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Articles 150841 - 150870 of 160188
Full-Text Articles in Medicine and Health Sciences
Ada News - 08/07/2000, American Dental Association, Publishing Division
Ada News - 08/07/2000, American Dental Association, Publishing Division
ADA News
Established in 1970 as the official newspaper of the American Dental Association, the ADA News serves practicing dentists and others allied to the dental profession in the U.S. and internationally. It is the No. 1 source of news and information about the many benefits and services the ADA delivers to members daily as well as timely information on scientific, social, political and economic developments affecting dentistry and health care.
Who’S On Your Guest List For Dinner?, Rick Burton
Who’S On Your Guest List For Dinner?, Rick Burton
Sport Management - All Scholarship
No abstract provided.
Insuring Virginia's Children: Local Outreach And Enrollment (Northern Virginia), Lisa Sprague, Judith D. Moore
Insuring Virginia's Children: Local Outreach And Enrollment (Northern Virginia), Lisa Sprague, Judith D. Moore
National Health Policy Forum
This one-day visit to a nearby jurisdiction was designed to allow participation by federal staff who have been unable to commit the three days required by a typical Forum site visit. Site visitors were given an overview of health care in Virginia and an introduction to the Children's Medical Income Security Program (CMSIP) as well as its proposed replacement, the Family Access to Medical Insurance Security program (FAMIS). A panel representing community organizations and providers shared their experience, touching on provider concerns, coordination of outreach efforts across counties, and assistance for clients after they are enrolled. The group visited the …
Cancer Surveillance Series: Non-Hodgkin’S Lymphoma Incidence By Histologic Subtype In The United States From 1978 Through 1995, Frank D. Groves, Martha S. Linet, Lois B. Travis, Susan S. Devesa
Cancer Surveillance Series: Non-Hodgkin’S Lymphoma Incidence By Histologic Subtype In The United States From 1978 Through 1995, Frank D. Groves, Martha S. Linet, Lois B. Travis, Susan S. Devesa
United States Public Health Resources
Background: Clinical investigations have shown prognostic heterogeneity within the non-Hodgkin’s lymphomas (NHLs) according to histology, but few descriptive studies have considered NHLs by subgroup. Our purpose is to assess the demographic patterns and any notable increases in population- based rates of different histologic subgroups of NHL.
Methods: Using data collected by the Surveillance, Epidemiology, and End Results Program of the National Cancer Institute, we calculated incidence rates for the major clinicopathologic categories of NHL by age, race, sex, geographic area, and time period.
Results: Among the 60 057 NHL cases diagnosed during the period from 1978 through 1995, total incidence …
Social Anxiety Scale For Adolescents: Normative Data And Further Evidence Of Construct Validity, Heidi M. Inderbitzen-Nolan, Kenneth S. Walters
Social Anxiety Scale For Adolescents: Normative Data And Further Evidence Of Construct Validity, Heidi M. Inderbitzen-Nolan, Kenneth S. Walters
Department of Psychology: Faculty Publications
Replicates and extends prior work with the Social Anxiety Scale for Adolescents (SAS– A) by providing psychometric data, further evidence of construct validity, and largesample based normative data. Participants were 2,937 students (1,431 boys and 1,506 girls) in Grades 6, 7, 8, 9, and 11. Students completed the SAS–A, the Revised Children’s Manifest Anxiety Scale (RCMAS), and the Children’s Depression Inventory (CDI). Results replicated a three-factor structure for the SAS–A, with good internal consistencies for its subscales. Normative data were subdivided by sex and grade group. Construct validity included replication of prior relations with general anxiety (RCMAS) and depressive symptomatology …
Information Interface - Volume 28, Issue 4 - August/September 2000, George Washington University, Himmelfarb Health Sciences Library
Information Interface - Volume 28, Issue 4 - August/September 2000, George Washington University, Himmelfarb Health Sciences Library
Information Interface (1976 - 2009)
News and information about Himmelfarb Health Sciences Library of interest to users.
The Role Of Pathology In An Investigation Of An Outbreak Of West Nile Encephalitis In New York, 1999, Wun-Ju Shieh, Jeannette Guarner, Marci Layton, Annie Fine, James Miller, Denis Nash, Grant L. Campbell, John T. Roehrig, Duane J. Gubler, Sherif R. Zaki
The Role Of Pathology In An Investigation Of An Outbreak Of West Nile Encephalitis In New York, 1999, Wun-Ju Shieh, Jeannette Guarner, Marci Layton, Annie Fine, James Miller, Denis Nash, Grant L. Campbell, John T. Roehrig, Duane J. Gubler, Sherif R. Zaki
Publications and Research
An outbreak of encephalitis occurred in New York City in late August 1999, the first caused by West Nile virus in North America. Histopathologic and immunopathologic examinations performed on human autopsy materials helped guide subsequent laboratory and epidemiologic investigations that led to identification of the etiologic agent.
Phosphonated Agents And Their Antiangiogenic And Antitumorigenic Use, Delwood C. Collins, Antonio Gagliardi, Peter Nickel
Phosphonated Agents And Their Antiangiogenic And Antitumorigenic Use, Delwood C. Collins, Antonio Gagliardi, Peter Nickel
Obstetrics and Genecology Faculty Patents
Phosphonic acid agents are synthesized and characterized which are potent inhibitors of angiogenesis, tumorigenesis and metalloproteinase activity. Their method of use for the inhibition of angiogenesis and metalloproteinase and the treatment of tumors is also shown.
Prolonged Cyclooxygenase-2 Induction In Neurons And Glia Following Traumatic Brain Injury In The Rat, Kenneth I. Strauss, Mary F. Barbe, Renee Marshall Demarest, Ramesh Raghupathi, Samir Mehta, Raj K. Narayan
Prolonged Cyclooxygenase-2 Induction In Neurons And Glia Following Traumatic Brain Injury In The Rat, Kenneth I. Strauss, Mary F. Barbe, Renee Marshall Demarest, Ramesh Raghupathi, Samir Mehta, Raj K. Narayan
Rowan-Virtua School of Osteopathic Medicine Departmental Research
Cyclooxygenase-2 (COX2) is a primary inflammatory mediator that converts arachidonic acid into precursors of vasoactive prostaglandins, producing reactive oxygen species in the process. Under normal conditions COX2 is not detectable, except at low abundance in the brain. This study demonstrates a distinctive pattern of COX2 increases in the brain over time following traumatic brain injury (TBI). Quantitative lysate ribonuclease protection assays indicate acute and sustained increases in COX2 mRNA in two rat models of TBI. In the lateral fluid percussion model, COX2 mRNA is significantly elevated (>twofold, p < 0.05, Dunnett) at 1 day postinjury in the injured cortex and bilaterally in the hippocampus, compared to sham-injured controls. In the lateral cortical impact model (LCI), COX2 mRNA peaks around 6 h postinjury in the ipsilateral cerebral cortex (fivefold induction, p < 0.05, Dunnett) and in the ipsilateral and contralateral hippocampus (two- and six-fold induction, respectively, p < 0.05, Dunnett). Increases are sustained out to 3 days postinjury in the injured cortex in both models. Further analyses use the LCI model to evaluate COX2 induction. Immunoblot analyses confirm increased levels of COX2 protein in the cortex and hippocampus. Profound increases in COX2 protein are observed in the cortex at 1-3 days, that return to sham levels by 7 days postinjury (p < 0.05, Dunnett). The cellular pattern of COX2 induction following TBI has been characterized using immunohistochemistry. COX2-immunoreactivity (-ir) rises acutely (cell numbers and intensity) and remains elevated for several days following TBI. Increases in COX2-ir colocalize with neurons (MAP2-ir) and glia (GFAP-ir). Increases in COX2-ir are observed in cerebral cortex and hippocampus, ipsilateral and contralateral to injury as early as 2 h postinjury. Neurons in the ipsilateral parietal, perirhinal and piriform cortex become intensely COX2-ir from 2 h to at least 3 days postinjury. In agreement with the mRNA and immunoblot results, COX2-ir appears greatest in the contralateral hippocampus. Hippocampal COX2-ir progresses from the pyramidal cell layer of the CA1 and CA2 region at 2 h, to the CA3 pyramidal cells and dentate polymorphic and granule cell layers by 24 h postinjury. These increases are distinct from those observed following inflammatory challenge, and correspond to brain areas previously identified with the neurological and cognitive deficits associated with TBI. While COX2 induction following TBI may result in selective beneficial responses, chronic COX2 production may contribute to free radical mediated cellular damage, vascular dysfunction, and alterations in cellular metabolism. These may cause secondary injuries to the brain that promote neuropathology and worsen behavioral outcome.
Sequential Group Trial To Determine Gastrointestinal Site Of Absorption And Systemic Exposure Of Azathioprine, Jane M. Gervasio, Rex O. Brown, John Lima, M. G. Tabbaa, Thomas Abell, Robert Werkman, Lynda J. Haberer, Lawrence J. Hak
Sequential Group Trial To Determine Gastrointestinal Site Of Absorption And Systemic Exposure Of Azathioprine, Jane M. Gervasio, Rex O. Brown, John Lima, M. G. Tabbaa, Thomas Abell, Robert Werkman, Lynda J. Haberer, Lawrence J. Hak
Scholarship and Professional Work – COPHS
Azathioprine (AZA) is used in the treatment of patients with refractory inflammatory bowel disease; however, its use is limited because of systemic toxicity associated with long-term use. Ileocecal delivery of AZA might be advantageous if local intestinal therapeutic effects could be provided with decreased systemic side effects. Decreased cecal systemic absorption would allow higher dosages of AZA to be administered. A two-phase study was performed to compare the systemic exposure of AZA and 6-mercaptopurine (6-MP) following administration of AZA into the stomach, jejunum, and cecum and to compare the systemic exposure to AZA and 6-MP following administration of three different …
Morphological, Molecular, And Biogeographical Variation Within The Imperiled Virginia Spiraea, Constance Anders
Morphological, Molecular, And Biogeographical Variation Within The Imperiled Virginia Spiraea, Constance Anders
Masters Theses & Specialist Projects
Spiraea virginiana Britton is a rare federally listed rhizomatous shrub endemic to the southern Blue Ridge and Appalachian Plateau physiographic provinces. Populations of S. virginiana are found restricted to scoured sections of high gradient streams within the Ohio River drainage. Present evidence indicates the species is reproducing asexually, most probably through the deposition of rhizomes from upstream populations forming new downstream ramets. Phenotypic variation was examined through a morphometric evaluation of 25 leaf measurements and analyzed using Principal Components Analysis (PCA) and discriminant function analysis. Identity and structure at the molecular level as examined with Randomly Amplified Polymorphic DNA (RAPDs) …
Eye Position Signal Modulates A Human Parietal Pointing Region During Memory-Guided Movements., J F Desouza, S P Dukelow, J S Gati, R S Menon, R A Andersen, T Vilis
Eye Position Signal Modulates A Human Parietal Pointing Region During Memory-Guided Movements., J F Desouza, S P Dukelow, J S Gati, R S Menon, R A Andersen, T Vilis
Brain and Mind Institute Researchers' Publications
Using functional magnetic resonance imaging, we examined the signal in parietal regions that were selectively activated during delayed pointing to flashed visual targets and determined whether this signal was dependent on the fixation position of the eyes. Delayed pointing activated a bilateral parietal area in the intraparietal sulcus (rIPS), rostral/anterior to areas activated by saccades. During right-hand pointing to centrally located targets, the left rIPS region showed a significant increase in activation when the eye position was rightward compared with leftward. As expected, activation in motor cortex showed no modulation when only eye position changed. During pointing to retinotopically identical …
Children Of Alcoholics: An Update., D Z Lieberman
Children Of Alcoholics: An Update., D Z Lieberman
Psychiatry and Behavioral Sciences Faculty Publications
One of four children in the United States lives in a family in which the child is exposed to alcoholism. Children of alcoholics (COAs) are two to ten times more likely to develop alcoholism than non-COAs. This paper reviews studies that have attempted to identify risk factors that mediate the increased vulnerability and the protective factors that moderate the risk. Factors discussed include parental antisocial personality disorder, externalizing behavior, internalizing symptoms, differential response to the effects of alcohol, and positive and negative alcohol-related expectancies. The heterogeneous nature of COAs is emphasized, and some of the challenges related to treatment and …
Regional Variation In Recruitment Of Hemlock Seedlings And Saplings In The Upper Great Lakes, Usa, Thomas P. Rooney, Ronald J. Mccormick, Stephen L. Solheim, Donald M. Waller
Regional Variation In Recruitment Of Hemlock Seedlings And Saplings In The Upper Great Lakes, Usa, Thomas P. Rooney, Ronald J. Mccormick, Stephen L. Solheim, Donald M. Waller
Biological Sciences Faculty Publications
Mature eastern hemlock–northern hardwood forest cover decreased drastically in the upper Midwest following European settlement and has yet to rebound substantially. Previous studies show that stands retaining substantial hemlock canopy coverage have low hemlock seedling and sapling densities. Results from various geographically restricted studies suggest several possible mechanisms that could cause low seedling or sapling density. We examined the relative importance of these proposed mechanisms in the Southern Superior Uplands Section of the Laurentian Forest Province. We surveyed 294- m2 plots in 100 hemlock stands in northern Wisconsin and western upper Michigan to assess how these proposed mechanisms affect the …
Children's Understanding Of The Concept Of Physical Activity, Stewart G. Trost, Angela M. Morgan, Ruth P. Saunders, Gwen A. Felton, Dianne S. Ward, Russell R. Pate
Children's Understanding Of The Concept Of Physical Activity, Stewart G. Trost, Angela M. Morgan, Ruth P. Saunders, Gwen A. Felton, Dianne S. Ward, Russell R. Pate
Faculty Publications
This study evaluated 4th-grade students' understanding of the concept of physical activity and assessed the effects of two interventions to enhance the students' understanding of this concept. Students were randomly assigned to 1 of 3 conditions: the video group (n=40) watched a 5-min video describing physical activity; the verbal group (n=42) listened to a generic description of physical activity; the control group received no instruction (n=45). Students completed a 17-item checklist testing their understanding of the concept of physical activity. Compared to controls, students in the verbal and video group demonstrated significantly higher checklist …
Conditions Optimales D'Utilisation Des Nettoyants À Plancher : Huile À Moteur Et Hydraulique Sur Le Béton, François Quirion, Philippe L'Homme
Conditions Optimales D'Utilisation Des Nettoyants À Plancher : Huile À Moteur Et Hydraulique Sur Le Béton, François Quirion, Philippe L'Homme
Rapports de recherche scientifique
No abstract provided.
Adaptation Et Validation D'Un Harnais De Manutention Pour Les Ambulanciers, Yves Beauchamp, Denis Lagacé, Martin C. Normand
Adaptation Et Validation D'Un Harnais De Manutention Pour Les Ambulanciers, Yves Beauchamp, Denis Lagacé, Martin C. Normand
Rapports de recherche scientifique
No abstract provided.
Genitourinary Tuberculosis: A Profile Of 55 In-Patients, N P. Buchholz, S Salahuddin, R Haque
Genitourinary Tuberculosis: A Profile Of 55 In-Patients, N P. Buchholz, S Salahuddin, R Haque
Section of Urology
Objective: To outline the pattern and trends in major cases of genito-urinary tuberculosis (GUTB) which require hospital treatment.
Method: We retrospectively reviewed 55 patients with proven GUTB who were treated as in-patients in a major referral hospital in Pakistan.
Results: The male/female ratio was 3:1. Prevailing symptoms were lower urinary tract symptoms, flank pain, gross hematuria and fever. A urine culture was positive for tuberculosis (TB) in 57%, bladder biopsies in 54%. For renal TB, intravenous urogram (IVU) and ultrasound were suggestive in about 50% of cases. Ultrasound was very helpful in the diagnosis of testicular TB. Patients underwent surgery …
La Notion De Danger, Jean M. Kanellopoulos, David M. Ojcius
La Notion De Danger, Jean M. Kanellopoulos, David M. Ojcius
All Dugoni School of Dentistry Faculty Articles
Pendant de nombreuses années, les recherches en immunologie ont été centrées sur la réponse immunitaire adaptative, et la plupart des immunologistes considéraient que sa fonction principale était de faire la distinction entre soi et non soi. Plus récemment, plusieurs équipes ont proposé que la fonction principale du système immunitaire est en réalité d’éliminer les agents pathogènes. Or, c’est le système immunitaire inné, longtemps négligé, qui joue un rôle essentiel dans l’induction d’une réponse contre les microorganismes. Ce système réagit précocement aux infections, voire instantanément, puis il induit et oriente la réponse du système adaptatif. Plusieursthéories ont été élaborées pour expliquer …
Free Radical Production In Hypoxic Pulmonary Artery Smooth Muscle Cells, David W. Killilea, Raymond Hester, Ron Balczon, Pavel Babal, Mark N. Gillespie
Free Radical Production In Hypoxic Pulmonary Artery Smooth Muscle Cells, David W. Killilea, Raymond Hester, Ron Balczon, Pavel Babal, Mark N. Gillespie
University Faculty and Staff Publications
This study used an inexpensive and versatile environmental exposure system to test the hypothesis that hypoxia promoted free radical production in primary cultures of rat main pulmonary artery smooth muscle cells (PASMCs). Production of reactive species was detected by fluorescence microscopy with the probe 2', 7'-dichlorodihydrofluorescein, which is converted to the fluorescent dichlorofluorescein (DCF) in the presence of various oxidants. Flushing the airspace above the PASMC cultures with normoxic gas (20% O(2), 75% N(2), and 5% CO(2)) resulted in stable PO(2) values of approximately 150 Torr, whereas perfusion of the airspace with hypoxic gas (0% O(2), 95% N(2), and 5% …
Differential Infectivity And Division Of Toxoplasma Gondii In Human Peripheral Blood Leukocytes, Jacqueline Y. Channon, Rosanne M. Seguin, Lloyd H. Kasper
Differential Infectivity And Division Of Toxoplasma Gondii In Human Peripheral Blood Leukocytes, Jacqueline Y. Channon, Rosanne M. Seguin, Lloyd H. Kasper
Dartmouth Scholarship
When tachyzoites were incubated with human peripheral blood leukocytes in vitro, more monocytes and dendritic cells than neutrophils or lymphocytes were infected. Although tachyzoites were able to divide in each of these cell types, monocytes and dendritic cells were more permissive to rapid tachyzoite division than neutrophils or lymphocytes.
Prognostic Impact Of P53 Status In Ewing Sarcoma, E. De Alava, C. Antonescu, A. Panizo, Denis H. Y. Leung, P. Meyers, A. Huvos, F. J. Pardo-Mindan, J. Healey, M. Ladanyi
Prognostic Impact Of P53 Status In Ewing Sarcoma, E. De Alava, C. Antonescu, A. Panizo, Denis H. Y. Leung, P. Meyers, A. Huvos, F. J. Pardo-Mindan, J. Healey, M. Ladanyi
Research Collection School Of Economics
Disease stage at the time of diagnosis and response to therapy are the main prognostic factors for patients with Ewing sarcoma or peripheral neuroectodermal tumor (ES/PNET). The primary genetic alteration in ES/PNET, the fusion of the EWS gene with FLI1 or ERG, is diagnostically highly specific for these tumors, and molecular variation in the structure of the EWS-FLI1 fusion gene also is of prognostic significance. In contrast, secondary genetic alterations, such as P53 alterations, are relatively uncommon in ES/PNET, and their prognostic impact has not been extensively studied. METHODS: Prechemotherapy, paraffin embedded, nondecalcified, primary tumor material in a well-characterized series …
Vibrio Cholerae H-Ns Silences Virulence Gene Expression At Multiple Steps In The Toxr Regulatory Cascade, Melinda B. Nye, James D. Pfau, Karen Skorupski, Ronald K. Taylor
Vibrio Cholerae H-Ns Silences Virulence Gene Expression At Multiple Steps In The Toxr Regulatory Cascade, Melinda B. Nye, James D. Pfau, Karen Skorupski, Ronald K. Taylor
Dartmouth Scholarship
H-NS is an abundant nucleoid-associated protein involved in the maintenance of chromosomal architecture in bacteria. H-NS also has a role in silencing the expression of a variety of environmentally regulated genes during growth under nonpermissive conditions. In this study we demonstrate a role for H-NS in the negative modulation of expression of several genes within the ToxR virulence regulon ofVibrio cholerae. Deletion of hns resulted in high, nearly constitutive levels of expression of the genes encoding cholera toxin, toxin-coregulated pilus, and the ToxT virulence gene regulatory protein. For the cholera toxin- and ToxT-encoding genes, elevated expression in an …
A New Role For A Snare Protein As A Regulator Of The Ypt7/Rab-Dependent Stage Of Docking, Christian Ungermann, Albert Price, William Wickner
A New Role For A Snare Protein As A Regulator Of The Ypt7/Rab-Dependent Stage Of Docking, Christian Ungermann, Albert Price, William Wickner
Dartmouth Scholarship
The homotypic fusion of yeast vacuoles occurs in an ordered cascade of priming, docking, and fusion. The linkage between these steps has so far remained unclear. We now report that Vam7p (the vacuolar SNAP-23/25 homolog) signals from the cis-SNARE complex to Ypt7p (the vacuolar Rab/Ypt) to initiate the docking process. After Vam7p has been released from the cis-SNARE complex by Sec18p-mediated priming, it is still required for Ypt7p-dependent docking and it needs Ypt7p to remain on the vacuole.
Ada News - 07/17/2000, American Dental Association, Publishing Division
Ada News - 07/17/2000, American Dental Association, Publishing Division
ADA News
Established in 1970 as the official newspaper of the American Dental Association, the ADA News serves practicing dentists and others allied to the dental profession in the U.S. and internationally. It is the No. 1 source of news and information about the many benefits and services the ADA delivers to members daily as well as timely information on scientific, social, political and economic developments affecting dentistry and health care.
Outpatient Commitment In Mental Health: Is Coercion The Price Of Community Services?, Coimbra Sirica
Outpatient Commitment In Mental Health: Is Coercion The Price Of Community Services?, Coimbra Sirica
National Health Policy Forum
This paper reviews the debate over civil commitment to outpatient settings of people with mental illness who are considered too ill and/or too dangerous to be left on their own in their communities. The choices of two states — Maryland and New York — in dealing with this issue are reviewed. Alternative ways of drawing people into treatment and keeping them there are also discussed.
Use Of Lobeline Compounds In The Treatment Of Central Nervous System Diseases And Pathologies, Peter A. Crooks, Linda P. Dwoskin
Use Of Lobeline Compounds In The Treatment Of Central Nervous System Diseases And Pathologies, Peter A. Crooks, Linda P. Dwoskin
Pharmaceutical Sciences Faculty Patents
Lobeline and nicotine evoke [3H]overflow from rat striatal slices preloaded with [3H]dopamine ([3H]DA). The lobeline-evoked overflow is calcium-independent and not antagonized by mecamylamine, suggesting a mechanism of action other than the stimulation of nicotinic receptors. Whereas nicotine stimulates nicotinic receptors, lobeline inhibits [3H]DA uptake into synaptic vesicles and striatal synaptosomes. The results suggest that different mechanisms are responsible for the increase in striatal DA release evoked by lobeline and nicotine. [3H]-Dihydrotetrabenazine [3H]DTBZ), used routinely to probe a high-affinity binding site-on the vesicular monoamine transporter (VMAT2) binds to vesicle …
Sports Sinners Need Forgiveness, Too, Rick Burton
Sports Sinners Need Forgiveness, Too, Rick Burton
Sport Management - All Scholarship
No abstract provided.
Mid-Atlantic Ethics Committee Newsletter, Summer 2000
Mid-Atlantic Ethics Committee Newsletter, Summer 2000
Mid-Atlantic Ethics Committee Newsletter
No abstract provided.
Beyond Stigma: What Barriers Actually Affect The Decisions Of Low-Income Families To Enroll In Medicaid?, Jennifer P. Stuber, Kathleen A. Maloy, Sara Rosenbaum, Karen C. Jones
Beyond Stigma: What Barriers Actually Affect The Decisions Of Low-Income Families To Enroll In Medicaid?, Jennifer P. Stuber, Kathleen A. Maloy, Sara Rosenbaum, Karen C. Jones
Health Policy and Management Issue Briefs
No abstract provided.