›› 2014, Vol. 29 ›› Issue (9): 897-802.DOI: 10.3969/j.issn.1673-8640.2014.09.007

Previous Articles     Next Articles

The experimental study of establishing tumor-associated macrophage model

ZHANG Guoliang, LIU Yiwen, HE Yiqing, YANG Cuixia, WANG Wenjuan, DU Yan, GAO Feng   

  1. Center for Clinical Laboratory, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai 200233, China
  • Received:2014-04-09 Online:2014-09-30 Published:2014-09-25

Abstract:

Objective To establish the differentiation model of tumor-associated macrophages (TAM) in vitro. Methods Monocytes were isolated from the peripheral blood of healthy subjects and cultured in vitro. After stimulation by interleukin 4(IL-4) and interleukin 13(IL-13), the expression changes of molecule markers on monocytes were determined by flow cytometry, including CD14, CD204 and CD206. The levels of interleukin 10 (IL-10) secreted by monocytes weredetermined by enzyme-linked iummunosorbent assay (ELISA). After coculturing with monocytes, the apoptosis of tumor cells was investigated by Hoechst staining. Results After stimulation by IL-4 and IL-13, monocytes exhibited a markedly altered phenotype with retained CD14, the increasing expressions of CD204 and CD206 and the increasing amount of secreted IL-10. Moreover, when coculturing with tumor cells, the cytotoxity of monocytes on tumor cells was inhibited by IL-4/IL-13. Conclusions IL-4/IL-13 could induce monocytes to exhibit TAM phenotype and function, indicating IL-4/IL-13 could be applied to the establishment of TAM differentiation model, which can be used inthe research of TAM.

Key words: Tumor-associated macrophage, Interleukin 4, Interleukin 13, Monocyte, M2 macrophage

CLC Number: