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PubMed Journals Articles About "Elevated Expression TIGIT Cells Correlates With Disease Activity" RSS

02:54 EDT 20th September 2018 | BioPortfolio

Elevated Expression TIGIT Cells Correlates With Disease Activity PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Elevated Expression TIGIT Cells Correlates With Disease Activity articles that have been published worldwide.

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Showing "Elevated expression TIGIT cells correlates with disease activity" PubMed Articles 1–25 of 60,000+

Expression of TIGIT and FCRL3 is Altered in T Cells from Patients with Distinct Patterns of Chronic Autoimmune Thyroiditis.

Co-inhibitory receptors (IR), such as TIGIT and FCRL3, provide a checkpoint against highly destructive immune responses. Co-expression of TIGIT and FCRL3, in particular, has been linked to the HELIOS subset of regulatory CD4FOXP3T-cells. Of these, CD4FOXP3-exon(E)2 cells have higher expression of IR and exhibit strongest suppressive properties. Nevertheless, how the expression of TIGIT, FCRL3, HELIOS, and FOXP3E2 is regulated in chronic autoimmune thyroiditis (AT), is not known.


TIGIT-Fc alleviates acute graft-versus-host disease by suppressing CTL activation via promoting the generation of immunoregulatory dendritic cells.

Graft-versus-host disease (GVHD) is the most common complication and major limitation of allogeneic hematopoietic stem cell transplantation. The CD226/TIGIT-CD155 signal is critical for the cross-talk between T cells and dendritic cells (DCs). Studies have shown that blockade of the CD226-CD155 interaction, using an anti-CD226 antibody, can significantly ameliorate GVHD. It has also been reported that a TIGIT-Fc fusion protein exerts immunosuppressive effects by binding to CD155 on DCs. Here, we used a mous...

TX99 Is a Neutralizing Monoclonal Antibody Against Mouse TIGIT.

T cell immunoglobulin and ITIM domains (TIGIT) is an inhibitory immunoreceptor expressed on NK cells, effector and memory T cells, and regulatory T cells (Tregs). The ligands for TIGIT are CD155 (PVR) and CD112 (PVRL2, nectin-2), which are broadly expressed on hematopoietic cells and nonhematopoietic cells. TIGIT negatively regulates antitumor responses, but promotes autoimmune reaction. Although neutralizing anti-human TIGIT mAbs are under clinical trials for cancers, how the blockade of TIGIT interaction ...


Functional Anti-TIGIT Antibodies Regulate Development of Autoimmunity and Antitumor Immunity.

Coinhibitory receptors, such as CTLA-4 and PD-1, play a critical role in maintaining immune homeostasis by dampening T cell responses. Recently, they have gained attention as therapeutic targets in chronic disease settings where their dysregulated expression contributes to suppressed immune responses. The novel coinhibitory receptor TIGIT (T cell Ig and ITIM domain) has been shown to play an important role in modulating immune responses in the context of autoimmunity and cancer. However, the molecular mecha...

Long noncoding RNA SNHG1 promotes neuroinflammation in Parkinson's disease via regulating miR-7/NLRP3 pathway.

Parkinson's disease (PD) is the second most common neurodegenerative disorders. Neuroinflammation plays an important role in the pathogenesis of PD. Long noncoding RNA small nucleolar RNA host gene 1 (SNHG1) was elevated in the brain specimens of PD patients and MPP+-treated SH-SY5Y cells. The expression of mouse Snhg1 and miR-7 was firstly determined in lipopolysaccharide (LPS)-induced BV2 cells. The role and mechanism of SNHG1 in the neuroinflammation of PD were investigated by using gain- and loss-of fun...

Increased frequency of CCR7CD4 T cells from patients with primary Sjögren's syndrome: An indicator of disease activity rather than of damage severity.

Expression of CCR7 on T cells has been reported to be associated with the lymphocytic migration and infiltration, which is recognized as a vital part of the pathogenesis of Primary Sjögren's syndrome (pSS). Here, we compared the expression of CCR7 on CD4+T cells between pSS patients and control groups, including healthy donors (HD) and patients with systemic lupus erythematosus (SLE) and examined correlations with disease activity and damage severity, which were evaluated by EULAR Sjögren's Syndrome Disea...

MicroRNA-128 inhibits proliferation and invasion of glioma cells by targeting COX-2.

MicroRNAs (miRNA), a class of small noncoding RNAs, regulates message RNA (mRNA) by targeting the 3'-untranslated region (3'-UTR) resulting in suppression of gene expression. In this study, we identified the expression and function of miR-128, which was found to be downregulated in glioma tissues and glioma cells by real time PCR. Overexpression of miR-128 mimics into LN229 and U251 cells could inhibit proliferation and invasion of glioma cells. However, the inhibitory effects of miR-128 mimics on the invas...

Elevated frequency of IL-37- and IL-18Rα-positive T cells in the peripheral blood of rheumatoid arthritis patients.

To detect the expression of IL-37 and its receptors IL-18Rα and IL-1R8 in CD4T cells and total lymphocytes in rheumatoid arthritis (RA) patients and the relationship between autoantibodies and disease activity. To investigate the mechanism of IL-37 and its receptors involved in the pathogenesis of RA. To evaluate the effects of different concentrations of rhIL-37 on peripheral blood mononuclear cells (PBMCs) in RA patients with TNF-α, and IL-6.

Influence of elevated temperature on bovine oviduct epithelial cells (BOECs).

The aim of this study was to evaluate the influence of elevated temperature on bovine oviduct epithelial cells (BOECs), based on the expression and localization of both heat shock protein 70 (HSP70), responsible for the cellular defence mechanism, and oviduct specific glycoprotein 1 (OVGP1) which is the most important embryotrophic protein. BOECs were cultured alone and co-cultured with cattle embryos at control (38.5°C) and elevated temperature (41°C) for 168 h. The elevated temperature had no effect on ...

Serum leucine-rich α2-glycoprotein is elevated in patients with systemic lupus erythematosus and correlates with disease activity.

We evaluated whether serum leucine-rich α2-glycoprotein (LRG) is associated with disease activity in patients with systemic lupus erythematosus (SLE).

Analysis of PD-1 and Tim-3 expression on CD4T cells of patients with rheumatoid arthritis; negative association with DAS28.

Expression of T cell immunoglobulin and mucin-domain containing-3 (Tim-3) and programmed cell death-1 (PD-1) was studied on CD4T cells of patients with rheumatoid arthritis (RA). Association of Tim-3 and PD-1 expression with disease activity of RA patients was also addressed. A total of 37 RA patients and 31 sex- and age-matched healthy controls were included in this study. Disease activity of RA patients was determined by Disease Activity Score of 28 joints scoring system (DAS28). A three-color flow cytome...

B-cell activity markers are associated with different disease activity domains in primary Sjögren's syndrome.

B-cell activating factor (BAFF), β-2 microglobulin (β2M) and serum free light chains (FLCs) are elevated in primary SS (pSS) and associated with disease activity. We aimed to investigate their association with the individual disease activity domains of the EULAR Sjögren's Syndrome Disease Activity Index (ESSDAI) in a large well-characterized pSS cohort.

Extracellular calcium increases fibroblast growth factor 2 gene expression via extracellular signal-regulated kinase 1/2 and protein kinase A signaling in mouse dental papilla cells.

We previously reported that elevated extracellular calcium (Ca2+) levels increase bone morphogenetic protein 2 expression in human dental pulp (hDP) cells. However, it is unknown whether extracellular Ca2+ affects the expression of other growth factors such as fibroblast growth factor 2 (FGF2). The present study aimed to examine the effect of extracellular Ca2+ on FGF2 gene expression in hDP and immortalized mouse dental papilla (mDP) cells. Cells were stimulated with 10 mM CaCl2 in the presence or absence ...

Chronic Cigarette Smoke Exposure Subdues PP2A Activity by Enhancing Expression of the Oncogene CIP2A.

Phosphatase activity of the major serine threonine phosphatase, protein phosphatase 2A (PP2A), is blunted in the airways of chronic obstructive pulmonary disease (COPD) subjects, which results in heightened inflammation and proteolytic responses. The objective of this study was to investigate how PP2A activity is modulated in COPD airways. PP2A activity and endogenous inhibitors of PP2A were investigated in animal and cell models of COPD. In primary human bronchial epithelial (HBE) cells isolated from smoke...

MYC inhibition increases PD-L1 expression induced by IFN-γ in hepatocellular carcinoma cells.

The effectiveness of immunotherapy targeting the immune checkpoint PD-L1/PD-1 pathway highlights importance of elucidating the regulatory mechanisms of PD-L1 expression in cancer cells. Previous studies demonstrate that oncogene MYC up-regulates PD-L1 expression in lymphomas. In the present study, we investigated the regulatory role of MYC in the PD-L1 expression induced by IFN-γ in HCC cells. Unexpectedly, knockdown of MYC expression using siRNA assay increased the inducible expression of PD-L1 both at mR...

Serum levels of IL-17 are elevated in patients with acute gouty arthritis.

Acute gouty arthritis (AGA) is one of the most common forms of auto-inflammatory arthritis. IL-17 is a key proinflammatory cytokine which has been implicated in several autoimmune diseases. However, to date little is known about the role of IL-17 in AGA. In the present study, we show that serum IL-17 levels are significantly elevated in AGA patients early in the onset of symptoms of gout, and decrease gradually as symptoms diminish. Correlation analysis indicated that IL-17 expression is not only positively...

Early Reconstitution of NK and Γδ T Cells and Its Implication for the Design of Post-Transplant Immunotherapy.

Relapse is the most frequent cause of treatment failure after allogeneic hematopoietic stem cell transplantation (allo-HCT). NK cells and γδ T cells reconstitute early after allo-HCT, contribute to tumor immunosurveillance via MHC independent mechanisms and do not induce graft-versus-host disease (GVHD). Here we performed a quantitative and qualitative analysis of the NK and γδ T cell repertoire in healthy individuals, recipients of HLA-matched sibling or unrelated donor allo-HCT (MSD/MUD-HCT) and umbil...

TIGIT iTregs elicited by human regulatory macrophages control T cell immunity.

Human regulatory macrophages (Mreg) have shown early clinical promise as a cell-based adjunct immunosuppressive therapy in solid organ transplantation. It is hypothesised that recipient CD4 T cell responses are actively regulated through direct allorecognition of donor-derived Mregs. Here we show that human Mregs convert allogeneic CD4 T cells to IL-10-producing, TIGIT FoxP3-induced regulatory T cells that non-specifically suppress bystander T cells and inhibit dendritic cell maturation. Differentiation of ...

Effect of amyloid beta on ATP-binding cassette transporter expression and activity in porcine brain microvascular endothelial cells.

Deposition of amyloid-β peptide (Aβ) within the brain is characteristic of Alzheimer's disease. Little is known of the effects of Aβ on blood-brain barrier (BBB) ATP-binding Cassette (ABC) efflux transporters which influence BBB permeability. The effects of Aβ on ABCB1, ABCC5 and ABCG2 activity and expression and pregnane X receptor (PXR) and constitutive androstane receptor (CAR) transcription factors expression were determined in primary porcine brain endothelial cells (PBECs).

p66Shc regulates migration of castration-resistant prostate cancer cells.

Metastatic castration-resistant (CR) prostate cancer (PCa) is a lethal disease for which no effective treatment is currently available. p66Shc is an oxidase previously shown to promote androgen-independent cell growth through generation of reactive oxygen species (ROS) and elevated in clinical PCa and multiple CR PCa cell lines. We hypothesize p66Shc also increases the migratory activity of PCa cells through ROS and investigate the associated mechanism. Using the transwell assay, our study reveals that the ...

Elevated phospholipase D activity in androgen-insensitive prostate cancer cells promotes both survival and metastatic phenotypes.

Prostate cells are hormonally driven to grow and divide. Typical treatments for prostate cancer involve blocking activation of the androgen receptor by androgens. Androgen deprivation therapy can lead to the selection of cancer cells that grow and divide independently of androgen receptor activation. Prostate cancer cells that are insensitive to androgens commonly display metastatic phenotypes and reduced long-term survival of patients. In this study we provide evidence that androgen-insensitive prostate ca...

Epigallocatechin-3-gallate partially restored redox homeostasis in arsenite-stressed keratinocytes.

Arsenite (AsIII) is known for inducing severe oxidative stress and skin carcinogenesis. Contrastingly, phytochemical, epigallocatechin-3-gallate (EGCG) combats toxic insults. Our study focused on the effect of EGCG on redox status of AsIII-stressed normal human keratinocytes, HaCaT cells. EGCG (50 μm) increased the cell viability by 29% in AsIII (50 μm) insulted HaCaT cells but exhibited pro-oxidant activity by elevated expression of the oxidative stress markers. EGCG was effective not only in reducing ...

Regulation of glucosylceramide synthesis by Golgi-localized phosphoinositide.

Phosphoinositides mediate a large number of signaling processes in mammalian cells. Here, we report that phophatidylinositol-4-phosphate (PtdIns(4)P) downregulates the cellular glucosylceramide (GlcCer) level by inhibiting the interaction between GlcCer synthase (UGCG) and UDP-glucose in the Golgi apparatus. In this study, we used two PH domain probes to bind phosphoinositides; one derived from FAPP1 for targeting to the Golgi PtdIns(4)P and the other from PLC δ for targeting to the plasma membrane PtdIns(...

Elevated expression of TSLP and IL-33 in Behçet's disease skin lesions: IL-37 alleviate inflammatory effect of TSLP.

The release of TSLP and IL-33 affect the skin integrity, which unsettled transcription factor regulators. We investigate TSLP and IL-33 in Behçet disease (BD) and we prove the effect of the anti-inflammatory cytokine IL-37 in BD skin lesions on TSLP production. TSLP, IL-33 and GATA-3/T-bet, were measured using PCR in BD skin lesions. We tested the suppressive effect of IL-37 on skin samples stimulated with a cytokine mixture inducing TSLP expression. TSLP and IL-33 were increased in BD patients particularl...

Fecal Calprotectin During Pregnancy in Women With Moderate-Severe Inflammatory Bowel Disease.

Fecal calprotectin (FC) is a biomarker used for assessing disease activity among IBD patients. Sparse knowledge exists as to whether FC correlates with clinical disease activity during pregnancy. Our aim was to assess FC and selected biomarkers in women with moderate-severe IBD and correlate them with clinical disease activity scores in pregnant women.


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