Cited by 100Garlic and Onion StudiesAlzheimer's disease research and treatmentsMedicinal Plants and Neuroprotection

The “Aged Garlic Extract” (AGE) and One of its Active Ingredients S-Allyl-LCysteine (SAC) as Potential Preventive and Therapeutic Agents for Alzheimer's Disease (AD)

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Ray, B., B. Chauhan, N., K. Lahiri, D.·2011·Current Medicinal Chemistry

Abstract

Alzheimer's disease (AD) is the most common form of dementia in the older people and 7(th) leading cause of death in the United States. Deposition of amyloid-beta (Aβ) plaques, hyperphosphorylation of microtubule associated protein tau (MAPT), neuroinflammation and cholinergic neuron loss are the major hallmarks of AD. Deposition of Aβ peptides, which takes place years before the clinical onset of the disease can trigger hyperphophorylation of tau proteins and neuroinflammation, and the latter is thought to be primarily involved in neuronal and synaptic damage seen in AD. To date, four cholinesterase inhibitors or ChEI (tacrine, rivastigmine, donepezil and galantamine) and a partial NMDA receptor antagonist (memantine) are the only approved treatment options for AD. However, these drugs fail to completely cure the disease, which warrants a search for newer class of targets that would eventually lead to effective drugs for the treatment of AD. In addition to selected pharmacological agents, botanical and medicinal plant extracts are also being investigated. Apart from its culinary use, garlic (Allium sativum) is being used to treat several ailments like cancer and diabetes. Herein we have discussed the effects of a specific 'Aged Garlic Extract' (AGE) and one of its active ingredients, S-allyl-L-cysteine (SAC) in restricting several pathological cascades related to the synaptic degeneration and neuroinflammatory pathways associated with AD. Thus, based on the reported positive preliminary results reviewed herein, further research is required to develop the full potential of AGE and/or SAC into an effective preventative strategy for AD.

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  • Allium sativum (aged garlic extract) is a potent anti-neuroinflammatory, antioxidant, and regulator of neurotransmitter signaling, which could ameliorate AD pathogenesis.

    “To illustrate this, Allium sativum in the Alliaceae family has shown to be a potent anti-neuroinflammatory, antioxidant, and regulator of neurotransmitter signaling when referring to aged garlic extract, which could ameliorate AD pathogenesis [180,181].”

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  1. [1]Alzheimer's Association 2010 Alzheimer's disease facts and figures Alzheimers Dement 2010 6 2 158 194 20298981

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Authors
Ray, B., B. Chauhan, N., & K. Lahiri, D.
Affiliations
Indiana University School of Medicine (US)
Venue
Current Medicinal Chemistry
Published
2011-08-01
Volume
18
Issue
22
Pages
3306-3313
ISSN
0929-8673 (ISSN-L)
OpenAlex
W2151792116
Cited by
100
References
95
Citations by year
2026: 7 · 2025: 5 · 2024: 2 · 2023: 8 · 2022: 6 · 2021: 13 · 2020: 6 · 2019: 11 · 2018: 4 · 2017: 4 · 2016: 9 · 2015: 5 · 2014: 11 · 2013: 4 · 2012: 4
FWCI
7.69
Type
journal article
Language
en
Open access
Locations
  • Current Medicinal Chemistry (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • IUScholarWorks (Indiana University) (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging (AG 18379, R01AG018884, AG18884, R01AG018379)
  • National Center for Complementary and Integrative Health (R21AT001812)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Garlic and Onion Studies
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Complementary and alternative medicine › Medicinal Plants and Neuroprotection
Keywords
Alzheimer's disease, aged garlic extract, S-allylcysteine, garlic, amyloid plaques, tau hyperphosphorylation, neuroinflammation, synaptic degeneration, neuroprotection, cholinesterase inhibitors, plant extracts, prophylaxis
MeSH terms
Alzheimer Disease, Cysteine, Garlic, Humans, Inflammation, Nerve Degeneration, Plant Extracts

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