ArticleInternational journal of molecular sciences2026
The Impact of Zinc on T Cell Motility and the Immunological Synapse.
Article in International journal of molecular sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Zinc is an essential trace element with a critical role in regulating immune functions. Patients with autoimmune diseases or chronic lymphatic leukemia often exhibit lower serum zinc levels. As T cells are key mediators of adaptive immunity, disturbances in zinc homeostasis can strongly affect their function. Effective T cell activity depends on directed migration to inflamed tissues, requiring coordinated cytoskeletal reorganization. This process involves the formation of a leading edge and a trailing edge (uropod) and is regulated by the ezrin-radixin-moesin (ERM) complex and its interaction with focal adhesion kinase (FAK). We investigated how zinc availability influences the expression and phosphorylation of FAK and ERM, as well as other migration-related molecules, including LFA-1 and the CD49d/CD44 complex, using Western blot, qRT-PCR, and flow cytometry in the HUT78 T cell line. Cells were cultured in media with different zinc concentrations. Zinc deficiency reduced FAK and ERM expression and decreased LFA-1 while increasing CD49d expression. Overall, these findings indicate that zinc deficiency compromises cytoskeletal remodeling and may impair T cell motility. Maintaining zinc homeostasis could thus enhance T cell migration and strengthen immune responsiveness, highlighting the potential therapeutic relevance of zinc in immune modulation.
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