Panax notoginseng Inhibits Tumor Growth through Activating Macrophage to M1 Polarization

The American Journal of Chinese Medicine
Bosung KimKi-Tae Ha

Abstract

Among the herbal ingredients of HangAmDan-B, a medicinal formula that redirects macrophages to become tumoricidal effectors, we found that Panax notoginseng (Burk.) F. H. Chen is the active component responsible for its macrophage-mediated antitumor activity. The water extracted roots of P. notoginseng (PN) did not affect the viability of RAW264.7 murine macrophage-like cells and murine Lewis lung carcinoma (LLC) cells up to a concentration of 100[Formula: see text][Formula: see text]g/mL. However, the transfer of culture media from PN-treated RAW264.7 cells suppressed the growth of LLC cells. The expression of classically activated (M1) markers, such as interleukin (IL)-1[Formula: see text], monocyte chemotactic protein (MCP)-1, tumor necrosis factor (TNF)-[Formula: see text], and inducible nitric oxide synthase (iNOS), was increased by PN treatment. The expression of alternatively activated (M2) markers including CD206, IL-10, and [Formula: see text]-[Formula: see text]-acetylhexosaminidases (YM-1) was reduced by PN treatment in the presence of IL-4. Flow cytometry also revealed that PN drives M1 activation of RAW264.7 cells. The transfer of culture media from PN-treated RAW264.7 cells induced the apoptosis of LLC cells as me...Continue Reading

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Citations

Oct 23, 2019·Evidence-based Complementary and Alternative Medicine : ECAM·Wei LiuMing Q Wei
Jun 11, 2021·The Kaohsiung Journal of Medical Sciences·Dmitry Aminin, Yun-Ming Wang

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