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Megumi Funakoshi-Tago, Kentaro Ohsawa, Toshiyuki Ishikawa, Fumika Nakamura, Fumihito Ueda, Yuji Narukawa, Fumiyuki Kiuchi, Hiroomi Tamura, Kenji Tago, Tadashi Kasahara
Flavonoids, particularly those derived from plants, harbor biological effects such as anti-inflammation and the inhibition of cancer progression. In the present study, we investigated the effects of 10 kinds of flavonoids isolated from Nepalese propolis on the LPS signaling pathway in order to clarify their anti-inflammatory activities. Five types of flavonoids: isoliquiritigenin, chrysin, 3',4'-dihydroxy-4-methoxydalbergione, 4-methoxydalbergion, and cearoin, markedly inhibited inflammatory responses including LPS-induced NO production by suppressing the expression of iNOS mRNA and LPS-induced mRNA expression of TNFα and CCL2...
October 19, 2016: International Immunopharmacology
Yi-Kun Chen, Ying-Kun Xu, Hao Zhang, Jiang-Tao Yin, Xin Fan, Da-Dong Liu, Hai-Yan Fu, Bing Wan
Emodin is an anthraquinone derived from Chinese herb that exerts anti-inflammation effects. This study aimed to investigate whether emodin provides the protection for jejunum injury by inhibiting inflammation. We established a model of sepsis caused by cecal ligation and puncture. Forty-eight male Wistar rats were divided into four groups (n=12). Jejunum injury was assessed by pathological examination. The activity of pJAK1/pSTAT3 and protein levels of Bcl-2 and Bax were detected by Western blot analysis. Inflammatory factors IL-6, TNF-α and procalcitonin were detected by ELISA...
October 18, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Amalia Pérez-Jiménez, Eva E Rufino-Palomares, Nieves Fernández-Gallego, M Carmen Ortuño-Costela, Fernando J Reyes-Zurita, Juan Peragón, Leticia García-Salguero, Khalida Mokhtari, Pedro P Medina, José A Lupiáñez
BACKGROUND: Metabolic syndrome is a set of pathologies among which stand out the obesity, which is related to the lipid droplet accumulation and changes to cellular morphology regulated by several molecules and transcription factors. Maslinic acid (MA) is a natural product with demonstrated pharmacological functions including anti-inflammation, anti-tumor and anti-oxidation, among others. PURPOSE: Here we report the effects of MA on the adipogenesis process in 3T3-L1 cells...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Hao Huang, Linfu Li, Weimei Shi, Hai Liu, Jianqiong Yang, Xiaoliang Yuan, Longhuo Wu
Nobiletin (NOB) chemically known as 5,6,7,8,3',4'-hexamethoxyflavone is a dietary polymethoxylated flavonoid found in Citrus fruits. Recent evidences show that NOB is a multifunctional pharmaceutical agent. The various pharmacological activities of NOB include neuroprotection, cardiovascular protection, antimetabolic disorder, anticancer, anti-inflammation, and antioxidation. These events may be underpinned by modulation of signaling cascades, including PKA/ERK/MEK/CREB, NF-κB, MAPK, Ca(2+)/CaMKII, PI3K/Akt1/2, HIF-1α, and TGFβ signaling pathways...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
Thomas Unger
The renin-angiotensin system (RAS) plays an important role in the initiation and progression of tissue injuries in the cardiovascular and nervous systems. The detrimental actions of the AT1 receptor (AT1R) in hypertension and vascular injury, myocardial infarction and brain ischemia are well established. In the past twenty-five years, protective actions of the RAS, not only in the cardiovascular- but also in the nervous system, have been demonstrated. The so-called protective arm of the RAS includes AT2- and Mas receptors (AT2R and MasR) and is characterized by effects different from and often opposing those of the AT1R...
September 2016: Journal of Hypertension
Lingran Kong, Chengchao Ruan, Pingjin Gao
OBJECTIVE: Inflammatory processes plays a pivotal role in pathogenesis of hypertension. Previous study have indicated that A2A receptor is closely related with immunogenic anti-inflammation process. The present study aimed to elucidate whether the activation of A2A receptor is involved in the regulation of hypertension-induced cardiovascular consequence via regulating immunoresponse. DESIGN AND METHOD: Deoxycorticosterone acetat (DOCA)-salt hypertensive mice were injected intraperitoneally with specific A2A receptor agonist (CGS21680) or antagonist (istradefylline) or PBS respectively...
September 2016: Journal of Hypertension
Nizamuddin Ubaidillah, Djanggan Sargowo, Adriawan Widya, Vitryaturrida Jakfar, Kartika Siwi Proboretno, Mirza Failasufi, Yoga Warahugraha, Fadli Ramadhan, Hesti Wulandari, Dinarsari Hayuning Putri
OBJECTIVE: This study was aimed to evaluate the effects of polysaccharide peptides (PsP) of Ganoderma lucidum as anti inflammation, anti oxidant, anti diabetic and anti lipid in stable angina pectoris patients. DESIGN AND METHOD: This is a quasi clinical trial experimental study on 34 Stable Angina patients in Saiful Anwar General Hospital was determined based on ESC Stable CAD guidelines, with pre-test and post-test design without control. Parameter measured were TNF alfa, IL-6, MDA, SOD, HbA1c, Fasting glucose and Total cholesterol...
September 2016: Journal of Hypertension
Masatsugu Horiuchi
Hypertensive patients have greater chances of such cardiovascular events as stroke, coronary heart disease, heart or renal failure, peripheral artery disease, and dementia. It is also well recognized that diabetes increases the cardiovascular risks in concert with hypertension. Therefore, main goals for an innovation of anti-hypertensive therapy would be to achieve further risk reduction by targeting the functional, metabolic, and structural alterations associated with hypertension. Professors Dzau and Braunwald et al proposed the concept of "the cardiovascular disease continuum" in 1991, and that hypertension may trigger the chain of events, leading to end-stage heart disease; however, this concept was quite new at that time, and there was some discussion whether "the cardiovascular disease continuum" is true or not...
September 2016: Journal of Hypertension
Yiye Shao, Yonghao Feng, Yangmei Xie, Qiong Luo, Long Chen, Bing Li, Yinghui Chen
Inflammation plays a pivotal role in status epilepticus (SE). Thymoquinone (TQ) is a bioactive monomer extracted from black seed (Nigella sativa) oil, which has anti-inflammatory properties in the context of various diseases. This study explored the protective effects of TQ in SE and used a lithium-pilocarpine model of SE to investigate the underlying mechanism, which was related to inflammation mediated by the NF-κB signaling pathway. In the present study, latency to SE increased in the TQ-pretreated group compared with the SE group, and the incidence of SE was significantly reduced...
October 18, 2016: Neurochemical Research
X M Chen, F Q Li, S Yan, X C Wu, C L Tang
OBJECTIVE: To investigate the anti-inflammation effects by activation of the cholinergic anti-inflammatory pathway and its mechanisms in non-alcoholic steatohepatitis (NASH) model mice. METHODS: 6-week-old male C57BL/6J (B6) mice were randomly divided into four groups: the first group was normal mice, injected with saline; the second group was normal mice, injected with nicotine; the third group was NASH model mice, injected with saline; the fourth group was NASH model mice, injected with nicotine...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Feng Xu, Taoqun Wen, Feng Wang, Wentao Sang, Nan Zeng
CONTEXT: Several pharmacological studies have shown that cinnamicaldehyde (CA) has anti-inflammatory and anti-tumor effects, but no data show the effects of CA on the endotoxin poisoning. OBJECTIVE: In this work, the protective effect of CA in LPS-induced endotoxin poisoning mice was investigated. MATERIALS AND METHODS: Mice were randomly divided into normal, LPS, LPS +5 mg/kg dexamethasone (DEX), LPS +0.132 g/kg CA, and LPS +0.264 g/kg CA group...
October 18, 2016: Immunopharmacology and Immunotoxicology
Bo Sun, Xubin Wang, Ruili Cao, Qi Zhang, Qiao Liu, Meifeng Xu, Ming Zhang, Xiangbo Du, Fangting Dong, Xianzhong Yan
ETHNOPHARMACOLOGICAL RELEVANCE: Fuzi, the processed lateral root of Aconitum carmichaelii Debeaux, is a traditional Chinese medicine used for its analgesic, antipyretic, anti-rheumatoid arthritis and anti-inflammation effects; however, it is also well known for its toxicity. Gancao, the root of Glycyrrhiza uralensis Fisch., is often used concurrently with Fuzi to alleviate its toxicity. However, the mechanism of detoxication is still not well clear. AIM OF THE STUDY: In this study, the effect of Gancao on the metabolic changes induced by Fuzi was investigated by NMR-based metabonomic approaches...
October 13, 2016: Journal of Ethnopharmacology
Jennifer Gamboa Jackman, Hemraj Juwarker, Luke P Poveromo, Howard Levinson, Kam W Leong, Bruce A Sullenger
Dying cells release nucleic acids (NA) and NA-containing complexes that activate inflammatory pathways of immune cells. Sustained activation of these pathways contributes to chronic inflammation frequently encountered in autoimmune and inflammatory diseases. In this study, grafting of cationic polymers onto a nanofibrous mesh enabled local scavenging of negatively charged pro-inflammatory molecules in the extracellular space. Nucleic acid scavenging nanofibers (NASFs) formed from poly(styrene-alt-maleic anhydride) conjugated with 1...
October 14, 2016: Biomacromolecules
Samantha J Paluck, Thi H Nguyen, Heather D Maynard
Heparin is a naturally occurring, highly sulfated polysaccharide that plays a critical role in a range of different biological processes. Therapeutically, it is mostly commonly used as an injectable solution as an anticoagulant for a variety of indications, although it has also been employed in other forms such as coatings on various biomedical devices. Due to the diverse functions of this polysaccharide in the body, including anticoagulation, tissue regeneration, anti-inflammation, and protein stabilization, and drawbacks of its use, analogous heparin-mimicking materials are also widely studied for therapeutic applications...
October 14, 2016: Biomacromolecules
Tarique Hussain, Bie Tan, Yulong Yin, Francois Blachier, Myrlene C B Tossou, Najma Rahu
Oxidative stress is viewed as an imbalance between the production of reactive oxygen species (ROS) and their elimination by protective mechanisms, which can lead to chronic inflammation. Oxidative stress can activate a variety of transcription factors, which lead to the differential expression of some genes involved in inflammatory pathways. The inflammation triggered by oxidative stress is the cause of many chronic diseases. Polyphenols have been proposed to be useful as adjuvant therapy for their potential anti-inflammatory effect, associated with antioxidant activity, and inhibition of enzymes involved in the production of eicosanoids...
2016: Oxidative Medicine and Cellular Longevity
Yu-Hui Yan, Shao-Heng Li, Hong-Yan Li, Ying Lin, Jing-Xian Yang
In recent years, neural stem cell (NSC) transplantation has been widely explored as a treatment for neurodegenerative diseases. NSCs are special cells that have some capacity for self-renewal and the potential to differentiate into multiple cell types. However, the inflammatory environment of diseased tissue is not conducive to the survival of transplanted cells. Osthole (Ost) is a principal bioactive component of Fructus Cnidii, Radix Angelicae Pubescentis and other traditional Chinese medicines. Ost has a wide range of pharmacological activities, such as anti-inflammation, immunomodulation, and neuroprotection...
October 12, 2016: Neurochemical Research
Peng Wang, Jiang Wu, Pingru Su, Cong Xu, Yushu Ge, Dan Liu, Weisheng Liu, Yu Tang
Copper ions are known to be very important for homeostasis, which is critical for the metabolism and development of living organisms. In addition, sulfide ions, as an important endogenously produced gasotransmitter, have been proved to be implicated in a variety of physiological functions such as anti-apoptosis, vasodilation, antioxidation, and anti-inflammation. Herein, we report the development of a novel fluorescence chemosensor (L) based on a tetra-peptide conjugated with dansyl groups as a promising analytical tool for detecting Cu(2+) and S(2-) in 100% aqueous solutions, which exhibits excellent cell biotoxicity and intracellular biosensing ability...
October 18, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
Andreas Ritter, Alexandra Friemel, Nina-Naomi Kreis, Frank Louwen, Juping Yuan
Polo-like kinase 1 (Plk1) has been established as one of the most promising targets for molecular anticancer intervention. In fact, various Plk1 inhibitors have been identified and characterized. While the data derived from the bench are prospective, the clinical outcomes are less encouraging by showing modest efficacy. One of the explanations for this discrepancy could be unintendedly targeting of non-malignant cells by Plk1 inhibitors. In this work, we have addressed the effect of Plk1 inhibition in adipose tissue-derived mesenchymal stem cells (ASCs)...
October 5, 2016: Oncotarget
Hongye Hao, Jingyu Shao, Ya Deng, Shan He, Feng Luo, Yingke Wu, Jiehua Li, Hong Tan, Jianshu Li, Qiang Fu
Biomaterials for soft tissue engineering scaffolds require a combination of multiple properties including suitable mechanical properties, biodegradability, and biocompatibility. In this work, a series of light-crosslinking waterborne polyurethanes (LWPUs) were prepared using l-lysine ethyl ester diisocyanate (LDI), 1,3-propanediol (PDO) and l-lysine as hard segments and poly(ε-caprolactone) (PCL) and poly(ethylene glycol) (PEG) as soft segments. The obtained LWPUs exhibited appropriate stretchability with a break elongation of 1400-2500% and an excellent strength of 12-18 MPa, which could admirably meet the requirements for soft tissue engineering scaffolds...
October 18, 2016: Biomaterials Science
Gilbert Kirsch, Ahmed Bakr Abdelwahab, Patrick Chaimbault
In this review, we will present the different aspects of coumarins and derivatives, from natural origins or synthetically prepared, and their action on inflammation. Coumarins and also furo- and pyranocoumarins are found in many different plants. These compounds are very often investigated for antioxidant properties. Other biological properties are also possible and anti-inflammation activity is one of these. As coumarins are also available quite easily via synthesis, natural ones can be prepared this way but derivatives with special substituents are also feasible...
October 2, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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