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Target intelligence / Profile preview
Zinc finger HIT domain-containing protein 1 (ZNHIT1)
- Target
- ZNHIT1
- Molecular classification
- Chromatin remodeler, Histone chaperone complex subunit (SRCAP complex), Zinc finger protein, Other (as regulatory protein, not a classic receptor/enzyme/transporter)
01
Overview
Zinc finger HIT domain-containing protein 1 (ZNHIT1) is an evolutionarily conserved chromatin remodeler and subunit of the SRCAP complex, which regulates gene expression by promoting the incorporation of the histone variant H2A.Z at specific genomic sites. It is essential for maintaining quiescence and lineage commitment in hematopoietic stem cells, controlling the fate and homeostasis of intestinal and other tissue stem cells, and facilitating the appropriate expression of genes involved in muscle differentiation, neurogenesis, germ cell meiosis, and the DNA damage response. Loss of ZNHIT1 disrupts tissue homeostasis and has been linked to impaired organ development, stem cell exhaustion, developmental syndromes, and cancer-related processes, but it is not presently considered a direct therapeutic target.
- Other names
- CGBP1ZNFN4A1CG1IH_DJ0747G18.14p18 HamletCyclin-G1-binding protein 1putative cyclin G1 interacting proteinzinc finger protein subfamily 4A member 1ZNHIT-1p18(Hamlet)
02
Biological functions
Chromatin remodeling (histone variant H2A.Z incorporation)Maintenance of stem cell quiescence (hematopoietic and intestinal stem cells)Muscle cell differentiationPositive regulation of DNA damage response and cell cycle arrest (TP53/p53-mediated)Meiotic gene expression (in germ cells)Apoptosis (TP53/p53-dependent pathway)Regulation of gene expression in heart, intestine, lens, and neural development
03
Disease associations
Cancer (by altering cell cycle, apoptosis, and stem cell regulation)Developmental syndromes (associated with Floating-Harbor syndrome)Potential roles in hematological and gastrointestinal diseases (stem cell maintenance)
04
Safety considerations
Potential for disrupting tissue stem cell maintenance if inhibited (risk of hematopoietic or intestinal dysfunction)Could influence cell proliferation and apoptosis if affected inadvertently
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