Research Papers:

Sumoylation of Vimentin354 Is Associated with PIAS3 Inhibition of Glioma Cell Migration

Liming Wang, Jian Zhang, Sipra Banerjee, Laura Barnes, Venkateswara Sajja, Yiding Liu, Baochuan Guo, Yuping Du, Mukesh K. Agarwal, David N. Wald, Qin Wang and Jinbo Yang _

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Oncotarget. 2010; 1:620-627. https://doi.org/10.18632/oncotarget.196

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Received: September 30, 2010, Accepted: November 10, 2010, Published: November 11, 2010

The invasive phenotype of glioblastoma multiforme (GBM) is a hallmark of malignant process, yet the molecular mechanisms that dictate this locally invasive behavior remain poorly understood. Over-expression of PIAS3 effectively changes cell shape and inhibits GBM cell migration. We focused on the molecular target(s) of PIAS3 stimulated sumoylation, which play an important role in the inhibition of GBM cell motility. Here we report, through the immunoprecipitation with SUMO1 antibody, followed by proteomic analysis, the identification of vimentin (vimentin354), a nuclear component in GBM cells, as the main target of sumoylation promoted by PIAS3.


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PII: 196