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<p>The molecular mechanisms underlying cell migration remain incompletely understood. Here, we show that knock-out cells for <i>NHSL3</i>, the most recently identified member of the Nance-Horan Syndrome family, are more persistent than parental cells in single cell migration, but that, in wound healing, follower cells are impaired in their ability to follow leader cells. The <i>NHSL3</i> locus encodes several isoforms. We identify the partner repertoire of each isoform using proteomics and predict direct partners and their binding sites using an AlphaFold2-based pipeline. Rescue with specific isoforms, and lack of rescue when relevant binding sites are mutated, establish that the interaction of a long isoform with MENA/VASP proteins is critical at cell-cell junctions for collective migration, while the interaction of a short one with 14-3-3θ in lamellipodia is critical for single cell migration. Taken together, these results demonstrate that NHSL3 regulates single and collective cell migration through distinct mechanisms.</p>

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NHSL3 controls single and collective cell migration through two distinct mechanisms

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年1月2日

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  • Nikita M. Novikov,
  • Jinmei Gao,
  • Artem I. Fokin,
  • Nathalie Rocques,
  • Giovanni Chiappetta,
  • Karina D. Rysenkova,
  • Diego Javier Zea,
  • Anna Polesskaya,
  • Joelle Vinh,
  • Raphael Guerois,
  • Alexis M. Gautreau

摘要

The molecular mechanisms underlying cell migration remain incompletely understood. Here, we show that knock-out cells for NHSL3, the most recently identified member of the Nance-Horan Syndrome family, are more persistent than parental cells in single cell migration, but that, in wound healing, follower cells are impaired in their ability to follow leader cells. The NHSL3 locus encodes several isoforms. We identify the partner repertoire of each isoform using proteomics and predict direct partners and their binding sites using an AlphaFold2-based pipeline. Rescue with specific isoforms, and lack of rescue when relevant binding sites are mutated, establish that the interaction of a long isoform with MENA/VASP proteins is critical at cell-cell junctions for collective migration, while the interaction of a short one with 14-3-3θ in lamellipodia is critical for single cell migration. Taken together, these results demonstrate that NHSL3 regulates single and collective cell migration through distinct mechanisms.