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https://www.readbyqxmd.com/read/28454394/variation-and-significance-of-secretory-immunoglobulin-a-interleukin-6-and-dendritic-cells-in-oral-cancer
#1
Suxin Zhang, Xin Zhang, Ke Yin, Tianke Li, Yang Bao, Zhong Chen
The present study aimed to determine changes in the concentration of secretory immunoglobulin A (SIgA) and interleukin 6 (IL-6) in the saliva of patients with oral cancer, to evaluate the abnormal expression of cluster of differentiation (CD) 1a, CD83, CD80 and CD86 on dendritic cells (DCs) of oral cancer tissues and to discuss the interaction between SIgA, IL-6 and DCs in oral cancer. A total of 40 patients between 27 and 70 years of age, median age 52 years, with primary oral cancer were enrolled in the present study, and a group of 20 healthy male and female volunteers was used as the control group...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28453369/inhibition-of-inflammatory-response-by-crocin-attenuates-hemorrhagic-shock-induced-organ-damages-in-rats
#2
Long Yang, Xiujuan Dong
Hemorrhagic shock (HS) is associated with an excessive activation of inflammation, contributing to multiple organ failure in numerous medical or surgical conditions. To explore the therapeutic potential of crocin, a natural compound with anti-inflammatory properties, we administered crocin to rats during resuscitation following HS induced by withdrawing blood. Compared with control animals which were sham-treated, HS-operated rats showed organ damages as manifested by enhanced markers of multiple organ dysfunctions...
April 28, 2017: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/28448991/participation-of-antidiuretic-hormone-adh-in-asthma-exacerbations-induced-by-psychological-stress-via-pka-pkc-signal-pathway-in-airway-related-vagal-preganglionic-neurons-avpns
#3
Lili Hou, Lei Zhu, Min Zhang, Xingyi Zhang, Guoqing Zhang, Zhenwei Liu, Qiang Li, Xin Zhou
AIMS: Present study was performed to examine whether ADH was implicated in psychological stress asthma and to explore the underlying molecular mechanism. METHODS: We not only examined ADH levels in the cerebrospinal fluid (CSF) via radioimmunoassay, but also measured ADH receptor (ADHR) expression in airway-related vagal preganglionic neurons (AVPNs) through real-time PCR in all experimental mice. Western blotting was performed to evaluate the relationship between ADH and PKA/PKC in psychological stress asthma...
April 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28448973/downregulations-of-cd36-and-calpain-1-inflammation-and-atherosclerosis-by-simvastatin-in-apolipoprotein-e-knockout-mice
#4
Meihui Yin, Qianqian Liu, Lan Yu, Yueyan Yang, Meili Lu, Hongxin Wang, Duosheng Luo, Xianglu Rong, Futian Tang, Jiao Guo
BACKGROUND: In the previous in vitro study, we found that simvastatin decreased the protein expression of CD36, the scavenger receptor, and calpain-1, the Ca2+-sensitive cysteine protease, in oxidized low-density lipoprotein (oxLDL)-treated macrophages. In this in vivo study, we investigated whether simvastatin downregulates the expression of CD36 and calpain-1 and inhibits the inflammation and atherosclerosis in apolipoprotein E knockout (ApoE KO) mice. METHODS: Twenty male 6-week-old ApoE KO mice were divided into 2 groups: the ApoE KO group and the ApoE KO + simvastatin (ApoE KO + Sim) group...
April 28, 2017: Journal of Vascular Research
https://www.readbyqxmd.com/read/28448563/corticosteroids-effects-on-lps-induced-rat-inflammatory-keratocyte-cell-model
#5
Huize Yan, Yingwei Wang, Shuhao Shen, Zheng Wu, Pengxia Wan
PURPOSE: Corticosteroids are efficient anti-inflammation treatments. However, there are still arguments on whether it should be used in keratitis. This study was to observe the effect of corticosteroids on keratocytes both in normal condition and inflammation status in vitro. METHODS: Rat keratocytes were cultured and used for examination. 10 μg/ml lipopolysaccharide (LPS) was used to establish the inflammatory keratocyte cell model, and prednisolone acetate (PA), dexamethasone (Dex) and fluorometholone (Flu) were used as corticosteroids treatments...
2017: PloS One
https://www.readbyqxmd.com/read/28448521/immunization-with-toxoplasma-gondii-peroxiredoxin-1-induces-protective-immunity-against-toxoplasmosis-in-mice
#6
Ragab M Fereig, Yasuhiro Kuroda, Mohamad Alaa Terkawi, Motamed Elsayed Mahmoud, Yoshifumi Nishikawa
To develop a vaccine against Toxoplasma gondii, a vaccine antigen with immune-stimulating activity is required. In the present study, we investigated the immunogenicity and prophylactic potential of T. gondii peroxiredoxin 1 (TgPrx1). The TgPrx1 was detected in the ascitic fluid of mice 6 days postinfection, while specific antibody levels were low in the sera of chronically infected mice. Treatment of murine peritoneal macrophages with recombinant TgPrx1 triggered IL-12p40 and IL-6 production, but not IL-10 production...
2017: PloS One
https://www.readbyqxmd.com/read/28447514/neuroprotective-effects-of-ellagic-acid-on-cuprizone-induced-acute-demyelination-through-limitation-of-microgliosis-adjustment-of-cxcl12-il-17-il-11-axis-and-restriction-of-mature-oligodendrocytes-apoptosis
#7
Nima Sanadgol, Fereshteh Golab, Zakiyeh Tashakkor, Nooshin Taki, Samira Moradi Kouchi, Ali Mostafaie, Mehdi Mehdizadeh, Mohammad Abdollahi, Ghorban Taghizadeh, Mohammad Sharifzadeh
CONTEXT: Ellagic acid (EA) is a natural phenol antioxidant with various therapeutic activities. However, the efficacy of EA has not been examined in neuropathologic conditions. OBJECTIVE: In vivo neuroprotective effects of EA on cuprizone (cup)-induced demyelination were evaluated. MATERIAL AND METHODS: C57BL/6 J mice were fed with chow containing 0.2% cup for 4 weeks to induce oligodendrocytes (OLGs) depletion predominantly in the corpus callosum (CC)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28447512/centella-asiatica-enhances-hepatic-antioxidant-status-and-regulates-hepatic-inflammatory-cytokines-in-type-2-diabetic-rats
#8
Ayodeji B Oyenihi, Novel N Chegou, Oluwafemi O Oguntibeju, Bubuya Masola
CONTEXT: Neutralizing the over-activation of oxidative stress and inflammation remains an important goal in the management of type 2 diabetes mellitus (T2DM). Centella asiatica (L.) Urban (Apiaceae) (CA) has been used in traditional folklore in Africa and Asia to treat various ailments including diabetes. OBJECTIVE: We investigated the hepatic antioxidant and anti-inflammatory potential of methanol extract of CA leaves in T2DM. MATERIALS AND METHODS: T2DM was induced in male Sprague-Dawley rats with 10% fructose in drinking water for 14 days followed by a single intraperitoneal injection of streptozotocin (40 mg/kg b...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28446897/toll-like-receptor-4-myeloid-differentiation-primary-response-gene-88-pathway-is-involved-in-the-inflammatory-development-of-polymyositis-by-mediating-interferon-%C3%AE-and-interleukin-17a-in-humans-and-experimental-autoimmune-myositis-mouse-model
#9
Hongya Zhang, Fangyuan He, Ming Shi, Wenxiu Wang, Xiaojia Tian, Juan Kang, Wenjuan Han, Rui Wu, Linfu Zhou, Mengmeng Hu, Xiaobo Li, Fang Mi, Gang Zhao, Hongge Jia
OBJECTIVE: Toll-like receptor 4 (TLR4) is one of the key players in the development of many autoimmune diseases. To determine the possible role of TLR4 in polymyositis (PM) development, we collected muscle samples from PM patients and mice subjected to an experimental autoimmune myositis (EAM) model. METHODS: We measured TLR4-MyD88 pathway-related factors, interferon-γ (IFN-γ), and interleukin-17A (IL-17A) in EAM mice and PM patients. Then, we observed the changes of above factors and the inflammatory development of EAM mice with TLR4 antagonist TAK-242, IFN-γ, or IL-17A antibody treatment...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28446753/histamine-and-histamine-h4-receptor-promotes-osteoclastogenesis-in-rheumatoid-arthritis
#10
Kyoung-Woon Kim, Bo-Mi Kim, Kyung-Ann Lee, Sang-Heon Lee, Gary S Firestein, Hae-Rim Kim
Histamine H4 receptor (H4R) has immune-modulatory and chemotaxic effects in various immune cells. This study aimed to determine the osteoclastogenic role of H4R in rheumatoid arthritis (RA). The concentration of histamine in synovial fluid (SF) and sera in patients with RA was measured using ELISA. After RA SF and peripheral blood (PB) CD14+ monocytes were treated with histamine, IL-17, IL-21 and IL-22, and a H4R antagonist (JNJ7777120), the gene expression H4R and RANKL was determined by real-time PCR. Osteoclastogenesis was assessed by counting TRAP-positive multinucleated cells in PB CD14+ monocytes cultured with histamine, Th17 cytokines and JNJ7777120...
April 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28446566/induction-of-adaptive-immunity-leads-to-nigrostriatal-disease-progression-in-mptp-mouse-model-of-parkinson-s-disease
#11
Goutam Chandra, Avik Roy, Suresh B Rangasamy, Kalipada Pahan
Although the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) mouse model is the most widely used animal model for Parkinson's disease (PD), it is known that nigrostriatal pathologies do not persist in the acute MPTP mouse model. This study highlights the importance of adaptive immunity in driving persistent and progressive disease in acute MPTP-intoxicated mice. Although marked infiltration of T cells into the nigra was found on 1 d of MPTP insult, T cell infiltration decreased afterward, becoming normal on 30 d of insult...
April 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28446304/-il-33-and-sst2-levels-in-serum-of-children-with-henoch-sch%C3%AE-nlein-purpura-and-their-clinical-significance
#12
Fei Wang, Li-Li Dong
OBJECTIVE: To investigate the serum IL-33 and sST2 levels in children with Henoch-Schonlein purpura (HSP), and explore their clinical significance. METHODS: Total 27 HSP patients and 22 healthy controls were enrolled in present study. The expressions of IL-33 and sST2 were measured by enzyme linked immunosorbent assay (ELISA). Using real-time quantitative polymerase chain reaction (RT-PCR), the mRNA expression of IL-33 and sST2 were detected in all subjects. RESULTS: The level of the IL-33 in the serum of HSP group and control group was 365...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28445497/prostaglandin-e2-produced-following-infection-with-theiler-s-virus-promotes-the-pathogenesis-of-demyelinating-disease
#13
Seung Jae Kim, Young-Hee Jin, Byung S Kim
Infection of various cells with Theiler's murine encephalomyelitis virus (TMEV) activates the TLR- and melanoma differentiation-associated gene 5 (MDA5)-dependent pathways, resulting in the production of IL-1β via the activation of caspase-1 upon assembly of the node-like receptor protein 3 (NLRP3) inflammasome. The role of IL-1β in the pathogenesis of TMEV-induced demyelinating disease was previously investigated. However, the signaling effects of prostaglandin E2 (PGE2) downstream of the NLRP3 inflammasome on the immune responses to viral determinants and the pathogenesis of demyelinating disease are unknown...
2017: PloS One
https://www.readbyqxmd.com/read/28445259/the-role-of-stat3-and-ahr-in-the-differentiation-of-cd4-t-cells-into-th17-and-treg-cells
#14
Xingxing Liu, Hui Hu, Heng Fan, Dongmei Zuo, Zhexing Shou, Yi Liao, Zhen Nan, Qing Tang
BACKGROUND: This study aimed to investigate the role of aryl hydrocarbon receptor (AhR) and STAT3 gene during the differentiation of cluster of differentiation (CD)4 T cells into T helper (Th)17 and T regulatory (Treg) cells. METHODS: First, CD4 T cells were isolated from the spleen of BALB/c mice. Then, stable CD4 T cells expressing STAT3 shRNA were constructed. CD4 T cells were assigned to one of the following treatments: Th17 group: antibodies against CD3 and CD28, 2...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28444853/experimental-type-2-diabetes-induction-reduces-serum-vaspin-but-not-serum-omentin-in-wistar-rats
#15
Cynthia Aparecida de Castro, Karina Ana da Silva, Marina Molina Buffo, Karina Nogueira Zambone Pinto, Fernanda de Oliveira Duarte, Keico Okino Nonaka, Fernanda de Freitas Aníbal, Ana Cláudia Garcia de Oliveira Duarte
Vaspin and omentin are adipose tissue adipokines that have often been related to obesity and its comorbidities. The aim of this study was to investigate the behaviour of serum omentin and vaspin in models of type 2 diabetes. To do this, Wistar rats (~200 g) were randomly divided into two groups: a non-diabetic group (n = 6) and a diabetic group fed on a high-fat diet (n = 6) and a low dose of streptozotocin (Sigma(®) ). All procedures were approved by the Brazilian Ethics Committee. Body weight (BW) and food intake were recorded daily...
April 25, 2017: International Journal of Experimental Pathology
https://www.readbyqxmd.com/read/28444548/post-effect-of-air-quality-improvement-on-biomarkers-for-systemic-inflammation-and-microparticles-in-asthma-patients-after-the-2008-beijing-olympic-games-a-pilot-study
#16
Jinming Gao, Xiaohua Xu, Zhekang Ying, Lei Jiang, Mianhua Zhong, Aixia Wang, Lung-Chi Chen, Bo Lu, Qinghua Sun
This study's aim was to investigate the post-effect of an air quality improvement on systemic inflammation and circulating microparticles in asthmatic patients during, and 2 months after, the Beijing Olympics 2008. We measured the levels of circulating inflammatory cytokines and microparticles in the peripheral blood from asthma patients and healthy controls during (phase 1), and 2 months after (phase 2) the Beijing 2008 Olympic Games. The concentrations of circulating cytokines (including TNFα, IL-6, IL-8, and IL-10) were still seen reduced in phase 2 when compared with those in phase 1...
April 25, 2017: Inflammation
https://www.readbyqxmd.com/read/28444107/apelin-13-inhibits-lipoprotein-lipase-expression-via-the-apj-pkc%C3%AE-mir-361-5p-signaling-pathway-in-thp-1-macrophage-derived-foam-cells
#17
Xin Zhang, Qiong Ye, Duo Gong, Yuan Lv, Haipeng Cheng, Chong Huang, Lingyan Chen, Zhenwang Zhao, Liang Li, Xie Wei, Min Zhang, Xiaodan Xia, Xiaohua Yu, Xilong Zheng, Shuzhi Wang, Zongbao Wang, Chaoke Tang
Atherosclerotic lesions are characterized by the accumulation of abundant lipids and chronic inflammation. Previous researches have indicated that macrophage-derived lipoprotein lipase (LPL) promotes atherosclerosis progression by accelerating lipid accumulation and pro-inflammatory cytokine secretion. Although apelin-13 has been regarded as an atheroprotective factor, it remains unclear whether it can regulate the expression of LPL. The aim of this study was to explore the effects of apelin-13 on the expression of LPL and the underlying mechanism in THP-1 macrophage-derived foam cells...
April 21, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28442574/the-r753q-polymorphism-in-toll-like-receptor-2-tlr2-attenuates-innate-immune-responses-to-mycobacteria-and-impairs-myd88-adapter-recruitment-to-tlr2
#18
Goutham Pattabiraman, Rahul Panchal, Andrei E Medvedev
Toll-like receptor (TLR) 2 plays a critical role in host defenses against mycobacterial infections. The Arg753Gln (R753Q) TLR2 polymorphism has been associated with increased incidence of tuberculosis and infections with non-tuberculous mycobacteria in human populations, but the mechanisms by which this polymorphism affects TLR2 signaling are unclear. In this study, we determined the impact of the R753Q TLR2 polymorphism on macrophage sensing of Mycobacterium smegmatis. Upon infection with M. smegmatis, macrophages from knock-in (KI) mice harboring R753Q TLR2 expressed lower levels of TNF-α, IL-1β, IL-6 and IL-10 compared to cells from wild-type (WT) mice but both R753Q TLR2 and WT mice exhibited comparable bacterial burdens...
April 25, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28442395/association-of-genetic-variations-in-il-6-il-6r-pathway-genes-with-gastric-cancer-risk-in-a-chinese-population
#19
Jian-Zhi Zhang, Chang-Ming Liu, Hui-Ping Peng, Ying Zhang
Interleukin-6 (IL-6) and its receptor (IL-6R) were regarded to be responsible for the occurrence of gastric cancer for their regulation roles in the inflammation. The genetic variations in these two genes (IL-6: rs6949149, rs1800796, rs10499563 and IL-6R:rs2228145) have been suggested to be associated with gastric cancer risk. However, the published results were inconsistent among subjects of different ethnicity. To evaluate such an association in Chinese population, we carried out this case-control study based on 473 patients with gastric cancer and 474 healthy controls, whose genotype were detected by the Sequenom MassARRAY platform, and Helicobacter pylori infection was assessed by immunogold testing kit...
April 22, 2017: Gene
https://www.readbyqxmd.com/read/28442377/zerumbone-reduced-the-inflammatory-response-of-acute-lung-injury-in-endotoxin-treated-mice-via-akt-nf%C3%AE%C2%BAb-pathway
#20
Yung-Chyuan Ho, Shiuan-Shinn Lee, Ming-Ling Yang, Rosa Huang Liu, Chien-Ying Lee, Yi-Ching Li, Yu-Hsiang Kuan
Zerumbone, a cyclic eleven-membered sesquiterpene, is the major component of the essential oil isolated from the wild ginger, Zingiber zerumbet. There are several beneficial pharmacological activities of zerumbone including anti-inflammatory, antioxidant, and anticancer activities. Acute lung injury (ALI) is an acute pulmonary inflammatory disorder with high morbidity and mortality rate. In present study, we aimed to investigate the protective effects and mechanisms of zerumbone on endotoxin, lipopolysaccharide (LPS)-induced ALI...
April 22, 2017: Chemico-biological Interactions
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