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ILAR Journal

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https://www.readbyqxmd.com/read/29474707/immune-relevant-models-for-ocular-inflammatory-diseases
#1
Brian C Gilger
Ocular inflammatory diseases, such as dry eye and uveitis, are common, painful, difficult to treat, and may result in vision loss or blindness. Ocular side effects from the use of antiinflammatory drugs (such as corticosteroids or nonsteroidal antiinflammatories) to treat ocular inflammation have prompted development of more specific and safer medications to treat inflammatory and immune-mediated diseases of the eye. To assess the efficacy and safety of these new therapeutics, appropriate immune-relevant animal models of ocular inflammation are needed...
February 21, 2018: ILAR Journal
https://www.readbyqxmd.com/read/29635404/species-identity-supersedes-the-dilution-effect-concerning-hantavirus-prevalence-at-sites-across-texas-and-m%C3%A3-xico
#2
Matthew T Milholland, Iván Castro-Arellano, Elizabeth Arellano, Elizabeth Nava-García, Guadalupe Rangel-Altamirano, Francisco X Gonzalez-Cozatl, Gerardo Suzán, Tony Schountz, Shiara González-Padrón, Ana Vigueras, André V Rubio, Troy J Maikis, Bradford J Westrich, Jose A Martinez, Maria D Esteve-Gassent, Madison Torres, Erick R Rodriguez-Ruiz, Dittmar Hahn, Thomas E Lacher
Recent models suggest a relationship exists between community diversity and pathogen prevalence, the proportion of individuals in a population that are infected by a pathogen, with most inferences tied to assemblage structure. Two contrasting outcomes of this relationship have been proposed: the "dilution effect" and the "amplification effect." Small mammal assemblage structure in disturbed habitats often differs from assemblages in sylvan environments, and hantavirus prevalence is often negatively correlated with habitats containing high species diversity via dilution effect dynamics...
December 15, 2017: ILAR Journal
https://www.readbyqxmd.com/read/29408958/erratum
#3
(no author information available yet)
No abstract text is available yet for this article.
December 15, 2017: ILAR Journal
https://www.readbyqxmd.com/read/29253158/the-impact-of-global-environmental-changes-on-infectious-disease-emergence-with-a-focus-on-risks-for-brazil
#4
Alessandra Nava, Juliana Suieko Shimabukuro, Aleksei A Chmura, Sérgio Luiz Bessa Luz
Environmental changes have a huge impact on the emergence and reemergence of certain infectious diseases, mostly in countries with high biodiversity and serious unresolved environmental, social, and economic issues. This article summarizes the most important findings with special attention to Brazil and diseases of present public health importance in the country such as Chikungunya, dengue fever, yellow fever, Zika, hantavirus pulmonary syndrome, leptospirosis, leishmaniasis, and Chagas disease. An extensive literature review revealed a relationship between infectious diseases outbreaks and climate change events (El Niño, La Niña, heatwaves, droughts, floods, increased temperature, higher rainfall, and others) or environmental changes (habitat fragmentation, deforestation, urbanization, bushmeat consumption, and others)...
December 15, 2017: ILAR Journal
https://www.readbyqxmd.com/read/29253148/changing-patterns-of-emerging-zoonotic-diseases-in-wildlife-domestic-animals-and-humans-linked-to-biodiversity-loss-and-globalization
#5
A Alonso Aguirre
The fundamental human threats to biodiversity including habitat destruction, globalization, and species loss have led to ecosystem disruptions altering infectious disease transmission patterns, the accumulation of toxic pollutants, and the invasion of alien species and pathogens. To top it all, the profound role of climate change on many ecological processes has affected the inability of many species to adapt to these relatively rapid changes. This special issue, "Zoonotic Disease Ecology: Effects on Humans, Domestic Animals and Wildlife," explores the complex interactions of emerging infectious diseases across taxa linked to many of these anthropogenic and environmental drivers...
December 15, 2017: ILAR Journal
https://www.readbyqxmd.com/read/29253273/nonhuman-primates-and-translational-research-progress-opportunities-and-challenges
#6
John D Harding
Nonhuman primates (NHPs) are the closest animal models to humans regarding genetics, physiology and behavior. Therefore, NHPs are usually a critical component in translational research projects aimed at developing therapeutics, vaccines, devices or other interventions aimed at preventing, curing or ameliorating human disease. NHPs are often used in conjunction with other animal models, such as rodents, and results obtained using NHPs must often be used as the final criterion for establishing the potential efficacy of a pharmaceutical or vaccine before transition to human clinical trails...
December 1, 2017: ILAR Journal
https://www.readbyqxmd.com/read/29228218/nonhuman-primate-models-and-understanding-the-pathogenesis-of-hiv-infection-and-aids
#7
Ronald S Veazey, Andrew A Lackner
Research using nonhuman primates (NHPs) as models for human immunodeficiency virus (HIV) infection and acquired immunodeficiency syndrome (AIDS) has resulted in tremendous achievements not only in the prevention and treatment of HIV, but also in biomedical research more broadly. Once considered a death sentence, HIV infection is now fairly well controlled with combination antiretroviral treatments, almost all of which were first tested for efficacy and safety in nonhuman primates or other laboratory animals...
December 1, 2017: ILAR Journal
https://www.readbyqxmd.com/read/29216343/nonhuman-primate-models-of-respiratory-disease-past-present-and-future
#8
Lisa A Miller, Christopher M Royer, Kent E Pinkerton, Edward S Schelegle
The respiratory system consists of an integrated network of organs and structures that primarily function for gas exchange. In mammals, oxygen and carbon dioxide are transmitted through a complex respiratory tract, consisting of the nasal passages, pharynx, larynx, and lung. Exposure to ambient air throughout the lifespan imposes vulnerability of the respiratory system to environmental challenges that can contribute toward development of disease. The importance of the respiratory system to human health is supported by statistics from the Centers for Disease Control and Prevention; in 2015, chronic lower respiratory diseases were the third leading cause of death in the United States...
December 1, 2017: ILAR Journal
https://www.readbyqxmd.com/read/29216341/use-and-importance-of-nonhuman-primates-in-metabolic-disease-research-current-state-of-the-field
#9
Peter J Havel, Paul Kievit, Anthony G Comuzzie, Andrew A Bremer
Obesity and its multiple metabolic sequelae, including type 2 diabetes, cardiovascular disease, and fatty liver disease, are becoming increasingly widespread in both the developed and developing world. There is an urgent need to identify new approaches for the prevention and treatment of these costly and prevalent metabolic conditions. Accomplishing this will require the use of appropriate animal models for preclinical and translational investigations in metabolic disease research. Although studies in rodent models are often useful for target/pathway identification and testing hypotheses, there are important differences in metabolic physiology between rodents and primates, and experimental findings in rodent models have often failed to be successfully translated into new, clinically useful therapeutic modalities in humans...
December 1, 2017: ILAR Journal
https://www.readbyqxmd.com/read/29045731/the-chimpanzee-model-of-viral-hepatitis-advances-in-understanding-the-immune-response-and-treatment-of-viral-hepatitis
#10
Robert E Lanford, Christopher M Walker, Stanley M Lemon
Chimpanzees (Pan troglodytes) have contributed to diverse fields of biomedical research due to their close genetic relationship to humans and in many instances due to the lack of any other animal model. This review focuses on the contributions of the chimpanzee model to research on hepatitis viruses where chimpanzees represented the only animal model (hepatitis B and C) or the most appropriate animal model (hepatitis A). Research with chimpanzees led to the development of vaccines for HAV and HBV that are used worldwide to protect hundreds of millions from these diseases and, where fully implemented, have provided immunity for entire generations...
December 1, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28985395/nonhuman-primates-and-translational-research-cardiovascular-disease
#11
Laura A Cox, Michael Olivier, Kimberly Spradling-Reeves, Genesio M Karere, Anthony G Comuzzie, John L VandeBerg
Cardiovascular disease (CVD) is the leading cause of morbidity and mortality in the United States. Human epidemiological studies provide challenges for understanding mechanisms that regulate initiation and progression of CVD due to variation in lifestyle, diet, and other environmental factors. Studies describing metabolic and physiologic aspects of CVD, and those investigating genetic and epigenetic mechanisms influencing CVD initiation and progression, have been conducted in multiple Old World nonhuman primate (NHP) species...
December 1, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28985333/nonhuman-primate-models-of-neurodegenerative-disorders
#12
Marina E Emborg
Alzheimer's (AD), Huntington's (HD), and Parkinson's (PD) disease are age-related neurodegenerative disorders characterized by progressive neuronal cell death. Although each disease has particular pathologies and symptoms, accumulated evidence points to similar mechanisms of neurodegeneration, including inflammation, oxidative stress, and protein aggregation. A significant body of research is ongoing to understand how these pathways affect each other and what ultimately triggers the onset of the disease. Experiments in nonhuman primates (NHPs) account for only 5% of all research in animals...
December 1, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28985318/nonhuman-primates-a-vital-model-for-basic-and-applied-research-on-female-reproduction-prenatal-development-and-women-s-health
#13
Richard L Stouffer, Teresa K Woodruff
The comparative biology of reproduction and development in mammalian species is remarkable. Hence, because of similarities in environmental and neuroendocrine control of the reproductive axis, the cyclic function of the ovary and reproductive tract, establishment and control of the maternal-fetal-placental unit during pregnancy, and reproductive aging from puberty through menopause, nonhuman primates (NHPs) are valuable models for research related to women's reproductive health and its disorders. This chapter provides examples of research over the past 10+ years using Old World monkeys (notably macaque species), baboons, and to a lesser extent New World monkeys (especially marmosets) that contributed to our understanding of the etiology and therapies or prevention of: (1) ovarian disorders, e...
December 1, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28575319/translational-research-in-the-nonhuman-primate-model-of-tuberculosis
#14
Taylor W Foreman, Smriti Mehra, Andrew A Lackner, Deepak Kaushal
Infection with Mycobacterium tuberculosis predominantly establishes subclinical latent infection over the lifetime of an individual, with a fraction of infected individuals rapidly progressing to active disease. The immune control in latent infection can be perturbed by comorbidities such as diabetes mellitus, obesity, smoking, and coinfection with helminthes or HIV. Modeling the varying aspects of natural infection remains incomplete when using zebrafish and mice. However, the nonhuman primate model of tuberculosis offers a unique and accurate model to investigate host responses to infection, test novel therapeutics, and thoroughly assess preclinical vaccine candidates...
December 1, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28575309/nonhuman-primate-studies-to-advance-vision-science-and-prevent-blindness
#15
Michael J Mustari
Most primate behavior is dependent on high acuity vision. Optimal visual performance in primates depends heavily upon frontally placed eyes, retinal specializations, and binocular vision. To see an object clearly its image must be placed on or near the fovea of each eye. The oculomotor system is responsible for maintaining precise eye alignment during fixation and generating eye movements to track moving targets. The visual system of nonhuman primates has a similar anatomical organization and functional capability to that of humans...
December 1, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28531265/utility-of-nonhuman-primates-in-substance-use-disorders-research
#16
Matthew L Banks, Paul W Czoty, Sidney S Negus
Substance use disorders (i.e., drug addiction) constitute a global and insidious public health issue. Preclinical biomedical research has been invaluable in elucidating the environmental, biological, and pharmacological determinants of drug abuse and in the process of developing innovative pharmacological and behavioral treatment strategies. For more than 70 years, nonhuman primates have been utilized as research subjects in biomedical research related to drug addiction. There are already several excellent published reviews highlighting species differences in both pharmacodynamics and pharmacokinetics between rodents and nonhuman primates in preclinical substance abuse research...
December 1, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28472500/naturally-occurring-nonhuman-primate-models-of-psychosocial-processes
#17
John P Capitanio
Human research into psychological processes such as anxiety, depression, or loneliness typically involves accruing cases in which the phenomenon of interest is naturally occurring, and then comparing such a sample with control cases. In contrast, animal research designed to model similar processes to test mechanistic hypotheses typically involves inducing the phenomenon of interest via some exogenously (i.e., human) administered procedure. In the present review, the author proposes that naturally occurring animal models can complement induced models in understanding complex psychological phenomena...
December 1, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28444189/environmental-enrichment-in-the-21st-century
#18
Kristine Coleman, Melinda A Novak
More than a quarter of a century has elapsed since the Animal Welfare Act mandated that research facilities develop and follow a plan to promote the psychological well-being of captive primates. Since passage of this law, considerable effort and resources have been directed to designing environmental enrichment strategies in an effort to improve animal welfare. These plans typically consist of environmental enrichment and socialization efforts. While environmental enhancement has undergone a great deal of improvement in the past 25 years, it should be viewed as a continual work in progress, which takes advantage of emergent and future technologies...
December 1, 2017: ILAR Journal
https://www.readbyqxmd.com/read/29036417/coprophagous-insects-and-the-ecology-of-infectious-diseases-of-wildlife
#19
Elizabeth Nichols, Viviana Alarcón, Shaun Forgie, Luis A Gomez-Puerta, Matthew S Jones
A diversity of macro- and microparasitic species exert strong influences on wildlife population density, community structure, and ecosystem functioning, all through their impacts on individual host fitness. Through consuming, manipulating, and relocating wildlife feces, over 7,000 species of coprophagous dung beetles interact with a staggering diversity of wildlife parasites with fecal-oral transmission in ways that both increase and decrease transmission. Here, we review the mechanisms by which dung beetles influence micro- and macroparasite transmission and outline a future research framework that integrates theory and empirical insights to advance our understanding of how these relationships may interact with ongoing environmental change drivers to further influence wildlife populations and community structure...
September 28, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28985316/are-rna-viruses-candidate-agents-for-the-next-global-pandemic-a-review
#20
R Carrasco-Hernandez, Rodrigo Jácome, Yolanda López Vidal, Samuel Ponce de León
Pathogenic RNA viruses are potentially the most important group involved in zoonotic disease transmission, and they represent a challenge for global disease control. Their biological diversity and rapid adaptive rates have proved to be difficult to overcome and to anticipate by modern medical technology. Also, the anthropogenic change of natural ecosystems and the continuous population growth are driving increased rates of interspecies contacts and the interchange of pathogens that can develop into global pandemics...
September 4, 2017: ILAR Journal
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