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Articles 61 - 90 of 6968
Full-Text Articles in Medicine and Health Sciences
Phosphorylation Meets Nuclear Import: A Review., Jonathan D Nardozzi, Kaylen Lott, Gino Cingolani
Phosphorylation Meets Nuclear Import: A Review., Jonathan D Nardozzi, Kaylen Lott, Gino Cingolani
Department of Biochemistry and Molecular Biology Faculty Papers
Phosphorylation is the most common and pleiotropic modification in biology, which plays a vital role in regulating and finely tuning a multitude of biological pathways. Transport across the nuclear envelope is also an essential cellular function and is intimately linked to many degeneration processes that lead to disease. It is therefore not surprising that phosphorylation of cargos trafficking between the cytoplasm and nucleus is emerging as an important step to regulate nuclear availability, which directly affects gene expression, cell growth and proliferation. However, the literature on phosphorylation of nucleocytoplasmic trafficking cargos is often confusing. Phosphorylation, and its mirror process dephosphorylation, …
The Pseudomonas Aeruginosa Magnesium Transporter Mgte Inhibits Transcription Of The Type Iii Secretion System, Gregory G. Anderson, Timothy L. Yahr, Rustin R. Lovewell, George A. O'Toole
The Pseudomonas Aeruginosa Magnesium Transporter Mgte Inhibits Transcription Of The Type Iii Secretion System, Gregory G. Anderson, Timothy L. Yahr, Rustin R. Lovewell, George A. O'Toole
Dartmouth Scholarship
Pseudomonas aeruginosa is an opportunistic pathogen that causes life-long pneumonia in individuals with cystic fibrosis (CF). These long-term infections are maintained by bacterial biofilm formation in the CF lung. We have recently developed a model of P. aeruginosa biofilm formation on cultured CF airway epithelial cells. Using this model, we discovered that mutation of a putative magnesium transporter gene, called mgtE, led to increased cytotoxicity of P. aeruginosa toward epithelial cells. This altered toxicity appeared to be dependent upon expression of the type III secretion system (T3SS). In this study, we found that mutation of mgtE results in increased T3SS …
Mir-17* Suppresses Tumorigenicity Of Prostate Cancer By Inhibiting Mitochondrial Antioxidant Enzymes, Yong Xu, Fang Fang, Jiayou Zhang, Sajni Josson, William H. St. Clair, Daret K. St. Clair
Mir-17* Suppresses Tumorigenicity Of Prostate Cancer By Inhibiting Mitochondrial Antioxidant Enzymes, Yong Xu, Fang Fang, Jiayou Zhang, Sajni Josson, William H. St. Clair, Daret K. St. Clair
Toxicology and Cancer Biology Faculty Publications
Aberrant micro RNA (miRNA) expression has been implicated in the pathogenesis of cancer. Recent studies have shown that the miR-17-92 cluster is overexpressed in many types of cancer. The oncogenic function of mature miRNAs encoded by the miR-17-92 cluster has been identified from the 5' arm of six precursors. However, the function of the miRNAs produced from the 3' arm of these precursors remains unknown. The present study demonstrates that miR-17* is able to suppress critical primary mitochondrial antioxidant enzymes, such as manganese superoxide dismutase (MnSOD), glutathione peroxidase-2 (GPX2) and thioredoxin reductase-2 (TrxR2). Transfection of miR-17* into prostate cancer PC-3 …
Self-Insurance And The Potential Effects Of Health Reform On The Small-Group Market, Kathryn Linehan
Self-Insurance And The Potential Effects Of Health Reform On The Small-Group Market, Kathryn Linehan
National Health Policy Forum
The Patient Protection and Affordable Care Act (PPACA) as amended by the Health Care Education Reconciliation Act of 2010 makes landmark changes to health insurance markets. Individual and small-group insurance plans and markets will see the biggest changes, but PPACA also affects large employer and self-insured plans by imposing rules for benefit design and health plan practices. Over half of workers—most often those in very large firms—are covered by self-insured health plans in which employers (or employee groups) bear all or some of the risk of providing insurance coverage to a defined population of workers and their dependents. As PPACA …
Formalizing A Conceptual Framework Of Work Domain Knowledge, Min Zhu
Formalizing A Conceptual Framework Of Work Domain Knowledge, Min Zhu
Dissertations & Theses (Open Access)
Background: The failure rate of health information systems is high, partially due to fragmented, incomplete, or incorrect identification and description of specific and critical domain requirements. In order to systematically transform the requirements of work into real information system, an explicit conceptual framework is essential to summarize the work requirements and guide system design. Recently, Butler, Zhang, and colleagues proposed a conceptual framework called Work Domain Ontology (WDO) to formally represent users’ work. This WDO approach has been successfully demonstrated in a real world design project on aircraft scheduling. However, as a top level conceptual framework, this WDO has not …
Feasibility Study Among Military Personnel With Traumatic Amputation During Military Combat Or Training, Michele (Shelly) R. Burdette-Taylor Phd, Msn, Rn-Bc, Cwcn, Cfcn
Feasibility Study Among Military Personnel With Traumatic Amputation During Military Combat Or Training, Michele (Shelly) R. Burdette-Taylor Phd, Msn, Rn-Bc, Cwcn, Cfcn
Dissertations
Military operations have resulted in a significant number of mangled extremities leading to traumatic amputations. Extremity injuries predominate, representing 50% to 70% of all injuries treated (Melcer, 2010). The majority of injuries sustained in Operation Endearing Freedom/Operation Iraqi Freedom (OEF/OIF) are combined penetrating, burn and blast injuries, traumatic amputation, and infections from the multi-drug resistant organism, Acinetobacter (Melcer, 2010). The purpose of this study was to measure the quality of well-being and impact of events in a group of adults who served in the U.S. armed forces and sustained the loss of one or more limbs during any combat or …
What Americans Can Learn From Sports Day In Canada?, Rick Burton, Norm O'Relly
What Americans Can Learn From Sports Day In Canada?, Rick Burton, Norm O'Relly
Sport Management - All Scholarship
No abstract provided.
Anxiety And Depression Among Outpatients With Type 2 Diabetes: A Multi-Centre Study Of Prevalence And Associated Factors., Ali Khan Khuwaja, Saima Lalani, Raheem Dhanani, Iqbal Syed Azam, Ghazala Rafique, Franklin White
Anxiety And Depression Among Outpatients With Type 2 Diabetes: A Multi-Centre Study Of Prevalence And Associated Factors., Ali Khan Khuwaja, Saima Lalani, Raheem Dhanani, Iqbal Syed Azam, Ghazala Rafique, Franklin White
Department of Family Medicine
Background: Anxiety and depression contribute to poor disease outcomes among individuals with diabetes. This study aimed to assess the prevalence of anxiety and depression and to identify their associated factors including metabolic components among people with type 2 diabetes. Methods: We conducted a cross-sectional, multi-center study in four out-Patient clinics in Karachi, Pakistan. In all, 889 adults with type-2 diabetes were included in this study. Anxiety and depression were measured by using the Hospital Anxiety and Depression Scale (HADS). Multivariable analysis using multiple logistic regression was carried out to evaluate the combined effect of various factors associated with anxiety and …
Medical School Watercooler Newsletter - December 19, 2010, Lindsey Lyle
Medical School Watercooler Newsletter - December 19, 2010, Lindsey Lyle
Watercooler Newsletter
This is the December 19, 2010 edition of the Frederick P. Whiddon College of Medicine's newsletter - Watercooler.
Contents Include:
- North Drive Closed Through Jan. 2
- Students Donate Books to USA Pediatric Clinics Through Reach Out and Read Program
- Mark Your Calendars: Gumbo Chili Showdown
- USA Library Hosts "DepARTmental" Art Exhibition
- USA Neurologist Speaks at AANEM 57th Annual Meeting in Quebec City
Von Willebrand Factor Expression In Vascular Endothelial Cells Of Cage Control And Antiorthostatic Cage Suspension Golden Hamster Ovaries., Kristan Provchy
Von Willebrand Factor Expression In Vascular Endothelial Cells Of Cage Control And Antiorthostatic Cage Suspension Golden Hamster Ovaries., Kristan Provchy
Undergraduate Honors Theses
The hamster estrous cycle lasts four days and is considered to be a physiological model for angiogenesis. Angiogenesis is the formation of new capillaries from preexisting vessels, and it occurs extensively during corpus luteum formation in the estrous cycle. Von Willebrand Factor (vWF) is a glycoprotein that is secreted uniquely in endothelial cells and megakaryocytes. It is frequently used as an endothelial cell marker and it is able to detect vessels within tissues when it is used in immunohistochemical staining techniques. This study explores von Willebrand Factor expression within Golden Hamster ovarian tissue. In particular, this study uses cage control …
The Influence Of Neurocognitive Impairment On Treatment Outcomes Among Drug-Involved People Living With Hiv/Aids, Ifeoma O. Ezeabogu
The Influence Of Neurocognitive Impairment On Treatment Outcomes Among Drug-Involved People Living With Hiv/Aids, Ifeoma O. Ezeabogu
Master's Theses
Drug- and sex-related HIV risk behaviors and sub-optimal adherence to HIV medication regimens can jeopardize the health of HIV–infected injection drug users (IDUs) and threaten community health. Findings to date indicate that it is feasible to deliver a brief behavioral risk reduction/medication adherence group intervention to HIV-infected IDUs in a community-based setting. Being adherent to HAART or being able to successfully participate in behavioral interventions targeting adherence and harm reduction often requires a relatively high level of cognitive abilities. HIV infection and substance abuse are known to independently affect the central nervous system and this can result in neuro-cognitive impairment. …
3000 Steps In 30 Minutes, Five Days Per Week Yields Metabolic Improvements Compared To 150 Weekly Minutes, Valerie Ann Lambert
3000 Steps In 30 Minutes, Five Days Per Week Yields Metabolic Improvements Compared To 150 Weekly Minutes, Valerie Ann Lambert
Masters Theses, 2010-2019
The physical activity recommendation for U.S. adults is to engage in moderate-intensity exercise for at least 150 minutes per week. Pedometers have gained popularity as a tool for motivating and estimating daily physical activity. Recently it was suggested 3000 steps in 30 minutes may be equivalent to moderate-intensity walking. To date, this recommendation has yet to be examined over an extended period of time. PURPOSE: To evaluate changes in cardiorespiratory fitness, body composition, blood lipids, blood glucose, and CRP from 150 minutes of free living weekly exercise compared to pedometer measured 3000 steps in 30 minutes, five days per week. …
Perceptions Of Maternal Stress And Neonatal Patient Outcomes In A Single Private Room Versus Open Room Neonatal Intensive Care Unit Environment., Lisa M. Smithgall
Perceptions Of Maternal Stress And Neonatal Patient Outcomes In A Single Private Room Versus Open Room Neonatal Intensive Care Unit Environment., Lisa M. Smithgall
Electronic Theses and Dissertations
Limited clinical evidence exists regarding whether the single private room Neonatal Intensive Care Unit (NICU) environment of care delivery has a positive, negative, or neutral impact on health outcomes for the high risk neonate and on maternal stress as compared to the open room design. The study purpose was to examine whether a difference exists in health outcomes in the open room versus single private room NICU environment. The factors considered were weight gain, ventilator days, hospital length of stay, incidence and grade of intraventricular hemorrhage (IVH), the number of parental visits, and perceptions of maternal stress. Infants hospitalized in …
The Effect Of Sternocleidomastoid Muscle Activation Pattern And Feedback Condition On The Vestibular Evoked Myogenic Potential., Mary Jo Davenport
The Effect Of Sternocleidomastoid Muscle Activation Pattern And Feedback Condition On The Vestibular Evoked Myogenic Potential., Mary Jo Davenport
Electronic Theses and Dissertations
The vestibular evoked myogenic potential (VEMP) has been shown to be clinically useful in providing diagnostic information regarding the function of the otolith receptors, inferior vestibular nerve, and vestibulospinal pathways. The VEMP is a biphasic response elicited by loud clicks or tone bursts and recorded from the tonically contracted sternocleidomastoid (SCM) muscle. Because the VEMP is an inhibitory response, it is important to investigate stimulus and parameter characteristics in order to determine the optimal test protocol and maximize clinical usefulness. The aims of this study were 1) to evaluate the effects of 4 different methods of SCM muscle activation and …
Mathematical Modeling, Simulation, And Time Series Analysis Of Seasonal Epidemics., Eric Shu Numfor
Mathematical Modeling, Simulation, And Time Series Analysis Of Seasonal Epidemics., Eric Shu Numfor
Electronic Theses and Dissertations
Seasonal and non-seasonal Susceptible-Exposed-Infective-Recovered-Susceptible (SEIRS) models are formulated and analyzed. It is proved that the disease-free steady state of the non-seasonal model is locally asymptotically stable if Rv < 1, and disease invades if Rv > 1. For the seasonal SEIRS model, it is shown that the disease-free periodic solution is locally asymptotically stable when R̅v < 1, and I(t) is persistent with sustained oscillations when R̅v > 1. Numerical simulations indicate that the orbit representing I(t) decays when R̅v < 1 < Rv. The seasonal SEIRS model with routine and pulse vaccination is simulated, and results depict an unsustained decrease …
Today - December 17, 2010, Loma Linda University
Today - December 17, 2010, Loma Linda University
TODAY
Inside this issue:
-- Camp Good Grief offers bereaved kids and teens a chance to heal
-- Study takes ischemic pre-conditioning to new heights
-- Nutrition students granted Nestlé Foundation research funds
-- The study of forensic bite marks
-- Public health alumna appointed to air pollution agency
-- Faculty from allied health and medicine honored as Harvard Macy Scholars
-- Medicine professor discusses AIDS with community group
-- 'Conversations with authors' continues with December program
-- School of Public Health partners with United Way
-- Loma Linda University opens Center for Dentistry and Orthodontics
-- Physical therapy students begin …
African American Adolescents At Risk: Their Stories Revealed Through Dance/Movement Therapy, Alicia Marie Williams
African American Adolescents At Risk: Their Stories Revealed Through Dance/Movement Therapy, Alicia Marie Williams
Creative Arts Therapies Theses
The purpose ofthis study was originally to support the voices of African American adolescents and the emergence of their stories through the use of mentors hip, dance/movement therapy, and the production of an artistic performance. But what I truly found was that through parallel processing this study turned into an artistic inquiry that helped me uncover more insight about my own story: a story ofloss, isolation, rejection, recovery, independence, support and acceptance, and confidence.
As a result of the artistic inquiry I was able to see the value of my knowledge from integrating my experiences. I developed confidence in my …
Racial Disparities In Healthcare: Challenges Faced By Hispanic Populations, Kaitlin Mcdowell
Racial Disparities In Healthcare: Challenges Faced By Hispanic Populations, Kaitlin Mcdowell
Honors Projects
No abstract provided.
H-Ns Binding And Repression Of The Ctx Promoter In Vibrio Cholerae, Emily A. Stonehouse, Robin R. Hulbert, Melinda B. Nye, Karen Skorupski, Ronald K. Taylor
H-Ns Binding And Repression Of The Ctx Promoter In Vibrio Cholerae, Emily A. Stonehouse, Robin R. Hulbert, Melinda B. Nye, Karen Skorupski, Ronald K. Taylor
Dartmouth Scholarship
Expression of the ctx and tcp genes, which encode cholera toxin and the toxin coregulated pilus, the Vibrio cholerae O1 virulence determinants having the largest contribution to cholera disease, is repressed by the nucleoid-associated protein H-NS and activated by the AraC-like transcriptional regulator ToxT. To elucidate the molecular mechanism by which H-NS controls transcription of the ctxAB operon, H-NS repression and binding were characterized by using a promoter truncation series, gel mobility shift assays, and DNase I footprinting. Promoter regions found to be important for H-NS repression correlated with in vitro binding. Four main H-NS binding regions are present at …
A Stakeholder Generated Conceptualization For Successful Return To Work Outcome Evaluation: A Concept Mapping Approach, Rhysa Leyshon
A Stakeholder Generated Conceptualization For Successful Return To Work Outcome Evaluation: A Concept Mapping Approach, Rhysa Leyshon
Electronic Thesis and Dissertation Repository
Measurement of return to work (RTW) lacks attention to outcomes of relevance to all stakeholders. The objective of this thesis was to define what constitutes a successful RTW outcome from a stakeholder perspective and determine how to best measure it. A concept mapping method was used to create a conceptualization of successful RTW outcome based on indicators of interest and importance to various stakeholders. RTW researchers were questioned and the literature was searched for measures that mapped to the conceptualization and concepts. Stakeholders, made up of RTW consumers and providers, generated 48 indicators of successful RTW which were subsequently grouped …
Psychiatric Comorbidity In Transformed Migraine: Presentation, Treatment, Impact And Outcome, Muhammad A. Abbas M.D, Haseeba Ismaiel, M.D, William B. Young M.D., Mary Hopkins, Stephen D. Silberstein, M.D
Psychiatric Comorbidity In Transformed Migraine: Presentation, Treatment, Impact And Outcome, Muhammad A. Abbas M.D, Haseeba Ismaiel, M.D, William B. Young M.D., Mary Hopkins, Stephen D. Silberstein, M.D
Jefferson Journal of Psychiatry
Transformed migraine is one of the subtypes of chronic daily headache (CDH), and is similar to chronic migraine, described in the new International Headache Society (IHS) classification 2004. The term CDH refers to the Headache disorders experienced 15 or more days a month and includes headaches associated with medication overuse. CDH can be divided into primary and secondary varieties. Primary CDH is not related to a structural or systemic illness. It includes diseases such as Transformed migraine (TM). Chronic tension-type headache (CTTH), new daily persistent headache (NDPH), and hemicrania continua (HC). Secondary CDH has an identifiable underlying cause, including post-traumatic …
Resident Teaching Expectations And Medical Student Feedback, Michael Ignatowski
Resident Teaching Expectations And Medical Student Feedback, Michael Ignatowski
Jefferson Journal of Psychiatry
Objective Much of resident teaching of medical students occurs in an informal manner, with bedside teaching a common focus. Hence, the ability to monitor such teaching is limited. Feedback about how students perceive the teaching is perhaps one way to more effectively monitor and influence resident teaching.
Ten Year Follow Up Of A Psychiatry Residency Program Merger, Alvi A. Azad, Julianne Flynn, Thomas Matthews, Kenneth Matthews, Joseph Chozinski
Ten Year Follow Up Of A Psychiatry Residency Program Merger, Alvi A. Azad, Julianne Flynn, Thomas Matthews, Kenneth Matthews, Joseph Chozinski
Jefferson Journal of Psychiatry
Objective: To report on the successful merger of a civilian and military psychiatry residency. Methods: The reasons for and the history of the merger between the University of Texas Health Science Center at San Antonio and Wilford Hall Air Force Medical Center psychiatry residencies is described. Results: After some false starts, a bottom-up approach was implemented by first merging seminars, then rotations. Conclusions: Combining two psychiatry residencies in order to capitalize on both their strengths can yield a product even greater than the sum of their two programs and the key to a lasting merger is to start with two …
The Mission Of A Lifetime, Kenneth P. Serbin
The Mission Of A Lifetime, Kenneth P. Serbin
At Risk for Huntington's Disease
No abstract provided.
Improvements In Cardiac Spect/Ct For The Purpose Of Tracking Transplanted Cells, Eric Sabondjian
Improvements In Cardiac Spect/Ct For The Purpose Of Tracking Transplanted Cells, Eric Sabondjian
Electronic Thesis and Dissertation Repository
Regenerative therapy via stem cell transplantation has received increased attention to help treat the myocardial injury associated with heart disease. Currently, the hybridisation of SPECT with X-ray CT is expanding the utility of SPECT. This thesis compared two SPECT/CT systems for attenuation correction using slow or fast-CT attenuation maps (mu-maps). We then developed a method to localize transplanted cells in relation to compromised blood flow in the myocardium following a myocardial infarction using SPECT/CT. Finally, a method to correct for image truncation was studied for a new SPECT/CT design that incorporated small field-of-view (FOV) detectors. Computer simulations compared gated-SPECT reconstructions …
Phd_Thesis - Tactical Modelation Of Volleyball Game (Modelação Da Performance No Jogo De Voleibol Estudo De Indicadores Preditivos Do Rendimento Desportivo Em Equipas De Alto Nível), Rui Marcelino
Rui Marcelino
The purpose of this study was to study elite men Volleyball game as a complex entity that is adaptable to situational contexts. In this sense, situational variables such as home advantage, quality of opposition, match status and match periods were examined as having a possible influence on sports performance. The first empirical study analyzed 65.949 game actions taken from 275 sets played in the 2005 Men World League and examined the odds of winning each one of the five sets of the match according to game location (home vs. away); results showed that the advantage for home teams (home advantage) …
2010 Newsmakers: Celebrating Our Own, Paul Mayne, Jason Winders
2010 Newsmakers: Celebrating Our Own, Paul Mayne, Jason Winders
Vivian C. McAlister
How will we remember 2010? Probably through these faces. This year, the Western News starts a new, if not wholly original, tradition. Our Newsmakers 2010 section celebrates the best of research, academia and volunteer spirit that we have to offer on this campus. We spotlight, in brief words and striking images, the accomplishments of some of our favourites from the last year. One of the most powerful women in Canada. A student with an eye for the greater good. And a man who would do anything, including posing with a zebra, for the United Way. A football coach. A ground-breaking …
Enhanced Detection Of Groundwater Contamination From A Leaking Waste Disposal Site By Microbial Community Profiles, Paula J. Mouser, Donna M. Rizzo, Gregory K. Druschel, Sergio E. Morales, Nancy Hayden, Patrick O'Grady, Lori Stevens
Enhanced Detection Of Groundwater Contamination From A Leaking Waste Disposal Site By Microbial Community Profiles, Paula J. Mouser, Donna M. Rizzo, Gregory K. Druschel, Sergio E. Morales, Nancy Hayden, Patrick O'Grady, Lori Stevens
College of Engineering and Mathematical Sciences Faculty Publications
Groundwater biogeochemistry is adversely impacted when municipal solid waste leachate, rich in nutrients and anthropogenic compounds, percolates into the subsurface from leaking landfills. Detecting leachate contamination using statistical techniques is challenging because well strategies or analytical techniques may be insufficient for detecting low levels of groundwater contamination. We sampled profiles of the microbial community from monitoring wells surrounding a leaking landfill using terminal restriction fragment length polymorphism (T-RFLP) targeting the 16S rRNA gene. Results show in situ monitoring of bacteria, archaea, and the family Geobacteraceae improves characterization of groundwater quality. Bacterial T-RFLP profiles showed shifts correlated to known gradients of …
The Effect Of Different Interfaces On Aerosol Delivery In Simulated Spontaneously Breathing Adult With Tracheostomy, Alaa Ahmed Bugis
The Effect Of Different Interfaces On Aerosol Delivery In Simulated Spontaneously Breathing Adult With Tracheostomy, Alaa Ahmed Bugis
Respiratory Therapy Theses
Background: The delivery of an aerosol via a tracheostomy tube has been previously described with both a tracheostomy collar and a T-piece, but not with a Wright mask, or aerosol mask. The primary purpose of this study was to quantify lung doses using different interfaces: tracheostomy collar, Wright mask, and aerosol mask. The secondary purposes were to compare albuterol delivery between an opened vs. a closed fenestration hole and also to determine the effect of inspiratory time:expiratory time (I:E) ratio on aerosol delivery.
Methods: A teaching mannequin (Medical Plastic Labs, Gatesville, TX) with a tracheostomy opening was used. Two of …
A Geographical Examination Of Social, Behavioral, And Demographic Determinants Association With Hepatitis C Viral Infection In The State Of Georgia, Terran A. Terrell
A Geographical Examination Of Social, Behavioral, And Demographic Determinants Association With Hepatitis C Viral Infection In The State Of Georgia, Terran A. Terrell
Public Health Theses
Background: Approximately 170 million persons are infected with the hepatitis C viral infection (HCV), globally. Of this number, 3.2 – 4 million persons in the U. S. are infected with HCV. Although previous research has indicated a decrease in the rates of Hepatitis C in the U.S. approximately 12,000 deaths occur annually from those who suffer from chronic liver disease, as a result of being chronic carriers of HCV. Being a recipient of blood transfusions prior to 1992, intravenous drug users (IDUs), or persons with multiple sex partners are associated with increased risk for HCV infection. IDUs constitute the largest …