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Cell Immunol. 2017 Jan;311:86-93. doi: 10.1016/j.cellimm.2016.11.002. Epub 2016 Nov 2.

Resveratrol inhibits lung cancer growth by suppressing M2-like polarization of tumor associated macrophages.

Author information

1
Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Disease, Department of Intervention, Tianjin Huanhu Hospital, Tianjin 300060, PR China.
2
Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Disease, Department of Intervention, Tianjin Huanhu Hospital, Tianjin 300060, PR China. Electronic address: rongjiango@126.com.

Abstract

In cancer, tumor associated macrophages (TAMs) play an important role in the cancer progression, evasion of immunity and dissemination of cancer cells. Inhibition of the activation or the M2 polarization of TAMs is an effective therapy for cancer. In the present study, we investigated the ability of resveratrol (RES) to inhibit lung cancer growth using in vitro and in vivo studies, and examined the underlying mechanisms. We demonstrated that M2 polarization of human monocyte derived macrophage (HMDMs) induced by the lung cancer cells conditioned medium was inhibited by RES. Additionally, RES exhibited inhibitory function in lung cancer cells co-cultured with human macrophages. The activity of signal transducer and activator of transcription 3 (STAT3) was significantly decreased by RES. Moreover, in a mouse lung cancer xenograft model, RES significantly inhibited the tumor growth, which was associated with inhibition of cell proliferation and decreased expression of p-STAT3 in tumor tissues. Further, RES inhibits F4/80 positive expressing cells and M2 polarization in the tumors. These results suggest that RES can effectively inhibit lung cancer progression by suppressing the protumor activation of TAMs.

KEYWORDS:

Lung cancer; Macrophages; Resveratrol; STAT3

PMID:
27825563
DOI:
10.1016/j.cellimm.2016.11.002
[Indexed for MEDLINE]

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