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HIRA histone cell cycle regulator

Gene ID: 7290, updated on 8-Sep-2024
Gene type: protein coding
Also known as: TUP1; DGCR1; TUPLE1

Summary

This gene encodes a histone chaperone that preferentially places the variant histone H3.3 in nucleosomes. Orthologs of this gene in yeast, flies, and plants are necessary for the formation of transcriptionally silent heterochomatin. This gene plays an important role in the formation of the senescence-associated heterochromatin foci. These foci likely mediate the irreversible cell cycle changes that occur in senescent cells. 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. [provided by RefSeq, Jul 2008]

Copy number response

Description
Copy number response
Haploinsufficency

No evidence available (Last evaluated 2012-08-28)

ClinGen Genome Curation Page
Triplosensitivity

No evidence available (Last evaluated 2012-08-28)

ClinGen Genome Curation Page

Genomic context

Location:
22q11.21
Sequence:
Chromosome: 22; NC_000022.11 (19330698..19431733, complement)
Total number of exons:
25

Links

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