UHMK1

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Identifiers
Aliases
External IDsGeneCards: [1]
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
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RefSeq (mRNA)

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RefSeq (protein)

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U2AF homology motif (UHM) kinase 1, also known as UHMK1, is a protein which in humans is encoded by the UHMK1 gene.[1][2]

Function

UHMK1 is a kinase enzyme which phosphorylates the protein stathmin and has an RNA recognition motif of unknown function.[3]

Clinical significance

UHMK1 is highly expressed in the brain and has been genetically implicated in schizophrenia in two genetic studies.[4][5] Mice with the gene encoding stathmin knocked out, so that they do not express this protein in the brain, show abnormal fear responses. This effect could be developed as an animal model for schizophrenia.[6] UHMK1 also phosphorylates the CNS proteins myelin basic protein (MBP) and synapsin I so that genetic abnormalities in UHMK1 could contribute to the genetic cause of schizophrenia through several different brain pathways.

References

  1. "Entrez Gene: UHMK1 U2AF homology motif (UHM) kinase 1".
  2. Boehm M, Yoshimoto T, Crook MF, Nallamshetty S, True A, Nabel GJ, Nabel EG (July 2002). "A growth factor-dependent nuclear kinase phosphorylates p27Kip1 and regulates cell cycle progression". The EMBO Journal. 21 (13): 3390–401. doi:10.1093/emboj/cdf343. PMC 126092. PMID 12093740.
  3. Bièche I, Manceau V, Curmi PA, Laurendeau I, Lachkar S, Leroy K, Vidaud D, Sobel A, Maucuer A (May 2003). "Quantitative RT-PCR reveals a ubiquitous but preferentially neural expression of the KIS gene in rat and human". Brain Research. Molecular Brain Research. 114 (1): 55–64. doi:10.1016/S0169-328X(03)00132-3. PMID 12782393.
  4. Puri V, McQuillin A, Choudhury K, et al. (2007). "Fine mapping by genetic association implicates the chromosome 1q23.3 gene UHMK1, encoding a serine/threonine protein kinase, as a novel schizophrenia susceptibility gene". Biol. Psychiatry. 61 (7): 873–9. doi:10.1016/j.biopsych.2006.06.014. PMID 16978587.
  5. Puri V, McQuillin A, Datta S, Choudhury K, Pimm J, Thirumalai S, Krasucki R, Lawrence J, Quested D, Bass N, Crombie C, Fraser G, Walker N, Moorey H, Ray MK, Sule A, Curtis D, St Clair D, Gurling H (October 2008). "Confirmation of the genetic association between the U2AF homology motif (UHM) kinase 1 (UHMK1) gene and schizophrenia on chromosome 1q23.3". European Journal of Human Genetics. 16 (10): 1275–82. doi:10.1038/ejhg.2008.76. PMID 18414510.
  6. Shumyatsky GP, Malleret G, Shin RM, Takizawa S, Tully K, Tsvetkov E, Zakharenko SS, Joseph J, Vronskaya S, Yin D, Schubart UK, Kandel ER, Bolshakov VY (November 2005). "stathmin, a gene enriched in the amygdala, controls both learned and innate fear". Cell. 123 (4): 697–709. doi:10.1016/j.cell.2005.08.038. PMID 16286011.

Further reading