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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

Effect of North American ginseng on 137Cs-induced micronuclei in human lymphocytes: a comparison with WR-1065.

Abstract Source:

Phytother Res. 2008 Dec;22(12):1614-22. PMID: 18803249

Abstract Author(s):

Tung-Kwang Lee, Weidong Wang, Kevin F O'Brien, Roberta M Johnke, Tao Wang, Ron R Allison, Angelica L Diaz

Article Affiliation:

Department of Radiation Oncology, Leo W. Jenkins Cancer Center, Brody School of Medicine at East Carolina University, Greenville, NC 27834, USA. leet@ecu.edu

Abstract:

To explore the radioprotective effect of a standardized North American ginseng extract (NAGE) on human peripheral blood lymphocytes (PBL), a micronuclei (MN) assay was conducted in PBL obtained from 12 volunteers. NAGE (50-1000 microg/mL) and WR-1065 (1 mM and 3 mM) were applied to PBL cultures at 0 h and 90 min post-irradiation. It was found that (1) the baseline MN yield of PBL ranged from 14.4 +/- 1.5 to 15.9 +/- 1.5 per 1000 binucleated cells (p>0.05); after irradiation (1 Gy and 2 Gy), the MN yield increased sharply; (2) MN yields declined with increasing concentrations of NAGE and WR-1065. Even at 90 min post-irradiation of 1 Gy, the maximum level of MN reduction rate caused by NAGE and WR-1065 was 53.8% and 59.2%, respectively; after 2 Gy irradiation, it was 37.3% and 42%, respectively; (3) the MN distribution in PBL followed a non-Poisson distribution in all cases; and (4) both NAGE and WR-1065 showed no significant effect on the proliferation index of lymphocytes. The results indicate that NAGE is a relatively non-toxic natural product, which can be administered as a dietary supplement and has the potential to be a radiation countermeasure.

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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