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Na Xu, Jun Chu, Min Wang, Ling Chen, Liang Zhang, Zhongwen Xie, Jinsong Zhang, Chi-Tang Ho, Daxiang Li, Xiaochun Wan
Large yellow tea is a traditional beverage in China with unique toasty flavor. Preliminary study using 3T3-L1 cells indicted that large yellow tea, possessed more potent lipid-lowering efficacy than green, black, dark and white teas. In the present study we further investigated its influence on metabolic syndrome in high-fat diet (HFD) mouse model with an emphasis on dose response. Thirty-two C57BL/6 male mice were randomly divided into 4 groups: low-fat diet (LFD), HFD, HFD+2.5% large yellow tea hot-water extract (YT, equivalent to 10 cups of tea daily for humans), HFD+0...
March 19, 2018: Journal of Agricultural and Food Chemistry
Kirstin Harling, Ernest Adankwah, Alptekin Güler, Anthony Afum-Adjei Awuah, Louis Adu-Amoah, Ertan Mayatepek, Ellis Owusu-Dabo, Norman Nausch, Marc Jacobsen
T-cells critically contribute to protection against Mycobacterium tuberculosis infection, and impaired T-cell responses can lead to disease progression. Pro-inflammatory and immunosuppressive cytokines affect T-cells, and fine-tuned regulation of cytokine signaling via the Jak/STAT signaling pathways is crucial for appropriate T-cell function. Constitutive STAT3 phosphorylation as a consequence of aberrant cytokine signaling has been described to occur in pathognomonic T-cell responses in inflammatory and autoimmune diseases...
March 19, 2018: Cellular & Molecular Immunology
Airi Ohsaki, Yuki Miyano, Rei Tanaka, Sei-Ichi Tanuma, Shuji Kojima, Mitsutoshi Tsukimoto
Skin inflammation is caused by excessive production of cytokines and chemokines in response to an external stimulus, such as radiation, but the mechanisms involved are not completely understood. Here, we report a novel mechanism of γ-irradiation-induced IL-6 production mediated by P2Y11 receptors in epidermal cells. After irradiation of HaCaT cells derived from human epidermal keratinocytes with 5 Gy of γ-rays (137 Cs : 0.78 Gy/min), IL-6 production was unchanged at 24 h after γ-irradiation, but was increased at 48 h...
March 16, 2018: Biological & Pharmaceutical Bulletin
Wen Tan, Lin Chen, Ya-Xin Wang, Li-Sha Hu, Wei Xiong, You Shang, Shang-Long Yao
Background: Acute lung injury (ALI) is a severe disease with high mortality and poor prognosis. Protectin DX (PDX), a pro-resolving lipid mediator, exhibits protective effects in ALI. Our experiment aimed to explore the effects and related mechanisms of PDX in mice with ALI induced by lipopolysaccharide (LPS). Methods: BALB/c mice were randomly divided into five groups: sham, LPS, LPS plus 1 ng of PDX (LPS + PDX-1 ng), LPS plus 10 ng of PDX (LPS + PDX-10 ng), and LPS plus 100 ng of PDX (LPS + PDX-100 ng)...
March 19, 2018: Chinese Medical Journal
Ali Duyu, Elvan Çağlar Çıtak, Erdem Ak, Serhan Kupeli, Begül Yağcı Küpeli, İbrahim Bayram, Gülay Sezgin, Gülçin Eskendari, Kerem Sezer
OBJECTIVE: In this study, we evaluated the frequency of euthyroid sick syndrome (ESS) among patients with childhood cancer and its association with the stage of disease, nutritional parameters and cytokines levels. METHODS: Eighty newly diagnosed children were included into study. ESS was diagnosed in two different ways:Criteria 1; fT3 was below the lower limit, fT4 was within the normal or low limits, TSH was in normal range and in criteria 2 all the levels were same as criteria 1 but moreover rT3 was performed and was higher than normal limits...
March 19, 2018: Journal of Clinical Research in Pediatric Endocrinology
Ricardo Cáceda, W Sue T Griffin, Pedro L Delgado
BACKGROUND: Increased inflammation is linked to suicide risk. However, it is unclear whether increased inflammation drives suicidal crises or is a trait associated with lifetime suicidal behavior. Limited data exist on the sources of increased inflammation observed in suicidal patients and on its downstream effects. AIMS: To examine factors associated with inflammation and with suicidal ideation severity in acutely suicidal depressed patients. METHODS: Fifty-two adult depressed patients of both sexes hospitalized for severe suicidal ideation were characterized for suicidality, depression, anxiety, medical comorbidity, psychological and physical pain, impulsivity, verbal fluency, C-reactive protein (CRP) and interleukin (IL) 6...
March 1, 2018: Journal of Psychopharmacology
Xingchun Peng, Jun Shi, Wanqun Sun, Xuzhi Ruan, Yang Guo, Lunhua Zhao, Jue Wang, Bin Li
IL-6 is critical for tumorigenesis. However, previous studies on the association of IL-6 promoter polymorphisms with predisposition to different cancer types are somewhat contradictory. Therefore, we performed this meta-analysis regarding the relationship between IL-6 promoter single nucleotide polymorphisms and cancer susceptibility and prognosis. Up to April 2017, 97 original publications were identified covering three IL-6 promoter SNPs. Our results showed statistically significant association between IL-6 promoter and cancer risk and prognosis...
February 23, 2018: Oncotarget
Lixia Fu, Jing Guan, Yujia Zhang, Pei Ma, Yuanyuan Zhuang, Jinye Bai, Yasi Ding, Qi Hou, Wan Gong, Mingbao Lin, Wensheng Zheng, Jianmin Zhang
Background: Tulobuterol patch, one of strongest bronchodilators, was recently shown to improve bronchial hyperresponsiveness and significantly decrease the sputum eosinophil counts by combining with nonspecific anti-inflammatory drugs on patients with asthma. However, there is limited study on the anti-inflammatory activities of tulobuterol patch and its potential machenism. Results: The tulobuterol patch significantly ameliorated inflammatory cell infiltration in the lung tissue, reduced the number of total leukocytes and its differential count, markedly reduced the production of IL-1β, TNF-α, IL-6, CCL-11 and IL-4 in bronchial alveolar lavage fluid, as well as a reduction in IL-4/IFN-γ ratio...
February 23, 2018: Oncotarget
Dan Wei, Ningning Zheng, Lanyan Zheng, Leting Wang, Liang Song, Luning Sun
Background: Metabolic syndrome (MS) is a global epidemic that has great socioeconomic and public health implications. This study reports observed effects of the Shexiang Baoxin Pill (SBP) in a rat model of MS and explores its underlying mechanisms of action. Methods: A diet-induced rat model of MS was established according to accepted methods, and the rats were randomly divided into two groups: a control group (0.9% NaCl, 100 mg/kg• d) and a SBP-treated group (SBP, 100 mg/kg• d). Systolic blood pressures, fasting blood glucose (FBS) levels, triglyceride (TG) levels, high-density lipoprotein cholesterol (HDL-C) levels, body weights, and abdominal perimeters were dynamically monitored and analyzed...
2018: Frontiers in Pharmacology
Huidong Li, Pei Zhang, Shuaifang Yuan, Huiyuan Tian, Dandan Tian, Min Liu
Objective: To establish early diagnosis model of inflammatory factors for atherosclerosis (AS), providing theoretical evidence for early detection of AS and development of plaques. Methods: Serum samples were collected to detect the inflammatory factors including CysC, Hcy, hs-CRP, UA, FIB, D-D, LP (a), IL-6, SAA, sCD40L and MDA. Using Logistic regression analysis, the inflammatory factors used for modeling were screened out, and then the AS early diagnosis models were established based on receiver operating characteristic (ROC) curve, support vector machine and BP neural network respectively...
December 2017: Saudi Journal of Biological Sciences
Hui-Ying Xu, Guang-Hua Fu, Gui-Sheng Wu
Objective: To investigate the effect of dexmedetomidine at maintenance dose on the postoperative function of elder patients after general anesthesia for laparoscopic ovarian cystectomy. Methods: We enrolled a total of 96 elder patients who were admitted to this hospital for laparoscopic ovarian cystectomy under general anesthesia between March 2015 and March 2017, and divided them into two groups, Group A (n = 48) and B (n = 48). Patients in both groups received the same methods for anesthesia induction and maintenance drugs...
December 2017: Saudi Journal of Biological Sciences
Hisako Ibaraki, Takanori Kanazawa, Yuuki Takashima, Hiroaki Okada, Yasuo Seta
Nucleic acid-based targeting of nuclear factor kappaB (NF-κB) is gaining attention as a treatment option for skin diseases like atopic dermatitis (AD). Transdermal administration improves patient quality of life because of non-invasive; however, siRNA delivery into the skin can be challenging owing to the barrier of tight junctions in the granular layer. Therefore, we aimed to develop a delivery system of siRNA for topical skin application using functional peptides. We previously reported that combined treatment with a cytoplasm-responsive stearylated-arginine-rich peptide (STR-CH2 R4 H2 C) and a tight junction opening peptide (AT1002) showed high siRNA permeability in the skin of AD-induced and normal mice...
March 15, 2018: International Journal of Pharmaceutics
Chenke Xu, Wei Wang, Jin Zhong, Fan Lei, Naihan Xu, Yaou Zhang, Weidong Xie
Canagliflozin (CAN) regulates intracellular glucose metabolism by targeting sodium-glucose co-transporter 2 (SGLT2) and intracellular glucose metabolism affects inflammation. In this study, we hypothesized that CAN might exert anti-inflammatory effects. The anti-inflammatory effects and action mechanisms of CAN were assayed in lipopolysaccharide (LPS)-induced RAW264.7 and THP-1 cells and NIH mice. Results showed that CAN significantly inhibited the production and release of interleukin (IL)-1, IL-6, or tumor necrosis factor-α (TNF-α) in the LPS-induced RAW264...
March 15, 2018: Biochemical Pharmacology
Angelique L W M M Rops, Erik Jansen, Alie van der Schaaf, Elmar Pieterse, Nils Rother, Julia Hofstra, Henry B P M Dijkman, Anne-Els van de Logt, Jack Wetzels, Johan van der Vlag, Annemiek B van Spriel
Immunoglobulin A (IgA) nephropathy (IgAN), the most common glomerulonephritis worldwide, is characterized by IgA depositions in the kidney. Deficiency of CD37, a leukocyte-specific tetraspanin, leads to spontaneous development of renal pathology resembling IgAN. However, the underlying molecular mechanism has not been resolved. Here we found that CD37 expression on B cells of patients with IgAN was significantly decreased compared to B cells of healthy donors. Circulating interleukin (IL)-6 levels, but not tumor necrosis factor-α or IL-10, were elevated in Cd37-/- mice compared to wild-type mice after lipopolysaccharide treatment...
March 15, 2018: Kidney International
Yuqiu Zheng, Wenli Fang, Shengnuo Fan, Wang Liao, Ying Xiong, Shaowei Liao, Yi Li, Songhua Xiao, Jun Liu
Neurotropin (NTP) is a widely used drug in China and Japan mainly for the treatment of chronic pain and peripheral inflammation. Nevertheless, the effects of NTP on neuroinflammation have not been explored. In this study, we investigated the anti-inflammatory effects of NTP in lipopolysaccharide (LPS)-stimulated BV-2 microglial cells and its underlying mechanisms. BV-2 cells were pretreated with NTP for 12 h before exposure to LPS. The expression of pro-inflammatory cytokines (TNF-α and IL-6) were detected by RT-PCR and EILSA at mRNA and protein levels, respectively...
February 27, 2018: Journal of Pharmacological Sciences
Fayin Tang, Kefeng Fan, Kunli Wang, Chuanzhou Bian
Acute lung injury (ALI) arises from uncontrolled pulmonary inflammation with high mortality rates. Atractylodin (Atr) is a polyethylene alkynes and has been reported to possess anti-inflammation effect. Thus, we aimed to investigate the protective effect of Atr on lipopolysaccharide (LPS)-induced inflammatory responses ALI. The results indicated that Atr treatment not only significantly attenuated LPS-stimulated histopathological changes but also lessened the myeloperoxidase (MPO) activity, the wet-to-dry weight ratio of the lungs, protein leakage and infiltration of inflammatory cells...
February 2, 2018: Journal of Pharmacological Sciences
Mohamad Hafizi Abu Bakar, Nany Hairunisa, Hasniza Zaman Huri
Altered mitochondrial DNA (mtDNA) is the most common denominator to numerous metabolic diseases. The present study sought to investigate the correlation between mtDNA content in lymphocytes and associated clinical risk factors for impaired fasting glucose (IFG). We included 23 healthy control and 42 IFG participants in this cross-sectional study. The measurements of mtDNA content in lymphocytes and pro-inflammatory markers derived from both normal and diseased individuals were quantified. Spearman partial correlation and multivariate statistical analyses were employed to evaluate the association between mtDNA content and other metabolic covariates in IFG...
March 17, 2018: Clinical and Experimental Medicine
Jun Wu, Wei Wang
The present study was aimed at identifying the association between interleukin family gene polymorphisms and recurrent aphthous stomatitis (RAS) risk using a meta-analysis. We searched the PubMed, web of science, Embase and ScienceDirect-Elsevier databases for research on the interleukin polymorphism and RAS risk. In total 12 studies were included to investigate the relationships between RAS risk and six polymorphisms by calculating pooled odds ratios (ORs) and 95% confidence intervals (CIs). A significant association was found between IL-1β+3954C/T polymorphism and RAS risk...
March 18, 2018: Genes and Immunity
Zhiquan Lv, Chong Liu, Meili Zhai, Qian Zhang, Jun Li, Fang Zheng, Mingqing Peng
BACKGROUND/AIMS: Lipopolysaccharide (LPS) pretreatment has a strong neuroprotective effect on cerebral ischaemia/reperfusion injury (IRI), but the mechanism has not been fully elucidated to date. This study investigated the effect of LPS pretreatment on the pathway mediated by endoplasmic reticulum (ER) stress-CCAAT/enhancer-binding protein- homologous protein (CHOP) and the role of this pathway on cerebral ischaemia/reperfusion (I/R)-induced inflammation and apoptosis. METHODS: Healthy male BALB/c mice were randomised into four groups as follows: sham operation group (sham group, n=30); LPS group (BALB/c mice treated with LPS, n=30); ischaemia/reperfusion group (I/R group, n=30) and I/R+LPS group (BALB/c mice treated with LPS before ischaemia, n=30)...
March 10, 2018: Cellular Physiology and Biochemistry
Meng Zhao, Yahui Liu, Ran Liu, Jin Qi, Yongwang Hou, Jiao Chang, Li Ren
BACKGROUND/AIMS: Cytokines are key players in tumorigenesis and are potential targets in cancer treatment. Although IL-6 has attracted considerable attention, interleukin 11 (IL-11), another member of the IL-6 family, has long been overlooked, and little is known regarding its specific function in non-small cell lung cancer (NSCLC). In this study, we explored IL-11's role in NSCLC and the detailed mechanism behind it. METHODS: Cell proliferation in response to IL-11 was determined by colony formation, BrdU incorporation and MTS (3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium) assay...
March 10, 2018: Cellular Physiology and Biochemistry
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