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Dictionary > Cell structure > Cell junctions

 Staining of cell junctions in human cell line U-2 OS (HPA036538)
Scale bar represents 10µm

Cell junctions

Cell junctions occur between two cells or between a cell and the extracellular matrix. Depending on cell type, they may have different functions: from transmission of stress to channel formation. Some cell junctions are critical for cell to cell communication as well as signal transduction.

Immunofluorescent staining

Staining of cell junctions can only be observed when the cells are in contact. The staining is very specific, and is only seen at the actual site of cell-cell connections.

Examples IF

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