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https://www.readbyqxmd.com/read/28735521/myd88-erk-nfkb%C3%A2-pathways-and-pro-inflammatory-cytokines-release-in-periodontal-ligament-stem-cells-stimulated-by-porphyromonas%C3%A2-gingivalis
#1
Francesca Diomede, Maria Zingariello, Marcos F X B Cavalcanti, Ilaria Merciaro, Jacopo Pizzicannella, Natalia De Isla, Sergio Caputi, Patrizia Ballerini, Oriana Trubiani
The present study was aimed at investigating whether human Periodontal Ligament Stem Cells (hPDLSCs) were capable of sensing and reacting to lipopolysaccharide from Porphyromonas gingivalis (LPS-G) which is widely recognized as a major pathogen in the development and progression of periodontitis. At this purpose hPDLCs were stimulated with 5 μg/mL LPS-G various times and the expression of toll-like receptor 4 (TLR4) was evaluated. Toll-like receptors (TLRs) play an essential role in innate immune signaling in response to microbial infections, and in particular TLR4, type-I transmembrane proteins, has been shown recognizing LPS-G...
May 24, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28735449/therapy-with-omeprazole-modulates-regulatory-t-cell-t-helper-17-immune-response-in-children-with-duodenal-ulcers
#2
Chuan-Ying Li, Cheng Wu
The purpose of this study was to determine the effect of omeprazole on the regulatory T cell (Treg) and T helper 17 (Th17)-mediated response in patients with duodenal ulcers (DUs). DU patients were randomly divided into omeprazole and colloid bismuth subcitrate treatment groups. The ratios of Th17 and Treg in peripheral blood mononuclear cells (PBMCs) were measured. Cytokine production and Foxp3(+)- and RORγt-positive cells were detected. The expressions of STAT3, p-STAT3, STAT5 and p-STAT5 were detected by Western blot...
July 22, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28735448/inhibitory-effects-of-andrographolide-on-activated-macrophages-and-adjuvant-induced-arthritis
#3
Swati Gupta, Kamla Prasad Mishra, Shashi Bala Singh, Lilly Ganju
Andrographolide, a diterpenoid lactone obtained from plant Andrographis paniculata, is used in South Asian countries to relieve various inflammatory symptoms. To study the effects of this agent, the impact of andrographolide on production of inflammatory mediators were delineated in mouse peritoneal macrophages (PMϕ). Inflammatory mediators like nitric oxide (NO), tumor necrosis factor (TNF)-α, interleukin-6 and related molecular mechanisms of andrographolide-mediated inhibition of enzymes/transcription factors were studied...
July 22, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28735358/il-10-and-tgf-%C3%AE-unbalanced-levels-in-neutrophils-contribute-to-increase-inflammatory-cytokine-expression-in-childhood-obesity
#4
Nayara I Medeiros, Rafael T Mattos, Carlos A Menezes, Rafaelle C G Fares, André Talvani, Walderez O Dutra, Fabrício Rios-Santos, Rodrigo Correa-Oliveira, Juliana A S Gomes
PURPOSE: Obesity is a multifactorial disease, associated with metabolic disorders, chronic low-grade inflammation, and impaired immunity. This study aimed to evaluate the childhood obesity-associated effects on neutrophil activation and cytokine production. METHODS: We evaluated activation and recognition markers and cytokine production in neutrophils from the peripheral blood of children with obesity and normal weight using multicolor flow cytometry. RESULTS: We demonstrate a higher frequency of neutrophils in childhood obesity group (CO) compared to normal-weight group (NW)...
July 22, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28735350/inflammatory-joint-disorders-and-neutrophilic-dermatoses-a-comprehensive-review
#5
REVIEW
Massimo Cugno, Roberta Gualtierotti, Pier Luigi Meroni, Angelo Valerio Marzano
Rheumatoid arthritis and spondyloarthritis are inflammatory joint disorders with an autoimmune pathogenesis and systemic involvement. The skin is one of the most frequently affected extraarticular sites with a number of manifestations or distinct diseases, including common conditions, such as rheumatoid nodules and psoriasis, and rare diseases like neutrophilic dermatoses. The latter are clinically characterised by polymorphic lesions, including pustules, bullae, abscesses, papules, nodules, plaques and ulcers, and histologically by neutrophil-rich inflammatory infiltrates...
July 22, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28735230/granulometry-microbial-composition-and-biological-activity-of-dusts-collected-in-french-dairy-farms
#6
Hugo Pfister, Claudie Morzadec, Pierre Le Cann, Laurent Madec, Valérie Lecureur, Martine Chouvet, Stéphane Jouneau, Laurent Vernhet
BACKGROUND: Dairy working increases the prevalence of lower airway respiratory diseases, especially COPD and asthma. Epidemiological studies have reported that chronic inhalation of organic dusts released during specific daily tasks could represent a major risk factor for development of these pathologies in dairy workers. Knowledge on size, nature and biological activity of such organic dusts remain however limited. OBJECTIVE: To compare size distribution, microbial composition and cellular effects of dusts liberated by the spreading of straw bedding in five French dairy farms located in Brittany...
July 20, 2017: Environmental Research
https://www.readbyqxmd.com/read/28734967/assessment-of-complex-water-pollution-with-heavy-metals-and-pyrethroid-pesticides-on-transcript-levels-of-metallothionine-and-immune-related-genes
#7
Haneen A Ghazy, Mohamed A S Abdel-Razek, Abeer F El Nahas, Shawky Mahmoud
Alteration of immunological function of an aquatic organism can be used as an indicator for evaluating the direct effect of exposure to pollutants. The aim of this work is to assess the impact of complex water pollution with special reference to Pyrethroid pesticides and heavy metals on mRNA transcript levels of Metallothionine and some immune related genes of Nile tilapia (Oreochromas Niloticus). Residues of six heavy metals and six Pyrethroid were assessed in water as well as fish tissues at three different sites of Lake Burullus, located at Northern Egypt...
July 19, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28734896/porcine-cd14-gene-silencing-partially-inhibited-the-bacterial-immune-response-mediated-by-tlr4-signaling-pathway
#8
Chaohui Dai, Haifei Wang, Guoqiang Zhu, Shenglong Wu, Wenbin Bao
Cluster of differentiation antigen 14 (CD14) is the membrane receptor protein in Toll-like Receptor 4 (TLR4) signaling pathway, which plays an important regulation role in not only innate immune response but also adaptive immune response. In this study, the pig kidney epithelial cell (PK15) line with CD14 gene silencing mediated by lentivirus was established and cells of CD14-RNAi and NC group were exposed to three kinds of Escherichia coli (E. coli F18ab, E. coli F18ac and E. coli K88ac) and LPS. Then qPCR and western blot were used to detect expression levels of TLR4 signaling pathway-related genes...
July 19, 2017: Gene
https://www.readbyqxmd.com/read/28734818/preoperative-aqueous-cytokine-levels-are-associated-with-a-rapid-reduction-in-endothelial-cells-after-penetrating-keratoplasty
#9
Yukari Yagi-Yaguchi, Takefumi Yamaguchi, Kazunari Higa, Terumasa Suzuki, Hiroyuki Yazu, Naohiko Aketa, Yoshiyuki Satake, Kazuo Tsubota, Jun Shimazaki
PURPOSE: To evaluate the influence of preoperative inflammatory cytokine levels in the aqueous humor (AqH) on the endothelial cell density (ECD) after penetrating keratoplasty (PKP). DESIGN: Prospective interventional, consecutive case series. METHODS: This study includes 70 consecutive patients (mean age 73.7 ± 10.6), who underwent PKP (37 eyes) or cataract surgery (controls, 33 eyes). A total of 70 AqH samples were collected at the beginning of each surgery...
July 19, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28734805/c-reactive-protein-mediating-immunopathological-lesions-a-potential-treatment-option-for-severe-influenza-a-diseases
#10
Rongbao Gao, Lijie Wang, Tian Bai, Ye Zhang, Hong Bo, Yuelong Shu
Severe influenza diseases with high mortality have been frequently reported, especially in those patients infected with avian influenza A (H5N1, H7N9 or H10N8) or during a pandemic. Respiratory distress, which is attributed to alveolar damage associated with immunopathological lesions, is the most common cause of death. There is a wealth of information on pathogenesis or treatment options. In this study, we showed that high levels of C-reactive protein (CRP) were induced and correlated with complement activation in patients infected with severe influenza A (H5N1, H7N9 or H10N8), and higher levels were induced in fatal patients than in survivors...
July 13, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28734802/co-transplantation-of-mesenchymal-and-neural-stem-cells-and-overexpressing-stromal-derived-factor-1-for-treating-spinal-cord-injury
#11
Andrew N Stewart, Griffin Kendziorski, Zachary M Deak, Dara J Brown, Matthew N Fini, Katherine L Copely, Julien Rossignol, Gary L Dunbar
Genetic engineering of mesenchymal stem cells (MSCs) and neuronal stem cells (NSCs) has been used to treat spinal cord injuries (SCI). As a mechanism of therapy, MSCs secrete high amounts of anti-inflammatory cytokines and trophic factors, while NSCs can differentiate into neuronal lineages and aid in tissue replacement. Additionally, the forced overexpression of secreted proteins can enhance the secretome of transplanted cells, which can increase therapeutic efficacy. This study utilized a combinational treatment consisting of MSCs, NSCs, and the forced overexpression of the chemokine stromal-derived factor-1 (SDF-1) from MSCs (SDF-1-MSCs), to treat a rat model of SCI...
July 19, 2017: Brain Research
https://www.readbyqxmd.com/read/28734801/sex-specific-differences-in-the-modulation-of-growth-differentiation-factor-15-gdf15-by-hyperoxia-in-vivo-and-in-vitro-role-of-hif-1%C3%AE
#12
Yuhao Zhang, Weiwu Jiang, Lihua Wang, Krithika Lingappan
Male premature neonates are more susceptible than females to the development of bronchopulmonary dysplasia (BPD). The reasons underlying sexually dimorphic outcomes in premature neonates are not known. GDF15 (Growth and differentiation factor 15) is a secreted cytokine and plays a role in cell proliferation, apoptosis, and angiogenesis. In this study, we sought to elucidate the sex-specific expression of Gdf15 in the lung in vivo in neonatal hyperoxic lung injury and its regulation by Hif-1α, and to delineate the differences in GDF15 expression in male and female human umbilical venous endothelial cells in an in vitro model of oxygen toxicity...
July 19, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28734743/adjuvantation-of-inactivated-foot-and-mouth-disease-virus-vaccine-with-il-15-expressing-plasmid-improves-the-immune-response-in-guinea-pigs
#13
Vijay Nagaraj, Lijo John, Singaram Bharatiraja, Hosur Joyappa Dechamma, Golla Ramalinga Reddy
Foot and mouth disease is a highly contagious disease affecting cloven footed animals. Vaccination using inactivated virus is followed to control the disease. As the immune response conferred by the inactivated vaccine is short lived, there is a need for an alternate vaccine with increased duration of immunity. Inclusion of adjuvant which enhances B and T cell responses is one of the strategies to increase the duration of immune responses of the vaccine. Interleukin 15 is one such a cytokine which improves the cell mediated immune response and also involved in the maintenance of memory T and B cells...
July 19, 2017: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/28734739/serum-levels-of-squamous-cell-carcinoma-antigens-1-and-2-reflect-disease-severity-and-clinical-type-of-atopic-dermatitis-in-adult-patients
#14
Tomoko Okawa, Yukie Yamaguchi, Kenzen Kou, Junya Ono, Yoshinori Azuma, Noriko Komitsu, Yusuke Inoue, Masumi Kohno, Setsuko Matsukura, Takeshi Kambara, Shoichiro Ohta, Kenji Izuhara, Michiko Aihara
BACKGROUND: Recent studies have indicated that serum levels of squamous cell carcinoma antigen (SCCA) 1 and 2 induced by type 2 cytokines such as IL-4 and IL-13, are increased in patients with atopic dermatitis (AD). However, no clinical studies have analyzed serum levels of SCCA2 in larger series of AD patients or their association with various clinical characteristics. This study was performed to clarify whether serum levels of SCCA2 are associated with disease severity and clinical phenotypes of adult AD patients...
July 19, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28734591/increased-inflammatory-effect-of-electronegative-ldl-and-decreased-protection-by-hdl-in-type-2-diabetic-patients
#15
Montserrat Estruch, Inka Miñambres, Jose Luis Sanchez-Quesada, Marta Soler, Antonio Pérez, Jordi Ordoñez-Llanos, Sonia Benitez
BACKGROUND AND AIMS: Type 2 diabetic patients have an increased proportion of electronegative low-density lipoprotein (LDL(-)), an inflammatory LDL subfraction present in blood, and dysfunctional high-density lipoprotein (HDL). We aimed at examining the inflammatory effect of LDL(-) on monocytes and the counteracting effect of HDL in the context of type 2 diabetes. METHODS: This was a cross-sectional study in which the population comprised 3 groups (n = 12 in each group): type 2 diabetic patients with good glycaemic control (GC-T2DM patients), type 2 diabetic patients with poor glycaemic control (PC-T2DM), and a control group...
July 13, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28734155/activation-of-mtor-is-involved-in-anti-%C3%AE-2gpi-%C3%AE-2gpi-induced-expression-of-tissue-factor-and-il-8-in-monocytes
#16
Longfei Xia, Hong Zhou, Ting Wang, Yachao Xie, Ting Wang, Xiaoyan Wang, Jinchuan Yan
Previous study has demonstrated that activation of the mammalian target of rapamycin (mTOR) pathway in endothelial cells (ECs) results in the formation of chronic vascular lesions associated with antiphospholipid syndrome (APS). In addition, it has been shown that stimulation of monocytes and ECs by antiphospholipid antibodies (aPL) leads to a prothrombotic and proinflammatory state and up-regulated expression of tissue factor (TF) and inflammatory cytokines. However, the role of mTOR in pathogenic mechanisms of APS remains largely unexplored...
June 1, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28734036/-epicatechin-regulates-blood-lipids-and-attenuates-hepatic-steatosis-in-rats-fed-high-fat-diet-%C3%A2
#17
Hui Cheng, Na Xu, Wenxia Zhao, Jingjing Su, Mengru Liang, Zhongwen Xie, Xianli Wu, Qinglin Li
SCOPE: (-)-Epicatechin (EC) is a natural flavanol monomer found in cocoa, green tea and a variety of other plant foods. In this study, effects of EC on blood lipids and hepatic steatosis, and the underlying mechanisms were investigated. METHODS AND RESULTS: A hyperlipidemic rat model was induced by high-fat, high-cholesterol diet. EC was then administrated to the animals by gavage at doses of 10 mg/kg, 20 mg/kg, 40 mg/kg body weight (BW) for 12 weeks. Simvastatin was included as a positive control...
July 21, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28733903/the-effect-of-aspartate-supplementation-on-the-microbial-composition-and-innate-immunity-on-mice
#18
Peng Bin, Shaojuan Liu, Shuai Chen, Zhaoying Zeng, Ruilin Huang, Yulong Yin, Gang Liu
The study was conducted to investigate the changes of intestinal microbiota composition and innate immunity with different dietary dosages of aspartate (Asp) supplementation. Thirty-six female ICR mice were divided randomly to four groups and thereafter fed the basal diets (controls) or those supplemented with additional 0.5, 1.0 and 2.0% aspartate. After 2 week feeding, microbial composition in ileum and feces, gene expression of pro-inflammatory cytokine, and innate immune factors in ileum were determined...
July 21, 2017: Amino Acids
https://www.readbyqxmd.com/read/28733900/the-putative-role-of-environmental-mercury-in-the-pathogenesis-and-pathophysiology-of-autism-spectrum-disorders-and-subtypes
#19
REVIEW
G Morris, B K Puri, R E Frye, M Maes
Exposure to organic forms of mercury has the theoretical capacity to generate a range of immune abnormalities coupled with chronic nitro-oxidative stress seen in children with autism spectrum disorder (ASD). The paper discusses possible mechanisms explaining the neurotoxic effects of mercury and possible associations between mercury exposure and ASD subtypes. Environmental mercury is neurotoxic at doses well below the current reference levels considered to be safe, with evidence of neurotoxicity in children exposed to environmental sources including fish consumption and ethylmercury-containing vaccines...
July 22, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28733866/inhibitory-effect-and-mechanism-of-mesenchymal-stem-cells-on-melanoma-cells
#20
J Zhang, L Hou, D Zhao, M Pan, Z Wang, H Hu, J He
PURPOSE: To explore the inhibitory effect and mechanism of MSCs on melanoma proliferation. METHODS: The inhibitory effect of MSCs on melanoma A375 cells was detected by co-culture and conditioned medium (CM) experiments using MTT method. The cell cycle was analyzed by flow cytometry. Then, Western Blot experiment detected the expression of proteins related to NF-κB signaling in A375 cells. The expression of IL-1Ra in MSCs was proved by RT-PCR. The over-expression and silencing vector pcDNA3...
July 21, 2017: Clinical & Translational Oncology
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