Abstract:
:The loss of dopaminergic neurons in the substantia nigra pars compacta (SNpc) and the accumulation of protein inclusions (Lewy bodies) are the pathological hallmarks of Parkinson's disease (PD). PD is triggered by genetic alterations, environmental/occupational exposures and aging. However, the exact molecular mechanisms linking these PD risk factors to neuronal dysfunction are still unclear. Alterations in redox homeostasis and bioenergetics (energy failure) are thought to be central components of neurodegeneration that contribute to the impairment of important homeostatic processes in dopaminergic cells such as protein quality control mechanisms, neurotransmitter release/metabolism, axonal transport of vesicles and cell survival. Importantly, both bioenergetics and redox homeostasis are coupled to neuro-glial central carbon metabolism. We and others have recently established a link between the alterations in central carbon metabolism induced by PD risk factors, redox homeostasis and bioenergetics and their contribution to the survival/death of dopaminergic cells. In this review, we focus on the link between metabolic dysfunction, energy failure and redox imbalance in PD, making an emphasis in the contribution of central carbon (glucose) metabolism. The evidence summarized here strongly supports the consideration of PD as a disorder of cell metabolism.
journal_name
Brain Res Bulljournal_title
Brain research bulletinauthors
Anandhan A,Jacome MS,Lei S,Hernandez-Franco P,Pappa A,Panayiotidis MI,Powers R,Franco Rdoi
10.1016/j.brainresbull.2017.03.009subject
Has Abstractpub_date
2017-07-01 00:00:00pages
12-30eissn
0361-9230issn
1873-2747pii
S0361-9230(17)30165-Xjournal_volume
133pub_type
杂志文章,评审abstract::Nagase genetically analbuminemic rats (NAR) were run to fatigue. Administration of branched chain amino acids (BCAA) before exhaustive exercise, resulted in a post-fatigue decreased tryptophan uptake (-22%, p < 0.05) and 5-hydroxytryptophan (5-HTP) uptake (-29%, p < 0.01) into the synaptosomes isolated from the striat...
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journal_title:Brain research bulletin
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pub_type: 杂志文章
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journal_title:Brain research bulletin
pub_type: 杂志文章
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journal_title:Brain research bulletin
pub_type: 杂志文章
doi:10.1016/j.brainresbull.2015.06.005
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pub_type: 杂志文章
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journal_title:Brain research bulletin
pub_type: 杂志文章
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journal_title:Brain research bulletin
pub_type: 杂志文章
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journal_title:Brain research bulletin
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journal_title:Brain research bulletin
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journal_title:Brain research bulletin
pub_type: 杂志文章
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pub_type: 杂志文章
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