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https://www.readbyqxmd.com/read/28434172/lactobacillus-paracasei-strain-06tca19-suppresses-inflammatory-chemokine-induced-by-helicobacter-pylori-in-human-gastric-epithelial-cells
#1
Shiro Takeda, Keiji Igoshi, Chuluunbat Tsend-Ayush, Tsendesuren Oyunsuren, Ryoichi Sakata, Yasuhiro Koga, Yuo Arima, Masahiko Takeshita
Helicobacter (H.) pylori infection is an important risk factor for gastric cancer that causes gastric inflammation. Inflammatory chemokines such as interleukin (IL)-8 and regulated on activation normal T cell expressed and secreted (RANTES) are elevated in the gastric mucosa by H. pylori. This study aimed to investigate the effects of Lactobacillus paracasei strain 06TCa19, a probiotic strain, on IL-8 and RANTES expression and production induced by H. pylori using human gastric epithelial cell lines. Strain 06TCa19 was shown to suppress H...
April 22, 2017: Human Cell
https://www.readbyqxmd.com/read/28431894/molecular-cloning-and-functional-characterization-of-duck-nucleotide-binding-oligomerization-domain-1-nod1
#2
Huilin Li, Hui Jin, Yaqian Li, Dejian Liu, Mohamed Frahat Foda, Yunbo Jiang, Rui Luo
Nucleotide-binding oligomerization domain 1 (NOD1) is an imperative cytoplasmic pattern recognition receptor (PRR) and considered as a key member of the NOD-like receptor (NLR) family which plays a critical role in innate immunity through sensing microbial components derived from bacterial peptidoglycan. In the current study, the full-length of duck NOD1 (duNOD1) cDNA from duck embryo fibroblasts (DEFs) was cloned. Multiple sequence alignment and phylogenetic analysis demonstrated that duNOD1 exhibited a strong evolutionary relationship with chicken and rock pigeon NOD1...
April 19, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28423682/rip3-deficiency-ameliorates-inflammatory-response-in-mice-infected-with-influenza-h7n9-virus-infection
#3
Yu-Lin Xu, Hai-Lin Tang, Hao-Ran Peng, Ping Zhao, Zhong-Tian Qi, Wen Wang
Influenza H7N9 virus infection causes an acute, highly contagious respiratory illness that triggers cell death of infected cells and airway epithelial destruction. RIP3 is a key regulator of cell death responses to a growing number of viral and microbial agents. This study aimed to investigate the role of RIP3 in inflammation of influenza H7N9 virus infection. Here, RIP3 knock out (RIP3-/-) mice and littermate wild type mice were infected intranasally with influenza H7N9 virus (A/Fujian/S03/2015) to determine the contribution of RIP3 to the inflammatory response of influenza H7N9 virus infection...
March 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28419140/niche-matters-the-comparison-between-bone-marrow-stem-cells-and-endometrial-stem-cells-and-stromal-fibroblasts-reveal-distinct-migration-and-cytokine-profiles-in-response-to-inflammatory-stimulus
#4
Masuma Khatun, Anna Sorjamaa, Marika Kangasniemi, Meeri Sutinen, Tuula Salo, Annikki Liakka, Petri Lehenkari, Juha S Tapanainen, Olli Vuolteenaho, Joseph C Chen, Siri Lehtonen, Terhi T Piltonen
OBJECTIVE: Intrinsic inflammatory characteristics play a pivotal role in stem cell recruitment and homing through migration where the subsequent change in niche has been shown to alter these characteristics. The bone marrow mesenchymal stem cells (bmMSCs) have been demonstrated to migrate to the endometrium contributing to the stem cell reservoir and regeneration of endometrial tissue. Thus, the aim of the present study was to compare the inflammation-driven migration and cytokine secretion profile of human bmMSCs to endometrial mesenchymal stem cells (eMSCs) and endometrial fibroblasts (eSFs)...
2017: PloS One
https://www.readbyqxmd.com/read/28415024/glucocorticoids-differentially-regulate-the-innate-immune-responses-of-tlr4-and-the-cytosolic-dna-sensing-pathway
#5
Jinli Wang, Ruining Wang, Jiahui Yang, Xiaofan Yang, Shengfeng Hu, Hui Wang, Chaoying Zhou, Wenjing Xiong, Qian Wen, Li Ma
Glucocorticoids (GCs) are widely used to treat the chronic inflammatory disorders because of their powerful anti-inflammatory properties; however, their effects on macrophage-mediated immune responses are not completely understood. In the present study, we found that GCs decreased LPS-mediated TBK1 activation and the expression of IFN-β, RANTES and CXCL-10; however, poly(dA:dT)-induced TBK1 activity and cytokine expression were not affected by GCs treatment. Furthermore, GCs decreased the expression of key autophagy-related genes (ATGs), including ATG5, ATG7 and ATG12, and inhibited autophagy in macrophages after LPS stimulation...
April 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28414053/inhibition-effects-of-novel-polyketide-compound-ppq-b-against-influenza-a-virus-replication-by-interfering-with-the-cellular-egfr-pathway
#6
Miaomiao Wang, Shuyao Wang, Wei Wang, Yi Wang, Hui Wang, Weiming Zhu
Development of anti-influenza A virus (IAV) drugs with novel targets and low toxicity is critical for preparedness against influenza outbreaks. In the current study, our results indicated that the novel polyketide compound purpurquinone B (PPQ-B) derived from acid-tolerant fungus Penicillium purpurogenum strain JS03-21 suppressed the replication of IAV in vitro with low toxicity, and may block some stages after virus adsorption. PPQ-B could inhibit H1N1 (A/Puerto Rico/8/34; PR8), H1N1 (A/California/04/2009; Cal09) and H3N2 (A/swine/Minnesota/02719/2009) virus replication in vitro, suggesting that PPQ-B possesses broad-spectrum anti-IAV activities...
April 13, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28413317/korean-red-ginseng-improves-atopic-dermatitis-like-skin-lesions-by-suppressing-expression-of-proinflammatory-cytokines-and-chemokines-in%C3%A2-vivo-and-in%C3%A2-vitro
#7
Ji-Ye Kee, Yong-Deok Jeon, Dae-Seung Kim, Yo-Han Han, Jinbong Park, Dong-Hyun Youn, Su-Jin Kim, Kwang Seok Ahn, Jae-Young Um, Seung-Heon Hong
BACKGROUND: The prevalence of allergic inflammatory diseases such as atopic dermatitis (AD), asthma, and allergic rhinitis worldwide has increased and complete recovery is difficult. Korean Red Ginseng, which is the heat-processed root of Panax ginseng Meyer, is widely and frequently used as a traditional medicine in East Asia. In this study, we investigated whether Korean Red Ginseng water extract (RGE) regulates the expression of proinflammatory cytokines and chemokines via the mitogen-activated protein kinases (MAPKs)/nuclear factor kappa B (NF-κB) pathway in allergic inflammation...
April 2017: Journal of Ginseng Research
https://www.readbyqxmd.com/read/28411440/tweak-fn14-promotes-pro-inflammatory-cytokine-secretion-in-hepatic-stellate-cells-via-nf-%C3%AE%C2%BAb-stat3-pathways
#8
Aixiu Wang, Feng Zhang, Hui Xu, Mingcui Xu, Yu Cao, Chen Wang, Yuanyuan Xu, Min Su, Ming Zhang, Yuzheng Zhuge
Tumor necrosis factor-like weak inducer of apoptosis (TWEAK) and its receptor fibroblast growth factor-inducible 14 (Fn14) have been associated with liver disease. Hepatic stellate cells (HSCs) play a critical role in the hepatic wound-healing response after liver injury, but there is little information available on the role of the TWEAK/Fn14 pathway in human HSCs. In this study, we explored the role of TWEAK/Fn14 in activated human HSCs. The LX-2 cells were treated with TWEAK, and the expression of pro-inflammatory cytokines was assayed by enzyme-linked immunosorbent assay (ELISA) and real-time PCR (RT-PCR)...
April 12, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28405874/systemic-inflammation-during-the-first-postnatal-month-and-the-risk-of-attention-deficit-hyperactivity-disorder-characteristics-among-10-year-old-children-born-extremely-preterm
#9
Elizabeth N Allred, Olaf Dammann, Raina N Fichorova, Stephen R Hooper, Scott J Hunter, Robert M Joseph, Karl Kuban, Alan Leviton, Thomas Michael O'Shea, Megan N Scott
Although multiple sources link inflammation with attention difficulties, the only human study that evaluated the relationship between systemic inflammation and attention problems assessed attention at age 2 years. Parent and/or teacher completion of the Childhood Symptom Inventory-4 (CSI-4) provided information about characteristics that screen for attention deficit hyperactive disorder (ADHD) among 793 10-year-old children born before the 28th week of gestation who had an IQ ≥ 70. The concentrations of 27 proteins in blood spots obtained during the first postnatal month were measured...
April 12, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28402030/cyclic-peptide-crretawac-attenuates-fibronectin-induced-cytokine-secretion-of-human-airway-smooth-muscle-cells-by-inhibiting-fak-and-p38-mapk
#10
Mengdi Chu, Jiani Ji, Wenhao Cao, Huojun Zhang, Dan Meng, Bangruan Xie, Shuyun Xu
α5β1 integrin is highly expressed in airway smooth muscle cells and mediate the adhesion of airway smooth muscle cells to fibronectin to regulate airway remodelling in asthma. This study aimed to investigate the effects of synthetic cyclic peptide *CRRETAWAC* on fibronectin-induced cytokine secretion of airway smooth muscle cells and the underlying mechanism. Human airway smooth muscle cells were isolated and treated with fibronectin, IL-13, *CRRETAWAC* peptide, α5β1 integrin-blocking antibody, FAK inhibitor or p38 MAPK inhibitor...
April 12, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28401934/vaginal-lactic-acid-elicits-an-anti-inflammatory-response-from-human-cervicovaginal-epithelial-cells-and-inhibits-production-of-pro-inflammatory-mediators-associated-with-hiv-acquisition
#11
A C Hearps, D Tyssen, D Srbinovski, L Bayigga, D J D Diaz, M Aldunate, R A Cone, R Gugasyan, D J Anderson, G Tachedjian
Inflammation in the female reproductive tract (FRT) is associated with increased HIV transmission. Lactobacillus spp. dominate the vaginal microbiota of many women and their presence is associated with reduced HIV acquisition. Here we demonstrate that lactic acid (LA), a major organic acid metabolite produced by lactobacilli, mediates anti-inflammatory effects on human cervicovaginal epithelial cells. Treatment of human vaginal and cervical epithelial cell lines with LA (pH 3.9) elicited significant increases in the production of the anti-inflammatory cytokine IL-1RA...
April 12, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28398522/zika-virus-infection-of-the-human-glomerular-cells-implications-for-viral-reservoirs-and-renal-pathogenesis
#12
Donald J Alcendor
Background: Zika virus (ZIKV) infection in the human renal compartment has not been reported. Several clinical reports describe high level persistent viral shedding in urine of infected patients. The mechanisms associated high level persistent viruria observed in ZIKV infected patients until now have not been explored. We examined cellular components of the glomerulus of the human kidney for ZIKV infectivity. METHODS: Here we infect primary human podocytes, renal glomerular endothelial cells, and mesangial cells with ZIKV...
April 3, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28397469/intracellular-storage-of-duffy-antigen-binding-chemokines-by-duffy-positive-red-blood-cells
#13
Ayako Yamamoto, Norihiro Saito, Shu Ogasawara, Toshihiro Shiratori, Jun Kondo, Masamichi Itoga, Hiroyuki Kayaba
BACKGROUND: Duffy antigen/chemokine receptor (DARC) is a non-signaling receptor for multiple chemokines. The role of DARC on red blood cells (RBCs) has remained elusive. The purpose of this study was to analyze selective storage of DARC-binding chemokines in RBCs. METHODS: Peripheral blood from healthy volunteers with DARC-positive blood type was collected in EDTA tubes. The concentration of DARC binding chemokines (i.e., MCP-1, RANTES, eotaxin-1, TARC, and IL-8), DARC nonbinding chemokines (i...
April 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28388950/expression-profiles-of-immune-mediators-in-feline-coronavirus-infected-cells-and-clinical-samples-of-feline-coronavirus-positive-cats
#14
Nikoo Safi, Amin Haghani, Shing Wei Ng, Gayathri Thevi Selvarajah, Farina Mustaffa-Kamal, Abdul Rahman Omar
BACKGROUND: There are two biotypes of feline coronavirus (FCoV): the self-limiting feline enteric coronavirus (FECV) and the feline infectious peritonitis virus (FIPV), which causes feline infectious peritonitis (FIP), a fatal disease associated with cats living in multi-cat environments. This study provides an insight on the various immune mediators detected in FCoV-positive cats which may be responsible for the development of FIP. RESULTS: In this study, using real-time PCR and multiplex bead-based immunoassay, the expression profiles of several immune mediators were examined in Crandell-Reese feline kidney (CRFK) cells infected with the feline coronavirus (FCoV) strain FIPV 79-1146 and in samples obtained from FCoV-positive cats...
April 7, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28379592/severe-hepatocytotoxicity-linked-to-denosumab
#15
S Malnick, Y Maor, E Melzer, N N Ziv-Sokolowskaia, M G Neuman
OBJECTIVE: Denosumab (Prolia, Amgen, Thousand Oaks, CA, USA) is a fully human antibody to the receptor activator of nuclear factor-KB ligand (RANKL). We present a case of submassive hepatic necrosis with evidence implicating cytokine induction resulting from an immune reaction to denosumab. CASE REPORT: A 72-year-old lady presented with elevated liver enzymes. One month previously, she received a s/c administration of 60 mg of denosumab. Viral hepatitis A, B and C and human herpes viruses 6-7 were negative as were routine autoimmune serology...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28379462/human-metapneumovirus-infection-in-chronic-obstructive-pulmonary-disease-impact-of-glucocorticosteroids-and-interferon
#16
Keiko Kan-O, Ruben Ramirez, Martin I MacDonald, Michael Rolph, Penny A Rudd, Kirsten M Spann, Suresh Mahalingam, Philip G Bardin, Belinda J Thomas
Background.: Human metapneumovirus (hMPV) infection is implicated in exacerbations of asthma and chronic obstructive pulmonary disease (COPD). Research into the pathogenesis of infection is restricted to animal models and information about hMPV replication and inflammatory and immune responses in human disease is limited. Methods.: Human primary bronchial epithelial cells (PBEC) from healthy, asthmatic and COPD subjects were infected with hMPV, with or without glucocorticosteroids (GCS) exposure...
April 4, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28378639/predictive-role-of-serum-and-urinary-cytokines-in-invasion-and-recurrence-of-bladder-cancer
#17
Nitu Kumari, Usha Agrawal, Ashwani Kumar Mishra, Anup Kumar, Pawan Vasudeva, Nayan Kumar Mohanty, Sunita Saxena
Urothelial cancer patients are prone to recurrence, and there is no marker to predict which cases become refractory to the immunotherapy given to these patients. Tumour behaviour is decided by the dynamics between the pro- and anti-tumorigenic cytokines. In this study, 27 cytokines were estimated in serum and urine of 72 urothelial cancer patients and 42 healthy volunteer controls. Serum cytokines IL-1RA, IL-4 and RANTES were in significantly higher concentration in serum of patients compared to controls, while IL-2 was significantly less in concentration...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28375674/the-inflammatory-cxc-chemokines-gro%C3%AE-high-ip-10-low-and-mig-low-in-tumor-microenvironment-can-be-used-as-new-indicators-for-non-small-cell-lung-cancer-progression
#18
Ya Cao, Haitao Huang, Zhenxin Wang, Guangbo Zhang
AIMS: To investigate the clinical significance of tumor tissue-infiltrating chemokines expression in non-small cell lung cancer (NSCLC) microenvironment. MATERIALS AND METHODS: Fresh tissue samples were acquired from 50 patients with NSCLC after operation. Then, we quantified the total protein with the BCA Protein Assay Kit and tested 13 chemotactic factors in paired samples including tumor tissues, tumor adjacent tissues, and normal tissues with the CBA Kit. RESULTS: We found that the chemokine CC subfamily of MCP-1, MIP-1α, MIP-1β, and MIP-3α and the chemokine CXC subfamily of IL-8, GROα, IP-10, and MIG expressions in tumor tissues were significantly higher than those in tumor-adjacent tissues and normal tissues...
April 4, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28368490/nasosorption-is-a-minimally-invasive-diagnostic-procedure-for-measurement-of-viral-load-and-markers-of-mucosal-inflammation-in-rsv-bronchiolitis
#19
Ryan S Thwaites, Kazuhiro Ito, Jasmine M S Chingono, Matthew Coates, Hannah C Jarvis, Tanushree Tunstall, Lauren Anderson-Dring, Lindsey Cass, Garth Rapeport, Peter J Openshaw, Simon Nadel, Trevor T Hansel
Background: Existing respiratory mucosal sampling methods are flawed, particularly in a paediatric bronchiolitis setting. Methods: Twenty-four infants with bronchiolitis were recruited: 12 were Respiratory syncytial virus (RSV)+, 12 were RSV-. Infants were sampled by nasosorption (NS) and nasopharyngeal-aspiration (NPA). Results: NS was well tolerated and identified all RSV+ samples. RSV load measured by NS (but not NPA) correlated with length of hospital stay (P=0...
March 27, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28362549/cd8-t-cell-mediated-anti-malaria-protection-induced-by-malaria-vaccines-assessment-of-hepatic-cd8-t-cells-by-scbc-assay
#20
Jing Zhou, Alaina Kaiser, Colin Ng, Rachel Karcher, Tim McConnell, Patrick Paczkowski, Cristina Fernandez, Min Zhang, Sean Mackay, Moriya Tsuji
Malaria is a severe infectious disease with relatively high mortality, thus having been a scourge of humanity. There are a few candidate malaria vaccines that have shown a protective efficacy in humans against malaria. One of the candidate human malaria vaccines, which is based on human malaria sporozoites and called PfSPZ Vaccine, has been shown to protect a significant proportion of vaccine recipients from getting malaria. PfSPZ Vaccine elicits a potent response of hepatic CD8+ T cells that are specific for malaria antigens in non-human primates...
March 31, 2017: Human Vaccines & Immunotherapeutics
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