Molecules 2012, 17(11), 13253-13265; doi:10.3390/molecules171113253
Article

Effects of Taraxacum officinale on Fatigue and Immunological Parameters in Mice

1 Division of Herbal Medicinal Products, Korea Food & Drug Administration (KFDA), Osong Health Technology Administration Complex, 187 Osongsaengmyeong2(i)-ro, Osong-eup, Cheongwon-gun, Chungcheongbuk-do 363-700, Korea 2 College of Pharmacy, Dongduk Women's University, 23-1 Wolgok-dong, Seongbuk-gu, Seoul 136-714, Korea 3 Department of Pharmacology, College of Oriental Medicine, Sangji University, 83 Sangjidae-gil, Wonju-si, Gangwon-do 220-702, Korea
* Author to whom correspondence should be addressed.
Received: 2 July 2012; in revised form: 18 July 2012 / Accepted: 31 October 2012 / Published: 7 November 2012
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Abstract: In Korean herbal medicine dandelion (Taraxacum officinale, TO) has been used to improve energy levels and health. However, the effects of TO in experimental models remain unclear. We examined the anti-fatigue and immune-enhancing effects of TO in mice by performing a forced swimming test (FST) and in vitro by using peritoneal macrophages, respectively. After daily oral administration of TO, blood biochemical parameters related to fatigue were measured after the FST. FST immobility time was significantly decreased in the TO-treated group (100 mg/kg) on the tenth day. TO (10 and 100 mg/kg) treatment significantly increased glucose levels, acting as an energy source. The level of lactic dehydrogenase, which is an accurate indicator of muscle damage, tended to decline after TO administration (10 and 100 mg/kg). When TO (100 mg/kg) was orally administered to mice, blood urea nitrogen levels decreased significantly. We also examined the effect of TO on the production of cytokines and nitric oxide (NO) in mouse peritoneal macrophages. When TO was used in combination with recombinant interferon-gamma (rIFN-γ), a noticeable cooperative induction of tumor necrosis factor-alpha (TNF-α), interleukin (IL)-12p70, and IL-10 production was observed. Furthermore, in peritoneal macrophages, rIFN-γ plus TO treatment significantly increased the production of NO through inducible nitric oxide synthase (iNOS) induction. Taken together, these results suggest that TO improves fatigue-related indicators and immunological parameters in mice.
Keywords: Taraxacum officinale; forced swimming test; mouse peritoneal macrophage; cytokines; nitric oxide

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MDPI and ACS Style

Lee, B.-R.; Lee, J.-H.; An, H.-J. Effects of Taraxacum officinale on Fatigue and Immunological Parameters in Mice. Molecules 2012, 17, 13253-13265.

AMA Style

Lee B-R, Lee J-H, An H-J. Effects of Taraxacum officinale on Fatigue and Immunological Parameters in Mice. Molecules. 2012; 17(11):13253-13265.

Chicago/Turabian Style

Lee, Bo-Ra; Lee, Jong-Hyun; An, Hyo-Jin. 2012. "Effects of Taraxacum officinale on Fatigue and Immunological Parameters in Mice." Molecules 17, no. 11: 13253-13265.

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