what are actin filaments edit actin filaments f actin are linear polymers of globular actin g actin subunits and occur as microfilaments in the cytoskeleton and as thin filaments which are part of the contractile apparatus in muscle and nonmuscle cells see contractile bundles
CELLULAR ADHESION MOLECULES 91 Thus, modulation of syndecan expression may be required for the maintenance of some tumors.67 In humans, Ridley et al68 have examined syndecan expression, structure, and function on myeloma cells.
In animals, the ECM can surround cells as fibrils that contact the cells on all sides, or as a sheet called the basement membrane that cells âsit onâ. Cells in animals are also linked directly to each other by cell adhesion molecules (CAMs) at the cell surface.ECM is composed of proteins and polysaccharides.Connective tissue is largely ECM together with a few cells. 1  For cells ECM provides: 2  mechanical support. 3  a biochemical barrier. 4  a medium for: 5  extracellular communication that is assisted by CAMs. 6  the stable positioning of cells in tissues through cell matrix adhesion.n animals, the ECM can surround cells as fibrils that contact the cells on all sides, or as a sheet called the basement membrane that cells âsit onâ. Cells in animals are also linked directly to each other by cell adhesion molecules (CAMs) at the cell surface.