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ARID1A

From Wikipedia, the free encyclopedia
Protein-coding gene in humans

ARID1A
Available structures
PDBOrtholog search:PDBeRCSB
List of PDB id codes

1RYU

Identifiers
AliasesARID1A, B120, BAF250, BAF250a, BM029, C1orf4, ELD, MRD14, OSA1, P270, SMARCF1, hELD, hOSA1, CSS2, AT-rich interaction domain 1A
External IDsOMIM:603024;MGI:1935147;HomoloGene:21216;GeneCards:ARID1A;OMA:ARID1A - orthologs
Gene location (Human)
Chromosome 1 (human)
Chr.Chromosome 1 (human)[1]
Chromosome 1 (human)
Genomic location for ARID1A
Genomic location for ARID1A
Band1p36.11Start26,693,236bp[1]
End26,782,104bp[1]
Gene location (Mouse)
Chromosome 4 (mouse)
Chr.Chromosome 4 (mouse)[2]
Chromosome 4 (mouse)
Genomic location for ARID1A
Genomic location for ARID1A
Band4|4 D2.3Start133,679,008bp[2]
End133,756,769bp[2]
RNA expression pattern
Bgee
HumanMouse (ortholog)
Top expressed in
  • bone marrow cell

  • ventricular zone

  • embryo

  • epithelium of colon

  • mucosa of ileum

  • ganglionic eminence

  • caput epididymis

  • corpus epididymis

  • sural nerve

  • trabecular bone
Top expressed in
  • zygote

  • secondary oocyte

  • primitive streak

  • lymph node

  • tail of embryo

  • genital tubercle

  • molar

  • primary oocyte

  • human fetus

  • neural layer of retina
More reference expression data
BioGPS




More reference expression data
Gene ontology
Molecular function
Cellular component
Biological process
Sources:Amigo /QuickGO
Orthologs
SpeciesHumanMouse
Entrez

8289

93760

Ensembl

ENSG00000117713

ENSMUSG00000007880

UniProt

O14497

A2BH40

RefSeq (mRNA)

NM_139135
NM_006015
NM_018450

NM_001080819
NM_001363070

RefSeq (protein)

NP_006006
NP_624361

NP_001074288
NP_001349999
NP_001388200
NP_001388202
NP_001388204

NP_001388205

Location (UCSC)Chr 1: 26.69 – 26.78 MbChr 4: 133.68 – 133.76 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

AT-rich interactive domain-containing protein 1A is aprotein that in humans is encoded by theARID1Agene.[5][6][7]

Function

[edit]

ARID1A is a member of theSWI/SNF family, whose members have helicase andATPase activities and are thought to regulatetranscription of certain genes by altering thechromatin structure around those genes. The encoded protein is part of the large ATP-dependent chromatin remodelling complex SWI/SNF, which is required for transcriptional activation of genes normally repressed by chromatin. The protein has two largeintrinsically disordered regions (IDRs) that mediate the interaction with binding partners.[8] It also possesses at least two conserved domains that are important for its function. First, it has anARID domain, which is aDNA-binding domain that can specifically bind an AT-rich DNA sequence known to be recognized by a SWI/SNF complex at thebeta-globin locus. Second, theC-terminus of the protein can stimulateglucocorticoid receptor-dependent transcriptional activation. The protein encoded by this gene confers specificity to the SWI/SNF complex and recruits the complex to its targets through either protein-DNA or protein-protein interactions.[9][10] Two transcript variants encoding differentisoforms have been found for this gene.[7]

Clinical significance

[edit]

The gene encoding ARID1A is the most frequently mutated SWI/SNF subunit across cancers.[11] This gene has been commonly found mutated in different cancers leading to loss of function, includinggastric cancers,[12]colon cancer,[13]ovarian clear cell carcinoma,[14]liver cancer,[15]lymphoma[9] andpancreatic cancer.[16]Inbreast cancer distantmetastases acquire inactivation mutations in ARID1A not seen in the primary tumor, and reduced ARID1A expression confers resistance to different drugs such astrastuzumab andmTOR inhibitors. These findings provide a rationale for why tumors accumulate ARID1A mutations.[17][18]

Research

[edit]

Lack of this gene/protein seems to protect rats from some types of liver damage.[19]

Interactions

[edit]

ARID1Ainteracts with SWI/SNF subunitsSMARCB1[20][21] andSMARCA4.[21][22]Intrinsically disordered regions of ARID1A enable the SWI/SNF complex to interact with multipletranscription factors through binding of theARM domain ofbeta-catenin.[8]

References

[edit]
  1. ^abcGRCh38: Ensembl release 89: ENSG00000117713Ensembl, May 2017
  2. ^abcGRCm38: Ensembl release 89: ENSMUSG00000007880Ensembl, 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. ^Takeuchi T, Furihata M, Heng HH, Sonobe H, Ohtsuki Y (June 1998). "Chromosomal mapping and expression of the human B120 gene".Gene.213 (1–2):189–193.doi:10.1016/S0378-1119(98)00194-2.PMID 9630625.
  6. ^Takeuchi T, Chen BK, Qiu Y, Sonobe H, Ohtsuki Y (December 1997). "Molecular cloning and expression of a novel human cDNA containing CAG repeats".Gene.204 (1–2):71–77.doi:10.1016/S0378-1119(97)00525-8.PMID 9434167.
  7. ^ab"Entrez Gene: ARID1A AT rich interactive domain 1A (SWI-like)".
  8. ^abChan YS, Gao Q, Robinson SA, Wang W, Filandrova R, Weinhold LM, et al. (2025-07-15)."β-catenin functions as a molecular adapter for disordered cBAF interactions".Molecular Cell.85 (16): S1097–2765(25)00576–3.doi:10.1016/j.molcel.2025.06.026.ISSN 1097-4164.PMC 12323811.PMID 40695292.
  9. ^abBarisic D, Chin CR, Meydan C, Teater M, Tsialta I, Mlynarczyk C, et al. (March 2024)."ARID1A orchestrates SWI/SNF-mediated sequential binding of transcription factors with ARID1A loss driving pre-memory B cell fate and lymphomagenesis".Cancer Cell.42 (4): 583–604.e11.doi:10.1016/j.ccell.2024.02.010.PMC 11407687.PMID 38458187.
  10. ^Patil A, Strom AR, Paulo JA, Collings CK, Ruff KM, Shinn MK, et al. (October 2023)."A disordered region controls cBAF activity via condensation and partner recruitment".Cell.186 (22): 4936–4955.e26.doi:10.1016/j.cell.2023.08.032.PMC 10792396.PMID 37788668.
  11. ^Gourisankar S, Krokhotin A, Wenderski W, Crabtree GR (November 2023)."Context-specific functions of chromatin remodellers in development and disease".Nature Reviews. Genetics.25 (5):340–361.doi:10.1038/s41576-023-00666-x.PMC 11867214.PMID 38001317.
  12. ^Wang K, Kan J, Yuen ST, Shi ST, Chu KM, Law S, et al. (October 2011). "Exome sequencing identifies frequent mutation of ARID1A in molecular subtypes of gastric cancer".Nature Genetics.43 (12):1219–1223.doi:10.1038/ng.982.PMID 22037554.S2CID 8884065.
  13. ^Mathur R, Alver BH, San Roman AK, Wilson BG, Wang X, Agoston AT, et al. (February 2017)."ARID1A loss impairs enhancer-mediated gene regulation and drives colon cancer in mice".Nature Genetics.49 (2):296–302.doi:10.1038/ng.3744.PMC 5285448.PMID 27941798.
  14. ^Wiegand KC, Shah SP, Al-Agha OM, Zhao Y, Tse K, Zeng T, et al. (October 2010)."ARID1A mutations in endometriosis-associated ovarian carcinomas".The New England Journal of Medicine.363 (16):1532–1543.doi:10.1056/NEJMoa1008433.PMC 2976679.PMID 20942669.
  15. ^Sun X, Wang SC, Wei Y, Luo X, Jia Y, Li L, et al. (November 2017)."Arid1a Has Context-Dependent Oncogenic and Tumor Suppressor Functions in Liver Cancer".Cancer Cell.32 (5): 574–589.e6.doi:10.1016/j.ccell.2017.10.007.PMC 5728182.PMID 29136504.
  16. ^Shain AH, Giacomini CP, Matsukuma K, Karikari CA, Bashyam MD, Hidalgo M, et al. (January 2012)."Convergent structural alterations define SWItch/Sucrose NonFermentable (SWI/SNF) chromatin remodeler as a central tumor suppressive complex in pancreatic cancer".Proceedings of the National Academy of Sciences of the United States of America.109 (5):E252 –E259.Bibcode:2012PNAS..109E.252S.doi:10.1073/pnas.1114817109.PMC 3277150.PMID 22233809.
  17. ^Berns K, Sonnenblick A, Gennissen A, Brohée S, Hijmans EM, Evers B, et al. (November 2016)."Loss of ARID1A Activates ANXA1, which Serves as a Predictive Biomarker for Trastuzumab Resistance".Clinical Cancer Research.22 (21):5238–5248.doi:10.1158/1078-0432.CCR-15-2996.PMID 27172896.
  18. ^Yates LR, Knappskog S, Wedge D, Farmery JH, Gonzalez S, Martincorena I, et al. (August 2017)."Genomic Evolution of Breast Cancer Metastasis and Relapse".Cancer Cell.32 (2): 169–184.e7.doi:10.1016/j.ccell.2017.07.005.PMC 5559645.PMID 28810143.
  19. ^"Tissue Regeneration Promoted through Gene Suppression".Genetic Engineering & Biotechnology News. March 2016.
  20. ^Kato H, Tjernberg A, Zhang W, Krutchinsky AN, An W, Takeuchi T, et al. (February 2002)."SYT associates with human SNF/SWI complexes and the C-terminal region of its fusion partner SSX1 targets histones".The Journal of Biological Chemistry.277 (7):5498–5505.doi:10.1074/jbc.M108702200.hdl:2066/170683.PMID 11734557.
  21. ^abWang W, Côté J, Xue Y, Zhou S, Khavari PA, Biggar SR, et al. (October 1996)."Purification and biochemical heterogeneity of the mammalian SWI-SNF complex".The EMBO Journal.15 (19):5370–5382.doi:10.1002/j.1460-2075.1996.tb00921.x.PMC 452280.PMID 8895581.
  22. ^Zhao K, Wang W, Rando OJ, Xue Y, Swiderek K, Kuo A, et al. (November 1998)."Rapid and phosphoinositol-dependent binding of the SWI/SNF-like BAF complex to chromatin after T lymphocyte receptor signaling".Cell.95 (5):625–636.doi:10.1016/S0092-8674(00)81633-5.PMID 9845365.S2CID 3184211.

Further reading

[edit]

External links

[edit]
PDB gallery
  • 1ryu: Solution Structure of the SWI1 ARID
    1ryu: Solution Structure of the SWI1 ARID
(1) Basic domains
(1.1) Basicleucine 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
(3.1)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

This article incorporates text from theUnited States National Library of Medicine, which is in thepublic domain.

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