Please use this identifier to cite or link to this item:
http://dx.doi.org/10.25673/116105
Title: | Myeloid leukemia vulnerabilities embedded in long noncoding RNA locus MYNRL15 |
Author(s): | Ng, Michelle![]() Alejo, Oriol Regenyi, Eniko [und viele weitere] |
Issue Date: | 2023 |
Type: | Article |
Language: | English |
Abstract: | The noncoding genome presents a largely untapped source of new biological insights, including thousands of long noncoding RNA (lncRNA) loci. While lncRNA dysregulation has been reported in myeloid malignancies, their functional relevance remains to be systematically interrogated. We performed CRISPRi screens of lncRNA signatures from normal and malignant hematopoietic cells and identified MYNRL15 as a myeloid leukemia dependency. Functional dissection suggests an RNA-independent mechanism mediated by two regulatory elements embedded in the locus. Genetic perturbation of these elements triggered a long-range chromatin interaction and downregulation of leukemia dependency genes near the gained interaction sites, as well as overall suppression of cancer dependency pathways. Thus, this study describes a new noncoding myeloid leukemia vulnerability and mechanistic concept for myeloid leukemia. Importantly, MYNRL15 perturbation caused strong and selective impairment of leukemia cells of various genetic backgrounds over normal hematopoietic stem and progenitor cells in vitro, and depletion of patient-derived xenografts in vivo. |
URI: | https://opendata.uni-halle.de//handle/1981185920/118061 http://dx.doi.org/10.25673/116105 |
Open Access: | ![]() |
License: | ![]() |
Journal Title: | iScience |
Publisher: | Elsevier |
Publisher Place: | Amsterdam |
Volume: | 26 |
Issue: | 10 |
Original Publication: | 10.1016/j.isci.2023.107844 |
Page Start: | 1 |
Page End: | 20 |
Appears in Collections: | Open Access Publikationen der MLU |
Files in This Item:
File | Description | Size | Format | |
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1-s2.0-S2589004223019211-main.pdf | 4.63 MB | Adobe PDF | ![]() View/Open |