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https://www.readbyqxmd.com/read/28944992/ginsenoside-rb1-enhances-atherosclerotic-plaque-stability-by-skewing-macrophages-to-the-m2-phenotype
#1
Xue Zhang, Ming-Hao Liu, Lei Qiao, Xin-Yu Zhang, Xiao-Ling Liu, Mei Dong, Hong-Yan Dai, Mei Ni, Xiao-Rong Luan, Jun Guan, Hui-Xia Lu
Atherosclerosis (AS) is characterized as progressive arterial plaque, which is easy to rupture under low stability. Macrophage polarization and inflammation response plays an important role in regulating plaque stability. Ginsenoside Rb1 (Rb1), one of the main active principles of Panax Ginseng, has been found powerful potential in alleviating inflammatory response. However, whether Rb1 could exert protective effects on AS plaque stability remains unclear. This study investigated the role of Rb1 on macrophage polarization and atherosclerotic plaque stability using primary peritoneal macrophages isolated from C57BL/6 mice and AS model in ApoE(-/-) mice...
September 25, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28944927/%C3%AE-7-nicotinic-acetylcholine-receptor-agonist-attenuates-the-cerebral-injury-in-a-rat-model-of-cardiopulmonary-bypass-by-activating-the-akt-gsk3%C3%AE-pathway
#2
Yingjie Sun, Dandan Song, Mei Wang, Keyan Chen, Tiezheng Zhang
α7 nicotinic acetylcholine receptor (α7nAchR) agonist treatment may provide a promising therapeutic effect for cerebral injuries. However, it is unclear whether the activation of α7nAchR agonist may reduce cerebral injuries induced by cardiopulmonary bypass (CPB). A total of 96 male Sprague‑Dawley rats were randomly divided into four groups (n=24/group): i) Sham operation group; ii) CPB group; iii) CPB + α7nAchR agonist group; and iv) CPB + α7nAchR agonist + α7nAchR antagonist group. Following treatment, 24 rats from each group were sacrificed and the serum and hippocampal tissues were collected...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944919/proprotein-convertase-subtilisin-kexin-type-6-promotes-in%C3%A2-vitro-proliferation-migration-and-inflammatory-cytokine-secretion-of-synovial-fibroblast%C3%A2-like-cells-from-rheumatoid-arthritis-via-nuclear%C3%A2-%C3%AE%C2%BAb-signal-transducer-and-activator-of-transcription-3-and
#3
Huiyu Jiang, Lin Wang, Feifei Wang, Jihong Pan
Our previous studies demonstrated that expression of proprotein convertase subtilisin/kexin type 6 (PCSK6) is greatly enhanced in rheumatoid arthritis fibroblast‑like synoviocytes (RASFs), and that PCSK6 inhibition decreases cell proliferation, migration and invasion. The present study aimed to investigate the functional role of PCSK6 in the hyperplasia of RASFs. Cultured RASFs from RA patients were stimulated with recombinant human (rh)PCSK6. Subsequent changes in proliferation, invasion, migration and the secretion of inflammatory cytokines were measured in vitro using MTT, wound healing and Transwell assays, and ELISA...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944916/total-glucosides-of-paeony-ameliorates-tnbs%C3%A2-induced-colitis-by-modulating-differentiation-of-th17-treg-cells-and-the-secretion-of-cytokines
#4
Haihua Lin, Wenyou Zhang, Xuepei Jiang, Renpin Chen, Xielin Huang, Zhiming Huang
The imbalance between effector CD4+ T helper 17 (Th17) and regulatory CD4+ T cells (Treg) cells and their associated cytokines, have been associated with the pathogenesis of inflammatory bowel disease (IBD). Total glycosides of paeony (TGP) is an alternative immunomodulatory agent that is widely used for the treatment of autoimmune diseases. The present study aimed to evaluate the modulatory effect of TGP in a rat model of colitis induced by 2,4,6‑trinitrobenzene sulfonic acid (TNBS). TGP was administered intragastrically 24 h after the TNBS intrarectal instillation for 7 days...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944913/oleanolic-acid-alleviates-diabetic-rat-carotid-artery-injury-through-the-inhibition-of-nlrp3-inflammasome-signaling-pathways
#5
Qian An, Qian Hu, Bing Wang, Wenjun Cui, Fei Wu, Yu Ding
The overexpression of inflammasome components is correlated with diabetes‑associated complications. Oleanolic acid is a triterpenoid compound which is important in arterial injury. The present study evaluated whether oleanolic acid improved diabetic rat carotid artery injury through the inhibition of nucleotide‑binding domain, leucine‑rich‑containing family, pyrin domain‑containing‑3 (NLRP3) inflammasomes signaling pathways. A diabetic rat model was induced using streptozotocin (60 mg/kg) and underwent carotid artery injury...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944889/beneficial-effects-of-extracts-from-lucilia%C3%A2-sericata-maggots-on-burn-wounds-in-rats
#6
Haixu Bian, Qiaoli Yang, Tao Ma, Wei Li, Jialin Duan, Guo Wei, Xiaoxiao Wu, Fei Mu, Rui Lin, Aidong Wen, Miaomiao Xi
Lucilia sericata maggots have beneficial properties; however, their protective effects on burn wounds have yet to be fully elucidated. In the present study, a deep second‑degree burn rat model was used to investigate the burn wound healing properties of aqueous extract of maggots (MAE). The anti‑inflammatory, antioxidative and antibacterial activities were examined. In addition, the protein expression levels of Akt, vascular endothelial growth factor A (VEGFA) and nuclear factor‑κB (NF‑κB) were detected by western blotting...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944866/early-anticoagulation-therapy-for-severe-burns-complicated-by-inhalation-injury-in-a-rabbit-model
#7
Zhong-Hua Fu, Guang-Hua Guo, Zhen-Fang Xiong, Xincheng Liao, Ming-Zhuo Liu, Jinhua Luo
The aim of the present study was to determine the effects of early anticoagulation treatment on severe burns complicated by inhalation injury in a rabbit model. Under anesthetization, an electrical burns instrument (100˚C) was used to scald the backs of rabbits for 15 sec, which established a 30% III severe burns model. Treatment of the rabbits with early anticoagulation effectively improved the severe burns complicated by inhalation injury‑induced lung injury, reduced PaO2, PaCO2 and SPO2 levels, suppressed the expression of tumor necrosis factor‑α, interleukin (IL)‑1β and IL‑6, and increased the activity of IL‑10...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944843/microarray-and-bioinformatics-analyses-of-gene-expression-profiles-in-balb-c-murine-macrophage-polarization
#8
Li Jiang, Xueqin Li, Yingying Zhang, Mengying Zhang, Zongsheng Tang, Kun Lv
Macrophages possess the hallmark feature of plasticity, allowing them to undergo a dynamic transition between M1 and M2 polarized phenotypes. The aim of the present study was to screen for differentially-expressed genes (DEGs) that were associated with BALB/c murine macrophage polarization. The transcription profiles of three M1 and three M2 samples were obtained using microarray analysis. Based on the threshold of fold‑change >2.0 and P‑value <0.05, a total of 1,253 DEGs were identified, of which 696 were upregulated and 557 downregulated in M1 macrophages compared with M2 macrophages...
September 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944842/mitochondrial-dna%C3%A2-induced-inflammatory-damage-contributes-to-myocardial-ischemia-reperfusion-injury-in-rats-cardioprotective-role-of-epigallocatechin
#9
Chao-Yi Qin, Hong-Wei Zhang, Jun Gu, Fei Xu, Huai-Min Liang, Kang-Jun Fan, Jia-Yu Shen, Zheng-Hua Xiao, Er-Yong Zhang, Jia Hu
Inflammation serves an important role in the pathogenesis of myocardial ischemia/reperfusion (I/R) injury. Fragments of endogenous damaged‑associated molecular patterns, recently identified as mitochondrial DNA (mtDNA), have been proven to be a potent pro‑inflammatory mediator. Epigallocatechin‑3‑gallate (EGCG) is able to regulate the expression levels of a series of inflammatory cytokines. However, the involvement of endogenous mtDNA in EGCG‑regulated inflammatory activities in the context of myocardial I/R injury remains to be elucidated...
September 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944828/protective-effects-of-gv1001-on-myocardial-ischemia%C3%A2-reperfusion-injury
#10
Ji-Eun Chang, Hyun Jun Kim, Sanghoon Jheon, Cheong Lim
The potential cardioprotective effects of the novel vaccine peptide GV1001 were evaluated in myocardial ischemia‑reperfusion injury induced rat models. GV1001 is a human telomerase reverse transcriptase derived peptide, which has been reported to possess both anti‑tumor and anti‑inflammatory effects. The normal saline (control group) and various concentrations (0.001‑10 mg/kg) of GV1001 were administered directly to the right ventricle anterior wall before induction of ischemia. The was induced by Tightening the snare around the left anterior descending coronary artery for 40 min, before releasing the snare for 10 min induced the myocardial ischemia‑reperfusion injury and was conducted in Sprague‑Dawley rats...
September 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944827/cerebral-ischemia-reperfusion-injury-induces-airway-mucus-hypersecretion-in-rats-and-activates-il%C3%A2-13%C3%A2-associated-inflammatory-mechanisms
#11
Baoning Xu, Lei Zhang, Yuqin Che, Chengyang Song, Wenjun Jiang, Jianhua Fan, Dali Tian
The majority of patients that suffer a stroke have excessive sputum, which accelerates the development of pulmonary complications. However, it is unclear whether cerebral ischemia and reperfusion (I/R) injury induces mucus hypersecretion, and the potential role of inflammation remains unknown. In the present study, the reversible middle cerebral artery occlusion model was applied in rats to induce cerebral I/R injury. The rats were grouped according to the duration of reperfusion (6, 12, 24, 48 and 72 h). Neurological dysfunction was evaluated by Longa scoring and lung dry‑to‑wet weight (dw/ww) ratios were determined to reflect the degree of mucus secretion...
September 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944326/the-anti-inflammatory-effect-of-hydrogen-sulphide-on-acute-necrotizing-pancreatitis-in-rats
#12
Kutay Sağlam, Etem Alhan, Serdar Türkyılmaz, Birgül Kural Vanizor, Cengiz Erçin
OBJECTIVE: The aim of this study was to investigate the dose-dependent anti-inflammatory effect of the Hydrogen sulfidedonor sodiumhydrosulphide on acute necrotizing pancreatitis in rats. MATERIAL AND METHODS: A total of 42 male Sprague-Dawley rats were divided into 4 groups: sham+saline (group 1), sham+NaHS (group 2), acute necrotizing pancreatitis+saline (group 3), and acute necrotizing pancreatitis+NaHS (group 4). Acute pancreatitis was induced in rats in groups 3 and 4 with the infusion of glycodeoxycholic acidinto the biliopancreatic canal and infusion of cerulein parenterally...
2017: Turk J Surg
https://www.readbyqxmd.com/read/28944271/the-effect-of-passive-heating-on-heat-shock-protein-70-and-interleukin-6-a-possible-treatment-tool-for-metabolic-diseases
#13
S H Faulkner, S Jackson, G Fatania, C A Leicht
Increasing physical activity remains the most widely publicized way of improving health and wellbeing. However, in populations that benefit most from exercise (EX), adherence is often poor and alternatives to EX are important to bring about health improvements. Recent work suggests a role for passive heating (PH) and heat shock proteins (HSP) in improving cardio-metabolic health. The aim of this study was to investigate the expression of HSP70 and interleukin-6 in response to either EX or PH and the subsequent effect on glucose control...
2017: Temperature: Multidisciplinary Biomedical Journal
https://www.readbyqxmd.com/read/28944088/loss-of-the-vitamin-d-receptor-in-human-breast-and-prostate-cancers-strongly-induces-cell-apoptosis-through-downregulation-of-wnt-%C3%AE-catenin-signaling
#14
Yu Zheng, Trupti Trivedi, Ruby Cy Lin, Colette Fong-Yee, Rick Nolte, Jeline Manibo, Yunzhao Chen, Musharraf Hossain, Konstantin Horas, Colin Dunstan, Hong Zhou, Markus J Seibel
Vitamin D co-regulates cell proliferation, differentiation and apoptosis in numerous tissues, including cancers. The known anti-proliferative and pro-apoptotic actions of the active metabolite of vitamin D, 1,25-dihydroxy-vitamin D [1,25(OH)2D] are mediated through binding to the vitamin D receptor (VDR). Here, we report on the unexpected finding that stable knockdown of VDR expression in the human breast and prostate cancer cell lines, MDA-MB-231 and PC3, strongly induces cell apoptosis and inhibits cell proliferation in vitro...
2017: Bone Research
https://www.readbyqxmd.com/read/28943877/%C3%AE-catenin-directs-nuclear-factor-%C3%AE%C2%BAb-p65-output-via-creb-binding-protein-p300-in-human-airway-smooth-muscle
#15
Tim Koopmans, Roos Eilers, Mark Menzen, Andrew Halayko, Reinoud Gosens
β-Catenin is a multifunctional protein that apart from its role in proliferative and differentiation events, also acts upon inflammatory processes, mainly via interaction with nuclear factor-κB (NF-κB). However, there is still controversy as to whether β-catenin facilitates or represses NF-κB output. Insights into the molecular mechanisms underlying the interaction between β-catenin and NF-κB have highlighted the cofactors CREB-binding protein (CBP) and p300 as important candidates. Here, we hypothesized that the interaction of β-catenin with CBP/p300 directs NF-κB output...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28943358/custom-glycosylation-of-cells-and-proteins-using-cyclic-carbamate-derivatized-oligosaccharides
#16
Marek W J Whitehead, Nikolay Khanzhin, Lubor Borsig, Thierry Hennet
The structural complexity of glycosylation restrains the functional characterization of glycans. We present a versatile carbohydrate ligation technique based on the reaction of cyclic carbamates with primary amines. Cyclic-carbamate-derivatized carbohydrates can be added to primary amine-containing molecules in aqueous solution to yield glycoconjugates. This method enabled the presentation of carbohydrate epitopes on live animal cells, as shown by the acquisition of E-selectin binding sites on mouse MC-38 cells decorated with 3-fucosyllactose or 3-fucosyl-3-sialyllactose...
September 6, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28942689/fetal-inflammatory-response-syndrome-firs-and-outcome-of-preterm-neonates-%C3%A2-a-prospective-analytical-study
#17
Francis, Vishnu Bhat, Nivedita Mondal, Bethou Adhisivam, Sajini Jacob, Gowri Dorairajan, Bn Harish
OBJECTIVES: To estimate the incidence of fetal inflammatory response syndrome (FIRS) in preterm neonates and correlate it with immediate and 1-year neurodevelopmental outcome. MATERIAL AND METHODS: This prospective observational analytical study, in preterm neonates with gestational age between 26 and 34 weeks was conducted from May 2014 to December 2015 in a tertiary care hospital in South India. FIRS was defined as the presence of either elevated levels of interleukin-6 (IL-6) in cord blood ≥ 11 pg/ml and / or the placental histopathology showing evidence of fetal inflammatory response...
September 24, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28942652/polyphenols-from-blossoms-of-citrus-aurantium-l-var-amara-engl-show-significant-anti-complement-and-anti-inflammatory-effects
#18
Chun-Yan Shen, Jian-Guo Jiang, Chun-Ling Huang, Wei Zhu, Chao-Yang Zheng
Citrus aurantium L. var. amara Engl. (CAVA) was traditionally used as a digestant or expectorant in China. Crude polyphenols (CAVAP-W) extracted from blossoms of CAVA were mainly composed of eriocitrin/neoeriocitrin, eriocitrin/neoeriocitrin, rhoifolin, hesperidin, naringin, rutin, veronicastroside, neohesperidin and hesperetin by LC-MS analysis. CAVAP-W showed significant anti-complement and anti-inflammatory effects. Due to the close relationship between anti-complement and anti-inflammatory activity, the anti-inflammatory effect was further investigated and the results showed that CAVAP-W significantly suppressed production of interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-α), interleukin-1beta (IL-1β), and mRNA expression of inducible nitric oxide synthase (iNOS), IL-6, TNF-α, IL-1β and cyclooxygenase-2 (COX-2) in lipopolysaccharides-stimulated RAW264...
September 24, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28942514/intrauterine-hyperglycemia-induced-inflammatory-signalling-via-the-receptor-for-advanced-glycation-end-products-in-the-cardiac-muscle-of-the-infants-of-diabetic-mother-rats
#19
Ritsuko Kawaharada, Haruna Masuda, Zhenyi Chen, Eric Blough, Tomoko Kohama, Akio Nakamura
PURPOSE: Gestational diabetes is associated with increased risk to the health of the mother and her offspring. In particular, the infants of diabetic mothers (IDMs) exhibit elevated levels of preterm birth, macrosomia, hypoglycemia, hypocalcemia, and cardiomyopathy. We have previously reported that IDMs showed abnormalities in cardiac Akt-related insulin signalling, and that these deficiencies in Akt-related signalling were attenuated by supplementing the maternal diet with fish-oil. Herein, we investigated whether the eicosapentaenoic acid (EPA) found in fish oil can be used to attenuate diabetes associated impairments in cardiomyocyte signalling...
September 23, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28942443/a-novel-role-of-sirt1-fgf-21-in-taurine-protection-against-cafeteria-diet-induced-steatohepatitis-in-rats
#20
Azza H Abd Elwahab, Basma K Ramadan, Mona F Schaalan, Amina M Tolba
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) is one of the alarmingly rising clinical problems in the 21st century with no effective drug treatment until now. Taurine is an essential amino acid in humans that proved efficacy as a non-pharmacological therapy in a plethora of diseases; however, its impact on NAFLD remains elusive. The aim of the current study is to evaluate the protective mechanism of taurine in experimental steatohepatitis induced by junk food given as cafeteria-diet (CAF-D) in male albino rats...
September 22, 2017: Cellular Physiology and Biochemistry
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