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- Title
Cytokine production suppression by culture supernatant of B16F10 cells and amelioration by Ganoderma lucidum polysaccharides in activated lymphocytes.
- Authors
Sun, Li-Xin; Li, Wei-Dong; Lin, Zhi-Bin; Duan, Xin-Suo; Xing, En-Hong; Jiang, Miao-Miao; Yang, Ning; Qi, Hai-Hua; Sun, Yu; Li, Min; Niu, Yan-Dong; Lu, Jie
- Abstract
Some cytokines, such as interleukin-2 (IL-2), interferon-γ (IFN-γ) and tumor necrosis factor-α (TNF-α), produced by lymphocytes might play an important role in anti-tumor immunity and their production is possibly suppressed by cancer. Amelioration of the suppression of cytokine production might contribute to cancer control. Ganoderma lucidum polysaccharides ( Gl-PS), a versatile group of a component of G. lucidum and one with various bioactivities, might have this potential. In this study, analyses including reverse transcription and the polymerase chain reaction (RT-PCR), immunocytochemistry and Western blot were used to test the effects of Gl-PS on the production of IL-2, IFN-γ and TNF-α in mononuclear lymphocytes by incubating Gl-PS with mouse splenic mononuclear lymphocytes in the presence of B16F10 cell culture supernatant following activation by phytohemagglutinin. The RT-PCR, immunocytochemistry and Western blot assays showed that the production of IL-2, IFN-γ and TNF-α in mononuclear lymphocytes was suppressed by B16F10 cell culture supernatant at both the mRNA and protein levels, whereas the suppression was fully or partially ameliorated by Gl-PS. The amelioration by Gl-PS against the suppression of the production of IL-2, IFN-γ and TNF-α in mononuclear lymphocytes by B16F10 cell culture supernatant might contribute to cancer control.
- Subjects
CYTOKINES; POLYSACCHARIDES; ONCOLOGY; CANCER research; CELL proliferation
- Publication
Cell & Tissue Research, 2015, Vol 360, Issue 2, p379
- ISSN
0302-766X
- Publication type
Article
- DOI
10.1007/s00441-014-2083-6