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https://www.readbyqxmd.com/read/29156815/the-effect-of-aspirin-on-circulating-netrin-1-levels-in-humans-is-dependent-on-the-inflammatory-status-of-the-vascular-endothelium
#1
Kerry Layne, Timothy Goodman, Albert Ferro, Gabriella Passacquale
In atherosclerotic animal models, the cyclo-oxygenase (COX)-inhibitor aspirin counteracts downregulation of endothelial-derived netrin-1, thus reducing arterial inflammation. We here explored the effect of aspirin on netrin-1 in healthy subjects undergoing influenza immunisation, which is an established experimental model of inflammation-related endothelial dysfunction. Our data showed that netrin-1 undergoes reduction (-29.25% from baseline; p=0.0017) in the presence of endothelial activation (VCAM-1 rose by 9...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156752/early-and-late-effects-of-aspirin-and-naproxen-on-micrornas-in-the-lung-and-blood-of-mice-either-unexposed-or-exposed-to-cigarette-smoke
#2
Alberto Izzotti, Roumen Balansky, Gancho Ganchev, Marietta Iltcheva, Mariagrazia Longobardi, Alessandra Pulliero, Anna Camoirano, Francesco D'Agostini, Marta Geretto, Rosanna T Micale, Sebastiano La Maestra, Mark Steven Miller, Vernon E Steele, Silvio De Flora
We recently showed that nonsteroidal anti-inflammatory drugs (NSAIDs) are able to inhibit the lung tumors induced by cigarette smoke, either mainstream (MCS) or environmental (ECS), in female mice. We used subsets of mice to analyze the expression of 1135 microRNAs in both lung and blood serum, as related to the whole-body exposure to smoke and/or oral administration of either aspirin or naproxen. In a first study, we evaluated early microRNA alterations in A/J mice exposed to ECS for 10 weeks, starting at birth, and/or treated with NSAIDs for 6 weeks, starting after weaning...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156726/adiponectin-receptor-agonists-inhibit-leptin-induced-pstat3-and-in-vivo-pancreatic-tumor-growth
#3
Fanuel Messaggio, Alisha M Mendonsa, Jason Castellanos, Nagaraj S Nagathihalli, Lee Gorden, Nipun B Merchant, Michael N VanSaun
Obesity is a significant risk factor for pancreatic cancer, harboring a chronic inflammatory condition characterized by dysregulation of the adipokines, leptin and adiponectin, that in turn alter oncogenic signaling pathways. We and others have shown that leptin promotes the proliferation and an invasive potential of pancreatic cancer cells through STAT3 mediated signaling. However, the role of adiponectin on the tumorigenicity of pancreatic cancer has not been elucidated. Adiponectin represents an important negative regulator of cytokines, which acts through two receptors, ADIPOR1 and ADIPOR2, to elicit pro-apoptotic, anti-inflammatory, and anti-angiogenic responses...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156588/cytotoxicity-of-poly-alkyl-cyanoacrylate-nanoparticles
#4
Einar Sulheim, Tore-Geir Iversen, Vu To Nakstad, Geir Klinkenberg, Håvard Sletta, Ruth Schmid, Anne Rein Hatletveit, Ane Marit Wågbø, Anders Sundan, Tore Skotland, Kirsten Sandvig, Ýrr Mørch
Although nanotoxicology has become a large research field, assessment of cytotoxicity is often reduced to analysis of one cell line only. Cytotoxicity of nanoparticles is complex and should, preferentially, be evaluated in several cell lines with different methods and on multiple nanoparticle batches. Here we report the toxicity of poly(alkyl cyanoacrylate) nanoparticles in 12 different cell lines after synthesizing and analyzing 19 different nanoparticle batches and report that large variations were obtained when using different cell lines or various toxicity assays...
November 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156553/inclusion-complexes-of-copaiba-copaifera-multijuga-hayne-oleoresin-and-cyclodextrins-physicochemical-characterization-and-anti-inflammatory-activity
#5
Jonas Gabriel de Oliveira Pinheiro, Emanuella de Aragão Tavares, Sofia Santos da Silva, Juliana Félix Silva, Yasmim Maria Barbosa Gomes de Carvalho, Magda Rhayanny Assunção Ferreira, Adriano Antunes de Souza Araújo, Euzébio Guimarães Barbosa, Matheus de Freitas Fernandes Pedrosa, Luiz Alberto Lira Soares, Eduardo Pereira de Azevedo, Valdir Florêncio da Veiga Júnior, Ádley Antonini Neves de Lima
Complexation with cyclodextrins (CDs) is a technique that has been extensively used to increase the aqueous solubility of oils and improve their stability. In addition, this technique has been used to convert oils into solid materials. This work aims to develop inclusion complexes of Copaifera multijuga oleoresin (CMO), which presents anti-inflammatory activity, with β-cyclodextrin (β-CD) and hydroxypropyl-β-cyclodextrin (HP-β-CD) by kneading (KND) and slurry (SL) methods. Physicochemical characterization was performed to verify the occurrence of interactions between CMO and the cyclodextrins...
November 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156529/alpinetin-improved-high-fat-diet-induced-non-alcoholic-fatty-liver-disease-nafld-through-improving-oxidative-stress-inflammatory-response-and-lipid-metabolism
#6
Yong Zhou, Yin-Lu Ding, Jian-Liang Zhang, Peng Zhang, Jin-Qing Wang, Zhao-Hua Li
The non-alcoholic fatty liver disease (NAFLD) has become a serious medical problem and an increasing threat to public health. It is characterized by the abnormal fat accumulation in liver without excessive alcohol intake. The concurrent NAFLD might up-regulate the risk of chronic kidney disease as well as the mortality rate. Though various drugs have been investigated to attenuate NAFLD, further study is still necessary to find new therapeutic strategy and to reveal the underlying molecular mechanism. In the present study, NAFLD animal models were induced by feeding with high fat (HF) diet for 8 weeks...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156528/actein-ameliorates-hepatic-steatosis-and-fibrosis-in-high-fat-diet-induced-nafld-by-regulation-of-insulin-and-leptin-resistant
#7
Hong-Jun Chen, Jin Liu
Insulin and leptin resistance are highly involved in metabolic syndrome and non-alcoholic fatty liver disease (NAFLD). Presently, no approved treatment is available. Actein is isolated from the rthizomes of Cimicifuga foetida, a triterpene glycoside, exhibiting important biological properties, such as anti-inflammatory, anti-cancer, and anti-oxidant activity. However, its effects on metabolic syndrome are poorly understood. The aims of the study were mainly to investigate the molecular mechanisms regulating insulin and leptin resistance, and lipogenic action of actein in high fat diet-fed mice...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156522/the-prevention-of-tnf-%C3%AE-ifn-%C3%AE-mixture-induced-inflammation-in-human-keratinocyte-and-atopic-dermatitis-like-skin-lesions-in-nc-nga-mice-by-mineral-balanced-deep-sea-water
#8
Kyu-Shik Lee, So-Young Chun, Min-Gu Lee, Soyoung Kim, Tae-Jung Jang, Kyung-Soo Nam
Atopic dermatitis (AD) is a chronic inflammatory skin disease caused by environmental and chemical allergens. Despite the complexity of its pathogenesis, many investigations have shown that substances having anti-inflammatory activities alleviated the pathology of AD. Here, we evaluated the effects of mineral-balanced deep sea water (DSW) on AD-like skin damage in both in vitro and in vivo. The results showed that mineral-balanced DSW regressed inflammatory chemokines, such as macrophage-derived chemokine (MDC), thymus- and activation-regulated chemokine (TARC) and regulated on activation, normal T-cell expressed and secreted (RANTES), and cytokines, interleukin (IL)-6 and granulocyte-macrophage colony-stimulating factor (GM-CSF) mRNA expression in HaCaT immortal human keratinocyte treated with tumor necrosis factor (TNF)-α/ interferon (IFN)-γ mixture...
November 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156519/in-vivo-assessment-of-the-osteo-protective-effects-of-eugenol-in-alveolar-bone-tissues
#9
Hatem M Abuohashish, Dina A Khairy, Maha M Abdelsalam, Ahmed Alsayyah, Mohammed M Ahmed, Salim S Al-Rejaie
Estrogen deficiency following menopausal provokes alveolar bone loss, remodeling and inflammation. Eugenol is a phenolic compound with wide dental applications and anti-inflammatory properties. In the present study, the potential protective role of eugenol against alveolar bone deformities was investigated in an ovariectomized (OVX) rodent model. Two doses of eugenol (2.5 and 5 mg/kg/d) were administered to OVX animals for 12 weeks. In Serum, markers of bone metabolism and pro-inflammatory cytokines were estimated using ELISA...
November 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29155853/novel-chloroacetamido-compound-cwr-j02-is-an-anti-inflammatory-glutaredoxin-1-inhibitor
#10
Olga Gorelenkova Miller, Kyle S Cole, Corey C Emerson, Dharmaraja Allimuthu, Marcin Golczak, Phoebe L Stewart, Eranthie Weerapana, Drew J Adams, John J Mieyal
Glutaredoxin (Grx1) is a ubiquitously expressed thiol-disulfide oxidoreductase that specifically catalyzes reduction of S-glutathionylated substrates. Grx1 is known to be a key regulator of pro-inflammatory signaling, and Grx1 silencing inhibits inflammation in inflammatory disease models. Therefore, we anticipate that inhibition of Grx1 could be an anti-inflammatory therapeutic strategy. We used a rapid screening approach to test 504 novel electrophilic compounds for inhibition of Grx1, which has a highly reactive active-site cysteine residue (pKa 3...
2017: PloS One
https://www.readbyqxmd.com/read/29155458/localization-of-surfactant-protein-d-in-the-rheumatoid-synovial-membrane
#11
Anne Friesgaard Christensen, Grith Lykke Sorensen, Kirsten Junker, Peter Hvidbak Revald, Claus Varnum, Flemming Brandt Sorensen, Peter Junker
Surfactant protein-D (SP-D) is a collectin, which plays an important role in airway protection and inflammation. The molecule has both pro- and anti-inflammatory capacities depending on its molecular size. Its involvement in joint diseases is largely unknown and the aim of this investigation was to study SP-D occurrence and distribution in the synovial membrane of patients with long-standing rheumatoid arthritis (RA) and osteoarthritis (OA). Six RA patients and six OA patients, who underwent total hip arthroplasty, were included in the study...
November 20, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/29155449/baicalein-inhibits-acinar-to-ductal-metaplasia-of-pancreatic-acinal-cell-ar42j-via-improving-the-inflammatory-microenvironment
#12
Wei-Ling Pu, Ying-Ying Luo, Ru-Yu Bai, Ao-Wei Guo, Kun Zhou, Yun-Sha Zhang, Lin Miao, Curzio Rüegg, Micheal O Hottiger, Xiu-Mei Gao, Li-Kang Sun
Pancreatic ductal adenocarcinoma (PDAC) is one of the most aggressive cancers. Recent research has demonstrated that chronic pancreatitis (CP) is associated with an increased risk of PDAC, partly due to acinar-to-ductal metaplasia (ADM). Baicalein has been shown to exert anti-inflammatory and anti-tumor effects for CP or PDAC, respectively. The aim of our study was to investigate the effect of baicalein, and the putative underlying mechanism, on inflammatory cytokines-induced ADM of rat pancreatic acinar cell line AR42J...
November 20, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29155324/angiotensin-receptor-blocker-irbesartan-reduces-stress-induced-intestinal-inflammation-via-at1a-signaling-and-ace2-dependent-mechanism-in-mice
#13
Maimaiti Yisireyili, Yasuhiro Uchida, Koji Yamamoto, Takayuki Nakayama, Xian Wu Cheng, Tadashi Matsushita, Shigeo Nakamura, Toyoaki Murohara, Kyosuke Takeshita
Stress is associated with pathophysiology of both irritable bowel syndrome (IBS) and hypertension. Angiotensin receptor blockers (ARB) have anti-inflammatory properties via inhibition of angiotensin II (Ang II)/Ang II type I receptor axis (AT1). Inhibition of the classical RAS pathway is also involved in upregulation of angiotensin converting enzyme-2 (ACE2), which activates the Ang-(1-7) /Mas pathway to counteract inflammatory signaling and acts as a partner of the amino acid transporter, B(0)AT-1, to absorb tryptophan for regulation of microbiota-gut-brain axis...
November 16, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29155261/the-phosphodiesterase-4-inhibitor-fcpr16-attenuates-ischemia-reperfusion-injury-in-rats-subjected-to-middle-cerebral-artery-occlusion-and-reperfusion
#14
Jiajia Chen, Hui Yu, Jiahong Zhong, Hongfang Feng, Haitao Wang, Yufang Cheng, Zhengqiang Zou, Chang Huang, Zhongzhen Zhou, Wenhua Zheng, Jiangping Xu
Current phosphodiesterase-4 (PDE4) inhibitors exert beneficial effects in central nervous system diseases via anti-inflammatory and anti-apoptotic properties, but many of them are plagued by side effects like nausea and emesis. FCPR16, a novel PDE4 inhibitor synthesized in our lab, has potential anti-inflammatory property. In the present study, we aimed to investigate the effects of FCPR16 in a rat model of ischemic stroke and evaluate its emetogenic potential. Our results showed that FCPR16 treatment improved neurological function, reduced cerebral infarct volume, and attenuated brain histological changes in rats subjected to middle cerebral artery occlusion and reperfusion (MCAO/R)...
November 16, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/29155220/complement-components-as-promoters-of-immunological-tolerance-in-dendritic-cells
#15
REVIEW
Ana Luque, Inmaculada Serrano, Josep M Aran
Complement and dendritic cells (DCs) share many functional features that drive the outcome of immune-inflammatory processes. Both have a sentinel function, acting as danger sensors specialized for a rapid, comprehensive and selective action against potential threats without damaging the healthy host cells. But while complement has been considered as a "master alarm" system poised for direct pathogen killing, DCs are regarded as "master regulators" or orchestrators of a vast range of effector immune cells for an effective immune response against threatening insults...
November 16, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/29155090/proteome-and-phosphoproteome-analysis-of-commensally-induced-dendritic-cell-maturation-states
#16
Ali Giray Korkmaz, Todor Popov, Loulou Peisl, Marius Cosmin Codrea, Sven Nahnsen, Alexander Steimle, Ana Velic, Boris Macek, Martin von Bergen, Joerg Bernhardt, Julia-Stefanie Frick
Dendritic cells (DCs) can shape the immune system towards an inflammatory or tolerant state depending on the bacterial antigens and the environment they encounter. In this study we provide a proteomic catalogue of differentially expressed proteins between distinct DC maturation states, brought about by bacteria that differ in their endotoxicity. To achieve this, we have performed proteomics and phosphoproteomics on murine DC cultures. Symbiont and pathobiont bacteria were used to direct dendritic cells into a semi-mature and fully-mature state, respectively...
November 15, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/29155084/anti-inflammatory-antinociceptive-and-antioxidant-properties-of-schinopsis-brasiliensis-bark
#17
Clisiane Carla de Souza Santos, Carolina Carvalho Guilhon, Daniela Sales Alviano Moreno, Celuta Sales Alviano, Charles Dos Santos Estevam, Arie Fitzgerald Brank, Patricia Dias Fernandes
ETHNOPHARMACOLOGICAL RELEVANCE: Schinopsis brasiliensis is a native plant from Brazil, popularly used in folk medicine to relieve pain and treat inflammation. This study evaluated the antinociceptive and anti-inflammatory activities and antioxidant properties of the hydroethanol extract (HEE) and ethyl acetate fraction (EAF) obtained from S. brasiliensis bark. MATERIALS AND METHODS: The HEE and EAF of S. brasiliensis bark (10, 30 and 100mg/kg, p.o.) were evaluated using models of analgaesia (formalin-induced licking and hot -plate models) or inflammation (licking response by formalin-induced and carrageenan-induced cell migration into the subcutaneous air pouch)...
November 15, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29155077/subchronic-oral-toxicity-study-of-korean-red-ginseng-extract-in-sprague-dawley-rats-with-a-4-week-recovery-period
#18
Sang-Jin Park, JeongHo Noh, Eun Ju Jeong, Yong-Soon Kim, Byung-Cheol Han, Seung-Ho Lee, Kyoung-Sik Moon
Ginseng is a major herbal remedy used in Asian countries for thousands of years and known to restore and enhance vital energy. Korean red ginseng, which is processed by steaming and drying fresh Panax ginseng, is most popular and contains unique ginsenosides, which have anticancer and anti-inflammatory properties. The present study was carried out to evaluate the repeated oral dose toxicity of Korean red ginseng extract. The test article was administered orally once a day to male and female Sprague-Dawley rats at dose levels of 0, 500, 1000, or 2000 mg/kg/day for 13 consecutive weeks (15 animals/sex/group in the vehicle control and 2000 mg/kg/day groups, and 10 animals/sex/group in the 500 and 1000 mg/kg/day groups)...
November 16, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29155036/effectiveness-of-app-based-self-acupressure-for-women-with-menstrual-pain-compared-to-usual-care-a-randomized-pragmatic-trial
#19
Susanne Blödt, Daniel Pach, Sanna von Eisenhart-Rothe, Fabian Lotz, Stephanie Roll, Katja Icke, Claudia M Witt
BACKGROUND: Primary dysmenorrhea is common among women of reproductive age. Non-steroidal anti-inflammatory drugs and oral contraceptives are effective treatments, although the failure rate is around 20-25%. Therefore additional evidence-based treatments are needed. In recent years, the use of smartphone applications (apps) has increased rapidly and may support individuals in self-management strategies. OBJECTIVE: We aimed to investigate the effectiveness of app-based self-acupressure in women with menstrual pain...
November 15, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29154988/role-of-p-mkk7-in-myricetin-induced-protection-against-intestinal-ischemia-reperfusion-injury
#20
Yuchao Sun, Mengqiao Lian, Yuan Lin, Bin Xu, Yanli Li, Jin Wen, Dapeng Chen, Ming Xu, Marwan Almoiliqy, Li Wang
Intestinal ischemia reperfusion (I/R) may cause inflammation-, oxidative stress-, and apoptosis-related tissue injuries and facilitate bacterial infection, leading to multiple organ failure. Myricetin, a flavonoid, is found to have diverse biological effects including anti-inflammatory, anti-oxidative, and anti-bacterial effects. Based on our pre-experiment, we proposed that myricetin pretreatment (25, 50mg/kg) could ameliorate intestinal I/R injury and myricetin-induced modulation on MKK7/JNK signal pathway might play a key role in the amelioration...
November 15, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
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