Between destiny and disease: Genetics and molecular pathways of human central nervous system aging

被引:55
作者
Glorioso, Christin [1 ]
Sibille, Etienne [1 ]
机构
[1] Univ Pittsburgh, Dept Psychiat, Ctr Neurosci, Translat Neurosci Program, Pittsburgh, PA 15312 USA
关键词
Aging; Disease; Brain; Human; Postmortem; Neurodegenerative; Neuropsychiatric; Schizophrenia; Depression; Alzheimer's disease; Parkinson's disease; Sirtuin; BDNF VAL66MET POLYMORPHISM; BRAIN DOPAMINE ACTIVITY; LIFE-SPAN; NEUROTROPHIC FACTOR; KLOTHO GENE; ALZHEIMERS-DISEASE; COGNITIVE-ABILITIES; PARKINSONS-DISEASE; OXIDATIVE STRESS; HUMAN LONGEVITY;
D O I
10.1016/j.pneurobio.2010.11.006
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Aging of the human brain is associated with "normal" functional, structural, and molecular changes that underlie alterations in cognition, memory, mood and motor function, amongst other processes. Normal aging also imposes a robust constraint on the onset of many neurological diseases, ranging from late onset neurodegenerative diseases, such as Alzheimer's (AD) and Parkinson's diseases (PD), to early onset psychiatric disorders, such as bipolar disorder (BPD) and schizophrenia (SCZ). The molecular mechanisms and genetic underpinnings of age-related changes in the brain are understudied, and, while they share some overlap with peripheral mechanisms of aging, many are unique to the largely non-mitotic brain. Hence, understanding mechanisms of brain aging and identifying associated modulators may have profound consequences for the prevention and treatment of age-related impairments and diseases. Here we review current knowledge on age-related functional and structural changes, their molecular and genetic underpinnings, and discuss how these pathways may contribute to the vulnerability to develop age-related neurological diseases. We highlight recent findings from human post-mortem brain microarray studies, which we hypothesize, point to a potential genetically controlled transcriptional program underlying molecular changes and age-gating of neurological diseases. Finally, we discuss the implications of this model for understanding basic mechanisms of brain aging and for the future investigation of therapeutic approaches. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:165 / 181
页数:17
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