Title : ADRB2 signaling promotes HCC progression and sorafenib resistance by inhibiting autophagic degradation of HIF1α.

Pub. Date : 2016 Aug

PMID : 27154061






6 Functional Relationships(s)
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1 ADRB2 signaling promotes HCC progression and sorafenib resistance by inhibiting autophagic degradation of HIF1alpha. Sorafenib adrenergic receptor, beta 2 Mus musculus
2 Notably, ADRB2 signaling negatively regulated autophagy by disrupting Beclin1/VPS34/Atg14 complex in an Akt-dependent manner, leading to HIF1alpha stabilization, reprogramming of HCC cells glucose metabolism, and the acquisition of resistance to sorafenib. Sorafenib adrenergic receptor, beta 2 Mus musculus
3 Conversely, inhibition of ADRB2 signaling by ICI118,551, or knockdown ADRB2 expression, led to enhanced autophagy, HIF1alpha destabilization, tumor growth suppression, and improved anti-tumor activity of sorafenib. Sorafenib adrenergic receptor, beta 2 Mus musculus
4 Conversely, inhibition of ADRB2 signaling by ICI118,551, or knockdown ADRB2 expression, led to enhanced autophagy, HIF1alpha destabilization, tumor growth suppression, and improved anti-tumor activity of sorafenib. Sorafenib adrenergic receptor, beta 2 Mus musculus
5 Given the efficacy of ADRB2 modulation on HCC inhibition and sorafenib resistance, adrenoceptor antagonist appears to be a putative novel treatment for HCC and chemoresistance. Sorafenib adrenergic receptor, beta 2 Mus musculus
6 ADRB2 signaling negatively regulated autophagy, leading to hypoxia-inducible factor-1alpha stabilization, reprogramming of hepatocellular carcinoma cells glucose metabolism, and the acquisition of resistance to sorafenib. Sorafenib adrenergic receptor, beta 2 Mus musculus