ArticleMolecular biology reports2024
SETDB1 deletion causes DNA demethylation and upregulation of multiple zinc-finger genes.
Article in Molecular biology reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Cell density-dependent nuclear-cytoplasmic shuttling of SETDB1 integrates with Hippo signaling to regulate YAP1-mediated transcription.FEBS letters · 2026Article
- Emergence of CpG-cluster blanket methylation in aged tissues: a novel signature of epigenomic aging.Nucleic acids research · 2025Article
- Article
- SETDB1 activity is globally directed by H3K14 acetylation via its Triple Tudor Domain.Nucleic acids research · 2024Article
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Authors and funding
4 authors.
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Abstract
backgroundSETDB1 (SET domain bifurcated-1) is a histone H3-lysine 9 (H3K9)-specific methyltransferase that mediates heterochromatin formation and repression of target genes. Despite the assumed functional link between DNA methylation and SETDB1-mediated H3K9 trimethylations, several studies have shown that SETDB1 operates autonomously of DNA methylation in a region- and cell-specific manner. This study analyzes SETDB1-null HAP1 cells through a linked methylome and transcriptome analysis, intending to explore genes controlled by SETDB1-involved DNA methylation. METHODS AND
resultsWe investigated SETDB1-mediated regulation of DNA methylation and gene transcription in human HAP1 cells using reduced-representation bisulfite sequencing (RRBS) and RNA sequencing. While two-thirds of differentially methylated CpGs (DMCs) in genic regions were hypomethylated in SETDB1-null cells, we detected a plethora of C2H2-type zinc-finger protein genes (C2H2-ZFP, 223 of 749) among the DMC-associated genes. Most C2H2-ZFPs with DMCs in their promoters were found hypomethylated in SETDB1-KO cells, while other non-ZFP genes with promoter DMCs were not. These C2H2-ZFPs with DMCs in their promoters were significantly upregulated in SETDB1-KO cells. Similarly, C2H2-ZFP genes were upregulated in SETDB1-null 293T cells, suggesting that SETDB1's function in ZFP gene repression is widespread. There are several C2H2-ZFP gene clusters on chromosome 19, which were selectively hypomethylated in SETDB1-KO cells.
conclusionsSETDB1 collectively and specifically represses a substantial fraction of the C2H2-ZFP gene family. Through the en-bloc silencing of a set of ZFP genes, SETDB1 may help establish a panel of ZFP proteins that are expressed cell-type specifically and thereby can serve as signature proteins for cellular identity.
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