期刊
JOURNAL OF NEUROIMMUNOLOGY
卷 301, 期 -, 页码 65-73出版社
ELSEVIER
DOI: 10.1016/j.jneuroim.2016.11.003
关键词
Leishmania amazonensis; Central nervous system; Cytokines; Anxiety; Neurotrophic factors
资金
- Fundacao de Amparo a Pesquisa do Rio de Janeiro (FAPERJ) [E-26/111.459/2013E-26/111.459/2013]
- Proppi/UFF
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior
Neurological symptoms have been associated with Leishmania infection, however little is known about how the nervous system is affected in leishmaniasis. This work aimed to analyze parasitic load, production of cytokines/neurotrophins in the prefrontal cortex and behavioral changes in BALB/c mice infected with Leishmania amazonensis. At 2 and 4 months post-infection, infected mice showed a decrease in IFN-gamma, IL-1, IL-6, IL-4, IL-10 cytokines and BDNF and NGF neurotrophins in prefrontal cortex associated with increased anxiety behavior. Parasite DNA was found in brain of all animals at 4 months post-infection, when the levels of IBA-1 (activated macrophage/microglia marker) and TNF-alpha was increased in the prefrontal cortex. However TNF-alpha returned to normal levels at 6 months post-infection suggesting a neuroprotective mechanism. (C) 2016 Elsevier B.V. All rights reserved.
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