A neuronal transmembrane protein LRFN4 complexes with 14-3-3s and NCK1 to induce morphological change in monocytic cells via Rac1-mediated actin cytoskeleton reorganization

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Abstract

We previously reported that leucine-rich repeat and fibronectin type III domain-containing 4 (LRFN4) functioned in migration and morphological change (i.e. cell elongation) of monocytic cells. Here, we examined a molecular mechanism regulating LRFN4-mediated cell elongation. We found that 14-3-3 and NCK proteins complexed with LRFN4, and they were involved in LRFN4-mediated cell elongation. We also identified the regions of LRFN4 interacting with NCK1 and 14-3-3s. Finally, we demonstrated that a Rac1 small GTPase was involved in LRFN4-mediated cell elongation. These results indicated that LRFN4 complexed with 14-3-3s and NCK1 to mediate elongation in monocytic cells via Rac-1-mediated actin cytoskeleton reorganization. Crown Copyright © 2012 Published by Elsevier B.V. on behalf of Federation of European Biochemical society. All rights reserved.

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Konakahara, S., Suzuki, Y., Kawakami, T., Saitou, M., Kajikawa, M., Masuho, Y., & Kohroki, J. (2012). A neuronal transmembrane protein LRFN4 complexes with 14-3-3s and NCK1 to induce morphological change in monocytic cells via Rac1-mediated actin cytoskeleton reorganization. FEBS Letters, 586(16), 2251–2259. https://doi.org/10.1016/j.febslet.2012.05.053

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