| 2013 |
LKB1 activates NUAK1, and the LKB1-NUAK1 kinase pathway regulates cortical axon branching by promoting mitochondria immobilization at nascent presynaptic sites; conditional deletion or knockdown of either kinase drastically reduced axon branching in vivo, while overexpression increased it. |
Conditional knockout, in vivo knockdown/overexpression, live imaging of mitochondrial transport, genetic epistasis with Syntaphilin |
Cell |
High |
23791179
|
| 2024 |
NUAK1 deficiency impairs mitochondrial metabolism and axonal ATP concentration; upregulation of mitochondrial function rescues axonal branching in NUAK1-null neurons. NUAK1 regulates axon branching through the mitochondria-targeted microprotein BRAWNIN, exerting a dual function by controlling both mitochondrial distribution and metabolic activity. |
In vitro and in vivo neuronal cultures with NUAK1 knockout, mitochondrial function assays, ATP measurements, rescue experiments with mitochondrial activators, identification of BRAWNIN as downstream effector |
Nature communications |
High |
38514619
|
| 2016 |
NUAK1 stabilizes tau by direct phosphorylation specifically at Ser356; inhibition of NUAK1 reduces steady-state tau levels and suppresses neurodegeneration in tau-expressing Drosophila, and NUAK1 haploinsufficiency rescues tauopathy phenotypes in mice. |
Parallel cell-based and Drosophila genetic screens, in vitro/in vivo phosphorylation assays, genetic loss-of-function in mouse tauopathy model |
Neuron |
High |
27720485
|
| 2003 |
ARK5 (NUAK1) suppresses cell death by glucose starvation and death receptor stimulation (TRAIL, TNF-α) by inhibiting caspase 8 activation; ARK5 overexpression delayed Bid cleavage, FLIP degradation, and caspase 8 activation. This protective effect was not observed for UV irradiation, camptothecin, or doxorubicin. |
ARK5 overexpression in HepG2 cells, Western blotting for Bid cleavage/FLIP degradation/caspase 8 activation, cell death assays under multiple stimuli |
Oncogene |
Medium |
13679856
|
| 2004 |
ARK5 (NUAK1) phosphorylates and inhibits procaspase-6 at Ser257, preventing its activation and subsequent FLIP degradation, thereby mediating resistance to FasL/Fas-induced cell death in colorectal cancer cells; in vitro kinase assay showed ARK5 phosphorylates wild-type but not caspase-6/S257A mutant. |
ARK5 antisense RNA knockdown, caspase-6 mutagenesis (Ser257Ala), in vitro kinase assay, Western blotting, cell death assays |
Oncogene |
High |
15273717
|
| 2004 |
ARK5 (NUAK1) promotes tumor invasion downstream of Akt signaling; ARK5 expression induces activation of MMP-2, MMP-9, and new expression of MT1-MMP via rapamycin-sensitive signaling, and ARK5-overexpressing tumor cells show invasion and metastasis in nude mice. |
Matrigel invasion assay, MMP activity assays, rapamycin treatment, nude mouse tumor model |
Molecular and cellular biology |
Medium |
15060171
|
| 2009 |
NUAK1 promotes cellular senescence and aneuploidization by phosphorylating LATS1 at Ser464, destabilizing LATS1; ectopic NUAK1 expression triggers premature senescence with gross aneuploidies, while NUAK1 depletion extends replicative lifespan and increases LATS1 levels. |
Loss-of-function screen in diploid fibroblasts, shRNA depletion, ectopic overexpression, Western blotting, LATS1 phosphorylation assay, dominant-negative LATS1 |
The EMBO journal |
Medium |
19927127
|
| 2011 |
NUAK1 directly interacts with and phosphorylates p53 in vitro and in vivo; this requires NUAK1 kinase activity and phosphorylation at Thr211 by LKB1. LKB1/NUAK1 activation leads to G1/S cell cycle arrest by inducing p21/WAF1 expression; NUAK1 binds p53-responsive elements of the p21/WAF1 promoter in the nucleus. |
Co-immunoprecipitation, in vitro kinase assay, ChIP on p21/WAF1 promoter, cell cycle analysis, kinase-dead mutants |
Oncogene |
Medium |
21317932
|
| 2006 |
NDR2 is an upstream kinase of ARK5 (NUAK1) that directly phosphorylates the conserved Thr211 on the active T-loop of ARK5 during IGF-1 signaling, enabling full ARK5 activation; AKT phosphorylates ARK5 at Ser600 in the regulatory domain as a separate activating event. |
In vitro kinase assay with NDR2 and ARK5, phosphorylation site mutagenesis (Thr211), co-immunoprecipitation, IGF-1 stimulation experiments |
The Journal of biological chemistry |
High |
16488889
|
| 2014 |
NUAK1 expression is controlled by CDK-PLK-SCFβTrCP E3 ubiquitin ligase complex: CDK phosphorylates NUAK1 at Ser445, triggering PLK binding, which phosphorylates NUAK1 at Ser476 and Ser480, inducing βTrCP binding, ubiquitylation and degradation. NUAK1 also activates PLK1 via inhibition of the PP1β-MYPT1 phosphatase that dephosphorylates PLK1 Thr210. |
Co-immunoprecipitation, phosphorylation site mutagenesis (Ser445, Ser476, Ser480), ubiquitylation assays, NUAK1 inhibitors (WZ4003, HTH-01-015), cell cycle synchronization, rescue with phospho-mutant NUAK1 |
The Biochemical journal |
High |
24785407
|
| 2005 |
ARK5 (NUAK1) is a transcriptional target of the Large-MAF family (c-MAF, MAFB) via MAF-recognition element (MARE) sequences in its promoter; ARK5 mediates IGF-1-induced cell invasion in multiple myeloma downstream of MAF transcription factors. |
Gene expression profiling, promoter sequence analysis with MARE identification, luciferase reporter with MARE deletion/mutation, chromatin immunoprecipitation (ChIP), ARK5 overexpression in non-expressing cell lines, invasion assays |
Oncogene |
Medium |
16044163
|
| 2018 |
NUAK1 is activated by oxidative stress and facilitates nuclear import of the antioxidant master regulator NRF2: activated NUAK1 inhibits PP1β, which cooperates with AKT activation to suppress GSK3β-dependent phosphorylation that normally prevents NRF2 nuclear import; deletion of NUAK1 suppresses colorectal tumor formation and induces regression of preexisting autochthonous tumors. |
Genetic NUAK1 deletion in autochthonous mouse colorectal cancer model, PP1β inhibition assays, GSK3β phosphorylation analysis, NRF2 nuclear fractionation, pharmacological NUAK1 inhibition |
Cancer discovery |
High |
29500295
|
| 2022 |
NUAK1 is a TGF-β-inducible profibrotic kinase; TGF-β rapidly induces NUAK1 in fibroblasts, which in turn promotes profibrotic YAP and TGF-β/SMAD signaling; activated YAP/TAZ further induces NUAK1 expression, creating a positive feedback loop. Fibroblast-specific NUAK1 loss or pharmacologic NUAK1 inhibition attenuates fibrosis in kidney, lung, and liver mouse models. |
Fibroblast-specific conditional NUAK1 knockout mice, pharmacological NUAK1 inhibition, multiple organ fibrosis mouse models, YAP/SMAD signaling assays |
Science translational medicine |
High |
35320001
|
| 2020 |
NUAK1 is a predominantly nuclear protein that associates with nuclear PP1 interactors including PNUTS (a nuclear regulatory subunit of PP1) and phosphorylates PNUTS; both NUAK1 and PNUTS associate with the splicing machinery. NUAK1 inhibition abolishes chromatin association of PNUTS, reduces spliceosome activity, suppresses nascent RNA synthesis, and in MYC-transformed cells traps non-productive RNAPII at the pause site and first exon-intron boundary. |
Nuclear fractionation, Co-IP/proximity proteomics, in vitro phosphorylation of PNUTS, spliceosome activity assays, nascent RNA synthesis measurement, RNAPII ChIP-seq, NUAK1 inhibitors |
Molecular cell |
High |
32006464
|
| 2017 |
In tumor cells lacking LKB1, NUAK1 activity is maintained by an alternative pathway: calcium-dependent activation of PKCα phosphorylates and activates NUAK1, supporting AMPK-TORC1 metabolic checkpoint engagement and protecting MYC-overexpressing tumor cells from cell death. |
Pharmacological calcium manipulation, PKCα inhibition/knockdown, NUAK1 activity assays, AMPK-TORC1 signaling readouts, MYC-dependent cell viability assays |
Oncogene |
Medium |
29106388
|
| 2012 |
NUAK1-deficient muscle shows decreased phosphorylation of IRS1 at Ser1097, leading to enhanced insulin signaling (increased phosphorylation of IRS1 Tyr608, AKT Thr308, TBC1D4 Thr649), suggesting NUAK1 negatively regulates insulin signaling in oxidative muscle through IRS1 Ser1097 phosphorylation. |
Muscle-specific NUAK1 knockout mice, quantitative phosphoproteome analysis of soleus muscle, insulin signaling assays, glucose tolerance tests |
The Journal of biological chemistry |
High |
22418434
|
| 2012 |
NUAK1 and NUAK2 complementarily function in apical constriction and apico-basal elongation during dorsolateral hinge point formation in cephalic neural plate; NUAK1/NUAK2 double mutants show reduced apical concentration of phosphorylated myosin light chain 2, F-actin, and cortactin, and impaired development of acetylated α-tubulin-positive microtubules. |
NUAK1/NUAK2 double mutant mouse analysis, immunostaining for phospho-MLC2, F-actin, cortactin, acetylated α-tubulin |
Developmental dynamics |
Medium |
22689267
|
| 2019 |
NUAK1 contains a conserved bipartite nuclear localization signal (NLS) at its N-terminal domain and is actively imported into the nucleus by importin-β members KPNB1 (importin-β1), IPO7 (importin-7), and IPO9 (importin-9); oxidative stress induces NUAK1 cytoplasmic accumulation by inhibiting this nuclear transport. |
Bioinformatics NLS prediction, subcellular fractionation, NLS deletion mutants, importin knockdown (IPO7, IPO9 siRNA), importazole treatment, mass spectrometry identification of NUAK1-importin interactions, immunofluorescence |
Journal of cellular biochemistry |
Medium |
31090959
|
| 2020 |
Cytosolic NUAK1 increases ATP levels via increased mitochondrial respiration and maintains glycolytic capacity under mitochondrial inhibition; NUAK1 inhibition leads to 'donut-like' mitochondrial morphology changes indicating NUAK1-dependent mitochondrial morphology regulation. Nuclear NUAK1 appears involved in the metabolic switch to glycolysis. |
Subcellular fractionation, mitochondrial respiration assays (Seahorse), ATP measurement, NUAK1 inhibition, mitochondrial morphology imaging |
Frontiers in oncology |
Medium |
32754444
|
| 2022 |
ARK5 (NUAK1) directly interacts with and phosphorylates hnRNP A1 on serine residues within the F-peptide region; the M9 motif of hnRNP A1 is essential for this interaction and phosphorylation. ARK5-mediated phosphorylation of hnRNP A1 controls its cytoplasmic relocalization during hypertonic stress; ARK5 silencing increases Bcl-xL expression and delays caspase activation. |
Immunoprecipitation, in vitro kinase assay, hnRNP A1 domain mutagenesis (M9 motif deletion), subcellular fractionation, siRNA knockdown, caspase activation assays |
The Journal of biological chemistry |
High |
35963429
|
| 2020 |
NUAK1 coordinates growth factor-dependent mTORC2 and Akt activation by two mechanisms: (1) interacting with mTORC2 components and regulating mTOR lysosome positioning; (2) directly phosphorylating Akt at Ser473. NUAK1 selectively promotes Akt-dependent phosphorylation of FOXO1/3a but not TSC2, and is associated with early endosomes. |
Co-immunoprecipitation with mTORC2 components, in vitro Akt phosphorylation assays, lysosome positioning analysis, subcellular fractionation (early endosome), NUAK1 inhibitors, specific substrate phosphorylation analysis |
Cell & bioscience |
Medium |
38135881
|
| 2023 |
NUAK1 governs centrosome duplication in pancreatic cancer via MYPT1/PP1β and GSK3β-dependent regulation of PLK4; loss of NUAK1 triggers genomic instability through inaccurate centrosome duplication, an effect conserved in primary fibroblasts. |
NUAK1 inhibition and depletion in PDAC cells, centrosome counting, genomic instability assays, MYPT1/PP1β and GSK3β-PLK4 pathway analysis |
Molecular oncology |
Medium |
36975767
|
| 2024 |
NUAK1 directly phosphorylates NADK (nicotinamide adenine dinucleotide kinase) at Ser64, which mitigates osimertinib-induced ROS accumulation and confers osimertinib resistance in NSCLC; NUAK1-NADK interaction was confirmed by co-immunoprecipitation and in vitro kinase assay. |
Co-immunoprecipitation, in vitro kinase assay, phosphorylation site mutagenesis (NADK Ser64), ROS measurement, genetic/pharmacological NUAK1 blockade, in vivo xenograft |
Cancer research |
High |
39159134
|
| 2024 |
NUAK1 activates STAT5-mediated transcription and stabilizes GLI1 protein in gastric cancer, promoting cancer cell expansion and chemotherapy resistance through the NUAK1/STAT5/GLI1 signaling axis. |
NUAK1 depletion/inhibition, patient-derived xenograft and transgenic mouse models, STAT5 transcriptional activity assays, GLI1 protein stability assays, co-immunoprecipitation |
Cell reports |
Medium |
38996065
|
| 2020 |
NUAK1 loss in ovarian cancer spheroids dramatically reduces FN1 gene expression (fibronectin), which is required for spheroid integrity; LKB1 maintains NUAK1 phosphorylation and promotes its stabilization; NUAK1KO spheroids show reduced integrity and increased cell death, rescued by co-incubation with soluble fibronectin. |
CRISPR NUAK1 KO in EOC cells, LKB1-NUAK1 phosphorylation assays, transcriptome analysis, fibronectin rescue experiments, xenograft metastasis model |
Cancers |
Medium |
32429240
|
| 2020 |
NUAK1 inhibition increases ROS via downregulation of NRF2-mediated antioxidant gene expression, triggering immunogenic cell death (ICD); XBP1s downstream of ICD-induced ER stress activates the mevalonate/cholesterol pathway as a negative feedback mechanism that dampens ROS and ICD. |
Kinome-wide CRISPR-Cas9 screen, NRF2 reporter assays, ROS measurement, ICD markers, HMGCR inhibition with simvastatin, cholesterol supplementation experiments |
Cell reports. Medicine |
Medium |
39824180
|
| 2023 |
NUAK1 promotes ESCC metastasis by enhancing Slug transcription through activation of the JNK/c-Jun pathway; silencing Slug completely abolishes migration and invasion of NUAK1-overexpressing ESCC cells; NUAK1 and Slug interact as shown by co-immunoprecipitation. |
Co-immunoprecipitation, dual-luciferase reporter assay for Slug promoter, JNK/c-Jun inhibition, NUAK1 overexpression/knockdown, in vivo pulmonary metastasis model |
Cancer cell international |
Medium |
37919754
|
| 2022 |
USP9X deubiquitinates and activates ARK5 (NUAK1), promoting TGF-β1-induced myofibroblast transformation via the Rho kinase pathway; USP9X-ARK5 interaction demonstrated by binding and deubiquitination assays. |
Myofibroblast-specific USP9X knockout, pharmacological USP9X inhibition, co-immunoprecipitation, deubiquitination assay, ARK5 activation assays, Rho kinase pathway analysis |
JACC. Basic to translational science |
Medium |
40310323
|
| 2024 |
ARK5 (NUAK1) enhances mitochondrial fission in multiple myeloma; ARK5 knockout leads to enhanced mitochondrial fusion (increased MFN1, MFN2, OPA1), reduced phospho-DRP1 (Ser616), lower ATP levels, higher lactate and ROS, showing ARK5 promotes mitochondrial fission for bioenergetic support. |
Biallelic ARK5 knockout in MM cell lines, mitochondrial morphology imaging, Western blotting for fusion/fission proteins, ATP measurement, ROS and lactate assays |
Cell death discovery |
Medium |
38282096
|
| 2022 |
In hepatic stellate cells, ARK5 (NUAK1) prevents degradation of TGF-β type I receptor (TβRI) and Smad4 by inhibiting Smurf2 expression, maintaining continuous TGF-β signaling; in hepatocytes, ARK5 induces EMT and promotes secretion of inflammatory factors that further activate HSCs. |
ARK5 inhibition with HTH-01-015, siRNA knockdown in HSC and hepatocyte cell lines, TβRI/Smad4 stability assays, Smurf2 expression analysis, CCl4-induced liver fibrosis mouse model |
International journal of molecular sciences |
Medium |
36361872
|
| 2024 |
NUAK1 promotes MASH-related liver injury by facilitating Caspase 6 activation and triggering pyroptosis; NUAK1/Caspase 6 axis inhibition accelerates interaction between TAK1 and RIPK1, leading to RIPK1 degradation and reduced inflammation. |
NUAK1 inhibition in MASH mouse models, Caspase 6 disruption, TAK1-RIPK1 co-immunoprecipitation, RIPK1 degradation assays |
Hepatology communications |
Medium |
38967580
|
| 2025 |
NUAK1 promotes PD-L1 transcriptional expression in hepatocellular carcinoma by activating GSK3β Ser9 phosphorylation, leading to β-catenin nuclear accumulation and transcriptional activation of PD-L1; knockdown of β-catenin reverses NUAK1-mediated PD-L1 upregulation. |
NUAK1 gain/loss-of-function, Western blotting for p-GSK3β/β-catenin, nuclear fractionation, β-catenin knockdown rescue, immunohistochemistry on patient samples |
Molecular medicine (Cambridge, Mass.) |
Medium |
39901136
|
| 2020 |
Yeast Tda1, the ortholog of human NUAK1, is a direct kinase for histone H3 threonine 11 (H3pT11) upon low glucose stress; yeast AMPK directly phosphorylates Tda1 to govern its activity, while CK2 regulates Tda1 nuclear localization, thus linking glucose stress to chromatin regulation. |
In vitro kinase assay with Tda1 and histone H3, phosphorylation site identification (H3pT11), genetic epistasis in yeast (AMPK and CK2 mutants), nuclear localization analysis |
eLife |
Medium |
33372657
|
| 2013 |
miR-211 targets NUAK1 directly, reducing NUAK1 expression and promoting melanoma cell adhesion; inhibition of miR-211 increases NUAK1 expression and decreases melanoma adhesion, while upregulation of miR-211 restores adhesion through NUAK1 repression. This defines the MITF/miR-211/NUAK1 axis as an inhibitor of the melanoma invasive program. |
miR-211 gain/loss-of-function, luciferase reporter assay for NUAK1 3'UTR targeting, adhesion assays, NUAK1 knockdown |
The Journal of investigative dermatology |
Medium |
23934065
|
| 2024 |
NUAK1 phosphorylates PSD3 (Pleckstrin Homology and Sec7-domain containing protein 3) at Ser476; phospho-deficient PSD3 leads to aberrant ARF6 activation and PI(4,5)P2 accumulation in intracellular vesicles, and in neurons leads to enhanced spine maturation in an ARF6-dependent fashion. |
ATP-analog sensitive NUAK1 chemical genetics screen, direct phosphorylation assay of PSD3, phospho-deficient mutant PSD3 (S476A), ARF6 activation assays, PI(4,5)P2 imaging, dendritic spine analysis in neurons |
bioRxivpreprint |
Medium |
42079242
|
| 2025 |
NUAK1 regulates alternative splicing in developing cortical neurons through phosphorylation of the splicing co-factor SON, controlling conserved splicing events in genes crucial for neurodevelopment; this NUAK1-SON pathway is required for proper neuronal development. |
NUAK1 knockout in cortical neurons, phosphorylation assays for SON, alternative splicing analysis (RNA-seq), SON knockdown phenocopy experiments |
bioRxivpreprint |
Medium |
bio_10.1101_2025.10.10.681550
|
| 2024 |
NUAK1 is present in human erythrocytes, undergoes increased phosphorylation in P. falciparum-infected cells, and is required for parasite invasion; pharmacological NUAK1 inhibition reduces MYPT1 phosphorylation in erythroid cells and inhibits parasite growth; NUAK1 overexpression partially rescues invasion phenotypes caused by inhibitors. |
NUAK1 inhibitors (HTH-01-015, WZ4003) with chemoproteomic selectivity profiling, MYPT1 phosphorylation assays, NUAK1 overexpression rescue, parasite invasion assays |
bioRxivpreprint |
Medium |
41278793
|
| 2024 |
NUAK1 crystal structure obtained using a chimeric protein; structure-guided drug design exploiting the unique Glu139 residue of NUAK1 enabled development of highly selective inhibitors with subnanomolar potency. |
X-ray crystallography of NUAK1 chimeric protein, structure-activity relationship, co-crystal structures of inhibitor-NUAK1 complexes |
Journal of medicinal chemistry |
Medium |
39588908
|