NKX6-2

Protein-coding gene in the species Homo sapiens
NKX6-2
Identifiers
AliasesNKX6-2, GTX, NKX6.2, NKX6B, NK6 homeobox 2, SPAX8
External IDsOMIM: 605955; MGI: 1352738; HomoloGene: 18580; GeneCards: NKX6-2; OMA:NKX6-2 - orthologs
Gene location (Human)
Chromosome 10 (human)
Chr.Chromosome 10 (human)[1]
Chromosome 10 (human)
Genomic location for NKX6-2
Genomic location for NKX6-2
Band10q26.3Start132,783,179 bp[1]
End132,786,147 bp[1]
Gene location (Mouse)
Chromosome 7 (mouse)
Chr.Chromosome 7 (mouse)[2]
Chromosome 7 (mouse)
Genomic location for NKX6-2
Genomic location for NKX6-2
Band7 F4|7 84.57 cMStart139,159,292 bp[2]
End139,162,713 bp[2]
RNA expression pattern
Bgee
HumanMouse (ortholog)
Top expressed in
  • substantia nigra

  • putamen

  • hippocampus proper

  • temporal lobe

  • amygdala

  • hypothalamus

  • caudate nucleus

  • Brodmann area 9

  • nucleus accumbens

  • corpus callosum
Top expressed in
  • ascending aorta

  • aortic valve

  • substantia nigra

  • spermatid

  • spermatocyte

  • superior frontal gyrus

  • supraoptic nucleus

  • suprachiasmatic nucleus

  • anterior horn of spinal cord

  • facial motor nucleus
More reference expression data
BioGPS
n/a
Gene ontology
Molecular function
  • DNA-binding transcription factor activity
  • RNA polymerase II cis-regulatory region sequence-specific DNA binding
  • sequence-specific DNA binding
  • DNA-binding transcription repressor activity, RNA polymerase II-specific
  • DNA binding
  • DNA-binding transcription factor activity, RNA polymerase II-specific
Cellular component
  • nucleus
Biological process
  • multicellular organism development
  • positive regulation of glial cell differentiation
  • cell differentiation
  • oligodendrocyte differentiation
  • negative regulation of glial cell differentiation
  • regulation of transcription, DNA-templated
  • negative regulation of transcription by RNA polymerase II
  • negative regulation of cell fate commitment
  • neuromuscular process controlling balance
  • positive regulation of cell fate commitment
  • central nervous system myelination
  • endocrine pancreas development
  • regulation of myelination
  • negative regulation of transcription, DNA-templated
  • positive regulation of transcription by RNA polymerase II
Sources:Amigo / QuickGO
Orthologs
SpeciesHumanMouse
Entrez

84504

14912

Ensembl

ENSG00000148826

ENSMUSG00000041309

UniProt

Q9C056

D3Z4R4

RefSeq (mRNA)

NM_177400

NM_183248

RefSeq (protein)

NP_796374

NP_899071

Location (UCSC)Chr 10: 132.78 – 132.79 MbChr 7: 139.16 – 139.16 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Homeobox protein Nkx-6.2 is a protein that in humans is encoded by the NKX6-2 gene.[5][6]

Nk6 homeobox 2 gene (Nkx6.2) is found on chromosome 10 in humans and on chromosome 7 in murine species.[7][8] Expression of the Nkx6.2 gene results in the Nkx6.2 transcription factor.[9] Its expression can be seen in the fetal brain, ventral portion of the neural tube, and the developing spinal cord during embryogenesis as well as in the adult brain.[9][10] Expression was also found to be in germ cells of testes.[11]

Nkx6.2 is involved in the patterning of the central nervous system during early embryo development.[12] As this gene continues to be researched, newfound information suggests that it aids in human oligodendrocyte maturation.[10][13] It has also been found to be important in motor function stemming from spinal neuronal circuits.[7]

Disorders with this gene can result in Spastic Ataxia which is a disease characterized by possible neurological issues, impaired learning ability, and a hypomyelinated central nervous system.[8][14] Another study has shown that methylation of Nkx6.2 can be correlated with renal cancer metastasis.[15] An Nkx6.2 knock-out mouse model showed abnormal motor ability thus corroborating that Nkx6.2 plays a role in central nervous system development.[7]

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000148826 – Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000041309 – Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. ^ Lee SH, Davison JA, Vidal SM, Belouchi A (February 2001). "Cloning, expression and chromosomal location of NKX6B TO 10Q26, a region frequently deleted in brain tumors". Mamm. Genome. 12 (2): 157–62. doi:10.1007/s003350010247. PMID 11210186. S2CID 22368753.
  6. ^ "Entrez Gene: NK6 homeobox 2".
  7. ^ a b c Touch M, Harris A, Schakman O, Kondratskaya E, Boulland J, Dauguet N, Debrulle S, Baudouin C, Figueroa M, Mu X, Gow A, Glover C, Tissir F, Clotman F (2020). "Onecut-dependent Nkx6.2 transcription factor expression is required for proper formation and activity of spinal locomotor circuits". Scientific Reports. 10 (1): 996. Bibcode:2020NatSR..10..996T. doi:10.1038/s41598-020-57945-4. PMC 6976625. PMID 31969659.
  8. ^ a b Hosseini Bereshneh A, Hosseipour S, Rasoulinezhad M, Pak N, Garshasbi M, Tavasoli A (2020). "Expanding the clinical and neuroimaging features of NKX6-2-related hereditary spastic ataxia type 8". European Journal of Medical Genetics. 63 (5): 103868. doi:10.1016/j.ejmg.2020.103868. PMID 32004679.
  9. ^ a b Vallstedt A, Muhr J, Pattyn A, Pierani A, Mendelsohn M, Sander M, Jessel T, Ericson J (2001). "Different Levels of Repressor Activity Assign Redundant and Specific Roles to Nkx6 Genes in Motor Neuron and Interneuron Specification". Neuron. 31 (5): 743–755. doi:10.1016/s0896-6273(01)00412-3. PMID 11567614.
  10. ^ a b Chelban V, Patel N, Vandrovcova J, Zanetti M, Lynch D, Ryten M, Botia J, Bello O, Tribollet E, Efthymiou S, Davagnanam I, Bashiri F, Wood N, Rothman J, Alkuraya F (2017). "Mutations in NKX6-2 Cause Progressive Spastic Ataxia and Hypomyelination". The American Journal of Human Genetics. 100 (6): 969–977. doi:10.1016/j.ajhg.2017.05.009. PMC 5473715. PMID 28575651.
  11. ^ Komuro I, Schalling M, Jahn L, Bodmer R, Jenkins N, Copeland N, Izumo S (1993). "Gtx: a novel murine homeobox-containing gene, expressed specifically in glial cells of the brain and germ cells of testis, has a transcriptional repressor activity in vitro for a serum-inducible promoter". The EMBO Journal. 12 (4): 1387–1401. doi:10.1002/j.1460-2075.1993.tb05783.x. PMC 413350. PMID 8096811.
  12. ^ Southwood C, He C, Garbern J, Kamholz J, Arroyo E, Gow A (2004). "CNS myelin paranodes require Nkx6-2 homeoprotein transcriptional activity for normal structure". Journal of Neuroscience. 24 (50): 11215–11225. doi:10.1523/JNEUROSCI.3479-04.2004. PMC 6730372. PMID 15601927.
  13. ^ Cai J, Zhu Q, Zheng K, Li H, Qi Y, Cao Q, Qiu M (2010). "Co-localization of Nkx6. 2 and Nkx2. 2 homeodomain proteins in differentiated myelinating oligodendrocytes". Glia. 58 (4): 458–468. doi:10.1002/glia.20937. PMC 2807475. PMID 19780200.
  14. ^ Shurrab S, Cordeiro D, Mercimek-Andrews S, Shuen AY (2023). "NKX6-2 Disease in Two Unrelated Patients with Early-Onset Spastic Quadriplegia and Diffuse Hypomyelinating Leukodystrophy". Brain Disorders. 9: 100069. doi:10.1016/j.dscb.2023.100069.
  15. ^ Serth J, Peters I, Katzendorn O, Dang T, Moog J, Balli Z, Reese C, Hennenlotter J, Grote A, Lafos M, Tezval H, Kuczyk M (2022). "Identification of a Novel Renal Metastasis Associated CpG-Based DNA Methylation Signature (RMAMS)". Int J Mol Sci. 23 (19): 11190. doi:10.3390/ijms231911190. PMC 9569431. PMID 36232491.

Further reading

  • Strausberg RL, Feingold EA, Grouse LH, et al. (2002). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

  • v
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(1) Basic domains
(1.1) Basic leucine zipper (bZIP)
(1.2) Basic helix-loop-helix (bHLH)
Group A
Group B
Group C
bHLH-PAS
Group D
Group E
Group F
bHLH-COE
(1.3) bHLH-ZIP
(1.4) NF-1
(1.5) RF-X
(1.6) Basic helix-span-helix (bHSH)
(2) Zinc finger DNA-binding domains
(2.1) Nuclear receptor (Cys4)
subfamily 1
subfamily 2
subfamily 3
subfamily 4
subfamily 5
subfamily 6
subfamily 0
(2.2) Other Cys4
(2.3) Cys2His2
(2.4) Cys6
(2.5) Alternating composition
(2.6) WRKY
(3) Helix-turn-helix domains
(3.1) Homeodomain
Antennapedia
ANTP class
protoHOX
Hox-like
metaHOX
NK-like
other
(3.2) Paired box
(3.3) Fork head / winged helix
(3.4) Heat shock factors
(3.5) Tryptophan clusters
(3.6) TEA domain
  • transcriptional enhancer factor
(4) β-Scaffold factors with minor groove contacts
(4.1) Rel homology region
(4.2) STAT
(4.3) p53-like
(4.4) MADS box
(4.6) TATA-binding proteins
(4.7) High-mobility group
(4.9) Grainyhead
(4.10) Cold-shock domain
(4.11) Runt
(0) Other transcription factors
(0.2) HMGI(Y)
(0.3) Pocket domain
(0.5) AP-2/EREBP-related factors
(0.6) Miscellaneous
see also transcription factor/coregulator deficiencies


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