| 2005 |
hMOF (KAT8) physically interacts with ATM protein; hMOF-dependent H4K16 acetylation is required for ATM autophosphorylation, ATM kinase activity, and downstream effector phosphorylation after ionizing radiation, establishing hMOF as an upstream regulator of ATM-mediated DNA damage signaling. |
Co-immunoprecipitation, dominant-negative mutant expression, RNAi knockdown, in vitro kinase assays |
Molecular and cellular biology |
High |
15923642
|
| 2007 |
hMOF is the primary H4K16 acetyltransferase in human cells; loss of hMOF causes G2/M arrest, nuclear morphological defects, spontaneous chromosomal aberrations, reduced transcription, and impaired DNA repair after ionizing radiation. |
RNAi knockdown with cell cycle, chromosome, and DNA repair phenotypic readouts; substrate specificity assays |
Oncogene |
High |
17694080
|
| 2008 |
hMOF-mediated H4K16 acetylation flanking the TMS1/ASC CpG island is required for nucleosome positioning and active transcription of this tumor suppressor gene; down-regulation of hMOF or MSL complex components decreases H4K16ac, disrupts nucleosome positioning, and silences TMS1 independently of DNA methylation changes. |
siRNA knockdown, chromatin immunoprecipitation, nucleosome positioning assays, gene expression analysis |
Cancer research |
High |
18701507
|
| 2010 |
hMOF and SIRT1 have opposing activities on H4K16 acetylation: hMOF acetylates H4K16 while SIRT1 deacetylates it; hMOF overexpression sensitizes multidrug-resistant cancer cells to the topoisomerase II inhibitor etoposide and this effect is antagonized by SIRT1 overexpression. |
siRNA knockdown, overexpression, western blot for H4K16ac, cell viability assays |
Oncogene |
Medium |
20118981
|
| 2011 |
hMOF autoacetylates itself at K274 within the MYST domain in vitro and in vivo; SIRT1 deacetylates autoacetylated hMOF through interaction with the MYST domain; non-acetylated hMOF binds nucleosomes more robustly, and SIRT1-mediated deacetylation promotes hMOF recruitment to chromatin and H4K16 acetylation at target genes. |
In vitro autoacetylation assay, Co-IP, in vitro nucleosome-binding assay, ChIP in HeLa cells with SIRT1 KD/OE |
Cell research |
High |
21502975
|
| 2013 |
hMOF acetylates DBC1 (CCAR2) at K112 and K215; this acetylation inhibits DBC1 binding to SirT1, thereby increasing SirT1 deacetylase activity; after DNA damage, ATM-dependent inhibition of hMOF binding to DBC1 reduces DBC1 acetylation, promoting SirT1-DBC1 complex formation and influencing cell fate. |
Co-IP, in vitro acetylation assay, site-directed mutagenesis, SirT1 deacetylase activity assay |
Molecular and cellular biology |
High |
24126058
|
| 2013 |
hMOF knockdown promotes hepatocellular carcinoma cell growth; mechanistically hMOF regulates expression of SIRT6 and its downstream genes. |
siRNA knockdown, overexpression, xenograft model, gene expression analysis |
Biochemical and biophysical research communications |
Low |
25181338
|
| 2013 |
KAT8 regulates G2/M cell cycle arrest through AKT/ERK-cyclin D1 signaling and promotes p53 induction with consequent reduction of Bcl-2 expression upon KAT8 inhibition. |
RNAi screen, lentiviral KD, cell cycle analysis, western blot for signaling intermediates |
International journal of clinical and experimental pathology |
Medium |
23638218
|
| 2013 |
Induction of autophagy is coupled to downregulation of hMOF (KAT8) and consequent reduction of H4K16ac; this H4K16 deacetylation predominantly downregulates autophagy-related genes and determines cell survival vs. death outcome during autophagy. |
hMOF knockdown/overexpression, ChIP-seq for H4K16ac genome-wide, RNA-seq, cell viability assays |
Nature |
High |
23863932
|
| 2014 |
hMOF physically interacts with and acetylates Nrf2 at Lys588; MOF-mediated Nrf2 acetylation increases nuclear retention of Nrf2 and transcription of its downstream antioxidant/drug-resistance genes. |
Co-IP, in vitro acetylation assay, site-directed mutagenesis, nuclear fractionation, reporter assays |
British journal of pharmacology |
High |
24571482
|
| 2014 |
In mouse ESCs, MOF-containing MSL complex specifically regulates Tsix (major Xist repressor) to maintain Xist repression; MSL depletion reduces Tsix expression, decreases REX1 recruitment, and causes ectopic X inactivation; the NSL complex provides Tsix-independent repression of Xist by maintaining pluripotency. |
Conditional KD, RNA-seq, ChIP-seq, allele-specific expression analysis, RNA FISH |
eLife |
High |
24842875
|
| 2014 |
MYST1 (MOF/KAT8) costimulates androgen receptor (AR) and NF-κB transcription functions in prostate cancer cells; NF-κB activation promotes SIRT1-dependent deacetylation of MYST1, and mutually exclusive interactions of MYST1 with SIRT1 vs. AR regulate H4K16 acetylation. |
Co-IP, siRNA knockdown, cell cycle analysis, apoptosis assays, western blot |
Molecular endocrinology |
Medium |
24702180
|
| 2015 |
KAT8 follows a ping-pong catalytic mechanism in which Ac-CoA binds first followed by the histone substrate; this was validated by enzyme kinetics and isothermal titration calorimetry measuring substrate affinities. |
In vitro enzyme kinetics, isothermal titration calorimetry (ITC) |
European journal of medicinal chemistry |
High |
26505788
|
| 2015 |
Arsenic trioxide directly binds hMOF protein (via its C2HC zinc finger) and inhibits its HAT activity in vitro, resulting in reduced global H4K16ac; HDAC4 upregulation by arsenic is not the primary driver of H4K16 deacetylation. |
Arsenic-immobilized agarose pulldown, in vitro HAT assay, MALDI-TOF mass spectrometry, UV absorption, overexpression rescue experiments |
PloS one |
High |
26473953
|
| 2016 |
MOF and a subset of NSL complex partners (KANSL3) reside in mitochondria; mitochondrial MOF binds mtDNA in a KANSL3-dependent manner and regulates expression of respiratory genes from both nuclear and mtDNA; a catalytically deficient MOF mutant cannot rescue respiratory or mtDNA transcriptional defects; conditional Mof KO causes hypertrophic cardiomyopathy with severe mitochondrial degeneration. |
Subcellular fractionation, mitochondrial import assays, mtDNA ChIP, catalytic mutant rescue experiments, cardiac-specific conditional KO mouse model |
Cell |
High |
27768893
|
| 2016 |
hMOF K274 autoacetylation is required for structural stability and catalytic activity; all amino acid substitutions at K274 destabilize hMOF and abrogate H4 peptide acetylation; crystal structure of K274P mutant reveals disordering of the α2-β7 loop harboring this residue; Ac-CoA binding likely drives K274 autoacetylation prior to cognate substrate acetylation. |
X-ray crystallography, in vitro acetyltransferase assays, mutational scanning, thermal stability measurements |
The Journal of biological chemistry |
High |
27382063
|
| 2017 |
KAT8's HAT enzymatic activity (H4K16 acetylation) is required for MLL-AF9 leukemia pathogenicity; catalytically inactive MOF mutants cannot rescue leukemia growth; Mof deletion reduces tumor burden in mouse MLL-AF9 AML model and impairs global H4K16ac; MOF is also required in NUP98-HOXA9-driven AML. |
Conditional Mof KO mouse model, catalytic mutant rescue, RNA-seq, γH2AX foci, small-molecule MYST inhibitor |
Cancer research |
High |
28202522
|
| 2017 |
KAT8 is essential for female fertility; oocyte-specific Kat8 deletion causes follicle development failure due to downregulation of antioxidant genes and consequent ROS increase; KAT8 directly binds antioxidant gene promoters as shown by ChIP; N-acetylcysteine antioxidant treatment rescues the follicle development defects. |
Conditional Kat8 KO (Gdf9-Cre), RNA-seq, ChIP, antioxidant rescue experiment |
Development |
High |
28506985
|
| 2017 |
Oxidative stress induces SIRT1, which deacetylates hMOF (reducing its chromatin affinity and activity), thereby decreasing H4K16ac and suppressing transcription of DNA repair genes independently of DNA methylation. |
RNA-seq, RRBS-seq, ChIP, SIRT1 KD/OE in colorectal cancer cells treated with H2O2 |
International journal of biological sciences |
Medium |
28808424
|
| 2017 |
Drosophila MOF (KAT8 ortholog) is ubiquitylated by MSL2 E3 ligase at multiple lysine residues in vitro; in vivo ubiquitylation sites were mapped by mass spectrometry; mutant MOF derivatives were used to assess functional importance of ubiquitylation for dosage compensation complex formation and X chromosome targeting. |
Mass spectrometry ubiquitylation mapping, in vitro ubiquitylation assay, site-directed mutagenesis, genetic complementation |
PloS one |
Medium |
28510597
|
| 2018 |
MOF depletion leads to reduced replication fork speed, increased stalled forks, elevated R-loop formation, and impaired DNA damage repair (reduced Mre11, RPA70, Rad51, PCNA foci, reduced CHK1 phosphorylation); MOF physically interacts with PCNA and affects its ubiquitination and recruitment to DNA damage sites. |
DNA fiber assay, Co-IP, immunofluorescence foci analysis, CHK1 phosphorylation assay, siRNA knockdown |
Molecular and cellular biology |
High |
29298824
|
| 2020 |
MOF acts as a coactivator of TNF-α/NF-κB-mediated inflammatory gene transcription in macrophages; myeloid-specific Mof-KO mice have reduced inflammatory cytokine expression; wound macrophages from diabetic obese mice have elevated MOF and H4K16ac on inflammatory gene promoters; TNF-α stimulates MOF expression and etanercept (TNF-α inhibitor) reduces MOF levels. |
Myeloid-specific conditional KO (Lyz2Cre Moffl/fl), ChIP for H4K16ac at inflammatory promoters, wound healing model, pharmacological inhibition |
JCI insight |
High |
32069267
|
| 2020 |
MOF influences erythroid fate by dynamic chromatin recruitment; a regulatory network of MOF, RUNX1, and GFI1B controls erythroid commitment; GFI1B activates Mof expression and is necessary and sufficient for cell-type-specific Mof induction; Mof haploinsufficiency causes accumulation of a transient HSC population rescued by Gata1 expression or HDAC inhibition. |
Single-cell RNA-seq, ChIP-seq, conditional Mof deletion, genetic rescue (Gata1 overexpression), HDAC inhibitor treatment |
Science advances |
High |
32671208
|
| 2020 |
MOF acetylates WSTF at K426; this acetylation is reversed by SIRT1; MSL1v1 interaction with WSTF facilitates its interaction with MOF for K426 acetylation; WSTF K426 acetylation promotes WSTF Ser158 phosphorylation and enhances WSTF kinase and transcriptional regulatory activities. |
Co-IP, in vitro acetylation assay, site-directed mutagenesis, kinase activity assay |
Oncogene |
Medium |
32518374
|
| 2021 |
TGFβ reduces MYST1 (KAT8) expression via SMAD3-dependent transcriptional downregulation, which decreases H4K16ac at autophagy gene promoters (ATG7, BECLIN1), activates autophagy, promotes collagen release, and drives tissue fibrosis; forced MYST1 expression abrogates TGFβ-induced autophagy and fibrosis. |
siRNA knockdown, MYST1 overexpression, ChIP for H4K16ac, autophagy flux assays, dermal/pulmonary fibrosis mouse models |
Nature communications |
High |
34285225
|
| 2021 |
KAT8 has complex-dependent catalytic activity: as part of the NSL complex it catalyzes H4K5ac and H4K8ac, whereas as part of the MSL complex it catalyzes bulk H4K16ac; MSL complex/H4K16ac are dispensable for cell proliferation and chromatin accessibility, but NSL complex is essential for cell survival by stimulating transcription initiation at housekeeping gene promoters. |
Auxin-inducible degron system for selective complex depletion, mass spectrometry for histone modification profiling, ATAC-seq, RNA-seq, ChIP-seq |
Molecular cell |
High |
33657400
|
| 2023 |
In response to IFNγ, KAT8 undergoes liquid-liquid phase separation with IRF1 to form biomolecular condensates; multivalent specific and promiscuous interactions between IRF1 and KAT8 drive condensate formation; KAT8-IRF1 condensation promotes IRF1 K78 acetylation by KAT8, IRF1 binding to the CD274 (PD-L1) promoter, and PD-L1 transcription; disrupting condensates with a blocking peptide inhibits PD-L1 expression. |
Phase separation assays (in vitro droplet formation), Co-IP, ChIP, in vitro acetylation, peptide blocking experiments, cell and in vivo tumor models |
Nature cancer |
High |
36894639
|
| 2023 |
MOF (as part of the MOF-KANSL complex) acetylates COX17 (a mitochondrial complex IV assembly factor); loss of MOF-KANSL complex causes mitochondrial fragmentation, reduced cristae density, and impaired complex IV integrity; expression of acetylation-mimetic COX17 rescues these defects even in absence of MOF; patient fibroblasts with MOF syndrome show respiratory defects rescued by alternative oxidase, acetylation-mimetic COX17, or mitochondrially targeted MOF. |
Co-IP, in vitro acetylation assay, mitochondrial imaging (electron microscopy), complex IV activity assay, genetic rescue with COX17 acetylation mutants |
Nature metabolism |
High |
37813994
|
| 2023 |
KAT8 acetylation at K168/175 (catalyzed by GCN5, reversed by SIRT6) reduces KAT8 binding activity and inhibits recruitment of RNA Pol II to promoters of lipolysis genes ATGL and HSL, thereby downregulating lipolysis and affecting invasion/migration of colorectal cancer cells. |
Co-IP, site-directed mutagenesis of KAT8 K168/175, ChIP for RNA Pol II, lipolysis assays, migration/invasion assays |
Cell death & disease |
Medium |
36849520
|
| 2023 |
KAT8 acetylates YEATS4 protein, and this acetylation impairs YEATS4 interaction with the E3 ubiquitin ligase HUWE1, preventing YEATS4 ubiquitination and proteasomal degradation; KAT8 inhibition with MG149 reduces YEATS4 acetylation and sensitizes bladder cancer cells to cisplatin. |
Co-IP, ubiquitination assay, acetylation assay, KAT8 inhibitor (MG149) treatment, CRISPR screen |
Advanced science |
Medium |
38526153
|
| 2023 |
KAT8 catalyzes lysine butyrylation (Kbu) of HSP90 at K754 (as writer), while HDAC11 acts as eraser; SDCBP increases Kbu level by competing with HDAC11; HSP90 K754 Kbu upregulates HSP90 expression and contributes to chemoresistance in ESCC. |
Butyrylome mass spectrometry profiling, Co-IP, gain/loss-of-function, competitive binding assays |
Cell discovery |
Medium |
37460462
|
| 2023 |
First-in-class selective KAT8 inhibitors (compounds 19 and 34) were identified; cellular target engagement confirmed by CETSA; both inhibitors reduce H4K16ac and display antiproliferative activity in NSCLC and AML cell lines without affecting non-transformed cells. |
Biochemical KAT8 inhibition assay, selectivity panel against other KATs/KDACs, western blot, immunofluorescence, CETSA |
Journal of medicinal chemistry |
Medium |
37155735
|
| 2024 |
KAT8 functions as a pan-lysine lactyltransferase (Kla writer): it installs lactyl marks on multiple protein substrates, including eEF1A2 at K408; eEF1A2 K408 lactylation boosts translation elongation and enhances protein synthesis to promote colorectal cancer tumorigenesis; KAT8 deletion inhibits tumor growth, especially in a high-lactate microenvironment. |
Global lactylome profiling (MS), Co-IP for KAT8-eEF1A2 interaction, in vitro lactyltransferase assay, KAT8 KO mouse xenograft model, translation elongation assays |
Proceedings of the National Academy of Sciences of the United States of America |
High |
38359291
|
| 2024 |
USP10 deubiquitinase binds to and deubiquitinates MOF at K410, protecting it from proteasomal degradation; MOF stabilization by USP10 promotes H4K16ac enrichment at the ANXA2 promoter in a JUN-dependent manner, activating ANXA2 transcription and downstream Wnt/β-catenin signaling in esophageal squamous cell cancer. |
Co-IP, ubiquitination assay, CHX chase assay, ChIP for H4K16ac, catalytic mutant (MOF-E350Q) rescue experiment |
Oncogene |
High |
38317006
|
| 2024 |
KAT8 mediates lactylation of LTBP1 at K752 in fibroblasts, and this modification increases collagen I and III protein levels; fibroblasts uptake extracellular lactate via MCT1 to support this KAT8-dependent lactylation. |
Co-IP, in vitro lactylation assay, MCT1 inhibition, western blot for collagen levels |
International journal of biological macromolecules |
Medium |
39102921
|
| 2024 |
Mitochondria-localized MOF acetylates ATP5B at K201; co-regulation of ATP5B K201 acetylation by MOF (writer) and SIRT3 (eraser) impairs mitochondrial respiration and ATP synthesis; overexpression of mitochondria-targeted MOF (mtMOF) in mice causes mitochondrial dysfunction, cardiac remodeling, and heart failure; SIRT3 KO aggravates mtMOF-induced damage. |
Quantitative acetylome MS, Co-IP, in vitro acetylation assay, mtMOF transgenic/KO mouse models, mitochondrial respiration assays |
Cell reports |
High |
39392752
|
| 2024 |
KAT8-mediated H4K16ac at the CDX2 promoter is essential for trophoblast stem cell self-renewal and proliferation; trophoblast-specific Kat8 KO causes extraembryonic ectoderm abnormalities and embryonic lethality; CDX2 overexpression partially rescues Kat8 KO defects; SIRT1 inhibitor EX527 restores CDX2 levels and placental development. |
Conditional Kat8 KO, RNA-seq, CUT&Tag for H4K16ac at CDX2 locus, CDX2 rescue, EX527 pharmacological rescue, trophoblast organoids |
Nature communications |
High |
38961108
|
| 2025 |
Lactate-primed KAT8 directly lactylates PCK2 at Lys100, augmenting PCK2 kinase activity; lactylated PCK2 competitively inhibits Parkin-mediated polyubiquitination of OXSM, leading to remodeling of mitochondrial fatty acid synthesis and potentiation of ferroptosis during hepatic ischemia/reperfusion injury. |
In vitro lactylation assay, Co-IP, gene-edited mice (PCK2 KO), ubiquitination assay, mitochondrial metabolic flux analysis |
Advanced science |
Medium |
39853940
|