Infections, inflammation, and risk of neuropsychiatric disorders: the neglected role of �co-infection�

Abdoli, A. and Taghipour, A. and Pirestani, M. and Mofazzal Jahromi, M.A. and Roustazadeh, A. and Mir, H. and Ardakani, H.M. and Kenarkoohi, A. and Falahi, S. and Karimi, M. (2020) Infections, inflammation, and risk of neuropsychiatric disorders: the neglected role of �co-infection�. Heliyon, 6 (12).


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Neuropsychiatric disorders (NPDs) have multiple etiological factors, mainly genetic background, environmental conditions and immunological factors. The host immune responses play a pivotal role in various physiological and pathophysiological process. In NPDs, inflammatory immune responses have shown to be involved in diseases severity and treatment outcome. Inflammatory cytokines and chemokines are involved in various neurobiological pathways, such as GABAergic signaling and neurotransmitter synthesis. Infectious agents are among the major amplifier of inflammatory reactions, hence, have an indirect role in the pathogenesis of NPDs. As such, some infections directly affect the central nervous system (CNS) and alter the genes that involved in neurobiological pathways and NPDs. Interestingly, the most of infectious agents that involved in NPDs (e.g., Toxoplasma gondii, cytomegalovirus and herpes simplex virus) is latent (asymptomatic) and co-or-multiple infection of them are common. Nonetheless, the role of co-or-multiple infection in the pathogenesis of NPDs has not deeply investigated. Evidences indicate that co-or-multiple infection synergically augment the level of inflammatory reactions and have more severe outcomes than single infection. Hence, it is plausible that co-or-multiple infections can increase the risk and/or pathogenesis of NPDs. Further understanding about the role of co-or-multiple infections can offer new insights about the etiology, treatment and prevention of NPDs. Likewise, therapy based on anti-infective and anti-inflammatory agents could be a promising therapeutic option as an adjuvant for treatment of NPDs. © 2020 Infection; Inflammation; Neuropsychiatric disorders; Co-infection; Immunology; Microbiology; Infectious disease; Psychiatry. © 2020

Item Type: Article
Additional Information: cited By 0
Subjects: WC Communicable Diseases
WL Nervous System
Depositing User: eprints admin
Date Deposited: 15 May 2021 07:47
Last Modified: 15 May 2021 07:47

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