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Antiinflammatory cytokines

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https://www.readbyqxmd.com/read/28332176/a-naphthoquinone-from-sinningia-canescens-inhibits-inflammation-and-fever-in-mice
#1
Luís A Lomba, Paulo H Vogt, Victor E P Souza, Mariane C G Leite-Avalca, Maria H Verdan, Maria Elida A Stefanello, Aleksander R Zampronio
We previously showed that plants from the genus Sinningia are a source of antiinflammatory and analgesic compounds with different mechanisms of action. The present study evaluated the antiinflammatory, antinociceptive, and antipyretic effects of a crude extract (CE) from Sinningia canescens, its fractions, and 6-methoxy-7-hydroxy-α-dunnione (MHD) in mice. These effects were evaluated using carrageenan (Cg)-induced paw edema, acetic acid- and formalin-induced nociception, mechanical hyperalgesia, lipopolysaccharide (LPS)-induced fever, and plasma cytokine levels...
March 22, 2017: Inflammation
https://www.readbyqxmd.com/read/28320965/deficiency-of-a-sulfotransferase-for-sialic-acid-modified-glycans-mitigates-alzheimer-s-pathology
#2
Zui Zhang, Yoshiko Takeda-Uchimura, Tahmina Foyez, Shiori Ohtake-Niimi, Narentuya, Hiroyasu Akatsu, Kazuchika Nishitsuji, Makoto Michikawa, Tony Wyss-Coray, Kenji Kadomatsu, Kenji Uchimura
We previously showed that microglial keratan sulfate (KS) was induced in amyotrophic lateral sclerosis. However, the functional roles of the glycan and its synthetic enzyme in neurodegenerative diseases, such as Alzheimer's disease (AD), a progressive disorder, are unclear. In our study, KS modified with sialic acids having a molecular mass of 125-220 kDa and the carbohydrate sulfotransferase GlcNAc6ST1 were up-regulated in the brains of two transgenic mouse models (J20 and Tg2576) and the brains of patients with AD...
March 20, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28320267/modulating-effect-of-cytokines-on-mechanisms-of-synaptic-plasticity-in-the-brain
#3
REVIEW
S G Levin, O V Godukhin
After accumulation of data showing that resident brain cells (neurons, astrocytes, and microglia) produce mediators of the immune system, such as cytokines and their receptors under normal physiological conditions, a critical need emerged for investigating the role of these mediators in cognitive processes. The major problem for understanding the functional role of cytokines in the mechanisms of synaptic plasticity, de novo neurogenesis, and learning and memory is the small number of investigated cytokines...
March 2017: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28292897/inhibition-of-atherogenesis-by-the-cop9-signalosome-subunit-5-in-vivo
#4
Yaw Asare, Miriam Ommer, Florence A Azombo, Setareh Alampour-Rajabi, Marieke Sternkopf, Maryam Sanati, Marion J Gijbels, Corinna Schmitz, Dzmitry Sinitski, Pathricia V Tilstam, Hongqi Lue, André Gessner, Denise Lange, Johannes A Schmid, Christian Weber, Martin Dichgans, Joachim Jankowski, Ruggero Pardi, Menno P J de Winther, Heidi Noels, Jürgen Bernhagen
Constitutive photomorphogenesis 9 (COP9) signalosome 5 (CSN5), an isopeptidase that removes neural precursor cell-expressed, developmentally down-regulated 8 (NEDD8) moieties from cullins (thus termed "deNEDDylase") and a subunit of the cullin-RING E3 ligase-regulating COP9 signalosome complex, attenuates proinflammatory NF-κB signaling. We previously showed that CSN5 is up-regulated in human atherosclerotic arteries. Here, we investigated the role of CSN5 in atherogenesis in vivo by using mice with myeloid-specific Csn5 deletion...
March 14, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28283936/in-vivo-and-in-vitro-anti-inflammatory-effects-of-ethanol-fraction-from-periploca-forrestii-schltr
#5
Li Dong, Yun Zhang, Xia Wang, Yong-Xi Dong, Lin Zheng, Yong-Jun Li, Jing-Man Ni
OBJECTIVE: To determine the anti-inflammatory effects of an ethanol fraction of Periploca forrestii Schltr. (EFPF) and to investigate the potential mechanisms underlying in vivo and in vitro models. METHODS: The antiinflammatory effects of EFPF were evaluated using the xylene-induced mouse ear edema and carrageenan-induced rat paw edema models in vivo. In vitro, RAW264.7 cells were exposed to 0-800 μg/mL EFPF and the cell viability was determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay...
March 10, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28260798/geniposide-ameliorates-tnbs-induced-experimental-colitis-in-rats-via-reducing-inflammatory-cytokine-release-and-restoring-impaired-intestinal-barrier-function
#6
Bin Xu, Yan-Li Li, Ming Xu, Chang-Chun Yu, Meng-Qiao Lian, Ze-Yao Tang, Chuan-Xun Li, Yuan Lin
Geniposide is an iridoid glycosides purified from the fruit of Gardenia jasminoides Ellis, which is known to have antiinflammatory, anti-oxidative and anti-tumor activities. The present study aimed to investigate the effects of geniposide on experimental rat colitis and to reveal the related mechanisms. Experimental rat colitis was induced by rectal administration of a TNBS solution. The rats were treated with geniposide (25, 50 mg·kg(-1)·d(-1), ig) or with sulfasalazine (SASP, 100 mg·kg(-1)·d(-1), ig) as positive control for 14 consecutive days...
March 6, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28241975/chronic-administration-of-the-soluble-nonbacterial-fraction-of-kefir-attenuates-lipid-deposition-in-ldlr-mice
#7
Adriélly F Santanna, Placielle F Filete, Ewelyne M Lima, Marcella L Porto, Silvana S Meyrelles, Elisardo C Vasquez, Denise C Endringer, Dominik Lenz, Dulcineia S P Abdalla, Thiago M C Pereira, Tadeu U Andrade
OBJECTIVES: Kefir is obtained by the action of acidic bacteria and yeasts that exist in symbiotic association in kefir grains. Recently, this fermented milk drink has been recommended for the treatment of several clinical conditions, such as inflammatory, gastrointestinal, or cardiovascular-related diseases, or a combination of these diseases. However, its effects on atherosclerosis are not yet clear. The aim of this study was to prove that chronic treatment with a soluble, nonbacterial fraction of kefir could reduce the progression of atherosclerosis in low-density lipoprotein receptor-deficient (LDLr(-/-)) mice...
March 2017: Nutrition
https://www.readbyqxmd.com/read/28239912/verrucae-planae-within-previous-xenograft-sites-of-burn-wounds
#8
Olivia Chen, Michelle Vernali Pearlstein, Dean S Morrell, Sarah B Corley
Burn injuries are known to compromise host immune defenses through disruption of mucocutaneous barriers and suppression of cell-mediated immune responses, which may render patients with burn injuries susceptible to viral infections in the days to years after an initial insult. We report a case of verrucae planae developing as a secondary condition confined to former xenograft sites in a child, appearing more than 3.5 years after initial second-degree burn injuries. Only a few reports have previously described the development of verrucae in former burn sites, with most reporting latency to onset of verrucae appearance of months rather than years...
February 27, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28237672/interleukin-10-a-compelling-therapeutic-target-in-patients-with-irritable-bowel-syndrome
#9
REVIEW
Sunil Kumar, Ratnakar Shukla, Prabhat Ranjan, Awanish Kumar
PURPOSE: Pro- and antiinflammatory cytokines are important modulators of the immune response and play a major role in conditions of intestinal inflammation, such as irritable bowel syndrome (IBS). Cytokine production is regulated genetically, and imbalances in cytokine secretion may affect disease susceptibility and clinical outcomes of various conditions. There is a rapidly growing body of evidence to support an etiologic role for gastrointestinal infection and the associated immune activation in the development of postinfectious IBS...
February 23, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28225153/the-effects-of-c5ar1-on-leukocyte-infiltration-following-pilocarpine-induced-status-epilepticus
#10
Melissa J Benson, Silvia Manzanero, Karin Borges
This study aimed to determine the role C5aR1 plays in mediating immune responses acutely after pilocarpine-induced status epilepticus (SE), specifically those of brain-infiltrating leukocytes. Three days following pilocarpine SE, we determined by flow cytometry the brain immune cell phenotypes and measured key proinflammatory and antiinflammatory cytokine expression by infiltrating leukocytes and microglia in C5aR1-deficient and wild-type mice. Absence of C5aR1 reduced by 47% the numbers of Ly6G(+) neutrophils in the brains of No-SE mice and decreased neutrophil entry after SE to levels found in wild-type brains that did not undergo SE (No-SE)...
February 22, 2017: Epilepsia
https://www.readbyqxmd.com/read/28193888/interleukin-37-reverses-the-metabolic-cost-of-inflammation-increases-oxidative-respiration-and-improves-exercise-tolerance
#11
Giulio Cavalli, Jamie N Justice, Kristen E Boyle, Angelo D'Alessandro, Elan Z Eisenmesser, Jonathan J Herrera, Kirk C Hansen, Travis Nemkov, Rinke Stienstra, Cecilia Garlanda, Alberto Mantovani, Douglas R Seals, Lorenzo Dagna, Leo A B Joosten, Dov B Ballak, Charles A Dinarello
IL-1 family member interleukin 37 (IL-37) has broad antiinflammatory properties and functions as a natural suppressor of innate inflammation. In this study, we demonstrate that treatment with recombinant human IL-37 reverses the decrease in exercise performance observed during systemic inflammation. This effect was associated with a decrease in the levels of plasma and muscle cytokines, comparable in extent to that obtained upon IL-1 receptor blockade. Exogenous administration of IL-37 to healthy mice, not subjected to an inflammatory challenge, also improved exercise performance by 82% compared with vehicle-treated mice (P = 0...
February 28, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28157617/all-trans-retinoic-acid-represses-chemokine-expression-in-adipocytes-and-adipose-tissue-by-inhibiting-nf-%C3%AE%C2%BAb-signaling
#12
Esma Karkeni, Lauriane Bonnet, Julien Astier, Charlène Couturier, Julie Dalifard, Franck Tourniaire, Jean-François Landrier
An effect of the Vitamin A metabolite all-trans-retinoic acid (ATRA) on body weight regulation and adiposity has been described, but little is known about its impact on obesity-associated inflammation. Our objective was to evaluate the overall impact of this metabolite on inflammatory response in human and mouse adipocytes, using high-throughput methods, and to confirm its effects in a mouse model. ATRA (2 μM for 24 h) down-regulated the mRNA expression of 17 chemokines in human adipocytes, and limited macrophage migration in a TNFα-conditioned 3 T3-L1 adipocyte medium (73...
January 23, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28127806/ethanol-extract-of-potentilla-supina-linne-suppresses-lps-induced-inflammatory-responses-through-nf-%C3%AE%C2%BAb-and-ap-1-inactivation-in-macrophages-and-in-endotoxic-mice
#13
Hae-Jun Lee, Ji-Sun Shin, Kyoung-Goo Lee, Sang Cheol Park, Young Pyo Jang, Jung-Hwan Nam, Kyung-Tae Lee
In this study, we investigated the antiinflammatory effects of ethanol extracts of Potentilla. supina Linne (EPS) in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages and septic mice. EPS suppressed LPS-induced nitric oxide, prostaglandin E2 , TNF-α, interleukin-6 and interleukin-1β at production and mRNA levels in LPS-induced RAW 264.7 macrophages. Consistent with these observations, EPS attenuated the expressions of inducible nitric oxide synthase and cyclooxygenase-2 by downregulation of their promoter activities...
January 27, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28114090/-pro-inflammatory-cytokines-in-alzheimer-s-disease
#14
E C Stamouli, A M Politis
Alzheimer's disease (AD), the most common progressive neurodegenerative disorder in the elderly, is clinically characterized by progressive impairment of cognitive functions, including reduced critical capacity, weakness of decision-making and problem orientation, while in the more advanced stages it is accompanied by behavioral disorders and impaired verbal ability. Neuropathological characteristics of the disease are the neurofibrillary tangles (NFT), the neuritic plaques (NP), the prominent synaptic loss and eventually the neuronal loss...
October 2016: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/28104348/quercetin-protects-against-heat-stroke-induced-myocardial-injury-in-male-rats-antioxidative-and-antiinflammatory-mechanisms
#15
Xiaojing Lin, Cheng-Hsien Lin, Tingbao Zhao, Dan Zuo, Zhujun Ye, Lin Liu, Mao-Tsun Lin
Heat stroke is characterized by hyperthermia, systemic inflammation, and multiple organ failure including arterial hypotension. This definition can be fulfilled by a rat model of heat stroke used in the present study. Anesthetized animals were exposed to heat exposure (43 °C for 70 min) and then returned to room temperature (26 °C) for recovery. One hour before heat exposure, an intraperitoneal dose of quercetin (30 mg/kg) or vehicle (normal saline 1 ml/kg) was administered to the experimental groups of rats...
March 1, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28092744/quercetin-induces-apoptosis-and-autophagy-in-primary-effusion-lymphoma-cells-by-inhibiting-pi3k-akt-mtor-and-stat3-signaling-pathways
#16
Marisa Granato, Celeste Rizzello, Maria Saveria Gilardini Montani, Laura Cuomo, Marina Vitillo, Roberta Santarelli, Roberta Gonnella, Gabriella D'Orazi, Alberto Faggioni, Mara Cirone
Quercetin, a bioflavonoid contained in several vegetables daily consumed, has been studied for long time for its antiinflammatory and anticancer properties. Quercetin interacts with multiple cancer-related pathways such as PI3K/AKT, Wnt/β-catenin and STAT3. These pathways are hyperactivated in primary effusion lymphoma (PEL), an aggressive B cell lymphoma whose pathogenesis is strictly linked to the oncogenic virus Kaposis' Sarcoma-associated Herpesvirus (KSHV). In this study, we found that quercetin inhibited PI3K/AKT/mTOR and STAT3 pathways in PEL cells, and as a consequence, it down-regulated the expression of the prosurvival cellular proteins such as c-FLIP, cyclin D1 and cMyc...
January 5, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28078860/effects-of-two-different-anesthetic-methods-on-cellular-immunity-of-patients-after-liver-cancer-resection
#17
RANDOMIZED CONTROLLED TRIAL
Y Xu, Y Sun, H Chen, Y Wang, G N Wang
This study aims to investigate the effects of epidural block in combination with general anesthesia and general anesthesia alone on the immune function of patients undergoing primary liver cancer resection. Twenty-four patients with liver cancer who received treatment in the Third Hospital of Harbin Medical University, Heilongjiang, China, were enrolled and randomly allocated into group A and group B, with 12 in each group. The data on the T lymphocyte subpopulation, pro-inflammatory cytokines and antiinflammatory cytokines were recorded before, immediately after and 24 h after liver cancer resection to compare differences and changes...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28078812/gentiana-scabra-bunge-formula-for-herpes-zoster-biological-actions-of-key-herbs-and-systematic-review-of-efficacy-and-safety
#18
REVIEW
Kaiyi Wang, Meaghan E Coyle, Suzi Mansu, Anthony Lin Zhang, Charlie Changli Xue
This study reviewed the biological action of key herbs and evaluated systematically the efficacy and safety of oral Gentiana formula for herpes zoster (HZ). Experimental studies relevant to HZ were identified in PubMed. Randomized controlled trials using Gentiana formula for HZ were identified from nine English and Chinese databases. The primary outcome was evaluation of pain. Potential risk of bias was assessed. Meta-analysis was conducted using mean difference or risk ratio with 95% confidence intervals. Key herbs Gentiana scabra Bunge, Gentiana triflora Pall, Scutellaria baicalensis Georgi, and Gardenia jasminoides Ellis have shown antiinflammatory actions through inhibition of inflammatory cytokines and pro-inflammatory enzymes...
January 12, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28070931/anti-rheumatoid-arthritis-effect-of-kaejadan-via-analgesic-and-antiinflammatory-activity-in-vivo-and-in-vitro
#19
Jung Jae Yoon, Eun Jung Sohn, Jung Hyo Kim, Jai Wha Seo, Sung-Hoon Kim
Although Kaejadan (KJD), an herbal cocktail of three medicinal plants (Lithospermum erythrorhizon, Cinnamomum loureirii, and Salvia miltiorrhiza), has been traditionally used for the treatment of rheumatoid arthritis, its scientific evidence is not fully understood. Hence, we investigated antiinflammatory and analgesic mechanism of KJD in vivo and in vitro. Kaejadan suppressed the number of writhing responses in mice treated by acetic acid and showed antinociceptive effect by tail-flick test. Kaejadan abrogated serotonin or carrageenan or Freund's complete adjuvant (FCA)-induced paw edema and also reduced the level of Evans Blue for vascular permeability...
January 9, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28057862/antiinflammatory-actions-of-inorganic-nitrate-stabilize-the-atherosclerotic-plaque
#20
Rayomand S Khambata, Suborno M Ghosh, Krishnaraj S Rathod, Tharssana Thevathasan, Federica Filomena, Qingzhong Xiao, Amrita Ahluwalia
Reduced bioavailable nitric oxide (NO) plays a key role in the enhanced leukocyte recruitment reflective of systemic inflammation thought to precede and underlie atherosclerotic plaque formation and instability. Recent evidence demonstrates that inorganic nitrate (NO3(-)) through sequential chemical reduction in vivo provides a source of NO that exerts beneficial effects upon the cardiovascular system, including reductions in inflammatory responses. We tested whether the antiinflammatory effects of inorganic nitrate might prove useful in ameliorating atherosclerotic disease in Apolipoprotein (Apo)E knockout (KO) mice...
January 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
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