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https://www.readbyqxmd.com/read/28444928/antiinflammatory-activity-of-cinnamon-cinnamomum-zeylanicum-bark-essential-oil-in-a-human-skin-disease-model
#1
Xuesheng Han, Tory L Parker
The effect of cinnamon (Cinnamomum zeylanicum) bark essential oil (CBEO) on human skin cells has not been elucidated. Therefore, we investigated the activity of a commercially available CBEO in a validated human dermal fibroblast system, a model of chronic inflammation and fibrosis. We first evaluated the impact of CBEO on 17 protein biomarkers that play critical roles in inflammation and tissue remodeling. The impact of CBEO on genome-wide gene expression was also evaluated. CBEO showed strong anti-proliferative effects on skin cells and significantly inhibited the production of several inflammatory biomarkers, including vascular cell adhesion molecule-1, intercellular cell adhesion molecule-1, monocyte chemoattractant protein-1, interferon gamma-induced protein 10, interferon-inducible T-cell alpha chemoattractant, and monokine induced by gamma interferon...
April 26, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28442752/zika-virus-infection-reprograms-global-transcription-of-host-cells-to-allow-sustained-infection
#2
Shashi Kant Tiwari, Jason Dang, Yue Qin, Gianluigi Lichinchi, Vikas Bansal, Tariq M Rana
Zika virus (ZIKV) is an emerging virus causally linked to neurological disorders, including congenital microcephaly and Guillain-Barré syndrome. There are currently no targeted therapies for ZIKV infection. To identify novel antiviral targets and to elucidate the mechanisms by which ZIKV exploits the host cell machinery to support sustained replication, we analyzed the transcriptomic landscape of human microglia, fibroblast, embryonic kidney and monocyte-derived macrophage cell lines before and after ZIKV infection...
April 26, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28442634/pharmacologic-targeting-erk1-2-attenuates-the-development-and-progression-of-hyperuricemic-nephropathy-in-rats
#3
Na Liu, Liuqing Xu, Yingfeng Shi, Lu Fang, Hongwei Gu, Hongrui Wang, Xiaoqiang Ding, Shougang Zhuang
The pathogenesis of hyperuricemia-induced chronic kidney disease is largely unknown. In this study, we investigated whether extracellular signal-regulated kinases1/2 (ERK1/2) would contribute to the development of hyperuricemic nephropathy (HN). In a rat model of HN induced by feeding mixture of adenine and potassium oxonate, increased ERK1/2 phosphorylation and severe glomerular sclerosis and renal interstitial fibrosis were evident, in parallel with diminished levels of renal function and increased urine microalbumin excretion...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28441391/apigenin-inhibits-tnf%C3%AE-il-1%C3%AE-induced-ccl2-release-through-ikbk-epsilon-signaling-in-mda-mb-231-human-breast-cancer-cells
#4
David Bauer, Natalie Redmon, Elizabeth Mazzio, Karam F Soliman
Mortality associated with breast cancer is attributable to aggressive metastasis, to which TNFα plays a central orchestrating role. TNFα acts on breast tumor TNF receptors evoking the release of chemotactic proteins (e.g. MCP-1/CCL2). These proteins direct inward infiltration/migration of tumor-associated macrophages (TAMs), tumor-associated neutrophils (TANs), myeloid-derived suppressor cells (MDSCs), T-regulatory cells (Tregs), T helper IL-17-producing cells (Th17s), metastasis-associated macrophages (MAMs) and cancer-associated fibroblasts (CAFs)...
2017: PloS One
https://www.readbyqxmd.com/read/28439731/il-10-improves-cardiac-remodeling-after-myocardial-infarction-by-stimulating-m2-macrophage-polarization-and-fibroblast-activation
#5
Mira Jung, Yonggang Ma, Rugmani Padmanabhan Iyer, Kristine Y DeLeon-Pennell, Andriy Yabluchanskiy, Michael R Garrett, Merry L Lindsey
Inflammation resolution is important for scar formation following myocardial infarction (MI) and requires the coordinated actions of macrophages and fibroblasts. In this study, we hypothesized that exogenous interleukin-10 (IL-10), an anti-inflammatory cytokine, promotes post-MI repair through actions on these cardiac cell types. To test this hypothesis, C57BL/6J mice (male, 3- to 6-month old, n = 24/group) were treated with saline or IL-10 (50 μg/kg/day) by osmotic mini-pump infusion starting at day (d) 1 post-MI and sacrificed at d7 post-MI...
May 2017: Basic Research in Cardiology
https://www.readbyqxmd.com/read/28438110/temporal-progression-of-lesions-in-guinea-pigs-infected-with-lassa-virus
#6
T M Bell, C I Shaia, J J Bearss, M E Mattix, K A Koistinen, S P Honnold, X Zeng, C D Blancett, G C Donnelly, J D Shamblin, E R Wilkinson, K A Cashman
Lassa virus (LASV) infection causes an acute, multisystemic viral hemorrhagic fever that annually infects an estimated 100 000 to 300 000 persons in West Africa. This pathogenesis study evaluated the temporal progression of disease in guinea pigs following aerosol and subcutaneous inoculation of the Josiah strain of LASV as well as the usefulness of Strain 13 guinea pigs as an animal model for Lassa fever. After experimental infection, guinea pigs ( Cavia porcellus; n = 67) were serially sampled to evaluate the temporal progression of infection, gross and histologic lesions, and serum chemistry and hematologic changes...
May 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28432120/two-glycosaminoglycan-binding-domains-of-the-mouse-cytomegalovirus-encoded-chemokine-mck-2-are-critical-for-oligomerization-of-the-full-length-protein
#7
Sergio M Pontejo, Philip M Murphy
Chemokines are essential for antimicrobial host defenses and tissue repair. Herpesviruses and poxviruses also encode chemokines, copied from their hosts and repurposed for multiple functions, including immune evasion. The CC chemokine MCK-2 encoded by mouse cytomegalovirus (MCMV) has an atypical structure consisting of a classic chemokine domain N-terminal to a second unique domain, resulting from the splicing of MCMV ORFs m131 and m129. MCK-2 is essential for full MCMV infectivity in macrophages and for persistent infection in the salivary gland...
April 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28430167/induced-pluripotent-stem-cell-modeling-of-gaucher-s-disease-what-have-we-learned
#8
REVIEW
Dino Matias Santos, Gustavo Tiscornia
Gaucher's disease (GD) is the most frequently inherited lysosomal storage disease, presenting both visceral and neurologic symptoms. Mutations in acid β-glucocerebrosidase disrupt the sphingolipid catabolic pathway promoting glucosylceramide (GlcCer) accumulation in lysosomes. Current treatment options are enzyme replacement therapy (ERT) and substrate reduction therapy (SRT). However, neither of these approaches is effective in treating the neurological aspect of the disease. The use of small pharmacological compounds that act as molecular chaperones is a promising approach that is still experimental...
April 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28427645/ultrasound-assisted-extraction-of-achyrocline-satureioides-prevents-contrast-induced-nephropathy-in-mice
#9
Ketheley L Guss, Stefano Pavanni, Bruno Prati, Lucas Dazzi, Jairo P de Oliveira, Breno V Nogueira, Thiago M C Pereira, Marcio Fronza, Denise C Endringer, Rodrigo Scherer
Achyrocline satureioides or Macela, has been largely used in traditional folk medicine in Brazil as an anti-inflammatory agent and to treat various digestive disorders. The aim of the present study was to evaluate the preventive action of the extracts of A. satureioides obtained by maceration and ultrasound-assisted extraction, quercetin and N-acetylcysteine against contrast-induced nephropathy in mice. The antioxidant activity, cytotoxicity and inhibition of nitric oxide (NO) production in macrophages were evaluated...
July 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28427446/respiratory-chain-complex-iii-deficiency-due-to-mutated-bcs1l-a-novel-phenotype-with-encephalomyopathy-partially-phenocopied-in-a-bcs1l-mutant-mouse-model
#10
Saara Tegelberg, Nikica Tomašić, Jukka Kallijärvi, Janne Purhonen, Eskil Elmér, Eva Lindberg, David Gisselsson Nord, Maria Soller, Nicole Lesko, Anna Wedell, Helene Bruhn, Christoph Freyer, Henrik Stranneheim, Rolf Wibom, Inger Nennesmo, Anna Wredenberg, Erik A Eklund, Vineta Fellman
BACKGROUND: Mitochondrial diseases due to defective respiratory chain complex III (CIII) are relatively uncommon. The assembly of the eleven-subunit CIII is completed by the insertion of the Rieske iron-sulfur protein, a process for which BCS1L protein is indispensable. Mutations in the BCS1L gene constitute the most common diagnosed cause of CIII deficiency, and the phenotypic spectrum arising from mutations in this gene is wide. RESULTS: A case of CIII deficiency was investigated in depth to assess respiratory chain function and assembly, and brain, skeletal muscle and liver histology...
April 20, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28427135/-effects-of-allogeneic-bone-marrow-mesenchymal-stem-cells-on-polarization-of-peritoneal-macrophages-in-rats-with-sepsis
#11
Y H Zheng, B Xiong, Y Y Deng, W Lai, S Y Zheng, H N Bian, Z A Liu, Z F Huang, C W Sun, H H Li, H M Luo, L H Ma, H X Chen
Objective: To explore the effects of allogeneic bone marrow mesenchymal stem cells (BMSCs) on polarization of peritoneal macrophages isolated from rats with sepsis induced by endotoxin/lipopolysaccharide (LPS). Methods: (1) BMSCs were isolated, cultured and purified from 5 SD rats with whole bone marrow adherent method. The third passage of cells were collected for morphologic observation, detection of expressions of stem cell surface markers CD29, CD44, CD45, and CD90 with flow cytometer, and identification of osteogenic and adipogenic differentiation...
April 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28422073/chemopreventive-strategies-for-inflammation-related-carcinogenesis-current-status-and-future-direction
#12
REVIEW
Yusuke Kanda, Mitsuhiko Osaki, Futoshi Okada
A sustained and chronically-inflamed environment is characterized by the presence of heterogeneous inflammatory cellular components, including neutrophils, macrophages, lymphocytes and fibroblasts. These infiltrated cells produce growth stimulating mediators (inflammatory cytokines and growth factors), chemotactic factors (chemokines) and genotoxic substances (reactive oxygen species and nitrogen oxide) and induce DNA damage and methylation. Therefore, chronic inflammation serves as an intrinsic niche for carcinogenesis and tumor progression...
April 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28419140/niche-matters-the-comparison-between-bone-marrow-stem-cells-and-endometrial-stem-cells-and-stromal-fibroblasts-reveal-distinct-migration-and-cytokine-profiles-in-response-to-inflammatory-stimulus
#13
Masuma Khatun, Anna Sorjamaa, Marika Kangasniemi, Meeri Sutinen, Tuula Salo, Annikki Liakka, Petri Lehenkari, Juha S Tapanainen, Olli Vuolteenaho, Joseph C Chen, Siri Lehtonen, Terhi T Piltonen
OBJECTIVE: Intrinsic inflammatory characteristics play a pivotal role in stem cell recruitment and homing through migration where the subsequent change in niche has been shown to alter these characteristics. The bone marrow mesenchymal stem cells (bmMSCs) have been demonstrated to migrate to the endometrium contributing to the stem cell reservoir and regeneration of endometrial tissue. Thus, the aim of the present study was to compare the inflammation-driven migration and cytokine secretion profile of human bmMSCs to endometrial mesenchymal stem cells (eMSCs) and endometrial fibroblasts (eSFs)...
2017: PloS One
https://www.readbyqxmd.com/read/28415796/macrophage-stimulated-microrna-expression-in-mural-cells-promotes-transplantation-induced-neointima-formation
#14
Xiaotong Guo, Mengyao Sun, Chaochao Dai, Xun Zhang, Qihui Yin, Jiaqi Ling, Xinyue Li, Xiao Wu, Fan Jiang, Jianli Wang
In this study, we tested the possibility that macrophages might contribute to neointima formation by stimulating microRNA expressions in mural cells. Thoracic aortas from F344 rats were transplanted into recipient Lewis rats. Clodronate liposome was used for in vivo macrophage depletion. Using miR-21 as a prototypic example of vascular enriched microRNA, we showed that macrophage depletion reduced the expression level of miR-21, which was upregulated in the allograft. This effect of macrophage depletion was accompanied by attenuations in neointimal hyperplasia and transplantation-induced vascular inflammation...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415472/supercritical-carbon-dioxide-extracted-extracellular-matrix-material-from-adipose-tissue
#15
Jun Kit Wang, Baiwen Luo, Vipra Guneta, Liang Li, Selin Ee Min Foo, Yun Dai, Timothy Thatt Yang Tan, Nguan Soon Tan, Cleo Choong, Marcus Thien Chong Wong
Adipose tissue is a rich source of extracellular matrix (ECM) material that can be isolated by delipidating and decellularizing the tissue. However, the current delipidation and decellularization methods either involve tedious and lengthy processes or require toxic chemicals, which may result in the elimination of vital proteins and growth factors found in the ECM. Hence, an alternative delipidation and decellularization method for adipose tissue was developed using supercritical carbon dioxide (SC-CO2) that eliminates the need of any harsh chemicals and also reduces the amount of processing time required...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28411247/exosomal-microrna-transfer-into-macrophages-mediates-cellular-postconditioning
#16
Geoffrey de Couto, Romain Gallet, Linda Cambier, Ervin Jaghatspanyan, Nupur Makkar, James Frederick Dawkins, Benjamin P Berman, Eduardo Marbán
BACKGROUND: Cardiosphere-derived cells (CDCs) confer cardioprotection in acute myocardial infarction (MI) via distinctive macrophage (MΦ) polarization. Here we demonstrate that CDC-secreted exosomes (CDCexo) recapitulate the cardioprotective effects of CDC therapy known as cellular postconditioning. METHODS: Rats and pigs underwent MI induced by ischemia-reperfusion prior to intracoronary infusion of CDCexo, inert fibroblast exosomes (Fbexo; control), or vehicle. Two days later, infarct size was quantified...
April 14, 2017: Circulation
https://www.readbyqxmd.com/read/28409351/inflammation-and-fibrosis-in-polycystic-kidney-disease
#17
Cheng Jack Song, Kurt A Zimmerman, Scott J Henke, Bradley K Yoder
Polycystic kidney disease (PKD) is a commonly inherited disorder characterized by cyst formation and fibrosis (Wilson, N Engl J Med 350:151-164, 2004) and is caused by mutations in cilia or cilia-related proteins, such as polycystin 1 or 2 (Oh and Katsanis, Development 139:443-448, 2012; Kotsis et al., Nephrol Dial Transplant 28:518-526, 2013). A major pathological feature of PKD is the development of interstitial inflammation and fibrosis with an associated accumulation of inflammatory cells (Grantham, N Engl J Med 359:1477-1485, 2008; Zeier et al...
2017: Results and Problems in Cell Differentiation
https://www.readbyqxmd.com/read/28407719/anti-inflammatory-activity-of-clove-eugenia-caryophyllata-essential-oil-in-human-dermal-fibroblasts
#18
Xuesheng Han, Tory L Parker
CONTEXT: Clove (Eugenia caryophyllata Thunb. [Myrtaceae]) essential oil (CEO) has been shown to possess antimicrobial, antifungal, antiviral, antioxidant, anti-inflammatory and anticancer properties. However, few studies have focused on its topical use. OBJECTIVE: We investigated the biological activity of a commercially available CEO in a human skin disease model. MATERIALS AND METHODS: We evaluated the effect of CEO on 17 protein biomarkers that play critical roles in inflammation and tissue remodelling in a validated human dermal fibroblast system, which was designed to model chronic inflammation and fibrosis...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28396121/antagonism-of-profibrotic-microrna-21-improves%C3%A2-outcome-of-murine-chronic-renal-allograft-dysfunction
#19
Celina Schauerte, Anika Hübner, Song Rong, Shijun Wang, Nelli Shushakova, Michael Mengel, Angela Dettling, Claudia Bang, Kristian Scherf, Malte Koelling, Anette Melk, Hermann Haller, Thomas Thum, Johan M Lorenzen
Chronic renal allograft dysfunction (CAD) is a major limiting factor of long-term graft survival. It is characterized by interstitial fibrosis and tubular atrophy. The underlying pathomechanisms are incompletely understood. MicroRNAs are powerful regulators of gene expression and may have an impact on various diseases by direct mRNA decay or translational inhibition. A murine model of allogenic kidney transplantation was used resulting in CAD at 6 weeks after kidney transplantation. We identified fibrosis-associated miR-21a-5p by whole miRNAome expression analysis to be among the most highly upregulated miRNAs...
April 8, 2017: Kidney International
https://www.readbyqxmd.com/read/28394354/oncogenic-mct-1-activation-promotes-yy1-egfr-mnsod-signaling-and-tumor-progression
#20
H-Y Tseng, Y-A Chen, J Jen, P-C Shen, L-M Chen, T-D Lin, Y-C Wang, H-L Hsu
Tumor cells often produce high levels of reactive oxygen species (ROS) and display an increased ROS scavenging system. However, the molecular mechanism that balances antioxidative and oxidative stress in cancer cells is unclear. Here, we determined that oncogenic multiple copies in T-cell malignancy 1 (MCT-1) activity promotes the generation of intracellular ROS and mitochondrial superoxide. Overexpression of MCT-1 suppresses p53 accumulation but elevates the manganese-dependent superoxide dismutase (MnSOD) level via the YY1-EGFR signaling cascade, which protects cells against oxidative damage...
April 10, 2017: Oncogenesis
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