2019
DOI: 10.1038/s41419-019-1614-1
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miR-23b-3p suppressing PGC1α promotes proliferation through reprogramming metabolism in osteosarcoma

Abstract: Metabolic shift from oxidative phosphorylation (OXPHOS) to glycolysis is a hallmark of osteosarcoma (OS). However, the mechanisms of the metabolic switch have not been completely elucidated. Here we reported that the miR-23b-3p was significantly upregulated in OS cells. Functional studies suggested that knockdown of miR-23b-3p could inhibit OS cell proliferation in vitro or in vivo. In addition, suppression of miR-23b-3p could lead to upregulation of OXPHOS and suppression of glycolysis. Mechanistically, miR-2… Show more

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Cited by 41 publications
(31 citation statements)
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“…Moreover, MSCs/CAFs regulate tumor growth and metastasis through PDGFRα/β and MIF‐CXCR4/7 signaling, enhancing sarcoma aggressiveness via the secretion of inflammatory cytokines, exosomes (Miller et al , 2013; Cortini et al , 2016; Avnet et al , 2017; Baglio et al , 2017; preprint: Evdokimova et al , 2019), or metabolites that can fuel the oxidative metabolism of tumor cells (Bonuccelli et al , 2014). Metabolic fueling of sarcoma cells by stromal cells may be particularly relevant to sustain the energy demand of uncontrolled tumor growth and progression (Zhang et al , 2010; Ren et al , 2017; Gaude et al , 2018; Zhu et al , 2019). Consequently, the composition of the local TME has direct influence on the histological response to chemotherapy (Crenn et al , 2017).…”
Section: Epidemiology Of Sarcomamentioning
confidence: 99%
“…Moreover, MSCs/CAFs regulate tumor growth and metastasis through PDGFRα/β and MIF‐CXCR4/7 signaling, enhancing sarcoma aggressiveness via the secretion of inflammatory cytokines, exosomes (Miller et al , 2013; Cortini et al , 2016; Avnet et al , 2017; Baglio et al , 2017; preprint: Evdokimova et al , 2019), or metabolites that can fuel the oxidative metabolism of tumor cells (Bonuccelli et al , 2014). Metabolic fueling of sarcoma cells by stromal cells may be particularly relevant to sustain the energy demand of uncontrolled tumor growth and progression (Zhang et al , 2010; Ren et al , 2017; Gaude et al , 2018; Zhu et al , 2019). Consequently, the composition of the local TME has direct influence on the histological response to chemotherapy (Crenn et al , 2017).…”
Section: Epidemiology Of Sarcomamentioning
confidence: 99%
“…The results of GSEA with c2.cp.kegg.v7.0.symbols.gmt as the reference gene set showed that the enrichment pathways were mainly involved in the circadian rhythm, oxidative phosphorylation, DNA replication and ECM-receptor interaction pathway. Previous reports have shown that oxidative phosphorylation [39,40], circadian rhythm [41], and DNA replication [42] were closely related to the occurrence and progress of OS. Another study has reported that ECM-receptor interaction pathway plays an important role in the occurrence, development, invasion and metastasis of malignant tumors [43].…”
Section: Discussionmentioning
confidence: 95%
“…Compared to the control group, myogenesis, adipogenesis, oxidative phosphorylation, PI3K-AKT-mTOR signaling, p53 pathway was signi cantly activated in OS samples, while E2F targets, WNT beta-catenin signaling, TGF beta signaling and glycolysis signal pathways were signi cantly inhibited. Previous studies have shown that PI3K-AKT-mTOR signaling [44,45], adipogenesis [46], WNT beta-catenin signaling [47,48], TGF beta signaling [49], glycolysis [40], and p53 pathway [50] play an important role in the development and occurrence of OS. Therefore, our analysis results are consistent with previous ndings and have high credibility, indicating that these DEGs and signaling pathways may be involved in the occurrence and progression of OS.…”
Section: Discussionmentioning
confidence: 99%
“…It has been reported that, on the one hand, the tissue levels of miR-23b-3p are decreased and act as a predictor in hepatocellular carcinoma 23 and GC and miR-23b-3p reverses chemotherapy resistance in GC by targeting ATG12 and HMGB2 24 . On the other hand, the serum or tissue levels of miR-23b-3p are increased in non-small cell lung cancer 25 , osteosarcoma 26 , and esophageal squamous cell carcinomas 27 , and miR-23b-3p promotes tumor proliferation and metastasis by targeting PGC1a or EBF3 26,27 . In the present study, low expression of miR-23b-3p indicated a poor survival in GC and ectopic miR-23b-3p repressed GC cell growth and invasion by targeting RAI14.…”
Section: Discussionmentioning
confidence: 99%