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© Research
Publication : Journal of cell science

Myo10 is a key regulator of TNT formation in neuronal cells

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Journal of cell science - 25 Jul 2013

Gousset K, Marzo L, Commere PH, Zurzolo C

Link to Pubmed [PMID] – 23886947

J. Cell. Sci. 2013 Oct;126(Pt 19):4424-35

Cell-to-cell communication is essential in multicellular organisms. Tunneling nanotubes (TNTs) have emerged as a new type of intercellular spreading mechanism allowing the transport of various signals, organelles and pathogens. Here, we study the role of the unconventional molecular motor myosin-X (Myo10) in the formation of functional TNTs within neuronal CAD cells. Myo10 protein expression increases the number of TNTs and the transfer of vesicles between co-cultured cells. We also show that TNT formation requires both the motor and tail domains of the protein, and identify the F2 lobe of the FERM domain within the Myo10 tail as necessary for TNT formation. Taken together, these results indicate that, in neuronal cells, TNTs can arise from a subset of Myo10-driven dorsal filopodia, independent of its binding to integrins and N-cadherins. In addition our data highlight the existence of different mechanisms for the establishment and regulation of TNTs in neuronal cells and other cell types.

http://www.ncbi.nlm.nih.gov/pubmed/23886947