Title : HMGB1 represses the anti-cancer activity of sunitinib by governing TP53 autophagic degradation via its nucleus-to-cytoplasm transport.

Pub. Date : 2018

PMID : 30205729






9 Functional Relationships(s)
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Protein Name
Organism
1 HMGB1 represses the anti-cancer activity of sunitinib by governing TP53 autophagic degradation via its nucleus-to-cytoplasm transport. Sunitinib tumor protein p53 Homo sapiens
2 Here we report that resistance to sunitinib therapy was driven by autophagic degradation of TP53/p53. Sunitinib tumor protein p53 Homo sapiens
3 Here we report that resistance to sunitinib therapy was driven by autophagic degradation of TP53/p53. Sunitinib tumor protein p53 Homo sapiens
4 Mechanistically, the transport of TP53 from the nucleus to the cytoplasm was essential for the sunitinib-induced autophagic degradation of TP53 and did not require TP53 nuclear export signals (NESs). Sunitinib tumor protein p53 Homo sapiens
5 Mechanistically, the transport of TP53 from the nucleus to the cytoplasm was essential for the sunitinib-induced autophagic degradation of TP53 and did not require TP53 nuclear export signals (NESs). Sunitinib tumor protein p53 Homo sapiens
6 Mechanistically, the transport of TP53 from the nucleus to the cytoplasm was essential for the sunitinib-induced autophagic degradation of TP53 and did not require TP53 nuclear export signals (NESs). Sunitinib tumor protein p53 Homo sapiens
7 Importantly, sunitinib induced the degradation of all TP53 proteins, except for TP53 proteins with mutations in the interaction domain of TP53 with HMGB1 (amino acids 313 to 352). Sunitinib tumor protein p53 Homo sapiens
8 In conclusion, our data identify an alternative HMGB1-mediated TP53 protein turnover mechanism that participates in the resistance of sunitinib and suggest HMGB1 as a potential therapeutic target for improving clinical outcomes of sunitinib. Sunitinib tumor protein p53 Homo sapiens
9 In conclusion, our data identify an alternative HMGB1-mediated TP53 protein turnover mechanism that participates in the resistance of sunitinib and suggest HMGB1 as a potential therapeutic target for improving clinical outcomes of sunitinib. Sunitinib tumor protein p53 Homo sapiens