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The effects of chronic restraint str...
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The effects of chronic restraint stress on innate and adaptive immune responses to acute Theiler's murine encephalomyelitis virus infection - An animal model of human multiple sclerosis.
紀錄類型:
書目-語言資料,印刷品 : Monograph/item
正題名/作者:
The effects of chronic restraint stress on innate and adaptive immune responses to acute Theiler's murine encephalomyelitis virus infection - An animal model of human multiple sclerosis./
作者:
Steelman, Andrew.
面頁冊數:
238 p.
附註:
Adviser: C. Jane R. Welsh.
Contained By:
Dissertation Abstracts International69-07B.
標題:
Biology, Neuroscience. -
電子資源:
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3321795
ISBN:
9780549724995
The effects of chronic restraint stress on innate and adaptive immune responses to acute Theiler's murine encephalomyelitis virus infection - An animal model of human multiple sclerosis.
Steelman, Andrew.
The effects of chronic restraint stress on innate and adaptive immune responses to acute Theiler's murine encephalomyelitis virus infection - An animal model of human multiple sclerosis.
- 238 p.
Adviser: C. Jane R. Welsh.
Thesis (Ph.D.)--Texas A&M University, 2008.
Multiple sclerosis (MS) is an immune-mediated prevalent chronic demyelinating and neurodegenerative disease of the central nervous system that begins with an abrupt onset during early adulthood. MS is idiopathic, but many factors are thought to influence the pathogenesis of the disease, which include genetic, gender and environmental factors. To date, there is much evidence that suggest that both the onset and progression of MS is facilitated by both viral infections and stress. Theiler's murine encephalomyelitis virus (TMEV) is a picornavirus that upon inoculation into susceptible strains of mice (i.e. SJL and CBA) causes a persistent infection which, in turn, results in an early acute encephalomyelitis followed by a late chronic immune-mediated demyelinating and neurodegenerative disease that pathologically resembles MS. In contrast, resistant mice (i.e. C57BL/6 and BALB/c) are able to clear the virus from the CNS, and consequently do not develop chronic demyelination. Previous studies indicated that stress during early infection of susceptible mice can increase CNS viral titers and alter dissemination of TMEV, decrease early cytokine and chemokine expression in the spleen and CNS, and result in an exacerbated late demyelinating disease. The studies herein, focused on the hypothesis that chronic stress during early infection with TMEV infection would lead to drastic immunosuppression of both innate and adaptive arms of immunity, and that this immunosuppression may overcome the genetically controlled resistance of C57BL/6 mice to Theiler's virus-induced demyelination. In these series of studies, we were able to show that stress, regardless of mouse strain susceptibility, decreases NK cell activity, and increased viral titers at day 1 p.i. Furthermore, after seven days of stress, susceptible mice demonstrated decreased virus specific T-cell effector function in both the CNS and spleens as indicated by a globalized reduction in type 1 and type 2 cytokines, as well as transcription factors. Importantly, these decreased responses were, in part, attributable to the actions of glucocorticoids. However, stress during early infection of C57BL/6 mice did not alter resistance to demyelination. These results begin to shed light on how stress, infection, and genetics can influence the onset of human MS.
ISBN: 9780549724995Subjects--Topical Terms:
1017680
Biology, Neuroscience.
The effects of chronic restraint stress on innate and adaptive immune responses to acute Theiler's murine encephalomyelitis virus infection - An animal model of human multiple sclerosis.
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Multiple sclerosis (MS) is an immune-mediated prevalent chronic demyelinating and neurodegenerative disease of the central nervous system that begins with an abrupt onset during early adulthood. MS is idiopathic, but many factors are thought to influence the pathogenesis of the disease, which include genetic, gender and environmental factors. To date, there is much evidence that suggest that both the onset and progression of MS is facilitated by both viral infections and stress. Theiler's murine encephalomyelitis virus (TMEV) is a picornavirus that upon inoculation into susceptible strains of mice (i.e. SJL and CBA) causes a persistent infection which, in turn, results in an early acute encephalomyelitis followed by a late chronic immune-mediated demyelinating and neurodegenerative disease that pathologically resembles MS. In contrast, resistant mice (i.e. C57BL/6 and BALB/c) are able to clear the virus from the CNS, and consequently do not develop chronic demyelination. Previous studies indicated that stress during early infection of susceptible mice can increase CNS viral titers and alter dissemination of TMEV, decrease early cytokine and chemokine expression in the spleen and CNS, and result in an exacerbated late demyelinating disease. The studies herein, focused on the hypothesis that chronic stress during early infection with TMEV infection would lead to drastic immunosuppression of both innate and adaptive arms of immunity, and that this immunosuppression may overcome the genetically controlled resistance of C57BL/6 mice to Theiler's virus-induced demyelination. In these series of studies, we were able to show that stress, regardless of mouse strain susceptibility, decreases NK cell activity, and increased viral titers at day 1 p.i. Furthermore, after seven days of stress, susceptible mice demonstrated decreased virus specific T-cell effector function in both the CNS and spleens as indicated by a globalized reduction in type 1 and type 2 cytokines, as well as transcription factors. Importantly, these decreased responses were, in part, attributable to the actions of glucocorticoids. However, stress during early infection of C57BL/6 mice did not alter resistance to demyelination. These results begin to shed light on how stress, infection, and genetics can influence the onset of human MS.
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