{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n Basic leucine zipper and W2 domain–containing protein 2 (BZW2), also known as eIF5‐mimic protein 1 (5MP1), is emerging as a multifunctional regulator of translation that influences both initiation codon selection and oncogenic signaling. At the molecular level, BZW2 interacts with core components of the translation machinery—competing with eIF5 for binding to eIF2—and thereby helps to maintain the homeostatic stringency of start codon selection. In doing so, it favors initiation at canonical AUG codons over alternative, non‐canonical start sites, a mechanism that can shift the balance of isoform expression of key growth regulators (for example, the oncogene c‐Myc) by promoting the more stable and transcriptionally potent AUG–initiated isoforms (1,2,3)."}]}, {"type": "t", "text": "\n \n "}, {"type": "p", "children": [{"type": "t", "text": "\n In several tumor types, BZW2 is found to be overexpressed and functionally linked to enhanced malignancy. In colorectal cancer, for example, BZW2 is amplified and drives tumor growth by stimulating cell cycle progression and promoting oncogenic signaling via the ERK/MAPK pathway; in parallel, its ability to reprogram c‐Myc translation further contributes to cancer cell proliferation and survival (4,5). Similar oncogenic roles have been demonstrated in osteosarcoma and muscle‐invasive bladder cancers, where BZW2 upregulation correlates with increased proliferation, invasion, and resistance to apoptosis via activation of signaling cascades such as the Akt/mTOR pathway (6,7). Moreover, in hematological malignancies like multiple myeloma—and in hepatocellular carcinoma—BZW2 is subject to regulation by microRNAs (for instance, miR‐140–3p and let–7a–5p), and its altered expression is associated with deregulated translation of pivotal oncogenic factors as well as poorer clinical outcomes (8,9,10,11).\n "}]}, {"type": "t", "text": "\n \n "}, {"type": "p", "children": [{"type": "t", "text": "\n Together, these findings indicate that BZW2 functions at the nexus of translation control and cancer biology. By modulating start codon selection and consequently steering the translation of oncogenic proteins, BZW2 emerges as a promising prognostic biomarker and therapeutic target across a spectrum of malignancies."}]}, {"type": "t", "text": "\n \n "}, {"type": "p", "children": [{"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "11"}]}, {"type": "t", "text": ""}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Chingakham Ranjit Singh, Ryosuke Watanabe, Donghui Zhou, et al. 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"}, {"type": "b", "children": [{"type": "t", "text": "Translational autoregulation of BZW1 and BZW2 expression by modulating the stringency of start codon selection."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "PLoS One (2018)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1371/journal.pone.0192648"}], "href": "https://doi.org/10.1371/journal.pone.0192648"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "29470543"}], "href": "https://pubmed.ncbi.nlm.nih.gov/29470543"}]}, {"type": "r", "ref": 3, "children": [{"type": "t", "text": "Hiroyuki Hiraishi, Jamie Oatman, Sherry L Haller, et al. 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"}, {"type": "b", "children": [{"type": "t", "text": "Novel oncogene 5MP1 reprograms c-Myc translation initiation to drive malignant phenotypes in colorectal cancer."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "EBioMedicine (2019)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.ebiom.2019.05.058"}], "href": "https://doi.org/10.1016/j.ebiom.2019.05.058"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "31175057"}], "href": "https://pubmed.ncbi.nlm.nih.gov/31175057"}]}, {"type": "r", "ref": 5, "children": [{"type": "t", "text": "Longping Huang, Si Chen, Haijun Fan, et al. "}, {"type": "b", "children": [{"type": "t", "text": "BZW2 promotes the malignant progression of colorectal cancer via activating the ERK/MAPK pathway."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Cell Physiol (2020)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1002/jcp.29361"}], "href": "https://doi.org/10.1002/jcp.29361"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "31643092"}], "href": "https://pubmed.ncbi.nlm.nih.gov/31643092"}]}, {"type": "r", "ref": 6, "children": [{"type": "t", "text": "Dong-Dong Cheng, Shi-Jie Li, Bin Zhu, et al. 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