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Cell junctions [1] or junctional complexes are a class of cellular structures consisting of multiprotein complexes that provide contact or adhesion between neighboring cells or between a cell and the extracellular matrix in animals. [2] . They also maintain the paracellular barrier of epithelia and control paracellular transport.
Wikipedia. Transcript. Content Reviewers. Contributors. are protein structures that physically connect cells to one another. facilitate for cellular communication, boost tissue structure, help with transport of materials between cells, or create an impermeable barrier for certain substances.
Key Points. Plasmodesmata are intercellular junctions between plant cells that enable the transportation of materials between cells. A tight junction is a watertight seal between two adjacent animal cells, which prevents materials from leaking out of cells.
In the paper, we perform a wide parameter investigation, varying age-associated parameters including gap junctional conductance ( fgap ), cell size ( S ), Na + channel density (ρ Na ), and Na + channel ID localization ( IDNa) and measure CV in simulated cardiac tissue.
27 de nov. de 2018 · The exon junction complex (EJC) deposited upstream of mRNA exon junctions shapes structure, composition, and fate of spliced mRNA ribonucleoprotein particles (mRNPs). To achieve this, the EJC core nucleates assembly of a dynamic shell of peripheral proteins that function in diverse post-transcriptional processes.
Paranodal junctions are the largest vertebrate junctional adhesion complex, and they are essential for rapid saltatory conduction and contribute to assembly and maintenance of nodes. However, the molecular mechanisms underlying paranodal junction assembly are poorly understood.
Diabetes inhibits corneal epithelial cell migration and tight junction formation in mice and human via increasing ROS and impairing Akt signaling. Acta Pharmacol Sin. 2019 Sep;40 (9):1205-1211. doi: 10.1038/s41401-019-0223-y. Epub 2019 Mar 13.
