Title : Acid ceramidase promotes nuclear export of PTEN through sphingosine 1-phosphate mediated Akt signaling.

Pub. Date : 2013

PMID : 24098536






5 Functional Relationships(s)
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1 Acid ceramidase promotes nuclear export of PTEN through sphingosine 1-phosphate mediated Akt signaling. sphingosine 1-phosphate phosphatase and tensin homolog Homo sapiens
2 We found that acid ceramidase promotes a reduction in nuclear PTEN that is dependent upon sphingosine 1-phosphate-mediated activation of Akt. sphingosine 1-phosphate phosphatase and tensin homolog Homo sapiens
3 We were further able to show that sphingosine 1-phosphate promotes formation of a complex between Crm1 and PTEN, and that leptomycin B prevents acid ceramidase and sphingosine 1-phosphate mediated loss of nuclear PTEN, suggesting an active exportin-mediated event. sphingosine 1-phosphate phosphatase and tensin homolog Homo sapiens
4 We were further able to show that sphingosine 1-phosphate promotes formation of a complex between Crm1 and PTEN, and that leptomycin B prevents acid ceramidase and sphingosine 1-phosphate mediated loss of nuclear PTEN, suggesting an active exportin-mediated event. sphingosine 1-phosphate phosphatase and tensin homolog Homo sapiens
5 These findings suggest that acid ceramidase, through sphingosine 1-phosphate, promotes nuclear export of PTEN as a means of promoting tumor formation, cell proliferation, and resistance to therapy. sphingosine 1-phosphate phosphatase and tensin homolog Homo sapiens