ICAM3 mediates inflammatory signaling to promote cancer cell stemness.
ICAM3 mediates inflammatory signaling to promote cancer cell stemness.
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ICAM3 介导炎症信号以促进癌细胞干细胞性
DOI:
10.1016/j.canlet.2018.02.034
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发表时间:
2018-05-28
期刊:
影响因子:
9.7
通讯作者:
Luo Y
中科院分区:
文献类型:
--
作者:
Shen W;Xie J;Zhao S;Du R;Luo X;He H;Jiang S;Hao N;Chen C;Guo C;Liu Y;Chen Y;Sun P;Yang S;Luo N;Xiang R;Luo Y
In this study, we present a medium throughput siRNA screen platform to identify inflammation genes that regulate cancer cell stemness. We identified several novel candidates that decrease OCT4 expression and reduce the ALDH+ subpopulation both of which are characteristic of stemness. Furthermore, one of the novel candidates ICAM3 up-regulates in the ALDH+ subpopulation, the side population and the developed spheres. ICAM3 knockdown reduces the side population, sphere formation and chemo-resistance in MDA-MB-231 human breast cancer cells and A549 lung cancer cells. In addition, mice bearing MDA-MB-231-shICAM3 cells develop smaller tumors and fewer lung metastases versus control. Interestingly, ICAM3 recruits and binds to Src by the YLPL motif in its intracellular domain which further activates the PI3K-AKT phosphorylation cascades. The activated p-AKT enhances SOX2 and OCT4 activity and thereby maintains cancer cell stemness. Meanwhile, the p-AKT facilitated p50 nuclear translocation/activation enhances p50 feedback and thereby promotes ICAM3 expression by binding to the ICAM3 promoter region. On this basis, Src and PI3K inhibitors suppress ICAM3-mediated signaling pathways and reduce chemo-resistance which results in tumor growth suppression in vitro and in vivo. In summary, we identify a potential CSC regulator and suggest a novel mechanism by which ICAM3 governs cancer cell stemness and inflammation.
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影响因子:
3.7
作者:
Tsai SB;Chien MF;Xue Y;Li L;Jiang X;Chen Q;Zhou J;Wang L
通讯作者:
Wang L
影响因子:
--
作者:
Azmi AS;Bollig-Fischer A;Bao B;Park BJ;Lee SH;Yong-Song G;Dyson G;Reddy CK;Sarkar FH;Mohammad RM
通讯作者:
Mohammad RM
DOI:
10.1016/j.bbrc.2013.10.096
发表时间:
2013-11-15
影响因子:
3.1
作者:
Ahn, Kwang-Chul;Choi, Jae Yeon;Um, Hong-Duck
通讯作者:
Um, Hong-Duck
影响因子:
48
作者:
Prewitz, Marina C.;Seib, F. Philipp;Werner, Carsten
通讯作者:
Werner, Carsten
影响因子:
8
作者:
Pang MF;Georgoudaki AM;Lambut L;Johansson J;Tabor V;Hagikura K;Jin Y;Jansson M;Alexander JS;Nelson CM;Jakobsson L;Betsholtz C;Sund M;Karlsson MC;Fuxe J
通讯作者:
Fuxe J