| 2017 |
Ligand-induced endocytosis of Notch1 into SARA-positive endosomes is required for signal transduction; inhibition of clathrin- and dynamin-dependent endocytosis in the receptor-expressing cell impairs ligand-induced Notch1 signaling, and Notch1 endocytosis is accompanied by transendocytosis of ligand into the signal-receiving cell. |
Live-cell imaging, clathrin/dynamin inhibition, ligand-expressing co-culture |
Biochimica et biophysica acta |
High |
26522918
|
| 2018 |
c-Src kinase physically interacts with the Notch1 intracellular domain (NICD), directly phosphorylates it at specific tyrosine residues downstream of β3 integrin/MAGP2 signaling, and this phosphorylation attenuates Notch1-mediated transcription by decreasing MAML recruitment to the co-transcriptional complex and reducing NICD half-life. |
Co-immunoprecipitation, in vitro kinase assay, site-directed mutagenesis, transcriptional reporter assay |
Scientific reports |
High |
30341382
|
| 2018 |
The Notch1 intracellular domain (N1ICD) is reversibly acetylated in proliferating neonatal cardiomyocytes; acetylation extends N1ICD half-life and enhances its transcriptional activity to sustain cardiomyocyte proliferation and counteract apoptosis, while SIRT1 acts as a deacetylase that reverses N1ICD acetylation and dampens its stability. |
Acetylation assays, SIRT1 overexpression, constitutively acetylated N1ICD-p300 fusion protein, adeno-associated viral vector delivery, neonatal mouse apical resection model |
Cardiovascular research |
High |
29186476
|
| 2023 |
SIRT1 deacetylates and promotes degradation of the active Notch1 intracellular domain (NICD); mechanistically, dapagliflozin reduces SIRT1 phosphorylation (preventing its ubiquitination/degradation), enabling nuclear SIRT1 translocation and binding to NICD, leading to NICD deacetylation, degradation, and inactivation of Notch1 signaling, thereby attenuating endothelial-mesenchymal transition. |
Western blotting, confocal proximity ligation assay, in vivo heart failure model, in vitro HUVEC/MAEC assays, SIRT1 inhibition experiments |
Cardiovascular diabetology |
Medium |
38017499
|
| 2023 |
The microprotein N1DARP competitively disrupts the interaction between N1ICD and the deubiquitinase USP10, thereby promoting K11- and K48-linked polyubiquitination of N1ICD and its proteasome-mediated degradation, suppressing canonical and non-canonical Notch1 signaling in pancreatic cancer. |
Co-immunoprecipitation, ubiquitination assays, N1DARP knockout in organoids and KPC mice, cell-penetrating stapled peptide functional studies |
Cell discovery |
High |
37714834
|
| 2021 |
RFC4 directly binds to the Notch1 intracellular domain (NICD1) and competitively abrogates CDK8/FBXW7-mediated degradation of NICD1, thereby stabilizing it; RFC4 is itself a transcriptional target of Notch1 signaling, forming a positive feedback loop that sustains NICD1 overactivation in NSCLC. |
Co-immunoprecipitation, pulldown, ubiquitination/degradation assays, transcriptional target validation, NSCLC cell lines and patient datasets |
Nature communications |
High |
33976158
|
| 2015 |
PI3K/AKT signaling inhibits lysosomal degradation of NOTCH1; withdrawal of PI3K/AKT activity leads to NOTCH1 tyrosine phosphorylation, monoubiquitination by the E3 ligase c-Cbl (shown by co-immunoprecipitation), and subsequent lysosomal degradation of NOTCH1 protein. |
PI3K inhibitor treatment, dominant-negative AKT transfection, ubiquitin capture assay, co-immunoprecipitation, colocalization analysis |
Genes, chromosomes & cancer |
Medium |
26052821
|
| 2015 |
FBW7 (FBXW7) E3 ubiquitin ligase mediates phosphorylation-dependent degradation of the Notch1 intracellular domain in the nucleus; loss of FBXW7 in hepatocellular carcinoma increases NICD levels and promotes cell migration and invasion via Notch1 downstream molecules. |
siRNA knockdown, Fbxw7 overexpression, migration/invasion assays, Western blot, tissue microarray |
International journal of oncology |
Medium |
25955618
|
| 2019 |
PLK1 interacts with NOTCH1 and regulates NOTCH1 expression at the G2/M transition; during DNA damage, PLK1 activity is inhibited, NOTCH1 expression is maintained, and arsenite-induced genotoxic stress causes a PLK1-dependent signaling response that antagonizes NOTCH1's role in the DNA damage checkpoint. |
Chemical library kinase screen, co-immunoprecipitation, cell cycle analysis, PLK1 inhibition, DNA damage assays |
The Journal of biological chemistry |
Medium |
31597699
|
| 2017 |
GSK3β regulates Notch1 signaling by controlling postendocytic receptor recycling; GSK3β inhibition increases Notch1 cell surface levels, elevates NICD production and signaling activity, and alters Notch1 localization within a tubulovesicular compartment. |
GSK3β inhibition, immunolocalization, Notch1 transport/recycling assays, NICD production measurement |
Molecular biology of the cell |
Medium |
29237816
|
| 2011 |
DDR1 receptor tyrosine kinase physically interacts with Notch1 (identified by tandem affinity protein purification); upon ligand-mediated DDR1 activation, Notch1 is activated and bound to DDR1, activating canonical Notch1 targets (Hes1, Hey2), and DDR1 knockdown abolishes collagen I-induced nuclear accumulation of active Notch1. |
Tandem affinity protein purification, co-immunoprecipitation, nuclear fractionation, DDR1 knockdown, gamma-secretase inhibitor treatment |
The Journal of biological chemistry |
Medium |
21398698
|
| 2008 |
Notch1 intracellular domain physically interacts with phospho-Smad3 (pSmad3) in dendritic cells; overexpression of N1ICD facilitates pSmad3 nuclear translocation and enhances pSmad3 transcriptional activity on Smad-sensitive promoters, mechanistically linking Notch1 signaling to TGF-β-mediated Treg effector function. |
Co-immunoprecipitation, luciferase reporter assay, antibody blockade of Notch1/Jagged1, in vitro Treg suppression assay |
Journal of immunology |
Medium |
18292500
|
| 2017 |
Keratin 8 (K8) and its partner K18 physically interact with Notch1 receptor (shown by proximity ligation assay and co-immunoprecipitation in colonocytes); K8/K18 enhance Notch1 protein levels and activity in a dose-dependent manner, and K8 loss reduces full-length Notch1, NICD, and downstream target gene expression, shifting colonic differentiation toward goblet cell and enteroendocrine fates. |
Proximity ligation assay, co-immunoprecipitation, K8-knockout mice, CRISPR/Cas9 Caco-2 knockout, K8/K18 re-expression rescue |
Cell death and differentiation |
High |
28475172
|
| 2020 |
Fringe enzymes and canonical Notch ligands differentially regulate NOTCH1 vs. NOTCH2; DLL4 activates NOTCH1 more than twice as potently as NOTCH2 in the absence of Fringes; O-fucosylation on EGF8 and EGF12 of NOTCH1 is required for Lunatic Fringe-mediated enhancement of DLL1-NOTCH1 activation, and O-fucosylation on EGF9 is important for receptor trafficking of both NOTCH1 and NOTCH2. |
Cell-based Notch signaling and ligand-binding assays, mass spectrometry for O-fucose, Fringe enzyme mutagenesis, EGF domain O-fucose site mutants |
The Journal of biological chemistry |
High |
32820046
|
| 2015 |
Endothelial NOTCH1 is suppressed by inflammatory lipids (Ox-PAPC) and cytokines (TNF, IL-1β) through a STAT3-dependent mechanism; siRNA-mediated reduction of NOTCH1 in human aortic endothelial cells increases inflammatory molecules and monocyte binding in the absence of inflammatory stimulus, and endothelial Notch1 heterozygous mice show higher diet-induced atherosclerosis. |
siRNA knockdown, inflammatory lipid treatment, monocyte adhesion assay, Notch1 heterozygous mouse atherosclerosis model |
The Journal of experimental medicine |
High |
26552708
|
| 2017 |
Endothelial NOTCH1 functions as a mechanosensor: NOTCH1 localizes downstream of flow and canonical NOTCH signaling scales with the magnitude of fluid shear stress; NOTCH1 is required for maintenance of junctional integrity and suppression of proliferation under laminar shear stress, and loss of NOTCH1 destabilizes junctions and triggers proliferation through changes in intracellular calcium signaling. |
Shear stress assays, siRNA knockdown, live imaging, gene expression profiling, calcium signaling rescue experiments, adult endothelial Notch1-knockout mouse atherosclerosis model |
Nature communications |
High |
29158473
|
| 2021 |
Endothelial NOTCH1 activation suppresses VE-cadherin expression through the transcription factors SNAI1 (binding -373 E-box) and ERG (binding -134/-118 ETS element) on the VE-cadherin promoter; constitutive endothelial NICD1 expression in mice induces severe albuminuria associated with decreased VE-cadherin and reduced glomerular endothelial glycocalyx. |
NICD1 lentiviral infection, DLL4 treatment, VE-cadherin promoter analysis, transgenic mouse model (ZEG-NICD1/Tie2-tTA/Tet-O-Cre), SNAI1/ERG knockdown, monolayer permeability assay |
Circulation research |
High |
33435713
|
| 2017 |
MEGF10 interacts with Notch1 via their respective intracellular domains (shown by reciprocal co-immunoprecipitation); the pathogenic MEGF10 p.C774R mutation impairs this interaction, and MEGF10 regulation of myoblast proliferation and migration is mediated at least in part through Notch1 signaling. |
Reciprocal co-immunoprecipitation, shRNA knockdown, pathogenic mutation overexpression, Megf10-/- mouse myoblast proliferation/migration assays |
Human molecular genetics |
Medium |
28498977
|
| 2015 |
In the intracellular domain swap mouse model, differences between Notch1 and Notch2 outcomes reflect signal strength (number of NICD molecules reaching the nucleus, integrating ligand-mediated release and nuclear translocation) and duration (half-life of NICD-RBPJk-MAML-DNA complexes); tissue-specific NICD stability differences are caused by alternative scissile bond choices by tissue-specific γ-secretase complexes. |
Intracellular domain swap mouse model, genetic epistasis across multiple tissues (T-cell development, skin, inner ear, lung, retina), gamma-secretase complex analysis |
Development (Cambridge, England) |
High |
26062937
|
| 2004 |
p53 negatively regulates Notch1 activation during T-cell development through Presenilin1 (PS1): p53 represses PS1 expression, and PS1 cleaves Notch1 to release the NIC; Trp53-/- thymocytes show elevated NIC levels and altered CD4+/CD8+ T-cell ratios consistent with increased Notch1 activation, phenocopying NIC-overexpressing mice. |
Thymoma cell lines, Trp53-/- mouse thymocytes, NIC protein detection, flow cytometry for CD4/CD8 populations |
European journal of immunology |
Medium |
14991602
|
| 2021 |
Pericyte NOTCH3 and endothelial NOTCH1 cooperate for pericyte-induced vascular stabilization: DLL4 expression in pericytes is dependent on NOTCH3, and DLL4 is the key ligand activating endothelial NOTCH1; loss of either NOTCH3 or NOTCH1 decreases VE-cadherin accumulation at adherens junctions and increases junction motility in vitro. |
In vitro vascular co-culture models, siRNA knockdown of NOTCH1 and NOTCH3, VE-cadherin imaging, DLL4 ligand identification |
American journal of physiology. Cell physiology |
Medium |
34878922
|
| 2021 |
Notch1 activation in podocytes drives diabetic kidney disease: conditional deletion of Notch1 (but not Notch2) in podocytes markedly ameliorates albuminuria and mesangial expansion in diabetic mice; Notch1-null podocytes are protected from apoptosis and dedifferentiation in vitro; deletion of Notch1 leads to compensatory upregulation of Notch2. |
NPHS2(cre)Notch1(flox/flox) conditional knockout mice, diabetic nephropathy model, in vitro podocyte apoptosis/dedifferentiation assays, Notch2 transgenic overexpression |
Diabetes |
High |
26293507
|
| 2019 |
NOTCH1-ICD physically interacts with BTK (demonstrated by in situ proximity ligation assay); BCR stimulation increases nuclear NOTCH1-ICD and activates HES1, DTX1, and c-MYC transcription; ibrutinib (BTK inhibitor) disrupts NOTCH1-ICD/BTK complexes and reduces NOTCH1 activation in CLL. |
Western blotting, confocal proximity ligation assay, qRT-PCR for downstream targets, ex vivo CLL patient samples |
Clinical cancer research |
Medium |
31578228
|
| 2017 |
Activated Notch1 (N1ICD) in endothelial cells induces cellular senescence and expression of chemokines and VCAM1, promoting neutrophil infiltration, tumor cell adhesion to the endothelium, and intravasation; treatment with Notch1-blocking antibodies or genetic ablation of EC Notch signaling inhibited these pro-metastatic events. |
Conditional N1ICD expression in ECs, Notch1-blocking antibody treatment, VCAM1 blockade, peritoneal ovarian carcinoma mouse model, lung colonization assays |
Cancer cell |
High |
28238683
|
| 2014 |
Notch1 heterozygosity in aortic valve interstitial cells produces a myofibroblast-like phenotype with higher cadherin-11 (regulated by Akt activity) and decreased Runx2; under cyclic strain, Notch1+/- AVICs show upregulated Akt phosphorylation and smooth muscle α-actin, leading to enhanced dystrophic (not osteogenic) calcific nodule formation. |
Murine immortalized Notch1+/- AVIC isolation, cyclic strain bioreactor, Akt inhibition, calcification nodule assays, molecular signaling pathway analysis |
Arteriosclerosis, thrombosis, and vascular biology |
Medium |
26023079
|
| 2017 |
NOTCH1 transactivates MYC in CLL via binding to B-cell-specific regulatory elements; active intracellular NOTCH1 (ICN1) is detectable in ~50% of peripheral blood CLL cases lacking NOTCH1 mutations and correlates with a NOTCH1 gene-expression signature enriched for B-cell proliferation and survival regulators. |
ICN1 protein detection, ChIP/reporter assays for MYC regulatory elements, gene expression signature analysis in primary CLL samples |
Proceedings of the National Academy of Sciences of the United States of America |
Medium |
28314854
|
| 2008 |
Hyperactivated PI3K/Akt signaling upregulates Notch1 through NF-κB activity, while hypoxia increases Notch1 mRNA and protein via HIF-1α stabilization; Notch1 is required for Akt and hypoxia to transform melanocytes and maintains cell proliferation and protects cells from stress-induced death in xenograft models. |
Human melanoma cell lines, xenograft model, PI3K/Akt inhibition, NF-κB inhibition, HIF-1α knockdown, Notch1 knockdown |
The Journal of clinical investigation |
Medium |
18924608
|
| 2023 |
Notch1 signaling in type II alveolar epithelial cells (AEC2s) determines cell fate by inhibiting differentiation (reducing lamellar body compartment and surfactant proprotein processing capacity) and causing increased epithelial proliferation, putatively via altered JAK/STAT signaling; Notch1 activity is already activated early in IPF, and pharmacological inhibition of Notch in IPF-derived lung slices improved surfactant processing and reversed fibrosis. |
Notch1 NICD overexpression in vivo, bleomycin fibrosis model, human IPF precision-cut lung slices with Notch inhibition, flow cytometry, kinome profiling, primary murine/human AEC2s |
American journal of respiratory and critical care medicine |
Medium |
36047984
|
| 2022 |
NOTCH1 deficiency in human iPSC-derived cardiomyocytes blocks ventricular-like cardiomyocyte differentiation and promotes atrial-like cardiomyocyte generation through shortening of action potential duration; NOTCH1 KO leads to biased differentiation of cardiac mesoderm toward epicardial and second heart field progenitors at the expense of first heart field progenitors, and defective cardiomyocyte proliferation with downregulated cell cycle progression pathways. |
CRISPR/Cas9 NOTCH1 deletion in human iPSCs, single-cell RNA-seq at multiple differentiation time points, action potential duration measurement |
Circulation research |
High |
36583388
|
| 2022 |
Optogenetic NOTCH1 receptor (optoNotch) allows ligand-independent light-controlled activation of N1ICD and downstream transcription; NOTCH1 activation increases proliferation in MCF7 and MDA-MB-468 breast cancer cells and induces chemoresistance, with cell-type-specific migratory phenotypes. |
Optogenetic receptor engineering (optoNotch), 2D and 3D spheroid cultures, transcriptional activity assays, chemoresistance assays |
Cell communication and signaling |
Medium |
35585598
|
| 2021 |
Reduced Notch1 cleavage in lung endothelial cells impairs endothelial barrier function and increases immune cell infiltration in vessel walls; Dll4-neutralizing antibodies inhibit Notch1 cleavage and induce pulmonary hypertension in mice, while overexpression of constitutively activated Notch1 attenuates pulmonary hypertension progression. |
Dll4-neutralizing antibody treatment in mice, Notch1 target gene array in human pulmonary microvascular ECs, constitutively activated Notch1 overexpression in vivo, PH mouse models, hemodynamic measurements |
Hypertension (Dallas, Tex. : 1979) |
Medium |
34739767
|
| 2020 |
PAK1 directly co-localizes and physically interacts with Notch1 in colon epithelial cells; silencing of PAK1 leads to Notch1 activation, and Notch1 activation abrogates the PAK1-Notch1 interaction, identifying a PAK1-Notch1 axis that regulates intestinal crypt homeostasis through Notch1-dependent HES1 and Lgr5 expression. |
Co-immunoprecipitation, immunofluorescence co-localization in intestinal organoids and cell lines, PAK1/Notch1 siRNA, IL10/PAK1 double-knockout mice |
Cellular and molecular gastroenterology and hepatology |
Medium |
33189893
|
| 2015 |
NOTCH1 gene transcription in keratinocytes is directly controlled by transcription factors DLX5 and EGR3 (required for RNA PolII recruitment to the NOTCH1 locus) and estrogen receptor β (ERβ, controlling NOTCH1 transcription through RNA PolII pause release); experimentally increased ERβ expression or ERβ agonist treatment promotes NOTCH1 expression and squamous differentiation in vitro and in mouse xenotransplants. |
Bioinformatics screening, ChIP (PolII occupancy), ERβ overexpression, ERβ agonist treatment, mouse xenotransplant model |
The Journal of clinical investigation |
Medium |
24743148
|
| 2017 |
Notch1 inhibition in glioblastoma using CRISPR/Cas9-mediated ablation suppresses tumor growth, increases γH2AX foci (indicating impaired DNA repair), radiosensitizes GBM cells, impairs angiogenesis, and attenuates VEGF and hypoxic response to irradiation in xenografts. |
CRISPR/Cas9 Notch1 ablation, clonogenic assays, γH2AX immunofluorescence, xenograft tumor growth, immunofluorescence staining |
Oncotarget |
Medium |
29152141
|
| 2021 |
Notch1 signaling in osteochondroprogenitor cells (overexpression of NICD1) during fracture healing increases periosteal cell proliferation and migration, expands αSMA-positive cells and their osteoblast progeny, reduces callus cartilage, increases mineralized callus, and improves bone biomechanical strength; conversely, anti-NRR1 antibody inhibition of Notch1 increases cartilage area and reduces callus bone mass. |
αSMACreERT2-Rosa-NICD1 transgenic mice, anti-NRR1 antibody treatment, fracture callus histology, biomechanical testing, in vitro proliferation/migration assays |
Journal of orthopaedic research |
Medium |
32141629
|
| 2019 |
Notch1 activation in renal tubular epithelial cells and fibroblasts contributes to TGF-β1/Smad2/3-dependent myofibroblastic phenotype; TGF-β1 induces Notch1 activity and these phenotypic transitions are abolished by Notch1 knockdown or DAPT, and exacerbated by Notch1 overexpression or Jagged-1-Fc activation. |
Notch1 siRNA, DAPT inhibitor, Jagged-1-Fc activator, fibroblast and TEC in vitro cultures, ureteral obstructive model in rats, CKD patient biopsies |
Cell communication and signaling |
Medium |
31718671
|
| 2015 |
Lyso-Gb3 activates Notch1 signaling in human podocytes, increasing active Notch1 and HES1; Notch1 signaling activates NF-κB to mediate inflammatory chemokine (MCP-1, RANTES) upregulation, and promotes fibrogenic responses including fibronectin upregulation; these effects are abolished by Notch1 siRNA or γ-secretase inhibition. |
Notch1 siRNA, γ-secretase inhibitor, NFκB inhibitor (parthenolide), lyso-Gb3 treatment of cultured human podocytes, Fabry kidney biopsy immunostaining |
Human molecular genetics |
Medium |
26206887
|
| 2017 |
Notch1 activation in fibroblasts (FSP-1;ROSA Notch1 gain-of-function mice) suppresses fibroblast growth, migration, and differentiation into myofibroblasts, delays wound healing, diminishes collagen deposition, and impairs angiogenic response; IL-6 was identified as a functional Notch1 target in fibroblasts involved in regulating angiogenesis. |
FSP-1-Cre;ROSA-NICD1 transgenic mouse wound healing model, in vitro fibroblast migration/differentiation assays, IL-6 functional validation |
Life science alliance |
Medium |
33109684
|
| 2018 |
Notch1 provides myocardial protection against ischemia-reperfusion injury by improving mitochondrial quality control: Notch1 overexpression increases ATP production, promotes mitochondrial fusion, decreases fission, and inhibits mitophagy by suppressing Pink1 expression and Mfn2/Parkin phosphorylation. |
Adenoviral Ad-N1ICD and Ad-shN1ICD in rat cardiomyocytes, ischemia-reperfusion injury model, mitophagy and mitochondrial dynamics assays, Pink1/Mfn2/Parkin pathway analysis |
Journal of cellular physiology |
Medium |
30515819
|
| 2016 |
Notch1 (NICD) regulates the aggressiveness of differentiated thyroid cancer (DTC) by suppressing SERPINE1 (PAI-1): NICD induction reduces SERPINE1 expression in a dose-dependent manner and inhibits DTC cell growth and migration in vitro and in an orthotopic xenograft model. |
Doxycycline-inducible NICD expression system, microarray target discovery, SERPINE1 knockdown, orthotopic thyroid cancer xenograft |
Clinical cancer research |
Medium |
26847059
|
| 2015 |
Notch1 heterozygous loss is sufficient to cause ascending aortic aneurysm in 129S6 background mice; conditional heterozygous deletion of Notch1 in the second heart field (SHF) lineage recapitulates exacerbated aortic root dilation, establishing an SHF lineage-specific role for Notch1 in ascending aortic aneurysm. |
Notch1 heterozygous mice (129S6 background), SHF lineage-specific Notch1 conditional deletion, Marfan syndrome mouse model crossbreeding, RNA sequencing of aortic root |
JCI insight |
Medium |
29093270
|
| 2017 |
Notch1 is required for intermittent hypoxia (IH)-enhanced hippocampal neurogenesis in vivo; IH activates Notch1 signaling in wild-type mice, and Notch1 heterozygous (N+/-) mice fail to upregulate Notch1 activity after IH and show blocked IH-enhanced NSC proliferation, newborn neuron survival/migration, and spine morphogenesis. |
Notch1 heterozygous mice, intermittent hypoxia protocol, BrdU incorporation, immunohistochemistry for neurogenesis markers |
Neurobiology of disease |
Medium |
24368168
|
| 2021 |
Cardiac-specific Notch1 deletion causes multiple structural cardiac defects and embryonic lethality; Notch1 is expressed and activated in the myocardium at multiple stages; Notch1 or RBPJk deletion in NFP double-knockout (MDKO) mice partially rescues defects in cardiac progenitor cell differentiation, cardiomyocyte proliferation, and trabecular morphogenesis but not structural defects, indicating NFPs regulate cardiac development through both Notch1-dependent and Notch1-independent mechanisms. |
Cardiac-specific Notch1 and RBPJk knockout mice, Notch reporter lines, RNAScope, Numb/Numbl/Notch1/RBPJk triple knockout, phenotype comparison |
Cells |
Medium |
34571841
|