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Mediates NK cell adhesion and triggers NK cell effector functions. Binds two different NK cell receptors: CD96 and CD226. These interactions accumulates at the cell-cell contact site, leading to the formation of a mature immunological synapse between NK cell and target cell. This may trigger adhesion and secretion of lytic granules and IFN-gamma and activate cytotoxicity of activated NK cells. May also promote NK cell-target cell modular exchange, and PVR transfer to the NK cell. This transfer is more important in some tumor cells expressing a lot of PVR, and may trigger fratricide NK cell activation, providing tumors with a mechanism of immunoevasion. Plays a role in mediating tumor cell invasion and migration.; (Microbial infection) Acts as a receptor for poliovirus. May play a role in axonal transport of poliovirus, by targeting virion-PVR-containing endocytic vesicles to the microtubular network through interaction with DYNLT1. This interaction would drive the virus-containing vesicle to the axonal retrograde transport.; (Microbial infection) Acts as a receptor for Pseudorabies virus.; (Microbial infection) Is prevented to reach cell surface upon infection by Human cytomegalovirus /HHV-5, presumably to escape immune recognition of infected cell by NK cells.
Gene References into Functions
These findings highlight the importance of the TIGIT/CD226/PVR axis as an immune checkpoint barrier that could hinder future "cure" strategies requiring potent HIV-specific CD8(+) T cellsPMID:28084312
Study investigated the more detailed mechanism for this cis-interaction of Necl-5 with the PDGF receptor beta. Necl-5 contains three Ig-like domains and the PDGF receptor beta contains five Ig-like domains at their extracellular regions; showed that the third Ig-like domain of Necl-5 cis-interacted with the fifth Ig-like domain of the PDGF receptor beta.PMID:29431243
Studied association of poliovirus receptor (PVR/CD155) mutation and cleft lip and cleft palate. Validated previous findings that PVR/CD155 markers are associated with cleft lip and palate.PMID:29381645
The authors demonstrate that HIV and specifically Nef and/or Vpu do not modulate CD155 on infected primary T cells and both CD155 and NKG2D ligands synergize as a natural killer cell receptor to trigger natural killer cell lysis of the infected cell.PMID:27296670
Data show that gastric cancer cells inhibit T-cell metabolism through CD155/TIGIT signaling.PMID:28883004
Studies showed that CD155 was frequently overexpressed in human malignant tumors. Its overexpression promotes tumor cell invasion and migration, and is associated with tumor progression. [review]PMID:28730595
soluble CD226 elevated in sera of CTCL patients would be important for tumor immunity by interacting with CD155 on tumor cells.PMID:28395975
data reveal that MICA and PVR are directly regulated by human cytomegalovirus immediate early proteins, and this may be crucial for the onset of an early host antiviral responsePMID:27733551
The SNP detection assay was successfully developed for identification of Ala67Thr polymorphism in human PVR/CD155 gene. The SNP assay will be useful for large scale screening of DNA samples.PMID:27834324
sCD155 levels were significantly decreased after surgical resection of cancers. Thus, sCD155 level in serum may be potentially useful as a biomarker for cancer development and progressionPMID:27049654
implying that TIGIT exerts immunosuppressive effects by competing with DNAM-1 for the same ligand, CD155PMID:26842126
The present study provides evidence that regulation of the PVR/CD155 DNAM-1 ligand expression by nitric oxide may represent an additional immune-mediated mechanism and supports the anti-myeloma activity of nitric oxide donors.PMID:25609078
Our findings suggest that loss of CD155 expression may play an important role in the immune escape of HCC cells and thus CD155 may serve as a prognostic marker as well as a potential therapeutic target for HCC.PMID:25320021
CD155 may play a critical role through both immunological and non-immuno logical mechanisms in pancreatic cancer and may be a therapeutic target for this intractable malignancy.PMID:25862891
CD155 (PVR/Necl5) mediates a costimulatory signal in CD4+ T cells and regulates allergic inflammation.PMID:25972481
The cell-surface receptor (Pvr) catalyzes a large structural change in the poliovirus that exposes membrane-binding protein chains.PMID:25631086
In granulosa cells, there are significant changes in expression during follicular maturation.PMID:24828608
UPR decreases CD226 ligand CD155 expression and sensitivity to NK cell-mediated cytotoxicity in hepatoma cells.PMID:25209846
Ala residues 10, 14 and 18 in the TM domain of Vpu are required for CD155 downregulation.PMID:25113908
TIGIT/PVR ligation signaling mediates suppression of IFN-gamma production via the NF-kappaB pathway.PMID:24817116
UL141 can inhibit cell-surface expression of both natural killer (NK) cell-activating ligand CD155 as well as TRAIL death receptors (TRAIL-R1 and TRAIL-R2).PMID:24598754
Vpr upregulates PVR during Hiv-1 infection by activating ATR kinase that triggers the DNA damage rsponse pathway and G2 arrest.PMID:24045107
The CD226/CD155 interaction regulates the proinflammatory (Th1/Th17)/anti-inflammatory (Th2) balance in humans.PMID:23980210
PVR resides in the recently identified lateral border recycling compartment, similar to PECAM and CD99.PMID:23333754
findings suggest Necl-5 expression in lung cancer cells is crucial for their invasiveness in the cancer-stromal interactionPMID:23276719
The concordant computational and experimental data of the present study indicate that the extent of NECL-5 expression correlates with melanoma progression.PMID:22929570
we demonstrated the expression of both CD155 mRNA and protein in bone and soft tissue sarcoma cell linesPMID:22692919
Expression of PVR in B-ALL cells is modulated by epigenetic mechanisms.PMID:22169283
This investigation has enhanced understanding of cell invasion and confirmed CD44 to play a more significant role in this biological process than CD155.PMID:22363471
the PVR downmodulation by Nef and Vpu is a strategy evolved by HIV-1 to prevent NK cell-mediated lysis of infected cells.PMID:22301152
Data show that a high expression of CD112 and CD155 (DNAM-1 ligands) on leukemic blasts.PMID:21383766
The host TICAM-1 pathway, particularly in macrophages, serves as a source of type I interferon induction that protects poliovirus (PV) receptor-bearing transgenic mice from PV infection and paralytic death.PMID:21998457
CD155 is an IFNgamma-inducible immune regulatory protein on the surface of human endothelial cells that attenuates the acquisition of effector functions in CD8 T cells.PMID:21330602
Necl-5 plays a role in mediating tumor cell invasion and that the overexpression of Necl-5 in cancer cells has clinical significance for prognostic evaluation of patients with primary pulmonary adenocarcinoma.PMID:20331633
We propose that the cytoplasmic domain may target CD155-containing endocytic vesicles to the microtubular networkPMID:11751937
activation of expression of sonic hedgehog proteinPMID:11983699
Data show that both PVR and Nectin-2 represent specific ligands for the DNAM-1 triggering receptor.PMID:12913096
CD155 may have an important role in cellular functionPMID:12943679
These data indicate that Tage4 represents the functional orthologue of CD155 in mouse.PMID:14652024
that DNAM-1 regulates monocyte extravasation via its interaction with CD226 expressed at endothelial junctions on normal cells.PMID:15136589
These results suggest that CD155alpha plays a role in the regulation of cell adhesion and cell motility.PMID:15194502
cytoplasmic domain of PVR directly interacts with Tctex-1 and plays an important role in retrograde transport of poliovirus-containing vesicles along microtubules in vivoPMID:15194795
Upregulation of the molecular target CD155 renders explant cultures of high-grade malignant gliomas highly susceptible to a prototype oncolytic poliovirus recombinant.PMID:15279713
Analysis of the ligands for triggering NK receptors revealed the consistent expression of cd155 and cd112 in myeloid leukemias, and less frequent expression in lymphoblastic leukemiasPMID:15536144
Evasion of NK cell killing was mediated by human cytomegalovirus UL141 blocking surface expression of CD155PMID:15640804
Necl-5 has a critical role in integrin alphavbeta3 clustering and focal complex formationPMID:17446174
Results describe the establishment of a poliovirus oral infection system in human poliovirus receptor-expressing transgenic mice that are deficient in alpha/beta interferon receptor.PMID:17507470
no statistically significant association between this marker allele and non-syndromic cleftingPMID:17534374
CD155, at least in part, enhances the proliferation of ras-mutated cellsPMID:17893876
crystal structure of C155 D1D2 has been determined to 3.5-A resolution and fitted into approximately 8.5-A resolution cryoelectron microscopy reconstructions of the virus-receptor complexes for the 3 PV serotypesPMID:19011098
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Subcellular Location
[Isoform Alpha]: Cell membrane; Single-pass type I membrane protein.; [Isoform Delta]: Cell membrane; Single-pass type I membrane protein.; [Isoform Beta]: Secreted.; [Isoform Gamma]: Secreted.