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https://www.readbyqxmd.com/read/29679925/tocotrienol-rich-fraction-supplementation-reduces-hyperglycemia-induced-skeletal-muscle-damage-through-regulation-of-insulin-signaling-and-oxidative-stress-in-type-2-diabetic-mice
#1
Heaji Lee, Yunsook Lim
Chronic hyperglycemia induces impairment of muscle growth and development of diabetes mellitus (DM). Since skeletal muscle is the major site for disposal of ingested glucose, impaired glucose metabolism causes imbalance between protein synthesis and degradation which adversely affects physical mobility. In this study, we investigated the effect of tocotrienol-rich fraction (TRF) supplementation on skeletal muscle damage in diabetic mice. Diabetes was induced by a high-fat diet with streptozotocin (STZ) injection (100 mg/kg) in male C57BL/6J mice...
March 21, 2018: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29679904/tanshinone-iia-protects-murine-chondrogenic-atdc5-cells-from-lipopolysaccharide-induced-inflammatory-injury-by-down-regulating-microrna-203a
#2
Luan Luan, Zhiyuan Liang
BACKGROUND: Osteoarthritis is the most common bone-joint disease in middle and older people all over the world. Tanshinone IIA (Tan IIA) is the main lipophilic diterpenoid isolated from the root of Salvia miltiorrhiza Bunge (Lamiaceae). This study analyzed the protective effects of Tan IIA on lipopolysaccharide (LPS)-induced murine chondrogenic ATDC5 cell inflammatory injury model. METHODS: Cell viability was assessed using cell counting kit-8 (CCK-8) assay. Cell apoptosis was detected using Annexin V-FITC/PI staining...
April 18, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29679858/anti-inflammatory-effect-of-apo-9-fucoxanthinone-via-inhibition-of-mapks-and-nf-kb-signaling-pathway-in-lps-stimulated-raw-264-7-macrophages-and-zebrafish-model
#3
Eun-A Kim, Seo-Young Kim, Bo-Ram Ye, Junseong Kim, Seok-Chun Ko, Won Woo Lee, Kil-Nam Kim, Il-Whan Choi, Won-Kyo Jung, Soo-Jin Heo
In this study, we confirmed the anti-inflammatory effect of Apo-9-fucoxanthinone (AF) in in vitro RAW 264.7 cells and in vivo zebrafish model. In lipopolysaccharide (LPS)-stimulated zebrafish, AF significantly decreased the production of reactive oxygen species (ROS), nitric oxide (NO) and cell death. In addition, the mRNA expression of inducible nitric oxide synthase (iNOS), suppressed cyclooxygenase-2 (COX-2) and an inflammatory cytokines; IL-1β, TNF-α were shown reduction. And AF significantly inhibited NO production and expression of iNOS in LPS-stimulated RAW 264...
April 18, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29679854/thymol-attenuates-the-worsening-of-atopic-dermatitis-induced-by-staphylococcus-aureus-membrane-vesicles
#4
Hyo Il Kwon, Na Hee Jeong, So Hyun Jun, Joo Hee Son, Shukho Kim, Hyejin Jeon, Sun Chul Kang, Sang Hyun Kim, Je Chul Lee
Staphylococcus aureus membrane vesicles (MVs) aggravate atopic dermatitis (AD) through the delivery of bacterial effector molecules to host cells and the stimulation of inflammatory responses. This study investigated the inhibitory effect of thymol, a phenolic monoterpene found in essential oils derived from plants, on the worsening of AD induced by S. aureus MVs both in vitro and in vivo. The sub-minimal inhibitory concentrations of thymol disrupted S. aureus MVs. Intact S. aureus MVs induced the expression of pro-inflammatory cytokine (interleukin (IL)-1β, IL-6, and tumor necrosis factor-α) and chemokine (IL-8 and monocyte chemoattractant protein-1) genes in cultured keratinocytes, whereas thymol-treated S...
April 18, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29679753/daidzein-rich-isoflavone-aglycones-inhibit-cell-growth-and-inflammation-in-endometriosis
#5
O Takaoka, T Mori, F Ito, H Okimura, H Kataoka, Y Tanaka, A Koshiba, I Kusuki, S Shigehiro, T Amami, J Kitawaki
Endometriosis is an estrogen-dependent disease, and isoflavones interact with estrogen receptors. The purposes of this study are to investigate the in vitro and in vivo effects of daidzein-rich isoflavone aglycones (DRIAs), dietary supplements, on cellular proliferation in endometriosis. Stromal cells isolated from ovarian endometrioma (OESCs) and normal endometrium (NESCs) were cultured with DRIAs, i.e., each of the DRIA components (daidzein, genistein, or glycitein), or isoflavone glycosides (IG; DRIA precursors)...
April 18, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29679733/il-6-trans-signalling-mediates-trabecular-but-not-cortical-bone-loss-after-ovariectomy
#6
Leah Lazzaro, Brett A Tonkin, Ingrid J Poulton, Narelle E McGregor, Walter Ferlin, Natalie A Sims
Bone loss associated with estrogen deficiency occurs due to a high level of bone remodelling, with a greater increase in the level of osteoclast-mediated bone resorption than osteoblast-mediated bone formation. Early studies showed that Interleukin-6 (IL-6) inhibition could prevent the increase in osteoclast numbers associated with ovariectomy. However, IL-6 signals through two possible pathways: classic IL-6 signalling (cis) utilizes a membrane-bound IL-6 receptor (IL-6R), while IL-6 trans-signalling occurs through a soluble IL-6R (sIL-6R)...
April 18, 2018: Bone
https://www.readbyqxmd.com/read/29679710/cpg-oligodeoxynucleotides-may-be-effective-for-preventing-ionizing-radiation-induced-pulmonary-fibrosis
#7
Chao Zhang, Hainan Zhao, Bai-Long Li, Fu-Gao, Hu Liu, Jian-Ming Cai
Pulmonary fibrosis is a serious adverse effect of radiotherapy for thoracic tumor, which is believed to be a process that is tightly regulated by the phenotype of the developing Th response after radiation. Here, we will investigate whether CpG-oligodeoxynucleotides (ODN) prevent radiation-induced pulmonary fibrosis by shifting the imbalance of Th1 and Th2 response and summarizes the possible mechanism. In this study, female C57BL/6 mice were chosen to preform pulmonary fibrosis model, the whole-thorax of mice was exposed to a single radiation dose of 15 Gy...
April 18, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29679702/alamandine-attenuates-sepsis-associated-cardiac-dysfunction-via-inhibiting-mapks-signaling-pathways
#8
Peng Li, Xi-Ru Chen, Fei Xu, Chi Liu, Chang Li, Hui Liu, Hui Wang, Wei Sun, Yan-Hui Sheng, Xiang-Qing Kong
Sepsis-induced myocardial dysfunction represents a major cause of death in intensive care units. Alamandine is an important biologically active peptide in the renin-angiotensin system. The present study evaluated whether alamandine improves cardiac dysfunction, inflammation, and apoptosis, and affects the signaling pathways involved in these events. Experiments were carried out in mice treated with lipopolysaccharide (LPS) or alamandine, and in neonatal rat cardiomyocytes. Alamandine increased the ejection fraction and fractional shortening, both of which were decreased upon LPS infusion in mice...
April 18, 2018: Life Sciences
https://www.readbyqxmd.com/read/29679637/recent-stimulant-use-and-leukocyte-gene-expression-in-methamphetamine-users-with-treated-hiv-infection
#9
Adam W Carrico, Annesa Flentje, Kord Kober, Sulggi Lee, Peter Hunt, Elise D Riley, Steven Shoptaw, R N Elena Flowers, Samantha E Dilworth, Savita Pahwa, Bradley E Aouizerat
Stimulant use may accelerate HIV disease progression through biological and behavioral pathways. However, scant research with treated HIV-positive persons has examined stimulant-associated alterations in pathophysiologic processes relevant to HIV pathogenesis. In a sample of 55 HIV-positive, methamphetamine-using sexual minority men with a viral load less than 200 copies/mL, we conducted RNA sequencing to examine patterns of leukocyte gene expression in participants who had a urine sample that was reactive for stimulants (n = 27) as compared to those who tested non-reactive (n = 28)...
April 18, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29679536/curcumin-formulated-in-solid-lipid-nanoparticles-has-enhanced-efficacy-in-hodgkin-s-lymphoma-in-mice
#10
Jacob Guorgui, Ruixue Wang, George Mattheolabakis, Gerardo G Mackenzie
Curcumin reduces Hodgkin's lymphoma (HL) cell growth in vitro, but its unfavorable pharmacokinetics highlight the need for novel in vivo delivery systems. Thus, we explored whether formulation of curcumin in solid lipid nanoparticles (SLN-curc) or d-α-Tocopheryl polyethylene glycol 1000 succinate (TPGS) nanoparticles (TPGS-curc) could enhance its efficacy in mice. Curcumin formulated in SLN and in TPGS resulted in higher curcumin plasma levels in mice. Compared to vehicle-treated controls, SLN-curc and TPGS-curc reduced HL xenograft growth by 50...
April 18, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29679488/randomised-clinical-trial-of-the-effects-of-azithromycin-use-in-the-treatment-of-peri-implantitis
#11
Leon Gershenfeld, Alex Kalos, Terry Whittle, Stephen Yeung
AIM: The aim of this clinical trial was to establish a proof of concept that the adjunctive use of systemic azithromycin (AZM) in conjunction with mechanical debridement has an increased benefit in reducing soft tissue inflammation in the treatment of peri-implantitis. MATERIALS AND METHODS: In a randomised, double blind, clinical trial, the treatment group (9 patients) received AZM as well as mechanical debridement in a single course of treatment, whereas the control group (8 patients) received a placebo and mechanical debridement...
April 21, 2018: Australian Dental Journal
https://www.readbyqxmd.com/read/29678878/a-bispecific-antibody-that-targets-il-6-receptor-and-il-17a-for-the-potential-therapy-of-patients-with-autoimmune-and-inflammatory-diseases
#12
Michael Lyman, Vincent Lieuw, Robyn Richardson, Anjuli Timmer, Christine Stewart, Steve Granger, Richard Woods, Michela Silacci, Dragan Grabulovski, Roland Newman
Despite the success of current biological therapeutics for rheumatoid arthritis, these therapies, targeting individual cytokines or pathways, produce beneficial responses in only about half of patients. Therefore, better therapeutics are needed. IL-6 and IL-17A are pro-inflammatory cytokines in many autoimmune and inflammatory diseases, and several therapeutics have been developed to specifically inhibit them. However, targeting both of these cytokines with a bispecific therapeutic agent could account for their non-overlapping pro-inflammatory functions and for the fact that IL-6 and IL-17A act in a positive feedback loop...
April 20, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29678877/deferoxamine-ameliorates-adipocyte-dysfunction-by-modulating-iron-metabolism-in-ob-ob-mice
#13
Hong-Fa Yan, Zhao-Yu Liu, Zhi-Ang Guan, Chuang Guo
OBJECTIVE: The mechanisms underlying obesity and anti-obesity processes have garnered remarkable attention as potential therapeutic targets for obesity-associated metabolic syndromes. Our prior work has shown the healing efficacy of iron reduction therapies for hepatic steatosis in a rodent model of diabetes and obesity. In this study, we investigated how iron depletion by deferoxamine (DFO) affected adipocyte dysfunction in the epididymal adipose tissues of ob/ob mice. METHODS: Male ob/ob mice were assigned to either a vehicle-treated or DFO-treated group...
April 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29678772/minocycline-adjunctive-treatment-to-risperidone-for-negative-symptoms-in-schizophrenia-association-with-pro-inflammatory-cytokine-levels
#14
Lulu Zhang, Hongbo Zheng, Rengrong Wu, Furong Zhu, Thomas R Kosten, Xiang-Yang Zhang, Jingping Zhao
BACKGROUND: We attempted to replicate the efficacy of minocycline, a second-generation tetracycline, as adjunctive therapy for the negative symptoms of schizophrenia, and to investigate its association with pro-inflammatory cytokine levels. METHODS: Seventy-five schizophrenia patients with negative symptoms entered a 3-month, double blind, randomized, placebo-controlled clinical trial. Subjects were assigned low dose (100 mg per day) or high dose minocycline (200 mg per day) or placebo combined with risperidone...
April 17, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29678767/targeted-inhibition-of-tumor-survival-metastasis-and-angiogenesis-by-acacia-ferruginea-mediated-regulation-of-vegf-inflammatory-mediators-cytokine-profile-and-inhibition-of-transcription-factor-activation
#15
Kunnathur Murugesan Sakthivel, Chandrasekaran Guruvayoorappan
Acacia ferruginea extract (AFE) was studied for anti-metastasis/-angiogenesis activity against B16F-10 melanoma cells in C57BL/6 mice. In vitro cytotoxicity of AFE was first screened using MTT assay and it was shown to inhibit B16F-10 cells with IC50 value of 52.94 μg/ml. Anti-metastatic activity of AFE in vivo revealed administration of AFE (10 mg/kg.b.wt) in three different regimens has shown reduced metastatic colony formation in lungs and prolonged survival in metastatic tumor-bearing hosts. Biochemical analysis shown that treatment with AFE significantly reduced the lung collagen hydroxyproline, hexosamine, uronic acid, sialic acid and gamma-glutamyl transpeptidase content...
April 17, 2018: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29678641/liver-directed-microrna-7a-depletion-induces-nonalcoholic-fatty-liver-disease-by-stabilizing-yy1-mediated-lipogenic-pathways-in-zebrafish
#16
Chi-Yu Lai, Chiu-Ya Lin, Chia-Chun Hsu, Kun-Yun Yeh, Guor Mour Her
Nonalcoholic fatty liver disease (NAFLD) has been associated with the function and changes in expression levels of microRNAs (miRs). MiR-7 has been proven to play an important role in many cellular processes; however, its functions in the context of liver lipogenesis remain unknown. We applied the microRNA-sponge (miR-SP) technology and generated transgenic miR-7a-SP models (hC7aSP and bC7aSP), which disrupted the activities of hepatic miR-7a and induced the early onset of NAFLD and nonalcoholic steatohepatitis (NASH) in zebrafish...
April 17, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29678619/effect-of-goal-directed-fluid-therapy-on-early-cognitive-function-in-elderly-patients-with-spinal-stenosis
#17
Na Zhang, Min Liang, Dan-Dan Zhang, Yi-Rong Xiao, Yan-Zhen Li, You-Guang Gao, Hong-da Cai, Xian-Zhong Lin, Cai-Zhu Lin, Kai Zeng, Xiao-Dan Wu
PURPOSE: To explore effect of goal-directed fluid therapy (GDFT) on early cognitive function in elderly patients with spinal stenosis. METHODS: 83 elderly patients with spinal stenosis were randomly classified into two groups: control group (n = 40) and GDFT group (n = 43). The Montreal Cognitive Assessment (MoCA) score, IL-6 and S100β levels, hemodynamic parameters, cerebral oxygen saturation (rSO2 ), arterial lactic acid values, output of surgery, operation time and cases of hypotension, intraoperative complications within 7 days were recorded for all patients...
April 17, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29678603/chebulagic-acid-chebulinic-acid-and-gallic-acid-the-active-principles-of-triphala-inhibit-tnf%C3%AE-induced-pro-angiogenic-and-pro-inflammatory-activities-in-retinal-capillary-endothelial-cells-by-inhibiting-p38-erk-and-nfkb-phosphorylation
#18
Sivasankar Shanmuganathan, Narayanasamy Angayarkanni
Tumor necrosis factor-α (TNFα) a pleiotropic cytokine induces pro-inflammatory and pro-angiogenic changes in conditions such as diabetic retinopathy (DR) and neovascular age related macular degeneration (NV-AMD). Hence, inhibition of TNFα mediated changes can benefit the management of DR and NV-AMD. Triphala, an ayurvedic herbal preparation is known to have immunomodulatry functions. In this study we evaluated the alcoholic extract of triphala (AlE) and its compounds Chebulagic acid (CA), Chebulinic acid (CI) and Gallic acid (GA) for their anti-TNFα activity...
April 17, 2018: Vascular Pharmacology
https://www.readbyqxmd.com/read/29678518/pattern-recognition-receptors-mediate-pro-inflammatory-effects-of-extracellular-mitochondrial-transcription-factor-a-tfam
#19
Stephanie M Schindler, Matthew G Frank, Jessica L Annis, Steven F Maier, Andis Klegeris
Neuroinflammation is a common pathogenic mechanism for a number of neurodegenerative disorders including Alzheimer's and Parkinson's diseases. Microglia, the immune cells of the brain, contribute to the onset and progression of the neuroinflammation observed in these diseases. Microglia become activated and initiate an inflammatory response by interacting with a diverse set of molecules, including the group of endogenous proteins released upon cell damage, termed damage-associated molecular patterns (DAMPs)...
April 17, 2018: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/29678503/caffeine-inhibits-stat1-signaling-and-downregulates-inflammatory-pathways-involved-in-autoimmunity
#20
Merve Iris, Pei-Suen Tsou, Amr H Sawalha
Caffeine is a widely consumed pharmacologically active product. We focused on characterizing immunomodulatory effects of caffeine on peripheral blood mononuclear cells. Caffeine at high doses showed a robust downregulatory effect on cytokine activity and genes related to several autoimmune diseases including lupus and rheumatoid arthritis. Dose-dependent validation experiments showed downregulation at the mRNA levels of key inflammatory genes including STAT1, TNF, and PPARG. TNF and PPARG were suppressed even with the lowest caffeine dose tested, which corresponds to the serum concentration of caffeine after administration of one cup of coffee...
April 17, 2018: Clinical Immunology: the Official Journal of the Clinical Immunology Society
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