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In addition to urgently needing better treatment approaches, new diagnostic and prognostic biomarkers are required to improve the therapy outcomes of MB patients. The RNA\u2010binding proteins, LIN28A and LIN28B, are known to regulate invasive phenotypes in many different cancer types. However, the expression and function of these proteins in MB had not been studied to date. This study identified the expression of LIN28A and LIN28B in MB patient samples and cell lines and assessed the effect of LIN28 inhibition on MB cell growth, metabolism and stemness. <jats:italic>LIN28B<\/jats:italic> expression was significantly upregulated in MB tissues compared to normal brain tissues. This upregulation, which was not observed in other brain tumors, was specific for the aggressive MB subgroups and correlated with patient survival and metastasis rates. Functionally, pharmacological inhibition of LIN28 activity concentration\u2010dependently reduced LIN28B expression, as well as the growth of D283 MB cells. While\u00a0LIN28 inhibition did not affect the levels of intracellular ATP, it reduced the expression of the stemness marker CD133 in D283 cells\u00a0and the sphere formation of CHLA\u201001R cells. <jats:italic>LIN28B<\/jats:italic>, which is highly expressed in the human cerebellum during the first few months after birth, subsequently decreased with age. The results of this study highlight the potential of LIN28B as a diagnostic and prognostic marker for MB and open\u00a0the possibility to utilize LIN28 as a pharmacological target to suppress MB cell growth and stemness.<\/jats:p>","DOI":"10.1002\/jcp.30946","type":"journal-article","created":{"date-parts":[[2023,1,17]],"date-time":"2023-01-17T18:41:47Z","timestamp":1673980907000},"page":"533-548","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["LIN28 expression and function in medulloblastoma"],"prefix":"10.1002","volume":"238","author":[{"given":"Ahmed","family":"Maklad","sequence":"first","affiliation":[{"name":"School of Pharmacy and Pharmacology, College of Health and Medicine University of Tasmania  Hobart Tasmania Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohammed","family":"Sedeeq","sequence":"additional","affiliation":[{"name":"School of Pharmacy and Pharmacology, College of Health and Medicine University of Tasmania  Hobart Tasmania Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Richard","family":"Wilson","sequence":"additional","affiliation":[{"name":"Central Science Laboratory, College of Science and Engineering University of Tasmania  Hobart Tasmania Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John A.","family":"Heath","sequence":"additional","affiliation":[{"name":"School of Medicine University of Tasmania  Hobart Tasmania Australia"},{"name":"Department of Paediatrics Royal Hobart Hospital  Hobart Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nuri","family":"Gueven","sequence":"additional","affiliation":[{"name":"School of Pharmacy and Pharmacology, College of Health and Medicine University of Tasmania  Hobart Tasmania Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9477-9999","authenticated-orcid":false,"given":"Iman","family":"Azimi","sequence":"additional","affiliation":[{"name":"School of Pharmacy and Pharmacology, College of Health and Medicine University of Tasmania  Hobart Tasmania Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,1,17]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.5493\/wjem.v7.i1.1"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.6494891"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.3389\/fgene.2017.00031"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1242\/dev.042895"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1215\/15228517-2008-032"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.biocel.2015.10.009"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1093\/neuonc\/now247"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/embj.201387363"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.humpath.2010.09.007"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1038\/modpathol.2010.195"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1186\/1471-230X-11-71"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccell.2017.05.005"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41388-019-0735-4"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12935-016-0307-4"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.3389\/fncir.2020.611841"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41418-019-0425-3"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1474-4422(07)70289-2"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1038\/ng.2387"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1186\/s13287-016-0323-2"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00401-010-0726-6"},{"key":"e_1_2_8_22_1","doi-asserted-by":"publisher","DOI":"10.4161\/cc.20893"},{"key":"e_1_2_8_23_1","doi-asserted-by":"publisher","DOI":"10.4049\/jimmunol.1301966"},{"key":"e_1_2_8_24_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.gene.2006.07.011"},{"key":"e_1_2_8_25_1","doi-asserted-by":"publisher","DOI":"10.1038\/bjc.2012.90"},{"key":"e_1_2_8_26_1","doi-asserted-by":"publisher","DOI":"10.1186\/1755-8794-2-28"},{"key":"e_1_2_8_27_1","first-page":"265","volume-title":"Part IV sporadic diseases; 17 cerebellar disorders in cancer. 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