| 1995 |
Membrane-anchored proHB-EGF forms a complex with the tetraspanin DRAP27/CD9 and integrin α3β1 at cell-cell contact sites, as demonstrated by co-immunoprecipitation, chemical cross-linking, and double-immunofluorescence colocalization in Vero, A431, and MG63 cells. |
Co-immunoprecipitation, chemical cross-linking, double-immunofluorescence microscopy |
The Journal of cell biology |
High |
7790364
|
| 1997 |
CD9, but not CD81 or CD82, upregulates the juxtacrine mitogenic activity of transmembrane proHB-EGF as a diphtheria toxin receptor; chimeric CD9/CD81 molecules mapped this activity to the second half of CD9 (large extracellular loop, fourth TM domain, and C-terminal cytoplasmic domain). |
Cotransfection of chimeric CD9/CD81 constructs in murine LM cells, diphtheria toxin receptor functional assay |
Cellular immunology |
Medium |
9514697
|
| 2000 |
Estrogen-induced ERK1/2 activation requires GPR30-dependent transactivation of the EGF receptor via release of HB-EGF; this was blocked by neutralizing HB-EGF antibodies or by down-modulating HB-EGF from the cell surface with the diphtheria toxin mutant CRM-197, and required Src-related tyrosine kinase activity and Shc-pY317 phosphorylation. |
Neutralizing antibody treatment, CRM-197 cell-surface depletion, EGFR kinase inhibition, GPR30 cDNA transfection, immunoblot for pERK |
Molecular endocrinology (Baltimore, Md.) |
High |
11043579
|
| 2002 |
ADAM12 is the metalloprotease responsible for shedding HB-EGF in cardiomyocytes in response to GPCR agonists; dominant-negative ADAM12 expression abrogated shedding-dependent EGFR transactivation and cardiac hypertrophy, and the metalloprotease inhibitor KB-R7785 bound directly to ADAM12. |
ADAM12 cloning, dominant-negative expression, metalloprotease inhibitor (KB-R7785) direct binding, in vivo cardiac hypertrophy model |
Nature medicine |
High |
11786904
|
| 2002 |
HB-EGF shedding via metalloprotease (MMP) and subsequent EGFR transactivation is required for Angiotensin II-induced fibronectin expression in mesangial cells; ALP-tagged HB-EGF chimera directly measured rapid HB-EGF release (~4-fold within 2 min of Ang II), blocked by PKC inhibitors or MMP inhibitor batimastat. |
HB-EGF-alkaline phosphatase chimera shedding assay, neutralizing anti-HB-EGF antibody, EGFR inhibitor AG1478, heparin blocking, batimastat MMP inhibition |
Kidney international |
High |
11737589
|
| 2002 |
Helicobacter pylori triggers EGFR tyrosine phosphorylation via HB-EGF gene induction and metalloprotease-dependent ectodomain shedding (the 'triple membrane passing signal'); this signaling also enhances IL-8 secretion. |
EGFR phosphorylation assay, HB-EGF gene expression analysis, metalloprotease inhibition, EGFR and MEK1 inhibitors |
Biochemical and biophysical research communications |
Medium |
12099696
|
| 2002 |
TGF-β mediates fibronectin expression in mesangial cells via PC-PLC/PKC-dependent metalloprotease-mediated HB-EGF release and subsequent EGFR transactivation; Smad2 phosphorylation by TGF-β was unaffected by EGFR inhibition, and HB-EGF did not activate Smad2, indicating a parallel pathway. |
HB-EGF-alkaline phosphatase chimera shedding assay, neutralizing anti-HB-EGF antibody, AG1478, PKC inhibitors, batimastat, FN mRNA quantification |
Kidney international |
High |
12164862
|
| 2003 |
HB-EGF null mice exhibit enlarged, malformed cardiac valves due to abnormal mesenchymal cell proliferation during remodeling, associated with increased activated Smad1/5/8; similar defects occur in EGFR- and TACE-null mice, establishing that TACE-derived soluble HB-EGF activates EGFR to suppress BMP signaling during cardiac valvulogenesis. |
Homologous recombination knockout mice, genetic epistasis (HB-EGF−/−, EGFR−/−, TACE−/−), immunohistochemistry for pSmad1/5/8, histological analysis |
The EMBO journal |
High |
12773386
|
| 2004 |
Wound-induced MMP-dependent ectodomain shedding of HB-EGF acts as an autocrine/paracrine EGFR ligand in corneal epithelial wound closure; wound-induced EGFR and ERK phosphorylation were blocked by CRM-197 (HB-EGF antagonist), HB-EGF function-blocking antibodies, and MMP inhibitor GM6001, with direct HB-EGF shedding demonstrated by HB-EGF-AP reporter. |
HB-EGF-alkaline phosphatase shedding assay, CRM-197, neutralizing HB-EGF antibodies, GM6001 MMP inhibitor, AG1478 EGFR inhibitor, immunoprecipitation + Western blot |
Investigative ophthalmology & visual science |
High |
14985295
|
| 2004 |
Soluble HB-EGF, but not pro-HB-EGF (membrane-only form), confers tumorigenic properties including enhanced growth, colony formation, cell migration, cyclin D1 activation, VEGF induction, and MMP-9/MMP-3 upregulation in bladder cancer cells in vitro and in vivo. |
Tetracycline-regulatable expression system, soft agar colony assay, xenograft nude mouse tumorigenesis, zymography for MMP activity |
Cancer research |
High |
15289334
|
| 2004 |
Membrane-anchored (noncleavable) HB-EGF promotes cell-matrix and cell-cell interactions and decreases migration and HGF-induced scattering in MDCK cells, while soluble HB-EGF has the opposite effects, demonstrating that the two forms of HB-EGF have distinctly different functional consequences. |
Stable transfection of proHB-EGF, noncleavable deletion mutant, or soluble HB-EGF in MDCK cells; migration, scattering, tubulogenesis, and adhesion assays |
Journal of cell science |
Medium |
14996914
|
| 2004 |
HB-EGF directs stromal cell polyploidy and decidualization via upregulation of cyclin D3; adenoviral antisense delivery of cyclin D3 abrogated HB-EGF-induced polyploidy both in vitro and in vivo. |
Adenoviral antisense cyclin D3 delivery, BrdU labeling, flow cytometry, in vivo uterine decidualization model |
Developmental biology |
Medium |
14697362
|
| 2005 |
HB-EGF promotes eyelid closure by activating EGFR-ERK signaling at the leading edge of migrating epithelium; HB-EGF null and secretion-deficient mutant mice show delayed eyelid closure with reduced actin bundle formation; genetic interaction with hypomorphic EGFR (waved-2) confirmed; TGFα acts synergistically and equally. |
HB-EGF null mouse KO, secretion-deficient knock-in (HB-uc/uc), EGFR kinase inhibitor in vivo, double null crosses (HB-EGF × TGFα), pEGFR and pERK immunostaining |
Development (Cambridge, England) |
High |
16141218
|
| 2005 |
HB-EGF enhances intestinal restitution via PI3K/Akt and MEK/ERK1/2 signaling downstream of ErbB-1; blocking ErbB-1, PI3K/Akt, or MEK/ERK significantly reduced intrinsic and HB-EGF-induced restitution in vitro, and endogenous HB-EGF was shown to be essential for wound-induced ErbB-1 and ERK1/2 activation. |
Intestinal I/R model in rats, scrape wound assay in vitro, pharmacological inhibitors of ErbB-1/PI3K/MEK, CRM-197 HB-EGF blockade, immunoblot for pAkt and pERK |
Gastroenterology |
Medium |
16083716
|
| 2006 |
5-HT2A receptor induces ERK phosphorylation and cellular proliferation via TACE (ADAM17) activation, HB-EGF shedding, and EGFR transactivation in mesangial cells; TACE was co-immunoprecipitated with HB-EGF, and TACE siRNA blocked HB-EGF shedding, ERK phosphorylation, and DNA content increase. |
TACE siRNA knockdown, neutralizing HB-EGF antibody, EGFR inhibitor AG1478, MMP inhibitors, co-immunoprecipitation of TACE with HB-EGF, DNA content measurement |
The Journal of biological chemistry |
High |
16737974
|
| 2006 |
MMP-7 catalyzes release of HB-EGF to mediate bile acid (deoxycholyltaurine)-induced EGFR transactivation and colon cancer cell proliferation; MMP-7 and proHB-EGF co-localize at the cell surface, and specific MMP-7 knockdown (neutralizing antibody or siRNA) attenuated DCT-induced signaling and proliferation. |
MMP-7 siRNA, neutralizing antibody to MMP-7, CRM-197 HB-EGF inhibitor, EGFR ligand-domain antibody, immunofluorescence colocalization, qRT-PCR for MMP-7 |
Biochemical pharmacology |
Medium |
17222808
|
| 2007 |
HB-EGF promotes angiogenesis (migration and tube formation) in HUVEC via activation of PI3K, MAPK, and eNOS pathways, in a VEGF-independent manner. |
Scratch wound migration assay, 2D tube formation assay, pharmacological inhibitors of PI3K, MAPK, eNOS |
Growth factors (Chur, Switzerland) |
Medium |
18092233
|
| 2008 |
ERK1/2 mediates ADAM-dependent HB-EGF shedding and EGFR transactivation in corneal epithelial cells in response to wounding and GPCR ligands; ADAM17 was co-immunoprecipitated with active ERK and phosphorylated at serine residues in an ERK-dependent manner. |
MEK inhibitors PD98059/U0126, HB-EGF-AP shedding assay, co-immunoprecipitation of ERK with ADAM17, immunoprecipitation + Western blot for serine phosphorylation of ADAM17 |
Investigative ophthalmology & visual science |
High |
18658095
|
| 2008 |
HB-EGF stimulates eNOS expression and NO production in endothelial cells via a PI3K-dependent pathway; eNOS siRNA and eNOS-specific inhibitors abolished HB-EGF-induced HUVEC migration and angiogenesis in vitro and in vivo (Matrigel plug assay). |
eNOS siRNA knockdown, L-NAME/L-NIO pharmacological eNOS inhibitors, PI3K inhibitor, Matrigel plug in vivo angiogenesis, Western blot for eNOS protein/phosphorylation |
Growth factors (Chur, Switzerland) |
Medium |
18925469
|
| 2009 |
The heparin-binding domain of transmembrane proHB-EGF mediates localization to cell-cell contact sites via trans interaction with extracellular heparan sulfate proteoglycans (HSPGs); disruption of this interaction increases proteolytic release of soluble ligand and switches cell behavior from juxtacrine growth inhibition to autocrine proliferation. |
Independent tracking of extracellular EGF domain and cytoplasmic C-terminus with new labeling method, heparin treatment, HSPG disruption experiments, wound-closure assay, proliferation assays |
Journal of cell science |
Medium |
20530570
|
| 2009 |
Soluble HB-EGF induces epithelial-to-mesenchymal transition (EMT) in renal collecting duct cells by upregulating the E-cadherin transcriptional repressor Snail-2; stable Snail-2 knockdown restored epithelial markers but not anchorage-independent growth. |
Stable overexpression of sHB-EGF, qRT-PCR and luciferase reporter for E-cadherin transcription, stable shRNA knockdown of Snail-2, Western blot for epithelial/mesenchymal markers |
American journal of physiology. Renal physiology |
Medium |
19244405
|
| 2009 |
Mechanical stretch promotes fetal type II epithelial cell differentiation via ectodomain shedding of HB-EGF and TGF-α; 5% cyclic stretch of E19 fetal cells transfected with AP-tagged HB-EGF directly measured HB-EGF release, which was not enhanced by fibroblast co-culture. |
AP-tagged HB-EGF shedding assay under cyclic stretch, SP-B/C mRNA and protein measurement, recombinant HB-EGF/TGFα/amphiregulin/BTC/EPR comparison |
The Journal of physiology |
Medium |
19237431
|
| 2009 |
Integrin/FAK signaling masks HB-EGF's growth-promoting activity in standard 2D monolayer culture; reducing integrin β1 or FAK by antibody or genetic knockout revealed HB-EGF-dependent cell growth; HB-EGF-driven growth was clearly demonstrated in 3D culture or when integrin signaling was attenuated. |
Integrin β1 antibody blocking, FAK knockout, 3D culture system, xenograft tumor growth comparison |
Journal of cell science |
Medium |
19887590
|
| 2011 |
HB-EGF induces cardiomyocyte hypertrophy via an EGFR-MEK5-ERK5-MEF2A-COX-2 signaling pathway; MEK5 siRNA reduced HB-EGF-induced cell size and ANF mRNA expression, MEF2A siRNA attenuated COX-2 induction, and COX-2 inhibitor rofecoxib reduced ANF expression. |
MEK5 siRNA, MEF2A siRNA, COX-2 inhibitor rofecoxib, AG1478 EGFR inhibitor, [3H]-leucine incorporation, ANF mRNA measurement |
Cellular signalling |
Medium |
21244855
|
| 2011 |
LIV-1 overexpression promotes EMT in prostate cancer cells via MMP2/MMP9-mediated shedding of HB-EGF, causing constitutive EGFR phosphorylation and downstream ERK signaling. |
LIV-1 overexpression, zymography for MMP2/MMP9 activity, EGFR phosphorylation by Western blot, ERK activation assay |
PloS one |
Low |
22110740
|
| 2012 |
miR-1207-5p directly regulates HBEGF expression in podocytes via its 3'UTR; a miRSNP C1936T at position 2 of the seed region abolishes this regulation, as shown by luciferase reporter assay and western blot with miRNA mimics. |
Luciferase reporter assay with 3'UTR construct, miRNA mimic transfection, Western blot for HBEGF protein in podocytes |
PloS one |
Medium |
22319602
|
| 2013 |
Hypoxia increases ADAM12 levels and activity in a Notch signaling-dependent manner, leading to increased HB-EGF ectodomain shedding; released HB-EGF induces invadopodium formation in cancer cells, linking Notch and EGFR pathways in promoting invasion. |
Hypoxia treatment, Notch pathway manipulation, ADAM12 activity assay, HB-EGF shedding measurement, invadopodium formation assay |
The Journal of cell biology |
Medium |
23589494
|
| 2013 |
Autocrine HB-EGF expression in breast cancer cells enhances invadopodium formation and function via EGFR signaling, and upregulates MMP2 and MMP9; HB-EGF inhibition rapidly decreased invadopodia, demonstrating direct EGFR-dependent mechanism. |
HB-EGF overexpression, EGFR inhibition, in vivo intravasation assay, MMP2/9 expression analysis, invadopodium formation assay |
Oncogene |
Medium |
24013225
|
| 2014 |
miR-96 promotes osteogenic differentiation by suppressing HB-EGF post-transcriptionally via binding to the 3'UTR of HB-EGF mRNA, thereby reducing EGFR and ERK1/AKT phosphorylation downstream. |
miR-96 overexpression in MC3T3-E1 cells, 3'UTR binding assay, Western blot for HB-EGF/pEGFR/pERK1/pAKT, osteogenic differentiation markers |
FEBS letters |
Medium |
25451232
|
| 2014 |
HB-EGF promotes intestinal epithelial cell migration and adhesion via FAK phosphorylation; HB-EGF increased p-FAK expression and induced FAK redistribution and actin reorganization, and FAK inhibitor reversed HB-EGF-induced migration and adhesion. |
Scrape wound healing assay, FAK inhibitor 14, immunofluorescence for p-FAK redistribution, Western blot, fibronectin adhesion assay |
The Journal of surgical research |
Medium |
24703506
|
| 2015 |
In head and neck squamous cell carcinoma, Abl kinases negatively regulate invadopodia through suppression of an HB-EGF autocrine loop; imatinib stimulated HB-EGF shedding from HNSCC cells, and soluble HB-EGF enhanced invadopodia ECM degradation via an EGFR-Src-cortactin cascade. |
Imatinib treatment, HB-EGF shedding measurement, Abl/Arg siRNA, invadopodium formation and ECM degradation assays, EGFR/Src inhibitors |
Oncogene |
Medium |
23146907
|
| 2015 |
Recombinant ADAM12 prodomain (PA12) selectively inhibits ADAM12 but not ADAM10 or ADAM17, reducing HB-EGF shedding and cellular migration in endometriotic cells; computational modeling predicted that high-affinity ligands like HB-EGF are more difficult to target with decoy antibodies than low-affinity ligands. |
Recombinant ADAM12 prodomain protein, HB-EGF shedding assay, selectivity profiling against ADAM10/17, cell migration assay, computational modeling |
Scientific reports |
Medium |
26477568
|
| 2017 |
HBEGF can initiate glioblastoma in mice with Ink4a/Arf and Pten loss; HBEGF stimulation activates both EGFR and the RTK Axl, and EGFR is required for Axl activation; silencing HBEGF in vivo caused tumor regression. |
In vivo mouse GBM model, EGFR/Axl conditional deletion, in vivo HBEGF silencing with survival analysis |
Oncogene |
Medium |
28368403
|
| 2018 |
HB-EGF gene expression in β-cells is increased by glucose in a ChREBP-dependent manner; ChREBP binding sites near the HB-EGF gene were identified by ChIP; HB-EGF knockdown in rat islets blocked glucose-induced β-cell proliferation ex vivo and in vivo; Src family kinase inhibition abrogated glucose-induced proliferation, implicating Src in HB-EGF processing. |
HB-EGF siRNA knockdown in isolated islets, transplanted glucose-infused rats, ChREBP ChIP, EGFR and HB-EGF inhibitors, Src kinase inhibitors, β-cell proliferation assay |
Diabetes |
High |
31882563
|
| 2018 |
BHLHE40 induces HBEGF transcription by blocking DNA binding of HDAC1 and HDAC2, as shown by ChIP and Co-IP assays; HBEGF is then secreted through exosomes to promote cell survival and migration. |
ChIP assay, Co-IP of BHLHE40 with HDAC1/2, exosome analysis, HBEGF knockdown, migration/survival assays, xenograft and experimental metastasis models |
Breast cancer research : BCR |
Medium |
30285805
|
| 2019 |
Myeloid cell-derived HB-EGF induces epithelial EGFR nuclear translocation and methylation of histone H4 to facilitate DNA damage repair in pancreatic acinar cells; conditional knockout of HB-EGF in myeloid cells (LysM-Cre) delayed recovery from pancreatitis with impaired DNA repair and increased apoptosis. |
Conditional myeloid-specific Hbegf KO (LysM-Cre), myeloid cell depletion (CD11b-DTR), EGFR conditional KO in pancreatic epithelium, H4 methylation immunostaining, DNA damage assays, cell proliferation/apoptosis measurements |
Cellular and molecular gastroenterology and hepatology |
High |
31125624
|
| 2019 |
s-HBEGF released from sorafenib-treated vascular endothelial cells activates EGFR on keratinocytes and promotes JNK2-mediated SIRT1 stabilization, driving hyper-keratinization; HBEGF neutralization, SIRT1 knockdown, or nicotinamide (SIRT1 inhibitor) all reduced sorafenib-induced hand-foot skin reaction in mouse models. |
In vivo mouse HFSR model, s-HBEGF administration, HBEGF neutralization antibody, SIRT1 siRNA knockdown, nicotinamide treatment, pJNK2 and SIRT1 Western blot, preliminary clinical study |
Cell research |
Medium |
32296111
|
| 2019 |
HBEGF+ inflammatory macrophages in rheumatoid arthritis promote fibroblast invasiveness in an EGF receptor-dependent manner; this cross-talk is shaped by resident fibroblasts and TNF. |
Single-cell RNA sequencing, ex vivo synovial tissue assay with EGFR pathway inhibition, functional invasiveness assays |
Science translational medicine |
Medium |
31068444
|
| 2020 |
TMPRSS4 increases both transcriptional/translational levels of HB-EGF precursor and promotes its proteolytic cleavage by enhancing MMP9 expression via EGFR/Akt/mTOR/HIF-1α signaling; HB-EGF in turn promotes HCC proliferation and invasion via EGFR/PI3K/Akt pathway. |
TMPRSS4 overexpression/knockdown, MMP9 activity assay, EGFR/Akt/mTOR pathway inhibitors, CRM-197 HB-EGF inhibitor, in vivo xenograft model |
Hepatology (Baltimore, Md.) |
Medium |
31867749
|
| 2020 |
APP interacts with pro-HB-EGF (identified in yeast two-hybrid screen and confirmed by co-immunoprecipitation); APP and EGF synergistically activate ERK signaling and promote neuritogenesis via EGFR, as shown by EGFR inhibitor PD 168393 abrogation. |
Yeast two-hybrid screen, co-immunoprecipitation, EGFR inhibitor, immunofluorescence neurite analysis, Western blot for pERK |
Molecular neurobiology |
Medium |
33009641
|
| 2022 |
Group 3 innate lymphoid cells (ILC3s) produce HB-EGF in response to prostaglandin E2/EP2 receptor engagement; ILC3-derived HB-EGF protects intestinal epithelium from TNF-induced cell death independently of IL-22; mice lacking ILC3-derived HB-EGF showed increased susceptibility to TNF-mediated epithelial death and experimental intestinal inflammation. |
Conditional HB-EGF KO in ILC3s (Hbegf f/f × ILC3-Cre), PGE2 stimulation assays, TNF-induced intestinal injury model, in vitro epithelial protection assays |
Nature immunology |
High |
35102343
|
| 2022 |
Combined TNF and HBEGF treatment in human retinal organoids induces photoreceptor neurodegeneration via a previously unknown cell extrusion mechanism; pharmacological inhibitors of PIEZO1 (mechanosensor), MAPK, and actomyosin each prevented pathogenesis, and a PIEZO1 activator alone induced photoreceptor extrusion. |
Human retinal organoid system, combined HBEGF+TNF treatment, PIEZO1 pharmacological activation and inhibition, MAPK/actomyosin inhibitors, live imaging, transcriptome analysis |
Nature communications |
Medium |
36261438
|
| 2023 |
Hb-egfa produced by ependymal cells is required for spinal cord regeneration in zebrafish; hb-egfa mutants show defective axon crossing, tissue bridging, and swim recovery after transection; local recombinant HB-EGF delivery alters ependymal cell cycling and enhances functional regeneration; a tissue regeneration enhancer element (TREE) linked to hb-egfa drives gene expression specifically at spinal cord injuries. |
hb-egfa mutant zebrafish, recombinant HB-EGF delivery, epigenetic profiling for TREE identification, AAV-based enhancer-driven delivery in neonatal mouse spinal cord crush, BrdU/EdU cell cycling assays |
Nature communications |
High |
37567873
|
| 2024 |
Astrocyte-derived HB-EGF limits autoimmune CNS pathology; hypoxic conditions rapidly upregulate HB-EGF in astrocytes, while pro-inflammatory conditions suppress HB-EGF signaling through epigenetic modifications; intranasal HB-EGF administration attenuated disease in a mouse EAE model. |
Proteomic analysis of CSF, in vitro cell type studies, epigenetic modification analysis of HB-EGF locus, intranasal HB-EGF delivery in EAE model |
Nature immunology |
Medium |
38409259
|