Title : S6K1 is involved in polyploidization through its phosphorylation at Thr421/Ser424.

Pub. Date : 2009 Apr

PMID : 19065636






3 Functional Relationships(s)
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1 By using the nocodazole-induced Dami cell model, we found that 4E-BP1 and Thr421/Ser424 of ribosomal S6 kinase 1(S6K1) were phosphorylated mostly at M-phase in cytoplasm and oscillated in nocodazole-induced polyploid Dami cells, concomitant with increased expression of p27 and cyclin D3. Nocodazole ribosomal protein S6 kinase B1 Homo sapiens
2 By using the nocodazole-induced Dami cell model, we found that 4E-BP1 and Thr421/Ser424 of ribosomal S6 kinase 1(S6K1) were phosphorylated mostly at M-phase in cytoplasm and oscillated in nocodazole-induced polyploid Dami cells, concomitant with increased expression of p27 and cyclin D3. Nocodazole ribosomal protein S6 kinase B1 Homo sapiens
3 Moreover, overexpression of rapamycin-resistant form of S6K1 significantly reversed polyploidization of nocodazole-induced Dami cells. Nocodazole ribosomal protein S6 kinase B1 Homo sapiens