Abstract
In the present study, we prepared ginseng polysaccharide (GP) and evaluated its antitumor and immunomodulatory activities in C57BL/6 mice bearing with Lewis lung carcinoma (LLC). Administration of GP (50, 100, and 200mg/kg) could not only significantly inhibit the growth of transplantable LLC tumor in C57BL/6 mice but also remarkably increase relative weight of spleen and thymus, splenocytes proliferation, and the ratio of CD4(+)/CD8(+) T lymphocyte in peripheral blood in LLC-bearing mice. Furthermore, the serum IL-2 and IFN-γ production and NK cytolytic activity were also prompted in LLC-bearing mice in response to GP treatment at three doses. Additionally, GP showed no side effects such as weight loss in body weight and internal organs (lung, liver, kidney, and heart) as well as inactivity during the experiment. Therefore, GP might be conveniently exploited to be good immune-stimulating modifiers and had the potential value for tumor therapy.
Published Version
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