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17:26 EST 23rd January 2020 | BioPortfolio

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Showing PubMed Articles 1–25 of 546 from Cytokine

Secreted protein acidic and rich in cysteine and cancer: A homeostatic hormone?

Effects of maternal and fetal vascular endothelial growth factor a single nucleotide polymorphisms on pre-eclampsia: A hybrid design study.

Maternal and fetal gene variants play important roles in the pathology of pre-eclampsia (PE), but most studies investigating the associations between vascular endothelial growth factor A (VEGF-A) gene variates and PE focusing on maternal genetic effects. The present study firstly used a hybrid case-parent and control-mother study design investigating the both maternal and fetal effects of VEGF-A gene polymorphisms on PE among Han Chinese pregnant women. This study recruited 221 PE patients with their partne...

Promoter polymorphisms in IL-6 gene influence pro-inflammatory cytokines for the risk of osteoarthritis.

Interleukin-6 (IL-6) gene regulates IL-6 levels, interplay of which has been found to influence pathophysiology of osteoarthritis (OA). Polymorphism within promoter region of IL-6 gene and its association with plasma levels of pro-inflammatory cytokines; IL-6, interleukin 1-beta (IL-1β) and tumor necrosis factor-alpha (TNF-α) remained to be investigated in Punjab region of India, where OA is highly prevalent.

Hypoxia upregulates Cxcl12 in hepatocytes by a complex mechanism involving hypoxia-inducible factors and transforming growth factor-β.

Cxcl12, or stromal-derived factor-1, is a chemokine produced by several hepatic cell types, including hepatocytes, after liver injury and surgical resection. Studies have revealed that Cxcl12 is important for regeneration of the liver after surgical resection and for development of liver fibrosis during chronic liver injury. While the function of Cxcl12 in the liver is well established, the mechanism by which Cxcl12 is upregulated is not fully understood. Because regions of hypoxia develop in the liver foll...

Interleukin-17 mRNA expression and serum levels in Behçet's disease.

Behçet's disease (BD) was considered a T-helper 1 (Th1)-mediated autoimmune disease, but with the introduction of Th17 cells, their role in the pathogenesis of BD was also addressed. Despite studies on IL-17 in BD, the prognostic value of this cytokine in BD is unclear. The aim of this study is to determine the IL-17 mRNA expression rate and serum levels in patients with BD and its correlation with clinical manifestations and activity of BD. Forty-six BD patients in the active phase of the disease and 70 h...

Ocular toxoplasmosis associated with up-regulation of miR-155-5p/miR-29c-3p and down-regulation of miR-21-5p/miR-125b-5p.

Ocular toxoplasmosis (OT) is one of the most common manifestations of Toxoplasma gondii infection and can be related with congenital or acquired infections. OT cause posterior uveitis that cause serious sequelae as complete loss of vision. microRNAs (miRNAs) are small non-coding RNAs, which have regulatory roles in cells by silencing messenger RNA. This study evaluated gene expression of miR-155-5p, miR-146a-5p, miR-21-5p, miR-29c-3p and miR-125b-5p in plasma of 51 patients with ocular toxoplasmosis (OT Gro...

Immunostimulatory effect of chitosan conjugated green copper oxide nanoparticles in tumor immunotherapy.

Current study demonstrates the immunogenic role of biopolymer coated green synthesized copper oxide nanoparticles by the induction of cellular immunity through the activation immune cells. Alongside humoral immunity response was triggered by the surface coated NPs through IgG response which indicate the adjuvanic role of the nano conjugate. Th1 (Type 1 and Type 2 helper T cells) and Th2 cells were activated after the treatment with nano conjugate and act as an immunostimulant which would inhibit the prolife...

IκBζ controls NLRP3 inflammasome activation via upregulation of the Nlrp3 gene.

Inflammasome activation induces the maturation and secretion of interleukin (IL)-1β and -18, and is dependent on NF-κB signaling to induce the transcription of the inflammasome components, called the priming step. This study elucidated the role of IκBζ, an atypical IκBs (inhibitor of κB) and a coactivator of NF-κB target genes, on the activation of inflammasome. Bone marrow-derived macrophages (BMDMs) that originated from IκBζ-encoding Nfkbiz gene depletion mice presented a defect in NLRP3 inflamma...

Macrophage activity is associated with gingival inflammation: Soluble CD163 in an experimental gingivitis study.

This study aimed to investigate the association between gingival inflammation and levels of soluble CD163 (sCD163), a macrophage-specific marker associated to inflammation, in young adults participating in an experimental gingivitis study.

Bulk and single cell transcriptomic data indicate that a dichotomy between inflammatory pathways in peripheral blood and arthritic joints complicates biomarker discovery.

Unbiased studies using different genome-wide methods have identified several novel biomarkers for diagnosis and treatment response in Rheumatoid Arthritis (RA). However, clinical translation has proven difficult. Here, we hypothesized that one reason could be that inflammatory responses in peripheral blood are different from those in the arthritic joint.

ER stress contributes to autophagy induction by adiponectin in macrophages: Implication in cell survival and suppression of inflammatory response.

Adiponectin, the most abundant adipokine, exhibits various physiological functions. In addition to its critical role in lipid metabolism, recent studies have demonstrated its potent anti-inflammatory and cytoprotective properties. Accumulating evidence suggests that autophagy plays a critical role in various biological responses by adiponectin. However, the underlying mechanisms remain elusive. Herein, we investigated the role of ER stress in adiponectin-induced autophagy and its functional roles in biologi...

Gastric IL-1β, IL-8, and IL-17A expression in Moroccan patients infected with Helicobacter pylori may be a predictive signature of severe pathological stages.

Helicobacter pylori induces acute gastritis that can progress to serious diseases such as gastric cancer. H. pylori interacts with host cells within the gastric mucosa, resulting in activation of multiple innate immune signalling pathways, leading to pro-inflammatory cytokines production and immune cells recruitment. Various studies have shown that there are ethnic- and population-related differences in the expression of these cytokines. Although the H. pylori infection is a major public health problem in M...

Agomelatine could prevent brain and cerebellum injury against LPS-induced neuroinflammation in rats.

Sepsis, systemic hyper-inflammatory immune response, causes the increase of morbidity and mortality rates due to multi-organ diseases such as neurotoxicity. Lipopolysaccharide (LPS) induces inflammation, oxidative stress and apoptosis to cause brain damage. We aimed to evaluate the antioxidant, anti-inflammatory and antiapoptotic effects of Agomelatine (AGM) on LPS induced brain damage via NF-kB signaling. Twenty-four animals were divided into three groups as control, LPS (5 mg/kg) and LPS + AGM (20 mg/...

Chemokines in human obesity.

Obesity and type 2 diabetes have been shown to be associated with chronic inflammation. Despite extensive evidence for inflammatory mediators in the obese patients and multiple clinical trials, the outcome has been disappointing. In murine models recruitment of immune cells during inflammation has been shown to contribute to the chronic inflammation. Clearcut evidence for the differential expression of chemokines that mediate this recruitment is not available. In this short review we discuss the observation...

Effects of daphnetin on the autophagy signaling pathway of fibroblast-like synoviocytes in rats with collagen-induced arthritis (CIA) induced by TNF-α.

Daphnetin (DAP), an active ingredient extracted from Daphne odora, has pharmacological effects such as anti-inflammatory, antioxidation and anti-tumor properties. The current study aims to investigate the relationship between the anti-rheumatoid effect of DAP and the inhibition of both the PI3K/AKT/mTOR and autophagy signaling pathways. DAP inhibited the proliferation of CIA-FLS in a dose-dependent manner and induce apoptosis, accelerated the G1/G0 phase and inhibited the S phase. DAP reduced the phosphoryl...

Extremely high levels of multiple cytokines in the cord blood of neonates born to mothers with systemic autoimmune diseases.

Most infants born to mothers with autoimmune diseases are thought to be entirely healthy. However, the immunological conditions have not been examined thoroughly. Fourteen neonates born to mothers with systemic autoimmune diseases, namely systemic lupus erythematosus, mixed connective tissue disease, Sjögren's syndrome, rheumatoid arthritis, and systemic sclerosis, were included. Serum concentrations of 17 cytokines from the infants' umbilical artery (UA) and vein (UV) and from the mothers' peripheral bloo...

Dehydroepiandrosterone resisted E. Coli O157:H7-induced inflammation via blocking the activation of p38 MAPK and NF-κB pathways in mice.

Dehydroepiandrosterone (DHEA), a critical metabolite in cholesterol metabolism, can regulate the inflammatory responses in humans or animals. However, the precise mechanisms of these beneficial actions remains poorly understood. Present study aims to clarify the anti-inflammatory function of DHEA and its possible mechanisms in the E. coli O157:H7-stimulated mice. The results indicated that DHEA reduced the mortality of mice and bacterial concentration in the peritoneal fluid in the E. coli-stimulated mice. ...

Locally-secreted interleukin-6 is related with radiological severity in smear-negative pulmonary tuberculosis.

Pulmonary tuberculosis (PTB) has been identified as a substantial public health threat and diagnostic challenge. A large proportion of patients exhibit negative smear tests despite active infection. The role of cytokines in the pathophysiology and clinical severity of PTB remains a controversial question. We evaluated the pattern of cytokines presents locally in patients with smear-negative PTB. Levels of tumor necrosis factor (TNF)-α, interferon (IFN)-γ, interleukin (IL)-2, IL-4, IL-6, IL-10, and IL-17 i...

Genetic polymorphism rs8193036 of IL17A is associated with increased susceptibility to pulmonary tuberculosis in Chinese Han population.

Th17 cells play a key role in immunity against Mycobacterium tuberculosis, our previous research showed that reduced Th17 responses were associated with the severe outcome of Mtb infection. The associations between IL17A polymorphisms and susceptibility of TB has been reported, but the results are inconsistent and the underlying mechanisms is unknown. In this study, we identified a genetic variation (rs8193036) in the promoter region of IL17A is associated with susceptibility to TB. The minor allele T frequ...

Circulating irisin levels of prenatal and postnatal patients with gestational diabetes mellitus: A systematic review and meta-analysis.

At present, there are few studies on the relationship between circulating irisin levels and gestational diabetes mellitus (GDM), and the results are inconsistent. Therefore, this study conducts a systematic review and meta-analysis to comprehensively discuss the role of irisin in the occurrence and development of GDM.

Cellular cytokine receptor signaling and ATM pathway intersections affect hepatic DNA repair.

Pathways involving ataxia telangiectasia mutated (ATM) gene and its downstream partners and effectors are critical for the DNA damage response. Cell survival, proliferation and tissue homeostasis are dependent upon preservation of DNA integrity but additional intracellular mechanisms contribute in these processes. As receptor-mediated signaling with beneficial intersections in ATM pathways could have therapeutic significance, we interrogated such intersections with assays using HuH-7 cells (hepatocytes). Th...

EFLA 945 restricts AIM2 inflammasome activation by preventing DNA entry for psoriasis treatment.

Psoriasis is a chronic inflammatory skin disease that affects about 2% of the general population. Activation of the Absent in Melanoma 2 (AIM2) inflammasome is crucial for immune defense, but it can also cause inflammatory and autoimmune diseases, including psoriasis. We currently lack an AIM2 inflammasome inhibitor that could be used therapeutically. Here, we show that EFLA 945, a safe product of red grape vine leaf extracts, can restrict AIM2 inflammasome activation. Mechanistically, EFLA945 prevents DNA ...

Ghrelin alterations during experimental and human sepsis.

Ghrelin is a hormone mainly produced by cells of the gastric mucosa, which has been shown to possess anti-inflammatory and immunomodulatory properties. The objective of the study was to investigate ghrelin levels during sepsis, as well as in an experimental sepsis model.

Cytokine receptor splice variants in hematologic diseases.

Cytokine and cytokine receptors are important regulators of hematopoiesis. Hematopoietic stem cells (HSCs) and progenitors differentiate into the myeloid or lymphoid lineage in response to specific cytokines. Cell-type specific receptors are expressed on committed progenitors that bind to other late-acting cytokines that are involved in terminal differentiation of hematopoietic cells. In normal hematopoiesis, these receptors undergo alternative splicing and are developmentally regulated. Splicing changes ca...

Association between polymorphisms of cytokine genes and brucellosis: A comprehensive systematic review and meta-analysis.

Owing to involvement of host genetic factors in susceptibility to brucellosis infection and its outcome, this study aimed to carry out a comprehensive systematic review and meta-analysis to derive a precise evaluation of the association between the risk of brucellosis and its focal complication and all cytokines examined in case-control studies, including Interferon gamma (IFN-γ), Tumor Necrosis Factor (TNF)-α, TNF-β, Transforming Growth Factor(TGF)-β, IL-2, IL-4, IL-6, IL-10, IL-12B, IL-15, and IL-18 p...


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