| 1985 |
CXCL10 (IP-10) was identified as an IFN-γ-inducible early-response gene encoding a protein with homology to platelet factor-4 and β-thromboglobulin (CXC chemokine family); its mRNA is induced within 30 min of IFN-γ treatment with >30-fold accumulation, and increased transcription contributes to this accumulation. |
Molecular cloning, Northern blot, nuclear run-on transcription assay |
Nature |
High |
3925348
|
| 1990 |
CRG-2, the mouse homologue of human IP-10/CXCL10, encodes a 98-amino-acid secreted protein (21-residue signal peptide) of the PF4 family; its mRNA is induced by IFN-α, IFN-β, and IFN-γ as well as LPS, peaks at 3–6 h after IFN-γ, and accumulation is not blocked by cycloheximide (primary response gene). |
cDNA library screening, differential hybridization, Northern blot, cycloheximide experiments, 5′-flanking region isolation |
The Journal of biological chemistry |
High |
2118520
|
| 1995 |
CXCL10 (IP-10) is a potent inhibitor of angiogenesis in vivo; it profoundly inhibited bFGF-induced neovascularization in a Matrigel model and suppressed endothelial cell differentiation into tubular capillary structures in vitro, without affecting endothelial cell growth, attachment, or migration. |
In vivo Matrigel plug assay (athymic mice), in vitro tube formation assay, endothelial cell growth/attachment/migration assays |
The Journal of experimental medicine |
High |
7540647
|
| 1997 |
CXCL10 (IP-10) and CXCL9 (Mig) share the receptor CXCR3; both chemokines are chemotactic specifically for activated (but not resting) T cells, show reciprocal desensitization on activated T cells, inhibit neovascularization, inhibit hematopoietic progenitor cells, and have anti-tumor effects, but lack neutrophil chemotactic activity. |
Recombinant protein chemotaxis assays, desensitization assays, receptor-sharing functional studies |
Journal of leukocyte biology |
High |
9060447
|
| 1999 |
CXCL10 receptor CXCR3 is expressed by human mesangial cells; CXCL10 binding to CXCR3 on mesangial cells induces intracellular Ca²⁺ influx and directly stimulates mesangial cell proliferation. |
Flow cytometry, intracellular Ca²⁺ measurement, cell proliferation assay |
Journal of the American Society of Nephrology |
Medium |
10589690
|
| 1999 |
Murine Crg-2 (mouse IP-10/CXCL10) expressed via recombinant vaccinia virus enhances NK cell cytolytic activity, increases mononuclear cell infiltration in liver, and is required along with IFN-α/β and IFN-γ for controlling viral replication in athymic nude mice, establishing an antiviral role in vivo. |
Recombinant vaccinia virus expression, in vivo viral challenge model, NK cell depletion with neutralizing antibodies, cytolytic activity assays |
Journal of virology |
Medium |
9882354
|
| 2000 |
CXCL10 (IP-10), together with CXCL9 and CXCL11, acts as a natural antagonist for the Th2 chemokine receptor CCR3; it competes for eotaxin binding to CCR3-expressing cells and inhibits CCR3-mediated migration and Ca²⁺ signaling without inducing CCR3 internalization (pure antagonist). |
Radioligand competition binding assay, chemotaxis assay, Ca²⁺ mobilization assay, receptor internalization assay |
The Journal of biological chemistry |
High |
11110785
|
| 2001 |
CD26/dipeptidyl peptidase IV cleaves CXCL10 (and CXCL9, CXCL11, CXCL12, CCL22) with striking selectivity; kinetic analysis shows CXCL10 is a substrate for N-terminal truncation by CD26/DPPIV, a mechanism that modulates chemokine activity in vivo. |
Steady-state kinetics (Km, kcat), mass spectrometry-based truncation analysis |
The Journal of biological chemistry |
High |
11390394
|
| 2001 |
CXCL10 (IP-10) has a hepatoprotective/regenerative effect during acute liver injury; its therapeutic effect is mediated through upregulation of CXCR2 on hepatocytes, with CXCR2 neutralization abrogating the effect. CXCL10 treatment of cultured hepatocytes stimulates a CXCR2-dependent proliferative response. |
Mouse APAP-injury model, rIP-10 administration, CXCR2 neutralizing antibody, hepatocyte proliferation assay in vitro |
Journal of immunology |
Medium |
11739529
|
| 2002 |
CXCL10 is constitutively expressed in basal colonic crypts and upregulated during colitis; recombinant CXCL10 administration inhibits intestinal epithelial cell proliferation, while CXCL10 neutralization promotes crypt cell survival and protects from epithelial ulceration independent of altered immune cell infiltration. |
DSS colitis mouse model, anti-CXCL10 neutralizing antibody, recombinant CXCL10 administration, histology |
European journal of immunology |
Medium |
12555665
|
| 2003 |
CXCL10 is induced in CMV-infected primary microglia through p38 MAP kinase phosphorylation (not requiring secondary protein synthesis); IL-10 suppresses CMV-induced CXCL10 by decreasing NF-κB activation (not p38 phosphorylation); viral cmvIL-10 (UL111a, spliced form) from CMV-infected astrocytes inhibits microglial CXCL10 production through the IL-10 receptor. |
Primary microglia infection, p38 inhibitor, cycloheximide treatment, NF-κB reporter assay, conditioned medium experiments, IL-10R blockade |
Journal of virology |
Medium |
12663757
|
| 2003 |
An alternatively spliced variant of CXCR3, termed CXCR3-B, mediates the angiostatic activity of CXCL10 (as well as CXCL9 and CXCL11) on endothelial cells; CXCR3-B overexpression dramatically reduces DNA synthesis and upregulates apoptosis via distinct signal transduction pathways from CXCR3-A, and also acts as functional receptor for CXCL4/PF4. |
Alternative splicing identification, receptor transfection (CXCR3-A vs CXCR3-B), binding assays, DNA synthesis assay, apoptosis assay, signal transduction analysis, immunohistochemistry on tumor tissue |
The Journal of experimental medicine |
High |
12782716
|
| 2004 |
CXCR3 intracellular domains differentially mediate CXCL9, CXCL10, and CXCL11 signaling: the carboxyl-terminal domain and β-arrestin1 are predominantly required for CXCL9- and CXCL10-induced internalization, while the third intracellular loop is predominantly required by CXCL11; chemotaxis and Ca²⁺ mobilization by all three ligands require both the CXCR3 C-terminus and the DRY sequence in TM3. |
Domain deletion/mutation analysis, β-arrestin1 dominant-negative, internalization assay, Ca²⁺ mobilization, chemotaxis assay |
The Journal of biological chemistry |
High |
15150261
|
| 2004 |
EGFR-activated signaling (via NADPH oxidase/metalloproteinase pathway) during respiratory virus infection suppresses IRF1-dependent CXCL10 production in airway epithelial cells; EGFR inhibition augments IRF1 and CXCL10 levels, while EGFR activation suppresses them. |
Influenza/rhinovirus/RSV infection of airway epithelial cells, EGFR inhibitors, IRF1 knockdown, CXCL10 ELISA and qPCR |
American journal of physiology. Lung cellular and molecular physiology |
Medium |
24838750
|
| 2004 |
NF-κB κB site sequence determines cofactor specificity; for CXCL10 and other genes with two κB sites, both sites are required for activity, and the sequence of each κB site determines which coactivators productively interact with the bound NF-κB dimer rather than simply which dimer binds. |
Lentivirus-based κB site implantation, κB site swapping between genes, NF-κB dimer specificity assays |
Cell |
High |
15315758
|
| 2004 |
IP-10/CXCL10 attenuates bleomycin-induced pulmonary fibrosis by inhibiting fibroblast migration (chemoattractant activity) but not fibroblast proliferation; IP-10-deficient mice show dramatically increased fibroblast accumulation and fibrosis after bleomycin, while IP-10-overexpressing transgenic mice are protected. |
IP-10 knockout mice, IP-10 transgenic overexpression mice, bleomycin pulmonary fibrosis model, fibroblast chemotaxis/proliferation assays in vitro |
American journal of respiratory cell and molecular biology |
High |
15205180
|
| 2005 |
CXCL10 via CXCR3 upregulates IFN-γ and T-bet expression while downregulating IL-4, IL-5, IL-13, and GATA-3 in CD4+ T cells, promoting Th1 differentiation; these effects are mediated through distinct signal transduction pathways compared with CXCL4/CXCR3-B, which has opposite effects promoting Th2 cytokines. |
Antigen-specific human CD4+ T-cell lines, anti-CXCR3 neutralizing antibody, qRT-PCR, flow cytometry, ELISA, IL-5/IL-13 promoter activation assay |
The Journal of allergy and clinical immunology |
Medium |
16337473
|
| 2005 |
CXCL10 produced preferentially by asthmatic airway smooth muscle mediates migration of human lung mast cells to airway smooth muscle predominantly through CXCR3 activation; CXCR3 is expressed on 100% of mast cells within the airway smooth muscle bundle in asthma. |
Immunohistochemistry of bronchial biopsies, ex vivo airway smooth muscle supernatants, mast cell chemotaxis assay, ELISA |
American journal of respiratory and critical care medicine |
Medium |
15879427
|
| 2006 |
Oligomerization of CXCL10 is required for its presentation on endothelial cells and for in vivo T cell recruitment; a monomeric CXCL10 mutant retains in vitro chemotaxis activity but fails to recruit CD8+ T cells into mouse airways after intratracheal instillation and cannot bind to or enable transendothelial chemotaxis on endothelial cells, independent of reduced CXCR3 or heparin binding. |
Monomeric CXCL10 mutant, in vitro chemotaxis assay, intratracheal instillation in mice, molecular imaging, endothelial cell binding assay, transendothelial migration assay |
Journal of immunology |
High |
17082614
|
| 2008 |
Crystal structure of mouse IP-10/CXCL10 reveals a novel tetrameric association where two conventional CXC dimers associate through N-terminal regions forming a 12-stranded elongated β-sheet (~90 Å); two heparin-binding sites are located at the interface of each β-sheet dimer; this tetramer structure differs from previously described IP-10, PF4 and NAP-2 tetramers and supports higher-order oligomer formation. |
X-ray crystallography, surface mapping of heparin- and receptor-binding residues |
Acta crystallographica. Section D, Biological crystallography |
High |
18560148
|
| 2009 |
CXCL10 signals through TLR4 (not solely CXCR3) on pancreatic β-cells to decrease viability and impair insulin secretion; CXCL10 induces sustained activation of Akt, JNK, and cleavage of PAK-2, switching Akt signaling from proliferation to apoptosis. |
Human islet treatment with recombinant CXCL10, TLR4 identification as receptor, Akt/JNK/PAK-2 phosphorylation assays, apoptosis assay, insulin secretion measurement |
Cell metabolism |
Medium |
19187771
|
| 2010 |
CXCL10 inhibits endothelial cell proliferation through a CXCR3-independent mechanism; this inhibitory activity correlates with CXCL10's glycosaminoglycan (heparin) binding affinity rather than CXCR3 binding/signaling, as demonstrated using CXCL10 mutant panel analysis and CXCR3-deficient mouse endothelial cells. |
CXCR3 knockout mouse endothelial cells, CXCR3 neutralizing antibodies, CXCL10 mutant panel, FACS for CXCR3 expression, proliferation assay |
PloS one |
High |
20856926
|
| 2010 |
CXCL10 repression in IPF lung fibroblasts involves histone deacetylation combined with histone H3 hypermethylation (via G9a/H3K9me3 and SUV39H1); this reduces transcription factor binding to the IP-10 promoter; HDAC or G9a inhibitors reverse both modifications and restore CXCL10 expression. |
Chromatin immunoprecipitation (ChIP), HDAC and G9a inhibitors, nuclear run-on, promoter transcription factor binding assays in IPF patient fibroblasts |
Molecular and cellular biology |
High |
20404089
|
| 2011 |
CXCL10 acting via CXCR3 promotes synovial fibroblast invasion through MMP-1 production, intracellular calcium influx, and actin cytoskeleton reorganization with lamellipodia formation; CXCR3 blockade reduces invasiveness by up to 77% in arthritic rat FLS and 58% in RA patient FLS. |
Matrigel invasion assay, anti-CXCR3 antibody, CXCR3 inhibitor AMG487, MMP ELISA, intracellular calcium assay, actin cytoskeleton imaging in primary FLS |
Arthritis and rheumatism |
Medium |
21811993
|
| 2012 |
CXCL10 mediates macrophage differentiation of activated B cells into plasma cells through a novel dialog: macrophage-derived CXCL10 (induced by B cell-derived IL-6 via STAT3 phosphorylation) drives B cell differentiation into CD138+CD38++ plasma cells, and CXCL10 amplifies IL-6 production by B cells sustaining the STAT3-mediated differentiation signal; IP-10-deficient mice show reduced NP-specific plasma cells. |
Human tonsil macrophage isolation, monocyte-derived macrophage co-culture with B cells, CXCL10 neutralization, STAT3 inhibition, IP-10-deficient mouse immunization model |
The Journal of experimental medicine |
High |
22987802
|
| 2012 |
CXCL10 promotes osteolytic bone metastasis by facilitating CXCR3-expressing cancer cell recruitment to bone, promoting cancer cell adhesion to type I collagen, and augmenting RANKL-mediated osteoclast formation; cancer-bone colonization further amplifies host CXCL10 production via direct cancer cell–macrophage contact. |
Neutralizing CXCL10 antibody, CXCR3 knockout mice, in vivo bone metastasis model, adhesion assay to collagen I, osteoclast differentiation assay |
Cancer research |
Medium |
22562465
|
| 2012 |
CXCL10-CXCR3 axis mediates neutrophil-driven fulminant lung injury (ARDS); CXCL10 is produced by infiltrating pulmonary neutrophils via TRIF-dependent signaling; CXCL10-CXCR3 acts in an autocrine fashion on neutrophil oxidative burst and chemotaxis, amplifying pulmonary inflammation. CXCL10- or CXCR3-deficient mice show improved ARDS severity and survival. |
CXCL10 KO, CXCR3 KO, IFNAR1 KO, TRIF KO mice in acid-aspiration and influenza ARDS models; neutrophil CXCR3 expression analysis; in vivo survival studies |
American journal of respiratory and critical care medicine |
High |
23144331
|
| 2013 |
CXCL10 induction during HCV infection in hepatocytes proceeds via two independent, parallel pathways through TLR3 and RIG-I pattern recognition receptors; in pure hepatocyte cultures, CXCL10 induction is independent of type I and III IFNs, whereas non-parenchymal cell-derived IFNs contribute to CXCL10 induction in mixed PHH cultures; CXCL10 protein expression positively correlates with intracellular HCV Core antigen. |
TLR3/RIG-I functional or non-functional hepatocyte lines, IFN neutralization, immunodepletion of non-parenchymal cells, immunofluorescence correlation analysis |
Journal of hepatology |
Medium |
23770038
|
| 2014 |
Heparanase induction decreases CXCL10 levels in myeloma cells, and CXCL10 exerts tumor-suppressor and anti-angiogenic properties; recombinant CXCL10 attenuates myeloma and HUVEC proliferation in vitro, and CXCL10 overexpression or CXCL10-Ig fusion protein treatment markedly reduces myeloma xenograft growth in vivo. |
Inducible Tet-on heparanase system, soft agar colony assay, xenograft model, recombinant CXCL10 treatment, CXCL10-Ig fusion protein in vivo |
Leukemia |
Medium |
24699306
|
| 2014 |
MRP8/MRP14 (endogenous DAMP) induces IP-10/CXCL10 production in monocytes/macrophages via TLR4 and TRIF (not MyD88); full induction requires synergistic activation of both NF-κB and IRF3 transcription factors; MRP8/MRP14-induced chemotaxis of CXCR3+ cells depends on IP-10 production; neutralizing anti-MRP8 antibody in vivo prevents NF-κB/IRF3 activation and IP-10 production. |
THP-1 monocytes, TLR4 and TRIF/MyD88 pathway inhibition, NF-κB and IRF3 activation assays, CXCR3+ cell chemotaxis, mouse trauma/hemorrhagic shock model with neutralizing antibody |
FASEB journal |
Medium |
25342131
|
| 2015 |
MLK3 (mixed lineage kinase 3) mediates the release of CXCL10-laden extracellular vesicles from lipotoxic hepatocytes; CXCL10 is enriched in EVs from LPC-treated hepatocytes and colocalizes with EV marker CD63 in vesicular structures; MLK3 genetic deletion or pharmacological inhibition prevents CXCL10 enrichment in EVs; these CXCL10-bearing EVs induce macrophage chemotaxis, which is blocked by CXCL10-neutralizing antisera. |
Differential ultracentrifugation EV isolation, mass spectrometry, GFP-CXCL10/RFP-CD63 colocalization, MLK3 KO mice, MLK3 inhibitor, macrophage chemotaxis assay, CXCL10 neutralizing antisera |
Hepatology |
High |
26406121
|
| 2017 |
CXCL10 promotes hepatocellular carcinoma EMT and metastasis through MMP-2 as a downstream effector; CXCL10 overexpression enhances migration, invasion, and metastasis of HCC cells in vitro and in vivo, while CXCL10 silencing inhibits these, and microarray analysis identified MMP-2 as a downstream target of CXCL10. |
CXCL10 overexpression and shRNA silencing, in vitro migration/invasion assay, in vivo metastasis model, microarray analysis, MMP-2 validation |
American journal of translational research |
Medium |
28670372
|
| 2017 |
CXCL10 stimulates IFN-γ-primed human monocytes to robustly produce IL-12 and IL-23 via CXCR3 receptor engagement and IκB kinase / p38 MAPK signaling pathways; in a murine colitis model, anti-CXCL10 antibody treatment suppresses local myeloid-derived inflammatory cytokine production and reduces intestinal tissue damage. |
Human monocyte culture, CXCR3 blocking antibody, IKK and p38 MAPK inhibitors, cytokine ELISA; innate murine colitis model with anti-CXCL10 treatment |
Journal of leukocyte biology |
Medium |
28899907
|
| 2017 |
CXCL10 suppresses corneal hem- and lymph-angiogenesis through downregulation of MMP-13 (and VEGFa/c); MMP-13 is required for neovascularization but does not affect CXCL10 expression; CXCL10 and CXCR3 neutralization promotes angiogenesis, while AAV9-driven epithelial CXCL10 overexpression suppresses it. |
AAV9 CXCL10 overexpression, CXCL10/CXCR3 neutralization, MMP-13 inhibition, mouse corneal infection/suture neovascularization models |
Angiogenesis |
Medium |
28623423
|
| 2018 |
EZH2 and G9a cooperate and physically interact to epigenetically repress CXCL10 in IPF fibroblasts via H3K27me3 and H3K9me3 marks respectively; EZH2 knockdown reduces both EZH2/H3K27me3 and G9a/H3K9me3, and vice versa; TGF-β1 induces this interplay to repress CXCL10; EZH2/G9a inhibitors restore CXCL10 expression. |
ChIP, Re-ChIP, proximity ligation assay (EZH2-G9a interaction), siRNA knockdown, EZH2/G9a inhibitors, TGF-β1 treatment of primary fibroblasts |
American journal of respiratory cell and molecular biology |
High |
29053336
|
| 2019 |
Viperin (RSAD2) regulates chondrogenic differentiation by influencing secretion of CXCL10, which in turn modulates TGF-β/SMAD2/3 activity; viperin-CXCL10-TGF-β/SMAD2/3 axis is disturbed in cartilage-hair hypoplasia (CHH) chondrocytes; viperin is expressed in differentiating chondrocytes and controls protein secretion. |
siRNA silencing of viperin, plasmid overexpression, label-free MS proteomics of secretome, CXCL10 ELISA, promoter reporter assay, TGF-β/SMAD2/3 signaling readouts, immunohistochemistry |
The Journal of biological chemistry |
Medium |
30718282
|
| 2019 |
Leishmania major virulence factor GP63 cleaves CXCL10 after amino acid A81 at the base of its C-terminal α-helix, inactivating it; GP63 shows specificity for CXCR3-binding chemokines (CXCL10 and homologs) but not CXCL8 or CCL22; cleaved CXCL10 cannot signal through CXCR3 and fails to support T cell chemotaxis in vitro; cleavage is produced by both extracellular promastigotes and intracellular amastigotes. |
Recombinant GP63 cleavage assay, mass spectrometry cleavage site mapping, CXCR3 chemotaxis assay, substrate specificity panel with multiple chemokines, amastigote/promastigote stage-specific analysis |
Frontiers in cellular and infection microbiology |
High |
31440475
|
| 2020 |
hCG inhibits CXCL10 expression in endometrial stromal/decidual cells by inducing EZH2-mediated H3K27me3 histone methylation at Region 4 of the CXCL10 promoter; hCG-mediated CXCL10 suppression reduces CD8 T cell recruitment to decidua. |
In vitro decidual cell treatment with hCG, ChIP for H3K27me3, EZH2 inhibition, CXCL10 promoter deletion analysis, CD8 T cell migration assay |
Scientific reports |
Medium |
32238853
|
| 2021 |
Plasmodium falciparum inhibits CXCL10 synthesis in monocytes by disrupting ribosome association with CXCL10 transcripts (translational suppression); the underlying mechanism involves RNA cargo delivery into monocytes triggering RIG-I, leading to HuR binding to an AU-rich domain in the CXCL10 3′UTR; conversely, high CXCL10 levels signal P. falciparum to accelerate growth as a survival strategy. |
Ribosome profiling/polysome analysis, RNA cargo delivery assay, RIG-I signaling assay, RIP assay (HuR binding to CXCL10 3′UTR), AU-rich element identification, parasite growth acceleration assay |
Nature communications |
High |
34381047
|
| 2022 |
MEK inhibitor combined with PEM/CDDP chemotherapy triggers CXCL10 secretion from cancer cells through optineurin (OPTN)-dependent mitophagy, mitochondrial DNA release, and TLR9 signaling; TLR9 or autophagy/mitophagy inhibition abolishes CXCL10 induction and anti-tumor efficacy. |
Drug screening, OPTN KO, TLR9 inhibition, mitophagy inhibitors, mitochondrial DNA depletion, CXCL10 ELISA, in vivo lung tumor models |
Cancer cell |
High |
35051357
|
| 2023 |
MLKL regulates macrophage M1 polarization in acute pancreatitis through CXCL10 secretion from pancreatic acinar cells; MLKL knockout attenuates AP and reduces M1 macrophage polarization; neutralization of CXCL10 in vitro impairs conditioned-medium-driven M1 polarization, and in vivo CXCL10 neutralization reduces M1 macrophage polarization and AP severity; MLKL acts independently of RIPK3 in this pathway. |
Mlkl KO and Ripk3 KO mice, cerulein/LPS AP model, primary acinar cell isolation, conditioned medium, CXCL10 neutralizing antibody in vitro and in vivo, macrophage polarization assays |
Cell death & disease |
Medium |
36828808
|