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Article Abstract
The small nucleolar RNA (snoRNA) is a type of small non-coding RNA widely distributed in the nucleoli of eukaryotic cells, promoting cancer development. The aim of this study was to assess box C/D snoRNA 89 (SNORD89) dysregulations in endometrial cancer. According to the TCGA database as well as the International Federation of Gynecology and Obstetrics (FIGO), higher SNORD89 expression is found in endometrial cancer tissues. In addition, the SNORD89 expression level was higher in endometrial carcinoma with lymph node metastasis than in endometrial carcinoma without lymph node metastasis. By interacting with the conservative chaperone protein methylase fibrillarin (Fbl), SNORD89 inhibits the translation process of the Bim gene, leading to a decrease in Bim protein. Cancer-promoting effect of SNORD89 can be reversed by Fbl knockdown or Bim overexpressing. What's more, ASO-mediated silencing of SNORD89 could inhibit endometrial cancer cell proliferation and migration ability. Taken together, SNORD89 can modify Bim through 2'-O-methylation and affect downstream signaling pathways to promote endometrial cancer occurrence and development. The role of methylation modification in the prevention and treatment of endometrial cancer provides a new understanding and SNORD89 may be a new diagnostic and therapeutic target for endometrial cancer.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9256700 | PMC |
| http://dx.doi.org/10.1038/s41420-022-01102-5 | DOI Listing |
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