Ionic Solutions, Bryan Raubenolt
University of New Orleans Theses and Dissertations
Molecular Dynamics simulations are a highly useful tool in helping understand the fundamental interactions present in a variety of chemical systems. The work discussed here illustrates it’s use in determining the conformational dynamics of the Zika and SARS-Cov-2 helicase in a physiological environment, largely in an effort to discover inhibitors capable of rendering the protein inert. Additionally, we show how it can be used to understand paradoxical trends in the anion-induced precipitation of Cucurbituril cavitands.
Viral helicases are motor proteins tasked with unwinding the viral dsRNA, a crucial step in preparing the strand to be translatable by host cells. By …
Rilpivirine-Associated Aggregation-Induced Emission Enables Cell-Based Nanoparticle Tracking, Insiya Mukadam
Rilpivirine-Associated Aggregation-Induced Emission Enables Cell-Based Nanoparticle Tracking, Insiya Mukadam
Theses & Dissertations
Antiretroviral therapy (ART) has improved the quality and duration of life for people living with human immunodeficiency virus (HIV) infection. However, limitations in drug efficacy, the emergence of viral mutations and the paucity of cell-tissue targeting remain. We posit that to maximize ART potency and therapeutic outcomes newer drug formulations that reach HIV cellular reservoirs need to be created. In a step towards achieving this goal we discovered the aggregation-induced emission (AIE) property of the non-nucleoside reverse transcriptase inhibitor Rilpivirine (RPV) and used it as a platform for drug cell and subcellular tracking. RPV nanocrystals were created with endogenous AIE …
Mechanisms By Which Mnte-2-Pyp Suppresses Prostate Cancer Cell Growth, Yuxiang Zhu
Mechanisms By Which Mnte-2-Pyp Suppresses Prostate Cancer Cell Growth, Yuxiang Zhu
Theses & Dissertations
Prostate cancer patients are often treated with radiotherapy. MnTE-2-PyP, is a superoxide dismutase (SOD) mimic and a known radioprotector of normal tissues. Our recent work demonstrates that MnTE-2-PyP also inhibits prostate cancer progression with radiotherapy; however, the mechanisms remain unclear. In this thesis, we identified that MnTE-2-PyP-induced intracellular H2O2 levels are critical in inhibiting growth of prostate cancer cells. We found that MnTE-2-PyP induced protein oxidations in PC3 cells and one major group of oxidized protein targets were involved in energy metabolism. The oxidative phosphorylation rates were significantly enhanced in both PC3 and LNCaP cells with MnTE-2-PyP treatment, but mitochondrial …
Epigenetic Regulation Of Wnt Signaling By Carboxamide-Substituted Benzhydryl Amines That Function As Histone Demethylase Inhibitors, Wen Zhang, Vitaliy M. Sviripa, Yanqi Xie, Tianxin Yu, Meghan G. Haney, Jessica S. Blackburn, Charles A. Adeniran, Chang-Guo Zhan, David S. Watt, Chunming Liu
Epigenetic Regulation Of Wnt Signaling By Carboxamide-Substituted Benzhydryl Amines That Function As Histone Demethylase Inhibitors, Wen Zhang, Vitaliy M. Sviripa, Yanqi Xie, Tianxin Yu, Meghan G. Haney, Jessica S. Blackburn, Charles A. Adeniran, Chang-Guo Zhan, David S. Watt, Chunming Liu
Molecular and Cellular Biochemistry Faculty Publications
Aberrant activation of Wnt signaling triggered by mutations in either Adenomatous Polyposis Coli (APC) or CTNNB1 (β-catenin) is a hallmark of colorectal cancers (CRC). As part of a program to develop epigenetic regulators for cancer therapy, we developed carboxamide-substituted benzhydryl amines (CBAs) bearing either aryl or heteroaryl groups that selectively targeted histone lysine demethylases (KDMs) and functioned as inhibitors of the Wnt pathway. A biotinylated variant of N-((5-chloro-8-hydroxyquinolin-7-yl) (4-(diethylamino)phenyl)-methyl)butyramide (CBA-1) identified KDM3A as a binding partner. KDM3A is a Jumonji (JmjC) domain-containing demethylase that is significantly upregulated in CRC. KDM3A regulates the demethylation of histone H3's lysine …
A Crisis Of Kelp, Rachel L. Sherman
A Crisis Of Kelp, Rachel L. Sherman
Capstones
Along with insects and lab-grown meat, for years seaweed has been lauded as a sustainable “food of the future” by the U.N. Food and Agricultural Organization. As the world increasingly turns to alternative foods in pursuit of a healthier Earth, seaweed has all the makings of an ecological savior. It’s plentiful — seaweeds and ocean algae make up roughly nine tenths of all the plant life on Earth — it’s cheap to harvest and get to market, packed with nutrition, and keeps oceans clean, absorbing more carbon dioxide and releasing more oxygen than the world’s rainforests.
But outside of Japanese …