HIRA

Last updated
HIRA
Protein HIRA PDB 2i32.png
Available structures
PDB Ortholog search: PDBe RCSB
Identifiers
Aliases HIRA , DGCR1, TUP1, TUPLE1, histone cell cycle regulator
External IDs OMIM: 600237 MGI: 99430 HomoloGene: 48172 GeneCards: HIRA
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_003325

NM_001005228
NM_010435

RefSeq (protein)

NP_003316

NP_034565

Location (UCSC) Chr 22: 19.33 – 19.45 Mb Chr 16: 18.7 – 18.79 Mb
PubMed search [3] [4]
Wikidata
View/Edit Human View/Edit Mouse

Protein HIRA is a protein that in humans is encoded by the HIRA gene. [5] [6] [7] [8] This gene is mapped to 22q11.21, centromeric to COMT. [8]

Contents

Function

The specific function of this protein has yet to be determined; however, it has been speculated to play a role in transcriptional regulation and/or chromatin and histone metabolism. [8]

Research done by Salomé Adam, Sophie E. Polo, and Geneviève Almouzni indicate that HIRA proteins are involved in restarting transcription after UVC damage. [9] Function of HIRA gene can be effectively examined by siRNA knockdown based on an independent validation. [10]

Clinical significance

It is considered the primary candidate gene in some haploinsufficiency syndromes such as DiGeorge syndrome, and insufficient production of the gene may disrupt normal embryonic development. [8]

Model organisms

Model organisms have been used in the study of HIRA function. A conditional knockout mouse line, called Hiratm1a(EUCOMM)Wtsi [15] [16] was generated as part of the International Knockout Mouse Consortium program — a high-throughput mutagenesis project to generate and distribute animal models of disease to interested scientists. [17] [18] [19]

Male and female animals underwent a standardized phenotypic screen to determine the effects of deletion. [13] [20] Twenty two tests were carried out on mutant mice and two significant abnormalities were observed. [13] No homozygous mutant mice survived until weaning. The remaining tests were carried out on heterozygous mutant adult mice and a decreased leukocyte cell number was recorded in male animals. [13]

Interactions

HIRA has been shown to interact with HIST1H2BK. [21]

Related Research Articles

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Histone H2B type 2-E is a protein that in humans is encoded by the HIST2H2BE gene.

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<span class="mw-page-title-main">CTBP2</span> Protein-coding gene in the species Homo sapiens

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<span class="mw-page-title-main">HIST1H2BD</span> Protein-coding gene in the species Homo sapiens

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General transcription factor 3C polypeptide 5 is a protein that in humans is encoded by the GTF3C5 gene.

<span class="mw-page-title-main">HIRIP3</span> Protein-coding gene in the species Homo sapiens

HIRA-interacting protein 3 is a protein that in humans is encoded by the HIRIP3 gene.

References

  1. 1 2 3 GRCh38: Ensembl release 89: ENSG00000100084 - Ensembl, May 2017
  2. 1 2 3 GRCm38: Ensembl release 89: ENSMUSG00000022702 - 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. Halford S, Wadey R, Roberts C, Daw SC, Whiting JA, O'Donnell H, Dunham I, Bentley D, Lindsay E, Baldini A (Mar 1994). "Isolation of a putative transcriptional regulator from the region of 22q11 deleted in DiGeorge syndrome, Shprintzen syndrome and familial congenital heart disease". Hum Mol Genet. 2 (12): 2099–107. doi:10.1093/hmg/2.12.2099. PMID   8111380.
  6. Lamour V, Lécluse Y, Desmaze C, Spector M, Bodescot M, Aurias A, Osley MA, Lipinski M (Sep 1995). "A human homolog of the S. cerevisiae HIR1 and HIR2 transcriptional repressors cloned from the DiGeorge syndrome critical region". Hum Mol Genet. 4 (5): 791–9. doi:10.1093/hmg/4.5.791. PMID   7633437.
  7. Magnaghi P, Roberts C, Lorain S, Lipinski M, Scambler PJ (Oct 1998). "HIRA, a mammalian homologue of Saccharomyces cerevisiae transcriptional co-repressors, interacts with Pax3". Nat Genet. 20 (1): 74–7. doi: 10.1038/1739 . PMID   9731536. S2CID   19736941.
  8. 1 2 3 4 "Entrez Gene: HIRA HIR histone cell cycle regulation defective homolog A (S. cerevisiae)".
  9. Adam, Salomé; Polo, Sophie E.; Almouzni, Geneviève (26 September 2013). "Transcription Recovery after DNA Damage Requires Chromatin Priming by the H3.3 Histone Chaperone HIRA". Cell. 155 (1): 94–106. doi: 10.1016/j.cell.2013.08.029 . PMID   24074863. S2CID   3147953.
  10. Munkácsy, Gyöngyi; Sztupinszki, Zsófia; Herman, Péter; Bán, Bence; Pénzváltó, Zsófia; Szarvas, Nóra; Győrffy, Balázs (2016). "Validation of RNAi Silencing Efficiency Using Gene Array Data shows 18.5% Failure Rate across 429 Independent Experiments". Molecular Therapy: Nucleic Acids. 5 (9): e366. doi:10.1038/mtna.2016.66. PMC   5056990 . PMID   27673562.
  11. "Haematology data for Hira". Wellcome Trust Sanger Institute.
  12. "Salmonella infection data for Hira". Wellcome Trust Sanger Institute.
  13. 1 2 3 4 Gerdin AK (2010). "The Sanger Mouse Genetics Programme: High throughput characterisation of knockout mice". Acta Ophthalmologica. 88: 925–7. doi:10.1111/j.1755-3768.2010.4142.x. S2CID   85911512.
  14. Mouse Resources Portal, Wellcome Trust Sanger Institute.
  15. "International Knockout Mouse Consortium".
  16. "Mouse Genome Informatics".
  17. Skarnes WC, Rosen B, West AP, Koutsourakis M, Bushell W, Iyer V, Mujica AO, Thomas M, Harrow J, Cox T, Jackson D, Severin J, Biggs P, Fu J, Nefedov M, de Jong PJ, Stewart AF, Bradley A (2011). "A conditional knockout resource for the genome-wide study of mouse gene function". Nature. 474 (7351): 337–342. doi:10.1038/nature10163. PMC   3572410 . PMID   21677750.
  18. Dolgin E (2011). "Mouse library set to be knockout". Nature. 474 (7351): 262–3. doi:10.1038/474262a. PMID   21677718.
  19. Collins FS, Rossant J, Wurst W (2007). "A Mouse for All Reasons". Cell. 128 (1): 9–13. doi: 10.1016/j.cell.2006.12.018 . PMID   17218247. S2CID   18872015.
  20. van der Weyden L, White JK, Adams DJ, Logan DW (2011). "The mouse genetics toolkit: revealing function and mechanism". Genome Biol. 12 (6): 224. doi:10.1186/gb-2011-12-6-224. PMC   3218837 . PMID   21722353.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  21. Lorain S, Quivy JP, Monier-Gavelle F, Scamps C, Lécluse Y, Almouzni G, Lipinski M (September 1998). "Core histones and HIRIP3, a novel histone-binding protein, directly interact with WD repeat protein HIRA". Mol. Cell. Biol. 18 (9): 5546–56. doi:10.1128/MCB.18.9.5546. PMC   109139 . PMID   9710638.

Further reading