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https://www.readbyqxmd.com/read/28104348/quercetin-protects-against-heat-stroke-induced-myocardial-injury-in-male-rats-antioxidative-and-antiinflammatory-mechanisms
#1
Xiaojing Lin, Cheng-Hsien Lin, Tingbao Zhao, Dan Zuo, Zhujun Ye, Lin Liu, Mao-Tsun Lin
Heat stroke is characterilized 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...
January 16, 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
#2
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
#3
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
#4
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
#5
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
#6
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 5, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28028755/effects-of-ezetimibe-simvastatin-and-their-combination-on-inflammatory-parameters-in-a-rat-model-of-adjuvant-induced-arthritis
#7
REVIEW
Carmem Patrícia Barbosa, Lívia Bracht, Franciele Queiroz Ames, Francielli Maria de Souza Silva-Comar, Rafael Prizon Tronco, Ciomar Aparecida Bersani-Amado
Statins are hypocholesterolemic drugs that are prescribed for patients with an increased risk of cardiovascular and cerebrovascular complications. Ezetimibe has an atheroprotective activity through inhibition of the expression of vascular adhesion molecule-I and vascular CD14, a marker of the infiltration of mononuclear leukocytes. Ezetimibe reduces the amount of chemoattractant protein-1 that is available for monocytes and macrophages and alters the activity of nuclear factor κB in leukocytes. The mechanisms of action of statins complement those of ezetimibe...
December 28, 2016: Inflammation
https://www.readbyqxmd.com/read/27986128/high-thyroid-stimulating-hormone-levels-increase-proinflammatory-and-cardiovascular-markers-in-patients-with-extreme-obesity
#8
Jaime Héctor Gómez-Zamudio, Victoria Mendoza-Zubieta, Aldo Ferreira-Hermosillo, Marío Antonio Molina-Ayala, Adán Valladares-Sálgado, Fernando Suárez-Sánchez, Jose de Jesús Peralta-Romero, Miguel Cruz
BACKGROUND AND AIMS: Obesity is an important health problem worldwide and many studies have suggested a relationship between obesity and thyroid function, with controversial results. Interestingly, high TSH levels have been involved with the presence of inflammatory state and risk for developing cardiovascular diseases in hypothyroid and obese patients. The aim in this work was to determine the prevalence of hypothyroidism in patients with extreme obesity and to determine whether their TSH levels were related to increased serum levels of inflammatory and cardiovascular markers...
August 2016: Archives of Medical Research
https://www.readbyqxmd.com/read/27914455/mediators-and-biomarkers-of-inflammation-in-meningitis-cytokine-and-peptidome-profiling-of-cerebrospinal-fluid
#9
A A Belogurov, O M Ivanova, Y A Lomakin, R H Ziganshin, M I Vaskina, V D Knorre, E A Klimova, A G Gabibov, V T Ivanov, V M Govorun
Differential diagnosis of bacterial and viral meningitis is an urgent problem of the modern clinical medicine. Early and accurate detection of meningitis etiology largely determines the strategy of its treatment and significantly increases the likelihood of a favorable outcome for the patient. In the present work, we analyzed the peptidome and cytokine profiles of cerebrospinal fluid (CSF) of 17 patients with meningitis of bacterial and viral etiology and of 20 neurologically healthy controls. In addition to the identified peptides (potential biomarkers), we found significant differences in the cytokine status of the CSF of the patients...
November 2016: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/27884341/propofol-inhibits-t-helper-cell-type-2-differentiation-by-inducing-apoptosis-via-activating-gamma-aminobutyric-acid-receptor
#10
Jingxia Meng, Xin Xin, Zhen Liu, Hao Li, Bo Huang, Yuguang Huang, Jing Zhao
BACKGROUND: Propofol has been shown to attenuate airway hyperresponsiveness in asthma patients. Our previous study showed that it may alleviate lung inflammation in a mouse model of asthma. Given the critical role of T-helper cell type-2 (Th2) differentiation in asthma pathology and the immunomodulatory role of the gamma-aminobutyric acid type A (GABAA) receptor, we hypothesized that propofol could alleviate asthma inflammation by inhibiting Th2 cell differentiation via the GABA receptor...
December 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27859734/withanolides-against-tlr4-activated-innate-inflammatory-signalling-pathways-a-comparative-computational-and-experimental-study
#11
Preethi M Purushotham, Jin-Man Kim, Eun-Kyeong Jo, Kalaiselvi Senthil
Innate inflammations are dominant causes of poor health and high mortality. The pathogen-associated molecular pattern and lipopolysaccharide (LPS) are sensed by immune cells through activation of toll-like receptor 4 leading to mitogen-activated protein kinases (MAPKs) and NF-κB activations. Controlled MAPK and Nf-κB inhibitors have been proposed as potential antiinflammatory drugs. Withania somnifera is an important medicinal herb with known antiinflammatory activity. In this study, the selected Withania somnifera extracts and withanolides were analysed on LPS-induced macrophages comparatively...
November 17, 2016: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/27830532/role-of-microglia-in-neurological-disorders-and-their-potentials-as-a-therapeutic-target
#12
REVIEW
Li Du, Ying Zhang, Yang Chen, Jie Zhu, Yi Yang, Hong-Liang Zhang
Microglia are resident macrophage-like immune cells in the central nervous system (CNS) and play a vital role in both physiological and pathological conditions, including restoring the integrity of the CNS and promoting the progression of neurodegenerative disorders. Upon stimulation, microglia typically convert from a surveillant to an activated phenotype. The major function of microglia is to maintain homeostasis and normal function of the CNS, both during development and in response to CNS injury. Microglia regulate multiple aspects of inflammation, such as repair, cytotoxicity, regeneration, and immunosuppression due to their different kind of activation states or phenotypes...
November 9, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27776166/glucosamine-downregulates-the-il-1%C3%AE-induced-expression-of-proinflammatory-cytokine-genes-in-human-synovial-mh7a-cells-by-o-glcnac-modification-dependent-and-independent-mechanisms
#13
Akimasa Someya, Takako Ikegami, Koji Sakamoto, Isao Nagaoka
Osteoarthritis (OA) is one of the major joint diseases, and the synovial inflammation is involved in the pathogenesis and progression of OA. Glucosamine (GlcN) is widely used as a dietary supplement for OA, and is expected to exert the antiinflammatory action in OA. However, the detailed mechanism for the antiinflammatory action of GlcN remains poorly understood. In this study, to elucidate the molecular mechanism involved in the GlcN-medicated regulation of synovial cell activation, we comprehensively analyzed the effect of GlcN on the gene expression using a human synovial cell line MH7A by DNA microarray...
2016: PloS One
https://www.readbyqxmd.com/read/27760076/the-bisphosphonate-pamidronate-is-an-intestinal-antiinflammatory-agent-in-rat-and-mouse-experimental-colitis
#14
Rocío López-Posadas, Cristina Mascaraque, Raquel González, María D Suárez, Antonio Zarzuelo, Olga Martínez-Augustin, Fermín Sánchez de Medina
BACKGROUND: Statins have antiinflammatory effects at the cardiovascular level because of inhibition of prenylation, which also probably underlies their therapeutic effects in preclinical models of inflammatory bowel disease. Another inhibitor of prenylation, namely alendronate, reduces colitis in rodents. In this study, we aim to explore the therapeutic potential of second-generation, nitrogen-containing bisphosphonates in 3 preclinical models of colitis. METHODS: The trinitrobenzenesulfonic acid and dextran sulfate sodium models of rat colitis and the adoptive lymphocyte transfer model of colitis in mice were used...
November 2016: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/27704348/effect-of-hyperlipidemia-and-plasma-cytokine-levels-in-rats-after-anterior-abdominal-wall-reconstruction-with-the-use-of-synthetic-endoprostheses
#15
A A Grigoryuk, E P Turmova
The effect of hyperlipidemia on the systemic production of cytokines was evaluated in the plasma of rats after anterior abdominal wall reconstruction with polypropylene (Esfil) and polytetrafluorethylene (Ecoflon) endoprostheses. The reference group was formed from animals without hyperlipidemia, in which anterior abdominal wall plasty was carried out with the use of the same endoprostheses. Intact rats without hyperlipidemia and intervention served as the control. Hypercytokinemia was detected on days 1-10 after reconstructive surgery on the anterior abdominal wall...
September 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27686665/antiinflammatory-effects-of-functionally-active-compounds-isolated-from-aged-black-garlic
#16
Dong-Gyu Kim, Min Jung Kang, Seong Su Hong, Yun-Hyeok Choi, Jung Hye Shin
The antiinflammatory effects of functionally active compounds isolated from aged black garlic (AGE-1 and AGE-2) were investigated using a lipopolysaccharide-induced inflammatory response model. To examine the potential antiinflammatory properties of AGE-1 and AGE-2, cell viability as well as nitric oxide, prostaglandin E2, and pro-inflammatory cytokine [interleukin-6 (IL-6), TNF-α, and IL-1β] levels were measured. The mRNA and protein expression levels of inducible nitric oxide synthase and cyclooxygenase-2 were detected by reverse transcription polymerase chain reaction and western blotting...
September 30, 2016: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/27678149/modulation-of-behavioral-deficits-and-neurodegeneration-by-tannic-acid-in-experimental-stroke-challenged-wistar-rats
#17
Mohammad Ashafaq, Heena Tabassum, Suhel Parvez
Oxidative stress and inflammatory responses play a critical contributing factor in cerebral ischemia and reperfusion, which lead to lipid peroxidation and neuronal dysfunction that may represent a target for therapeutic intervention. The present study was aimed to elucidate the neuroprotective effect of tannic acid (TA), a natural polyphenol with potential antioxidant and antiinflammatory properties on middle cerebral artery occlusion (MCAO) model in rats. To test this hypothesis, male Wistar rats were pretreated with TA (50 mg/kg b...
September 27, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27621415/pka-regulatory-ii%C3%AE-subunit-is-essential-for-pgd2-mediated-resolution-of-inflammation
#18
Deping Kong, Yujun Shen, Guizhu Liu, Shengkai Zuo, Yong Ji, Ankang Lu, Masataka Nakamura, Michael Lazarus, Constantine A Stratakis, Richard M Breyer, Ying Yu
The kinetic participation of macrophages is critical for inflammatory resolution and recovery from myocardial infarction (MI), particularly with respect to the transition from the M1 to the M2 phenotype; however, the underlying mechanisms are poorly understood. In this study, we found that the deletion of prostaglandin (PG) D2 receptor subtype 1 (DP1) in macrophages retarded M2 polarization, antiinflammatory cytokine production, and resolution in different inflammatory models, including the MI model. DP1 deletion up-regulated proinflammatory genes expression via JAK2/STAT1 signaling in macrophages, whereas its activation facilitated binding of the separated PKA regulatory IIα subunit (PRKAR2A) to the transmembrane domain of IFN-γ receptor, suppressed JAK2-STAT1 axis-mediated M1 polarization, and promoted resolution...
September 19, 2016: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27601648/rabex-5-is-a-lenalidomide-target-molecule-that-negatively-regulates-tlr-induced-type-1-ifn-production
#19
David Millrine, Mami Tei, Yohannes Gemechu, Tadamitsu Kishimoto
Immunomodulatory drugs (IMiDs) are a family of compounds derived from thalidomide. Binding of the IMiD molecule to the Lon protease Cereblon initiates the degradation of substrates via the ubiquitin proteasome pathway. Here, we show that Cereblon forms a complex with Rabex-5, a regulator of immune homeostasis. Treatment with lenalidomide prevented the association of Cereblon with Rabex-5. Conversely, mutation of the IMiD binding site increased Cereblon-Rabex-5 coimmunoprecipitation. The thalidomide binding region of Cereblon therefore regulates the formation of this complex...
September 20, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27585682/chronic-nonbacterial-osteomyelitis-pathophysiological-concepts-and-current-treatment-strategies
#20
REVIEW
Sigrun R Hofmann, Anja Schnabel, Angela Rösen-Wolff, Henner Morbach, Hermann J Girschick, Christian M Hedrich
Chronic nonbacterial osteomyelitis (CNO) is an autoinflammatory bone disorder, covering a clinical spectrum with asymptomatic inflammation of single bones at the one end, and chronic recurrent multifocal osteomyelitis (CRMO) at the other end. The exact molecular pathophysiology of CNO remains largely unknown. Provided familial clusters and the association with inflammatory disorders of the skin and intestine suggest a genetic predisposition. Recently, profound dysregulation of cytokine responses was demonstrated in CRMO...
November 2016: Journal of Rheumatology
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