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Characterization and Biological Activity of Taishan Pinus massoniana Pollen Polysaccharide In Vitro

Fig 4

Effects of TPPPS1-3 and TPPPS on IL-2 and TNF secretion in vitro.

Activated splenocytes in 96-well plates were treated with different concentrations of TPPPS1-3 and TPPPP, then IL-2 and TNF in the supernatant was detected by ELISA. PBS treatment wells served as the control, and the values are presented as mean ± SD of five independent experiments. An asterisk indicates that the value of the corresponding group was significantly different from that of the control group (P < 0.05, ANOVA).

Fig 4