Biology:NUAK1

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Short description: Protein-coding gene in the species Homo sapiens


A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

NUAK family SNF1-like kinase 1 also known as AMPK-related protein kinase 5 (ARK5) is an enzyme that in humans is encoded by the NUAK1 gene.[1][2][3]

Function

Acts as a regulator of cellular senescence and cellular ploidy by mediating phosphorylation of 'Ser-464' of LATS1, thereby controlling its stability. Controls cell adhesion by regulating activity of the myosin protein phosphatase 1 (PP1) complex.[4]

Clinical significance

ARK5 is important in tumor malignancy and invasiveness.[5]

Research findings

ARK5 is often overexpressed in multiple myeloma cell lines.[6][7] ARK5 promotes tumor cell survival under regulation by Akt.[5]

ARK5 increases MT1-MMP production.[5] (MT1-MMP activates MMP-2 and MMP-9 which are involved in tumor metastasis.[5])

As a drug target

ON123300 (a CDK4 inhibitor), also inhibits ARK5 and reduces proliferation of multiple myeloma and mantle cell lymphoma cell lines.[6]

Interactions

NUAK1 has been shown to interact with USP9X[8] and Ubiquitin C.[8]

References

  1. "Identification of a novel protein kinase mediating Akt survival signaling to the ATM protein". J Biol Chem 278 (1): 48–53. Dec 2002. doi:10.1074/jbc.M206025200. PMID 12409306. http://espace.library.uq.edu.au/view/UQ:65358/UQ65358_OA.pdf. 
  2. "ARK5 suppresses the cell death induced by nutrient starvation and death receptors via inhibition of caspase 8 activation, but not by chemotherapeutic agents or UV irradiation". Oncogene 22 (40): 6177–82. Sep 2003. doi:10.1038/sj.onc.1206899. PMID 13679856. 
  3. "Entrez Gene: NUAK1 NUAK family, SNF1-like kinase, 1". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=9891. 
  4. Protein Coding (2021-11-14). "NUAK1 Gene - NUAK Family Kinase 1" (in en). https://www.genecards.org/cgi-bin/carddisp.pl?gene=NUAK1. 
  5. 5.0 5.1 5.2 5.3 "ARK5 is a tumor invasion-associated factor downstream of Akt signaling.". Mol. Cell. Biol. 24 (8): 3526–35. 2004. doi:10.1128/MCB.24.8.3526-3535.2004. PMID 15060171. 
  6. 6.0 6.1 Multi-Target Drug Blocks Myeloma Proliferation. March 2016
  7. Deepak Perumal (2014). "Dual targeting of CDK4 and ARK5 using a novel kinase inhibitor ON123300 is effective in vitro and in vivo in Multiple Myeloma.". Proceedings of the 105th Annual Meeting of the American Association for Cancer Research; 2014 Apr 5-9; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 74: 1324. doi:10.1158/1538-7445.AM2014-1324. 
  8. 8.0 8.1 Al-Hakim, Abdallah K; Zagorska Anna; Chapman Louise; Deak Maria; Peggie Mark; Alessi Dario R (Apr 2008). "Control of AMPK-related kinases by USP9X and atypical Lys(29)/Lys(33)-linked polyubiquitin chains". Biochem. J. (England) 411 (2): 249–60. doi:10.1042/BJ20080067. PMID 18254724. https://hal.archives-ouvertes.fr/hal-00478950/file/PEER_stage2_10.1042%252FBJ20080067.pdf. 

Further reading