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Title: Nuclear deformation during breast cancer cell transmigration
Authors: VanDongen, Antonius M. J.
Fu, Yi
Chin, Lip Ket
Bourouina, Tarik
Liu, Ai Qin
Keywords: DRNTU::Science::Medicine::Biomedical engineering
Issue Date: 2012
Source: Fu, Y., Chin, L. K., Bourouina, T., Liu, A. Q., & VanDongen, A. M. J. (2012). Nuclear deformation during breast cancer cell transmigration. Lab on a Chip, 12(19), 3774-3778.
Series/Report no.: Lab on a chip
Abstract: Metastasis is the main cause of cancer mortality. During this process, cancer cells dislodge from a primary tumor, enter the circulation and form secondary tumors in distal organs. It is poorly understood how these cells manage to cross the tight syncytium of endothelial cells that lines the capillaries. Such capillary transmigration would require a drastic change in cell shape. We have therefore developed a microfluidic platform to study the transmigration of cancer cells. The device consists of an array of microchannels mimicking the confined spaces encountered. A thin glass coverslip bottom allows high resolution imaging of cell dynamics. We show that nuclear deformation is a critical and rate-limiting step for transmigration of highly metastatic human breast cancer cells. Transmigration was significantly reduced following the treatment with a protein methyltransferase inhibitor, suggesting that chromatin condensation might play an important role. Since transmigration is critical for cancer metastasis, this new platform may be useful for developing improved cancer therapies.
DOI: 10.1039/c2lc40477j
Fulltext Permission: none
Fulltext Availability: No Fulltext
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