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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 ...
Adherent cell cultures are a type of cell culture that requires cells to be attached to a surface in order for growth to occur. [1] Most vertebrate derived cells (with the exception of hematopoietic cells) can be cultured and require a 2 dimensional monolayer that to facilitate cell adhesion and spreading. [2]
The best-characterized ligand for the three selectins is P-selectin glycoprotein ligand-1 , which is a mucin-type glycoprotein expressed on all white blood cells. Selectins have been implicated in several roles but they are especially important in the immune system by helping white blood cell homing and trafficking. [20]
Trypsinization is the process of cell dissociation using trypsin, a proteolytic enzyme which breaks down proteins, to dissociate adherent cells from the vessel in which they are being cultured. When added to cell culture, trypsin breaks down the proteins that enable the cells to adhere to the vessel.
Adherent cells, for example many mammalian cell lines, grow attached to a surface such as the bottom of a cell culture flask or petri dish. These cell types have to be detached from the surface before they can be subcultured. For adherent cells, cell density is normally measured in terms of confluency, the percentage of the growth surface ...
During cell migration, both the composition and the morphology of the focal adhesion change. Initially, small (0.25μm 2) focal adhesions called focal complexes (FXs) are formed at the leading edge of the cell in lamellipodia: they consist of integrin, and some of the adapter proteins, such as talin, paxillin and tensin. Many of these focal ...
Cell culture is a fundamental component of tissue culture and tissue engineering, as it establishes the basics of growing and maintaining cells in vitro. The major application of human cell culture is in stem cell industry, where mesenchymal stem cells can be cultured and cryopreserved for future use. Tissue engineering potentially offers ...
Such cells are called anchorage-dependent cells. Therefore, many substrates which may be adhesive (e.g. plastic, glass, palladium, metallic surfaces, etc.) or non-adhesive (e.g. agar, agarose, etc.) types may be used as discussed below: Plastic as a substrate. Disposable plastics are cheaper substrate as they are commonly made up of polystyrene ...