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https://www.readbyqxmd.com/read/28922577/functional-n-formyl-peptide-receptor-2-fpr2-antagonists-based-on-ureidopropanamide-scaffold-have-potential-to-protect-against-inflammation-associated-oxidative-stress
#1
Madia Letizia Stama, Enza Lacivita, Liliya N Kirpotina, Mauro Niso, Roberto Perrone, Igor A Schepetkin, Mark T Quinn, Marcello Leopoldo
Formyl peptide receptor-2 (FPR2) is a G protein-coupled receptor belonging to the N-formyl peptide receptor (FPR) family that plays critical roles in peripheral and brain inflammatory responses. FPR2 has been proposed as a target for the development of drugs that could facilitate the resolution of chronic inflammatory reactions by enhancing endogenous anti-inflammation systems. Starting from the structure of the FPR2 agonists (R)- and (S)-4 and 2, we designed a new series of ureidopropanamide derivatives with the goal of converting functional activity from agonism to antagonism and to develop new FPR2 antagonists...
September 18, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28919754/preparation-of-coffee-oil-algae-oil-based-nanoemulsions-and-the-study-of-their-inhibition-effect-on-uva-induced-skin-damage-in-mice-and-melanoma-cell-growth
#2
Chu-Ching Yang, Chi-Feng Hung, Bing-Huei Chen
Coffee grounds, a waste by-product generated after making coffee, contains approximately 15% coffee oil which can be used as a raw material in cosmetics. Algae oil rich in docosahexaenoic acid (DHA) has been demonstrated to possess anticancer and anti-inflammation functions. The objectives of this study were to develop a gas chromatography-mass spectrometry (GC-MS) method for the determination of fatty acids in coffee oil and algae oil and prepare a nanoemulsion for studying its inhibition effect on ultraviolet A-induced skin damage in mice and growth of melanoma cells B16-F10...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28917976/low-molecular-weight-fucoidan-ameliorates-hindlimb-ischemic-injury-in-type-2-diabetic-rats
#3
Zhiqiang Wang, Tiantian Liu, Xiaoping Chen, Hongjie You, Quanbin Zhang, Jingyi Xue, Yuanyuan Zheng, Dali Luo
ETHNOPHARMACOLOGICAL RELEVANCE: Low molecular weight fucoidan (LMWF), extracted from Laminaria japonica Areschoug, is a traditional Chinese medicine, commonly used to alleviate edema, particularly for feet with numbness and pain. AIM OF THE STUDY: Diabetic mellitus (DM) patients are at high risk of developing peripheral arterial disease (PAD). Individuals with DM and PAD co-morbidity have a much higher risk of critical limb ischemia. LMWF showed several beneficial effects, such as anti-inflammation, anti-thrombosis, and enhancing revascularization...
September 13, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28916869/protodioscin-ameliorates-oxidative-stress-inflammation-and-histology-outcome-in-complete-freund-s-adjuvant-induced-arthritis-rats
#4
Jia-Yu Liu, Ya-Ling Hou, Rong Cao, Hong Xia Qiu, Guo-Hua Cheng, Ran Tu, Li Wang, Jun-Li Zhang, Dan Liu
Protective effect of protodioscin or methyl protodioscin against inflammation had been reported in various inflammation diseases. This study aimed to investigate the effect of protodioscin against Complete Freund's adjuvant (CFA)-induced arthritis rats. Rats randomly divided into model groups were injected with CFA, companied with different dose of protodioscin (50, 100, and 200 mg/kg body weight). The histology, changes in biochemical parameters and inflammatory cytokines expression were detected for anti-inflammation effect evaluation of protodioscin...
September 15, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28915534/revealing-anti-inflammation-mechanism-of-water-extract-and-oil-of-forsythiae-fructus-on-carrageenan-induced-edema-rats-by-serum-metabolomics
#5
An Yuan, Lihong Gong, Lin Luo, Jue Dang, Xiaohong Gong, Mengjie Zhao, Yan Li, Yunxia Li, Cheng Peng
Forsythiae Fructus is an important Chinese medicine which shows a significant effect against inflammation. This study aimed to investigate the preventive anti-inflammation mechanism of Forsythiae Fructus by serum metabolomics strategy and compare the difference of the metabolism pathways between Forsythia extract and Forsythia oil in rat. Four groups (control group, model group, Forsythia extract group and Forsythia oil group) were orally administered 10mL/kg 0.5% Tween 80 solution, 10mL/kg 0.5% Tween 80 solution, 5g/kg Forsythia extract and 0...
September 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28911531/biological-actions-and-molecular-effects-of-resveratrol-pterostilbene-and-3-hydroxypterostilbene
#6
REVIEW
Hui-Yun Tsai, Chi-Tang Ho, Yu-Kuo Chen
Stilbenes are a class of polyphenolic compounds, naturally found in a wide variety of dietary sources such as grapes, berries, peanuts, red wine, and some medicinal plants. There are several well-known stilbenes including trans-resveratrol, pterostilbene, and 3'-hydroxypterostilbene. The core chemical structure of stilbene compounds is 1,2-diphenylethylene. Recently, stilbenes have attracted extensive attention and interest due to their wide range of health-beneficial effects such as anti-inflammation, -carcinogenic, -diabetes, and -dyslipidemia activities...
January 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28906110/anti-in%C3%AF-ammatory-effect-of-essential-oil-from-citrus-aurantium-l-var-amara-engl
#7
Chun-Yan Shen, Jian-Guo Jiang, Qin Ou-Yang, Wei Zhu
Essential oil has been popularly used as an alternative for the treatment of inflammation. The bioactivities of essential oil from blossoms of Citrus aurantium L. var. amara Engl (CAVAO) showed greater anti-inflammation potential than that of antioxidant, anticancer, and 3T3-L1 proliferation inhibition. CAVAO (250 μg/mL) significantly inhibited production of nitric oxide (NO) (99.54%±2.81), interleukin-6 (IL-6) (98.11%±1.62), tumor necrosis factor-alpha (TNF-α) (41.84%±1.52) and interleukin-1beta (IL-1β) (56...
September 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28902342/osthole-induces-apoptosis-and-suppresses-proliferation-via-the-pi3k-akt-pathway-in-intrahepatic-cholangiocarcinoma
#8
Xingyang Zhu, Xiaoling Song, Kun Xie, Xue Zhang, Wei He, Fubao Liu
Osthole is a natural coumarin isolated from Umbelliferae plant monomers. Previous research has indicated that osthole exerts a wide variety of biological effects, acting as anti-seizure, anti-osteoporosis and anti-inflammation. However, the regulatory effect and related molecular mechanism of osthole in intrahepatic cholangiocarcinoma (ICC) remain unknown. In the present study, the authors found that osthole inhibited ICC cell lines in a dose- and time-dependent manner. Osthole also significantly induced mitochondrial-dependent apoptosis by upregulating Bax, cleaved caspase-3, cleaved caspase-9, and cleaved poly ADP-ribose polymerase expression, and by downregulating Bcl-2 expression...
August 30, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28901742/surface-modification-of-polydimethylsiloxane-with-polydopamine-and-hyaluronic-acid-to-enhance-hemocompatibility-for-potential-applications-in-medical-implants-or-devices
#9
Peng Xue, Qian Li, Yuan Li, Lihong Sun, Lei Zhang, Zhigang Xu, Yuejun Kang
Polydimethylsiloxane (PDMS) has been widely utilized in microelectromechanical systems (MEMS) and implantable devices. To improve the hemocompatibility of PDMS-based implant, a facile technique was developed by modifying PDMS with a hyaluronic acid (HA) and polydopamine (PDA) composite (HA/PDA). Under appropriate ratio of HA to PDA, platelet adhesion and activation was considerably reduced on modified PDMS substrates, indicating an enhanced hemocompatibility compared to native PDMS or those coated with HA or PDA solely...
September 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28901400/taurine-alleviates-lipopolysaccharide%C3%A2-induced-liver-injury-by-anti%C3%A2-inflammation-and-antioxidants-in-rats
#10
Yueyan Liu, Feng Li, Li Zhang, Jianfeng Wu, Yanmei Wang, Hong Yu
The aim of the present study was to investigate the protective effect of taurine on lipopolysaccharide (LPS)‑induced liver injury and its mechanisms. Male rats were randomly divided into three groups: Normal saline, LPS model and taurine treatment. Experimental animals were treated with saline or taurine (dissolved in saline, 200 mg/kg/day) via intravenous injection. After 2 h, saline or LPS (0.5 mg/kg) was administrated via intraperitoneal injection. Markers of liver injury, pro‑inflammatory cytokines and superoxide dismutase (SOD) activity were determined in plasma...
August 31, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28900541/simultaneous-silencing-of-acsl4-and-induction-of-gadd45b-in-hepatocellular-carcinoma-cells-amplifies-the-synergistic-therapeutic-effect-of-aspirin-and-sorafenib
#11
Hongping Xia, Kee Wah Lee, Jianxiang Chen, Shik Nie Kong, Karthik Sekar, Amudha Deivasigamani, Veerabrahma Pratap Seshachalam, Brian Kim Poh Goh, London Lucien Ooi, Kam M Hui
Sorafenib is currently the only US Food and Drug Administration (FDA)-approved molecular inhibitor for the systemic therapy of advanced hepatocellular carcinoma (HCC). Aspirin has been studied extensively as an anti-inflammation, cancer preventive and therapeutic agent. However, the potential synergistic therapeutic effects of sorafenib and aspirin on advanced HCC treatment have not been well studied. Drug combination studies and their synergy quantification were performed using the combination index method of Chou-Talalay...
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/28900384/cancer-chemoprevention-by-oleaster-elaeagnus-angustifoli-l-fruit-extract-in-a-model-of-hepatocellular-carcinoma-induced-by-diethylnitrosamine-in-rats
#12
Zahra Amereh, Nasrin Hatami, Farshad H Shirazi, Saman Gholami, Seyed Hojjat Hosseini, Maryam Noubarani, Mohammad Kamalinejad, Sina Andalib, Fariborz Keyhanfar, Mohammad Reza Eskandari
Hepatocellular carcinoma (HCC) is a frequent and fatal human cancer with poor diagnosis that accounts for over half a million deaths each year worldwide. Elaeagnus angustifolia L. known as oleaster has a wide range of pharmacological activities. This study aimed to investigate the chemopreventive effect of aqueous extract of E. angustifolia fruit (AEA) against diethylnitrosamine (DEN)-induced HCC in rats. HCC was induced in rats by a single injection of DEN (200 mg/kg) as an initiator. After two weeks, rats were orally administered 2-acetylaminofluorene or 2-AAF (30 mg/kg) as a promoter for two weeks...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28899779/eupatilin-with-ppar%C3%AE-agonistic-effects-inhibits-tnf%C3%AE-induced-mmp-signaling-in-hacat-cells
#13
Yujung Jung, Jin-Chul Kim, Yongsoo Choi, Sullim Lee, Ki Sung Kang, Yong Kee Kim, Su-Nam Kim
Eupatilin (5,7-dihydroxy-3,4,6-trimethoxyflavone) is a flavonoid compound exhibiting several beneficial biological activities, including neuroprotection, anti-cancer, antinociception, chondroprotection, anti-oxidation, and anti-inflammation. Our previous study demonstrated that eupatilin specifically activates peroxisome proliferator-activated receptor alpha (PPARα) through direct binding. The PPAR subfamily includes ligand-dependent transcription factors that consist of three isotypes: PPARα, PPARβ/δ, and PPARγ...
September 9, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28890695/acute-hypoxia-induced-an-imbalanced-m1-m2-activation-of-microglia-through-nf-%C3%AE%C2%BAb-signaling-in-alzheimer-s-disease-mice-and-wild-type-littermates
#14
Feng Zhang, Rujia Zhong, Song Li, Zhenfa Fu, Cheng Cheng, Huaibin Cai, Weidong Le
Alzheimer's disease (AD) is the most common neurodegenerative disease mainly caused by abnormal tau phosphorylation, amyloid β (Aβ) deposition and neuroinflammation. As an important environmental factor, hypoxia has been reported to aggravate AD via exacerbating Aβ and tau pathologies. However, the link between hypoxia and neuroinflammation, especially the changes of pro-inflammatory M1 or anti-inflammation M2 microglia phenotypes in AD, is still far from being clearly investigated. Here, we evaluated the activation of microglia in the brains of APP(swe)/PS1(dE9) transgenic (Tg) mice and their wild type (Wt) littermates, after a single episode of acute hypoxia (24 h) exposure...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28890259/silk-fibroin-chondroitin-sulfate-scaffold-with-immuno-inhibition-property-for-articular-cartilage-repair
#15
Feifei Zhou, Xianzhu Zhang, Dandan Cai, Jun Li, Qin Mu, Wei Zhang, Shouan Zhu, Yangzi Jiang, Weiliang Shen, Shufang Zhang, Hong Wei Ouyang
The demand of favorable scaffolds has increased for the emerging cartilage tissue engineering. Chondroitin sulfate (CS) and silk fibroin have been investigated and reported with safety and excellent biocompatibility as tissue engineering scaffolds. However, the rapid degradation rate of pure CS scaffolds presents a challenge to effectively recreate neo-tissue similar to natural articular cartilage. Meanwhile the silk fibroin is well used as a structural constituent material because its remarkable mechanical properties, long-lasting in vivo stability and hypoimmunity...
September 7, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28883881/zinc-and-copper-metabolism-and-risk-of-autism-a-reply-to-sayehmiri-et-al
#16
Keith Fluegge Ba
OBJECTIVE: Sayehmiri et al. recently conducted a meta-analysis to explore the relationship between zinc and copper metabolism and autism spectrum disorders (ASD). Recent reports have elucidated a full behavioral profile of mice exposed to prenatal zinc deficiency and documented a phenotype similar to that found in autism spectrum disorders (ASD). These studies suggest that significant alterations in Zn metabolism may be an important nutritional component in the development of ASD. MATERIALS & METHODS: The idea that prenatal zinc deficiency may be to blame is cursorily challenged...
2017: Iranian Journal of Child Neurology
https://www.readbyqxmd.com/read/28876179/the-inhibitory-effects-of-dracocephalum-moldavica-l-dml-on-rat-cerebral-ischemia-reperfusion-injury
#17
Jian-Xin Jia, Yu Zhang, Zhan-Li Wang, Xu-Sheng Yan, Min Jin, Dong-Sheng Huo, He Wang, Zhan-Jun Yang
Ischemia reperfusion injury (IRI) is closely associated with oxidative stress and inflammatory responses. Dracocephalum moldavica L. (DML), a Chinese herbal medicine is known to exert protective effects on myocardial ischemia reperfusion injury in rats by inhibiting oxidation damage and inflammatory reactions. However, the effectiveness of DML in cerebral ischemia reperfusion injury (CIRI) as a protective substance and the underlying mechanisms remain to be determined. The aim of this study was thus to examine the influence of DML on CIRI using a rat model induced by 2-h transient middle cerebral artery occlusion (MCAO) produced by intraluminal suture blockade followed by 22 h reperfusion...
September 6, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28872092/-vitamin-d-vitamin-d-receptor-autophagy-and-inflammation-relevant-diseases
#18
Aimei Li, Wei Zhang, Hao Zhang, Bin Yi
The biological effects mediated by vitamin D and vitamin D receptor (VDR) are involved in the regulation of multiple pathophysiologic processes, including calcium phosphorus metabolism, immune regulation, anti-inflammation, anti-infection and cancer prevention, etc. Autophagy is a eukaryotic cell lysosome-mediated catabolic pathway, which is classified into 3 different types: macroautophagy, microautophagy, and chaperone-mediated autophagy. Since autophagy is vital to maintain energy and metabolism in cells, autophagy dysfunction is closely associated with various pathological processes such as inflammation, infection and tumor...
August 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28870006/down-regulation-of-hepatic-de-novo-lipogenesis-and-adipogenesis-in-adipocytes-by-pinus-densiflora-bark-extract
#19
Hyemyoung Ahn, Jeongho Jeong, Knowledge Mudhibadi Moyo, Yungsun Ryu, Bokkee Min, Seong Ho Yun, Hwa Yeon Kim, Wooki Kim, Gwang Woong Go
Korean red pine (Pinus densiflora) bark extract, PineXol (PX), was investigated on its potential anti-oxidant and anti-inflammation effects in vitro. It was hypothesized that PX treatment (25-150 µg/mL) would reduce the lipid synthesis in HepG2 hepatocytes as well as lipid accumulation in 3T3-L1 adipocytes. Hepatocytes' intracellular triglycerides and cholesterol were decreased in the PX 150 µg/mL treatment group compared to the control (p<0.05). Consequently, de novo lipogenic proteins; acetyl-CoA carboxylase 1, stearoyl-CoA desaturase 1, elongase of very long chain fatty acids 6, glycerol-3-phosphate acyltransferase 1, and sterol regulatory element-binding protein 1, were significantly decreased in hepatocytes by PX 150 µg/mL treatment compared to the control (p<0...
September 5, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28868036/baicalin-alleviates-lipopolysaccharide-induced-liver-inflammation-in-chicken-by-suppressing-tlr4-mediated-nf-%C3%AE%C2%BAb-pathway
#20
Ping Cheng, Tong Wang, Wei Li, Ishfaq Muhammad, He Wang, Xiaoqi Sun, Yuqi Yang, Jiarui Li, Tianshi Xiao, Xiuying Zhang
As a kind of potent stimulus, lipopolysaccharide (LPS) has the ability to cause cell damage by activating toll-like receptor(TLR)4, then nuclear factor kappa B (NF-κB) translocates into the nucleus and changes the expression of related inflammatory genes. Baicalin is extracted from Radix Scutellariae, which possesses anti-inflammation, antioxidant and antibacterial properties. However, the effects of it on LPS-induced liver inflammation have not been fully elucidated. This study aims to investigate the anti-inflammatory effects of Baicalin on the LPS-induced liver inflammation and its underlying molecular mechanisms in chicken...
2017: Frontiers in Pharmacology
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