Please use this identifier to cite or link to this item: http://dx.doi.org/10.18419/opus-1967
Authors: Hülser, Dieter F.
Title: Intercellular communication in three-dimensional culture
Issue Date: 1992
metadata.ubs.publikation.typ: Buchbeitrag
metadata.ubs.publikation.source: Bjerkvig, Rolf (Hrsg.): Spheroid culture in cancer research. Boca Raton : CRC Pr., 1992. - ISBN 0-8493-6433-7, S. 171-196
URI: http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-69054
http://elib.uni-stuttgart.de/handle/11682/1984
http://dx.doi.org/10.18419/opus-1967
Abstract: The coordination of cell growth and differentiation as well as of tissue homeostasis and synchronization of tissue functions requires the transfer of information between cells. This may be achieved by an unidirectional signal flow, as is the case with secreted molecules (hormones. neurotransmitters) and or with membrane-bound receptors (sperm-egg binding, immune system). It can also follow a nonrectifying mode. as is observed for direct intercellular communication via gap junctions that are founed in regions of close cell-to-cell contact. These membrane channels are not only bidirectionally permeable and facilitate the free exchange of charged and neutral molecules, but also connect adjacent cells mechanically. They must be clearly discriminated from desmosomes, which anchor cells together to form structural or functional units, as well as from tight junctions that seal membranes of epithelial cells to each other so that the paracellular path becomes impermeable to molecules, and a polarity of apical and basolateral surface is maintained.
Appears in Collections:04 Fakultät Energie-, Verfahrens- und Biotechnik

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