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Articles 1 - 10 of 10
Full-Text Articles in Medicine and Health Sciences
Cellular Basis Of Decreased Immune Responses To Pneumococcal Vaccines In Aged Mice, Manju Garg, Wei Luo, Alan M. Kaplan, Subbarao Bondada
Cellular Basis Of Decreased Immune Responses To Pneumococcal Vaccines In Aged Mice, Manju Garg, Wei Luo, Alan M. Kaplan, Subbarao Bondada
Microbiology, Immunology, and Molecular Genetics Faculty Publications
Previously, model systems were developed in our laboratory to study murine immune responses to the 23-valent pneumococcal polysaccharide vaccine Pnu-Imune, both in vivo and in vitro (M. Garg and B. Subbarao, Infect. Immun. 60:2329-2336, 1992; M. Garg, A. M. Kaplan, and S. Bondada, J. Immunol. 152: 1589-1596, 1994). Using these systems, we found that aged mice did not respond to the vaccine in vivo or in vitro. Cell separation studies showed that the unresponsiveness of the aged spleen cells to the vaccine was not due to an intrinsic B-cell defect or to T-cell-mediated immunosuppression but resulted from an accessory cell …
Glanzmann Thrombasthenia. Cooperation Between Sequence Variants In Cis During Splice Site Selection., Ying Jin, Harry C. Dietz, Robert A. Montgomery, William R. Bell, Iain Mcintosh, Barry Coller, Paul F. Bray
Glanzmann Thrombasthenia. Cooperation Between Sequence Variants In Cis During Splice Site Selection., Ying Jin, Harry C. Dietz, Robert A. Montgomery, William R. Bell, Iain Mcintosh, Barry Coller, Paul F. Bray
Cardeza Foundation for Hematologic Research
Glanzmann thrombasthenia (GT), an autosomal recessive bleeding disorder, results from abnormalities in the platelet fibrinogen receptor, GP(IIb)-IIIa (integrin alpha(IIb)beta3). A patient with GT was identified as homozygous for a G-->A mutation 6 bp upstream of the GP(IIIa) exon 9 splice donor site. Patient platelet GP(IIIa) transcripts lacked exon 9 despite normal DNA sequence in all of the cis-acting sequences known to regulate splice site selection. In vitro analysis of transcripts generated from mini-gene constructs demonstrated that exon skipping occurred only when the G-->A mutation was cis to a polymorphism 116 bp upstream, providing precedence that two sequence variations …
Measuring Hospital Use Without Claims: A Comparison Of Patient And Provider Reports., R E. Clark, S K. Ricketts, G J. Mchugo
Measuring Hospital Use Without Claims: A Comparison Of Patient And Provider Reports., R E. Clark, S K. Ricketts, G J. Mchugo
Dartmouth Scholarship
We compared the validity of hospital admission and length of stay reports from patients, outpatient providers, and hospitals, and we examined possible sources of error. Data were collected from people enrolled in a randomized trial of treatment for severe mental illness and substance use disorders, from community mental health centers (CMHCs), and from hospitals. Reports for each of the 74 study participants covered two-year time periods beginning and ending at various times between 1989 and 1993. We compared reports from the various sources and constructed a hybrid with data from all three sources. Using parametric and non-parametric statistics, we compared …
A Polymorphism Of A Platelet Glycoprotein Receptor As An Inherited Risk Factor For Coronary Thrombosis., Ethan J. Weiss, Paul F. Bray, Matthew Tayback, Steven P. Schulman, Thomas S. Kickler, Lewis C. Becker, James L. Weiss, Gary Gerstenblith, Pascal J. Goldschmidt-Clermont
A Polymorphism Of A Platelet Glycoprotein Receptor As An Inherited Risk Factor For Coronary Thrombosis., Ethan J. Weiss, Paul F. Bray, Matthew Tayback, Steven P. Schulman, Thomas S. Kickler, Lewis C. Becker, James L. Weiss, Gary Gerstenblith, Pascal J. Goldschmidt-Clermont
Cardeza Foundation for Hematologic Research
BACKGROUND: Platelet glycoprotein IIb/IIIa is a membrane receptor for fibrinogen and von Willebrand factor, and it has an important role in platelet aggregation. It is known to be involved in the pathogenesis of acute coronary syndromes. Previously, we found a high frequency of a particular polymorphism, PlA2, of the gene encoding glycoprotein IIIa in kindreds with a high prevalence of premature myocardial infarction.
METHODS: To investigate the relation between the PlA2 polymorphism and acute coronary syndromes, we conducted a case-control study of 71 case patients with myocardial infarction or unstable angina and 68 inpatient controls without known heart disease. The …
Disruption Of The Cbfa2 Gene Causes Necrosis And Hemorrhaging In The Central Nervous System And Blocks Definitive Hematopoiesis., Qing Wang, Terryl Stacy, Michael M Binder, Miguel Marin-Padilla, Arlene H. Sharpe, Nancy A. Speck
Disruption Of The Cbfa2 Gene Causes Necrosis And Hemorrhaging In The Central Nervous System And Blocks Definitive Hematopoiesis., Qing Wang, Terryl Stacy, Michael M Binder, Miguel Marin-Padilla, Arlene H. Sharpe, Nancy A. Speck
Dartmouth Scholarship
The CBFA2 (AML1) gene encodes a DNA-binding subunit of the heterodimeric core-binding factor. The CBFA2 gene is disrupted by the (8;21), (3;21), and (12;21) chromosomal translocations associated with leukemias and myelodysplasias in humans. Mice lacking a CBF alpha 2 protein capable of binding DNA die between embryonic days 11.5 and 12.5 due to hemorrhaging in the central nervous system (CNS), at the nerve/CNS interfaces of cranial and spinal nerves, and in somitic/intersomitic regions along the presumptive spinal cord. Hemorrhaging is preceded by symmetric, bilateral necrosis in these regions. Definitive erythropoiesis and myelopoiesis do not occur in Cbfa2-deficient embryos, and disruption …
Basics Of Research (Part 6): Quantitative Data Analysis, Cheryl Thompson, Robert Schwartz, Eric Davis, Edward A. Panacek
Basics Of Research (Part 6): Quantitative Data Analysis, Cheryl Thompson, Robert Schwartz, Eric Davis, Edward A. Panacek
Journal Articles: College of Nursing
No abstract provided.
Cd40-Cd40 Ligand Interactions In Experimental Allergic Encephalomyelitis And Multiple Sclerosis., Koen Gerritse, Jon D. Laman, Randolph J. Noelle, Alejandro Aruffo
Cd40-Cd40 Ligand Interactions In Experimental Allergic Encephalomyelitis And Multiple Sclerosis., Koen Gerritse, Jon D. Laman, Randolph J. Noelle, Alejandro Aruffo
Dartmouth Scholarship
We investigated the role of CD40-CD40 ligand (CD40L) interactions in multiple sclerosis (MS) and experimental allergic encephalomyelitis (EAE). Activated helper T cells expressing CD40L (gp39) surface protein were found in MS patient brain sections, but not in brain tissue sections of normal controls or patients with other neurological disease. CD40L-positive cells were co-localized with CD40-bearing cells in active lesions (perivascular infiltrates). Most of these CD40-bearing cells proved to be of the monocytic lineage (macrophages or microglial cells), and relatively few were B cells. To functionally evaluate CD40-CD40L interactions, EAE was elicited in mice by means of proteolipid-peptide immunization. Treatment with …
Biochemical And Mutational Analysis Of The Histidine Residues Of Staphylococcal Enterotoxin A., M Hoffman, M Tremaine, J Mansfield, M Betley
Biochemical And Mutational Analysis Of The Histidine Residues Of Staphylococcal Enterotoxin A., M Hoffman, M Tremaine, J Mansfield, M Betley
Manuscripts, Articles, Book Chapters and Other Papers
The goal of this study was to examine the role of histidine residues in the biological activities of staphylococcal enterotoxin A (SEA). Carboxymethylated SEA was unable to stimulate murine T-cell proliferation but was resistant to monkey stomach lavage fluid degradation, suggesting that native conformation was intact. Site-directed mutagenesis of the histidine residues of SEA was subsequently performed. SEA-H44A (SEA with histidine 44 replaced with alanine), SEA-H44D, SEA-H50A, SEA-H50D, SEA-H114A, SEA-H114D, SEA-H187A, and SEA-H187D retained superantigen and emetic activities, whereas SEA-H225A and SEA-H225D were defective in the ability to stimulate T-cell proliferation. These mutants were unable to compete with SEA for …
Short-Term Versus Long-Term Group Work With Female Survivors Of Childhood Sexual Abuse: A Brief Meta-Analytic Review, Tanya L. De Jong, Kevin M. Gorey
Short-Term Versus Long-Term Group Work With Female Survivors Of Childhood Sexual Abuse: A Brief Meta-Analytic Review, Tanya L. De Jong, Kevin M. Gorey
Social Work Publications
This meta-analytic review synthesizes the findings of seven published independent studies dealing with group work with female survivors of childhood sexual abuse, and compares the effectiveness of short-term versus long-term methods. Across-study summative findings were: (1) generally, group work has large beneficial effects upon female survivors' affect and self-esteem-three-quarters of the group participants improve; (2) no extant empirical evidence supports the differential effectiveness of either short-term or long-term groups; and (3) only one study to date has reported the size of long-term methods' clinical effect. In short, the question of the differential effectiveness of short- versus long-term group work with …
Analysis Of The Effects Of Overexpression Of Metallothionein-I In Transgenic Mice On The Reproductive Toxicology Of Cadmium., T Dalton, Kai Fu, G C Enders, R D Palmiter, G K Andrews
Analysis Of The Effects Of Overexpression Of Metallothionein-I In Transgenic Mice On The Reproductive Toxicology Of Cadmium., T Dalton, Kai Fu, G C Enders, R D Palmiter, G K Andrews
Journal Articles: Pathology and Microbiology
Exposure to low levels of cadmium reduces fertility. In male mice spermatogenesis is highly sensitive to cadmium, whereas in females the peri-implantation period of pregnancy is sensitive. To examine the potential roles of the cadmium-binding protein, metallothionein (MT), in the reproductive toxicology of cadmium, we examined a transgenic mouse strain that overexpresses metallothionein-I (MT-I). These mice had dramatically increased steady-state levels of MT-I mRNA and MT in the testes and in the female reproductive tract during the peri-implantation period of pregnancy, and this overexpression occurred in a cell-specific and temporally regulated manner similar to that of the endogenous MT-I gene. …