alexa Toxoplasma Gondii Induced Changes In Neurotransmitter Regulation In Neurons In Brains Of Infected Animals And Potential Neurological Consequences
ISSN: 2155-9597

Journal of Bacteriology & Parasitology
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4th International Conference on Parasitology
September 01-02, 2017 | Prague, Czech Republic

Glenn McConkey
University of Leeds, UK
Posters & Accepted Abstracts: J Bacteriol Parasitol
DOI: 10.4172/2155-9597-C1-035
Abstract
During chronic Toxoplasma gondii infection, these ubiquitous, single-cell protozoan parasites are encysted in neurons in the host animal’s brain. Changes have been observed in dopaminergic, glutamatergic, and GABAergic neurotransmission. To understand the effect that these parasites impose on neurons during infection, RNA sequencing (RNA-Seq) analysis was performed on infected, differentiated neurotransmitter-expressing cells. T. gondii infection altered gene expression of several neurological functions including host genes involved in catecholamine regulation, cell-cell signaling, neuro development, and behavior. The most significantly changed genes during T. gondii infection are involved in catecholamine regulation (i.e., dopamine, norepinephrine, and epinephrine). Altered gene expression was also observed in the brains of rats chronically infected with T. gondii. Indeed, gene changers were sex-specific which may help clarify differences in behavioral responses to infection. Neurotransmission changes are consistent with observed behavioral effects associated with toxoplasmosis. Hence, parasitic infection alters several host neurological functions with specific direct effects on neurotransmission that may explain observations of behavioral and neurological deficits with infection.
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