| 1997 |
FYB (p120/130) was cloned as a hematopoietic-specific adapter that associates with the Src kinase p59(Fyn) via direct binding, associates with SLP-76 via the SLP-76 SH2 domain, is tyrosine-phosphorylated upon TCR/CD3 ligation, and augments IL-2 secretion from T cell hybridomas in response to TCR stimulation. |
cDNA cloning, co-immunoprecipitation, yeast two-hybrid, overexpression in T cell hybridoma with IL-2 readout |
Proceedings of the National Academy of Sciences of the United States of America |
High |
9207119
|
| 1997 |
SLAP-130 (FYB) was cloned as a SLP-76-associated phosphoprotein that binds the SH2 domain of SLP-76, is a substrate of TCR-induced protein tyrosine kinases, and when overexpressed diminishes TCR-induced IL-2 promoter activity and interferes with SLP-76 augmentation of IL-2 promoter activity, suggesting it acts as a negative regulator recruited by SLP-76. |
Molecular cloning, co-immunoprecipitation with SLP-76 SH2 domain, co-transfection/reporter assay in Jurkat cells |
The Journal of biological chemistry |
High |
9115214
|
| 1998 |
FYB binds SKAP55 and SKAP55R through the SH3 domains of those proteins interacting with proline-rich sequences in FYB; FYB and SKAP55 colocalize in the perinuclear region; both SKAP55 and SKAP55R are FYN kinase substrates in T cells. |
Yeast two-hybrid screen with FYB as bait, co-immunoprecipitation in T cells, confocal immunofluorescence microscopy |
Proceedings of the National Academy of Sciences of the United States of America |
High |
9671755
|
| 1998 |
SLAP-130 (FYB) directly associates with SKAP55 via the SH3 domain of SKAP55 binding a proline-rich sequence of SLAP-130; both proteins are components of the Fyn complex in human T cells. |
Co-immunoprecipitation in COS cells and human T cells, co-transfection of truncation mutants, yeast two-hybrid |
The Journal of biological chemistry |
High |
9748251
|
| 1999 |
FYN-T selectively phosphorylates FYB, creating docking sites for FYN-T and SLP-76 SH2 domains; co-expression of all three components (FYN-T, FYB, SLP-76) synergistically up-regulates TCR-driven IL-2 transcription; FYB phosphorylation shows distinct cytoplasmic localization and long-term stable kinetics. |
In vitro kinase assay with FYN-T, co-immunoprecipitation, co-transfection/IL-2 promoter luciferase reporter assay |
The Journal of biological chemistry |
High |
10409671
|
| 1999 |
Tyrosines Tyr595 and Tyr651 of FYB are the major FYN-T phosphorylation sites that mediate binding to the SLP-76 SH2 domain; the synergistic IL-2 promoter upregulation by FYN-T-FYB-SLP-76 requires FYB–SLP-76 interaction at these sites but not the FYB–FYN-T interaction. |
Site-directed mutagenesis of FYB tyrosines, co-immunoprecipitation in Jurkat T cells, IL-2 promoter reporter assay |
Journal of immunology |
High |
10570256
|
| 1999 |
A novel 130 kDa isoform of FYB (FYB-130) was identified containing a 46 amino acid insertion in the C-terminal region; both FYB-120 and FYB-130 bind SH2 domains of FYN-T and SLP-76, are FYN-T substrates, and localize to the cytoplasm and nucleus; FYB-130 more efficiently up-regulates anti-CD3-driven NF-AT transcription when co-expressed with FYN-T and SLP-76; FYB gene maps to human chromosome 5p13.1. |
cDNA cloning, co-immunoprecipitation, fluorescence in situ hybridization, NF-AT reporter assay in T cells |
The Journal of biological chemistry |
Medium |
10497204
|
| 2000 |
FYB/SLAP was identified as a ligand for Ena/VASP homology 1 (EVH1) domains; upon TCR engagement, FYB/SLAP localizes at the T cell–APC interface alongside Evl, WASP, and Arp2/3; FYB/SLAP associates with Ena/VASP proteins and is present in complexes with WASP, Nck, and SLP-76; inhibition of FYB/SLAP–Ena/VASP or WASP–Arp2/3 binding impairs TCR-dependent actin rearrangement. |
EVH1 domain binding assay, co-immunoprecipitation, confocal microscopy/localization at bead interface, perturbation by dominant-negative constructs measuring actin polymerization |
The Journal of cell biology |
High |
10747096
|
| 2000 |
alpha4beta1 integrin stimulation of T cells causes tyrosine phosphorylation of SLAP-130/FYB and enhances its association with p59fyn SH2 domain; overexpression of SLAP-130/FYB enhances T cell migration through fibronectin-coated filters in response to SDF-1alpha, identifying FYB as a substrate and regulator in beta1 integrin signaling. |
Integrin stimulation, immunoprecipitation with phosphotyrosine antibody, migration assay through fibronectin filters, overexpression in primary T cells |
Journal of immunology |
Medium |
10640723
|
| 2000 |
Overexpression of SLAP-130 abrogates SLP-76 rescue of signaling in SLP-76-deficient Jurkat cells specifically for TCR-induced ERK activation but not PLCgamma1 phosphorylation; tyrosine 559 of SLAP-130 is critical for the SLP-76 interaction and for SLAP-130's negative regulatory effect on SLP-76 function. |
Co-transfection rescue assay in SLP-76-deficient Jurkat cells, deletion and point mutants of SLAP-130, co-immunoprecipitation |
The Journal of biological chemistry |
Medium |
10671560
|
| 2001 |
T cells from SLAP-130/FYB (ADAP) knockout mice show markedly impaired proliferation after CD3 engagement; TCR-stimulated clustering of integrin LFA-1 is defective in SLAP-130/FYB-deficient cells whereas TCR-induced actin polymerization is normal; SLAP-130/FYB couples TCR-mediated cytoskeletal rearrangement to integrin LFA-1 clustering and activation. |
Genetic knockout mouse model, T cell proliferation assay, LFA-1 clustering by microscopy, actin polymerization assay |
Science |
High |
11567141
|
| 2001 |
Fyb/Slap-deficient T cells exhibit defective proliferation and cytokine production; Fyb/Slap has no role in F-actin polymerization or TCR clustering but is required for TCR-induced integrin clustering and adhesion; Fyb/Slap is required in vivo for T cell-dependent immune responses. |
Genetic knockout mouse model, proliferation assay, cytokine measurement, integrin clustering assay, F-actin polymerization assay, in vivo immune response |
Science |
High |
11567140
|
| 2001 |
FYB up-regulates integrin-mediated adhesion to fibronectin and mediator (beta-hexosaminidase) release in RBL-2H3 mast cells upon FcepsilonRI aggregation; the FYB SH3 domain is required for mediator release but not adhesion; FcepsilonRI aggregation increases FYB tyrosine phosphorylation; FYB colocalizes with F-actin in membrane ruffles. |
Overexpression in RBL-2H3 mast cells, adhesion assay to fibronectin, beta-hexosaminidase release assay, SH3 domain deletion mutants, confocal immunofluorescence |
Proceedings of the National Academy of Sciences of the United States of America |
Medium |
11553777
|
| 2001 |
Upon induction of phagocytosis, a large molecular complex containing Fyb/SLAP, Ena/VASP proteins, SLP-76, Nck, and WASP is assembled in macrophages; Fyb/SLAP activation of Fcgamma receptors leads to recruitment of VASP and profilin; a second Nck pathway recruits WASP; these converge to regulate actin polymerization required for pseudopod extension and particle ingestion. |
Co-immunoprecipitation, confocal microscopy of phagosome formation, phagocytosis efficiency assay in primary and immortalized macrophages |
Journal of cell science |
High |
11739662
|
| 2001 |
FYB (ADAP) promotes beta1 integrin clustering on mast cells in a selective manner (FcepsilonRI clustering is unaffected), extending ADAP's modulatory role from beta2 to beta1 integrins. |
Overexpression of ADAP in mast cells, flow cytometry assessment of beta1 integrin and FcepsilonRI clustering kinetics |
Biochemical and biophysical research communications |
Medium |
11741310
|
| 2003 |
The Yersinia phosphatase YopH interacts with Fyb in macrophages via both phosphotyrosine-dependent and phosphotyrosine-independent mechanisms; YopH dephosphorylates Fyb; mutants unable to bind p130Cas/Fyb fail to localize to focal complexes in infected cells and are attenuated in virulence, demonstrating Fyb phosphorylation is biologically relevant in Yersinia infection. |
YopH mutant analysis in infected cells, immunofluorescence co-localization, virulence attenuation assay, phosphatase activity measurement |
Cellular microbiology |
Medium |
12542470
|
| 2003 |
MIST directly associates with SLAP-130 via the MIST SH2 domain; collaboration of SLAP-130 with SKAP55 is required for recruitment of MIST to Lyn in mast cells; MIST is preferentially recruited to Fyn rather than Lyn, regulated by higher affinity of SLAP-130/SKAP55 for Fyn-SH2 versus Lyn-SH2. |
Co-immunoprecipitation in mast cell lines, binding assays with SH2 domain constructs |
FEBS letters |
Medium |
12681493
|
| 2004 |
The C-terminal domain of ADAP (FYB/SLAP-130) was solved by NMR spectroscopy and found to represent an altered SH3 domain fold (helically extended SH3, hSH3) in which an N-terminal amphipathic helix contacts the regular SH3 fold, creating a composite surface that can no longer bind conventional proline-rich peptides. |
NMR structure determination of ADAP C-terminal domain |
Structure |
High |
15062083
|
| 2004 |
ADAP-SLP-76 binding differentially regulates pSMAC formation versus T cell-APC conjugation: mutation of YDDV sites in ADAP (M12) prevents SLP-76 SH2 binding and acts as dominant negative for pSMAC formation and IL-2 production, but has distinct effects on conjugation; ADAP colocalizes with LFA-1 at the immunological synapse. |
Mutational analysis of ADAP YDDV sites, T cell-APC conjugation assay, microscopy of immunological synapse/SMAC formation, IL-2 production assay |
The Journal of experimental medicine |
High |
15477347
|
| 2005 |
The hSH3 domain of ADAP binds acidic lipids including phosphatidylinositides (PIP2, PIP3); positively charged surface patches of the domain preferentially bind polyvalent acidic lipids; the N-terminal helix is required for lipid binding; this identifies the hSH3 as a novel lipid interaction domain suggesting ADAP directly interacts with phosphoinositide-enriched plasma membrane regions. |
In vitro lipid binding assays (liposome sedimentation, lipid overlay), site-directed mutagenesis of basic residues, NMR mapping |
Journal of molecular biology |
High |
15843031
|
| 2005 |
SKAP55 protein is unstable in ADAP-deficient Jurkat T cells and is protected from rapid proteolysis (~15-20 min half-life) by ADAP binding via the SKAP55 SH3 domain; ADAP restores SKAP55 expression by decreasing its proteolysis rate ~5-fold; the SKAP55 SH3 domain (which mediates SKAP55-ADAP association) is required for ADAP's protective effect. |
ADAP-deficient Jurkat cell line, SKAP55 half-life measurement by cycloheximide chase, rescue by ADAP reconstitution, SH3 domain mutants |
The Journal of biological chemistry |
High |
15849195
|
| 2005 |
FYB (Fyb) interacts with mammalian actin-binding protein 1 (mAbp1) via the mAbp1 SH3 domain binding the Fyb N-terminal region; the interaction is detected in macrophage lysates and both proteins co-localize with F-actin at the leading edge. |
Yeast two-hybrid screen with Fyb domains as bait, co-immunoprecipitation in macrophage lysates, co-localization by immunofluorescence |
FEBS letters |
Medium |
15848169
|
| 2005 |
ADAP associates with c-Src in osteoclast precursors and RAW264 cells; c-Src kinase activity and SH2 domain are required for this association; Tyr807 in the ADAP C-terminus is a major c-Src recognition site; ADAP tyrosine phosphorylation is integrin-dependent and Src kinase-dependent; ADAP-knockdown cells show retarded migration and impaired multinucleated cell (osteoclast) formation. |
Pull-down/mass spectrometry identification, co-immunoprecipitation with c-Src, siRNA knockdown, migration and fusion assays |
The Journal of biological chemistry |
Medium |
16020549
|
| 2006 |
The ADAP/SKAP55 signaling module is required for TCR-mediated integrin activation; ADAP/SKAP55 interaction is mandatory; disruption of the module displaces the small GTPase Rap1 from the plasma membrane without affecting its GTPase activity; membrane-targeted ADAP/SKAP55 induces T cell adhesion in the absence of TCR stimulation. |
Dominant-negative and membrane-targeted constructs, Rap1 localization by subcellular fractionation and microscopy, adhesion assays, GTPase activity measurement |
Molecular and cellular biology |
High |
16980616
|
| 2006 |
ADAP is required for normal alphaIIbbeta3 activation in platelets downstream of VWF/GP Ib-IX-V and other agonists (ADP, PAR4); ADAP stabilizes SKAP-HOM expression via interaction with SKAP-HOM SH3 domain; ADAP-deficient mice show increased rebleeding from tail wounds and reduced stable adhesion under shear flow. |
ADAP knockout mice, fibrinogen/ligand-mimetic binding assay, flow cytometry of integrin activation, tail bleeding assay, shear flow adhesion assay |
Blood |
High |
17003372
|
| 2007 |
ADAP regulates TCR-mediated NF-kappaB activation; ADAP-deficient T cells show impaired NF-kappaB nuclear translocation, reduced IkappaB degradation/phosphorylation, and impaired CARMA1-BCL-10-MALT1 complex assembly; a distinct region of ADAP is required for CARMA1 association and NF-kappaB activation but is not required for ADAP-dependent adhesion. |
ADAP knockout T cells, NF-kappaB reporter/EMSA, IkappaB phosphorylation/degradation, CARMA1-BCL10-MALT1 co-immunoprecipitation, domain mapping mutants |
Science |
High |
17478723
|
| 2007 |
RIAM constitutively interacts with SKAP-55 in T cells; the ADAP/SKAP-55 module relocates RIAM and Rap1 to the plasma membrane following TCR activation; SKAP-55/RIAM complex is essential for TCR-mediated adhesion and T cell-APC conjugate formation; RIAM links ADAP/SKAP-55 to active Rap1. |
Co-immunoprecipitation in transfection system and primary T cells, domain mapping, subcellular fractionation, adhesion and conjugate formation assays |
Molecular and cellular biology |
High |
17403904
|
| 2009 |
ADAP is an essential component of alphaIIbbeta3-mediated platelet mechanotransduction; ADAP-deficient platelets show defective spreading and F-actin assembly under shear flow (but not static conditions), form unstable thrombi after carotid artery injury, and fail to assemble F-actin-rich structures containing SLP-76 and phospho-Vav1; defect is specific to ADAP and not VASP or SKAP-HOM. |
ADAP knockout mice, shear flow platelet spreading assay, intravital carotid injury thrombosis model, confocal microscopy of F-actin/SLP-76/Vav1 structures |
Blood |
High |
19996090
|
| 2009 |
The SLP-76-ADAP module is required for LFA-1-mediated costimulation of IL-2 production, F-actin clustering, cell polarization, and T cell motility; LFA-1 costimulation of IL-2 is completely dependent on SLP-76-ADAP binding (M12 mutant blocks all effects); ADAP expression with LFA-1 ligation alone is sufficient to polarize T cells; LFA-1-ADAP polarization depends on Src kinases, Rho GTPases, PLC, and PI3K. |
ADAP-/- primary T cells, ADAP mutants (M12), IL-2 production assay, F-actin clustering microscopy, T cell polarization assay, motility assay, pharmacological inhibitors |
Proceedings of the National Academy of Sciences of the United States of America |
High |
19617540
|
| 2010 |
ADAP requires two distinct sites to activate NF-kappaB in T cells: a CARMA1-binding site critical for IKKgamma ubiquitination, and a TAK1-binding site critical for IKK phosphorylation; ADAP recruits TAK1 and the CBM complex but not IKK to PKCtheta; ADAP is not required for TAK1 activation itself. |
ADAP domain mutants expressed in ADAP-deficient T cells, co-immunoprecipitation of TAK1/CARMA1/IKK with PKCtheta, IKK phosphorylation/ubiquitination assays |
The Journal of biological chemistry |
High |
20164171
|
| 2010 |
Quantitative mass spectrometry (SILAC and 18O-labeling) of phosphopeptide pulldowns identified SLP-76, Ras GTPase activating protein, and other TCR proximal complex proteins as phosphorylation-dependent interaction partners of ADAP at Y595, Y625, and Y771; Nck was confirmed as a direct phosphorylation-dependent binding partner of ADAP. |
Phosphopeptide pulldown, SILAC and 18O quantitative mass spectrometry from Jurkat lysates |
Journal of proteome research |
Medium |
20568816
|
| 2010 |
ADAP contains multiple phosphotyrosine sites; SLP-76, PLCgamma, PIK3R1, Nck, CRK, Gads, and RasGAP are phospho-dependent binding partners of the central YDDV motif of ADAP; phosphorylation-dependent ADAP–Nck interaction is confirmed by yeast two-hybrid, immunoprecipitation, and pulldown, indicating ADAP directly links integrins to cytoskeletal modulators independently of SLP-76. |
In vitro phosphorylation/mass spectrometry mapping, Y-to-F mutagenesis, SILAC peptide pulldown, yeast two-hybrid, immunoprecipitation, binary pulldown |
PloS one |
High |
20661443
|
| 2011 |
The ADAP/SKAP55 module controls CCR7-mediated LFA-1 affinity and avidity regulation; two independent pools of the ADAP/SKAP55 module exist: one interacts with RAPL/Mst1 and another with RIAM/Mst1/Kindlin-3; both pools require ADAP/SKAP55 to bind LFA-1 upon CCR7 stimulation; loss of the module delays lymph node homing and reduces intranodal T cell motility in vivo. |
ADAP/SKAP55-deficient mice, co-immunoprecipitation of module with RAPL/RIAM complexes, in vivo homing assay, intravital two-photon microscopy, LFA-1 affinity/avidity assay |
Blood |
High |
22117043
|
| 2011 |
Nck cooperates with ADAP for SLP-76-dependent actin rearrangement; Nck is necessary but insufficient for WASp recruitment; ADAP enables SLP-76-WASp interactions via the SLP-76 SH2 domain binding ADAP; Nck interacts via its SH2 domain with phosphorylated YDDV sites on ADAP. |
siRNA knockdown of Nck/ADAP, co-immunoprecipitation, actin polymerization assay, WASp recruitment microscopy |
Molecular and cellular biology |
High |
21536650
|
| 2011 |
Physical association of ADAP with SKAP55 is both necessary and sufficient to rescue integrin function in ADAP-deficient T cells (shown via SKAP-ADAP chimera); SKAP55 pleckstrin homology domain residue R131 is required for ADAP recruitment to LFA-1 and for integrin activation; the SKAP55-PH domain restricts ADAP from associating with the NF-kappaB signalosome. |
SKAP-ADAP chimeric fusion protein, PH domain point mutant (R131M), ADAP-deficient T cell reconstitution, LFA-1 co-immunoprecipitation, NF-kappaB reporter assay |
Journal of immunology |
High |
21525391
|
| 2012 |
SLP-76 and ADAP are required for E-selectin-mediated integrin activation and slow leukocyte rolling promoting ischemia-reperfusion-induced AKI in mice; two N-terminal tyrosines and SH2 domain of SLP-76 are required; Bruton tyrosine kinase acts downstream of SLP-76 and together with ADAP regulates PI3Kgamma- and PLCgamma2-dependent integrin affinity and avidity; blocking both pathways abolishes integrin regulation. |
Genetically engineered mice, transduced Slp76-/- leukocytes, slow rolling assay, pharmacological inhibitors of PI3Kgamma/PLCgamma2, AKI model |
The Journal of experimental medicine |
High |
22291096
|
| 2013 |
ADAP contains three binding sites for SLP-76 SH2 domain; multipoint binding to ADAP oligomerizes the SLP-76 SH2 domain in vitro; all three binding sites are critical for SLP-76 microcluster assembly but any two sites partially restore microclusters; multipoint ADAP–SLP-76 binding facilitates assembly of SLP-76 microclusters. |
Biophysical methods (analytical ultracentrifugation, SPR) to characterize SLP-76 SH2–ADAP interactions, confocal imaging of microclusters, ADAP mutants with combinations of binding site mutations |
Molecular and cellular biology |
High |
23979596
|
| 2013 |
Fyn and ADAP form a complex that exclusively regulates production of inflammatory cytokines (but not cytotoxicity) in NK cells via a Carma1-Bcl-10-MAP3K7 signaling axis. |
Genetic knockouts (Fyn, ADAP), NK cell cytotoxicity assay, cytokine production measurement, co-immunoprecipitation of Fyn-ADAP complex |
Nature immunology |
High |
24036998
|
| 2014 |
Nck1 and Nck2 interact with ADAP via their SH2 domains at phosphorylated Y595DDV and Y651DDV sites; endogenous ADAP is phosphorylated at these sites in primary human T cell blasts; ADAP and Nck cooperatively facilitate T cell adhesion to ICAM-1. |
Co-immunoprecipitation in primary human T cells, SH2 domain specificity assay, adhesion assay to ICAM-1 |
Molecular immunology |
Medium |
24769494
|
| 2014 |
ADAP promotes activation of integrin alphaIIbbeta3 in platelets through distinct associations with talin and kindlin-3; GST pulldowns identified separate ADAP regions for talin vs. kindlin binding; ADAP-deficient platelets show reduced talin co-localization with alphaIIbbeta3 and reduced irreversible fibrinogen binding; in CHO cells, ADAP enables kindlin-3 to promote agonist-dependent alphaIIbbeta3 activation within an alphaIIbbeta3/talin complex. |
GST pulldown domain mapping, proximity ligation assay, immunofluorescence co-localization, flow cytometry of integrin activation, reconstitution in CHO cells, ADAP knockout platelets |
Blood |
High |
24523237
|
| 2015 |
Loss-of-function mutation (c.393G>A nonsense) in the FYB gene causes autosomal recessive small-platelet thrombocytopenia in humans; patient platelets show reduced pseudopodium formation, increased basal P-selectin/PAC-1 expression, and reduced increment of activation markers after ADP stimulation, demonstrating ADAP is required for normal platelet production and function. |
Homozygosity mapping, exome sequencing, bone marrow morphology, flow cytometry of platelet activation markers, scanning electron microscopy of platelet morphology |
Journal of thrombosis and haemostasis |
High |
25876182
|
| 2015 |
The ADAP-SKAP55 module reduces CD8+ T cell cytotoxicity and enhances PD-1 expression in a Fyn-, Ca2+-, and NFATc1-dependent manner; knockout of SKAP55 or ADAP reduces PD-1 expression on CD8+ effector cells and enhances anti-tumor immunity in vivo. |
ADAP/SKAP55 knockout mice, DC vaccine tumor models, adoptive transfer of KO CD8+ T cells, NFATc1 inhibitor (CsA), PD-1 flow cytometry |
EMBO molecular medicine |
Medium |
25851535
|
| 2015 |
ADAP forms a complex with TRAF6 and TAK1 in CD8+ T cells and activates SMAD3 to increase autocrine TGF-beta1 production; TGF-beta1 induces CD103 expression via an ADAP-, TRAF6-, and SMAD3-dependent pathway, creating a positive feedback loop protecting from influenza virus infection. |
Co-immunoprecipitation of ADAP-TRAF6-TAK1 complex, SMAD3 phosphorylation assay, ADAP-/- mice CD8+ T cells, TGF-beta1/CD103 expression measurement, influenza infection model |
PLoS pathogens |
Medium |
25909459
|
| 2015 |
ZAP70 is identified as a novel ADAP interaction partner via its N-terminal SH2 domain binding phosphorylated ADAP-hSH3(N) at pY571; this interaction is inducible by TCR or chemokine stimulation; Y571 of ADAP is required for chemokine-directed T cell migration but not TCR-dependent adhesion or conjugate formation. |
SILAC interaction proteomics, NMR spectroscopy mapping of ZAP70-SH2–ADAP interaction, microscale thermophoresis (Kd = 2.3 µM), Y571F mutant functional assay (adhesion, migration) |
Molecular & cellular proteomics |
High |
26246585
|
| 2017 |
Ubc9 (SUMO E2 conjugase) directly interacts with ADAP in vitro and in vivo via ADAP residues 674-700 (nuclear localization sequence); this interaction increases upon anti-CD3 stimulation; knockdown of Ubc9 or expression of Ubc9-binding-deficient ADAP mutant decreases TCR-induced integrin adhesion, LFA-1 clustering, and membrane recruitment of Rap1/RapL and Rac1 activation, without affecting TCR proximal signaling. |
Co-immunoprecipitation in vitro and in vivo, domain mapping, shRNA knockdown, Rac1 GTPase activity assay, Rap1/RapL subcellular fractionation, integrin adhesion/clustering assays |
Journal of immunology |
Medium |
29127148
|
| 2018 |
ADAP is an upstream regulator that pre-positions at TCR contact sites before SLP-76; pY595 is essential for normal ADAP function and virtually all ADAP phosphorylation is restricted to the pY595 pool; multivalent SLP-76 SH2–ADAP interactions are required to sustain ADAP phosphorylation; non-phosphorylated ADAP enriches in actin-rich protrusive structures and promotes retention/assembly of nascent SLP-76 oligomers into persistent microclusters. |
Live-cell imaging with phospho-specific anti-pY595 antibody, point mutants of ADAP, SLP-76 microcluster analysis, integrin-independent adhesion assay, CD69 upregulation assay |
Journal of cell science |
High |
30305305
|
| 2018 |
ADAP deficiency in megakaryocytes causes microthrombocytopenia due to impaired MK polarization and ectopic release of (pro)platelet-like particles into the bone marrow compartment; ADAP-deficient MKs show reduced spreading on extracellular matrix, impaired podosome formation, defective polarization of the demarcation membrane system, and reduced beta1 integrin activation. |
Constitutive and MK-specific (PF4-Cre) ADAP knockout mice, 3D confocal whole-sternum imaging, intravital 2-photon microscopy, cultured MK spreading/podosome assay, beta1 integrin activation flow cytometry |
Blood |
High |
29950291
|
| 2021 |
ADAP phosphorylation at Y571 is required to prime STAT3 for activation in TLR4-stimulated macrophages; ADAP interacts with STAT3 and loss of ADAP reduces LPS-mediated STAT3 phosphorylation and enhances M1 macrophage polarization; Y571F mutation severely impairs ADAP's ability to stimulate STAT3 activity. |
ADAP-/- macrophages, Y571F point mutant, co-immunoprecipitation of ADAP-STAT3, STAT3 phosphorylation assay, cytokine profiling, macrophage polarization assay |
Journal of immunology |
Medium |
33431658
|
| 2022 |
ADAP restrains platelet phagocytosis by macrophages in ITP by competing with STAT1 for binding to importin alpha5; ADAP deficiency potentiates STAT1 nuclear entry, selectively enhancing FcgammaRI/IV transcription; pharmacological inhibition of STAT1 or disruption of STAT1-importin alpha5 interaction relieves thrombocytopenia in ADAP-deficient mice. |
Adap-/- mice, co-immunoprecipitation of ADAP-STAT1-importin alpha5, competition binding assay, FcgammaR transcription measurement, macrophage phagocytosis assay, pharmacological rescue |
Cellular & molecular immunology |
Medium |
35637282
|
| 2024 |
ADAP selectively interacts with RIG-I (but not MDA5) and cooperates with it to activate IFN-beta transcription; ADAP deficiency increases ISGylation of RIG-I, whereas ADAP overexpression decreases RIG-I ISGylation; loss of ADAP impairs IRF3/TBK1 phosphorylation and increases RNA virus replication in macrophages. |
Co-immunoprecipitation (ADAP-RIG-I), ISGylation assay, IRF3/TBK1 phosphorylation measurement, ADAP-/- macrophages and mice, siRNA knockdown, IFN-beta reporter assay |
PLoS pathogens |
Medium |
38776321
|
| 2025 |
BTK-mediated tyrosine phosphorylation of ADAP at Y571 cooperates with mTOR to converge on STAT3 activation for transactivation of the podoplanin (PDPN) promoter in TLR4-stimulated macrophages; ADAP deficiency prevents PDPN upregulation and blocks generation of a PDPNhi M2-like peritoneal macrophage subset that is protective in sepsis. |
ADAP-/- mice, BTK inhibition, mTOR inhibition, STAT3 activation assay, PDPN promoter reporter, peritoneal macrophage subset flow cytometry, sepsis model |
JCI insight |
Medium |
39903516
|