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Chronic stress has deleterious effects on immune function, which can lead to adverse health outcomes. However, studies investigating the impact of stress reduction interventions on immunity in clinical research have yielded divergent results, potentially stemming from differences in study design and genetic heterogeneity, among other clinical research challenges. To test the hypothesis that reducing...
Wasting is a sign of various underlying disorders and is a common feature of cancer, sepsis, and AIDS. We have developed an in vivo model to study the various stages of wasting following infection of mice with lymphocytic choriomeningitis virus cl-13. Using this model we have identified four distinct stages of wasting and have discovered that all stages occur in the different groups of mice regardless...
Chronic stress is associated with negative health outcomes and is linked with neuroendocrine changes, deleterious effects on innate and adaptive immunity, and central nervous system neuropathology. Although stress management is commonly advocated clinically, there is insufficient mechanistic understanding of how decreasing stress affects disease pathogenesis. Therefore, we have developed a “calm mouse...
Maternal antibody prevents the use of live, attenuated measles vaccine (LAV) before 6–9 months of age, but vaccinated 6-month-old infants can mount a T cell response. An infant macaque model was used to study the immune response to LAV in the newborn in the presence or absence of maternal antibody. Four newborn monkeys without detectable maternal antibody and 9 newborns with passive measles antibody...
The currently used live-attenuated measles vaccine is very effective although maternal antibody prevents its administration prior to 6 months of age. We are investigating the ability of a DNA vaccine encoding the measles viral hemagglutinin, fusion and nucleoprotein to protect newborn infants from measles. Here, we show that a measles DNA vaccine protects juvenile macaques from pathogenic measles...
To eradicate measles in developing nations a vaccine capable of being administered at birth may be necessary. We immunized newborn rhesus macaques with naked DNA encoding the measles virus hemagglutinin, fusion and nucleoprotein genes. Prior to vaccination we passively transferred measles immunoglobulin to mimic maternal antibody. In the presence or absence of measles immunoglobulin, 23 of 25 infant...
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