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. 2021 Jan 8;478(1):21–39. doi: 10.1042/BCJ20200710

Figure 7. GSLC network.

Figure 7.

GSLCs interconnect through different types of cellular extensions. TMs are thick (>1 µm) protrusions that can either contact other cells through GAP-junctions, allowing the propagation of calcium flux, or be individual finger-like extensions not connecting remote cells. They can be positive for GAP43 (rectangles along the membranes of TM), neuronal Growth-Associated Protein. GSLCs also interconnect through TNTs, thinner (<1 µm), open-ended connections which allow transfer of cellular cargos, such as mitochondria (ovals in TNTs).