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Full-Text Articles in Immunology and Infectious Disease
The Neonatal Anti-Viral Response Fails To Control Measles Virus Spread In Neurons Despite Interferon-Gamma Expression And A Th1-Like Cytokine Profile, Priya Ganesan
Electronic Theses and Dissertations
Neonates are highly susceptible to infections in the central nervous system (CNS) and have a greater risk of viral infections and encephalopathies. Neurotropic viral infections can lead to blindness, hearing loss and neurological deficiencies such as cognitive impairment, epilepsy, and even death in the neonatal and pediatric populations. Viral infections also are hypothesized to indirectly contribute to neurodegenerative and neuropsychiatric diseases such as Schizophrenia and Parkinson’s disease later in life due to early neuronal damage or stress. Many diverse viruses are capable of invading the neonatal CNS including Borna Disease Virus, Coxsackievirus (CV), Herpes simplex viruses (HSV), and measles virus. …
A Behavioral And Neuroimmune System Model Of The Effects Of Chronic Low-Level Lead Exposure In Young Male C57bl/6j Mice, Mayra Gisel Flores-Montoya
A Behavioral And Neuroimmune System Model Of The Effects Of Chronic Low-Level Lead Exposure In Young Male C57bl/6j Mice, Mayra Gisel Flores-Montoya
Open Access Theses & Dissertations
Chronic low-level lead exposure reduces memory in children however the brain mechanisms mediating these effects are not known. In previous studies we showed that early lead exposure reduced olfactory memory and exploratory behavior in young mice, and reduced microglia cell density in hippocampus/dentate gyrus. The present studies aimed to identify additional behavioral tests that were sensitive to early low-level lead exposure in young mice; and to examine whether microglia upregulated factors known to promote cell migration. Seventy-two C57BL/6J male mice were exposed to 0 ppm (controls), 30 ppm (low-dose), or 430 ppm (high-dose) of lead acetate via dams' milk from …
Cytokine Expression, Cytoskeleton Organization, And Viability Of Sim-A9 Microglia Exposed To Staphylococcus Aureus-Derived Lipoteichoic Acid And Peptidoglycan, Erin Roberts
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In these experiments, SIM-A9 microglia were exposed to Staphylococcus aureus cell wall components lipoteichoic acid (LTA) and peptidoglycan (PGN) at a concentration of 5 ug/mL for six, twelve, eighteen, and twenty-four hours and the cytokine expression, cytoskeleton organization, and cell viability of the cells were observed. Following LTA and PGN exposure, TNF-a; secretion increased at each time interval and was highest observed at 24 hours. No significant IL-10 secretion was detected. Over the 24 hour period, cell viability and cytotoxicity of LTA and PGN treatment groups were not significantly different from the control, indicating the observed inflammatory cytokine response was …