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interleukin 10

Sukyoung Choi, Soohan Jung, Kwang Suk Ko
Coffee roasting affects the taste, color, and aroma of coffee. The Maillard reaction, a major reaction during the roasting process, produces melanoidin, which affects the overall antioxidant capacity and anti-inflammatory effects of coffee. In this experiment, coffee roasting was divided into four degrees: Light, Medium, City, and French. To examine the in vivo antioxidant and anti-inflammatory effects of coffee extracts with different roasting degrees, we used 10-week-old male C57BL/6 mice. Mice were pre-treated with coffee extracts for 10 days by oral gavage (300 mg/Kg...
March 16, 2018: Nutrients
Lei Liu, Masashi Fujimoto, Fumi Nakano, Hirofumi Nishikawa, Takeshi Okada, Fumihiro Kawakita, Kyoko Imanaka-Yoshida, Toshimichi Yoshida, Hidenori Suzuki
Tenascin-C (TNC), a matricellular protein, is upregulated in brain parenchyma after experimental subarachnoid hemorrhage (SAH). Recent studies emphasize that early brain injury (EBI) should be overcome to improve post-SAH outcomes. The aim of this study was to investigate effects of TNC knockout (TNKO) on neuronal apoptosis and neuroinflammation, both of which are important constituents of EBI after SAH. C57BL/6 wild-type (WT) mice or TNKO mice underwent sham or filament perforation SAH modeling. Twenty-five WT mice and 25 TNKO mice were randomly divided into sham+WT (n = 10), sham+TNKO (n = 8), SAH+WT (n = 15), and SAH+TNKO (n = 17) groups...
March 15, 2018: Molecular Neurobiology
Lyle W Murray, Iman Satti, Jodi Meyerowitz, Matthew Jones, Christian B Willberg, James E Ussher, Dominique Goedhals, Jacob Hurst, Rodney E Phillips, Helen McShane, Cloete van Vuuren, John Frater
Background: Human immunodeficiency virus (HIV)-infected individuals have a higher risk of developing active tuberculosis (TB) than HIV-uninfected individuals, but the mechanisms underpinning this are unclear. We hypothesized that depletion of specific components of Mycobacterium tuberculosis (Mtb)-specific CD4+ and CD8+ T-cell responses contributed to this increased risk. Methods: Mtb-specific T-cell responses in 147 HIV-infected and 44 HIV-uninfected control subjects in a TB-endemic setting in Bloemfontein, South Africa, were evaluated...
March 13, 2018: Journal of Infectious Diseases
Peng You, Ning Chen, Lin Su, Tao Peng, Guodong Chen, Yulan Liu
Transforming growth factor β1 (TGF-β1) has a crucial role in regulating the balance of type 17 T-helper cells (Th17) and T regulatory cells (Tregs) that are involved in the pathogenesis of inflammatory bowel disease, while the function of local TGF-β1 in this process has remained to be fully elucidated. The present study investigated the effects of different local TGF-β1 levels on the Treg/Th17 balance and on the dexamethasone efficacy in mice with 2,4,6-trinitrobenzenesulfonic acid (TNBS)-induced colitis...
April 2018: Experimental and Therapeutic Medicine
Gairu Li, Yang Xiang, Jin Zhao, Junmin Chang
The in vitro immune activities of Saccharum Alhagi polysaccharides (SAP) have been previously studied. The present study aimed to investigate the effects of SAP-1 and SAP-2 on the activity of RAW264.7 mouse macrophages. RAW264.7 cells were treated with 150, 300 and 600 mg/l concentrations of SAP-1 (a 50% alcohol precipitation) and SAP-2 (an 80% alcohol precipitation) or with 10 mg/l lipopolysaccharide. Untreated cells were used as a negative control. An MTT assay was used to detect the proliferation of the cells, and Hoechst 33528 staining was conducted in order to visualize the cell nuclei...
April 2018: Experimental and Therapeutic Medicine
Renping Liu, Peihong Wang, Caiqing Wu, Juan Chen, Chengxin Li, Yongtao Xie, Qi Wang, Jianming Liu, Huan He, Jing Zhu
Hedyotis diffusa Willd (HDW) is a constituent of several Chinese medicines used clinically to treat inflammatory diseases, including airway inflammation. The aim of the present study was to investigate whether HDW serves a protective role in suppressing chronic airway inflammation and its underlying mechanisms. A mouse model of chronic smoking was induced via exposure to cigarette smoke (CS) for 30 days, increasing the exposure time for up to 5 min per day and the administration of lipopolysaccharide (LPS)...
April 2018: Experimental and Therapeutic Medicine
Peijuan Wang, Yan Lu, Si Chen, Yue Chen, Chunping Hu, Yawei Zuo
Autoimmune abnormality is one of the main causes of premature ovarian failure (POF). Bu Shen Huo Xue formula (BSHXF), a traditional Chinese medicine formula, has been clinically used for the treatment of patients with POF in China. Regulatory T cells (Tregs) are important in the pathogenesis of autoimmune POF. The aim of the present study was to evaluate the immunoprotective effects of BSHXF on POF and the underlying mechanisms. An experimental autoimmune POF model was induced in B6AF1 mice with zona pellucida 3 (ZP3) fragments...
April 2018: Experimental and Therapeutic Medicine
Xueliang Yang, Yunru Chen, Jian Zhang, Tiantian Tang, Ying Kong, Feng Ye, Xi Zhang, Xiaojing Liu, Shumei Lin
The present study aimed to evaluate whether thymosin α1 (Tα1) increases survival rates through the improvement of immunofunction and inhibition of hepatocyte apoptosis in rats with acute liver failure (ALF). A total of 25 rats were randomly divided into the control group (CG), the model group (MG) and the treatment group (TG). The CG received an intraperitoneal injection of saline (2 ml). The ALF rat model was established by the intraperitoneal injection of D-galactosamine (700 mg/kg) and lipopolysaccharide (10 µg/kg)...
April 2018: Experimental and Therapeutic Medicine
Ana Cardoso, Antonio Gil Castro, Ana Catarina Martins, Guilhermina M Carriche, Valentine Murigneux, Isabel Castro, Ana Cumano, Paulo Vieira, Margarida Saraiva
Inflammatory bowel disease encompasses a group of chronic-inflammatory conditions of the colon and small intestine. These conditions are characterized by exacerbated inflammation of the organ that greatly affects the quality of life of patients. Molecular mechanisms counteracting this hyperinflammatory status of the gut offer strategies for therapeutic intervention. Among these regulatory molecules is the anti-inflammatory cytokine interleukin (IL)-10, as shown in mice and humans. Indeed, IL-10 signaling, particularly in macrophages, is essential for intestinal homeostasis...
2018: Frontiers in Immunology
Aleksandra Mazur, Anthony Guernec, Jacky Lautridou, Julie Dupas, Emmanuel Dugrenot, Marc Belhomme, Michael Theron, François Guerrero
Introduction: Commercial divers, high altitude pilots, and astronauts are exposed to some inherent risk of decompression sickness (DCS), though the mechanisms that trigger are still unclear. It has been previously showed that diving may induce increased levels of serum angiotensin converting enzyme. The renin angiotensin aldosterone system (RAAS) is one of the most important regulators of blood pressure and fluid volume. The purpose of the present study was to control the influence of angiotensin II on the appearance of DCS...
2018: Frontiers in Physiology
Su Hwan Lee, Ju Hye Shin, Joo Han Song, Ah Young Leem, Moo Suk Park, Young Sam Kim, Joon Chang, Kyung Soo Chung
Insulin-like growth factor-1 (IGF-1) levels are known to increase in the bronchoalveolar lavage fluid (BALF) of patients with acute respiratory distress syndrome. Herein, we investigated the role of IGF-1 in lipopolysaccharide (LPS)-induced lung injury. In LPS-treated cells, expressions of receptor-interacting protein 3 (RIP3) and phosphorylated mixed lineage kinase domain-like protein (MLKL) were decreased in IGF-1 receptor small interfering RNA (siRNA)-treated cells compared to control cells. The levels of pro-inflammatory cytokines including interleukin (IL)-1β, IL-6, IL-10, tumour necrosis factor-α, and macrophage inflammatory protein 2/C-X-C motif chemokine ligand 2 in the supernatant were significantly reduced in IGF-1 receptor siRNA-treated cells compared to control cells...
March 12, 2018: Biochemical and Biophysical Research Communications
Brendan M Everett, Marc Y Donath, Aruna D Pradhan, Tom Thuren, Prem Pais, Jose C Nicolau, Robert J Glynn, Peter Libby, Paul M Ridker
BACKGROUND: Subclinical inflammation mediated in part by interleukin-1 beta (IL-1β) participates in peripheral insulin resistance and impaired pancreatic insulin secretion. OBJECTIVES: We tested the hypothesis that canakinumab, an IL-1β inhibitor, reduces incident diabetes. METHODS: The Canakinumab Antiinflammatory Thrombosis Outcomes Study (CANTOS) randomized 10,061 patients with prior MI and high-sensitivity C-reactive protein (hsCRP) ≥2 mg/L to placebo or canakinumab at doses of 50mg, 150mg, or 300mg subcutaneously once every three months...
March 3, 2018: Journal of the American College of Cardiology
Iwona Sembratowicz, Katarzyna Ognik
Gold nanoparticles (AuNPs) are one of the most examined nanomaterials, but information about their immunogenic potential is still insufficient. Understanding interaction of AuNPs with immune system is essential in designing their safety and possibilities of biomedical applications. An experiment was conducted to determine immunotropic activity of gold nanocolloid (AuNPs) administered orally to chickens depending on dose and duration time. 162 birds were assigned to 9 experimental groups of 18 birds each. The control group (C) did not receive AuNPs...
May 2018: Journal of Trace Elements in Medicine and Biology
Guo-Ying Sun, Hui-Hui Yang, Xin-Xin Guan, Wen-Jing Zhong, Yong-Ping Liu, Ming-Yuan Du, Xiao-Qin Luo, Yong Zhou, Cha-Xiang Guan
Vasoactive intestinal peptide (VIP) is one of the most abundant neuropeptides in the lungs with various biological characters. We have reported that VIP inhibited the expressions of TREM-1 and IL-17A, which are involved in the initiation and amplification of inflammation in acute lung injury (ALI). However, the overall effect of VIP on ALI remains unknown. The aim of this study is to investigate the therapeutic effect of VIP mediated by lentivirus (Lenti-VIP) on lipopolysaccharide (LPS)-induced murine ALI. We found that the expression of intrapulmonary VIP peaked at day7 after the intratracheal injection of Lenti-VIP...
March 12, 2018: Molecular Immunology
Yuko Arita, Michael Kirk, Neha Gupta, Ramkumar Menon, Darios Getahun, Morgan R Peltier
OBJECTIVE: Tributyltin (TBT) is a persistent pollutant but its effects on placental function are poorly understood as are its possible interactions with infection. We hypothesized that TBT alters the production of sex hormones and biomarkers for inflammation and neurodevelopment in an infection-dependent manner. METHODS: Placental explant cultures were treated with 0-5000 nM TBT in the presence and absence of Escherichia coli. A conditioned medium was harvested and concentrations of steroids (progesterone, P4; testosterone, T and estradiol, E2) as well as biomarkers of inflammation [interleukin (IL)-1β (IL-1β), tumor necrosis factor (TNF-α), IL-10, IL-6, soluble glycoprotein 130 (sgp-130) and heme oxygenase-1 (HO-1)], oxidative stress [8-iso-prostaglandin (8-IsoP)] and neurodevelopment [brain-derived neurotrophic factor (BDNF)] were quantified...
March 15, 2018: Journal of Perinatal Medicine
Peter A Nigrovic, Timothy Beukelman, George Tomlinson, Brian M Feldman, Laura E Schanberg, Yukiko Kimura
BACKGROUND: Systemic juvenile idiopathic arthritis is a rare febrile arthritis of childhood characterized by a potentially severe course, including prolonged glucocorticoid exposure, growth failure, destructive arthritis, and life-threatening macrophage activation syndrome. Early cytokine-blocking biologic therapy may improve long-term outcomes, although some systemic juvenile idiopathic arthritis patients respond well to non-biologic treatment, leaving optimal management undefined. Consequently, treatment of new-onset systemic juvenile idiopathic arthritis by expert clinicians varies widely...
March 1, 2018: Clinical Trials: Journal of the Society for Clinical Trials
Adriano Luís Soares De Souza, Stefan Rudin, Rui Chang, Keith Mitchell, Timothy Crandall, Shuning Huang, Ji-Kyung Choi, Shinji L Okitsu, Danielle L Graham, Blake Tomkinson, Tammy Dellovade
INTRODUCTION: Antigen-specific immunotherapy could provide a targeted approach for the treatment of multiple sclerosis that removes the need for broad-acting immunomodulatory drugs. ATX-MS-1467 is a mixture of four peptides identified as the main immune-dominant disease-associated T-cell epitopes in myelin basic protein (MBP), an autoimmune target for activated autoreactive T cells in multiple sclerosis. Previous animal studies have shown that ATX-MS-1467 treatment prevented the worsening of signs of disease in experimental autoimmune encephalitis (EAE) in the humanized (DR2 × Ob1)F1 mouse in a dose-dependent fashion...
March 14, 2018: Neurology and Therapy
Yuling Wu, Ahmad Akhgar, Jia J Li, Binbing Yu, Cecil Chen, Nancy Lee, Wendy I White, Lorin K Roskos
Assessment of anti-drug antibodies (ADAs) for neutralizing activity is important for the clinical development of biopharmaceuticals. Two types of neutralizing antibody (NAb) assays (competitive ligand-binding assay [CLBA] and cell-based assay [CBA]) are commonly used to characterize neutralizing activities. To support the clinical development of benralizumab, a humanized, anti-interleukin-5 receptor α, anti-eosinophil monoclonal antibody, we developed and validated a CLBA and a CBA. The CLBA and CBA were compared for sensitivity, drug tolerance, and precision to detect NAbs in serum samples from clinical trials...
March 14, 2018: AAPS Journal
Alireza Farsad-Naeimi, Mohammad Alizadeh, Ali Esfahani, Esmaeil Darvish Aminabad
A growing body of evidence indicates that inflammation is associated with tumorigenesis, metastasis and chemotherapeutic resistance in patients with colorectal cancer (CRC). Natural flavonoids are promising agents for inflammation-related tumor progression in patients with CRC. This study aimed to assess the efficacy of flavonoid fisetin supplementation on the inflammatory status and matrix metalloproteinase (MMP) levels in these patients. In this double-blind, randomized placebo-controlled clinical trial, 37 CRC patients undergoing chemotherapy were assigned to receive either 100 mg fisetin (n = 18) or placebo (n = 19) for seven consecutive weeks...
March 15, 2018: Food & Function
Huisheng Wu, Chaoliang Tang, Lydia Wai Tai, Weifeng Yao, Peipei Guo, Junmou Hong, Xin Yang, Xinyi Li, Zhao Jin, Jianjuan Ke, Yanlin Wang
Background & Aims:  Ischemic stroke has been ranked the second cause of death in patients worldwide.Inflammation which is activated during cerebral ischemia/reperfusion is an important mechanism leading to brain injury. This study aimed to investigate the effect of flurbiprofen axetil on cerebral I/R injury and the role of inflammation in this process. Methods:  Rats were subjected to sham operation or global cerebral I/R with or without flurbiprofen axetil (5 mg/kg or 10 mg/kg). Global cerebral ischemia was achieved by occlusion of bilateral common carotid arteries combined with hypotension for 20 min followed by reperfusion for 72 h...
March 14, 2018: Bioscience Reports
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