Title : Retinoid X receptor alpha is highly phosphorylated in retinoic acid-resistant HL-60R cells and the combination of 9-cis retinoic acid plus MEK inhibitor induces apoptosis in the cells.

Pub. Date : 2008 Jun

PMID : 18082883






9 Functional Relationships(s)
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1 Retinoid X receptor alpha is highly phosphorylated in retinoic acid-resistant HL-60R cells and the combination of 9-cis retinoic acid plus MEK inhibitor induces apoptosis in the cells. Tretinoin retinoid X receptor alpha Homo sapiens
2 We examined the effects of 9-cis retinoic acid (RA) on the expression levels of retinoid X receptor alpha (RXR alpha) and its phosphorylated form (p-RXR alpha) in HL-60 and HL-60R cells. Tretinoin retinoid X receptor alpha Homo sapiens
3 We examined the effects of 9-cis retinoic acid (RA) on the expression levels of retinoid X receptor alpha (RXR alpha) and its phosphorylated form (p-RXR alpha) in HL-60 and HL-60R cells. Tretinoin retinoid X receptor alpha Homo sapiens
4 We examined the effects of 9-cis retinoic acid (RA) on the expression levels of retinoid X receptor alpha (RXR alpha) and its phosphorylated form (p-RXR alpha) in HL-60 and HL-60R cells. Tretinoin retinoid X receptor alpha Homo sapiens
5 9-cis RA reduced both RXR alpha and p-RXR alpha in HL-60 cells, but did neither in HL-60R cells. Tretinoin retinoid X receptor alpha Homo sapiens
6 9-cis RA reduced both RXR alpha and p-RXR alpha in HL-60 cells, but did neither in HL-60R cells. Tretinoin retinoid X receptor alpha Homo sapiens
7 However, when the HL-60R cells were treated with the combination of 9-cis RA plus PD98059, MEK inhibitor, the p-RXR alpha and RXR alpha proteins all markedly decreased. Tretinoin retinoid X receptor alpha Homo sapiens
8 However, when the HL-60R cells were treated with the combination of 9-cis RA plus PD98059, MEK inhibitor, the p-RXR alpha and RXR alpha proteins all markedly decreased. Tretinoin retinoid X receptor alpha Homo sapiens
9 Phosphorylation of RXR alpha might be associated with RA-resistance in HL-60R cells. Tretinoin retinoid X receptor alpha Homo sapiens