| 1993 |
MFH-1 (FOXC2) encodes a forkhead domain protein that binds the HNF3 binding site, acting as a DNA-binding transcription factor expressed in developing mesenchyme. |
Recombinant protein DNA-binding assay (HNF3 binding site); expression analysis in embryos |
FEBS letters |
Medium |
8325367
|
| 1997 |
FOXC2 (MFH-1) protein acts as a positive transactivator; both mouse and human MFH-1 proteins have transcriptional activation activity. The gene has no introns and mouse/human proteins share 94% amino acid identity. |
Transcriptional activity assay (transfection-based reporter); gene structure determination |
Genomics |
Medium |
9169153
|
| 1997 |
Loss of FOXC2 (MFH-1) in mice causes interrupted aortic arch and craniofacial/vertebral skeletal defects, establishing an essential role in neural-crest-derived aortic arch remodeling and skeletogenesis. |
Targeted gene knockout in mice; histological and anatomical phenotype analysis |
Development (Cambridge, England) |
High |
9409679
|
| 2000 |
Haploinsufficiency of FOXC2 (via nonsense and frameshift mutations) causes lymphedema-distichiasis syndrome in humans, establishing FOXC2 as a dosage-sensitive transcription factor required for lymphatic development. |
Human mutation analysis (sequencing of FOXC2 coding region in LD families); functional inference from loss-of-function mutations |
American journal of human genetics |
High |
11078474
|
| 2000 |
FOXC2 (MFH-1) is required for BMP-2-induced osteoblastic differentiation of C2C12 myoblasts; antisense suppression of MFH-1 reduced BMP-2-induced alkaline phosphatase activity and osteocalcin production. |
Antisense stable transfection in C2C12 cells; alkaline phosphatase assay; osteocalcin measurement |
FEBS letters |
Medium |
10722840
|
| 2001 |
Overexpression of FOXC2 in adipocytes increases sensitivity of the beta-adrenergic–cAMP–PKA signaling pathway by altering adipocyte PKA holoenzyme composition, leading to a lean and insulin-sensitive phenotype in transgenic mice. |
Transgenic mouse overexpression; biochemical PKA holoenzyme composition analysis; metabolic phenotyping |
Cell |
High |
11551504
|
| 2001 |
Foxc1 and Foxc2 have dose-dependent cooperative roles in somitogenesis; compound homozygous Foxc1;Foxc2 mutants show complete absence of segmented paraxial mesoderm and require both genes for transcription of paraxis, Mesp1, Mesp2, Hes5, and Notch1 in anterior presomitic mesoderm. |
Compound genetic knockout in mice; in situ hybridization for downstream target genes; genetic epistasis analysis |
Genes & development |
High |
11562355
|
| 2001 |
FOXC2 and FOXD1 specifically activate the 1b promoter of the PKA RIα subunit gene in adipocytes; FOXC2 acts by releasing a transcriptional repressor from an upstream region, and protein kinase B alpha/Akt1 cooperates to enhance this activation. |
Promoter deletion mapping; bandshift (EMSA) assays; co-transfection reporter assays in 3T3-L1 adipocytes and Sertoli cells |
The Journal of biological chemistry |
Medium |
11943768
|
| 2001 |
BMP-2 and BMP-4/7 treatment of mesodermal progenitor C1 cells and limb mesenchyme upregulates Mfh1/Foxc2 expression; BMP-7 implantation in limb bud organ culture induces Mfh1 expression, placing FOXC2 downstream of BMP signaling in skeletal precursors. |
In vitro BMP treatment of cell lines; in situ hybridization; limb bud organ culture with BMP protein implantation |
Journal of bone and mineral research |
Medium |
11585339
|
| 2004 |
FoxC2 blocks adipogenesis in 3T3-L1 preadipocytes by inhibiting PPARγ-mediated expression of a subset of adipogenic genes (C/EBPα, adiponectin, perilipin) without affecting PPARγ DNA binding or transactivation from a PPARγ response element. |
Overexpression in 3T3-L1 cells and Swiss fibroblasts; immunoblotting; PPARγ transactivation reporter assay; PPARγ DNA-binding assay |
The Journal of biological chemistry |
Medium |
15277530
|
| 2004 |
Foxc1 and Foxc2 negatively regulate intermediate mesoderm formation and drive paraxial mesoderm cell fate specification; their misexpression in prospective intermediate mesoderm causes cells to acquire paraxial (somite) fate markers Pax7 and Paraxis. |
Mouse double knockout phenotyping; chick gain-of-function electroporation; in situ hybridization for lineage markers |
Developmental biology |
High |
15196959
|
| 2007 |
FOXC2 is induced downstream of EMT-triggering signals (TGF-β1, Snail, Twist, Goosecoid) and is required for metastasis of murine mammary carcinoma cells to the lung; overexpression of FOXC2 enhances metastatic ability. |
Gene expression profiling; shRNA knockdown; FOXC2 overexpression in mammary carcinoma cells; in vivo lung metastasis assay |
Proceedings of the National Academy of Sciences of the United States of America |
High |
17537911
|
| 2008 |
Foxc2 directly activates the Ang-2 (angiopoietin-2) promoter in adipocytes; transgenic overexpression of FOXC2 in adipose tissue causes altered vascular patterning that is almost completely reversed by an Ang-2-specific antagonist. |
Transgenic mouse model; promoter luciferase reporter assay (direct activation of Ang-2 promoter); pharmacological antagonist rescue |
Proceedings of the National Academy of Sciences of the United States of America |
High |
18621714
|
| 2008 |
Foxc2 directly regulates integrin beta3 (Itgb3) expression through multiple forkhead-binding elements within the Itgb3 promoter; Foxc2 overexpression enhances endothelial cell migration and adhesion, an effect blocked by Itgb3 neutralizing antibody, and promotes microvessel outgrowth in ex vivo aortic ring assay. |
Gene expression profiling; promoter reporter assay with forkhead-binding element mapping; Itgb3 neutralizing antibody; Foxc2 heterozygous mutant mouse endothelial cells; ex vivo aortic ring assay |
The Journal of biological chemistry |
High |
18579532
|
| 2010 |
FOXC2 transcriptionally represses p120-catenin (CTNND1) in non-small cell lung cancer cells by directly binding the p120ctn promoter between positions +267 and +282, as shown by EMSA; FOXC2 knockdown increases p120ctn expression and E-cadherin levels. |
Luciferase reporter assay with serial promoter deletions; EMSA (electrophoretic mobility shift assay); RNAi knockdown; immunoblotting |
Molecular cancer research : MCR |
High |
20460685
|
| 2010 |
In Xenopus, foxc2 functions in a transcriptional network for podocyte specification; combined knockdown of wt1 and foxc2 abolishes all podocyte marker gene expression, and co-expression of wt1 and foxc2 increases podocyte gene expression, with Notch signaling required for ectopic induction. |
Antisense morpholino knockdown in Xenopus; gain-of-function overexpression; in situ hybridization; genetic epistasis analysis |
Development (Cambridge, England) |
High |
20431116
|
| 2012 |
PROX1 and FOXC2 cooperate with shear stress/mechanotransduction to control expression of connexin37 and activation of calcineurin/NFAT signaling during lymphatic valve formation; connexin37 and calcineurin are required for valve territory assembly. |
In vitro shear stress assay on lymphatic endothelial cells; knockdown of PROX1 and FOXC2; analysis of connexin37 expression and calcineurin/NFAT signaling; mouse developmental genetics |
Developmental cell |
High |
22306086
|
| 2013 |
FOXC2 induces Wnt4 expression by directly interacting with the Wnt4 promoter region, leading to elevated BMP4 and RhoA-GTP, which inhibits myoblast fusion; sustained FOXC2 expression redirects myoblast commitment toward osteogenesis. |
Chromatin immunoprecipitation; promoter reporter assay; gain- and loss-of-function in C2C12 myoblasts; osteogenic differentiation assay |
Cell death and differentiation |
Medium |
23645207
|
| 2013 |
FOXC2 expression confers cancer stem cell (CSC) properties and spontaneous metastasis; FOXC2 transcriptionally regulates PDGFR-β, and PDGFR inhibition with sunitinib reduces CSC and metastatic properties of FOXC2-expressing tumor cells. |
Lentiviral shRNA knockdown; FOXC2 overexpression; mammosphere-forming assay; tumor initiation assay; gene expression profiling; pharmacological inhibition |
Cancer research |
Medium |
23378344
|
| 2013 |
BSTA promotes mTORC2-mediated phosphorylation of Akt1 at Ser473, which suppresses FoxC2 expression to promote adipocyte differentiation; BSTA-Akt1 interaction is required for this mTORC2-BSTA-Akt1-FoxC2 signaling mechanism. |
Gene-trap murine embryonic stem cells; co-immunoprecipitation (BSTA-Akt1 complex); phosphorylation assays; FoxC2 expression analysis; adipocyte differentiation assay |
Science signaling |
High |
23300339
|
| 2013 |
SENP3-mediated de-SUMOylation of FOXC2 enhances its transcriptional activity; FOXC2 is a substrate of the SUMO2/3-specific protease SENP3, and a SUMO-less FOXC2 transcriptionally activates N-cadherin expression to promote EMT in gastric cancer. |
Co-immunoprecipitation; SUMO substrate biochemical assay; SENP3 overexpression/knockdown; N-cadherin promoter reporter; cell migration assay; nude mouse xenograft |
Oncotarget |
High |
25216525
|
| 2013 |
FOXC2 phosphorylation on eight evolutionarily conserved proline-directed serine/threonine residues regulates its transcriptional activity in lymphatic endothelial cells; phosphorylation controls selective FOXC2 recruitment to chromatin, and a phosphorylation-deficient mutant fails to induce vascular remodeling in vivo. |
Genome-wide ChIP-seq (location analysis) in lymphatic endothelial cells; phospho-mutant FOXC2 constructs; in vivo vascular remodeling assay |
Molecular and cellular biology |
High |
23878394
|
| 2014 |
FOXC2 directly binds the MET promoter to increase its transcriptional activity, activating the HGF-MET signaling pathway to promote colorectal cancer invasion and metastasis. |
Luciferase reporter assay; chromatin immunoprecipitation (ChIP); FOXC2 overexpression; MET inhibition rescue; orthotopic mouse metastasis model |
Oncogene |
High |
25381815
|
| 2014 |
Casein kinase 2 (CK2) associates with FOXC2 and phosphorylates it at serine 124, retaining FOXC2 in the cytoplasm of normal epithelial cells; CK2 inhibition or downregulation of CK2β causes nuclear accumulation of FOXC2 and mesenchymal gene expression. |
In vitro kinase assay (CK2 phosphorylation of FOXC2 at S124); co-immunoprecipitation (CK2-FOXC2 association); site-directed mutagenesis (S124L and S124D); CK2β knockdown; subcellular fractionation/immunofluorescence; cell migration assay |
Oncogene |
High |
25486430
|
| 2014 |
FOXC2 directly binds the p120-catenin promoter and transcriptionally represses it, with PKCα acting upstream of FOXC2 in this signaling axis; loss of p120-catenin destabilizes E-cadherin at adherens junctions and promotes cell migration. |
Chromatin immunoprecipitation (ChIP); dual luciferase promoter assay; PKCα and FOXC2 knockdown; immunofluorescence of E-cadherin/p120-catenin localization; transwell migration/invasion assays |
BMC cancer |
High |
29216867
|
| 2015 |
FOXC2 inactivation in lymphatic endothelial cells causes abnormal shear stress sensing, promotes junction disassembly and cell cycle entry; loss of FOXC2-dependent quiescence is mediated by the Hippo pathway transcriptional coactivator TAZ, leading to cell death and vascular lumen collapse. |
Inducible endothelial-specific Foxc2 deletion in mice; in vitro shear stress assay; TAZ pathway analysis; cell junction and cytoskeleton imaging; cell cycle analysis |
The Journal of clinical investigation |
High |
26389677
|
| 2015 |
FOXC2 and FOXC1 regulate ERK signaling in lymphatic vessel growth; LEC-specific deletion of Foxc1, Foxc2, or both results in increased LEC proliferation and aberrant expression of Ras regulators leading to ERK hyperactivation; pharmacological ERK inhibition rescues the enlarged lymphatic vessel phenotype. |
LEC-specific conditional knockout in mice; embryonic phenotyping; ERK activation assays; pharmacological ERK inhibition in utero |
The Journal of clinical investigation |
High |
27214551
|
| 2015 |
FOXF2 directly targets the FOXC2 promoter to negatively regulate FOXC2 transcription in basal-like breast cancer cells; FOXC2 mediates FOXF2-regulated EMT phenotype and multidrug resistance. |
Promoter reporter assay; FOXF2 overexpression/knockdown with FOXC2 expression readout; EMT and drug resistance phenotyping |
Cancer letters |
Medium |
26210254
|
| 2015 |
p38MAPK signaling promotes FOXC2 expression in prostate cancer; inhibition of p38 using a p38 inhibitor reduces FOXC2 levels, restores epithelial attributes and androgen deprivation therapy sensitivity, and reduces circulating tumor cells in vivo. |
p38 inhibitor treatment; FOXC2 expression analysis; in vivo tumor model with drug treatment; flow cytometry for circulating tumor cells |
Oncogene |
Medium |
26804168
|
| 2015 |
Foxc2 and Connexin37 function in a common developmental pathway for lymphatic valve formation; Foxc2(+/-); Cx37(-/-) compound mutant mice display severe lymphatic defects not seen in single mutants, including absence of lymphatic valves. |
Compound genetic knockout in mice (Foxc2+/-;Cx37-/-); lymphatic vascular phenotyping; quantitative morphometry |
Developmental biology |
High |
26079578
|
| 2015 |
Notch signaling acts upstream of Foxc2 in hemogenic endothelial cells to promote definitive hematopoiesis; Foxc2 is a highly upregulated Notch target in hemogenic endothelium, and loss of Foxc2 orthologs in zebrafish and mice impairs definitive hematopoiesis. |
Mouse embryonic stem cell differentiation with Notch induction; zebrafish morpholino knockdown; mouse embryo analysis; transcriptional profiling identifying Foxc2 as Notch target |
Blood |
High |
25587036
|
| 2016 |
FOXC2 disease-causing mutations outside the forkhead domain cause either loss or gain of transactivation activity at FOXC1/FOXC2 response elements; a frameshift mutant protein is sequestered in nuclear aggregates while all mutants retain nuclear localization. |
Subcellular localization (immunofluorescence); transactivation reporter assay on FOXC1/FOXC2 response elements; analysis of six patient-derived mutations |
Oncotarget |
Medium |
27276711
|
| 2016 |
FOXC1 and FOXC2 differentially regulate cytoskeletal activity in lymphatic valves: FOXC1 knockdown increases focal adhesions and actin stress fibers, while FOXC2 knockdown increases focal adherens and disrupts cell junctions via increased ROCK activation; ROCK inhibition rescues these defects. |
siRNA knockdown of FOXC1 and FOXC2 in human lymphatic endothelial cells; inducible endothelial-specific deletion in mice; ROCK inhibitor treatment; cytoskeletal imaging; valve phenotyping |
eLife |
High |
32510325
|
| 2016 |
TLR4 signaling induces ERK phosphorylation, which leads to FOXC2-ERK protein interaction, ERK-dependent phosphorylation of FOXC2 on serine/threonine residues, and subsequent FOXC2 binding to the DLL4 promoter to activate DLL4 transcription and inflammatory angiogenesis. |
Co-immunoprecipitation (FOXC2-ERK); ChIP (FOXC2 binding to DLL4 promoter); ERK dominant-negative transfection; FOXC2-siRNA; pharmacological ERK inhibition; in vivo LPS mouse model |
The Journal of physiology |
High |
29380370
|
| 2017 |
FOXC2 interacts with YAP and TEAD to activate YAP signaling, and this FOXC2-YAP pathway positively regulates expression of Hexokinase 2 (HK2) to promote glycolysis in nasopharyngeal carcinoma cells. |
Co-immunoprecipitation (FOXC2 with YAP and TEAD); HK2 expression analysis; FOXC2/YAP knockdown; metabolic (glycolysis) assay; in vivo xenograft |
Experimental cell research |
Medium |
28433696
|
| 2017 |
Foxc2 inhibits LPS-induced inflammation in white adipose tissue via the leptin-JAK2/STAT3 pathway; STAT3 physically interacts with PRDM16 to form a complex that promotes WAT browning; Foxc2 overexpression ameliorates inflammation and promotes adipose browning in obese mice. |
Co-immunoprecipitation (STAT3-PRDM16 complex); ChIP (Foxc2 binding to CREB/leptin promoter region); Foxc2 overexpression in vivo; LPS-induced inflammatory model |
International journal of obesity |
Medium |
28925407
|
| 2019 |
Crystal structures of the FOXC2 DNA-binding domain (DBD) in complex with DNA revealed that helix H3 makes all base-specific contacts, while the N-terminus, wing 1, and C-terminus make additional phosphate contacts; structural and biochemical analyses revised the previously proposed DNA recognition mechanism. |
X-ray crystallography (two crystal structures with different DNA sites); biochemical DNA-binding assays; bioinformatics analysis of disease mutations |
Nucleic acids research |
High |
30722065
|
| 2019 |
Foxc2 overexpression in BMSCs promotes osteogenesis and represses adipogenesis via activation of canonical Wnt-β-catenin signaling; XAV939 (Wnt-β-catenin pathway inhibitor) suppresses Foxc2-mediated differentiation. |
Lentiviral Foxc2 overexpression in rabbit BMSCs; osteogenic/adipogenic differentiation assays; β-catenin/TCF-LEF reporter assay; pharmacological inhibitor (XAV939) |
Molecular and cellular biochemistry |
Medium |
24122419
|
| 2019 |
H19 lncRNA binds to Foxc2 protein (RNA-protein interaction); H19/Foxc2 synergistically regulate Wnt4 promoter expression; Foxc2 binds to the Wnt4 promoter and promotes its transcription to drive BMSC osteogenic differentiation via Wnt-β-catenin pathway. |
RNA immunoprecipitation; RNA pull-down; ChIP (Foxc2 binding to Wnt4 promoter); overexpression/knockdown; osteogenic differentiation assays |
Journal of cellular physiology |
Medium |
30633332
|
| 2020 |
FOXC2 disease mutations cause loss or gain of transactivation function and some mutant proteins are sequestered into nuclear aggregates causing cell death, providing molecular basis for lymphedema distichiasis pathogenesis. |
Subcellular localization (immunofluorescence); transactivation reporter assay; cell viability assay; analysis of nine patient-derived mutations |
International journal of molecular sciences |
Medium |
32698337
|
| 2021 |
Foxc2 inactivation in adult lymphatic endothelium compromises gut epithelial barrier, promotes dysbiosis and bacterial translocation, increases angiopoietin-2, and skews lymphatic endothelial subset specialization toward pro-fibrotic identities; commensal microbiota depletion rescues systemic inflammation and improves survival. |
Inducible adult-specific Foxc2 deletion in mice; single-cell atlas of lymphatic endothelial subtypes; microbiome analysis; microbiota depletion rescue experiment |
Science advances |
High |
34272244
|
| 2022 |
CircKIF18A (exosomal circRNA) binds to FOXC2 protein in brain endothelial cells, stabilizes FOXC2 and promotes its nuclear translocation; nuclear FOXC2 directly binds promoters of ITGB3, CXCR4, and DLL4 to upregulate their expression and activate PI3K/AKT signaling to promote glioblastoma angiogenesis. |
Co-immunoprecipitation (circKIF18A-FOXC2 RNA-protein interaction); ChIP (FOXC2 binding to ITGB3, CXCR4, DLL4 promoters); promoter reporter assays; gain/loss-of-function; in vivo tumorigenicity |
Oncogene |
Medium |
35637250
|
| 2023 |
FOXC1 and FOXC2 in blood and lymphatic endothelial cells directly bind regulatory elements of CXCL12 and RSPO3 loci, respectively; loss of endothelial Foxc2 impairs RSPO3 expression in LECs, reducing Wnt signaling in intestinal stem cells and worsening ischemia-reperfusion injury; RSPO3 treatment rescues the damage. |
EC- and LEC-specific conditional Foxc2 knockout mice; ChIP (FOXC2 binding to CXCL12 and RSPO3 regulatory elements); rescue with recombinant CXCL12 and RSPO3; intestinal stem cell Wnt signaling assay |
EMBO reports |
High |
37154714
|
| 2023 |
FOXC2 promotes vasculogenic mimicry (VM) in solid tumors by driving ectopic expression of endothelial genes in tumor cells; this process is stimulated by hypoxia and VM-proficient tumors are resistant to anti-angiogenic therapy; suppression of Foxc2 augments anti-angiogenic response. |
FOXC2 overexpression/knockdown in diverse tumor cell lines; VM channel formation assay; hypoxia treatment; anti-angiogenic therapy combination in vivo |
Cell reports |
Medium |
37499655
|
| 2016 |
FOXC2 regulates G2/M cell cycle transition in cancer stem cell-enriched breast cancer cells; FOXC2 protein levels accumulate in G2 and decrease during mitosis; PLK1 activity is required for FOXC2 protein stability, and PLK1 inhibition reduces FOXC2 protein levels and sensitizes FOXC2-expressing CSC-enriched cells to PLK1 inhibitors. |
Cell cycle synchronization; FOXC2 protein level quantification at cell cycle stages; FOXC2 knockdown with cell cycle analysis; PLK1 inhibitor treatment; flow cytometry |
Scientific reports |
Medium |
27064522
|