Autophagy Drives Galectin-1 Secretion From Tumor-Associated Macrophages Facilitating Hepatocellular Carcinoma Progression.
Autophagy Drives Galectin-1 Secretion From Tumor-Associated Macrophages Facilitating Hepatocellular Carcinoma Progression.
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自噬驱动肿瘤相关巨噬细胞分泌半乳糖凝集素-1促进肝细胞癌进展
DOI:
10.3389/fcell.2021.741820
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发表时间:
2021
影响因子:
5.5
通讯作者:
Chang CP
中科院分区:
文献类型:
--
作者:
Davuluri GVN;Chen CC;Chiu YC;Tsai HW;Chiu HC;Chen YL;Tsai PJ;Kuo WT;Tsao N;Lin YS;Chang CP
Galectin-1 (Gal-1) is a secretory lectin with pro-tumor activities and is associated strongly with hepatocellular carcinoma (HCC) development. Although Gal-1 is a well-known soluble pro-tumor factor in the tumor microenvironment (TME), the secretion mode of Gal-1 is not clearly defined. On the other hand, in addition to cancer cells, Gal-1 is widely expressed in tumor stromal cells, including tumor-associated macrophages (TAMs). TAMs are a significant component of stromal cells in TME; however, their contributions in producing Gal-1 to TME are still not explored. Here we reveal that TAMs can actively secrete Gal-1 in response to stimuli of HCC cells. Gal-1 produced by TAMs leads to an increase of the systemic level of Gal-1 and HCC tumor growth in mice. Mechanistically, TLR2-dependent secretory autophagy is found to be responsible for Gal-1 secretion from TAMs. Gal-1 acts as a cargo of autophagosomes to fuse with multivesicular bodies via Rab11 and VAMP7-mediated vesicle trafficking before being secreted. This autophagy-regulated Gal-1 secretion in TAMs correlates to poor overall survival and progression-free survival rates of HCC patients. Our findings uncover the secretion mode of Gal-1 via secretory autophagy and highlight the pathological role of TAM-produced Gal-1 in HCC progression.
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影响因子:
3.9
作者:
Huang Y;Ge W;Zhou J;Gao B;Qian X;Wang W
通讯作者:
Wang W
影响因子:
--
作者:
Dhanasekaran, Renumathy;Bandoh, Salome;Roberts, Lewis R
通讯作者:
Roberts, Lewis R
DOI:
10.1007/978-3-030-43093-1_2
发表时间:
2020-01-01
期刊:
TUMOR MICROENVIRONMENT: MOLECULAR PLAYERS, PT A
影响因子:
--
作者:
Martinez-Bosch, Neus;Navarro, Pilar
通讯作者:
Navarro, Pilar
影响因子:
4.2
作者:
Park, Ga Bin;Chung, Yoon Hee;Kim, Daejin
通讯作者:
Kim, Daejin
影响因子:
4.7
作者:
Arora L;Pal D
通讯作者:
Pal D