Αρχειοθήκη ιστολογίου

Πέμπτη 3 Αυγούστου 2017

EZH2 palmitoylation mediated by ZDHHC5 in p53 mutant glioma drives malignant development and progression

Gilomas with mutant p53 occurring in 30% of giloma patients exhibit therapeutic resistance and poor outcomes. In this study, we identify a novel mechanism through which mutant p53 drives cancer cell survival and malignant growth. We documented overexpression of the zinc finger protein ZDHHC5 in glioma compared to normal brain tissue and that this event to be tightly correlated with p53 mutations. Mechanistic investigations revealed that mutant p53 transcriptionally upregulated ZDHHC5 along with the nuclear transcription factor NF-Y. These events contributed to the development of glioma by promoting the self-renewal capacity and tumorigenicity of glioma stem-like cells, by altering the palmitoylation and phosphorylation status of the tumor suppressor EZH2. Taken together, our work highlighted ZDHHC5 as a candidate therapeutic target for management of p53-mutated gliomas.

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Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,

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