CDKN2A inhibits formation of homotypic cell-in-cell structures.
CDKN2A inhibits formation of homotypic cell-in-cell structures.
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CDKN2A 抑制同型细胞内结构的形成
DOI:
10.1038/s41389-018-0056-4
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发表时间:
2018-06-05
期刊:
影响因子:
6.2
通讯作者:
Sun Q
中科院分区:
文献类型:
--
作者:
Liang J;Fan J;Wang M;Niu Z;Zhang Z;Yuan L;Tai Y;Chen Z;Song S;Wang X;Liu X;Huang H;Sun Q
Cell-in-cell (CIC) structures, characterized by enclosure of one or more cells within another cell, were extensively documented in human cancers. Although elevated CIC formation was found in cancers with CDKN2A inactivation, a causal link between them remains to be established. We reported here that inhibiting CDKN2A expression effectively promoted homotypic CIC formation, whereas ectopic overexpression of p16INK4a or p14ARF, two proteins encoded by CDKN2A gene, significantly suppressed CIC formation in MCF7 cells. The regulation of CIC formation by CDKN2A was tightly correlated with subcellular redistribution of E-cadherin, F-actin rearrangement and reduced phosphorylation of myosin light chain 2 (p-MLC2), consistent with which, CDKN2A expression imparted cells winner/outer identity in competition assay. Moreover, CIC formation negatively correlates with p16INK4a expression in human breast cancers. Thus, our work identifies CDKN2A as the first tumor suppressor whose inactivation promotes homotypic CIC formation in human cancer cells.
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影响因子:
3.3
作者:
Krajcovic M;Krishna S;Akkari L;Joyce JA;Overholtzer M
通讯作者:
Overholtzer M
影响因子:
8.8
作者:
Gu, F.;Pfeiffer, R. M.;Bhattacharjee, S.;Han, S. S.;Taylor, P. R.;Berndt, S.;Yang, H.;Sigurdson, A. J.;Toro, J.;Mirabello, L.;Greene, M. H.;Freedman, N. D.;Abnet, C. C.;Dawsey, S. M.;Hu, N.;Qiao, Y-L;Ding, T.;Brenner, A. V.;Garcia-Closas, M.;Hayes, R.;Brinton, L. A.;Lissowska, J.;Wentzensen, N.;Kratz, C.;Moore, L. E.;Ziegler, R. G.;Chow, W-H;Savage, S. A.;Burdette, L.;Yeager, M.;Chanock, S. J.;Chatterjee, N.;Tucker, M. A.;Goldstein, A. M.;Yang, X. R.
通讯作者:
Yang, X. R.
DOI:
10.1083/jcb.201702010
发表时间:
2017-10-02
期刊:
The Journal of cell biology
影响因子:
--
作者:
Hinojosa LS;Holst M;Baarlink C;Grosse R
通讯作者:
Grosse R
影响因子:
2.1
作者:
Sun Q;Huang H;Overholtzer M
通讯作者:
Overholtzer M
影响因子:
2.5
作者:
Ning, X.;Luo, T.;Sun, Q.
通讯作者:
Sun, Q.