Abstract
Statins, cholesterol lowering drugs, have been demonstrated to exert beneficial effects in other conditions such as primary and progressing neurodegenerative diseases beyond their original role. Observation that statins ameliorate the neurodegenerative diseases such as Parkinson’s disease (PD), Alzheimer’s disease (AD), multiple sclerosis (MS) and cerebral ischemic stroke, the neuroprotective effects of these drugs are thought to be linked to their anti-inflammatory, anti-oxidative, and anti-excitotoxic properties. Despite the voluminous literature on the clinical advantages of 3-hydroxy-3-methylglutaryl Co-enzyme A reductase (HMGCR) inhibitors (statins) in cardiovascular system, the neuroprotective effects and the underlying mechanisms are little understood. Hence, the present review tries to provide a critical overview on the statin-induced neuroprotection, which are presumed to be associated with the ability to reduce cholesterol, Amyloid-β and apolipoprotein E (ApoE) levels, decrease reactive oxygen and nitrogen species (ROS and RNS) formation, inhibit excitotoxicity, modulate matrix metalloproteinases (MMPs), stimulate endothelial nitric oxide synthase (eNOS), and increase cerebral blood perfusion. This review is also aimed to illustrate that statins protect neurons against the neuro-inflammatory processes through balancing pro-inflammatory/anti-inflammatory cytokines. Ultimately, the beneficial role of statins in ameliorating the development of PD, AD, MS and cerebral ischemic stroke has been separately reviewed.
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Abbreviations
- HMG-CoA:
-
3-hydroxy-3-methylglutaryl Co-enzyme A
- HMGCR:
-
HMG-CoA reductase
- PD:
-
Parkinson’s disease
- AD:
-
Alzheimer’s disease
- MS:
-
Multiple sclerosis
- eNOS:
-
Endothelial nitric oxide synthase
- ApoE:
-
Apolipoprotein E
- LDL:
-
Low-density lipoprotein
- IL:
-
Interleukin
- TGF-β:
-
Transforming growth factor-beta
- TNF-α:
-
Tumor necrosis factor-alpha.
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Saeedi Saravi, S.S., Saeedi Saravi, S.S., Arefidoust, A. et al. The beneficial effects of HMG-CoA reductase inhibitors in the processes of neurodegeneration. Metab Brain Dis 32, 949–965 (2017). https://doi.org/10.1007/s11011-017-0021-5
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DOI: https://doi.org/10.1007/s11011-017-0021-5