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Articles 7171 - 7191 of 7191
Full-Text Articles in Life Sciences
Faster Femoral Artery Blood Velocity Kinetics At The Onset Of Exercise Following Short-Term Training., J K Shoemaker, S M Phillips, H J Green, R L Hughson
Faster Femoral Artery Blood Velocity Kinetics At The Onset Of Exercise Following Short-Term Training., J K Shoemaker, S M Phillips, H J Green, R L Hughson
Kinesiology Publications
OBJECTIVE: The hypothesis that the adaptation to endurance exercise training included a faster increase in blood flow at the onset of exercise was tested in 12 healthy young men who endurance-trained (ET) 2 h/day, for 10 days at 65% VO2 peak on a cycle ergometer, and in 11 non-training control (C) subjects.
METHODS: Blood flow was estimated from changes in femoral artery mean blood velocity (MBV) by pulsed Doppler. Beat-by-beat changes in cardiac output (CO) and mean arterial pressure (MAP) were obtained by impedance cardiography and a Finapres finger cuff, respectively. MBV, MAP and CO were measured at rest and …
Myasthenia Gravis-Like Syndrome Induced By Expression Of Interferon Gamma In The Neuromuscular Junction., Danling Gu, Lise Wogensen, Nigel A. Calcutt, Chunyao Xia, Simin Zhu, John P. Merlie, Howard S. Fox, Jon Lindstrom, Henry C. Powell, Nora Sarvetnick
Myasthenia Gravis-Like Syndrome Induced By Expression Of Interferon Gamma In The Neuromuscular Junction., Danling Gu, Lise Wogensen, Nigel A. Calcutt, Chunyao Xia, Simin Zhu, John P. Merlie, Howard S. Fox, Jon Lindstrom, Henry C. Powell, Nora Sarvetnick
Journal Articles: Regenerative Medicine
Abnormal humoral responses toward motor end plate constituents in muscle induce myasthenia gravis (MG). To study the etiology of this disease, and whether it could be induced by host defense molecules, we examined the consequences of interferon (IFN) gamma production within the neuromuscular junction of transgenic mice. The transgenic mice exhibited gradually increasing muscular weakness, flaccid paralysis, and functional disruption of the neuromuscular junction that was reversed after administration of an inhibitor of acetylcholinesterase, features which are strikingly similar to human MG. Furthermore, histological examination revealed infiltration of mononuclear cells and autoantibody deposition at motor end plates. Immunoprecipitation analysis indicated …
Estimation Of The Incidence Of A Rare Genetic Disease Through A Two-Tier Mutation Survey, R Chakraborty, M R Srinivasan, S Raskin
Estimation Of The Incidence Of A Rare Genetic Disease Through A Two-Tier Mutation Survey, R Chakraborty, M R Srinivasan, S Raskin
Faculty, Staff and Student Publications
Recent attempts to detect mutations involving single base changes or small deletions that are specific to genetic diseases provide an opportunity to develop a two-tier mutation-screening program through which incidence of rare genetic disorders and gene carriers may be precisely estimated. A two-tier survey consists of mutation screening in a sample of patients with specific genetic disorders and in a second sample of newborns from the same population in which mutation frequency is evaluated. We provide the statistical basis for evaluating the incidence of affected and gene carriers in such two-tier mutation-screening surveys, from which the precision of the estimates …
Can An Anesthesia Machine Flush Valve Provide For Effective Jet Ventilation?, S D Gaughan, J L Benumof, G T Ozaki
Can An Anesthesia Machine Flush Valve Provide For Effective Jet Ventilation?, S D Gaughan, J L Benumof, G T Ozaki
Faculty, Staff and Student Publications
Transtracheal jet ventilation (TTJV) using a percutaneously inserted intravenous (IV) catheter for the patient who cannot be ventilated or tracheally intubated or, using a jet stylet for changing endotracheal tubes (ETT) in patients for whom subsequent ventilation and/or tracheal reintubation may be difficult, are extremely valuable therapeutic options. The jet ventilation system must have a sufficiently high pressure-oxygen source to drive oxygen through noncompliant tubing and through relatively small IV catheters and/or jet stylets in order to achieve adequate ventilation and oxygenation. There is no evidence that using the common gas outlet of an anesthesia machine by activating the flush …
Plasma Total Glutathione In Humans And Its Association With Demographic And Health-Related Factors, Elaine W. Flagg, Ralph J. Coates, J. William Eley, Raymond S. Greenberg, Dean P. P. Jones, Elaine W. Gunter, Bethany Jackson
Plasma Total Glutathione In Humans And Its Association With Demographic And Health-Related Factors, Elaine W. Flagg, Ralph J. Coates, J. William Eley, Raymond S. Greenberg, Dean P. P. Jones, Elaine W. Gunter, Bethany Jackson
Faculty Publications
The tripeptide glutathione is proposed to be protective against a number of chronic diseases including cardiovascular disease and cancer. However, there have been few studies of plasma glutathione levels in humans and in those studies the numbers of participants have been very small. In an exploratory analysis the determinants of plasma total glutathione (GSHt) were investigated in a group of 100 volunteers aged 18–61 years in Atlanta, Georgia, USA during June and July 1989. Data on demographic and health-related factors were collected by interview and plasma GSHt was measured using a recently modified laboratory method. The mean concentration of plasma …
Mp92-64 The Stable Fly: A Pest Of Humans And Domestic Animals, Gustave D. Thomas, Steven R. Skoda
Mp92-64 The Stable Fly: A Pest Of Humans And Domestic Animals, Gustave D. Thomas, Steven R. Skoda
University of Nebraska-Lincoln Extension: Historical Materials
Many species of flies are pests. Many people, if you were to ask them about flies, would be at least vaguely aware of the potential to flies to transmit disease organisms. But yet, for the most part, a fly is a fly is a fly. Sayings like "It must be about to rain, the house flies are biting" are still common and show a general need for more, readily accessible information, particularly about some of the pest flies.
Stable flies, obligate blood-feeders, are very important pests to the cattle industry and, at times, are pests to other groups (they're most …
G92-1106 Controlling Rats, Scott E. Hygnstrom, Dallas R. Virchow
G92-1106 Controlling Rats, Scott E. Hygnstrom, Dallas R. Virchow
University of Nebraska-Lincoln Extension: Historical Materials
Ways to recognize rat problems and control rats are covered here.
The Norway rat (Rattus norvegicus) (also known as the common brown rat) is a destructive pest. Found in and around towns and farms throughout Nebraska, these rodents eat and contaminate large amounts of feed, damage structures by their gnawing and burrowing, and spread diseases that affect livestock and humans.
Statistical Interpretation Of Dna Typing Data, R Chakraborty
Statistical Interpretation Of Dna Typing Data, R Chakraborty
Faculty, Staff and Student Publications
No abstract provided.
Inclusion Of Data On Relatives For Estimation Of Allele Frequencies, R Chakraborty
Inclusion Of Data On Relatives For Estimation Of Allele Frequencies, R Chakraborty
Faculty, Staff and Student Publications
No abstract provided.
Ec90-2502 Perspectives On Nitrates, Gary W. Hergert, Richard A. Wiese, Delynn Hay, William A. Lee, Ann Ziebarth, Richard B. Davis, Constance Kies, Carolyn Bednar, Norman Schneider, Alex Hogg, Robert A. Britton, J. David Aiken
Ec90-2502 Perspectives On Nitrates, Gary W. Hergert, Richard A. Wiese, Delynn Hay, William A. Lee, Ann Ziebarth, Richard B. Davis, Constance Kies, Carolyn Bednar, Norman Schneider, Alex Hogg, Robert A. Britton, J. David Aiken
University of Nebraska-Lincoln Extension: Historical Materials
The potential adverse consequences of nitrate on both human and animal health has long been recognized. This extension circular is comprised of six papers that include:
• Nitrogen in our Environment
• Alternatives When Excessive Nitrate is Present in Drinking Water
• Nitrates, Nutrites and Methemoglobinemia
• Nitrates, Nutrities, N-Nitroso Compounds and Nutrition
• Excessive Nitrate/Nitrite Exposure: Nitrate Poisoning and Related Animal Health Effects
• Nitrates and Ground Water Quality Protection Policies
Effects Of Methylene Chloride On Immune Function In Mice And The In Vitro Effect Of Methylene Chloride In Immunologic Assays, Man-Ping Wang
Effects Of Methylene Chloride On Immune Function In Mice And The In Vitro Effect Of Methylene Chloride In Immunologic Assays, Man-Ping Wang
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
A number of toxicities associated with methylene chloride have been found in both human subjects and mice. However, relatively few studies have probed immunotoxicities of methylene chloride. In order to examine possible immunotoxicities or immunomodulating effects of methylene chloride, several tests of cellular immune function were performed using both human in in vitro studies and a mouse model.
Body weights and specific organ weights of thymus, spleen, liver, and kidney were normal in CD-1 mice given various concentrations of methylenechloride. However, a significantly reduced mitogenic response to phytohemagglutinin (PHA} and reduced interleukin-2 (IL-2} production was found in these methylene-chloride-treated mice. …
Population Amalgamation And Genetic Variation: Observations On Artificially Agglomerated Tribal Populations Of Central And South America, R Chakraborty, P E Smouse, J V Neel
Population Amalgamation And Genetic Variation: Observations On Artificially Agglomerated Tribal Populations Of Central And South America, R Chakraborty, P E Smouse, J V Neel
Faculty, Staff and Student Publications
The interpretation of data on genetic variation with regard to the relative roles of different evolutionary factors that produce and maintain genetic variation depends critically on our assumptions concerning effective population size and the level of migration between neighboring populations. In humans, recent population growth and movements of specific ethnic groups across wide geographic areas mean that any theory based on assumptions of constant population size and absence of substructure is generally untenable. We examine the effects of population subdivision on the pattern of protein genetic variation in a total sample drawn from an artificial agglomerate of 12 tribal populations …
G86-790 Fumigating Farm-Stored Grain With Aluminum Phosphide (Revised May 1998), Clyde Ogg, David L. Keith
G86-790 Fumigating Farm-Stored Grain With Aluminum Phosphide (Revised May 1998), Clyde Ogg, David L. Keith
University of Nebraska-Lincoln Extension: Historical Materials
This NebGuide provides step-by-step instructions for fumigating stored grain on the farm with aluminum phosphide.
Fumigants act on all insect life stages. They control pests by diffusing through the air spaces between grain kernels as well as into the kernel itself. Fumigants are able to penetrate into places that are inaccessible to insecticide sprays or dusts.
Regardless of formulation, all fumigants are poisonous and toxic to humans and other warm-blooded animals as well as to insects and other pests. Because fumigant chemicals are highly toxic and hazardous to use, they are Restricted Use pesticides. They can only be used by …
Genetics And Epidemiology Of Gallbladder Disease In New World Native Peoples, K M Weiss, R E Ferrell, C L Hanis, P N Styne
Genetics And Epidemiology Of Gallbladder Disease In New World Native Peoples, K M Weiss, R E Ferrell, C L Hanis, P N Styne
Faculty, Staff and Student Publications
Native peoples of the New World, including Amerindians and admixed Latin Americans such as Mexican-Americans, are highly susceptible to diseases of the gallbladder. These include cholesterol cholelithiasis (gallstones) and its complications, as well as cancer of the gallbladder. Although there is clearly some necessary dietary or other environmental risk factor involved, the pattern of disease prevalence is geographically associated with the distribution of genes of aboriginal Amerindian origin, and levels of risk generally correspond to the degree of Amerindian admixture. This pattern differs from that generally associated with Westernization, which suggests a gene-environment interaction, and that within an admixed population …
G84-717 Fleas And Their Management (Revised January 1993), Shripat T. Kamble, David L. Keith
G84-717 Fleas And Their Management (Revised January 1993), Shripat T. Kamble, David L. Keith
University of Nebraska-Lincoln Extension: Historical Materials
This NebGuide provides information on flea biology and how to solve flea problems.
Fleas are among the most annoying pests known to humans. In ancient times, fleas were even indicted, found guilty and sentenced to condemnation. Today, the verdict remains the same.
In Nebraska, fleas are common household pests attacking dogs, cats and sometimes people. In addition to these, several other flea species occur in Nebraska, feeding principally on rodents and occasionally on poultry and livestock. The information provided in this publication will focus primarily on cat and dog fleas, as they are the most commonly encountered species.
Recombinant Immune Interferon Increases Immunoglobulin G Fc Receptors On Cultured Human Mononuclear Phagocytes, Paul M. Guyre, Peter M. Morganelli, Renee Miller
Recombinant Immune Interferon Increases Immunoglobulin G Fc Receptors On Cultured Human Mononuclear Phagocytes, Paul M. Guyre, Peter M. Morganelli, Renee Miller
Dartmouth Scholarship
Although recent studies suggest that interferons can increase the number of IgG Fc receptor (FcR gamma) sites on mouse macrophages, direct assessment of similar effects on human mononuclear phagocytes is lacking. We therefore measured the specific binding of 125I- and fluorescein-labeled IgG1 to human monocytes and leukemic cell lines after culture in vitro with highly purified human interferons. We report that natural and recombinant human gamma-interferon causes a dramatic (nearly 10-fold) increase in the number of FcR gamma on normal human monocytes and on the human cell lines HL-60 and U-937. Alpha and beta-interferons cause a modest but significant increase …
Monoclonal Antibodies To Novel Myeloid Antigens Reveal Human Neutrophil Heterogeneity., Edward D. Ball, Robert F. Graziano, Li Shen, Michael W. Fanger
Monoclonal Antibodies To Novel Myeloid Antigens Reveal Human Neutrophil Heterogeneity., Edward D. Ball, Robert F. Graziano, Li Shen, Michael W. Fanger
Dartmouth Scholarship
Three cytotoxic murine monoclonal antibodies that recognize myeloid-specific antigens have been produced by immunization with normal human neutrophils or myeloblasts from a patient with acute myelomonocytic leukemia. Two of these, PMN 6 and PMN 29, are specific for neutrophils; the third monoclonal antibody, AML-2-23, is reactive with the majority of normal monocytes as well as a subpopulation of mature neutrophils. Although neutrophils from all individuals tested expressed these antigens, cytofluorographic analysis revealed that the percentage of cells bearing the PMN 6 and AML-2-23 antigens varied among individuals. Significant additional heterogeneity in the density of each antigen among antigen-bearing cells was …
Adaptive Changes Of Some Enzyme Activities In Rats And Humans To Dietary Protein, Jung Ja Kim
Adaptive Changes Of Some Enzyme Activities In Rats And Humans To Dietary Protein, Jung Ja Kim
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
A study of the adaptive changes of some enzyme activities to the dietary protein intake was made in the liver, kidney, and pancreas of rats and serum of humans.
The rats fed the 40 per cent casein diet had a higher rate of weight gain and the weights of the liver and kidney were higher than in the rats fed the 10 per cent casein diet.
Three enzymes involved in the elimination of excess nitrogen from the body were found to show a similar response to increased dietary protein intake. These enzymes were: D-amino acid oxidase in the kidneys, arginase …
A New Surgical Approach For Vagotomy, Diaphragmatic Herniotomy, Splenectomy, And Operations Upon The Gastro-Esophageal Area Through The Left Sub-Diaphragmatic Extraperitoneal Space, H. A. Davis
Medical Arts and Sciences: A Scientific Journal of the College of Medical Evangelists
No abstract provided.
The Incidence Of Avian Tuberculosis In Mammals Other Than Swine, L. Van Es, H. M. Martin
The Incidence Of Avian Tuberculosis In Mammals Other Than Swine, L. Van Es, H. M. Martin
Nebraska Agricultural Experiment Station: Historical Research Bulletins
The recognition of a very widespread and intense distribution of avian tuberculosis on the farms of a wide area of the United States, as well as the involvement of a mammalian species also, brought to the foreground the question whether or not the great prevalence of poultry tuberculosis could be of importance also from a public health point of view. This phase of the problem not only pertains to the people on the farms but likewise is of fundamental importance to the consumers of poultry produce. European authors had already identified the avian tubercle bacillus in human lesions while in …
Studies On The Ascaris Lumbricoides, H. M. Martin
Studies On The Ascaris Lumbricoides, H. M. Martin
Nebraska Agricultural Experiment Station: Historical Research Bulletins
The Ascaris lumbricoides, in one phase or another, has attracted the attention of parasitologists for many years, and during the last decade this parasite has been studied by a large number of investigators. The recent observations have been, to a great extent, directed along one line, the study of its life history. These investigators have established two important points: (a) That the life history of Ascaris is more complex than was supposed, as it has been found that a vasculo-pulmonary circuit of the larvae is necessary before they settle down in the intestine, where they develop to the adult …