LncRNA Snhg6 regulates the differentiation of MDSCs by regulating the ubiquitination of EZH2

Abstract Myeloid-derived suppressor cells (MDSCs) are derived from bone marrow progenitor cells commonly, which is a heterogeneous cell group composed of immature granulocytes, dendritic cells, macrophages and early undifferentiated bone marrow precursor cells. Its differentiation and immunosuppress...

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Autores principales: Wei Lu, Fenghua Cao, Lili Feng, Ge Song, Yi Chang, Ying Chu, Zhihong Chen, Bo Shen, Huaxi Xu, Shengjun Wang, Jie Ma
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Publicado: BMC 2021
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spelling oai:doaj.org-article:ce6556fd10be46aeb25efea06cc32f652021-11-21T12:02:29ZLncRNA Snhg6 regulates the differentiation of MDSCs by regulating the ubiquitination of EZH210.1186/s13045-021-01212-01756-8722https://doaj.org/article/ce6556fd10be46aeb25efea06cc32f652021-11-01T00:00:00Zhttps://doi.org/10.1186/s13045-021-01212-0https://doaj.org/toc/1756-8722Abstract Myeloid-derived suppressor cells (MDSCs) are derived from bone marrow progenitor cells commonly, which is a heterogeneous cell group composed of immature granulocytes, dendritic cells, macrophages and early undifferentiated bone marrow precursor cells. Its differentiation and immunosuppressive function are regulated by complex network signals, but the specific regulation mechanisms are not yet fully understood. In this study, we found that in mouse of Lewis lung cancer xenograft, long non-coding RNA Snhg6 (lncRNA Snhg6) was highly expressed in tumor-derived MDSCs compared with spleen-derived MDSCs. LncRNA Snhg6 facilitated the differentiation of CD11b+ Ly6G− Ly6Chigh monocytic MDSCs (Mo-MDSCs) rather than CD11b+ Ly6G+ Ly6Clow polymorphonuclear MDSCs (PMN-MDSCs), but did not affect the immunosuppressive function of MDSCs. Notably, lncRNA Snhg6 could inhibit the expression of EZH2 by ubiquitination pathway at protein level rather than mRNA level during the differentiation of mouse bone marrow cells into MDSCs in vitro. EZH2 may be an important factor in the regulation of lncRNA Snhg6 to promote the differentiation of Mo-MDSCs. So what we found may provide new ideas and targets for anti-tumor immunotherapy targeting MDSCs.Wei LuFenghua CaoLili FengGe SongYi ChangYing ChuZhihong ChenBo ShenHuaxi XuShengjun WangJie MaBMCarticleMDSCslncRNA Snhg6EZH2ubiquitinationDifferentiationDiseases of the blood and blood-forming organsRC633-647.5Neoplasms. Tumors. Oncology. Including cancer and carcinogensRC254-282ENJournal of Hematology & Oncology, Vol 14, Iss 1, Pp 1-4 (2021)
institution DOAJ
collection DOAJ
language EN
topic MDSCs
lncRNA Snhg6
EZH2
ubiquitination
Differentiation
Diseases of the blood and blood-forming organs
RC633-647.5
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
RC254-282
spellingShingle MDSCs
lncRNA Snhg6
EZH2
ubiquitination
Differentiation
Diseases of the blood and blood-forming organs
RC633-647.5
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
RC254-282
Wei Lu
Fenghua Cao
Lili Feng
Ge Song
Yi Chang
Ying Chu
Zhihong Chen
Bo Shen
Huaxi Xu
Shengjun Wang
Jie Ma
LncRNA Snhg6 regulates the differentiation of MDSCs by regulating the ubiquitination of EZH2
description Abstract Myeloid-derived suppressor cells (MDSCs) are derived from bone marrow progenitor cells commonly, which is a heterogeneous cell group composed of immature granulocytes, dendritic cells, macrophages and early undifferentiated bone marrow precursor cells. Its differentiation and immunosuppressive function are regulated by complex network signals, but the specific regulation mechanisms are not yet fully understood. In this study, we found that in mouse of Lewis lung cancer xenograft, long non-coding RNA Snhg6 (lncRNA Snhg6) was highly expressed in tumor-derived MDSCs compared with spleen-derived MDSCs. LncRNA Snhg6 facilitated the differentiation of CD11b+ Ly6G− Ly6Chigh monocytic MDSCs (Mo-MDSCs) rather than CD11b+ Ly6G+ Ly6Clow polymorphonuclear MDSCs (PMN-MDSCs), but did not affect the immunosuppressive function of MDSCs. Notably, lncRNA Snhg6 could inhibit the expression of EZH2 by ubiquitination pathway at protein level rather than mRNA level during the differentiation of mouse bone marrow cells into MDSCs in vitro. EZH2 may be an important factor in the regulation of lncRNA Snhg6 to promote the differentiation of Mo-MDSCs. So what we found may provide new ideas and targets for anti-tumor immunotherapy targeting MDSCs.
format article
author Wei Lu
Fenghua Cao
Lili Feng
Ge Song
Yi Chang
Ying Chu
Zhihong Chen
Bo Shen
Huaxi Xu
Shengjun Wang
Jie Ma
author_facet Wei Lu
Fenghua Cao
Lili Feng
Ge Song
Yi Chang
Ying Chu
Zhihong Chen
Bo Shen
Huaxi Xu
Shengjun Wang
Jie Ma
author_sort Wei Lu
title LncRNA Snhg6 regulates the differentiation of MDSCs by regulating the ubiquitination of EZH2
title_short LncRNA Snhg6 regulates the differentiation of MDSCs by regulating the ubiquitination of EZH2
title_full LncRNA Snhg6 regulates the differentiation of MDSCs by regulating the ubiquitination of EZH2
title_fullStr LncRNA Snhg6 regulates the differentiation of MDSCs by regulating the ubiquitination of EZH2
title_full_unstemmed LncRNA Snhg6 regulates the differentiation of MDSCs by regulating the ubiquitination of EZH2
title_sort lncrna snhg6 regulates the differentiation of mdscs by regulating the ubiquitination of ezh2
publisher BMC
publishDate 2021
url https://doaj.org/article/ce6556fd10be46aeb25efea06cc32f65
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