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

16:47 EDT 24th June 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+

Elevated expression of PD‑1 on T cells correlates with disease activity in rheumatoid arthritis.

It is well known that lymphocytes are important in rheumatoid arthritis (RA). Programmed cell death-1 (PD‑1) is one of the immunosuppressive costimulatory molecules, which mediates an inhibitory effect. However, its role in RA remains to be fully elucidated. In the present study, the expression levels of PD‑1 on T cells in the peripheral blood (PB) and synovial fluid (SF) were determined using flow cytometry. In addition, the expression levels of PD‑1 on T cells in the PB and SF of patients with RA w...


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.

Increased expression and modulated regulatory activity of co-inhibitory receptors PD-1, TIGIT and TIM-3 in lymphocytes of systemic sclerosis patients.

Immune dysfunction is an important component of the disease process underlying Systemic Sclerosis (SSc), but the mechanisms contributing to altered immune cell function in SSc remain poorly defined. Here, we measured the expression and function of the co-inhibitory receptors (co-IRs) PD-1, TIGIT, TIM-3, and LAG-3 in lymphocyte subsets from the peripheral blood of SSc patients.


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...

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 ...

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 ...

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...

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...

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 ...

Involvement of LPA receptor-5 in the enhancement of cell motile activity by phorbol ester and anticancer drug treatments in melanoma A375 cells.

Lysophosphatidic acid (LPA) signaling through six subtypes of LPA receptors (LPA1 to LPA6) regulates a variety of biological responses in cancer cells. The aim of our study was to evaluate an involvement of LPA receptors in the activation of cell motility by phorbol ester and anticancer drug treatments in melanoma A375 cells. Cells were treated with 12-O-tetradecanoylphorbol- 13-acetate (TPA) and phorbol-12,13-dibutyrate (PDBu) for 3 days. The cell motile activity of TPA treated cells was significantly hi...

Protection against the Neurotoxic Effects of β-Amyloid Peptide on Cultured Neuronal Cells by Lovastatin Involves Elevated Expression of α7 Nicotinic Acetylcholine Receptors and Activating Phosphorylation of Protein Kinases.

The treatment of neurodegenerative diseases with statins has drawn increasing attention, but the related molecular mechanisms remain elusive. To examine the pleiotropic cholesterol-independent effects of statins in connection with the treatment of Alzheimer disease, we probed the influence of lovastatin on the metabolism of amyloid precursor protein (APP) , expression of nicotinic acetylcholine receptors (nAChRs), and activity of mitogen-activated protein kinase in primary cultured neurons and SH-SY5Y cells...

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...

Increased expression of Th17 cytokines and interleukin-22 correlates with disease activity in pristane-induced arthritis in rats.

The objective of this study was to identify the key changed subtype of T helper cells (Th cells) and their cytokines in pristane-induced arthritis (PIA) in rats. The severity of arthritis was evaluated by body weight, clinical score, the perimeter of ankle and mid-paw and histological assessment of ankle joints. Cytokines of Th1, Th2 and Th17 were determined in the spleen and inguinal lymph nodes at 28 days after pristane injection by real-time qPCR. The mRNA levels of IL-22 receptors, IL-22R1 and IL-22BP, ...

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.

Role of statins and mevalonate pathway on impaired HDAC2 activity induced by oxidative stress in human airway epithelial cells.

In patients with chronic obstructive pulmonary disease (COPD) the inflammatory response is often steroid-resistant, likely since oxidative stress and cigarette smoking impair histone deacetylase 2 (HDAC2) activity. Since it has been demonstrated that statins may restore the HDAC2 activity in cultured human endothelial cells, the aim of this study was to investigate the effects of statins in reversing the steroid-resistance induced by oxidative stress. We evaluated the effects of simvastatin and dexamethason...

Elevated expression of activated TH2 cells and milk-specific TH2 cells in milk-induced eosinophilic esophagitis.

Eosinophilic esophagitis (EoE) is an allergic inflammatory disease that is triggered by food allergens and characterized by progressive esophageal dysfunction. Esophageal biopsy specimens are characterized by eosinophilia and expression of TH2 cytokines.


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