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Attachment Ligands Of Viable Toxoplasma Gondii Induce Soluble Immunosuppressive Factors In Human Monocytes, Jacqueline Y. Channon, Edward I. Suh, Rosanne M. Seguin, Lloyd H. Kasper May 1999

Attachment Ligands Of Viable Toxoplasma Gondii Induce Soluble Immunosuppressive Factors In Human Monocytes, Jacqueline Y. Channon, Edward I. Suh, Rosanne M. Seguin, Lloyd H. Kasper

Dartmouth Scholarship

Previous studies have demonstrated that surface antigen proteins, in particular SAG-1, of Toxoplasma gondii are important to this parasite as attachment ligands for the host cell. An in vitro assay was developed to test whether these ligands and other secretory proteins are involved in the immune response of human cells to toxoplasma. Human monocytes were infected with tachyzoites in the presence of antiparasite antibodies, and their effect on mitogen-induced lymphoproliferation was examined. The presence of antibody to either parasite-excreted proteins (MIC-1 and MIC-2) or surface proteins (SAG-1 and SAG-2) during infection neutralized the marked decrease seen in mitogen-induced lymphoproliferation in …

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In The Affirmative, Vol.6, No.4 (Mid-April/Mid-May 1999), Mike Martin, The Aids Project Apr 1999

In The Affirmative, Vol.6, No.4 (Mid-April/Mid-May 1999), Mike Martin, The Aids Project

In the affirmative (1993-1999)

No abstract provided.

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Interaction Of Cationic Liposomes And Their Dna Complexes With Monocytic Leukemia Cells, Pedro Pires, Sérgio Simões, Shlomo Nir, Rogério Gaspar, Nejat Düzgüneş, Maria C. Pedroso De Lima Apr 1999

Interaction Of Cationic Liposomes And Their Dna Complexes With Monocytic Leukemia Cells, Pedro Pires, Sérgio Simões, Shlomo Nir, Rogério Gaspar, Nejat Düzgüneş, Maria C. Pedroso De Lima

All Dugoni School of Dentistry Faculty Articles

Cationic liposomes complexed with DNA have been used extensively as non-viral vectors for the intracellular delivery of reporter or therapeutic genes in culture and in vivo. We examined the relationship between the characteristics of the lipoplexes, their mode of interaction with monocytic THP-1 cells and their ability to transfect these cells. We determined the size and ζ potential of cationic liposomes (composed of 1,2-dioleoyl-3-(trimethylammonium) propane (DOTAP) and its mixtures with neutral lipids), and lipoplexes at different (+/-) charge ratios. As the (+/-) charge ratio of the lipoplexes decreased to (1/1), a significant reduction in ζ potential and an increase in …

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Tb Or Not Tb: Disease And The Adaptiveness Of Political Borders, Ibpp Editor Apr 1999

Tb Or Not Tb: Disease And The Adaptiveness Of Political Borders, Ibpp Editor

International Bulletin of Political Psychology

This article describes adaptive and nonadaptive aspects of political borders at the threshold of the 21st century.

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Nsu Achievements - Spring 1999, Nova Southeastern University Apr 1999

Nsu Achievements - Spring 1999, Nova Southeastern University

NSU Achievements

No abstract provided.

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Role Of Gamma Interferon In Cellular Immune Response Against Murine Encephalitozoon Cuniculi Infection, Imtiaz A. Khan, Magali Moretto Apr 1999

Role Of Gamma Interferon In Cellular Immune Response Against Murine Encephalitozoon Cuniculi Infection, Imtiaz A. Khan, Magali Moretto

Dartmouth Scholarship

Microsporidia are obligate intracellular protozoan parasites that cause a wide variety of opportunistic infection in patients with AIDS. Because it is able to grow in vitro, Encephalitozoon cuniculi is currently the best-studied microsporidian. T cells mediate protective immunity against this parasite. Splenocytes obtained from infected mice proliferate in vitro in response to irradiated parasites. A transient state of hyporesponsiveness to parasite antigen and mitogen was observed at day 17 postinfection. This downregulatory response could be partially reversed by addition of nitric oxide (NO) antagonist to the culture. Mice infected withE. cuniculi secrete significant levels of gamma interferon (IFN-γ). Treatment …

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Vital Signs, Spring 1999, Boonshoft School Of Medicine Apr 1999

Vital Signs, Spring 1999, Boonshoft School Of Medicine

Vital Signs

A twenty four page newsletter created by the Boonshoft School of Medicine to document the current affairs of the school. This issue includes a variety of feature articles, alumni profiles, class notes, and more.

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The Effect Of Illicit Drugs On The Cardiovascular And Hormonal Responses In Pregnant Rabbits, Andrea Alana Chambliss Apr 1999

The Effect Of Illicit Drugs On The Cardiovascular And Hormonal Responses In Pregnant Rabbits, Andrea Alana Chambliss

Biological Sciences Theses & Dissertations

The purpose of this study is to determine the effect of acute administration of heroin and ecgonine methyl ester (EME) on renin and atrial natriuretic peptide (ANP) secretion in time dated New Zealand White rabbits. Thirteen rabbits were studied. Arterial blood pressure and pCOz, increased significantly from a control value of 80 ± 8 mmHg and 30 ± 2 mmHg respectively to 93 ± 18 mmHg and 31 ± 1 mmHg. pO2 decreased from 99 ± 8 mmHg to 90 ± 11 mmHg 10 minutes after heroin administration. EME caused arterial blood pressure to significantly increase from a control …

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A Comparison Of The Use Of Tympanic, Axillary, And Rectal Thermometers In Infants, Russell Wilshaw, Renea L. Beckstrand, Dawn Waid, Bruce Schaallje Apr 1999

A Comparison Of The Use Of Tympanic, Axillary, And Rectal Thermometers In Infants, Russell Wilshaw, Renea L. Beckstrand, Dawn Waid, Bruce Schaallje

Faculty Publications

This study examined the relationship between three instruments used in measuring tympanic, axillary, and rectal temperatures in infants less than 1 year of age. Temperatures were measured by Oto-temp Pedi Q tympanic thermometers, Becton Dickinson axillary thermometer, and rectal thermometers. A convience sample of 5 infants less than 90 day and 54 greater than 90 days with fever, as well as 34 infants less than 90 days and 27 infants greater than 90 days without fever were studied. Correlations of infants less than 90 days and greater 90 days of age, as well as differences between infant temperature with and …

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Biological Terrorism: Is The Health Care Community Prepared?, Robin J. Strongin Feb 1999

Biological Terrorism: Is The Health Care Community Prepared?, Robin J. Strongin

National Health Policy Forum

This issue brief provides an overview of biological warfare and discusses the role of the Centers for Disease Control (CDC) and state health departments in detecting biologic agents. The brief also highlights the issue of threat assessment and discusses ways to improve the current level of preparedness as well as steps needed to convert the public health system into our best form of civil defense.

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Nucleotide Sequences For Detection Of Serpulina Hyodysenteriae, Gerald E. Duhamel, Robert Elder Feb 1999

Nucleotide Sequences For Detection Of Serpulina Hyodysenteriae, Gerald E. Duhamel, Robert Elder

School of Veterinary and Biomedical Sciences: Faculty Publications

The invention provides a method for detecting the presence of Serpulina hyodysenteriae in a biological Sample, an oligonucleotide primer and an S. hyodysenteriae-specific oligonucleotide probe useful in that method, and an article of manufacture that contains the primers and/or probe. Also provided are an about 2.3-kb DNA fragment derived from genomic DNA of S. hyodysenteriae and encoding for an about 56 kDa polypeptide, a recombinant expression vector containing the DNA fragment, the 56 kDa polypeptide and a monoclonal antibody reactive with the peptide, and a method of assaying for antibodies reactive with the 56 kDa peptide.

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Ada News - 02/08/1999, American Dental Association, Publishing Division Feb 1999

Ada News - 02/08/1999, 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.

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Genetic And Transcriptional Analyses Of The Vibrio Cholerae Mannose-Sensitive Hemagglutinin Type 4 Pilus Gene Locus, Jane W. Marsh, Ronald K. Taylor Feb 1999

Genetic And Transcriptional Analyses Of The Vibrio Cholerae Mannose-Sensitive Hemagglutinin Type 4 Pilus Gene Locus, Jane W. Marsh, Ronald K. Taylor

Dartmouth Scholarship

The mannose-sensitive hemagglutinin (MSHA) of the Vibrio cholerae O1 El Tor biotype is a member of the family of type 4 pili. Type 4 pili are found on the surface of a variety of gram-negative bacteria and have demonstrated importance as host colonization factors, bacteriophage receptors, and mediators of DNA transfer. The gene locus required for the assembly and secretion of the MSHA pilus has been localized to a 16.7-kb region of the V. cholerae chromosome. Sixteen genes required for hemagglutination, including five that encode prepilin or prepilin-like proteins, have been identified. Examination of MSHA-specific cDNAs has localized two promoters …

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Fas-Fasl Interaction Involved In Pathogenesis Of Ocular Toxoplasmosis In Mice, Mark S. Hu, Joseph D. Schwartzman, Grant R. Yeaman, Jane Collins, Rosanne Seguin, Imtiaz A. Khan, Lloyd H. Kasper Feb 1999

Fas-Fasl Interaction Involved In Pathogenesis Of Ocular Toxoplasmosis In Mice, Mark S. Hu, Joseph D. Schwartzman, Grant R. Yeaman, Jane Collins, Rosanne Seguin, Imtiaz A. Khan, Lloyd H. Kasper

Dartmouth Scholarship

Ocular toxoplasmosis is a potentially blinding intraocular inflammation. The intent of this study was to investigate the role of Fas-FasL interaction in a murine model of acquired ocular toxoplasmosis induced by intracameral inoculation of Toxoplasma gondii. Intraocular inflammation, Fas and FasL expression on lymphocytes and on ocular tissues, the occurrence of apoptosis, and the frequency of CD8+ and CD4+ T cells in the infected eyes were analyzed in C57BL/6 (B6) mice. Susceptibility to parasite-induced intraocular inflammation was observed in Fas-deficient (B6-lpr) and FasL-deficient (B6-gld) mice. Inoculation of 5,000 T. gondii tachyzoites induced significant …

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In The Affirmative, Vol.6, No.1 (Mid-January/Mid-February 1999), Mike Martin, The Aids Project Jan 1999

In The Affirmative, Vol.6, No.1 (Mid-January/Mid-February 1999), Mike Martin, The Aids Project

In the affirmative (1993-1999)

No abstract provided.

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Ada News - 01/11/1999, American Dental Association, Publishing Division Jan 1999

Ada News - 01/11/1999, 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.

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College Of Pharmacy--For The 1999 Entering Class, Nova Southeastern University Jan 1999

College Of Pharmacy--For The 1999 Entering Class, Nova Southeastern University

Health Professions Divisions Course Catalogs and Course Descriptions

No abstract provided.

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Health Professions Division Catalog Academic Year 1999-2000, Nova Southeastern University Jan 1999

Health Professions Division Catalog Academic Year 1999-2000, Nova Southeastern University

Health Professions Divisions Course Catalogs and Course Descriptions

No abstract provided.

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Common Parasites, Diseases And Injuries Of Freshwater Fishes In The Northwest Territories And Nunavut, D. B. Stewart, L. M. J. Bernier Jan 1999

Common Parasites, Diseases And Injuries Of Freshwater Fishes In The Northwest Territories And Nunavut, D. B. Stewart, L. M. J. Bernier

Zoonotics and Wildlife Disease: Publications

This booklet gives basic information on common parasites, diseases and injuries of fish harvested from fresh water in the Northwest Territories and Nunavut (Canada). It answers some of the more common questions asked by Aboriginal, domestic, sport and commercial harvesters, and by fisheries researchers. It is not an in depth treatment of fish health. Parasites that are uncommon or too small to be seen with the naked eye and diseases that are poorly known are not discussed. Relatively little research has been conducted on fish parasites in the region, less still on fish diseases and injuries.

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The Human Ehrlichioses In The United States, Jennifer H. Mcquiston, Christopher D. Paddock, Robert C. Holman, James E. Childs Jan 1999

The Human Ehrlichioses In The United States, Jennifer H. Mcquiston, Christopher D. Paddock, Robert C. Holman, James E. Childs

Zoonotics and Wildlife Disease: Publications

The emerging tick-borne zoonoses human monocytic ehrlichiosis (HME) and human granulocytic ehrlichiosis (HGE) are underreported in the United States. From 1986 through 1997, 1,223 cases (742 HME, 449 HGE, and 32 not ascribed to a specific ehrlichial agent) were reported by state health departments. HME was most commonly reported from southeastern and southcentral states, while HGE was most often reported from northeastern and upper midwestern states. The annual number of reported cases increased sharply, from 69 in 1994 to 364 in 1997, coincident with an increase in the number of states making these conditions notifiable. From 1986 through 1997, 827 …

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Long-Term Studies Of Hantavirus Reservoir Populations In The Southwestern United States: A Synthesis, James N. Mills, Thomas G. Ksiazek, C.J. Peters, James E. Childs Jan 1999

Long-Term Studies Of Hantavirus Reservoir Populations In The Southwestern United States: A Synthesis, James N. Mills, Thomas G. Ksiazek, C.J. Peters, James E. Childs

Zoonotics and Wildlife Disease: Publications

A series of intensive, longitudinal, mark-recapture studies of hantavirus infection dynamics in reservoir populations in the southwestern United States indicates consistent patterns as well as important differences among sites and host-virus associations. All studies found a higher prevalence of infection in older (particularly male) mice; one study associated wounds with seropositivity. These findings are consistent with horizontal transmission and transmission through fighting between adult male rodents. Despite very low rodent densities at some sites, low-level hantavirus infection continued, perhaps because of persistent infection in a few long-lived rodents or periodic reintroduction of virus from neighboring populations. Prevalence of hantavirus antibody …

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Diagnosis Of Human Ehrlichiosis By Pcr Assay Of Acute-Phase Serum, James A. Comer, William L. Nicholson, John W. Sumner, James G. Olson, James E. Childs Jan 1999

Diagnosis Of Human Ehrlichiosis By Pcr Assay Of Acute-Phase Serum, James A. Comer, William L. Nicholson, John W. Sumner, James G. Olson, James E. Childs

Zoonotics and Wildlife Disease: Publications

A PCR assay of 43 acute-phase serum samples was evaluated as a method for early detection of human granulocytic ehrlichiosis (HGE) and determination of etiology when serologic testing is inconclusive. Sequenceconfirmed products of the HGE agent were amplified from three individuals residing or having exposure history in Minnesota or Wisconsin, and similarly confirmed products from Ehrlichia chaffeensis were amplified from three individuals from Florida or Maryland. Etiology, as determined by PCR and serology, was the same whenever there was a fourfold difference between the maximum titers of antibodies to both antigens, indicating that presumptive determination of etiology may be based …

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Dusky-Footed Wood Rats (Neotoma Fuscipes) As Reservoirs Of Granulocytic Ehrlichiae (Rickettsiales: Ehrlichieae) In Northern California, William L. Nicholson, Martin B. Castro, Vicki L. Kramer, John W. Sumner, James E. Childs Jan 1999

Dusky-Footed Wood Rats (Neotoma Fuscipes) As Reservoirs Of Granulocytic Ehrlichiae (Rickettsiales: Ehrlichieae) In Northern California, William L. Nicholson, Martin B. Castro, Vicki L. Kramer, John W. Sumner, James E. Childs

Zoonotics and Wildlife Disease: Publications

Dusky-footed wood rats (Neotoma fuscipes) and Peromyscus sp. mice (P. maniculatus and P. truei) were collected from one site in Placer County, one site in Santa Cruz County, and two sites in Sonoma County in northern California. Serum or plasma samples from 260 rodents were tested for antibodies to the agent of human granulocytic ehrlichiosis. Of these, samples from 25 wood rats (34% of those tested) and 10 (8%) Peromyscus sp. mice were found to be seropositive, but only those from one site. PCR assays targeting the groESL heat shock operon were conducted on all seropositive …

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Outcome Of Diagnostic Tests Using Samples From Patients With Culture-Proven Human Monocytic Ehrlichiosis: Implications For Surveillance, James E. Childs, John W. Sumner, William L. Nicholson, Robert F. Massung, Steven M. Standaert, Christopher D. Paddock Jan 1999

Outcome Of Diagnostic Tests Using Samples From Patients With Culture-Proven Human Monocytic Ehrlichiosis: Implications For Surveillance, James E. Childs, John W. Sumner, William L. Nicholson, Robert F. Massung, Steven M. Standaert, Christopher D. Paddock

Zoonotics and Wildlife Disease: Publications

We describe the concordance among results from various laboratory tests using samples derived from nine culture-proven cases of human monocytic ehrlichiosis (HME) caused by Ehrlichia chaffeensis. A class-specific indirect immunofluorescence assay for immunoglobulin M (IgM) and IgG, using E. chaffeensis antigen, identified 44 and 33% of the isolation-confirmed HME patients on the basis of samples obtained at initial clinical presentation, respectively; detection of morulae in blood smears was similarly insensitive (22% positive). PCR amplifications of ehrlichial DNA targeting the 16S rRNA gene, the variable-length PCR target gene, and the groESL operon were positive for whole blood specimens obtained …

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Hidden Mortality Attributable To Rocky Mountain Spotted Fever: Immunohistochemical Detection Of Fatal, Serologically Unconfirmed Disease, James E. Childs, Patricia W. Greer, Tara L. Ferebee, Joseph Singleton Jr., Don B. Mckechnie, Tracee A. Treadwell, John W. Krebs, Matthew J. Clarke, Robert C. Holman, James G. Olson, Christopher D. Paddock, Sherif R. Zaki Jan 1999

Hidden Mortality Attributable To Rocky Mountain Spotted Fever: Immunohistochemical Detection Of Fatal, Serologically Unconfirmed Disease, James E. Childs, Patricia W. Greer, Tara L. Ferebee, Joseph Singleton Jr., Don B. Mckechnie, Tracee A. Treadwell, John W. Krebs, Matthew J. Clarke, Robert C. Holman, James G. Olson, Christopher D. Paddock, Sherif R. Zaki

Zoonotics and Wildlife Disease: Publications

Rocky Mountain spotted fever (RMSF) is the most severe tickborne infection in the United States and is a nationally notifiable disease. Since 1981, the annual case-fatality ratio for RMSF has been determined from laboratory-confirmed cases reported to the Centers for Disease Control and Prevention (CDC). Herein, a description is given of patients with fatal, serologically unconfirmed RMSF for whom a diagnosis of RMSF was established by immunohistochemical (IHC) staining of tissues obtained at autopsy. During 1996-1997, acute-phase serum and tissue samples from patients with fatal disease compatible with RMSF were tested at the CDC. As determined by indirect immunofluorescence assay, …

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Search For The Ebola Virus Reservoir In Kikwit, Democratic Republic Of The Congo: Reflections On A Vertebrate Collection, Herwig Leirs, James N. Mills, John W. Krebs, James E. Childs, Dudu Akaibe, Neal Woollen, George Ludwig, Clarence J. Peters, Thomas G. Ksiazek Jan 1999

Search For The Ebola Virus Reservoir In Kikwit, Democratic Republic Of The Congo: Reflections On A Vertebrate Collection, Herwig Leirs, James N. Mills, John W. Krebs, James E. Childs, Dudu Akaibe, Neal Woollen, George Ludwig, Clarence J. Peters, Thomas G. Ksiazek

Zoonotics and Wildlife Disease: Publications

A 3-month ecologic investigation was done to identify the reservoir of Ebola virus following the 1995 outbreak in Kikwit, Democratic Republic of the Congo. Efforts focused on the fields where the putative primary case had worked but included other habitats near Kikwit. Samples were collected from 3066 vertebrates and tested for the presence of antibodies to Ebola (subtype Zaire) virus: All tests were negative, and attempts to isolate Ebola virus were unsuccessful. The investigation was hampered by a lack of information beyond the daily activities of the primary case, a lack of information on Ebola virus ecology, which precluded the …

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Population Dynamics Of A Naturally Occurring Heterogeneous Mixture Of Borrelia Burgdorferi Clones, Erick K. Hofmeister, Gregory E. Glass, James E. Childs, David H. Persing Jan 1999

Population Dynamics Of A Naturally Occurring Heterogeneous Mixture Of Borrelia Burgdorferi Clones, Erick K. Hofmeister, Gregory E. Glass, James E. Childs, David H. Persing

Zoonotics and Wildlife Disease: Publications

Two unique isolates of Borrelia burgdorferi, differing in plasmid content and outer surface protein C expression, were cultured on sequential captures of a single free-living Peromyscus leucopus mouse and were examined for differences in transmissibility. Both isolates were transmissible from inoculated C.B-17 mice to larval Ixodes scapularis ticks and, subsequently, from infected nymphal ticks to C3H/HeJ mice. Plasmid and protein analyses suggested that the original isolates were a mixed population of B. burgdorferi, and cloning by limiting dilution resulted in the identification of two clonal groups. In addition to being heterogeneous in plasmid and genomic macrorestriction analyses, the …

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Isolation Of A New Subspecies, Bartonella Vinsonii Subsp. Arupensis, From A Cattle Rancher: Identity With Isolates Found In Conjunction With Borrelia Burgdorferi And Babesia Microti Among Naturally Infected Mice, David F. Welch, Karen C. Carroll, Erick K. Hofmeister, David H. Persing, Denise A. Robison, Arnold G. Steigerwalt, Don J. Brenner Jan 1999

Isolation Of A New Subspecies, Bartonella Vinsonii Subsp. Arupensis, From A Cattle Rancher: Identity With Isolates Found In Conjunction With Borrelia Burgdorferi And Babesia Microti Among Naturally Infected Mice, David F. Welch, Karen C. Carroll, Erick K. Hofmeister, David H. Persing, Denise A. Robison, Arnold G. Steigerwalt, Don J. Brenner

Zoonotics and Wildlife Disease: Publications

Bacteremia with fever due to a novel subspecies of Bartonella vinsonii was found in a cattle rancher. The subspecies shared major characteristics of the genus Bartonella in terms of most biochemical features and cellular fatty acid profile, but it was distinguishable from other subspecies of B. vinsonii by good growth on heart infusion agar supplemented with X factor and by its pattern of enzymatic hydrolysis of peptide substrates. DNA relatedness studies verified that the isolate belonged to the genus Bartonella and that it was genotypically related to B. vinsonii. The highest level of relatedness was observed with recently characterized …

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Oral Transmission And Early Lymphoid Tropism Of Chronic Wasting Disease PrpRes In Mule Deer Fawns (Odocoileus Hemionus), Christina J. Sigurdson, Elizabeth S. Williams, Michael W. Miller, Terry R. Spraker, Katherine I. O'Rourke, Edward A. Hoover Jan 1999

Oral Transmission And Early Lymphoid Tropism Of Chronic Wasting Disease PrpRes In Mule Deer Fawns (Odocoileus Hemionus), Christina J. Sigurdson, Elizabeth S. Williams, Michael W. Miller, Terry R. Spraker, Katherine I. O'Rourke, Edward A. Hoover

Zoonotics and Wildlife Disease: Publications

Mule deer fawns (Odocoileus hemionus) were inoculated orally with a brain homogenate prepared from mule deer with naturally occurring chronic wasting disease (CWD), a prion-induced transmissible spongiform encephalopathy. Fawns were necropsied and examined for PrPres, the abnormal prion protein isoform, at 10, 42, 53, 77, 78 and 80 days post-inoculation (p.i.) using an immunohistochemistry assay modified to enhance sensitivity. PrPres was detected in alimentarytract- associated lymphoid tissues (one or more of the following: retropharyngeal lymph node, tonsil, Peyer’s patch and ileocaecal lymph node) as early as 42 days p.i. and in all fawns examined thereafter …

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Prp Genotypes Of Captive And Free-Ranging Rocky Mountain Elk (Cervus Elaphus Nelsoni) With Chronic Wasting Disease, Katherine I. O'Rourke, T. E. Besser, M. W. Miller, T. F. Cline, T. R. Spraker, A. L. Jenny, M. A. Wild, G. L. Zebarth Jan 1999

Prp Genotypes Of Captive And Free-Ranging Rocky Mountain Elk (Cervus Elaphus Nelsoni) With Chronic Wasting Disease, Katherine I. O'Rourke, T. E. Besser, M. W. Miller, T. F. Cline, T. R. Spraker, A. L. Jenny, M. A. Wild, G. L. Zebarth

Zoonotics and Wildlife Disease: Publications

The PrP gene encodes the putative causative agent of the transmissible spongiform encephalopathies (TSEs), a heterogeneous group of fatal, neurodegenerative disorders including human Creutzfeldt–Jakob disease, bovine spongiform encephalopathy, ovine scrapie and chronic wasting disease (CWD) of North American deer and elk. Polymorphisms in the PrP gene are associated with variations in relative susceptibility, pathological lesion patterns, incubation times and clinical course of TSEs of humans, mice and sheep. Sequence analysis of the PrP gene from Rocky Mountain elk showed only one amino acid change (Met to Leu at cervid codon 132). Homozygosity for Met at the corresponding polymorphic site (Met …

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