Wednesday, 10 August 2011

Statins may be implicated in neurodegenerative diseases

This post includes a summary of a paper published in Neurobiology of Aging 2010 Sep;31(9):1543-53

Study title and authors:
Mevastatin accelerates loss of synaptic proteins and neurite degeneration in aging cortical neurons in a heme-independent manner.
Kannan M, Steinert JR, Forsythe ID, Smith AG, Chernova T.
Statin Drugs Side Effects and the Misguided War on Cholesterol
Books:
MRC Toxicology Unit, University of Leicester, Leicester, United Kingdom.

This paper can be accessed at: http://www.ncbi.nlm.nih.gov/pubmed/18951667

Kannan investigated the effectes of statins on cultured neurons.

The study found:
(a) Statins impaired synaptic proteins.
(b) Statins reduced N-methyl-d-aspartate receptor currents (N-methyl-d-aspartate receptor currents help in memory funcion).
(c) Statins accelerated neurodegeneration associated with aging.

To conclude: Statins exert a neurotoxic effect in cultured neurons and may be implicated in neurodegenerative diseases such as Parkinson’s, Alzheimer’s, Amyothrophic Lateral Sclerosis, Multiple Sclerosis and Huntington’s.

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