N-myc and STAT interactor (NMI)

N-myc and STAT interactor (NMI) is a multifunctional, inducible protein that acts primarily as a transcriptional coregulator and adapter molecule, interacting with key oncogenic and tumor suppressor transcription factors, such as c-Myc, N-Myc, STAT (signal transducer and activator of transcription) family members (except STAT2), and BRCA1[1][2][5]. NMI modulates a variety of cellular processes including signal transduction, apoptosis, cell proliferation, immune response, DNA damage sensing/repair, and autophagy in a highly context-dependent manner[1][2][3][4][5]. NMI participates in cytokine-mediated signaling (notably IFN-γ and IL-2), enhances STAT-dependent transcription, regulates the immune response, and can act both as an intracellular and extracellular modulator[2][5]. In cancer, NMI can function as a tumor suppressor—for example, by promoting apoptosis via the ARF–p53 axis and facilitating DNA damage response—or as a pro-tumorigenic factor depending on cell context[1][3][4]. Loss of NMI is implicated in enhanced tumor invasiveness, epithelial-mesenchymal transition, chemoresistance, and dysregulation of autophagy and Wnt/TGFβ signaling, especially in breast and other cancers[1][3][4]. NMI does not have known, direct small-molecule drug interactions or clinically approved targeted therapies as of now[1][2][4][5].

Other names

N-myc-interactorNMIN-myc and STAT interactorNmi