Title : Retinoic acid and TGF-β signalling cooperate to overcome MYCN-induced retinoid resistance.

Pub. Date : 2017 Feb 10

PMID : 28187790






7 Functional Relationships(s)
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1 Retinoic acid and TGF-beta signalling cooperate to overcome MYCN-induced retinoid resistance. Retinoids MYCN proto-oncogene, bHLH transcription factor Homo sapiens
2 However, certain high-risk cohorts, such as patients with MYCN-amplified neuroblastoma, are innately resistant to retinoid therapy. Retinoids MYCN proto-oncogene, bHLH transcription factor Homo sapiens
3 METHODS: We applied RNA sequencing (RNA-seq) and interaction proteomics coupled with network-based systems level analysis to identify targetable vulnerabilities of MYCN-mediated retinoid resistance. Retinoids MYCN proto-oncogene, bHLH transcription factor Homo sapiens
4 Co-targeting of the retinoic acid and TGF-beta pathways, through RA and kartogenin (KGN; a TGF-beta signalling activating small molecule) combination treatment, induced the loss of viability of MYCN-amplified retinoid-resistant neuroblastoma cells. Retinoids MYCN proto-oncogene, bHLH transcription factor Homo sapiens
5 By applying global omics approaches to the signalling networks regulating neuroblastoma differentiation and stemness, we have determined the pathways involved in the MYCN-mediated retinoid resistance, with TGF-beta signalling being a key regulator. Retinoids MYCN proto-oncogene, bHLH transcription factor Homo sapiens
6 These findings revealed a number of combination treatments likely to improve clinical response to retinoid therapy, including co-treatment with retinoids and KGN, which may prove valuable in the treatment of high-risk MYCN-amplified neuroblastoma. Retinoids MYCN proto-oncogene, bHLH transcription factor Homo sapiens
7 These findings revealed a number of combination treatments likely to improve clinical response to retinoid therapy, including co-treatment with retinoids and KGN, which may prove valuable in the treatment of high-risk MYCN-amplified neuroblastoma. Retinoids MYCN proto-oncogene, bHLH transcription factor Homo sapiens