کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8299153 | 1537052 | 2008 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Complex I and energy thresholds in the brain
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
دانش گیاه شناسی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Mitochondrial electron transport chain (ETC) deficiencies are thought to underlie defects in energy metabolism and have been implicated in the neurodegenerative process. In particular, reductions in complex I activities in Parkinson's disease are thought to cause bioenergetic dysfunction with subsequent degeneration of dopaminergic neurons. In terms of bioenergetics and assessing ETC-related problems in the brain, the presence of heterogeneous mitochondria has complicated matters as isolated non-synaptic mitochondria have different energy thresholds and flux control coefficients compared to isolated mitochondria of synaptic origin. The molecular mechanisms that underlie complex I deficiencies in the parkinsonian brain are unknown and are the source of intensive research. This review explores the relationship between complex I activity and energy metabolism in the brain as well as the nature of the complex I defect.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochimica et Biophysica Acta (BBA) - Bioenergetics - Volume 1777, Issues 7â8, JulyâAugust 2008, Pages 777-782
Journal: Biochimica et Biophysica Acta (BBA) - Bioenergetics - Volume 1777, Issues 7â8, JulyâAugust 2008, Pages 777-782
نویسندگان
Rashmi U. Pathak, Gavin P. Davey,