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Articles 17431 - 17460 of 21781
Full-Text Articles in Entire DC Network
Is There A Link Between Zika Virus And Microcephaly In Neonates?, Yuliya Salanovich
Is There A Link Between Zika Virus And Microcephaly In Neonates?, Yuliya Salanovich
The Science Journal of the Lander College of Arts and Sciences
With Zika virus spreading worldwide, a lot of attention is drawn to researching its pathogenesis and etiology. It has also been noticed by various research groups and such health agencies such as CDC and WHO that there might be a connection between ZIKV and microcephaly, due to the spiking number of cases of microcephaly reported in areas with affected patients. Temporal and geographical data from the affected ZIKV areas, including Brazil and French Polynesia, suggests a connection between microcephaly and the virus. Tests of amniotic fluids of pregnant women with reported Zika virus infection and microcephalic fetuses revealed the presence …
Spatial And Temporal Homogeneity Of Driver Mutations In Diffuse Intrinsic Pontine Glioma., Hamid Nikbakht, Eshini Panditharatna, Leonie G Mikael, Rui Li, Tenzin Gayden, Alan Siu, Javad Nazarian, + 17 More
Spatial And Temporal Homogeneity Of Driver Mutations In Diffuse Intrinsic Pontine Glioma., Hamid Nikbakht, Eshini Panditharatna, Leonie G Mikael, Rui Li, Tenzin Gayden, Alan Siu, Javad Nazarian, + 17 More
Neurological Surgery Faculty Publications
Diffuse Intrinsic Pontine Gliomas (DIPGs) are deadly paediatric brain tumours where needle biopsies help guide diagnosis and targeted therapies. To address spatial heterogeneity, here we analyse 134 specimens from various neuroanatomical structures of whole autopsy brains from nine DIPG patients. Evolutionary reconstruction indicates histone 3 (H3) K27M-including H3.2K27M-mutations potentially arise first and are invariably associated with specific, high-fidelity obligate partners throughout the tumour and its spread, from diagnosis to end-stage disease, suggesting mutual need for tumorigenesis. These H3K27M ubiquitously-associated mutations involve alterations in TP53 cell-cycle (TP53/PPM1D) or specific growth factor pathways (ACVR1/PIK3R1). Later oncogenic alterations arise in sub-clones and often …
An Individual With Human Immunodeficiency Virus, Dementia, And Central Nervous System Amyloid Deposition, Raymond Scott Turner, Melanie Chadwick, Wesley A Horton, Gary L. Simon, Xiong Jiang, Giuseppe Esposito
An Individual With Human Immunodeficiency Virus, Dementia, And Central Nervous System Amyloid Deposition, Raymond Scott Turner, Melanie Chadwick, Wesley A Horton, Gary L. Simon, Xiong Jiang, Giuseppe Esposito
Medicine Faculty Publications
Human immunodeficiency virus (HIV)-associated neurocognitive disorder (HAND) is found in 30%-50% of individuals with HIV infection. To date, no HIV+ individual has been reported to have a positive amyloid PET scan. We report a 71-year-old HIV+ individual with HAND. Clinical and neuropsychologic evaluations confirmed a progressive mild dementia. A routine brain MRI was normal for age. [18F]Fluorodeoxyglucose-PET revealed mild hypermetabolism in bilateral basal ganglia and hypometabolism of bilateral parietal cortex including the posterior cingulate/precuneus. Resting state functional MRI revealed altered connectivity as found with individuals with mild AD. CSF examination revealed a low Aβ42/tau index but a low phospho-tau. An …
Trimethylamine N-Oxide: The Good, The Bad And The Unknown, Manuel T. Velasquez, Ali Ramezani, Alotaibi Manal, Dominic S. Raj
Trimethylamine N-Oxide: The Good, The Bad And The Unknown, Manuel T. Velasquez, Ali Ramezani, Alotaibi Manal, Dominic S. Raj
Medicine Faculty Publications
Trimethylamine N-oxide (TMAO) is a small colorless amine oxide generated from choline, betaine, and carnitine by gut microbial metabolism. It accumulates in the tissue of marine animals in high concentrations and protects against the protein-destabilizing effects of urea. Plasma level of TMAO is determined by a number of factors including diet, gut microbial flora and liver flavin monooxygenase activity. In humans, a positive correlation between elevated plasma levels of TMAO and an increased risk for major adverse cardiovascular events and death is reported. The atherogenic effect of TMAO is attributed to alterations in cholesterol and bile acid metabolism, activation …
Quality Of Life And Athletic Participation Assessment In Children And Adolescents With Congenital Heart Disease, Kayla Stuckey
Quality Of Life And Athletic Participation Assessment In Children And Adolescents With Congenital Heart Disease, Kayla Stuckey
Honors Program Theses
Just under 1% of infants are born with a heart defect [congenital heart disease (CHD)], and as a result of treatment and early diagnosis, 85% of these children survive into adulthood. Few studies have investigated the quality of life, global happiness, and athletic participation in pediatric populations, especially with respect to those who have CHD. In 2010, the number of people aged 0-18 years who had CHD was estimated to be between 1,905,000 and 2,102,000, and there are varying qualities of life that these children experience based on disease severity. In addition to patients who are born with CHD, children …
Coronary Flow Reserve In Adults With Systemic Right Or Single Ventricles, Laura J. Olivieri, Li-Yueh Hsu, Anitha S. John, Karen S. Kuehl, Andrew Arai
Coronary Flow Reserve In Adults With Systemic Right Or Single Ventricles, Laura J. Olivieri, Li-Yueh Hsu, Anitha S. John, Karen S. Kuehl, Andrew Arai
Pediatrics Posters and Presentations
No abstract provided.
Role Of Elosulfase Alfa In Mucopolysaccharidosis Iva., Debra S. Regier, Pranoot Tanpaiboon
Role Of Elosulfase Alfa In Mucopolysaccharidosis Iva., Debra S. Regier, Pranoot Tanpaiboon
Pediatrics Faculty Publications
Mucopolysaccharidosis type IVA (MPS IVA or Morquio A) is an autosomal recessive lysosomal storage disease which results in a striking skeletal phenotype, but does not negatively impact the intellect of the patient. MPS IVA has a phenotypic continuum that ranges from a severe and rapidly progressing form to a slowly progressive form. The clinical diagnosis is often made in the preschool years based on abnormal bone findings on physical examination and dysplasia on radiographic imaging. Supportive care has been the mainstay in caring for patients. Orthopedic physicians often form the core of the care team due to the early and …
Aeromonas Hydrophila In Amphibians: Harmless Bystander Or Opportunistic Pathogen, Zachary P. Rivas
Aeromonas Hydrophila In Amphibians: Harmless Bystander Or Opportunistic Pathogen, Zachary P. Rivas
Honors Undergraduate Theses
For several decades amphibian populations have been declining. Historically, the bacterium A. hydrophila (Ah) was hypothesized to be the causal factor in amphibian disease and population declines. However, with the discovery of a chytrid fungus, Batrachochytrium dendrobatidis (Bd) in 1998, which was identified on the skin of amphibians during documented mortality events, Ah research became of minor interest as focus shifted to Bd. Recent studies into the immunocompromising abilities of Bd, however, have opened new questions about its relationship with Ah and their combined effects on a host.
In this study, I explore the …
Prenatal Nicotine Exposure As A Teratogen In Neurological Pathways, Monica Grover
Prenatal Nicotine Exposure As A Teratogen In Neurological Pathways, Monica Grover
AUCTUS: The Journal of Undergraduate Research and Creative Scholarship
Attention-deficit/hyperactivity disorder (ADHD) is the most heritable and commonly diagnosed childhood psychiatric disorder with 4% of all children being diagnosed with this disorder. Prenatal smoking has been found to be a risk factor for ADHD, a disorder that has been believed to be linked to the fluctuation of dopamine levels. Prenatal nicotine exposure in the second trimester influences dopaminergic neurological pathways by altering dopamine release levels. The altered dopamine levels make the fetus brain more sensitive to the nicotine, causing the nicotine exposure to be more dangerous in causing ADHD symptoms. Prenatal nicotine exposure alters the neurological pathway of the …
The Impact Of Urbanization On Mosquito-Borne Viruses, Nikhita Puthuveetil
The Impact Of Urbanization On Mosquito-Borne Viruses, Nikhita Puthuveetil
UROP Posters
Mosquito-borne diseases such as yellow fever, dengue, and West Nile are rapidly emerging across the globe. Their emergence is often aided by the growth of their vector population, or the organisms that transmit the virus to the host. Urbanization and land use often destroys the habitat of the virus and its vector. However, the virus and its vector often survive despite the changes to its environment. The goal of this paper is to find out exactly how urbanization and changes in land use affect mosquito-borne viruses and how these viruses survive despite the destruction of their habitats. To understand how …
A Feasibility Study Of A Lqts-Specific Workshop: Childrens' Problem-Solving Skills, Coping, Self-Efficacy, And Locus Of Control, Katherine L. Corvi
A Feasibility Study Of A Lqts-Specific Workshop: Childrens' Problem-Solving Skills, Coping, Self-Efficacy, And Locus Of Control, Katherine L. Corvi
PCOM Psychology Dissertations
Living with a chronic medical condition in childhood and adolescence requires many critical lifestyle changes and restrictions, which may compromise psychosocial development. Social problem-solving skills have been shown to enhance the ability to cope with both minor and major daily stressors and to minimize psychological problems associated with physical health problems. The research is part of a larger study with children with long QT syndrome (LQTS) and their parents; the present study focuses on the children. This study was developed to examine the feasibility and efficacy of a problem-solving workshop to increase problem solving, self-efficacy, coping, and locus of control …
Medical Interns', Residents' And Attending Physicians' Attitudes Towards Integrative Medicine And Recommended Treatments For Patients With Psoriasis, Jennifer L. Pacyon
Medical Interns', Residents' And Attending Physicians' Attitudes Towards Integrative Medicine And Recommended Treatments For Patients With Psoriasis, Jennifer L. Pacyon
PCOM Psychology Dissertations
Background: Psoriasis is a multifactorial disease that effect approximately 7.5 million Americans. There are a variety of traditional treatments for psoriasis (e.g. topical medications, biologics) that for many, are effective in combating the disease. However, traditional treatments often have aversive side effects and may not be appropriate for every patient (e.g. pregnant women). Additionally, the efficacy of these medications are variable leaving some looking for adjunctive treatment options. There is increasing evidence to support the use of adjunctive treatments for psoriatic patients (e.g. psychotherapy, mindfulness). However, research is variable in regards to medical professionals’ attitudes towards integrative medicine (IM) as …
Chronic Pancreatitis, Pain, And Anxiety In An Alcohol And High Fat Mouse Model, Tiffanie Clinkinbeard
Chronic Pancreatitis, Pain, And Anxiety In An Alcohol And High Fat Mouse Model, Tiffanie Clinkinbeard
Theses and Dissertations--Gerontology
Homeodynamic space (HDS) shrinks as vulnerability increases with aging and repeated damage to the cells. HDS is lost in alcoholic pancreatitis patients due to overconsumption of alcohol, smoking, and high fat diets. Etiologically relevant animal models for study of chronic pancreatitis (CP) are needed. In order to begin filling this gap a central purpose of this dissertation research was to examine relationships between the alcohol and high fat diet (AHF) and pancreatitis with attention to hypersensitivity and anxiety-like behaviors. The AHF diet induced pancreatitis described here etiologically mimics human risk factors of AHF consumption for advancement to alcoholic CP.
In …
Column: From Plato To Ebola?: Introducing World History In A First Year Seminars On Epidemics, Carol Summers
Column: From Plato To Ebola?: Introducing World History In A First Year Seminars On Epidemics, Carol Summers
History Faculty Publications
How can world historians take advantage of interdisciplinary general education requirements to introduce new students to the methods and uses of history? When survey courses are not institutionalized, specialized courses that draw on individual faculty members’ expertise and fit into general education curricular niches may be the best option. This essay describes my efforts in a First Year Seminar on Epidemics and Empires to teach a broader range of students to how world historical approaches and methods both introduce them to a bigger, more complicated world, and provide tools to understand it.
Improving The Renal Profile Of A Hiv Drug Combination Through Prodrug Alteration, Derek E. Murrell, Sam Harirforoosh
Improving The Renal Profile Of A Hiv Drug Combination Through Prodrug Alteration, Derek E. Murrell, Sam Harirforoosh
Pharmacy Faculty Articles and Research
"Human immunodeficiency virus (HIV) continues to alter the lives of countless individuals, who once infected, live on a continuum between viral suppression and acquired immunodeficiency syndrome. The former being achieved via the use of various antiretrovirals beginning with the release of zidovudine over a quarter-century ago; whereas the latter may result from treatment failure or lack of treatment such as in the absence of diagnosis or the inaccessibility of medication. As no cure is yet available, regimens must be continued lifelong. Thus, contemporary treatment is given as a combination of agents from various antiretroviral drug classes in an effort to …
Copd Exacerbation Biomarkers Validated Using Multiple Reaction Monitoring Mass Spectrometry, Janice M. Leung, Virginia Chen, Zsuzsanna Hollander, Darlene Dai, Scott J. Tebbutt, Shawn D. Aaron, Kathy L. Vandemheen, Stephen I. Rennard, J. Mark Fitzgerald, Prescott G. Woodruff, Stephen C. Lazarus, John E. Connett, Harvey O. Coxson, Bruce Miller, Christoph Borchers, Bruce M. Mcmanus, Raymond T. Ng, Don D. Sin
Copd Exacerbation Biomarkers Validated Using Multiple Reaction Monitoring Mass Spectrometry, Janice M. Leung, Virginia Chen, Zsuzsanna Hollander, Darlene Dai, Scott J. Tebbutt, Shawn D. Aaron, Kathy L. Vandemheen, Stephen I. Rennard, J. Mark Fitzgerald, Prescott G. Woodruff, Stephen C. Lazarus, John E. Connett, Harvey O. Coxson, Bruce Miller, Christoph Borchers, Bruce M. Mcmanus, Raymond T. Ng, Don D. Sin
Journal Articles: Pulmonary & Critical Care Med
BACKGROUND: Acute exacerbations of chronic obstructive pulmonary disease (AECOPD) result in considerable morbidity and mortality. However, there are no objective biomarkers to diagnose AECOPD.
METHODS: We used multiple reaction monitoring mass spectrometry to quantify 129 distinct proteins in plasma samples from patients with COPD. This analytical approach was first performed in a biomarker cohort of patients hospitalized with AECOPD (Cohort A, n = 72). Proteins differentially expressed between AECOPD and convalescent states were chosen using a false discovery rate < 0.01 and fold change >1.2. Protein selection and classifier building were performed using an elastic net logistic regression model. The performance of the biomarker panel …
The Integration Of Mobile Technology To Lower The Risk Of Developing Cervical Cancer In Hiv Positive Women, Tugce Kinik
The Integration Of Mobile Technology To Lower The Risk Of Developing Cervical Cancer In Hiv Positive Women, Tugce Kinik
Dissertations, Master's Theses and Master's Reports
Cervical cancer is the most common cancer in HIV positive women in the world [1]. According to epidemiologists, HPV infection alone will not initiate cervical cancer [2]. In addition to high risk HPV types, smoking, long term hormonal contraceptive use, high parity, HIV/AIDS infection, sexual activity before 20 years of age, multiple sexual partners, exposure to sexually transmitted disease, and family history of cervical cancer are other reasons to turn an HPV infection to the cervical cancer [3]. With the increasing global population, cervical cancer cases are expected to increase 46% until 2030 [4]. Effective prevention and control efforts will …
The Effect Of Varying Bisphosphonate Treatment On Changes In Bone Microdamage In Osteoporotic Women, Stefanie L. Pagano
The Effect Of Varying Bisphosphonate Treatment On Changes In Bone Microdamage In Osteoporotic Women, Stefanie L. Pagano
Theses and Dissertations--Biomedical Engineering
Bisphosphonates (BPs) are used for the treatment of osteoporosis. This study evaluated changes in bone microdamage with BP treatment duration. Fifty-one iliac crest biopsies were obtained from Caucasian women, ages 41 to 87 years, who were previously diagnosed and treated for osteoporosis with oral BPs for 1-16 years duration. Patients diagnosed with any disease, drug, or substance abuse that may affect bone metabolism were excluded.
Bone samples were sectioned, stained, and histologically examined using light and fluorescence microscopy. Bone area, number and length of microcracks were quantified. Following adjustment for age, BMD, BV/TV, trabecular thickness, and turnover, regression analysis revealed …
Intra-Articular Interleukin-1 Receptor Antagonist (Il1-Ra) Microspheres For Posttraumatic Osteoarthritis: In Vitro Biological Activity And In Vivo Disease Modifying Effect, Khaled A. Elsaid, Anand Ubhe, Ziyad Shaman, Gerard D'Souza
Intra-Articular Interleukin-1 Receptor Antagonist (Il1-Ra) Microspheres For Posttraumatic Osteoarthritis: In Vitro Biological Activity And In Vivo Disease Modifying Effect, Khaled A. Elsaid, Anand Ubhe, Ziyad Shaman, Gerard D'Souza
Pharmacy Faculty Articles and Research
Background: Interleukin-1 receptor antagonist (IL-1 ra) can be disease-modifying in posttraumatic osteoarthritis (PTOA). One limitation is its short joint residence time. We hypothesized that IL-1 ra encapsulation in poly (lactide-co-glycolide) (PLGA) microspheres reduces IL-1 ra systemic absorption and provides an enhanced anti-PTOA effect.
Methods: IL-1 ra release kinetics and biological activity: IL-1 ra encapsulation into PLGA microsphere was performed using double emulsion solvent extraction. Lyophilized PLGA IL-1 ra microspheres were resuspended in PBS and supernatant IL-1 ra concentrations were assayed. The biological activity of IL-1 ra from PLGA IL-1 ra microspheres was performed using IL-1 induced lymphocyte proliferation …
A Mechanistic Study Of An Ipsc Model For Leigh’S Disease Caused By Mtdna Mutataion (8993 T>G), John P. Galdun
A Mechanistic Study Of An Ipsc Model For Leigh’S Disease Caused By Mtdna Mutataion (8993 T>G), John P. Galdun
Theses and Dissertations
Mitochondrial diseases encompass a broad range of devastating disorders that typically affect tissues with high-energy requirements. These disorders have been difficult to diagnose and research because of the complexity of mitochondrial genetics, and the large variability seen among patient populations. We have devised and carried out a mechanistic study to generate a cell based model for Leigh’s disease caused by mitochondrial DNA mutation 8993 T>G. Leigh’s disease is a multi-organ system disorder that depends heavily on the mutation burden seen within various tissues. Using new reprogramming and sequencing technologies, we were able to show that Leigh’s disease patient fibroblasts …
Hydrocortisone, Vitamin C And Thiamine For The Treatment Of Severe Sepsis And Septic Shock: A Retrospective Before-After Study, Paul E. Marik, Vikramjit Khangoora, Racquel Rivera, Michael H. Hooper, John Catravas
Hydrocortisone, Vitamin C And Thiamine For The Treatment Of Severe Sepsis And Septic Shock: A Retrospective Before-After Study, Paul E. Marik, Vikramjit Khangoora, Racquel Rivera, Michael H. Hooper, John Catravas
Bioelectrics Publications
BACKGROUND: The global burden of sepsis is estimated as 15 to 19 million cases annually with a mortality rate approaching 60% in low income countries.
METHODS: In this retrospective before-after clinical study, we compared the outcome and clinical course of consecutive septic patients treated with intravenous vitamin C, hydrocortisone and thiamine during a 7-month period (treatment group) compared to a control group treated in our ICU during the preceding 7 months. The primary outcome was hospital survival. A propensity score was generated to adjust the primary outcome.
FINDINGS: There were 47 patients in both treatment and control groups with no …
The Effects Of Amixicile, A Pyruvate Ferredoxin Oxidoreductase Inhibitor, On Oral Treponemes, Lucas A. Reed
The Effects Of Amixicile, A Pyruvate Ferredoxin Oxidoreductase Inhibitor, On Oral Treponemes, Lucas A. Reed
Theses and Dissertations
Periodontal disease (PD) is a polymicrobial infection characterized by inflammation of the gingiva, alveolar bone resorption, and tooth loss (edentulism). Treponema denticola along with Porphyromonas gingivalis and Tannerella forsythia are among the “Red Complex” and are main etiological agents in PD. Treponemes are a member of the Spirochaeta phylum and are obligate anaerobes, that express pyruvate ferredoxin oxidoreductase (PFOR). The enzyme catalyzes the oxidation of pyruvate to acetyl-CoA and reduced ferredoxin. Amixicile is a novel bacteriostatic derivative of nitazoxanide and an inhibitor of PFOR. In light of the fact that Treponemes express PFOR, this study was conducted to investigate the …
Investigation Of Anaplasma Phagocytophilum And Anaplasma Marginale Adhesin-Host Cell Interactions, Kathryn S. Hebert
Investigation Of Anaplasma Phagocytophilum And Anaplasma Marginale Adhesin-Host Cell Interactions, Kathryn S. Hebert
Theses and Dissertations
Anaplasma phagocytophilum and A. marginale are the etiologic agents of bovine anaplasmosis and human granulocytic anaplasmosis, respectively. As obligate intracellular pathogens, binding and entry of host cells is a prerequisite for survival. The molecular events associated with these processes are poorly understood. Identifying the adhesins mediating binding, delineating their key functional domains, and determining the molecular determinants to which they bind not only benefits better understanding of Anaplasma spp. pathobiology, but could also benefit the development of novel approaches for protecting against infection. We previously demonstrated that A. phagocytophilum outer membrane protein A (ApOmpA) is critical for bacterial binding and …
Genotoxic Effects Of Magnesium Deficiency In The Cardiovascular System And Their Relationships To Cardiovascular Diseases And Atherogenesis, Burton M. Altura, Nilank C. Shah, Gatha J. Shah, Bella T. Altura
Genotoxic Effects Of Magnesium Deficiency In The Cardiovascular System And Their Relationships To Cardiovascular Diseases And Atherogenesis, Burton M. Altura, Nilank C. Shah, Gatha J. Shah, Bella T. Altura
The School of Health Sciences Publications and Research
The authors present evidence for a novel, new hypothesis whereby magnesium deficiency (MgD) acts as a genotoxic agent which probably causes numerous, hertofore, unrecognized consequences, even over a short-term, on the physiological, molecular and biochemical machinery of cardiovascular tissues and cells. The end result of these genotoxic effects of MgD probably plays important roles in the etiology and generation of diverse cardiovascular diseases, atherosclerosis, inflammation, and strokes via alterations in the epigenome of cardiovascular tissues and cells. The importance of adequate water-borne and dietary levels of Mg is emphasized.
The Expression Of Platelet-Activating Factor Is Induced By Low Extracellular Mg2+ In Aortic, Cerebral And Neonatal Coronary Vascular Smooth Muscle; Cross Talk With Ceramide Production, Nf–Kb And Proto-Oncogenes: Possible Links To Atherogenesis And Sudden Cardiac Death In Children And Infants, And Aging: Hypothesis, Review And Viewpoint, Burton M. Altura, Wenyan Li, Aimin Zhang, Tao Zheng, Nilank C. Shah, Gatha J. Shah, Bella T. Altura
The Expression Of Platelet-Activating Factor Is Induced By Low Extracellular Mg2+ In Aortic, Cerebral And Neonatal Coronary Vascular Smooth Muscle; Cross Talk With Ceramide Production, Nf–Kb And Proto-Oncogenes: Possible Links To Atherogenesis And Sudden Cardiac Death In Children And Infants, And Aging: Hypothesis, Review And Viewpoint, Burton M. Altura, Wenyan Li, Aimin Zhang, Tao Zheng, Nilank C. Shah, Gatha J. Shah, Bella T. Altura
The School of Health Sciences Publications and Research
An attempt is made, herein, to reconcile, and integrate, various phenomena associated with magnesium deficiency (MgD) in cardiovascular health, disease, and aging as well as reasons for the high incidence of sudden cardiac death in infants and young adults. With new experiments, we demonstrate, for the first time, that very low concentrations of platelet-activating factor (PAF), when added to primary cultured cerebral, neonatal coronary, and aortic vascular smooth muscle (VSM) cells (from three different mammals) promote rapid rises in free intracellular Ca2+ ions and a significant, concomitant reduction in free intracellular Mg2+ ions; these actions of PAF being curtailed with …
Potential Roles Of Magnesium Deficiency In Inflammation And Atherogenesis: Importance And Cross-Talk Of Platelet-Activating Factor And Ceramide, Burton M. Altura, Asefa Gebrewold, Nilank C. Shah, Gatha J. Shah, Bella T. Altura
Potential Roles Of Magnesium Deficiency In Inflammation And Atherogenesis: Importance And Cross-Talk Of Platelet-Activating Factor And Ceramide, Burton M. Altura, Asefa Gebrewold, Nilank C. Shah, Gatha J. Shah, Bella T. Altura
The School of Health Sciences Publications and Research
Epidemiologic studies in North America and Europe have shown that people consuming Western-type diets are low in magnesium (Mg) content (i.e., < 30 - 65% of the RDA for Mg); most such diets in the USA show that 60 - 80% of Americans are consuming only 185 - 235 mg/day of Mg. Low Mg content in areas of soft-water, and Mg-poor soil, is associated with high incidences of ischemic heart disease (IHD), coronary artery disease, hypertension, and sudden cardiac death (SCD). It is clear that the leading underlying cause of death worldwide is atherosclerosis. Importantly, both animal and human studies have shown an inverse relationship between dietary intake of Mg and atherosclerosis. The myocardial level of Mg has consistently been observed to be lower in subjects dying from IHD and SCD in soft-water areas than those in hard-water areas. Over the past 20 years, our laboratories, using several types of primary cultured vascular smooth muscle (VSM) cells, and myocardial cells, demonstrated that declining levels of extracellular Mg ([Mg2+]0) activated several enzymatic pathways to produce increases in cellular sphingolipids, particularly ceramides which are known to exert numerous types of cardiovascular manifestations including inflammatory effects; the latter play important roles in atherogenesis and cardiovascular diseases. Approximately 20 years ago, we reported that low [Mg2+]0 caused formation of platelet-activating factor (PAF) as well as other types of PAF-like molecules and suggested that these molecules might be causative agents in low Mg2+- induced IHD and SCD. Herein, we review results and data from our labs which strongly support roles for ceramides, PAF and PAF-like lipids in low [Mg2+]0-induced IHD and SCD.
Coronary Artery Calcium Scoring Vs. Exercise Tolerance Testing: Diagnoses And Risk Stratification Of Ascvd, Brittany Anundson
Coronary Artery Calcium Scoring Vs. Exercise Tolerance Testing: Diagnoses And Risk Stratification Of Ascvd, Brittany Anundson
Physician Assistant Scholarly Project Posters
• Atherosclerotic cardiovascular disease (ASCVD) is highly prevalent in today’s society and contributes to high rates of mortality involved with heart disease.
• The initial assessment of ASCVD and risk stratification concerning the development of an acute coronary event can be performed in a number of ways.
• Current American Heart Association (AHA) guidelines recommend exercise stress testing (ETT) as the initial, noninvasive evaluation of choice.
• However, the accuracy of this test is highly dependent on the patient’s endurance, body mass index, and artifact, making analyzation difficult.
• Non-contrast cardiac computed tomography (CT) with coronary artery calcium (CAC) scoring …
Direct Factor Xa Inhibitors Versus Warfarin In Non-Valvular Atrial Fibrillation: Efficacy, Safety, Cost, And Reversibility, Cory D. Jacobs
Direct Factor Xa Inhibitors Versus Warfarin In Non-Valvular Atrial Fibrillation: Efficacy, Safety, Cost, And Reversibility, Cory D. Jacobs
Physician Assistant Scholarly Project Posters
Atrial fibrillation is a common cause for stroke. Vitamin K antagonists such as warfarin are an effective prophylactic medication to prevent stroke in patients with atrial fibrillation. Warfarin, however, has a narrow therapeutic index, reacts with certain foods, increases bleeding risks, and requires frequent monitoring. New medications have been developed to prevent clot formation while avoiding the negative effects of warfarin. The purpose of this study was to compare direct factor Xa inhibitors (rivaroxaban, apixaban, and edoxaban) versus warfarin in stroke prevention, safety, and cost.
The review of literature analyzed studies comparing warfarin and direct factor Xa inhibitors in patients …
Pcsk9 Inhibitors: A Review Of The Efficacy, Safety And Current Literature Recommendations, Lacey L. Jandrin
Pcsk9 Inhibitors: A Review Of The Efficacy, Safety And Current Literature Recommendations, Lacey L. Jandrin
Physician Assistant Scholarly Project Posters
Atherosclerotic cardiovascular disease is the leading cause of morbidity and mortality in developed counties. It is estimated that 60 million Americans have LDL-C levels > 160 mg/dl. Only about 1/3 of these patients meet treated LDL cholesterol goals of < 70 mg/dl indicating a need for greater control. High dose statins have been the mainstay in treatment of dyslipidemia, however, up to 20% of patients are statin intolerant indicating a need for secondary treatment strategies. This lead to the development of monoclonal antibodies to proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors. PCSK9 inhibitors result in decreased destruction of the low-density lipoprotein receptor (LDL-R) which leads to an increase in the transport of LDL-C to its destruction effectively reducing LDL-C levels in the blood. The purpose of this study is to analyze the literature available on the efficacy and safety of new PCSK9 inhibitors. The results of this literature review indicated that PCSK9 inhibitors effectively lowered LDL-C by an average of approximately 50%. The evidence reviewed by this analysis indicate that 70% of patients treated with PCSK9 inhibitors met LDL-C goals. The findings also indicate that the side effects associated with this new class of medications are comparable to current side effects seen with traditional cholesterol lowering agents. The largest side effect seen in up to 10% of patients were injection site reactions and did not require discontinuation of the medication. The results of this analysis indicate that PCSK9 inhibitors may be of benefit in patients who are statin intolerant, do not meet LDL-C goals on traditional statin therapy or have familial hypercholesterolemia. Education in use of injectables, cost and insurance coverage and dosing schedule are likely to be areas of continued research and may affect use of this new class of cholesterol lowering agents.
Does Adherence To A Plant-Based Diet Cause A Statistically Significant Decrease In The Risk Of Cardiovascular Events?, Amber H. Johnson
Does Adherence To A Plant-Based Diet Cause A Statistically Significant Decrease In The Risk Of Cardiovascular Events?, Amber H. Johnson
Physician Assistant Scholarly Project Posters
• One of the current problems in many affluent societies is the straightforward access to convenience and fast foods. Although these selections have suitability for today’s fast-paced world, overall nutritional value becomes the martyr of such practices. It is a logical thought that there could be a correlation between this nutritional pattern and the ever-increasing presence of obesity, cardiovascular disease, type 2 diabetes mellitus, hypertension, dyslipidemia, cancer, and other conditions carrying a proverbial death sentence.
• The intent of this review of the literature was to determine the effect a plant-based diet versus an omnivorous diet would have on adults, …