Neurophysiological Changes Induced by Chronic Toxoplasma gondii Infection

Although the parasite Toxoplasma gondii is one of the most pervasive neurotropic pathogens in the world, the host-parasite interactions during CNS infection and the consequences of neurological infection are just beginning to be unraveled. The chronic stages of infection have been considered dormant...

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Main Authors: Ellen Tedford, Glenn McConkey
Format: Article
Language:English
Published: MDPI AG 2017-05-01
Series:Pathogens
Subjects:
Online Access:http://www.mdpi.com/2076-0817/6/2/19
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author Ellen Tedford
Glenn McConkey
author_facet Ellen Tedford
Glenn McConkey
author_sort Ellen Tedford
collection DOAJ
description Although the parasite Toxoplasma gondii is one of the most pervasive neurotropic pathogens in the world, the host-parasite interactions during CNS infection and the consequences of neurological infection are just beginning to be unraveled. The chronic stages of infection have been considered dormant, although several studies have found correlations of infection with an array of host behavioral changes. These may facilitate parasite transmission and impact neurological diseases. During infection, in addition to the presence of the parasites within neurons, host-mediated neuroimmune and hormonal responses to infection are also present. T. gondii induces numerous changes to host neurons during infection and globally alters host neurological signaling pathways, as discussed in this review. Understanding the neurophysiological changes in the host brain is imperative to understanding the parasitic mechanisms and to delineate the effects of this single-celled parasite on health and its contribution to neurological disease.
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spelling doaj.art-da732a4aaa4d443d939e7d310f97af172022-12-22T04:24:37ZengMDPI AGPathogens2076-08172017-05-01621910.3390/pathogens6020019pathogens6020019Neurophysiological Changes Induced by Chronic Toxoplasma gondii InfectionEllen Tedford0Glenn McConkey1Heredity, Disease & Development, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UKHeredity, Disease & Development, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UKAlthough the parasite Toxoplasma gondii is one of the most pervasive neurotropic pathogens in the world, the host-parasite interactions during CNS infection and the consequences of neurological infection are just beginning to be unraveled. The chronic stages of infection have been considered dormant, although several studies have found correlations of infection with an array of host behavioral changes. These may facilitate parasite transmission and impact neurological diseases. During infection, in addition to the presence of the parasites within neurons, host-mediated neuroimmune and hormonal responses to infection are also present. T. gondii induces numerous changes to host neurons during infection and globally alters host neurological signaling pathways, as discussed in this review. Understanding the neurophysiological changes in the host brain is imperative to understanding the parasitic mechanisms and to delineate the effects of this single-celled parasite on health and its contribution to neurological disease.http://www.mdpi.com/2076-0817/6/2/19Toxoplasma gondiineurophysiologyhost-parasite interactionneuroimmunetestosteronedopaminecatecholamineglutamatergic
spellingShingle Ellen Tedford
Glenn McConkey
Neurophysiological Changes Induced by Chronic Toxoplasma gondii Infection
Pathogens
Toxoplasma gondii
neurophysiology
host-parasite interaction
neuroimmune
testosterone
dopamine
catecholamine
glutamatergic
title Neurophysiological Changes Induced by Chronic Toxoplasma gondii Infection
title_full Neurophysiological Changes Induced by Chronic Toxoplasma gondii Infection
title_fullStr Neurophysiological Changes Induced by Chronic Toxoplasma gondii Infection
title_full_unstemmed Neurophysiological Changes Induced by Chronic Toxoplasma gondii Infection
title_short Neurophysiological Changes Induced by Chronic Toxoplasma gondii Infection
title_sort neurophysiological changes induced by chronic toxoplasma gondii infection
topic Toxoplasma gondii
neurophysiology
host-parasite interaction
neuroimmune
testosterone
dopamine
catecholamine
glutamatergic
url http://www.mdpi.com/2076-0817/6/2/19
work_keys_str_mv AT ellentedford neurophysiologicalchangesinducedbychronictoxoplasmagondiiinfection
AT glennmcconkey neurophysiologicalchangesinducedbychronictoxoplasmagondiiinfection