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Cited by 260

The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.

Mitochondrial Lipid Abnormality and Electron Transport Chain Impairment in Mice Lacking α-Synuclein

Open access
Ellis, Christopher E., Murphy, Eric J., Mitchell, Drake C., Golovko, Mikhail Y., Scaglia, Fernando, Barceló-Coblijn, Gwendolyn C., Nussbaum, Robert L.·2005·Molecular and Cellular Biology

Abstract

The presynaptic protein alpha-synuclein, implicated in Parkinson disease (PD), binds phospholipids and has a role in brain fatty acid (FA) metabolism. In mice lacking alpha-synuclein (Snca-/-), total brain steady-state mass of the mitochondria-specific phospholipid, cardiolipin, is reduced 22% and its acyl side chains show a 51% increase in saturated FAs and a 25% reduction in essential n-6, but not n-3, polyunsaturated FAs. Additionally, 23% reduction in phosphatidylglycerol content, the immediate biosynthetic precursor of cardiolipin, was observed without alterations in the content of other brain phospholipids. Consistent with these changes, more ordered lipid head group and acyl chain packing with enhanced rotational motion of diphenylhexatriene (DPH) about its long axis were demonstrated in time-resolved DPH fluorescence lifetime experiments. These abnormalities in mitochondrial membrane properties were associated with a 15% reduction in linked complex I/III activity of the electron transport chain, without reductions in mitochondrial number, complex II/III activity, or individual complex I, II, III, or IV activity. Reduced complex I activity is thought to be a critical factor in the development of PD. Thus, altered membrane composition and structure and impaired complex I/III function in Snca-/- brain suggest a relationship between alpha-synuclein's role in brain lipid metabolism, mitochondrial function, and PD.

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Crossref · 10.1128/mcb.25.22.10190-10201.2005

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Metadata

Authors
Ellis, C. E., Murphy, E. J., Mitchell, D. C., Golovko, M. Y., Scaglia, F., Barceló-Coblijn, G. C., & Nussbaum, R. L.
Venue
Molecular and Cellular Biology
Published
2005-11-01
Volume
25
Issue
22
Pages
10190-10201
ISSN
  • 0270-7306 (ISSN-L)
  • 1098-5549
OpenAlex
W2100872265
Cited by
260
References
5
FWCI
7.66
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Mitochondrial Lipid Abnormality and Electron Transport Chain Impairment in Mice Lacking α-Synuclein. https://app.cochat.ai/papers/10.1128/mcb.25.22.10190-10201.2005
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Ellis, C. E., Murphy, E. J., Mitchell, D. C., Golovko, M. Y., Scaglia, F., Barceló-Coblijn, G. C., & Nussbaum, R. L. (2005). Mitochondrial Lipid Abnormality and Electron Transport Chain Impairment in Mice Lacking α-Synuclein. Molecular and Cellular Biology. https://doi.org/10.1128/mcb.25.22.10190-10201.2005

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