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J Altern Complement Med. 2007 Apr;13(3):333-40.

Alzheimer's disease drug discovery from herbs: neuroprotectivity from beta-amyloid (1-42) insult.

Author information

1
CurXceL Corporation, The Business and Technology Center, West Lafayette, IN 47906, USA.curxcel@gmail.com

Abstract

OBJECTIVE:

To comparatively evaluate selected herbs for their ability to protect neuronal cells from direct betaA(1-42) insult.

DESIGN:

Twenty-seven (27) herbs were selected, extracted with aqueous methanol (90%) and chloroform, and the extracts were evaluated for their ability to protect PC12 rat pheochromocytoma and primary neuronal cells from betaA(1-42) insult using both 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide reduction assay and lactate dehydrogenase efflux assay.

RESULTS:

Curcuma aromatia (ul-keum) and Zingiber officinale (ginger) extracts effectively protected cells from betaA(1-42) insult, followed by Ginkgo biloba (ginkgo), Polygonatum sp. (King Solomon's seal), Cinnamum cassia (Chinese cinnamon), Rheum coreanum (Korean rhubarb), Gastrodia elata (gastrodia), and Scutellaria baicalensis (skullcap). Several extracts showed cytotoxicity at high concentration (approximately 150 microg/mL), whereas other extracts did not at all protect cells from betaA(1-42) insult.

CONCLUSION:

Selective herbs may be potentially important resources to discover drug candidates against the onset of Alzheimer's disease.

PMID:
17480132
DOI:
10.1089/acm.2006.6107
[Indexed for MEDLINE]

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