{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nRecent studies indicate that MIR2054 functions, at least in part, by modulating the expression and activity of NEDD9 (also known as Cas‐L or HEF1), a central scaffolding protein that orchestrates cell adhesion, migration, and intracellular signaling. In cancer models, elevated NEDD9 expression supports aggressive tumor cell invasion and metastasis through promotion of focal adhesion stabilization, integrin receptor activation, and dynamic turnover of cell–cell junction components such as E‐cadherin. Moreover, NEDD9 facilitates key oncogenic signaling cascades mediated by SRC, FAK, and AURKA, which underscores a potential role for the MIR2054–NEDD9 axis as a target for therapeutic intervention in diverse cancers."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "7"}]}, {"type": "t", "text": ""}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn developmental contexts, NEDD9 is crucial for proper embryogenesis and organ formation. It is dynamically regulated by retinoic acid and other transcriptional cues in the neural tube, where it guides neural crest cell delamination, migration, and the maintenance of progenitor cell populations. The precise spatiotemporal expression of NEDD9 governs neurogenesis and the formation of critical structures in the brain and other organs. Thus, by influencing NEDD9 levels, MIR2054 may indirectly determine key cell fate decisions and support coordinated morphogenetic processes during early development."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "8", "end_ref": "12"}]}, {"type": "t", "text": ""}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nBeyond its roles in development and oncogenesis, NEDD9 is also a pivotal regulator of immune cell function and cytoskeletal dynamics. It contributes to effective T-cell activation by linking T-cell receptor microclusters to the underlying actin network at the immunological synapse, thereby promoting calcium signaling and integrin-mediated adhesion. In addition, NEDD9 modulates osteoclastogenesis, focal adhesion turnover in migratory fibroblasts, and even ciliary structure in renal epithelia. These findings collectively suggest that the MIR2054–NEDD9 regulatory network is integral not only to cellular motility and adhesion but also to immune responses and tissue homeostasis."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "13", "end_ref": "19"}]}, {"type": "t", "text": ""}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Mahendra K Singh, Eugene Izumchenko, Andres J Klein-Szanto, et al. 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