Title : HIPK2-T566 autophosphorylation diversely contributes to UV- and doxorubicin-induced HIPK2 activation.

Pub. Date : 2017 Mar 7

PMID : 28060750






5 Functional Relationships(s)
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1 HIPK2-T566 autophosphorylation diversely contributes to UV- and doxorubicin-induced HIPK2 activation. Doxorubicin homeodomain interacting protein kinase 2 Homo sapiens
2 HIPK2-T566 autophosphorylation diversely contributes to UV- and doxorubicin-induced HIPK2 activation. Doxorubicin homeodomain interacting protein kinase 2 Homo sapiens
3 Next, we assessed cell response following UV-irradiation or treatment with doxorubicin, two well-known HIPK2 activators, by evaluating cell number and viability, p53-Ser46 phosphorylation, p21 induction, and caspase cleavage. Doxorubicin homeodomain interacting protein kinase 2 Homo sapiens
4 Interestingly, cells expressing HIPK2-T566P mutant did not respond to UV-irradiation, while behaved similarly to wt HIPK2 upon doxorubicin-treatment. Doxorubicin homeodomain interacting protein kinase 2 Homo sapiens
5 Evaluation of HIPK2-T566 phosphorylation status by a T566-phospho-specific antibody showed constitutive phosphorylation in unstressed cells, which was maintained after doxorubicin-treatment but inhibited by UV-irradiation. Doxorubicin homeodomain interacting protein kinase 2 Homo sapiens