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- W3100293423 abstract "Abstract The mechanisms by which the nuclear lamina of tumor cells controls their migration and survival are poorly understood. Lamin A and its variant lamin C are key nuclear lamina proteins that control nucleus stiffness and chromatin conformation. Downregulation of lamin A/C levels in two metastatic lines, B16F10 melanoma and E0771 breast carcinoma, facilitated cell squeezing through rigid pores, elevated nuclear deformability and reduced heterochromatin. Unexpectedly, the transendothelial migration of both cancer cells in vitro and in vivo, through lung capillaries, was not elevated by lamin A/C knockdown. Both cancer cells with lamin A/C knockdown grew normally in primary tumors and in vitro on rigid surfaces. Strikingly, however, both lamin A/C deficient melanoma and breast cancer cells grew poorly in 3D spheroids expanded in soft agar cultures. Experimental lung metastasis of both lamin A/C knockdown cells was also markedly reduced. Taken together, our results suggest that high content of lamin A/C in multiple cancer cells promotes cancer cell survival and ability to generate lung metastasis without compromising cancer cell emigration from lung vessels." @default.
- W3100293423 created "2020-11-23" @default.
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- W3100293423 date "2020-06-24" @default.
- W3100293423 modified "2023-09-26" @default.
- W3100293423 title "Nuclear lamin A/C promotes cancer cell survival and lung metastasis without restricting transendothelial migration" @default.
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