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Role of E-cadherin in the response of tumor cell aggregates to lymphatic, venous and arterial flow: measurement of cell-cell adhesion strength
Journal article   Open access   Peer reviewed

Role of E-cadherin in the response of tumor cell aggregates to lymphatic, venous and arterial flow: measurement of cell-cell adhesion strength

S W Byers, C L Sommers, B Hoxter, A M Mercurio and A Tozeren
Journal of cell science, v 108 ( Pt 5)(5), pp 2053-2064
May 1995
DOI: https://doi.org/10.1242/jcs.108.5.2053
PMID: 7657723
Featured in Collection :   UN Sustainable Development Goals @ Drexel
url
https://escholarship.umassmed.edu/cancerbiology_pp/134View
SubmittedOpen Access (License Unspecified),  Open

Abstract

Breast - cytology Rheology Humans Neoplasm Proteins - physiology Lymphatic System Stress, Mechanical L Cells (Cell Line) Cadherins - physiology Epithelial Cells Hemorheology Cell Adhesion Arteries Neoplasm Invasiveness - physiopathology Animals Calcium - physiology Transfection Veins Breast Neoplasms - pathology Colonic Neoplasms - pathology Neoplastic Cells, Circulating Cell Aggregation Mice Tumor Cells, Cultured Carcinoma - pathology
Defects in the expression or function of the calcium dependent cell-cell adhesion molecule E-cadherin are common in invasive, metastatic carcinomas. In the present study the response of aggregates of breast epithelial cells and breast and colon carcinoma cells to forces imposed by laminar flow in a parallel plate flow channel was examined. Although E-cadherin negative tumor cells formed cell aggregates in the presence of calcium, these were significantly more likely than E-cadherin positive cell aggregates to disaggregate in response to low shear forces, such as those found in a lymphatic vessel or venule (< 3.5 dyn/cm2). E-cadherin positive normal breast epithelial cells and E-cadherin positive breast tumor cell aggregates could not be disaggregated when exposed to shear forces in excess of those found in arteries (> 100 dyn/cm2). E-cadherin negative cancer cells which had been transfected with E-cadherin exhibited large increases in adhesion strength only if the expressed protein was appropriately linked to the cytoskeleton. These results show that E-cadherin negative tumor cells, or cells in which the adhesion molecule is present but is inefficiently linked to the cytoskeleton, are far more likely than E-cadherin positive cells to detach from a tumor mass in response to low shear forces, such as those found in a lymphatic vessel or venule. Since a primary route of dissemination of many carcinoma cells is to the local lymph nodes these results point to a novel mechanism whereby defects in cell-cell adhesion could lead to carcinoma cell dissemination.

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Collaboration types
Domestic collaboration
Web of Science research areas
Cell Biology
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