{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nAlthough none of the abstracts directly mention MIR548AY, the studies collectively elucidate critical functions for the CRL4 substrate adaptor—commonly referred to as DCAF2, CDT2, or DTL—in ensuring proper cell cycle progression and genomic integrity. Given the shared regulatory networks that govern cell proliferation, DNA replication, and damage repair, it is plausible that MIR548AY—if connected to these pathways—might influence similar cellular processes. For example, in dendritic cells, DCAF2 mediates the polyubiquitination and proteolysis of proteins such as NIK, thereby preventing excessive inflammatory IL-23 production and modulating autoimmune responses."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn early embryogenesis and cell cycle regulation, DCAF2 has emerged as indispensable. Disruption of its function, as demonstrated in murine embryonic models, leads to catastrophic defects such as fragmented mitotic chromosomes, abnormal progression at early cell stages, and ultimately embryonic lethality."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "2", "end_ref": "4"}]}, {"type": "t", "text": " These findings underscore the importance of timely ubiquitin-mediated degradation in maintaining cell cycle fidelity and genome stability.\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nMoreover, the CRL4-DCAF2 complex plays a significant role in safeguarding DNA integrity in the context of cellular stress and disease. In virus-infected cells, for instance, DCAF2 facilitates the degradation of p21—via interactions with PCNA—thus enabling efficient viral replication."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "5"}]}, {"type": "t", "text": " In addition, DCAF2 is critical in T cells where its expression following T cell receptor stimulation ensures proper M phase exit and maintenance of peripheral T cell populations."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "6"}]}, {"type": "t", "text": " Finally, in breast cancer models, DCAF2-dependent ubiquitination of proteins such as RUVBL1 advances non-homologous end-joining repair activity and contributes to radioresistance."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "7"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Tao Huang, Zhengjun Gao, Yu Zhang, et al. "}, {"type": "b", "children": [{"type": "t", "text": "CRL4"}, {"type": "a", "children": [{"type": "t", "text": "sup"}], "href": "sup"}, {"type": "t", "text": "DCAF2"}, {"type": "a", "children": [{"type": "t", "text": "/sup"}], "href": "/sup"}, {"type": "t", "text": " negatively regulates IL-23 production in dendritic cells and limits the development of psoriasis."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Exp Med (2018)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1084/jem.20180210"}], "href": "https://doi.org/10.1084/jem.20180210"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "30018073"}], "href": "https://pubmed.ncbi.nlm.nih.gov/30018073"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Chao-Lien Liu, I-Shing Yu, Hung-Wei Pan, et al. "}, {"type": "b", "children": [{"type": "t", "text": "L2dtl is essential for cell survival and nuclear division in early mouse embryonic development."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Biol Chem (2007)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1074/jbc.M606535200"}], "href": "https://doi.org/10.1074/jbc.M606535200"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "17107960"}], "href": "https://pubmed.ncbi.nlm.nih.gov/17107960"}]}, {"type": "r", "ref": 3, "children": [{"type": "t", "text": "Yi-Wen Xu, Lan-Rui Cao, Min Wang, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Maternal DCAF2 is crucial for maintenance of genome stability during the first cell cycle in mice."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Cell Sci (2017)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1242/jcs.206664"}], "href": "https://doi.org/10.1242/jcs.206664"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "28818995"}], "href": "https://pubmed.ncbi.nlm.nih.gov/28818995"}]}, {"type": "r", "ref": 4, "children": [{"type": "t", "text": "Man Yang, Mei Liu, Zongting Wang, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Mice lacking DCAF2 in placenta die at the gastrulation stage."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Cell Tissue Res (2022)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1007/s00441-022-03655-4"}], "href": "https://doi.org/10.1007/s00441-022-03655-4"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "35711069"}], "href": "https://pubmed.ncbi.nlm.nih.gov/35711069"}]}, {"type": "r", "ref": 5, "children": [{"type": "t", "text": "Richard O Adeyemi, Matthew S Fuller, David J Pintel "}, {"type": "b", "children": [{"type": "t", "text": "Efficient parvovirus replication requires CRL4Cdt2-targeted depletion of p21 to prevent its inhibitory interaction with PCNA."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "PLoS Pathog (2014)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1371/journal.ppat.1004055"}], "href": "https://doi.org/10.1371/journal.ppat.1004055"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "24699724"}], "href": "https://pubmed.ncbi.nlm.nih.gov/24699724"}]}, {"type": "r", "ref": 6, "children": [{"type": "t", "text": "Keqi Fan, Fei Wang, Yiyuan Li, et al. "}, {"type": "b", "children": [{"type": "t", "text": "CRL4"}, {"type": "a", "children": [{"type": "t", "text": "sup"}], "href": "sup"}, {"type": "t", "text": "DCAF2"}, {"type": "a", "children": [{"type": "t", "text": "/sup"}], "href": "/sup"}, {"type": "t", "text": " is required for mature T-cell expansion via Aurora B-regulated proteasome activity."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Autoimmun (2019)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.jaut.2018.08.006"}], "href": "https://doi.org/10.1016/j.jaut.2018.08.006"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "30245026"}], "href": "https://pubmed.ncbi.nlm.nih.gov/30245026"}]}, {"type": "r", "ref": 7, "children": [{"type": "t", "text": "Jie Tian, Mingxin Wen, Peng Gao, et al. 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