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Articles 1 - 30 of 113
Full-Text Articles in Medicine and Health Sciences
Prevalence And Risk Factors Of Major Depressive Disorder In Hiv/Aids As Seen In Semi-Urban Entebbe District, Uganda, Eugene Kinyanda, Susan Hoskins, Juliet Nakku, Saira Nawaz, Vikram Patel
Prevalence And Risk Factors Of Major Depressive Disorder In Hiv/Aids As Seen In Semi-Urban Entebbe District, Uganda, Eugene Kinyanda, Susan Hoskins, Juliet Nakku, Saira Nawaz, Vikram Patel
Dartmouth Scholarship
Background:
Not much is known about the risk factors of major depressive disorder (MDD) in HIV/AIDS in the African socio-cultural context. Therefore a study was undertaken to examine the prevalence and risk factors of MDD in HIV/AIDS in semi-urban Uganda.
Methods:
A cross-sectional study was undertaken among 618 respondents attending two HIV clinics in Uganda.
Results:
Prevalence of MDD was 8.1%. Factors associated with MDD at univariate analysis only were female gender, family history of mental illness, negative coping style, alcohol dependency disorder, food insecurity and stress; not associated with MDD were social support, neurocognitive impairment, CD4 counts and BMI. …
Rice Consumption Contributes To Arsenic Exposure In Us Women, Diane Gilbert-Diamond, Kathryn L. Cottingham, Joann F. Gruber, Tracy Punshon, Vicki Sayarath, A. Jay Gandolfi, Emily R. Baker, Brian P. Jackson, Carol L. Folt, Margaret R. Karagas
Rice Consumption Contributes To Arsenic Exposure In Us Women, Diane Gilbert-Diamond, Kathryn L. Cottingham, Joann F. Gruber, Tracy Punshon, Vicki Sayarath, A. Jay Gandolfi, Emily R. Baker, Brian P. Jackson, Carol L. Folt, Margaret R. Karagas
Dartmouth Scholarship
Emerging data indicate that rice consumption may lead to potentially harmful arsenic exposure. However, few human data are available, and virtually none exist for vulnerable periods such as pregnancy. Here we document a positive association between rice consumption and urinary arsenic excretion, a biomarker of recent arsenic exposure, in 229 pregnant women. At a 6-mo prenatal visit, we collected a urine sample and 3-d dietary record for water, fish/seafood, and rice. We also tested women's home tap water for arsenic, which we combined with tap water consumption to estimate arsenic exposure through water. Women who reported rice intake (n …
Triterpenoid Modulation Of Il-17 And Nrf-2 Expression Ameliorates Neuroinflammation And Promotes Remyelination In Autoimmune Encephalomyelitis, Tej K. Pareek, Abdelmadjid Belkadi, Sashi Kesavapany, Anita Zaremba, Sook L. Loh, Lianhua Bai, Mark L. Cohen, Colin Meyer, Karen T. Liby, Robert H. Miller, Michael B. Sporn, John J. Letterio
Triterpenoid Modulation Of Il-17 And Nrf-2 Expression Ameliorates Neuroinflammation And Promotes Remyelination In Autoimmune Encephalomyelitis, Tej K. Pareek, Abdelmadjid Belkadi, Sashi Kesavapany, Anita Zaremba, Sook L. Loh, Lianhua Bai, Mark L. Cohen, Colin Meyer, Karen T. Liby, Robert H. Miller, Michael B. Sporn, John J. Letterio
Dartmouth Scholarship
Inflammatory cytokines and endogenous anti-oxidants are variables affecting disease progression in multiple sclerosis (MS). Here we demonstrate the dual capacity of triterpenoids to simultaneously repress production of IL-17 and other pro-inflammatory mediators while exerting neuroprotective effects directly through Nrf2-dependent induction of anti-oxidant genes. Derivatives of the natural triterpene oleanolic acid, namely CDDO-trifluoroethyl-amide (CDDO-TFEA), completely suppressed disease in a murine model of MS, experimental autoimmune encephalomyelitis (EAE), by inhibiting Th1 and Th17 mRNA and cytokine production. Encephalitogenic T cells recovered from treated mice were hypo-responsive to myelin antigen and failed to adoptively transfer the disease. Microarray analyses showed significant suppression of …
Wnt Signaling Exerts An Antiproliferative Effect On Adult Cardiac Progenitor Cells Through Igfbp3., Angelos Oikonomopoulos, Konstantina-Ioanna Sereti, Frank Conyers, Michael Bauer, Annette Liao, Jian Guan, Dylan Crapps, Jung-Kyu Han, Hanhua Dong, Ahmad F Bayomy, Gabriel C Fine, Karen Westerman, Travis L Biechele, Randall T Moon, Thomas Force, Ronglih Liao
Wnt Signaling Exerts An Antiproliferative Effect On Adult Cardiac Progenitor Cells Through Igfbp3., Angelos Oikonomopoulos, Konstantina-Ioanna Sereti, Frank Conyers, Michael Bauer, Annette Liao, Jian Guan, Dylan Crapps, Jung-Kyu Han, Hanhua Dong, Ahmad F Bayomy, Gabriel C Fine, Karen Westerman, Travis L Biechele, Randall T Moon, Thomas Force, Ronglih Liao
Center for Translational Medicine Faculty Papers
RATIONALE: Recent work in animal models and humans has demonstrated the presence of organ-specific progenitor cells required for the regenerative capacity of the adult heart. In response to tissue injury, progenitor cells differentiate into specialized cells, while their numbers are maintained through mechanisms of self-renewal. The molecular cues that dictate the self-renewal of adult progenitor cells in the heart, however, remain unclear.
OBJECTIVE: We investigate the role of canonical Wnt signaling on adult cardiac side population (CSP) cells under physiological and disease conditions.
METHODS AND RESULTS: CSP cells isolated from C57BL/6J mice were used to study the effects of canonical …
Effects Of Prenatal Food And Micronutrient Supplementation On Child Growth From Birth To 54 Months Of Age: A Randomized Trial In Bangladesh, Ashraful Islam Khan, Iqbal Kabir, Eva-Charlotte Ekström, Kajsa Åsling-Monemi, Dewan Shamsul Alam, Edward A. Frongillo Jr., Md Yunus, Shams Arifeen, Lars-Åke Persson
Effects Of Prenatal Food And Micronutrient Supplementation On Child Growth From Birth To 54 Months Of Age: A Randomized Trial In Bangladesh, Ashraful Islam Khan, Iqbal Kabir, Eva-Charlotte Ekström, Kajsa Åsling-Monemi, Dewan Shamsul Alam, Edward A. Frongillo Jr., Md Yunus, Shams Arifeen, Lars-Åke Persson
Faculty Publications
Background: There is a lack of information on the optimal timing of food supplementation to malnourished pregnant women and possible combined effects of food and multiple micronutrient supplementations (MMS) on their offspring's growth. We evaluated the effects of prenatal food and micronutrient interventions on postnatal child growth. The hypothesis was that prenatal MMS and early invitation to food supplementation would increase physical growth in the offspring during 0-54 months and a combination of these interventions would further improve these outcomes.
Methods: In the large, randomized MINIMat trial (Maternal and Infant Nutrition Interventions in Matlab), Bangladesh, 4436 pregnant women were enrolled …
Maternal Separation Affects Dopamine Transporter Function In The Spontaneously Hypertensive Rat: An In Vivo Electrochemical Study, Jacqueline S. Womersley, Jennifer H. Hsieh, Lauriston A. Kellaway, Greg A. Gerhardt, Vivienne A. Russell
Maternal Separation Affects Dopamine Transporter Function In The Spontaneously Hypertensive Rat: An In Vivo Electrochemical Study, Jacqueline S. Womersley, Jennifer H. Hsieh, Lauriston A. Kellaway, Greg A. Gerhardt, Vivienne A. Russell
Neuroscience Faculty Publications
BACKGROUND: Attention-deficit/hyperactivity disorder (ADHD) is a developmental disorder characterised by symptoms of inattention, impulsivity and hyperactivity. The spontaneously hypertensive rat (SHR) is a well-characterised model of this disorder and has been shown to exhibit dopamine dysregulation, one of the hypothesised causes of ADHD. Since stress experienced in the early stages of life can have long-lasting effects on behaviour, it was considered that early life stress may alter development of the dopaminergic system and thereby contribute to the behavioural characteristics of SHR. It was hypothesized that maternal separation would alter dopamine regulation by the transporter (DAT) in ways that distinguish SHR …
Factors Affecting Growth In Infants With Single Ventricle Physiology: A Report From The Pediatric Heart Network Infant Single Ventricle Trial., Richard V. Williams, Victor Zak, Chitra Ravishankar, Karen Altmann, Jeffrey Anderson, Andrew M. Atz, Carolyn Dunbar-Masterson, Nancy Ghanayem, Linda Lambert, Karen Lurito, Barbara Medoff-Cooper, Renee Margossian, Victoria L. Pemberton, Jennifer Russell, Mario Stylianou, Daphne Hsu, Pediatric Heart Network Investigators, Girish S. Shirali
Factors Affecting Growth In Infants With Single Ventricle Physiology: A Report From The Pediatric Heart Network Infant Single Ventricle Trial., Richard V. Williams, Victor Zak, Chitra Ravishankar, Karen Altmann, Jeffrey Anderson, Andrew M. Atz, Carolyn Dunbar-Masterson, Nancy Ghanayem, Linda Lambert, Karen Lurito, Barbara Medoff-Cooper, Renee Margossian, Victoria L. Pemberton, Jennifer Russell, Mario Stylianou, Daphne Hsu, Pediatric Heart Network Investigators, Girish S. Shirali
Manuscripts, Articles, Book Chapters and Other Papers
OBJECTIVES: To describe growth patterns in infants with single ventricle physiology and determine factors influencing growth.
STUDY DESIGN: Data from 230 subjects enrolled in the Pediatric Heart Network Infant Single Ventricle Enalapril Trial were used to assess factors influencing change in weight-for-age z-score (z) from study enrollment (0.7 ± 0.4 months) to pre-superior cavopulmonary connection (SCPC; 5.1 ± 1.8 months, period 1) and pre-SCPC to final study visit (14.1 ± 0.9 months, period 2). Predictor variables included patient characteristics, feeding regimen, clinical center, and medical factors during neonatal (period 1) and SCPC hospitalizations (period 2). Univariate regression analysis was performed, …
Relationship Between Vancomycin Trough Concentrations And Nephrotoxicity: A Prospective Multicenter Trial, John A. Bosso, Jean Nappi, Celeste Rudisill, Marlea Wellein, P Brandon Bookstaver, Jenna Swindler, Patrick D. Mauldin
Relationship Between Vancomycin Trough Concentrations And Nephrotoxicity: A Prospective Multicenter Trial, John A. Bosso, Jean Nappi, Celeste Rudisill, Marlea Wellein, P Brandon Bookstaver, Jenna Swindler, Patrick D. Mauldin
Faculty Publications
Several single-center studies have suggested that higher doses of vancomycin, aimed at producing trough concentrations of >15 mg/liter, are associated with increased risk of nephrotoxicity. We prospectively assessed the relative incidence of nephrotoxicity in relation to trough concentration in patients with documented methicillin-resistant Staphylococcus aureus (MRSA) infections at seven hospitals throughout South Carolina. Adult patients receiving vancomycin for at least 72 h with at least one vancomycin trough concentration determined under steady-state conditions were prospectively studied. The relationship between vancomycin trough concentrations of >15 mg/ml and the occurrence of nephrotoxicity was assessed using univariate and multivariate analyses, controlling for age, …
Autoimmune Enteropathy With A Cd8+ Cd7- T-Cell Small Bowel Intraepithelial Lymphocytosis: Case Report And Literature Review, Shrinivas Bishu, Violeta Arsenescu, Eun Y. Lee, H. David Vargas, Willem J. S. De Villiers, Razvan Arsenescu
Autoimmune Enteropathy With A Cd8+ Cd7- T-Cell Small Bowel Intraepithelial Lymphocytosis: Case Report And Literature Review, Shrinivas Bishu, Violeta Arsenescu, Eun Y. Lee, H. David Vargas, Willem J. S. De Villiers, Razvan Arsenescu
Surgery Faculty Publications
Background
Adult onset autoimmune enteropathy (AIE) is a rare condition characterized by diarrhea refractory to dietary therapy diagnosed in patients with evidence of autoimmune conditions. Auto-antibodies to gut epithelial cells and other tissues are commonly demonstrated. Despite increasing awareness, the pathogenesis, histologic, immunologic and clinical features of AIE remain uncertain. There remains controversy regarding the diagnostic criteria, the frequency and types of auto-antibodies and associated autoimmune conditions, and the extent and types of histologic and immunologic abnormalities. CD4+ T-cells are thought to at least responsible for this condition; whether other cell types, including B- and other T-cell subsets are involved, …
A Brief Overview Of Adolescent Developmental Problems In Hong Kong, Daniel T. L. Shek, Hing Keung Ma, Rachel C. F. Sun
A Brief Overview Of Adolescent Developmental Problems In Hong Kong, Daniel T. L. Shek, Hing Keung Ma, Rachel C. F. Sun
Pediatrics Faculty Publications
Several adolescent developmental problems in Hong Kong are briefly reviewed in this paper. First, rising adolescent substance abuse trends are described. Second, Internet use problems and Internet addiction among young people are examined. Third, worrying trends in adolescent sexuality are identified. Fourth, phenomena on bullying among young people are reviewed. Finally, phenomena related to adolescent materialistic orientation are focused upon. With reference to these adolescent developmental problems, possible solutions are briefly discussed particularly with reference to the ecological perspective. It is argued that the related scientific literature provides useful pointers for designing the curriculum in the extension phase of the …
Percutaneous Implantation Of The Edwards Sapien Transcatheter Heart Valve For Conduit Failure In The Pulmonary Position: Early Phase 1 Results From An International Multicenter Clinical Trial., Damien Kenny, Ziyad M. Hijazi, Saibal Kar, John Rhodes, Michael Mullen, Raj Makkar, Girish S. Shirali, Mark Fogel, John Fahey, Mary G. Heitschmidt, Christopher Cain
Percutaneous Implantation Of The Edwards Sapien Transcatheter Heart Valve For Conduit Failure In The Pulmonary Position: Early Phase 1 Results From An International Multicenter Clinical Trial., Damien Kenny, Ziyad M. Hijazi, Saibal Kar, John Rhodes, Michael Mullen, Raj Makkar, Girish S. Shirali, Mark Fogel, John Fahey, Mary G. Heitschmidt, Christopher Cain
Manuscripts, Articles, Book Chapters and Other Papers
OBJECTIVES: The purpose of this study was to evaluate the safety and effectiveness of the Edwards SAPIEN transcatheter heart valve (Edwards Lifesciences LLC, Irvine, California) in the pulmonary position in patients with moderate to severe pulmonary regurgitation with or without stenosis.
BACKGROUND: Transcatheter pulmonary valve replacement is evolving, but to date, experience has been limited to the Melody valve (Medtronic Inc., Minneapolis, Minnesota).
METHODS: Eligible patients with dysfunctional right ventricle-to-pulmonary artery conduits were screened if body weight was ≥35 kg and the in situ conduit diameter was ≥16 mm and ≤24 mm. Standardized implantation and follow-up protocols were used.
RESULTS: …
An Automated Internet Application To Help Patients With Bipolar Disorder Track Social Rhythm Stabilization., Daniel Z Lieberman, Susan Swayze, Frederick K Goodwin
An Automated Internet Application To Help Patients With Bipolar Disorder Track Social Rhythm Stabilization., Daniel Z Lieberman, Susan Swayze, Frederick K Goodwin
Psychiatry and Behavioral Sciences Faculty Publications
This column describes a pilot study of a fully automated, Internet-based program that provides a key element of interpersonal and social rhythm therapy, a form of psychotherapy shown to be effective in the treatment of bipolar disorder when combined with mood-stabilizing medication. Participants (N=64) recorded the time they completed activities of daily living and their mood at the time of each entry. After 90 days they demonstrated a 31% increase in social rhythm stability and a small, though statistically significant, decrease in symptoms of abnormal mood. Internet-based programs can enhance access to a best practice in the management of bipolar …
Saddle Pulmonary Embolism: Is It As Bad As It Looks? A Community Hospital Experience., Alejandro Sardi, Jill Gluskin, Adam Guttentag, Morris N Kotler, Leonard E Braitman, Michael Lippmann
Saddle Pulmonary Embolism: Is It As Bad As It Looks? A Community Hospital Experience., Alejandro Sardi, Jill Gluskin, Adam Guttentag, Morris N Kotler, Leonard E Braitman, Michael Lippmann
Division of Pulmonary and Critical Care Medicine Faculty Papers
BACKGROUND: Saddle pulmonary embolism represents a large clot and a risk for sudden hemodynamic collapse. However, the clinical presentation and outcomes vary widely. On the basis of the findings of right heart dysfunction on echocardiograms, computed tomography angiography, or cardiac enzyme elevation, some argue for the use of thrombolytics or catheter thrombectomy even for hemodynamically stable patients.
OBJECTIVE: To investigate the outcomes and management of patients with saddle pulmonary embolism, including radiographic appearance (estimate of clot burden) and echocardiographic features.
INTERVENTIONS: None.
MEASUREMENTS AND MAIN RESULTS: This study is a retrospective evaluation of all patients with computed tomography angiography positive …
Culture Medium, Gas Atmosphere And Mapk Inhibition Affect Regulation Of Rna-Binding Protein Targets During Mouse Preimplantation Development., Michele D Calder, Patricia H Watson, Andrew J Watson
Culture Medium, Gas Atmosphere And Mapk Inhibition Affect Regulation Of Rna-Binding Protein Targets During Mouse Preimplantation Development., Michele D Calder, Patricia H Watson, Andrew J Watson
Obstetrics & Gynaecology Publications
During oogenesis, mammalian oocytes accumulate maternal mRNAs that support the embryo until embryonic genome activation. RNA-binding proteins (RBP) may regulate the stability and turnover of maternal and embryonic mRNAs. We hypothesised that varying embryo culture conditions, such as culture medium, oxygen tension and MAPK inhibition, affects regulation of RBPs and their targets during preimplantation development. STAU1, ELAVL1, KHSRP and ZFP36 proteins and mRNAs were detected throughout mouse preimplantation development, whereas Elavl2 mRNA decreased after the two-cell stage. Potential target mRNAs of RBP regulation, Gclc, Slc2a1 and Slc7a1 were detected during mouse preimplantation development. Gclc mRNA was significantly elevated in embryos …
Non-Geometric Echocardiographic Indices Of Ventricular Function In Patients With A Fontan Circulation., Jonathan Rhodes, Renee Margossian, Lynn A. Sleeper, Piers Barker, Timothy J. Bradley, Minmin Lu, Mark Fogel, Matthew A. Harris, Wyman W. Lai, Andrew J. Powell, Michael D. Puchalski, Girish S. Shirali, Steven D. Colan, Pediatric Heart Network Investigators
Non-Geometric Echocardiographic Indices Of Ventricular Function In Patients With A Fontan Circulation., Jonathan Rhodes, Renee Margossian, Lynn A. Sleeper, Piers Barker, Timothy J. Bradley, Minmin Lu, Mark Fogel, Matthew A. Harris, Wyman W. Lai, Andrew J. Powell, Michael D. Puchalski, Girish S. Shirali, Steven D. Colan, Pediatric Heart Network Investigators
Manuscripts, Articles, Book Chapters and Other Papers
BACKGROUND: Complex anatomy and limited windows complicate echocardiographic assessments of ventricular function in Fontan patients. For the Pediatric Heart Network Fontan Cross-Sectional Study, data were acquired from which mean ventricular pressure change during isovolumetric contraction (dP/dt(ic)), Tei index, and maximal systolic annular velocity (S') could be measured. The purpose of this study was to compare these nongeometric indices of ventricular function to cardiac magnetic resonance (CMR) measurements of ventricular ejection fraction (EF).
METHODS: Echocardiographic and CMR studies were performed prospectively using standardized protocols; measurements were completed by core laboratories. Data from both modalities were available from 137 patients.
RESULTS: A …
Childhood Obesity And Blood Pressure: Back To The Future?, Bonita Falkner, Samuel Gidding
Childhood Obesity And Blood Pressure: Back To The Future?, Bonita Falkner, Samuel Gidding
Department of Pediatrics Faculty Papers
The prevalence of childhood hypertension is increasing.1, 2 Studies that apply the 95th percentile definition and repeat measurements on three separate visits, report a pediatric hypertension prevalence of approximately 3.5%3, 4, and among obese children and adolescents the prevalence of both hypertension and prehypertension is even greater. The recently documented increase in hypertension among the young is due largely to the childhood obesity epidemic and possibly other secular changes in lifestyles. These publications and others confirm that hypertension is a prevalent child health condition, especially among overweight and obese children. A consistent positive association between body …
Margaret Mitchell's Lost Letter To A Kansas Horse Buggy Doctor., Jane F. Knapp, Robert Schremmer
Margaret Mitchell's Lost Letter To A Kansas Horse Buggy Doctor., Jane F. Knapp, Robert Schremmer
Manuscripts, Articles, Book Chapters and Other Papers
No abstract provided.
Functional Recovery Of Untreated Human Immunodeficiency Virus-Associated Guillain-Barré Syndrome: A Case Report, Adam L. Schreiber, John W. Norbury Iii, Eduardo A. De Sousa
Functional Recovery Of Untreated Human Immunodeficiency Virus-Associated Guillain-Barré Syndrome: A Case Report, Adam L. Schreiber, John W. Norbury Iii, Eduardo A. De Sousa
Department of Rehabilitation Medicine Faculty Papers
HIV-associated Guillain-Barré Syndrome is a well-documented phenomenon, typically occurring at seroconversion. GBS may result in functional impairment treated with a combination of medications, plasmapheresis, and rehabilitation. The quantified functional recovery of HIV-associated GBS with or without HIV treatment is not well-described. Utilizing serial FIM scoring, we describe a patient’s recovery from HIV-associated GBS after treatment with IVIg and acute inpatient rehabilitation without HIV treatment.
Postenucleation Adjuvant Chemotherapy With Vincristine, Etoposide, And Carboplatin For The Treatment Of High-Risk Retinoblastoma., Swathi Kaliki, Carol L Shields, Sanket U Shah, Ralph C Eagle, Jerry A Shields, Ann Leahey
Postenucleation Adjuvant Chemotherapy With Vincristine, Etoposide, And Carboplatin For The Treatment Of High-Risk Retinoblastoma., Swathi Kaliki, Carol L Shields, Sanket U Shah, Ralph C Eagle, Jerry A Shields, Ann Leahey
Wills Eye Hospital Papers
BACKGROUND: Analysis of 52 eyes with high-risk retinoblastoma managed with postenucleation adjuvant chemotherapy using vincristine sulfate, etoposide phosphate, and carboplatin showed no evidence of systemic metastasis in any case during a mean (range) follow-up of 66 (12-202) months.
PURPOSE: To determine the efficacy of postenucleation adjuvant chemotherapy with vincristine, etoposide, and carboplatin in the prevention of metastasis for patients with high-risk retinoblastoma.
METHODS: Retrospective, nonrandomized, interventional case series of 52 eyes in 51 patients with high-risk retinoblastoma consisting of tumor invasion into the anterior segment, posterior uvea 3 mm or greater, postlaminar optic nerve, or any combination of posterior uvea …
Characterization Of Street Food Consumption In Palermo: Possible Effects On Health, Silvio Buscemi, Annamaria Barile, Vincenza Maniaci, John A. Batsis
Characterization Of Street Food Consumption In Palermo: Possible Effects On Health, Silvio Buscemi, Annamaria Barile, Vincenza Maniaci, John A. Batsis
Dartmouth Scholarship
Background: Street Food (SF) consists of out-of-home food consumption and has old, historical roots with complex social-economic and cultural implications. Despite the emergence of modern fast food, traditional SF persists worldwide, but the relationship of SF consumption with overall health, well-being, and obesity is unknown.
Methods: This is an observational, cross-sectional study. The study was performed in Palermo, the largest town of Sicily, Italy. Two groups were identified: consumers of SF (n = 687) and conventional restaurant food (RES) consumers (n = 315). Study subjects answered a questionnaire concerning their health conditions, nutritional preferences, frequency of consumption of SF and …
A 2-Step Approach To Myeloablative Haploidentical Stem Cell Transplantation: A Phase 1/2 Trial Performed With Optimized T-Cell Dosing., Dolores Gross, Matthew Carabasi, Joanne Filicko-O'Hara, Margaret Kasner, John L Wagner, Beth Colombe, Patricia Cornett Farley, William O'Hara, Phyllis Flomenberg, Maria Werner-Wasik, Janet Brunner, Bijoyesh Mookerjee, Terry Hyslop, Mark Weiss, Neal Flomenberg
A 2-Step Approach To Myeloablative Haploidentical Stem Cell Transplantation: A Phase 1/2 Trial Performed With Optimized T-Cell Dosing., Dolores Gross, Matthew Carabasi, Joanne Filicko-O'Hara, Margaret Kasner, John L Wagner, Beth Colombe, Patricia Cornett Farley, William O'Hara, Phyllis Flomenberg, Maria Werner-Wasik, Janet Brunner, Bijoyesh Mookerjee, Terry Hyslop, Mark Weiss, Neal Flomenberg
Department of Medical Oncology Faculty Papers
Studies of haploidentical hematopoietic stem cell transplantation (HSCT) have identified threshold doses of T cells below which severe GVHD is usually absent. However, little is known regarding optimal T-cell dosing as it relates to engraftment, immune reconstitution, and relapse. To begin to address this question, we developed a 2-step myeloablative approach to haploidentical HSCT in which 27 patients conditioned with total body irradiation (TBI) were given a fixed dose of donor T cells (HSCT step 1), followed by cyclophosphamide (CY) for T-cell tolerization. A CD34-selected HSC product (HSCT step 2) was infused after CY. A dose of 2 × 10(8)/kg …
Elevated Stearoyl-Coa Desaturase In Brains Of Patients With Alzheimer's Disease, Giuseppe Astarita, Kwang-Mook Jung, Vitaly Vasilevko, Nicholas V. Dipatrizio, Sarah K. Martin, David H. Cribbs, Elizabeth Head, Carl W. Cotman, Daniele Piomelli
Elevated Stearoyl-Coa Desaturase In Brains Of Patients With Alzheimer's Disease, Giuseppe Astarita, Kwang-Mook Jung, Vitaly Vasilevko, Nicholas V. Dipatrizio, Sarah K. Martin, David H. Cribbs, Elizabeth Head, Carl W. Cotman, Daniele Piomelli
Sanders-Brown Center on Aging Faculty Publications
The molecular bases of Alzheimer's disease (AD) remain unclear. We used a lipidomic approach to identify lipid abnormalities in the brains of subjects with AD (N = 37) compared to age-matched controls (N = 17). The analyses revealed statistically detectable elevations in levels of non-esterified monounsaturated fatty acids (MUFAs) and mead acid (20:3n-9) in mid-frontal cortex, temporal cortex and hippocampus of AD patients. Further studies showed that brain mRNAs encoding for isoforms of the rate-limiting enzyme in MUFAs biosynthesis, stearoyl-CoA desaturase (SCD-1, SCD-5a and SCD-5b), were elevated in subjects with AD. The monounsaturated/saturated fatty acid ratio ('desaturation index')--displayed a strong …
Cardiovascular Magnetic Resonance Myocardial Feature Tracking Detects Quantitative Wall Motion During Dobutamine Stress., Andreas Schuster, Shelby Kutty, Asif Padiyath, Victoria Parish, Paul Gribben, David A. Danford, Marcus R. Makowski, Boris Bigalke, Philipp Beerbaum, Eike Nagel
Cardiovascular Magnetic Resonance Myocardial Feature Tracking Detects Quantitative Wall Motion During Dobutamine Stress., Andreas Schuster, Shelby Kutty, Asif Padiyath, Victoria Parish, Paul Gribben, David A. Danford, Marcus R. Makowski, Boris Bigalke, Philipp Beerbaum, Eike Nagel
Journal Articles: Pediatrics
BACKGROUND: Dobutamine stress cardiovascular magnetic resonance (DS-CMR) is an established tool to assess hibernating myocardium and ischemia. Analysis is typically based on visual assessment with considerable operator dependency. CMR myocardial feature tracking (CMR-FT) is a recently introduced technique for tissue voxel motion tracking on standard steady-state free precession (SSFP) images to derive circumferential and radial myocardial mechanics.We sought to determine the feasibility and reproducibility of CMR-FT for quantitative wall motion assessment during intermediate dose DS-CMR.
METHODS: 10 healthy subjects were studied at 1.5 Tesla. Myocardial strain parameters were derived from SSFP cine images using dedicated CMR-FT software (Diogenes MRI prototype; …
Duration Of Symptoms Resulting From Lumbar Disc Herniation: Effect On Treatment Outcomes: Analysis Of The Spine Patient Outcomes Research Trial (Sport)., Jeffrey A Rihn, Alan S Hilibrand, Kristen Radcliff, Mark Kurd, Jon Lurie, Emily Blood, Todd J Albert, James N Weinstein
Duration Of Symptoms Resulting From Lumbar Disc Herniation: Effect On Treatment Outcomes: Analysis Of The Spine Patient Outcomes Research Trial (Sport)., Jeffrey A Rihn, Alan S Hilibrand, Kristen Radcliff, Mark Kurd, Jon Lurie, Emily Blood, Todd J Albert, James N Weinstein
Department of Orthopaedic Surgery Faculty Papers
BACKGROUND: The purpose of the present study was to determine if the duration of symptoms affects outcomes following the treatment of intervertebral lumbar disc herniation.
METHODS: An as-treated analysis was performed on patients enrolled in the Spine Patient Outcomes Research Trial (SPORT) for the treatment of intervertebral lumbar disc herniation. Randomized and observational cohorts were combined. A comparison was made between patients who had had symptoms for six months or less (n = 927) and those who had had symptoms for more than six months (n = 265). Primary and secondary outcomes were measured at baseline and at regular follow-up …
Duration Of Symptoms Resulting From Lumbar Disc Herniation: Effect On Treatment Outcomes: Analysis Of The Spine Patient Outcomes Research Trial (Sport)., Jeffrey A Rihn, Alan Hilibrand, Kristen Radcliff, Mark Kurd, Jon Lurie, Emily Blood, Todd J Albert, James N Weinstein
Duration Of Symptoms Resulting From Lumbar Disc Herniation: Effect On Treatment Outcomes: Analysis Of The Spine Patient Outcomes Research Trial (Sport)., Jeffrey A Rihn, Alan Hilibrand, Kristen Radcliff, Mark Kurd, Jon Lurie, Emily Blood, Todd J Albert, James N Weinstein
Rothman Institute Faculty Papers
BACKGROUND: The purpose of the present study was to determine if the duration of symptoms affects outcomes following the treatment of intervertebral lumbar disc herniation.
METHODS: An as-treated analysis was performed on patients enrolled in the Spine Patient Outcomes Research Trial (SPORT) for the treatment of intervertebral lumbar disc herniation. Randomized and observational cohorts were combined. A comparison was made between patients who had had symptoms for six months or less (n = 927) and those who had had symptoms for more than six months (n = 265). Primary and secondary outcomes were measured at baseline and at regular follow-up …
Pre- And Post-Bronchodilator Lung Function As Predictors Of Mortality In The Lung Health Study, David M. Mannino, Enrique Diaz-Guzman, Sonia Buist
Pre- And Post-Bronchodilator Lung Function As Predictors Of Mortality In The Lung Health Study, David M. Mannino, Enrique Diaz-Guzman, Sonia Buist
Preventive Medicine and Environmental Health Faculty Publications
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is supposed to be classified on the basis of post-bronchodilator lung function. Most longitudinal studies of COPD, though, do not have post-bronchodilator lung function available. We used pre-and post bronchodilator lung function data from the Lung Health Study to determine whether these measures differ in their ability to predict mortality.
METHODS: We limited our analysis to subjects who were of black or white race, on whom we had complete data, and who participated at either the 1 year or the 5 year follow-up visit. We classified subjects based on their baseline lung function, according …
Burden Of Traumatic Spine Fractures In Tehran, Iran., Maziar Moradi-Lakeh, Mohammad R Rasouli, Alexander Vaccaro, Soheil Saadat, Mohammad R Zarei, Vafa Rahimi-Movaghar
Burden Of Traumatic Spine Fractures In Tehran, Iran., Maziar Moradi-Lakeh, Mohammad R Rasouli, Alexander Vaccaro, Soheil Saadat, Mohammad R Zarei, Vafa Rahimi-Movaghar
Rothman Institute Faculty Papers
UNLABELLED: ABSTRACT:
BACKGROUND: The Disability-Adjusted Life Year (DALY) was designed by the World Health Organization (WHO) to measure, compare, and analyze the burden of various diseases. To the best of our knowledge, this is the first study on the assessment of burden of traumatic spinal fracture (TSF) in an Iranian community. We estimated burden of TSF includes both isolated (iTSF) and associated injuries related to traumatic spinal fractures (aTSF) in Tehran, the capital of Iran, for the year 2006-2007 using DALYs.
METHODS: Burden of TSF was estimated based on information provided by the national data on Iranian trauma, data from …
Human Glial-Restricted Progenitor Transplantation Into Cervical Spinal Cord Of The Sod1 Mouse Model Of Als., Angelo C Lepore, John O'Donnell, Andrew S Kim, Timothy Williams, Alicia Tuteja, Mahendra S Rao, Linda L Kelley, James T Campanelli, Nicholas J Maragakis
Human Glial-Restricted Progenitor Transplantation Into Cervical Spinal Cord Of The Sod1 Mouse Model Of Als., Angelo C Lepore, John O'Donnell, Andrew S Kim, Timothy Williams, Alicia Tuteja, Mahendra S Rao, Linda L Kelley, James T Campanelli, Nicholas J Maragakis
Department of Neuroscience Faculty Papers
Cellular abnormalities are not limited to motor neurons in amyotrophic lateral sclerosis (ALS). There are numerous observations of astrocyte dysfunction in both humans with ALS and in SOD1(G93A) rodents, a widely studied ALS model. The present study therapeutically targeted astrocyte replacement in this model via transplantation of human Glial-Restricted Progenitors (hGRPs), lineage-restricted progenitors derived from human fetal neural tissue. Our previous findings demonstrated that transplantation of rodent-derived GRPs into cervical spinal cord ventral gray matter (in order to target therapy to diaphragmatic function) resulted in therapeutic efficacy in the SOD1(G93A) rat. Those findings demonstrated the feasibility and efficacy of transplantation-based …
The Effect Of Intermittent Umbilical Cord Occlusion On Elastin Composition In The Ovine Fetus., Jennifer A Thompson, Sarah A Gimbel, Bryan S Richardson, Robert Gagnon, Timothy Regnault
The Effect Of Intermittent Umbilical Cord Occlusion On Elastin Composition In The Ovine Fetus., Jennifer A Thompson, Sarah A Gimbel, Bryan S Richardson, Robert Gagnon, Timothy Regnault
Paediatrics Publications
This study aimed to determine the effect of varying degrees of intermittent umbilical cord occlusion (UCO) on arterial elastin composition. Over 4 days, chronically catheterized late gestation fetal sheep received 5 total UCO per day lasting 1 min/h (mild group: n = 6), 2 min/h (moderate group: n = 4), 3 min/h (severe group; n = 6); or no occlusion (control group: n = 7). Each group was evaluated for elastin content of the carotid and superior mesenteric artery (SMA), the arterial pressure response to UCO, and plasma cortisol concentration. Elastin content of the carotid artery was significantly increased by …
Chronic Obstructive Pulmonary Disease: Quantification Of Bronchodilator Effects By Using Hyperpolarized ³He Mr Imaging, Miranda Kirby, Lindsay Mathew, Mohammadreza Heydarian, Roya Etemad-Rezai, David G Mccormack, Grace Parraga
Chronic Obstructive Pulmonary Disease: Quantification Of Bronchodilator Effects By Using Hyperpolarized ³He Mr Imaging, Miranda Kirby, Lindsay Mathew, Mohammadreza Heydarian, Roya Etemad-Rezai, David G Mccormack, Grace Parraga
Medical Biophysics Publications
PURPOSE: To evaluate short-acting bronchodilator effects in chronic obstructive pulmonary disease (COPD) by using hyperpolarized helium 3 (³He) magnetic resonance (MR) imaging, spirometry, and plethysmography.
MATERIALS AND METHODS: Fourteen ex-smokers with COPD provided written informed consent to a local ethics board-approved and Health Insurance and Portability Accountability Act-compliant protocol and underwent hyperpolarized ³He and hydrogen 1 MR imaging, spirometry, and plethysmography before and a mean of 25 minutes ± 2 (standard deviation) after administration of 400 μg salbutamol. Distribution of ³He gas was evaluated by using semiautomated segmentation of ³He voxel intensities, where cluster 1 represented regions of signal void …