In biology, juxtacrine signaling is a type of intercellular communication which is transmitted via oligosaccharide, lipid or protein components of a cell membrane and may affect either the emitting cell or immediately adjacent cells.
It occurs between adjacent cells that possess broad patches of closely opposed plasma membrane linked by transmembrane channels known as connexons. The gap between the cells can only usually be between 2-4nm.
- Juxtacrine Signaling in Developmental Biology by Scott F. Gilbert
- Juxtacrine at eMedicine Dictionary
- "Autocrine versus juxtacrine signaling modes" - illustration at sysbio.org
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