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Schematic of cell adhesion. Cell adhesion is the process by which cells interact and attach to neighbouring cells through specialised molecules of the cell surface. This process can occur either through direct contact between cell surfaces such as cell junctions or indirect interaction, where cells attach to surrounding extracellular matrix, a gel-like structure containing molecules released ...
Note 1: Adhesion requires energy that can come from chemical and/or physical linkages, the latter being reversible when enough energy is applied. Note 2: In biology, adhesion reflects the behavior of cells shortly after contact to the surface. Note 3: In surgery, adhesion is used when two tissues fuse unexpectedly. [1]
For example, they block the metastatic cancer cells' ability to extravasate and home to secondary sites. This has been successfully demonstrated in metastatic melanoma that hones to the lungs. In mice, when antibodies directed against CAMs in the lung endothelium were used as treatment there was a significant reduction in the number of ...
This is the source of traction required for migration; the focal adhesion acts as a molecular clutch when it tethers to the ECM and impedes the retrograde movement of actin, thus generating the pulling (traction) force at the site of the adhesion that is necessary for the cell to move forward.
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Escherichia coli FimH provides an example of conformation specific immune response which enhances impact on the protein. [19] By studying this particular adhesion, researchers hope to develop adhesion-specific vaccines which may serve as a model for antibody-mediation of pathogen adhesion.
Mucoadhesion involves several types of bonding mechanisms, and it is the interaction between each process that allows for the adhesive process. The major categories are wetting theory, adsorption theory, diffusion theory, electrostatic theory, and fracture theory. [5]
SH-SY5Y cells adhered to a surface. The history of suspension cell culture is closely tied to the overall history of cell and tissue culture. In 1885, Wilhelm Roux laid the groundwork for future tissue culture, by developing a saline buffer that was used to maintain living cells (chicken embryos) for a few days. [6]