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https://www.readbyqxmd.com/read/29691532/black-rice-anthocyanin-rich-extract-and-rosmarinic-acid-alone-and-in-combination-protect-against-dss-induced-colitis-in-mice
#1
Lei Zhao, Yali Zhang, Guorong Liu, Shuai Hao, Chengtao Wang, Yong Wang
The aim of this study was to investigate the effect of black rice anthocyanin-rich extract (BRAE) and rosmarinic acid (RA), alone and in combination, on dextran sulfate sodium (DSS)-induced colitis in mice. Results showed that administration of BRAE and RA, alone and in combination, significantly decreased the disease activity index (DAI) and the histological score of colons in DSS-induced colitis mice. Moreover, the administration of BRAE and RA, alone and in combination, not only reduced myeloperoxidase (MPO) and nitric oxide (NO) levels, but also inhibited the expression of pro-inflammatory mediators including interleukin (IL)-6, IL-1β, tumor necrosis factor (TNF)-α, inducible nitric oxide synthase (iNOS) and cyclooxygenase (COX)-2...
April 25, 2018: Food & Function
https://www.readbyqxmd.com/read/29689498/cirsitakaoside-isolated-from-premna-szemaoensis-reduces-lps-induced-inflammatory-responses-in-vitro-and-in-vivo
#2
Huihui Zhu, Debing Pu, Qianqian Di, Xibao Zhao, Feiyang Ji, Hongrui Li, Zizhao Zhao, Junbo Gao, Weilie Xiao, Weilin Chen
Cirsitakaoside is a natural compound isolated from Premna szemaoensis. However, the anti-inflammatory effects of cirsitakaoside are poorly understood. We investigated the anti-inflammatory action of cirsitakaoside in lipopolysaccharide (LPS)-stimulated macrophages and mice in vivo. Cirsitakaoside could suppress the production of pro-inflammatory cytokines such as interleukin-1β (IL-1β), interleukin-6 (IL-6) and tumor necrosis factor alpha (TNF-α) in a dose-dependent manner in LPS-stimulated mouse peritoneal macrophages and RAW264...
April 21, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29689377/ambient-particulate-matter-activates-the-aryl-hydrocarbon-receptor-in-dendritic-cells-and-enhances-th17-polarization
#3
Alejandro R Castañeda, Kent E Pinkerton, Keith J Bein, Alfonso Magaña-Méndez, Houa T Yang, Paul Ashwood, Christoph F A Vogel
The objective of this study was to explore the role of the aryl hydrocarbon receptor (AhR) in ambient particulate matter (PM)-mediated activation of dendritic cells (DCs) and Th17-immune responses in vitro. To assess the potential role of the AhR in PM-mediated activation of DCs, co-stimulation, and cytokine expression, bone marrow (BM)-derived macrophages and DCs from C57BL6 wildtype or AhR knockout (AhR-/- ) mice were treated with PM. Th17 differentiation was assessed via co-cultures of wildtype or AhR-/- BMDCs with autologous naive T cells...
April 21, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29687202/attenuation-of-aluminum-chloride-induced-neuroinflammation-and-caspase-activation-through-the-akt-gsk-3%C3%AE-pathway-by-hesperidin-in-wistar-rats
#4
Arokiasamy Justin-Thenmozhi, Mathiyazahan Dhivya Bharathi, Ramaraj Kiruthika, Thamilarasan Manivasagam, Anupom Borah, Musthafa Mohamed Essa
Hesperidin, a flavanoglycone abundantly present in citrus fruits, is reported to have antioxidant, anti-inflammatory, and neuroprotective properties. Previous reports from our laboratory indicated the neuroprotective effect of hesperidin against aluminum chloride (AlCl3 )-induced memory loss, acetylcholine esterase hyperactivity, oxidative stress, and enhanced expression of amyloid β protein biosynthesis-related markers. However, their role on AlCl3 -induced inflammation, caspase activation, Tau pathology, altered Akt/GSK 3β signaling pathway, and Aβ clearance marker has not yet been fully elucidated...
April 23, 2018: Neurotoxicity Research
https://www.readbyqxmd.com/read/29685879/clinicopathological-risk-factors-for-an-invasive-breast-cancer-recurrence-after-ductal-carcinoma-in-situ-a-nested-case-control-study
#5
Lindy L Visser, Lotte E Elshof, Michael Schaapveld, Koen Van de Vijver, Emma J Groen, Mathilde M Almekinders, Carolien Bierman, Flora E Van Leeuwen, Emiel J T Rutgers, Marjanka K Schmidt, Esther H Lips, Jelle Wesseling
PURPOSE: Ductal carcinoma in situ (DCIS) is treated to prevent progression to invasive breast cancer. Yet, most lesions will never progress, implying that overtreatment exists. Therefore, we aimed to identify factors distinguishing harmless from potentially hazardous DCIS using a nested case-control study. EXPERIMENTAL DESIGN: We conducted a case-control study nested in a population-based cohort of DCIS patients treated with breast conserving surgery (BCS) alone (n=2,658) between 1989-2005...
April 23, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29684404/previously-undisclosed-bioactive-sterols-from-corbiculid-bivalve-clam-villorita-cyprinoides-with-anti-inflammatory-and-antioxidant-potentials
#6
Minju Joy, Kajal Chakraborty
The estuarine Corbiculid bivalve black clam, Villorita cyprinoides collected from the Southwestern coastline regions of Arabian Sea are significant resources of nutritional and bioactive pluralities. The purification of ethyl acetate:methanol (EtOAc:MeOH) extract of V. cyprinoides characterized a previously undisclosed specialized abeo-pregnane-type sterol derivative 19 (10→5) abeo-20-methyl-pregn-10-en-3β-yl-hex-(3'E)-enoate (1) along with two cholestenols (22E),(241 E)-241 ,242 -dihomocholesta-5,22,241 -trien-3β-ol (2) and (22E)-241 -homocholesta-5,22-dien-(3β,241 β)-diol (3)...
April 20, 2018: Steroids
https://www.readbyqxmd.com/read/29683359/6-8-di-c-glycosyl-flavones-with-%C3%AE-furanoarabinose-from-scutellaria-baicalensis-and-their-anti-inflammatory-activities
#7
Qi-Hui Zhang, Ling Tan, Qian Gou, Lian-Di Zhou, Chong-Zhi Wang, Chun-Su Yuan
Two flavone di-C-glycosides, a pair of isomers, were isolated from Scutellaria baicalensis. The structures of compounds 1 and 2 were elucidated by means of physical data, including 1D and 2D NMR and HR-ESI-MS. Supporting theoretical calculations of the compound conformational landscape has also been conducted for geometry optimization. This is the first report of the natural occurrence of β-furanoarabinoside. In addition, the effects of compounds 1 and 2 on NO, pro-inflammatory cytokines, PGE2 and COX-2 levels were measured in lipopolysaccharide (LPS)-stimulated RAW264...
April 23, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29683320/proteomic-analysis-reveals-inflammation-modulation-of-%C3%AE%C2%BA-%C3%AE-carrageenan-hexaoses-in-lps-induced-raw264-7-macrophages
#8
Juanjuan Guo, Jinghao Chen, Xu Lu, Zebin Guo, Zhiwei Huang, Shaoxiao Zeng, Yi Zhang, Baodong Zheng
κ/ι-Carrageenan hexaoses (κ/ι-neocarrahexaoses, KCO-4) are a type of carrageenan oligosaccharide that have a broad spectrum of bioactivities due to the presence of sulfate groups. However, the anti-inflammatory capacity of purified carrageenan oligosaccharides and the underlying mechanism has not been completely elucidated. The present study aimed to investigate inflammatory signaling modulation of KCO-4 in LPS-induced macrophages using a quantitative proteomic strategy. KCO-4 inhibited the over-secretion of inflammatory mediators (i...
April 23, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29682797/mouse-urothelial-genes-associated-with-voiding-behavior-changes-after-ovariectomy-and-bladder-lipopolysaccharide-exposure
#9
Marian Acevedo-Alvarez, Judy Yeh, Lery Alvarez-Lugo, Ming Lu, Nitin Sukumar, Warren G Hill, Toby C Chai
AIMS: Symptoms from overactive bladder (OAB) and cystitis secondary to urinary tract infection (UTI) can be similar in post-menopausal women. Effects of ovariectomy (OVX) on voiding behavior after lipopolysaccharide (LPS) intravesical exposure (surrogate for cystitis) in mice were measured. Urothelial genes associated with micturition changes were identified. METHODS: Female C57BL6/J mice underwent OVX or sham surgeries (n = 10 for each). Voiding spot assays (VSA) were performed prior to surgery, 4 weeks post-surgery, and each time after 3 consecutive days of transurethral instillation of LPS...
April 23, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29682175/alcam-shedding-at-the-invasive-front-of-the-tumor-is-a-marker-of-myometrial-infiltration-and-promotes-invasion-in-endometrioid-endometrial-cancer
#10
Laura Devis, Elena Martinez-Garcia, Cristian P Moiola, Maria Teresa Quiles, Maria Antonia Arbos, Tomita Vasilica Stirbat, Françoise Brochard-Wyart, Ángel García, Lorena Alonso-Alconada, Miguel Abal, Berta Diaz-Feijoo, William Thomas, Sylvie Dufour, Gemma Mancebo, Francesc Alameda, Jaume Reventos, Antonio Gil-Moreno, Eva Colas
Endometrial cancer (EC) is the sixth deadliest cancer in women. The depth of myometrial invasion is one of the most important prognostic factors, being directly associated with tumor recurrence and mortality. In this study, ALCAM, a previously described marker of EC recurrence, was studied by immunohistochemistry at the superficial and the invasive tumor areas from 116 EC patients with different degree of myometrial invasion and related to a set of relevant epithelial and mesenchymal markers. ALCAM expression presented a heterogeneous functionality depending on its localization, it correlated with epithelial markers (E-cadherin/β-catenin) at the superficial area, and with mesenchymal markers at the invasive front (COX-2, SNAIL, ETV5, and MMP-9)...
March 30, 2018: Oncotarget
https://www.readbyqxmd.com/read/29681981/anti-inflammatory-potential-of-carpomitra-costata-ethanolic-extracts-via-inhibition-of-nf-%C3%AE%C2%BA-b-and-ap-1-activation-in-lps-stimulated-raw264-7-macrophages
#11
Mi-Jin Yim, Jeong Min Lee, Grace Choi, Dae-Sung Lee, Won Sun Park, Won-Kyo Jung, Saegwang Park, Su-Kil Seo, Jungik Park, Il-Whan Choi, Sun Young Ma
Marine algae have valuable health and dietary benefits. The present study aimed to investigate whether an ethanol extract of Carpomitra costata (CCE) could inhibit the inflammatory response to LPS. CCE attenuated the production of proinflammatory mediators, such as prostaglandin E2 (PGE2 ) and nitric oxide (NO), by inhibiting inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) expression in LPS-induced RAW264.7 macrophages. CCE also inhibited the expression of proinflammatory cytokines such as IL-1 β , TNF- α , and IL-6...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29681851/duclox-2-5-inhibition-attenuates-inflammatory-response-and-induces-mitochondrial-apoptosis-for-mammary-gland-chemoprevention
#12
Swetlana Gautam, Atul K Rawat, Shreesh R Sammi, Subhadeep Roy, Manjari Singh, Uma Devi, Rajnish K Yadav, Lakhveer Singh, Jitendra K Rawat, Mohd N Ansari, Abdulaziz S Saeedan, Dinesh Kumar, Rakesh Pandey, Gaurav Kaithwas
The present study is a pursuit to define implications of dual cyclooxygenase-2 (COX-2) and 5-lipoxygenase (5-LOX) (DuCLOX-2/5) inhibition on various aspects of cancer augmentation and chemoprevention. The monotherapy and combination therapy of zaltoprofen (COX-2 inhibitor) and zileuton (5-LOX inhibitor) were validated for their effect against methyl nitrosourea (MNU) induced mammary gland carcinoma in albino wistar rats. The combination therapy demarcated significant effect upon the cellular proliferation as evidenced through decreased in alveolar bud count and restoration of the histopathological architecture when compared to toxic control...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29681435/hypothermic-preconditioning-but-not-ketamine-reduces-oxygen-and-glucose-deprivation-induced-neuronal-injury-correlated-with-downregulation-of-cox-2-expression-in-mouse-hippocampal-slices
#13
Shan Jiang, Yong Wu, De-Fang Fang, Ying Chen
Hypothermic preconditioning is an effective treatment for limiting ischemic injury, but the mechanism is poorly understood. This study was aimed to explore the effect of hypothermic and ketamine preconditioning on oxygen and glucose deprivation (OGD) induced neuronal injury in mouse hippocampal slices, and to investigate its possible mechanism. The population spike (PS) was recorded in the CA1 region of mouse hippocampal slices using extracellular recordings, Na+ /K+ ATPase activity in slices was determined by spectrophotometer and the expression of Cyclooxygenase-2 (COX-2) was measured by Western blot...
April 7, 2018: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/29681219/antidepressant-like-effects-of-embelin-and-its-possible-mechanisms-of-action-in-chronic-unpredictable-stress-induced-mice
#14
Bailing Wang, Xiaoqin Chen, Tiantian Zhou, Xiaoying Wang
Objectives Embelin, a principal active constituent of embelin ribes burm, has good therapeutic effects on various diseases. To explore the effects and underlying mechanisms of embelin on depression, we made a preliminary study to clarify this issue. Methods We first used chronic unpredictable stress (CUS) to construct the model of depression in mice. Then, we determined the effects of embelin on CUS-induced behavioral dysfunction using open field test, sucrose preference test, tail suspension test and forced swimming test...
April 21, 2018: Neurological Research
https://www.readbyqxmd.com/read/29680773/changes-in-the-hippocampal-and-peripheral-phospholipid-profiles-are-associated-with-neurodegeneration-hallmarks-in-a-long-term-global-cerebral-ischemia-model-attenuation-by-linalool
#15
Angélica Maria Sabogal-Guáqueta, Rafael Posada-Duque, Natalie Charlotte Cortes, Julian D Arias-Londoño, Gloria Patricia Cardona-Gómez
Phospholipid alterations in the brain are associated with progressive neurodegeneration and cognitive impairment after acute and chronic injuries. Various types of treatments have been evaluated for their abilities to block the progression of the impairment, but effective treatments targeting long-term post-stroke alterations are not available. In this study, we analyzed changes in the central and peripheral phospholipid profiles in ischemic rats and determined whether a protective monoterpene, Linalool, could modify them...
April 19, 2018: Neuropharmacology
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
#16
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/29679753/daidzein-rich-isoflavone-aglycones-inhibit-cell-growth-and-inflammation-in-endometriosis
#17
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/29679652/effects-of-phenidone-duclox-2-5-inhibitor-against-n-methyl-n-nitrosourea-induced-mammary-gland-carcinoma-in-albino-rats
#18
Swetlana Gautam, Soniya Rani, Gaurav Kaithwas
The present study was designed to evaluate the effects of Phenidone (Dual inhibitor of COX-2 and 5-LOX, DuCLOX-2/5) on various aspects of cancer chemoprevention against MNU induced mammary gland carcinoma. MNU treated rat showed altered heart rate variability (HRV), increased alveolar bud count, differentiation score, up regulated inflammatory enzyme markers (COX, LOX, NO and H2S) and distorted oxidative stress markers (TBARs, protein carbonyl, SOD, catalase and GSH). The mammary gland surface architecture was studied using carmine staining and H&E staining...
April 18, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29678951/cyclooxygenase-1-and-2-play-contrasting-roles-in-listeria-stimulated-immunity
#19
Erin Theisen, Courtney E McDougal, Masako Nakanishi, David M Stevenson, Daniel Amador-Noguez, Daniel W Rosenberg, Laura J Knoll, John-Demian Sauer
Nonsteroidal anti-inflammatory drugs (NSAIDs) inhibit cyclooxygenase (COX) activity and are commonly used for pain relief and fever reduction. NSAIDs are used following childhood vaccinations and cancer immunotherapies; however, how NSAIDs influence the development of immunity following these therapies is unknown. We hypothesized that NSAIDs would modulate the development of an immune response to Listeria monocytogenes -based immunotherapy. Treatment of mice with the nonspecific COX inhibitor indomethacin impaired the generation of cell-mediated immunity...
April 20, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
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
#20
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
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