Domain-specific phosphomimetic mutation allows dissection of different protein kinase C (PKC) isotype-triggered activities of the RNA binding protein HuR

S Schulz, A Doller, NR Pendini, JA Wilce, J Pfeilschifter… - Cellular signalling, 2013 - Elsevier
… mode in controlling HuR binding to target mRNA, we aimed to directly compare the in vitro
RNA binding affinity of wild-type HuR and different single-site phosphomimetic HuR proteins

Protein kinase Cα-dependent phosphorylation of the mRNA-stabilizing factor HuR: implications for posttranscriptional regulation of cyclooxygenase-2

A Doller, A Huwiler, R Müller, HH Radeke… - Molecular biology of …, 2007 - Am Soc Cell Biol
protein kinase C (PKC) inhibitors and small interfering RNA … an overexpression and subsequent
RNA binding of HuR have been … This provides evidence that PKCα among the four PKC

Regulation of ELAV/Hu RNA-binding proteins by phosphorylation

U Bräuer, E Zaharieva, M Soller - Biochemical Society …, 2014 - portlandpress.com
… by different signalling pathways provides routes to functional … after activation of PKC (protein
kinase C) with bryostatin and … 221 is mutated to a phosphomimetic aspartate residue, HuR

[HTML][HTML] Substrate affinity differentially influences protein kinase C regulation and inhibitor potency

RF Sommese, S Sivaramakrishnan - Journal of Biological Chemistry, 2016 - ASBMB
… efforts to dissect the different states of the kinase-substrate … catalytic states of the PKC-substrate
interaction. Specifically, … Hence, a phosphomimetic version of peptide number 14 was …

[HTML][HTML] Inhibition of caspase-2 translation by the mRNA binding protein HuR: a novel path of therapy resistance in colon carcinoma cells?

W Eberhardt, U Nasrullah, K Haeussler - Cells, 2019 - mdpi.com
… Moreover, caspase-2 is a target of alternative splicing which gives rise to two proteins with …
activity. Our previous finding that protein kinase C (PKC) triggered phosphorylation of different

Loss of protein kinase Cδ/HuR interaction is necessary to doxorubicin resistance in breast cancer cell lines

E Latorre, I Castiglioni, P Gatto, S Carelli… - … of Pharmacology and …, 2014 - ASPET
… In this work, we identified PKCδ as a key player in HuR … ), and anti-PKCδ immunoprecipitate
(PKC) were analyzed by … affects HuR mRNA binding, allowing the association of HuR

The C-terminal RNA binding motif of HuR is a multi-functional domain leading to HuR oligomerization and binding to U-rich RNA targets

RM Scheiba, AI de Opakua, A Díaz-Quintana… - RNA biology, 2014 - Taylor & Francis
… this work are from W244 to K326 in reference to the HuR FL … to Protein Kinase C δ (PKCδ)
to become phosphorylated. … The assignment of the NMR spectrum of S318D allowed us to …

HuR biological function involves RRM3-mediated dimerization and RNA binding by all three RRMs

M Pabis, GM Popowicz, R Stehle… - Nucleic acids …, 2019 - academic.oup.com
… Full-length HuR with mutations that affect RRM3 RNA binding … role of RRM3 in RNA binding
and functional activity of HuR. … ), we propose that dimerization enables recognition of tandem …

[HTML][HTML] Regulation of AU-rich element RNA binding proteins by phosphorylation and the prolyl isomerase Pin1

ZJ Shen, JS Malter - Biomolecules, 2015 - mdpi.com
… As PKC-δ and IKKβ-induced phosphorylation of TTP can … by protein kinase A (PKA) and
glycogen synthase kinase 3 … alterations in HuR translocation and ARE mRNA binding affinity are …

[HTML][HTML] Essential roles of RNA-binding protein HuR in activation of hepatic stellate cells induced by transforming growth factor-β1

J Ge, N Chang, Z Zhao, L Tian, X Duan, L Yang, L Li - Scientific reports, 2016 - nature.com
… metalloproteinase-9 mRNA expression and activity in NIH3T3 cells … HuR localization 25 .
Besides, researchers have proved that AMP-activated kinase, JNK, ERK, protein kinase C (PKC