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https://www.readbyqxmd.com/read/28441343/immune-stimulatory-effects-of-althaea-rosea-flower-extracts-through-the-mapk-signaling-pathway-in-raw264-7-cells
#1
Yon-Suk Kim, Eun-Kyung Kim, Weligala Pahalagedara Amila Srilal Nawarathna, Xin Dong, Woen-Bin Shin, Jin-Su Park, Sang-Ho Moon, Pyo-Jam Park
Althaea rosea (Linn.) is a medicinal plant from China and Korea that has been traditionally used to control inflammation, to stop bedwetting and as a mouthwash in cases of bleeding gums. Its flowers are employed medicinally for their emollient, demulcent and diuretic properties, which make them useful in chest complaints. Furthermore, a flower extract decoction is used to improve blood circulation, for the treatment of constipation, dysmenorrhoea, haemorrhages, etc. However, the possible mechanisms of the immune-stimulatory effect remains to be elucidated...
April 25, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28438620/expression-of-protease-activated-receptor-2-par-2-is-related-to-advanced-clinical-stage-and-adverse-prognosis-in-ovarian-clear-cell-carcinoma
#2
Murasaki Aman, Yoshihiro Ohishi, Hiroko Imamura, Tomoko Shinozaki, Nobuko Yasutake, Kiyoko Kato, Yoshinao Oda
Recent studies demonstrated that Protease-activated receptor-2 (PAR-2) correlates with tumor progression in various tissues. On the other hand, oxidative stress arising from endometriosis has been considered a cause of carcinogenesis in ovarian clear cell carcinoma (OCCC). We previously demonstrated that oxidative stress upregulates PAR-2 expression, and we conducted the present study to investigate the PAR-2 expression and its relation to clinicopathological factors and oxidative stress in OCCC. We performed an immunohistochemical evaluation in 95 cases of OCCC...
April 21, 2017: Human Pathology
https://www.readbyqxmd.com/read/28438564/essential-oil-of-artemisia-argyi-suppresses-inflammatory-responses-by-inhibiting-jak-stats-activation
#3
Lin-Lin Chen, Hao-Jun Zhang, Jung Chao, Jun-Feng Liu
ETHNOPHARMACOLOGICAL RELEVANCE: Artemisia argyi is a herbal medicine traditionally used in Asia for the treatment of bronchitis, dermatitis and arthritis. Recent studies revealed the anti-inflammatory effect of essential oil in this plant. However, the mechanisms underlying the therapeutic potential have not been well elucidated. The present study is aimed to verify anti-inflammatory effect and investigate the probable mechanisms. MATERIALS AND METHODS: The essential oil from Artemisia argyi (AAEO) was initially tested against LPS-induced production of inflammatory mediators and cytokines in RAW264...
April 21, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28437860/chronic-inhibition-of-fatty-acid-amide-hydrolase-by-urb597-produces-differential-effects-on-cardiac-performance-in-normotensive-and-hypertensive-rats
#4
Anna Pedzinska-Betiuk, Jolanta Weresa, Marek Toczek, Marta Baranowska-Kuczko, Irena Kasacka, Ewa Harasim-Symbor, Barbara Malinowska
BACKGROUND AND PURPOSE: Fatty acid amide hydrolase (FAAH) inhibitors are postulated to possess anti-hypertensive potential, because their acute injection decreases blood pressure (BP) in spontaneously hypertensive rats (SHR) partially through normalization of cardiac contractile function. Here, we examined whether the potential hypotensive effect of chronic FAAH inhibition by URB597 in hypertensive rats correlates with changes in cardiac performance. EXPERIMENTAL APPROACH: Experiments were performed using perfused hearts and left atria isolated from 8-10 week old SHR, age-matched deoxycorticosterone acetate (DOCA-salt) rats and normotensive controls chronically treated with URB597 (1 mg kg(-1) ) or vehicle...
April 24, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28437624/immune-response-to-salmonella-infections-in-vaccinated-and-non-vaccinated-turkeys
#5
Martina Hesse, Andreas Stamm, Angela Berndt, Gerhard Glünder, Rita Weber
Vaccination has been widely used to reduce the Salmonella burden in poultry and subsequently the transmission to humans. Concerning turkey, there is little knowledge on the immune response to colonization and invasion by Salmonella species or about efficacy of vaccination and involved immune mechanisms. In the present study, turkeys were vaccinated at the day of hatch and infected with Salmonella Typhimurium (ST) or Enteritidis (SE) field strains three weeks later. A control group was kept uninfected. After challenge infection, bacterial counts in the cecal content, liver and spleen were determined 7 and 14days post infection...
April 6, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28437072/the-single-disulfide-directed-%C3%AE-hairpin-fold-dynamics-stability-and-engineering
#6
Balasubramanyam Chittoor, Krishnarjuna Bankala, Rodrigo A W Morales, Christopher Andrew MacRaild, Maiada Sadek, Eleanor Ww Leung, Samuel Robinson, Michael Pennington, Raymond S Norton
Grafting bioactive peptide sequences onto small cysteine-rich scaffolds is a promising strategy to enhance their stability and value in novel peptide-based therapeutics. However, correctly folded disulfide-rich peptides can be challenging to produce by either recombinant or synthetic means. The single disulfide-directed β-hairpin (SDH) fold, first observed in contryphan-Vc1, provides a potential alternative to complex disulfide-rich scaffolds. We have undertaken recombinant production of full-length contryphan-Vc1 (rCon-Vc1[Z1Q]) and a truncated analog (rCon-Vc11-22[Z1Q]), analyzed the backbone dynamics of rCon-Vc1[Z1Q], and probed the conformational and proteolytic stability of these peptides to evaluate the potential of contryphan-Vc1 as a molecular scaffold...
April 24, 2017: Biochemistry
https://www.readbyqxmd.com/read/28435094/diammonium-glycyrrhizinate-alleviates-hepatopulmonary-syndrome-via-restoring-superoxide-dismutase-3-activity-in-rats
#7
Xin Zhao, Jinyu Liu, Shijun Yang, Chen Chen, He Yin, Ting Li, Qiuting Wang, Xiaoya Li, Yulin Lin, Dayong Cai
Hepatopulmonary syndrome (HPS) has a fatal hypoxemia from pulmonary shunts. Superoxide dismutase 3 (SOD3) deficiency involves in this pathogenesis. The purpose of this study was to investigate the underlying mechanisms of diammonium glycyrrhizinate (DG) on HPS via SOD3. Carbon tetrachloride induced HPS rats were treated with captopril or DG for 56 days. Blood gas, pulmonary artery pressures, and histological changes were measured. Molecule dynamics of inducible (iNOS), endothelial (eNOS), neuronal nitric oxide synthase (nNOS) and SOD3 were assessed by immunohistochemistry, quantitative RT-PCR and western blot...
April 20, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28434751/genome-wide-mapping-and-estimation-of-inbreeding-depression-of-semen-quality-traits-in-a-cattle-population
#8
Maja Ferenčaković, Johann Sölkner, Miroslav Kapš, Ino Curik
Inbreeding depression is known to affect quantitative traits such as male fertility and sperm quality, but the genetic basis for these associations is poorly understood. Most studies have been limited to examining how pedigree- or marker-derived genome-wide autozygosity is associated with quantitative phenotypes. In this study, we analyzed possible associations of genetic features of inbreeding depression with percentage of live spermatozoa and total number of spermatozoa in 19,720 ejaculates obtained from 554 Austrian Fleckvieh bulls during routine artificial insemination programs...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28433945/cqmuh-011-a-novel-adamantane-sulfonamide-compound-inhibits-lipopolysaccharide-and-d-galactosamine-induced-fulminant-hepatic-failure-in-mice
#9
Liping Yan, Xiangnan Hu, Qihong Wu, Rong Jiang, Sisi Zhang, Qiao Ling, Hailin Liu, Xuejun Jiang, Jingyuan Wan, Yingju Liu
CQMUH-011, a novel adamantane sulfonamide compound, was shown to suppress macrophage activation and proliferation in our previous study. However, it is unknown whether CQMUH-011 has anti-inflammatory and hepatoprotective properties. In this study, we investigated the potential effects and mechanisms of CQMUH-011 on lipopolysaccharide (LPS)-induced RAW264.7 cell activation in vitro and LPS- and D-galactosamine (D-GalN)-induced fulminant hepatic failure (FHF) in vivo. The results showed that in RAW264.7 cells challenged by LPS, CQMUH-011 inhibited cell proliferation and induced cell cycle arrest and apoptosis...
April 20, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28433779/identification-of-new-anti-inflammatory-agents-based-on-nitrosporeusine-natural-products-of-marine-origin
#10
Satish Chandra Philkhana, Abhishek Kumar Verma, Gorakhnath R Jachak, Bibhabasu Hazra, Anirban Basu, D Srinivasa Reddy
Nitrosporeusines A and B are two recently isolated marine natural products with novel skeleton and exceptional biological profile. Interesting antiviral activity of nitrosporeusines and promising potential in curing various diseases, evident from positive data from various animal models, led us to investigate their anti-inflammatory potential. Accordingly, we planned and synthesized nitrosporeusines A and B in racemic as well as enantiopure forms. The natural product synthesis was followed by preparation of several analogues, and all the synthesized compounds were evaluated for in vitro and in vivo anti-inflammatory potential...
April 13, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28432704/human-galectin-9-on-the-porcine-cells-affects-the-cytotoxic-activity-of-m1-differentiated-thp-1-cells-through-inducing-a-shift-in-m2-differentiated-thp-1-cells
#11
Sung Han Jung, Jeong Ho Hwang, Sang Eun Kim, Young Kyu Kim, Hyo Chang Park, Hoon Taek Lee
BACKGROUND: In xenotransplantation, immune rejection by macrophages occurs rapidly and remains a major obstacle. Studies to control immune rejection in macrophages have been continuing to date. Recent studies have reported that human galectin-9 (hGal-9) can regulate the function of regulatory T cells (Treg), as well as cytotoxicity T cells (CTL) and natural killer cells (NK). Although the effect of hGal-9 on lymphocytes has been well studied, the relationship between hGal-9 and myeloid cells has been scarcely studied...
April 21, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28432434/ventricular-androgenic-anabolic-steroid-related-remodeling-an-immunohistochemical-study
#12
Rossana Cecchi, Barbara Muciaccia, Costantino Ciallella, Natale Mario Di Luca, Akihiko Kimura, Cristina Sestili, Mizuho Nosaka, Toshikazu Kondo
BACKGROUND: Several fatal cases of bodybuilders, following a myocardial infarction after long exposure to androgenic-anabolic steroids (AAS), are reported. In recent years, evidence has emerged of cases of heart failure related to AAS consumption, with no signs of coronary or aorta atherosclerosis. This study aims to further investigate the pathogenesis of the ventricular AAS-related remodeling performing immunohistochemistry (IHC). METHOD: In order to examine innate immunity activity and myocytes and endothelial cell apoptosis, IHC analyses were performed on heart tissue of two cases of bodybuilders who died after years of supratherapeutic use of metelonone and nandrolone and where no atherosclerosis or thrombosis were found, using the following antibodies: anti-CD68, anti-iNOS, anti-CD163, anti-CD 15, anti-CD8, anti-CD4, anti-HIF1 α, and in situ TUNEL staining...
April 21, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28432279/il-35-induces-n2-phenotype-of-neutrophils-to-promote-tumor-growth
#13
Jiu-Ming Zou, Jian Qin, Yong-Chao Li, Yu Wang, Dong Li, Yu Shu, Chao Luo, Shan-Shan Wang, Gang Chi, Fang Guo, Gui-Mei Zhang, Zuo-Hua Feng
IL-35 is an immunosuppressive cytokine and exerts regulatory effects on T cells, B cells, macrophages and dendritic cells. Neutrophils are important innate immune cells that play key roles in tumor development. The effect of IL-35 on neutrophils remains unknown. Here, we report that IL-35 can induce N2 neutrophil polarization (protumor phenotype) by increasing G-CSF and IL-6 production, and promote neutrophil infiltration into tumor microenvironment. The sustained expression of IL-35 could promote chronic inflammation to augment the proangiogenic and immunosuppressive function of neutrophils...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28431387/cypermethrin-toxication-leads-to-histopathological-lesions-and-induces-inflammation-and-apoptosis-in-common-carp-cyprinus-carpio-l
#14
Harun Arslan, Selçuk Özdemir, Serdar Altun
Cypermethrin (Cyp), a known neurotoxic pesticide, is widely used in agricultural applications. In the present study, the aim was to determine the histopathological effects of Cyp toxication and evaluate the activation of inducible nitric oxide synthetase (iNOS) and 8-hydroxy-2-deoxyguanosine (8-OHdG) using an immunofluorescence assay. Thereafter, we identified the expressions of caspase 3, capsase 8, iNOS, and metallothionein 1 (MT1) genes in common carp using quantitative reverse transcription polymerase chain reaction (qRT-PCR)...
April 14, 2017: Chemosphere
https://www.readbyqxmd.com/read/28429935/saponins-ginsenosides-from-the-leaves-of-panax-quinquefolius-ameliorated-acetaminophen-induced-hepatotoxicity-in-mice
#15
Xing-Yue Xu, Jun-Nan Hu, Zhi Liu, Rui Zhang, Yu-Fang He, Wei Hou, Zhi-Qing Wang, Ge Yang, Wei Li
Acetaminophen (APAP) overdose is one of the most common inducements of drug-induced liver injury (DILI) in the world. The main purpose of this paper was to investigate the liver protection activity of saponins (ginsenosides) from the leaves of Panax quinquefolius (PQS) against APAP-induced hepatotoxicity, and the involved mechanisms were demonstrated for the first time. Mice were pretreated with PQS (150 and 300 mg/kg) by oral gavage for 7 days before being treated with 250 mg/kg APAP. Severe liver injury was exerted at 24 h post-APAP, and hepatotoxicity was assessed...
April 25, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28427689/demographic-and-clinical-profile-of-multiple-sclerosis-in-kashmir-a-short-report
#16
Insha Zahoor, Ravouf Asimi, Ehtishamul Haq, Irfan Yousuf Wani
BACKGROUND: Multiple sclerosis (MS) is a chronic autoimmune and inflammatory disease of the central nervous system (CNS). There have been only few population/hospital based studies on MS in India, and at the same time there is no data on its profile in Kashmir. METHODS: A total of 41 MS patients diagnosed on the basis of 2010 Revised Mc Donald criteria were enrolled in this study from Kashmir region of India. Clinical, demographic, radiological and biochemical parameters were analyzed for most of the patients...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28426254/naringin-protects-viscera-from-ischemia-reperfusion-injury-by-regulating-the-nitric-oxide-level-in-a-rat-model
#17
A Cerkezkayabekir, F Sanal, E Bakar, E Ulucam, M Inan
We investigated the effects of naringin on small intestine, liver, kidney and lung recovery after ischemia/reperfusion (I/R) injury of the gut. Rats were divided randomly into four groups of eight. Group A was the sham control; group B was ischemic for 2 h; group C was ischemic for 2 h and re-perfused for 2 h (I/R); group D was treated with 50 mg/kg naringin after ischemia, then re-perfused for 2 h. Endothelial nitric oxide synthase (eNOS) and inducible nitric oxide synthase (iNOS) expressions were detected by immunolabeling...
April 20, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28425440/the-valosin-containing-protein-is-a-novel-mediator-of-mitochondrial-respiration-and-cell-survival-in-the-heart-in-vivo
#18
Paulo Lizano, Eman Rashed, Shaunrick Stoll, Ning Zhou, Hairuo Wen, Tristan T Hays, Gangjian Qin, Lai-Hua Xie, Christophe Depre, Hongyu Qiu
The valosin-containing protein (VCP) participates in signaling pathways essential for cell homeostasis in multiple tissues, however, its function in the heart in vivo remains unknown. Here we offer the first description of the expression, function and mechanism of action of VCP in the mammalian heart in vivo in both normal and stress conditions. By using a transgenic (TG) mouse with cardiac-specific overexpression (3.5-fold) of VCP, we demonstrate that VCP is a new and powerful mediator of cardiac protection against cell death in vivo, as evidenced by a 50% reduction of infarct size after ischemia/reperfusion versus wild type...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424593/phospholipase-a2-of-peroxiredoxin-6-plays-a-critical-role-in-cerebral-ischemia-reperfusion-inflammatory-injury
#19
Yu Shanshan, Jiang Beibei, Tan Li, Gao Minna, Lei Shipeng, Peng Li, Zhao Yong
Microglia-mediated inflammation is an important step in the progression of cerebral ischemia/reperfusion injury and the associated production of receptors of immunomoudulation, including Toll-like receptors (TLRs). Peroxiredoxin 6 (Prdx6) has been demonstrated as the endogenous antioxidant protein for its peroxidase properties. However, the role of the independent phospholipase A2 (iPLA2) activity of Prdx6 in stroke has not been well studied. In this study, we evaluated whether blocking the calcium-iPLA2 activity of Prdx6 using siRNA and inhibitors (1-hexadecyl-3-(trifluoroethgl)-sn-glycerol-2 phosphomethanol, MJ33) would have a critical effect on inflammatory brain damage...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28422760/cannabinoid-cb1-receptor-overactivity-contributes-to-the-pathogenesis-of-idiopathic-pulmonary-fibrosis
#20
Resat Cinar, Bernadette R Gochuico, Malliga R Iyer, Tony Jourdan, Tadafumi Yokoyama, Joshua K Park, Nathan J Coffey, Hadass Pri-Chen, Gergő Szanda, Ziyi Liu, Ken Mackie, William A Gahl, George Kunos
Idiopathic pulmonary fibrosis (IPF) is a life-threatening disease without effective treatment, highlighting the need for identifying new targets and treatment modalities. The pathogenesis of IPF is complex, and engaging multiple targets simultaneously might improve therapeutic efficacy. To assess the role of the endocannabinoid/cannabinoid receptor 1 (endocannabinoid/CB1R) system in IPF and its interaction with inducible nitric oxide synthase (iNOS) as dual therapeutic targets, we analyzed lung fibrosis and the status of the endocannabinoid/CB1R system and iNOS in mice with bleomycin-induced pulmonary fibrosis (PF) and in lung tissue and bronchoalveolar lavage fluid (BALF) from patients with IPF, as well as controls...
April 20, 2017: JCI Insight
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