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Articles 11551 - 11580 of 11816

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Endocarditis And Biofilm-Associated Pili Of Enterococcus Faecalis, Sreedhar R Nallapareddy, Kavindra V Singh, Jouko Sillanpää, Danielle A Garsin, Magnus Höök, Stanley L Erlandsen, Barbara E Murray Oct 2006

Endocarditis And Biofilm-Associated Pili Of Enterococcus Faecalis, Sreedhar R Nallapareddy, Kavindra V Singh, Jouko Sillanpää, Danielle A Garsin, Magnus Höök, Stanley L Erlandsen, Barbara E Murray

Faculty, Staff and Student Publications

Increasing multidrug resistance in Enterococcus faecalis, a nosocomial opportunist and common cause of bacterial endocarditis, emphasizes the need for alternative therapeutic approaches such as immunotherapy or immunoprophylaxis. In an earlier study, we demonstrated the presence of antibodies in E. faecalis endocarditis patient sera to recombinant forms of 9 E. faecalis cell wall-anchored proteins; of these, we have now characterized an in vivo-expressed locus of 3 genes and an associated sortase gene (encoding sortase C; SrtC). Here, using mutation analyses and complementation, we demonstrated that both the ebp (encoding endocarditis and biofilm-associated pili) operon and srtC are important for biofilm production …


Time To Renal Disease And End-Stage Renal Disease In Profile: A Multiethnic Lupus Cohort, Graciela S. Alarcón, Gerald Mcgwin, Michelle Petri, Rosalind Ramsey-Goldman, Barri J. Fessler, Luis M. Vilá, Jeffrey C. Edberg, John D. Reveille, Robert P. Kimberly Oct 2006

Time To Renal Disease And End-Stage Renal Disease In Profile: A Multiethnic Lupus Cohort, Graciela S. Alarcón, Gerald Mcgwin, Michelle Petri, Rosalind Ramsey-Goldman, Barri J. Fessler, Luis M. Vilá, Jeffrey C. Edberg, John D. Reveille, Robert P. Kimberly

Faculty, Staff and Student Publications

BACKGROUND: Renal involvement is a serious manifestation of systemic lupus erythematosus (SLE); it may portend a poor prognosis as it may lead to end-stage renal disease (ESRD). The purpose of this study was to determine the factors predicting the development of renal involvement and its progression to ESRD in a multi-ethnic SLE cohort (PROFILE).

METHODS AND FINDINGS: PROFILE includes SLE patients from five different United States institutions. We examined at baseline the socioeconomic-demographic, clinical, and genetic variables associated with the development of renal involvement and its progression to ESRD by univariable and multivariable Cox proportional hazards regression analyses. Analyses of …


Treatment Evolution In High-Risk Congenital Diaphragmatic Hernia: Ten Years' Experience With Diaphragmatic Agenesis, Kevin P Lally, Pamela A Lally, Krisa P Van Meurs, Desmond J Bohn, Carl F Davis, Bradley Rodgers, Jatinder Bhatia, Golde Dudell Oct 2006

Treatment Evolution In High-Risk Congenital Diaphragmatic Hernia: Ten Years' Experience With Diaphragmatic Agenesis, Kevin P Lally, Pamela A Lally, Krisa P Van Meurs, Desmond J Bohn, Carl F Davis, Bradley Rodgers, Jatinder Bhatia, Golde Dudell

Faculty, Staff and Student Publications

OBJECTIVE: The objective of this study was to evaluate the impact of newer therapies on the highest risk patients with congenital diaphragmatic hernia (CDH), those with agenesis of the diaphragm.

SUMMARY BACKGROUND DATA: CDH remains a significant cause of neonatal mortality. Many novel therapeutic interventions have been used in these infants. Those children with large defects or agenesis of the diaphragm have the highest mortality and morbidity.

METHODS: Twenty centers from 5 countries collected data prospectively on all liveborn infants with CDH over a 10-year period. The treatment and outcomes in these patients were examined. Patients were followed until death …


Paradoxical Facilitation Of Object Recognition Memory After Infusion Of Scopolamine Into Perirhinal Cortex: Implications For Cholinergic System Function., Boyer D Winters, Lisa M Saksida, Timothy J Bussey Sep 2006

Paradoxical Facilitation Of Object Recognition Memory After Infusion Of Scopolamine Into Perirhinal Cortex: Implications For Cholinergic System Function., Boyer D Winters, Lisa M Saksida, Timothy J Bussey

Brain and Mind Institute Researchers' Publications

The cholinergic system has long been implicated in learning and memory, yet its specific function remains unclear. In the present study, we investigated the role of cortical acetylcholine in a rodent model of declarative memory by infusing the cholinergic muscarinic receptor antagonist scopolamine into the rat perirhinal cortex during different stages (encoding, storage/consolidation, and retrieval) of the spontaneous object recognition task. Presample infusions of scopolamine significantly impaired object recognition compared with performance of the same group of rats on saline trials; this result is consistent with previous reports supporting a role for perirhinal acetylcholine in object information acquisition. Scopolamine infusions …


Platelet-Activating Factor Is Crucial In Psoralen And Ultraviolet A-Induced Immune Suppression, Inflammation, And Apoptosis, Peter Wolf, Dat X Nghiem, Jeffrey P Walterscheid, Scott Byrne, Yumi Matsumura, Yasuhiro Matsumura, Cora Bucana, Honnavara N Ananthaswamy, Stephen E Ullrich Sep 2006

Platelet-Activating Factor Is Crucial In Psoralen And Ultraviolet A-Induced Immune Suppression, Inflammation, And Apoptosis, Peter Wolf, Dat X Nghiem, Jeffrey P Walterscheid, Scott Byrne, Yumi Matsumura, Yasuhiro Matsumura, Cora Bucana, Honnavara N Ananthaswamy, Stephen E Ullrich

Faculty, Staff and Student Publications

Psoralen plus UVA (PUVA) is used as a very effective treatment modality for various diseases, including psoriasis and cutaneous T-cell lymphoma. PUVA-induced immune suppression and/or apoptosis are thought to be responsible for the therapeutic action. However, the molecular mechanisms by which PUVA acts are not well understood. We have previously identified platelet-activating factor (PAF), a potent phospholipid mediator, as a crucial substance triggering ultraviolet B radiation-induced immune suppression. In this study, we used PAF receptor knockout mice, a selective PAF receptor antagonist, a COX-2 inhibitor (presumably blocking downstream effects of PAF), and PAF-like molecules to test the role of PAF …


Cell-Cycle Regulatory Proteins In The Podocyte In Collapsing Glomerulopathy In Children., Tarak Srivastava, Robert E. Garola, H K. Singh Aug 2006

Cell-Cycle Regulatory Proteins In The Podocyte In Collapsing Glomerulopathy In Children., Tarak Srivastava, Robert E. Garola, H K. Singh

Manuscripts, Articles, Book Chapters and Other Papers

Podocyte is a terminally committed cell in G1 arrest of cell cycle, and is unable to overcome G1/S transition phase in children with minimal change disease (MCD) and classic focal segmental glomerulosclerosis (FSGS), in contrast to dysregulated proliferative phenotype of idiopathic collapsing glomerulopathy (CGN) in adults. Forty-two kidney biopsies, MCD (14), FSGS (12), CGN (4), and normal (CON) (12), were evaluated by immunohistochemistry using dual staining for expression of p27, p21, and p57, and cyclins D and A, in podocytes of children with CGN. On light microscopy, all podocytes expressed p27, whereas p21 and p57 expression was seen in a …


Arsenic Exposure Is Associated With Decreased Dna Repair In Vitro And In Individuals Exposed To Drinking Water Arsenic, Angeline S. Andrew, Jefferey L. Burgess, Maria M. Meza, Eugene Demidenko, Mary G. Waugh, Joshua W. Hamilton, Margaret R. Karagas Aug 2006

Arsenic Exposure Is Associated With Decreased Dna Repair In Vitro And In Individuals Exposed To Drinking Water Arsenic, Angeline S. Andrew, Jefferey L. Burgess, Maria M. Meza, Eugene Demidenko, Mary G. Waugh, Joshua W. Hamilton, Margaret R. Karagas

Dartmouth Scholarship

The mechanism(s) by which arsenic exposure contributes to human cancer risk is unknown; however, several indirect cocarcinogenesis mechanisms have been proposed. Many studies support the role of As in altering one or more DNA repair processes. In the present study we used individual-level exposure data and biologic samples to investigate the effects of As exposure on nucleotide excision repair in two study populations, focusing on the excision repair cross-complement 1 (ERCC1) component. We measured drinking water, urinary, or toenail As levels and obtained cryopreserved lymphocytes of a subset of individuals enrolled in epidemiologic studies in New Hampshire (USA) and Sonora …


Natriuretic Peptides And Nitric Oxide Stimulate Cgmp Synthesis In Different Cellular Compartments, Leslie A Piggott, Kathryn A Hassell, Zuzana Berkova, Andrew P Morris, Michael Silberbach, Thomas C Rich Jul 2006

Natriuretic Peptides And Nitric Oxide Stimulate Cgmp Synthesis In Different Cellular Compartments, Leslie A Piggott, Kathryn A Hassell, Zuzana Berkova, Andrew P Morris, Michael Silberbach, Thomas C Rich

Faculty, Staff and Student Publications

Cyclic nucleotide-gated (CNG) channels are a family of ion channels activated by the binding of cyclic nucleotides. Endogenous channels have been used to measure cyclic nucleotide signals in photoreceptor outer segments and olfactory cilia for decades. Here we have investigated the subcellular localization of cGMP signals by monitoring CNG channel activity in response to agonists that activate either particulate or soluble guanylyl cyclase. CNG channels were heterologously expressed in either human embryonic kidney (HEK)-293 cells that stably overexpress a particulate guanylyl cyclase (HEK-NPRA cells), or cultured vascular smooth muscle cells (VSMCs). Atrial natriuretic peptide (ANP) was used to activate the …


Dissociation Of Automatic And Strategic Lexical-Semantics: Functional Magnetic Resonance Imaging Evidence For Differing Roles Of Multiple Frontotemporal Regions, Brian T. Gold, David A. Balota, Sara J. Jones, David K. Powell, Charles D. Smith, Anders H. Andersen Jun 2006

Dissociation Of Automatic And Strategic Lexical-Semantics: Functional Magnetic Resonance Imaging Evidence For Differing Roles Of Multiple Frontotemporal Regions, Brian T. Gold, David A. Balota, Sara J. Jones, David K. Powell, Charles D. Smith, Anders H. Andersen

Neuroscience Faculty Publications

Behavioral research has demonstrated three major components of the lexical-semantic processing system: automatic activation of semantic representations, strategic retrieval of semantic representations, and inhibition of competitors. However, these component processes are inherently conflated in explicit lexical-semantic decision tasks typically used in functional magnetic resonance imaging (fMRI) research. Here, we combine the logic of behavioral priming studies and the neurophysiological phenomenon of fMRI priming to dissociate the neural bases of automatic and strategic lexical-semantic processes across a series of three studies. A single lexical decision task was used in all studies, with stimulus onset asynchrony or linguistic relationship between prime and …


Depression, Sensation Seeking, And Maternal Smoking As Predictors Of Adolescent Cigarette Smoking, Judy Van De Venne, Kay Bradford, Catherine A. Martin, Megan Cox, Hatim A. Omar Jun 2006

Depression, Sensation Seeking, And Maternal Smoking As Predictors Of Adolescent Cigarette Smoking, Judy Van De Venne, Kay Bradford, Catherine A. Martin, Megan Cox, Hatim A. Omar

Family Sciences Faculty Publications

The purpose of this study was to examine maternal and adolescent depression, maternal and teen sensation seeking, and maternal smoking, and their associations with adolescent smoking. Data were collected from a sample of 47 male and 66 female adolescents (ages 11-18 years) and their mothers from three different health clinics. The findings indicated that maternal sensation seeking was linked indirectly with adolescent smoking through teen sensation seeking, both of which were significantly associated with teen smoking (β = 0.29, p < 0.001 and β = 0.32, p < 0.001, respectively). Teen depression was associated positively with teen smoking (β = 0.24, p < 0.01) when controlling for sensation seeking behaviors. Maternal smoking was also directly linked to adolescent smoking (β = 0.20, p < 0.05). These findings underscore a potentially important role of sensation seeking in the origins of adolescent smoking, and clarify pathways of influence with regard to maternal attitudes and behaviors in subsequent teenage nicotine use.


A Pilot Study: Attention Deficit Hyperactivity Disorder, Sensation Seeking, And Pubertal Changes, Catherine A. Martin, Greg Guenthner, Christopher Bingcang, W. Jackson Smith, Thomas E. Curry, Hatim A. Omar, Mary Kay Rayens, Tom H. Kelly Jun 2006

A Pilot Study: Attention Deficit Hyperactivity Disorder, Sensation Seeking, And Pubertal Changes, Catherine A. Martin, Greg Guenthner, Christopher Bingcang, W. Jackson Smith, Thomas E. Curry, Hatim A. Omar, Mary Kay Rayens, Tom H. Kelly

Pediatrics Faculty Publications

This study was designed to examine the relationship of pubertal changes and sensation seeking (SS) in adolescents with Attention Deficit Hyperactivity Disorder (ADHD). Patients with current or past histories of uncomplicated stimulant medication use for ADHD between the ages of 11 and 15 (13 ± 1.5) were recruited from a Child Psychiatry and a General Pediatric Clinic. SS was measured using the SS Scale for Children. Pubertal development was measured using Tanner staging, free testosterone, and DHEAS. Subjects and their parent were interviewed with the Diagnostic Interview Schedule for Children (DISC). SS total score was correlated with Tanner stage, free …


Molecular Diagnosis Of Burkitt's Lymphoma., Sandeep S. Dave, Kai Fu, George W. Wright, Lloyd T. Lam, Philip Kluin, Evert-Jan Boerma, Timothy Greiner, Dennis D. Weisenburger, Andreas Rosenwald, German Ott, Hans-Konrad Müller-Hermelink, Randy D. Gascoyne, Jan Delabie, Lisa M. Rimsza, Rita M. Braziel, Thomas M. Grogan, Elias Campo, Elaine S. Jaffe, Bhavana J. Dave, Warren Sanger, M Bast, Julie M. Vose, James O. Armitage, Joseph M. Connors, Erlend B. Smeland, Stein Kvaloy, Harald Holte, Richard I. Fisher, Thomas P. Miller, Emilio Montserrat, Wyndham H. Wilson, Manisha Bahl, Hong Zhao, Liming Yang, John Powell, Richard Simon, Wing C. Chan, Louis M. Staudt Jun 2006

Molecular Diagnosis Of Burkitt's Lymphoma., Sandeep S. Dave, Kai Fu, George W. Wright, Lloyd T. Lam, Philip Kluin, Evert-Jan Boerma, Timothy Greiner, Dennis D. Weisenburger, Andreas Rosenwald, German Ott, Hans-Konrad Müller-Hermelink, Randy D. Gascoyne, Jan Delabie, Lisa M. Rimsza, Rita M. Braziel, Thomas M. Grogan, Elias Campo, Elaine S. Jaffe, Bhavana J. Dave, Warren Sanger, M Bast, Julie M. Vose, James O. Armitage, Joseph M. Connors, Erlend B. Smeland, Stein Kvaloy, Harald Holte, Richard I. Fisher, Thomas P. Miller, Emilio Montserrat, Wyndham H. Wilson, Manisha Bahl, Hong Zhao, Liming Yang, John Powell, Richard Simon, Wing C. Chan, Louis M. Staudt

Journal Articles: Pathology and Microbiology

BACKGROUND: The distinction between Burkitt's lymphoma and diffuse large-B-cell lymphoma is crucial because these two types of lymphoma require different treatments. We examined whether gene-expression profiling could reliably distinguish Burkitt's lymphoma from diffuse large-B-cell lymphoma.

METHODS: Tumor-biopsy specimens from 303 patients with aggressive lymphomas were profiled for gene expression and were also classified according to morphology, immunohistochemistry, and detection of the t(8;14) c-myc translocation.

RESULTS: A classifier based on gene expression correctly identified all 25 pathologically verified cases of classic Burkitt's lymphoma. Burkitt's lymphoma was readily distinguished from diffuse large-B-cell lymphoma by the high level of expression of c-myc target …


Representation Of Head-Centric Flow In The Human Motion Complex., Jeroen Goossens, Sean P Dukelow, Ravi S Menon, Tutis Vilis, Albert V Van Den Berg May 2006

Representation Of Head-Centric Flow In The Human Motion Complex., Jeroen Goossens, Sean P Dukelow, Ravi S Menon, Tutis Vilis, Albert V Van Den Berg

Brain and Mind Institute Researchers' Publications

Recent neuroimaging studies have identified putative homologs of macaque middle temporal area (area MT) and medial superior temporal area (area MST) in humans. Little is known about the integration of visual and nonvisual signals in human motion areas compared with monkeys. Through extra-retinal signals, the brain can factor out the components of visual flow on the retina that are induced by eye-in-head and head-in-space rotations and achieve a representation of flow relative to the head (head-centric flow) or body (body-centric flow). Here, we used functional magnetic resonance imaging to test whether extra-retinal eye-movement signals modulate responses to visual flow in …


Level I Fieldwork Today: A Study Of Contexts And Perceptions., Caryn Johnson, Kristie P. Koenig, Catherine Verrier Piersol, Susan E. Santalucia, Wendy Wachter-Schutz May 2006

Level I Fieldwork Today: A Study Of Contexts And Perceptions., Caryn Johnson, Kristie P. Koenig, Catherine Verrier Piersol, Susan E. Santalucia, Wendy Wachter-Schutz

Department of Occupational Therapy Faculty Papers

The last comprehensive examination of the Level I fieldwork experience was performed 15 years ago (Shalik, 1990) and addressed the different types of settings in which fieldwork occurred; amounts and types of supervision; structure and scheduling of the Level I experiences; and the effects of supervising Level I students on productivity. Although every occupational therapy and occupational therapy assistant student encounters a number of Level I fieldwork opportunities, little is available describing the process and contexts of the Level I fieldwork experience today. This study, which examines 1,002 student reports on Level I fieldwork experiences, finds that Level I fieldwork …


A Role For Cetp Taqib Polymorphism In Determining Susceptibility To Atrial Fibrillation: A Nested Case Control Study, Folkert W. Asselbergs, Jason H. Moore, Maarten P. Van Den Berg, Eric B. Rimm Apr 2006

A Role For Cetp Taqib Polymorphism In Determining Susceptibility To Atrial Fibrillation: A Nested Case Control Study, Folkert W. Asselbergs, Jason H. Moore, Maarten P. Van Den Berg, Eric B. Rimm

Dartmouth Scholarship

Studies investigating the genetic and environmental characteristics of atrial fibrillation (AF) may provide new insights in the complex development of AF. We aimed to investigate the association between several environmental factors and loci of candidate genes, which might be related to the presence of AF. A nested case-control study within the PREVEND cohort was conducted. Standard 12 lead electrocardiograms were recorded and AF was defined according to Minnesota codes. For every case, an age and gender matched control was selected from the same population (n = 194). In addition to logistic regression analyses, the multifactor-dimensionality reduction (MDR) method and interaction …


Prenatal Cocaine Exposure Alters Alpha2 Receptor Expression In Adolescent Rats, Rosemarie M. Booze, David R. Wallace, Janelle M. Silvers, Barbara J. Strupp, Diane M. Snow, Charles F. Mactutus Apr 2006

Prenatal Cocaine Exposure Alters Alpha2 Receptor Expression In Adolescent Rats, Rosemarie M. Booze, David R. Wallace, Janelle M. Silvers, Barbara J. Strupp, Diane M. Snow, Charles F. Mactutus

Neuroscience Faculty Publications

BACKGROUND: Prenatal cocaine exposure produces attentional deficits which to persist through early childhood. Given the role of norepinephrine (NE) in attentional processes, we examined the forebrain NE systems from prenatal cocaine exposed rats. Cocaine was administered during pregnancy via the clinically relevant intravenous route of administration. Specifically, we measured alpha2-adrenergic receptor (alpha2-AR) density in adolescent (35-days-old) rats, using [3H]RX821002 (5 nM).

RESULTS: Sex-specific alterations of alpha2-AR were found in the hippocampus and amygdala of the cocaine-exposed animals, as well as an upregulation of alpha2-AR in parietal cortex.

CONCLUSION: These data suggest that prenatal cocaine exposure results in a persistent alteration …


Spontaneous Intracranial Arterial Dissection In The Young: Diagnosis By Ct Angiography, William C. Robertson, Curtis A. Given Apr 2006

Spontaneous Intracranial Arterial Dissection In The Young: Diagnosis By Ct Angiography, William C. Robertson, Curtis A. Given

Neurology Faculty Publications

BACKGROUND: Spontaneous carotid artery dissections have been rarely reported in children. Diagnosis has traditionally been confirmed by catheter arteriography. More recently diagnosis has been made by magnetic resonance imaging and magnetic resonance angiography; however the sensitivity of these techniques has yet to be determined. The authors are unaware of reports of carotid dissection confirmed by dynamic computed tomography (computerized tomographic arteriography) in the young.

CASE PRESENTATION: We recently evaluated a fourteen year-old male following the development of transient neurologic symptoms. There was no antecedent illness or trauma. Dynamic computed tomography revealed an intracranial dissection involving the supraclinoid segment of the …


Influence Of Rapid Growth On Skeletal Adaptation To Exercise, Bonny Specker Apr 2006

Influence Of Rapid Growth On Skeletal Adaptation To Exercise, Bonny Specker

Ethel Austin Martin Program Publications

During rapid growth, increased body weight and muscle strength result in increased loads on bone. Bone adapts to these increased strains by increasing bone modeling and remodeling. As the growth rate decreases, bone that was formed as a result of these adaptations continues to mineralize and "catch up", and bone modeling and remodeling decreases. Bone benefits of exercise in childhood are reported in some studies, although we observed less BMC gain at trabecular-rich sites during the peri-pubertal period in children who jumped than those who did not. Data from 13 existing pediatric exercise studies were compiled to determine whether similar …


Na+/K+ -Atpase Regulates Tight Junction Formation And Function During Mouse Preimplantation Development., Michelle I Violette, Pavneesh Madan, Andrew J Watson Jan 2006

Na+/K+ -Atpase Regulates Tight Junction Formation And Function During Mouse Preimplantation Development., Michelle I Violette, Pavneesh Madan, Andrew J Watson

Obstetrics & Gynaecology Publications

Research applied to the early embryo is required to effectively treat human infertility and to understand the primary mechanisms controlling development to the blastocyst stage. The present study investigated whether the Na(+)/K(+)-ATPase regulates tight junction formation and function during blastocyst formation. To investigate this hypothesis, three experimental series were conducted. The first experiments defined the optimal dose and treatment time intervals for ouabain (a potent and specific inhibitor of the Na(+)/K(+)-ATPase) treatment. The results demonstrated that mouse embryos maintained a normal development to the blastocyst stage following a 6-h ouabain treatment. The second experiments investigated the effects of ouabain treatment …


Effects Of Lesions Of The Bed Nucleus Of The Stria Terminalis, Laterual Hypothalamus, Or Insular Cortex On Conditioned Taste Aversion And Conditioned Odor Aversion, Christopher T. Roman, Nino Nebieridze, Aristides Sastre, Steve Reilly Jan 2006

Effects Of Lesions Of The Bed Nucleus Of The Stria Terminalis, Laterual Hypothalamus, Or Insular Cortex On Conditioned Taste Aversion And Conditioned Odor Aversion, Christopher T. Roman, Nino Nebieridze, Aristides Sastre, Steve Reilly

Scholarship and Professional Work – COPHS

The effects of permanent forebrain lesions on conditioned taste aversions (CTAs) and conditioned odor aversions (COAs) were examined in 3 experiments. In Experiment 1, lesions of the bed nucleus of the stria terminalis had no influence on CTA or COA acquisition. Although lesions of the lateral hypothalamus induced severe hypodipsia in Experiment 2, they did not prevent the acquisition of CTAs or COAs. Finally, in Experiment 3, lesions of the insular cortex retarded CTA acquisition but had no influence on COA acquisition. The implications of these findings are discussed with regard to the forebrain influence on parabrachial nucleus function during …


Suicidal Behavior In Incarcerated Men In The Pennysylvania Department Of Corrections, Gregory John Estadt Jan 2006

Suicidal Behavior In Incarcerated Men In The Pennysylvania Department Of Corrections, Gregory John Estadt

PCOM Psychology Dissertations

Suicide is a well-documented problem, ranking high in causes of death in the US and internationally. National and international programs have been designed to address the problem, as well as approaches targeting prison populations. Within these programs, knowledge of local risk factors is viewed as essential in identifying potential suicide completers. The current study expands existing knowledge of these risk factors in the Pennsylvania Department of Corrections by a) collecting descriptive data of completers and b) conducting a retrospective case control study. The descriptive data is utilized to create a profile of typical suicide completers in the PA DOC. The …


Cutaneous And Presumed Visceral Leishmaniasis In A Soldier Deployed To Afghanistan, James P. Woodrow, Joshua D. Hartzell, Jim Czarnik, David Brett-Major, Glenn Wortmann Jan 2006

Cutaneous And Presumed Visceral Leishmaniasis In A Soldier Deployed To Afghanistan, James P. Woodrow, Joshua D. Hartzell, Jim Czarnik, David Brett-Major, Glenn Wortmann

Journal Articles: Epidemiology

Leishmaniasis has been frequently diagnosed in US military personnel returning from duty in Southwest Asia. The majority of cases have demonstrated cutaneous disease, although a few cases of visceral disease have been documented. We present the case of an immunocompetent, HIV-negative, US Army soldier who suffered both visceral and cutaneous manifestations of leishmaniasis after returning from deployment in Afghanistan. Overlap of cutaneous and visceral involvement is rare and has not been reported in our cohort. Latent Plasmodium vivax infection may have been an exacerbating cofactor. We discuss this case and present a review of the literature.


An Exonic Splicing Silencer Is Involved In The Regulated Splicing Of Glucose 6-Phosphate Dehydrogenase Mrna, Wioletta Szeszel-Fedorowicz, Indrani Talukdar, Brian N. Griffith, Callee M. Walsh, Lisa M. Salati Jan 2006

An Exonic Splicing Silencer Is Involved In The Regulated Splicing Of Glucose 6-Phosphate Dehydrogenase Mrna, Wioletta Szeszel-Fedorowicz, Indrani Talukdar, Brian N. Griffith, Callee M. Walsh, Lisa M. Salati

Faculty & Staff Scholarship

No abstract provided.


Mutant Neurogenin-3 In Congenital Malabsorptive Diarrhea, Jiafang Wang, Galen Cortina, S. Vincent Wu, Robert Tran, Jang-Hyeon Cho, Ming-Jer Tsai, Travis J. Bailey, Milan Jamrich, Marvin E. Ament, William R. Treem, Ivor D. Hill, Jorge H. Vargas, George Gershman, Douglas G. Farmer, Laurie Reyen, Martin G. Martín Jan 2006

Mutant Neurogenin-3 In Congenital Malabsorptive Diarrhea, Jiafang Wang, Galen Cortina, S. Vincent Wu, Robert Tran, Jang-Hyeon Cho, Ming-Jer Tsai, Travis J. Bailey, Milan Jamrich, Marvin E. Ament, William R. Treem, Ivor D. Hill, Jorge H. Vargas, George Gershman, Douglas G. Farmer, Laurie Reyen, Martin G. Martín

Biology

Background: Neurogenin-3 (NEUROG3) is expressed in endocrine progenitor cells and is required for endocrine-cell development in the pancreas and intestine. The NEUROG3 gene (NEUROG3) is therefore a candidate for the cause of a newly discovered autosomal recessive disorder characterized by generalized malabsorption and a paucity of enteroendocrine cells. Methods: We screened genomic DNA from three unrelated patients with sparse enteroendocrine cells for mutations of NEUROG3. We then tested the ability of the observed mutations to alter NEUROG3 function, using in vitro and in vivo assays. Results: The patients had few intestinal enteroendocrine cells positive for chromogranin A, but they had …


Female Athletic Trainers In Professional Male Sports, Erica Chung Jan 2006

Female Athletic Trainers In Professional Male Sports, Erica Chung

UNLV Retrospective Theses & Dissertations

This study measured the opinions of head and assistant athletic trainers employed by the National Football League, National Basketball Association, National Hockey League, Major League Soccer, and Major League Baseball, which also included the affiliated minor league and independent professional teams in the spring of 2006 regarding potential barriers female athletic trainers face in order to work with professional male sports teams. A survey was distributed to measure the opinions of 373 full-time athletic trainers with a return rate of 30.6%. The majority of those that took the survey agreed that female athletic trainers were competent and skilled but the …


Antisperm Immunity For Contraception, R. K. Naz Jan 2006

Antisperm Immunity For Contraception, R. K. Naz

Faculty & Staff Scholarship

No abstract provided.


Atypical Features In Pleomorphic Adenoma--A Clinicopathologic Study And Implications For Management., M. Ethunandan, R. Witton, G. Hoffman, A. Spedding, P. A. Brennan Jan 2006

Atypical Features In Pleomorphic Adenoma--A Clinicopathologic Study And Implications For Management., M. Ethunandan, R. Witton, G. Hoffman, A. Spedding, P. A. Brennan

Peninsula Dental School

Pleomorphic adenoma is the most common salivary gland neoplasm and infrequently undergoes malignant transformation. Carcinoma ex pleomorphic adenoma is typically an infiltrative neoplasm with features of cellular pleomorphism, high mitotic activity, peri-neural and vascular invasion. More recently, sub-groups of pleomorphic adenoma have been described exhibiting vascular invasion and features of malignancy without evidence of extra-capsular extension. There is little information in the literature regarding how these different histological variants influence clinical presentation and outcome following primary treatment. Following a review of 100 consecutive pleomorphic adenomas removed from the major salivary glands, 4 cases with atypical histological features were found. Three …


Ocular Morbidity Among Children Studying In Private Schools Of Kathmandu Valley: A Prospective Cross Sectional Study., Rk Shrestha, Mr Joshi, R Ghising, P Pradhan, S Shakya, A Rizyal Jan 2006

Ocular Morbidity Among Children Studying In Private Schools Of Kathmandu Valley: A Prospective Cross Sectional Study., Rk Shrestha, Mr Joshi, R Ghising, P Pradhan, S Shakya, A Rizyal

School of Health Professions

A prospective cross sectional study of students of two private schools was done and students were screened in detail. A total of 1816 students aged 5 to 16 years were evaluated, out of which 52.8% were males and 47.2 % were females. Among the total, 65.8% had no ocular abnormalities and 34.2% had some form of ocular disorders. Refractive error was the commonest problem seen accounting for 21.9% out of total, followed by infective disorders, which accounted for 7.2%, 3.5% of them were noted to have Orthoptic problem including various types of strabismus, 2.2% were color blind, 2.6% were found …


Embryonic Stem Cell-Derived Hematopoietic Stem Cells, Yuan Wang, Frank Yates, Olaia Naveiras, Patricia Ernst, George Q. Daley Dec 2005

Embryonic Stem Cell-Derived Hematopoietic Stem Cells, Yuan Wang, Frank Yates, Olaia Naveiras, Patricia Ernst, George Q. Daley

Dartmouth Scholarship

Despite two decades of studies documenting the in vitro blood-forming potential of murine embryonic stem cells (ESCs), achieving stable long-term blood engraftment of ESC-derived hematopoietic stem cells in irradiated mice has proven difficult. We have exploited the Cdx-Hox pathway, a genetic program important for blood development, to enhance the differentiation of ESCs along the hematopoietic lineage. Using an embryonic stem cell line engineered with tetracycline-inducible Cdx4 , we demonstrate that ectopic Cdx4 expression promotes hematopoietic mesoderm specification, increases hematopoietic progenitor formation, and, together with HoxB4, enhances multilineage hematopoietic engraftment of lethally irradiated adult mice. Clonal analysis of retroviral integration sites …


The Need For Tobacco Education: Studies Of Collegiate Dental Hygiene Patients And Faculty, Joan M. Davis Rdh, Ms, Margaret S Stockdale, Martha Cropper Dec 2005

The Need For Tobacco Education: Studies Of Collegiate Dental Hygiene Patients And Faculty, Joan M. Davis Rdh, Ms, Margaret S Stockdale, Martha Cropper

Journal Articles

The need for inclusion of comprehensive tobacco control education/training for health care providers continues to be stressed in publications addressing cessation services. The dental appointment presents an excellent opportunity to provide tobacco interventions to basically healthy people on regular intervals. The purpose of this study was twofold: 1) to assess the need (stage of change and concomitant need for tobacco cessation intervention) of dental hygiene patients at a Midwest dental hygiene clinic, and 2) to assess and compare the level of tobacco intervention education currently being offered by dental hygiene educators in a Midwestern state. Patients (n=426) of a collegiate …