{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nThe provided abstracts do not report any information on LINC02511. Instead, they delineate the central functions of the RNA methyltransferase METTL5. METTL5 catalyzes the installation of N6‐methyladenosine (m6A) on 18S ribosomal RNA, a modification that underpins efficient ribosome synthesis and function. In mouse embryonic stem cells, loss of METTL5 results in decreased overall translation, impairment of pluripotency, and defective differentiation, thereby highlighting its key role in stem cell maintenance and early developmental transitions."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nMoreover, METTL5-driven rRNA m6A modification has been implicated in oncogenesis, as evidenced in intrahepatic cholangiocarcinoma (ICC). Aberrant upregulation of METTL5 correlates with poorer patient survival and contributes to tumor cell growth and metastasis. Mechanistically, disrupted METTL5 activity hampers the translation of mRNAs enriched in regulatory elements—such as G-quadruplex motifs—that are involved in signaling pathways like TGF‐β, thereby promoting malignant disease progression."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "3"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nAdditionally, targeted inhibition of METTL5 during nuclear transfer has been demonstrated to enhance the developmental rate of embryos, suggesting that reversible modulation of rRNA m6A levels can be strategically exploited in regenerative settings."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "4"}]}, {"type": "t", "text": " \n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn summary, while the abstracts provide a comprehensive overview of METTL5’s pivotal roles in regulating m6A modification on 18S rRNA—impacting translation efficiency, stem cell differentiation, oncogenic processes, and embryo development—they do not address the function of LINC02511.\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Valentina V Ignatova, Paul Stolz, Steffen Kaiser, et al. "}, {"type": "b", "children": [{"type": "t", "text": "The rRNA m"}, {"type": "a", "children": [{"type": "t", "text": "sup"}], "href": "sup"}, {"type": "t", "text": "6"}, {"type": "a", "children": [{"type": "t", "text": "/sup"}], "href": "/sup"}, {"type": "t", "text": "A methyltransferase METTL5 is involved in pluripotency and developmental programs."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Genes Dev (2020)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1101/gad.333369.119"}], "href": "https://doi.org/10.1101/gad.333369.119"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "32217665"}], "href": "https://pubmed.ncbi.nlm.nih.gov/32217665"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Ming Xing, Qi Liu, Cong Mao, et al. "}, {"type": "b", "children": [{"type": "t", "text": "The 18S rRNA m"}, {"type": "a", "children": [{"type": "t", "text": "sup"}], "href": "sup"}, {"type": "t", "text": "6"}, {"type": "a", "children": [{"type": "t", "text": "/sup"}], "href": "/sup"}, {"type": "t", "text": " A methyltransferase METTL5 promotes mouse embryonic stem cell differentiation."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "EMBO Rep (2020)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.15252/embr.201949863"}], "href": "https://doi.org/10.15252/embr.201949863"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "32783360"}], "href": "https://pubmed.ncbi.nlm.nih.gov/32783360"}]}, {"type": "r", "ref": 3, "children": [{"type": "t", "text": "Zihao Dai, Wanjie Zhu, Yingdong Hou, et al. "}, {"type": "b", "children": [{"type": "t", "text": "METTL5-mediated 18S rRNA m"}, {"type": "a", "children": [{"type": "t", "text": "sup"}], "href": "sup"}, {"type": "t", "text": "6"}, {"type": "a", "children": [{"type": "t", "text": "/sup"}], "href": "/sup"}, {"type": "t", "text": "A modification promotes oncogenic mRNA translation and intrahepatic cholangiocarcinoma progression."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Mol Ther (2023)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.ymthe.2023.09.014"}], "href": "https://doi.org/10.1016/j.ymthe.2023.09.014"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "37735874"}], "href": "https://pubmed.ncbi.nlm.nih.gov/37735874"}]}, {"type": "r", "ref": 4, "children": [{"type": "t", "text": "Luchun Zhang, Meng Yuan, Xingwei Huang, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Inhibition of METTL5 improves preimplantation development of mouse somatic cell nuclear transfer embryos."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Reproduction (2022)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1530/REP-22-0169"}], "href": "https://doi.org/10.1530/REP-22-0169"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "36111643"}], "href": "https://pubmed.ncbi.nlm.nih.gov/36111643"}]}]}]}