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https://www.readbyqxmd.com/read/28637011/mir-487b-mitigates-chronic-heart-failure-through-inhibition-of-the-il-33-st2-signaling-pathway
#1
En-Wei Wang, Xu-Sheng Jia, Chang-Wu Ruan, Zhi-Ru Ge
We investigated the effects of microRNA-587b (miR-487b) in a rat model of chronic heart failure (CHF). Wistar rats were assigned to 10 groups (n=8 per group). Expression of interleukin-33 (IL-33), somatostatin 2 (ST2), IL-6, and TNF-α was higher in the CHF group than the control group. In the CHF, negative control (NC) for si-IL-33, NC for miR-487b mimic, NC for miR-487b inhibitor, and miR-487b inhibitor + si IL-33 groups, as compared to the blank and sham groups: steroid binding protein (SBP), D binding protein (DBP), left ventricular systolic pressure (LVSP), ± dp/dtmax, and superoxide dismutase (SOD) were all lower; myocardial fibrosis, MDA, left ventricular end-diastolic pressure (LVEDP), myocardial apoptosis rate, IL-6, and TNF-α were all higher; levels of IL-33 and ST2 mRNA and protein were higher; and levels of miR-487b were lower...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28633138/combined-stimulation-with-interleukin-18-and-interleukin-12-potently-induces-interleukin-8-production-by-natural-killer-cells
#2
Sophie M Poznanski, Amanda J Lee, Tina Nham, Evan Lusty, Margaret J Larché, Dean A Lee, Ali A Ashkar
The combination of interleukin (IL)-18 and IL-12 (IL-18+IL-12) potently stimulates natural killer (NK) cells, triggering an innate immune response to infections and cancers. Strategies exploiting the effects of IL-18+IL-12 have shown promise for cancer immunotherapy. However, studies have primarily characterized the NK cell response to IL-18+IL-12 in terms of interferon (IFN)-γ production, with little focus on other cytokines produced. IL-8 plays a critical role in activating and recruiting immune cells, but it also has tumor-promoting functions...
June 21, 2017: Journal of Innate Immunity
https://www.readbyqxmd.com/read/28633072/roles-of-serum-in-innate-immune-responses-of-human-leukocytes-to-synthetic-lipopeptide
#3
Terukazu Sanui, Masaaki Takeshita, Takao Fukuda, Urara Tanaka, Rehab Alshargabi, Yoshitomi Aida, Fusanori Nishimura
Tripalmitoyl-S-glyceryl-l-Cys-Ser-(Lys)4 (Pam3CSK4) is a highly conserved molecular motif found in various classes of lipoproteins. The requirement for leukocyte to respond to synthetic Pam3CSK4 were studied. Pam3CSK4 primed neutrophils for a respiratory burst in a serum-dependent manner. Pam3CSK4 upregulated CD11b, CD14, and cytochrome b558, and downregulated Leu-8. Treatment of neutrophils with anti-CD14 antibodies and treatment of serum with anti-LPS binding protein (LBP) antibodies resulted in the inhibition of priming for respiratory burst by Pam3CSK4...
June 17, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28631886/nlrp3-expression-and-urinary-hsp72-in-relation-to-biomarkers-of-inflammation-and-oxidative-stress-in-diabetic-nephropathy-patients
#4
Hemat El-Sayed El-Horany, Rania Nagi Abd-Ellatif, Mona Watany, Yasser M Hafez, Hanaa Ibrahim Okda
Diabetic nephropathy (DN) is one of the major causes of end-stage renal disease. Nod-like receptors nucleotide-binding domain and leucine-rich repeat pyrin-3 domain (NLRP3) inflammasome displays a considerable role in the chronic inflammatory state observed in diabetic patients. Urinary heat shock protein 72 (uHSP72) is a sensitive and specific biomarker for the early detection of acute kidney injury. The aim of this study was to evaluate NLRP3 relative gene expression, its correlation with inflammatory and oxidative stress markers, and to assess the value of uHSP72 in the early detection of DN in type 2 diabetic patients with different degrees of DN...
June 20, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28631531/interleukin-1-receptor-antagonist-anakinra-intravenous-immunoglobulin-and-corticosteroids-in-the-management-of-critically-ill-adult-patients-with-hemophagocytic-lymphohistiocytosis
#5
Philipp Wohlfarth, Hermine Agis, Guido A Gualdoni, Johannes Weber, Thomas Staudinger, Peter Schellongowski, Oliver Robak
BACKGROUND: Hemophagocytic lymphohistiocytosis (HLH) causes multiple organ dysfunction frequently leading to intensive care unit (ICU) referral and/or death. We report on a series of critically ill adult patients treated with a non-etoposide-based regimen including interleukin 1 antagonist anakinra, intravenous immunoglobulin (IVIG), and/or corticosteroids (CS) for HLH. METHODS: Eight adult (≥18 years) ICU patients having received treatment with anakinra ± IVIG ± CS for HLH between March 2014 and March 2016 at a large tertiary care university hospital (Medical University of Vienna, Vienna, Austria) were retrospectively analyzed...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28631245/hypoxia-and-inflammation-in-the-release-of-vegf-and-interleukins-from-human-retinal-pigment-epithelial-cells
#6
Olli Arjamaa, Vesa Aaltonen, Niina Piippo, Tamás Csont, Goran Petrovski, Kai Kaarniranta, Anu Kauppinen
PURPOSE: Retinal diseases are closely associated with both decreased oxygenation and increased inflammation. It is not known if hypoxia-induced vascular endothelial growth factor (VEGF) expression in the retina itself evokes inflammation, or whether inflammation is a prerequisite for the development of neovascularization. METHODS: Human ARPE-19 cell line and primary human retinal pigment epithelium (RPE) cells were used. ARPE-19 cells were kept either under normoxic (24 h or 48 h) or hypoxic conditions (1% O2, 24 h)...
June 19, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28630706/effects-of-feeding-untreated-pasteurized-and-acidified-waste-milk-and-bunk-tank-milk-on-the-performance-serum-metabolic-profiles-immunity-and-intestinal-development-in-holstein-calves
#7
Yang Zou, Yajing Wang, Youfei Deng, Zhijun Cao, Shengli Li, Jiufeng Wang
BACKGROUND: The present experiment was performed to assess the effects of different sources of milk on the growth performance, serum metabolism, immunity, and intestinal development of calves. Eighty-four Holstein male neonatal calves were assigned to one of the following four treatment groups: those that received bunk tank milk (BTM), untreated waste milk (UWM), pasteurized waste milk (PWM), and acidified waste milk (AWM) for 21 d. RESULTS: Calves in the BTM and AWM groups consumed more starter (P < 0...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28630575/acute-and-post-exercise-physiological-responses-to-high-intensity-interval-training-in-endurance-and-sprint-athletes
#8
Lukas Cipryan, Gerhard Tschakert, Peter Hofmann
The purpose of the presented study was to compare acute and post-exercise differences in cardiorespiratory, metabolic, cardiac autonomic, inflammatory and muscle damage responses to high-intensity interval exercise (HIIT) between endurance and sprint athletes. The study group consisted of sixteen highly-trained males (age 22.1 ± 2.5 years) participating in endurance (n = 8) or sprint (n = 8) sporting events. All the participants underwent three exercise sessions: short HIIT (work interval duration 30s), long HIIT (3min) and constant load exercise (CE)...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28630073/new-insights-into-the-roles-of-lpf-and-stg-fimbriae-in-salmonella-interactions-with-enterocytes-and-m-cells
#9
Amanda M Gonzales, Shyra Wilde, Kenneth L Roland
Salmonella enterica serovar Typhi causes the systemic disease typhoid fever. After ingestion, it adheres to and invades the host epithelium while evading the host innate immune response, causing little if any inflammation. Conversely, S Typhimurium causes gastroenteritis in humans and thrives in the inflamed gut. Upon entering the host, S Typhimurium preferentially colonizes Peyer's patches, a lymphoid organ in which microfold cells (M cells) overlay an arrangement of B cells, T cells, and antigen presenting cells...
June 19, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28628948/platelet-hyperaggregability-is-associated-with-decreased-adamts13-activity-and-enhanced-endotoxemia-in-patients-with-acute-cholangitis
#10
Hiroaki Takaya, Hideto Kawaratani, Takuya Kubo, Kenichiro Seki, Yasuhiko Sawada, Kosuke Kaji, Yasushi Okura, Kosuke Takeda, Mitsuteru Kitade, Kei Moriya, Tadashi Namisaki, Akira Mitoro, Masanori Matsumoto, Hiroshi Fukui, Hitoshi Yoshiji
AIM: Insufficient ADAMTS13 activity (ADAMTS13:AC) leads to increased levels of unusually large von Willebrand factor (VWF) multimers and causes microcirculatory disturbance and multiple organ failure (MOF). Endotoxin (Et) triggers the activation of coagulation and cytokine cascades, leading to MOF in severe inflammatory response syndrome (SIRS). Here, we investigated the potential role of endotoxemia-related ADAMTS13 in acute cholangitis. METHODS: Twenty-four patients with acute cholangitis, including 7 with severe acute cholangitis, were recruited in this study...
June 19, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28628030/a-novel-flexible-cuff-like-microelectrode-for-dual-purpose-acute-and-chronic-electrical-interfacing-with-the-mouse-cervical-vagus-nerve
#11
April Shawn Caravaca, Téa Tsaava, Laura Goldman, Harold Silverman, Gary Riggott, Sangeeta Chavan, Chad Bouton, Kevin J Tracey, Robert Desimone, Ed Boyden, Harbaljit Singh Sohal, Peder S Olofsson
OBJECTIVE: Neural reflexes establish homeostasis and regulate the immune system. Advances in bioelectronic medicine indicate that electrical stimulation of the vagus nerve can be used to treat inflammatory disease, yet the understanding of neural signals that regulate inflammation is incomplete. Current interfaces with the vagus nerve do not permit effective chronic stimulation or recording in mouse models, which is vital to studying the molecular and neurophysiological mechanisms that control inflammation homeostasis in health and disease...
June 19, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28627614/caga-promotes-proliferation-and-inhibits-apoptosis-of-ges-1-cells-by-upregulating-traf1-4-1bb
#12
Fen Wang, Nanfang Qu, Jin Peng, Chun Yue, Lingzhi Yuan, Yi Yuan
Cytotoxin-associated gene A (CagA) is one of the most important virulence factors of Helicobacter pylori, and serves a role in H. pylori‑mediated tumorigenesis in gastric cancer. However, the underlying molecular mechanism remains to be elucidated. The present study aimed to investigate the effects of CagA on the proliferation and apoptosis of GES‑1 cells, and the underlying mechanism. A CagA eukaryotic expression plasmid was constructed and transfected into GES‑1 cells. The mRNA and protein levels of CagA, tumor necrosis factor receptor‑associated factor 1 (TRAF1) and tumor necrosis factor receptor superfamily member 9 (4‑1BB) were determined using the reverse transcription‑quantitative polymerase chain reaction and western blot analysis, respectively...
June 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627596/regulation-of-type-ii-collagen-matrix-metalloproteinase-13-and-cell-proliferation-by-interleukin-1%C3%AE-is-mediated-by-curcumin-via-inhibition-of-nf-%C3%AE%C2%BAb-signaling-in-rat-chondrocytes
#13
Jian Wang, Jie Ma, Jian-Hua Gu, Fu-Yong Wang, Xiu-Shuai Shang, Hai-Rong Tao, Xiang Wang
Curcumin possesses strong anti-inflammatory, anti-rheumatoid and anti-oxidative activities, and has the potential to inhibit nuclear factor‑κB (NF‑κB) signaling. Cartilage damage in osteoarthritis (OA) is largely mediated by interleukin-1β (IL-1β) via activation of various transcription factors, including NF‑κB and activator protein‑1. The aim of the present study was to determine whether IL‑1β induces matrix metalloproteinase-13 (MMP-13) expression and inhibits type II collagen expression, as well as to examine whether cell proliferation may be inhibited by curcumin through the inhibition of NF‑κB signaling...
June 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627582/mir%C3%A2-27-inhibits-the-nf-%C3%AE%C2%BAb-signaling-pathway-by-targeting-leptin-in-osteoarthritic-chondrocytes
#14
Bin Zhou, Hongwei Li, Jide Shi
Osteoarthritis (OA) is a chronic degenerative joint disease. An increasing number of studies point to the role of microRNAs (miRNAs or miRs) in the pathogenesis of OA. An earlier study suggested that miR‑27b was associated with OA; however, the precise mechanisms regarding the involvement of the miR‑27 in the progression of OA remain unclear. In the present study, we first analyzed the effects of miR‑27 on OA. In vitro, the degree of miR‑27 expression was decreased in chondrocytes obtained from patients with OA...
June 13, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28627346/-study-on-rac1-mapk-erk-pathway-mediated-mechanism-and-role-in-rats-with-ventilator-induced-lung-injury
#15
Guanghua Tao, Linghui Pan, Ren Jing, Fei Lin, Huijun Dai, Wanyun Ge
OBJECTIVE: To investigate the role of Ras-related C3 botulinum toxin substrate 1/mitogen-activated protein kinase/extracellular signal-regulated kinase (Rac1/MAPK/ERK) signal pathway in rats with ventilator induced lung injury (VILI) and its mechanism. METHODS: Thirty Sprague-Dawley (SD) rats were randomly divided into spontaneous respiration group, normal tidal volume (VT) group and high VT group with 10 rats in each group. The rats in spontaneous respiration group were kept their spontaneous breathing...
March 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28627342/-baicalein-attenuates-acute-lung-injury-induced-by-intestinal-ischemia-reperfusion-via-inhibition-of-nuclear-factor-%C3%AE%C2%BAb-pathway-in-mice
#16
Lei Chu, Fenyong Zhu, Wenjun Zhou, Zhongxiang Du, Jie Li, Xiaohong Wang, Lihui Wang, Anding Liu
OBJECTIVE: To investigate the effects of baicalein (Bai) on acute lung injury (ALI) induced by intestinal ischemia/reperfusion (I/R) and its mechanism in mice. METHODS: Twenty-four male C57BL/6J mice were divided into three groups by random number table: namely sham group, I/R group and Bai+I/R group, with 8 mice in each group. Intestinal I/R induced lung injury model was reproduced by clamping superior mesenteric artery for 90 minutes, followed by reperfusion. Bai (100 mg/kg) was intraperitoneally injected 1 hour before ischemic challenge in the Bai+I/R group...
March 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28627158/evaluation-of-serum-interleukin-21-and-hla-c1-polymorphism-in-pediatrician-hematopoietic-stem-cell-transplantation-for-early-diagnosis-of-acute-graft-versus-host-disease
#17
N Sehati, P Kokhaei, A Motevalizade Ardekani, R Tootoonchian, F Pak
Background: Allogenic hematopoietic stem cell transplantation (HSCT) is a strategy used for treatment of different malignant diseases. However, success of allo-HSCT can be hampered by graft-versus-host-disease (GVHD). Natural killer (NK) cells may play an important role in activating antigen presenting cells and subsequent activation of T cells. The main purpose of this study was the evaluation of IL-21, as a blood biomarker, for early detection of acute GVHD (aGVHD) in children after HSCT and also the study of human leukocytes antigen (HLA)-C1 polymorphism, as a targeting ligand for NK cells in these patients...
June 19, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28626770/upregulation-of-tumor-necrosis-factor-%C3%AE-induced-protein-8-like-2-mrna-is-negatively-correlated-with-serum-concentrations-of-tumor-necrosis-factor-%C3%AE-and-interleukin-6-in-type-2-diabetes-mellitus
#18
Yongliang Liu, Xinmei Wang, Yan Zhao, Peiqing Zhao, Lianqing Wang, Qiaoli Zhai, Xiaowei Zhang, Wenxiu Tian, Xinxin Xiang, Tao Li
BACKGROUND: Tumor necrosis factor-α-induced protein 8-like 2 (TIPE2 or TNFAIP8L2) is a negative regulator of natural and adaptive immunity. The role of TIPE2 in type 2 diabetes mellitus (T2DM) remains unknown, although TIPE2 plays key roles in preserving inflammatory homeostasis. METHODS: TIPE2 expression was measured by Western blotting and real-time polymerase chain reaction (RT-PCR) in peripheral blood mononuclear cells (PBMCs) isolated from T2DM patients and healthy controls, and tumor necrosis factor-α (TNF-α), high-sensitivity C-reactive protein (hsCRP), interleukin 6 (IL-6), and other related biometabolic parameters were detected using a nephelometer or by ELISA...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28625872/decreased-enteritis-resistance-ability-by-dietary-low-or-excess-levels-of-lipids-through-impairing-the-intestinal-physical-and-immune-barriers-function-of-young-grass-carp-ctenopharyngodon-idella
#19
Lin Feng, Pei-Jun Ni, Wei-Dan Jiang, Pei Wu, Yang Liu, Jun Jiang, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xu Tang, He-Qun Shi, Xiao-Qiu Zhou
The current study explores the hypothesis that low or excess levels of lipids decrease the enteritis resistance ability through impairing the intestinal physical and immune barrier function of young grass carp (Ctenopharyngodon idella). A total of 540 young grass carp with an average initial weight of 261.41 ± 0.53 g were fed diets containing six graded levels of lipids at 5.9, 21.4, 36.0, 50.2, 66.6 and 80.1 g/kg for 8 weeks. After that, a challenge trial was conducted by injection of Aeromonas hydrophila over 2 weeks...
June 15, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28625823/the-leukocyte-associated-immunoglobulin-ig-like-receptor-1-modulating-cell-apoptosis-and-inflammatory-cytokines-secretion-in-thp-1%C3%A2-cells-after-helicobacter-pylori-infection
#20
Ying Zhang, Hui Sun, Jiaojiao Li, Qianyu Rong, Xiaofei Ji, Boqing Li
OBJECTIVE: Helicobacter pylori is a Gram-negative, microaerophilic bacteria usually found in the stomach, which may evade its host's immune system and present long-term symptoms in affected individuals. This study aimed to evaluate the functional role of leukocyte-associated immunoglobulin (Ig)-like receptor-1 (LAIR-1) in the strategies and underlying molecular mechanisms by which H. pylori escapes the host's immune responses. METHODS: LAIR-1 knockdown THP-1 cells were used to detect cell apoptosis, cell proliferation, interleukin-8 (IL-8), IL-10, and activation of intracellular signaling induced by H...
June 15, 2017: Microbial Pathogenesis
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