Impact of Neuroinflammation on Hippocampal Neurogenesis: Relevance to Aging and Alzheimer's Disease

被引:56
作者
Valero, Jorge [1 ,2 ]
Bernardino, Liliana [3 ]
Cardoso, Filipa Lourenco [4 ,5 ,6 ]
Silva, Ana Paula [4 ,5 ,6 ]
Fontes-Ribeiro, Carlos [4 ,5 ,6 ]
Ambrosio, Antonio Francisco [5 ,6 ]
Malva, Joao Oliveira [4 ,5 ,6 ]
机构
[1] Achucarro Basque Ctr Neurosci, Zamudio, Bizkaia, Spain
[2] Ikerbasque Fdn Sci, Bilbao, Bizkaia, Spain
[3] Univ Beira Interior, Hlth Sci Res Ctr, Fac Hlth Sci, Covilha, Portugal
[4] Univ Coimbra, Inst Pharmacol & Expt Therapeut, Fac Med, Coimbra, Portugal
[5] Univ Coimbra, Inst Biomed Imaging & Life Sci IBILI, Fac Med, P-3000548 Coimbra, Portugal
[6] Univ Coimbra, CNC IBILI Consortium, Coimbra, Portugal
关键词
Aging; Alzheimer's disease; memory; neural stem cells; neurogenesis; neuroinflammation; ADULT-BORN NEURONS; NEURAL STEM-CELLS; SYSTEMIC INFLAMMATION; SYNAPTIC PLASTICITY; MICROGLIA; BRAIN; MEMORY; NICHE; MATURATION; MICE;
D O I
10.3233/JAD-170239
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The cognitive reserve is associated with the capacity of the brain to maintain cognitive performance in spite of being challenged by stressful degenerative insults related to aging. Hippocampal neurogenesis is a life-long process of continuous addition of functional new neurons in the memory processing circuits. Accordingly, adult hippocampal neurogenesis is increasingly seen as a key determinant of cognitive reserve robustness. On the other side, neuroinflammation, by releasing a plethora of proinflammatory cytokines and other inflammatory molecules, is increasingly shown to be one of the key determinant pathophysiological factors that negatively impact on neurogenesis and on the cognitive reserve, playing a detrimental role in hippocampal neurogenic niche dynamics and in the progression of neurodegenerative diseases, such as Alzheimer's disease. In the present manuscript, we highlight the functional interplay between neuroinflammation, dynamics of the neurogenic niche, and spatial memory performance in healthy and age-related pathological processes, including progression of Alzheimer's disease.
引用
收藏
页码:S161 / S168
页数:8
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