| 1998 |
KLF11 (TIEG2) is a nuclear protein that specifically binds to Sp1-like (GC-rich) DNA sequences in vitro and represses promoters containing Sp1-like binding sites; overexpression inhibits cell proliferation in CHO cells. |
Nuclear fractionation, in vitro DNA-binding assay, luciferase reporter assay, [3H]thymidine/MTS proliferation assays |
The Journal of biological chemistry |
High |
9748269
|
| 1999 |
KLF11 (FKLF) acts as a transcriptional activator of the gamma- and epsilon-globin gene promoters via the CACCC box in erythroid cells; transfection of KLF11 cDNA into K562 cells enhanced endogenous epsilon- and gamma-globin gene expression. |
Luciferase reporter assay with CACCC box deletion constructs, transfection into K562 erythroid cells |
Molecular and cellular biology |
Medium |
10207080
|
| 2002 |
The Mad1-like Sin3-interacting domain (SID) of KLF11 (TIEG2) binds mSin3A to mediate transcriptional repression; this interaction is disrupted by EGF-Ras-MEK1-ERK2 signaling via phosphorylation of four serine/threonine sites adjacent to the SID, thereby inhibiting KLF11's repression activity. |
Co-immunoprecipitation, site-directed mutagenesis, in vitro kinase assay, reporter assay |
The EMBO journal |
High |
12006497
|
| 2003 |
KLF11 represses transcription of SOD2 and Catalase1 promoters via its Mad1-like SID-mSin3A interaction; this repression renders cells more sensitive to oxidative stress, an effect rescuable by adenoviral SOD2/Catalase1 re-expression. KLF11 also inhibits neoplastic transformation and cell growth in vitro and in vivo. |
Chromatin immunoprecipitation (ChIP), adenoviral rescue experiment, transgenic mouse model, cell growth/transformation assays |
The EMBO journal |
High |
12970187
|
| 2004 |
KLF11 represses Smad7 transcription by recruiting mSin3A via GC-rich sites on the Smad7 promoter, thereby potentiating TGF-β signaling. In pancreatic cancer cells with oncogenic Ras, ERK phosphorylates KLF11 and disrupts KLF11-mSin3A interaction; an ERK-insensitive KLF11 mutant restores mSin3A binding and Smad7 repression. |
Reporter assay, real-time PCR, co-immunoprecipitation, in vitro ERK phosphorylation, site-directed mutagenesis |
Gastroenterology |
High |
15300592
|
| 2004 |
KLF11 binds to an Sp1 site flanking the SRE in the caveolin-1 promoter and acts as a dominant repressor. Cholesterol depletion displaces KLF11 from this site (via down-regulation of KLF11 expression and competition by Sp1), enabling SREBP/Sp1-mediated activation of caveolin-1 transcription. |
RNA interference, chromatin immunoprecipitation, EMSA, luciferase reporter assay |
The Journal of biological chemistry |
High |
15531587
|
| 2004 |
KLF11 (TIEG2) acts as a transcriptional activator of MAO B gene expression via Sp1 sites, and as a repressor at the CACCC element; gel-shift and ChIP confirmed direct binding to both elements in the MAO B core promoter. |
Cotransfection reporter assays, gel-shift (EMSA), chromatin immunoprecipitation, RT-PCR, western blot, MAO B catalytic activity assay |
The Journal of biological chemistry |
High |
15024015
|
| 2005 |
KLF11 binds the insulin promoter at GC-rich sites and activates its transcriptional activity in pancreatic beta cells, as a glucose-inducible regulator. The Gln62Arg variant impairs mSin3A-binding activity of KLF11 and reduces insulin promoter activation. |
Random oligonucleotide binding assay, EMSA, luciferase reporter assay, chromatin immunoprecipitation |
Proceedings of the National Academy of Sciences of the United States of America |
High |
15774581
|
| 2006 |
KLF11 cooperates with Smad3 to repress c-myc transcription via the TGF-β inhibitory element (TIE) in the c-myc promoter; ERK hyperactivation in pancreatic cancer cells with oncogenic Ras disrupts KLF11-Smad3 complex formation and KLF11-Smad3 binding to the TIE, preventing c-myc repression and growth inhibition. |
Co-immunoprecipitation, GST pulldown, reporter assay, DNA binding assay, RNA interference, U0126 ERK inhibitor treatment |
Molecular cancer research : MCR |
High |
17114344
|
| 2007 |
KLF11 (TIEG2) induces caspase-3-dependent apoptosis in oligodendroglial OLI-neu cells and decreases Bcl-XL levels by repressing the Bcl-XL promoter; the N-terminal repression domains (including the SID) are required for pro-apoptotic activity. |
Overexpression in OLI-neu cells, caspase-3 activation assay, western blot (Bcl-XL), reporter assay with Bcl-XL promoter |
Journal of neural transmission |
Medium |
17308981
|
| 2007 |
The amino-terminus of KLF11 (Tieg3) is essential for transcriptional repression; the SID within this domain is required for repressive activity. The zinc finger DNA-binding domain (DBD) alone can activate transcription and contains two closely located putative bipartite nuclear localization signals (NLS) within the second and third zinc fingers that are necessary and sufficient for nuclear localization. |
GAL4-based luciferase assays, EGFP-fusion protein localization (live imaging), NLS deletion/mutation mapping |
Journal of cellular biochemistry |
Medium |
17252542
|
| 2008 |
KLF11 (Tieg3) enhances TGF-β signaling in oligodendroglial cells by transcriptionally repressing Smad7, disrupting the negative feedback loop; loss of the N-terminal repression domains (including SID) abolishes both the pro-apoptotic function and Smad7 repression. |
Overexpression/deletion mutants in OLI-neu cells, reporter assay on Smad7 promoter, apoptosis/caspase-3 assay |
Journal of cellular biochemistry |
Medium |
18189266
|
| 2009 |
KLF11 activates Pdx-1 transcription in pancreatic beta cells through two evolutionarily conserved GC-rich elements (GC1 and GC2) in the Pdx-1 Area II control region; KLF11 associates with Area II by ChIP and interacts with the coactivator p300 via its zinc finger domain in vivo to mediate this activation. |
Random oligonucleotide binding analysis, ChIP, luciferase reporter assay with GC1/GC2 mutations, co-immunoprecipitation (in vivo interaction with p300) |
The Journal of biological chemistry |
High |
19843526
|
| 2010 |
KLF11 directly binds the UCP1 promoter via GC-box elements and activates UCP1 transcription; KLF11 is required for UCP1 expression during brown adipocyte differentiation of muBM3.1 mesenchymal stem cells. |
Reporter assay with UCP1 promoter, ChIP/DNA binding assay, brown adipocyte differentiation model |
Biochemical and biophysical research communications |
Medium |
20709022
|
| 2010 |
KLF11 integrates progesterone receptor (PR) signaling to inhibit uterine leiomyoma cell proliferation. PR knockdown increases KLF11 expression; KLF11 knockdown abolishes the antiproliferative effect of RU486. KLF11 basal promoter and a distal PR-binding region (20.5 kb upstream) containing Sp1 sites (not classical PREs) recruit Sp1, RNA Pol II, PR, SRC-1 and SRC-2. |
ChIP-cloning to identify PR-binding site, luciferase reporter assay, siRNA knockdown of PR and KLF11, proliferation assay |
Cancer research |
High |
20124487
|
| 2012 |
Glucocorticoids (dexamethasone) induce KLF11 mRNA and protein in neurons; KLF11 then translocates from cytoplasm to nucleus and activates the MAO A promoter via Sp/KLF-binding sites, increasing MAO A mRNA and enzymatic activity. KLF11 knockout mice show reduced brain cortex MAO A expression; chronic social defeat stress activates the KLF11 pathway in rat brain with increased MAO A. |
siRNA knockdown, KLF11 overexpression, KLF11 knockout mice, nuclear/cytoplasmic fractionation, MAO A promoter reporter, MAO A catalytic activity assay, in vivo stress model |
The Journal of biological chemistry |
High |
22628545
|
| 2012 |
KLF11 overexpression in mouse livers activates the PPARα signaling pathway to improve fatty liver by promoting fatty acid oxidation; KLF11 knockdown decreases fatty acid oxidation and raises hepatic TG levels. PPARα knockdown abolishes KLF11's effects on fatty acid oxidation genes and hepatic TG. |
Adenoviral overexpression/shRNA in db/db and DIO mice, histology, biochemical TG assay, epistasis by co-injection with Ad-shPPARα |
Journal of hepatology |
High |
23183531
|
| 2013 |
KLF11 interacts with PPARγ and acts as a novel PPARγ co-regulator; KLF11 is also a direct transcriptional target of PPARγ. KLF11 deficiency abolishes pioglitazone-mediated cerebrovascular protection and PPARγ transcriptional suppression of pro-apoptotic miR-15a in endothelial cells. |
Genome-wide co-activation screen, co-immunoprecipitation, KLF11 knockout mouse, oxygen-glucose deprivation cell model, MCAO stroke model |
Brain : a journal of neurology |
High |
23408111
|
| 2013 |
KLF11 binds specific GC-rich promoter elements of collagen, MMP, and TGF-β family genes in endometrial stromal cells and represses their transcription; KLF11 deficiency in mice leads to large fibrotic endometriotic lesions resembling advanced human disease. |
ChIP of endometrial stromal cell promoters, Klf11 knockout mouse endometriosis model, comparison with Klf9 knockout |
PloS one |
High |
23555910
|
| 2013 |
KLF11 epigenetically represses glycodelin-A expression in endometrial cells by binding two regulatory elements in the glycodelin promoter and recruiting the SIN3/HDAC corepressor complex, resulting in transcriptional repression. |
ChIP, reporter assay, mRNA and protein expression analysis, SIN3/HDAC corepressor recruitment assay |
Reproductive sciences |
Medium |
24060634
|
| 2014 |
KLF11 is required for rosiglitazone-induced browning of human adipocytes; it is directly induced by PPARγ and cooperates with PPARγ in a feed-forward manner to activate the brite-selective gene program and increase mitochondrial oxidative capacity. KLF11 is associated with PPARγ superenhancers selective for brite adipocytes. |
siRNA knockdown of KLF11 in human adipocytes, ChIP-seq for PPARγ superenhancers, mitochondrial oxidative capacity measurement, gene expression profiling |
Genes & development |
High |
25504365
|
| 2014 |
KLF11 binds CYP3A4 promoter GC elements and recruits SIN3A/HDAC corepressor, causing selective histone deacetylation of the CYP3A4 promoter and repressing CYP3A4 mRNA, protein, and enzymatic activity in endometrial cells. A KLF11 mutation abrogating cofactor recruitment reverses this repression. |
ChIP (KLF11 at CYP3A4 promoter), SIN3A/HDAC corepressor co-localization, reporter assay, mRNA/protein/enzyme activity assays, HDAC inhibitor pharmacological reversal, SID-mutation rescue |
Endocrinology |
High |
25076120
|
| 2014 |
KLF11 suppresses hepatic gluconeogenesis by repressing PEPCK-C and PGC-1α gene expression in primary hepatocytes; adenoviral overexpression of KLF11 in diabetic mouse livers improves hyperglycemia, while KLF11 knockdown impairs glucose tolerance. |
Adenoviral overexpression/knockdown in primary mouse hepatocytes and in vivo mouse models, glucose output assay, gene expression analysis |
PloS one |
Medium |
24586865
|
| 2016 |
TGF-β1 causes non-canonical (non-SMAD-mediated) transient up-regulation then sustained repression of KLF11, while KLF11 epigenetically represses CYP3A4 via SIN3A/HDAC. KLF11-deficient mice treated with TGF-β receptor inhibitor show reduced endometriotic progression and Cyp3a expression. |
Klf11 knockout mouse endometriosis model, TGFβR1 inhibitor treatment, histone acetyltransferase inhibitor, Cyp3a expression analysis |
Endocrinology |
Medium |
27384304
|
| 2017 |
KLF11 binds to the DRD2 promoter and transcriptionally activates DRD2 in endometrial cells; in Klf11-/- mice with endometriosis, lesions show progressive fibrosis and decreased Drd2 expression consistent with loss of KLF11-mediated activation. |
ChIP, promoter reporter assay, Klf11-/- mouse endometriosis model, gene expression analysis |
Reproductive sciences |
Medium |
28372535
|
| 2019 |
KLF11 transcriptionally suppresses the tissue factor (F3) gene in vascular smooth muscle cells via direct promoter binding (ChIP), reducing arterial thrombosis. Smooth muscle cell-specific Klf11 KO mice show reduced occlusion time in ferric chloride thrombosis model, not rescued by bone marrow transplant. |
Reporter assay, ChIP, siRNA knockdown and adenoviral overexpression in human aortic smooth muscle cells, conditional SMC-specific KO mouse, ferric chloride thrombosis model |
Arteriosclerosis, thrombosis, and vascular biology |
High |
30602303
|
| 2021 |
In venous endothelial cells under prothrombotic conditions, KLF11 reduces TNF-α-induced tissue factor (TF) gene transcription by inhibiting EGR1 binding to the TF promoter, as demonstrated by reporter assay, ChIP, and co-immunoprecipitation. Klf11 KO mice are more susceptible to stasis-induced DVT. |
Reporter gene assay, ChIP, co-immunoprecipitation (KLF11-EGR1), gain- and loss-of-function in ECs, Klf11 KO mouse deep vein thrombosis model |
Thrombosis and haemostasis |
High |
34428834
|
| 2021 |
KLF11 and YAP/TEAD bind adjacent DNA sites and directly interact; KLF11 recruits SIN3A/HDAC to suppress YAP/TEAD transcriptional output, while YAP/TEAD promotes KLF11 transcription, forming a negative feedback loop that is broken by epigenetic silencing of KLF11 in sarcoma cancer stem cells. |
Genome-wide CRISPR-Cas9 screen, co-immunoprecipitation (KLF11-YAP/TEAD), ChIP, KLF11 overexpression/knockdown, in vitro and in vivo functional assays |
Science advances |
High |
33571129
|
| 2021 |
Endothelial KLF11 deficiency aggravates AAA formation, while EC-selective overexpression inhibits it. KLF11 inhibits EC inflammatory response, suppresses MMP9 expression and activity, and reduces NADPH oxidase 2-mediated ROS in ECs; KLF11-deficient ECs also induce smooth muscle cell dedifferentiation and apoptosis. |
EC-specific KLF11 transgenic and knockout mice, elastase- and PCSK9/AngII-induced AAA mouse models, gain- and loss-of-function in cultured ECs |
JCI insight |
High |
33507881
|
| 2023 |
KLF11 binds the GPX4 promoter region and represses its transcription in lung adenocarcinoma cells, promoting ferroptosis and increasing chemosensitivity; ChIP-seq and ChIP-qPCR confirmed GPX4 as a direct KLF11 target, and GPX4 restoration antagonized KLF11-induced ferroptosis. |
ChIP-seq, ChIP-qPCR, dual luciferase assay, RNA-seq, KLF11 overexpression/knockout in vitro and in vivo |
Communications biology |
High |
37248295
|
| 2024 |
KLF11 promotes ferroptosis in cardiomyocytes by suppressing FSP1 transcription; KLF11 is induced by sorafenib and its overexpression or FSP1 knockdown both increase ferroptotic cell death. Cardiac-specific AAV9-mediated KLF11 silencing or FSP1 overexpression improved cardiac dysfunction in sorafenib-treated mice. |
Transcriptome profiling, KLF11 overexpression/knockdown in cardiomyocytes, AAV9 cardiac-specific delivery in mice, FSP1 rescue experiment, GPX4 epistasis |
International journal of biological sciences |
Medium |
38725840
|
| 2024 |
SKP2 E3 ubiquitin ligase triggers K48-linked ubiquitination and proteasomal degradation of KLF11 in chondrocytes; loss of KLF11 transcriptionally activates JMJD3, which demethylates H3K27me3 to activate NOTCH1, promoting OA progression. KLF11 overexpression in vivo delays OA development. |
Co-immunoprecipitation (SKP2-KLF11), ubiquitination assay, ChIP (KLF11 on JMJD3 promoter), H3K27me3 analysis, in vivo rat OA model |
FASEB journal |
Medium |
38690715
|
| 2024 |
CGRP increases phosphorylated HP1γ (p-HP1γ) recruitment to the Klf11 enhancer (confirmed by ChIP), which epigenetically activates KLF11 expression; increased KLF11 in turn activates MAOB, depleting dopamine in the dorsal hippocampus and inducing anxiety-like behaviors. |
Chromatin immunoprecipitation (HP1γ at Klf11 enhancer), intracerebroventricular CGRP injection, MAOB pharmacological inhibition and knockdown in mice |
Communications biology |
Medium |
38503899
|
| 2024 |
KLF11 promotes breast cancer cell proliferation by reducing TP53 mRNA transcription and by interacting with MDM2 protein to inhibit MDM2 ubiquitination/degradation, thereby increasing MDM2 levels and accelerating ubiquitin-mediated p53 proteolysis and reducing CDKN1A/BAX/NOXA1. |
Co-immunoprecipitation (KLF11-MDM2), ubiquitination assay, RT-qPCR, western blot, in vivo xenograft |
Cellular signalling |
Medium |
38810862
|
| 2025 |
KLF11 forms a transcriptional complex with PPARα and YAP1 in macrophages; KLF11 suppresses PPARα-YAP1-mediated glycolysis and acts as a transcriptional activator of ABCA1/G1. KLF11 knockout abolishes wogonin's inhibitory effect on glycolysis and atherosclerosis. |
KLF11 KO mouse atherosclerosis model, co-immunoprecipitation (KLF11-PPARα-YAP1 complex), reporter assay, gain- and loss-of-function in macrophages |
Advanced science |
Medium |
40397286
|
| 2026 |
FXR directly binds to a FXRE sequence in the KLF11 promoter (confirmed by luciferase reporter and ChIP) and transcriptionally upregulates KLF11; KLF11 then suppresses the JAK2/STAT3 pathway to reduce renal inflammation and apoptosis in contrast-induced AKI. FXR or KLF11 genetic deletion abolishes FXR agonist (CDCA) renoprotection. |
Luciferase reporter assay, ChIP (FXR at KLF11 promoter), KLF11 knockdown and FXR KO models, JAK2/STAT3 pathway analysis |
International immunopharmacology |
Medium |
41855776
|
| 2026 |
KLF11 promotes MDM2 expression, which inhibits E2F1 ubiquitination and stabilizes E2F1, enhancing RAD51-mediated homologous recombination DNA repair and conferring radioresistance in esophageal cancer cells. Co-immunoprecipitation and immunofluorescence confirmed KLF11-MDM2 protein interaction. |
Co-immunoprecipitation, immunofluorescence, neutral comet assay, colony formation/apoptosis assays, in vivo xenograft, RT-qPCR/western blot |
Pathology, research and practice |
Medium |
41655531
|