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https://www.readbyqxmd.com/read/29792864/delavatine-a-an-unusual-isoquinoline-alkaloid-exerts-anti-inflammation-on-lps-induced-proinflammatory-cytokines-production-by-suppressing-nf-%C3%AE%C2%BAb-activation-in-bv-2-microglia
#1
Qing Xie, Guo-Zhen Wu, Niao Yang, Yun-Heng Shen, Jian Tang, Wei-Dong Zhang
Delavatine A, an unusual isoquinoline alkaloid isolated from I. delavayi, was first studied for anti-inflammatory effect using lipopolysaccharide (LPS)-induced BV-2 microglia. In the present study, we found that delavatine A substantially suppressed the LPS-induced pro-inflammatory mediators, nitric oxide (NO), and tumor necrosis factor-a (TNF-a), interleukin-6 (IL-6), interleukin-1β (IL-1β) in BV-2 microglial cells. These effects resulted from the inhibition of their regulatory genes inducible NO synthase (iNOS), cycloxygenase-2 (COX-2) and TNF-a, IL-6, IL-1β...
May 21, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29784005/cd8-t-cells-mediate-the-antitumor-activity-of-frankincense-and-myrrh-in-hepatocellular-carcinoma
#2
Chun Xu, Xian Lu, Wei Liu, Anxian Chen, Gang Meng, Hailin Zhang, Binghua Li, Yonghui Zhang, Junhua Wu, Jiwu Wei
BACKGROUND: Tumor-promoting inflammation is an emerging hallmark of cancer, which participates in both cancer progression and immune escape. Hepatocellular carcinoma (HCC) is a typical inflammation-related cancer with an extremely poor prognosis. Frankincense and myrrh are anti-inflammation agents commonly used in clinic. The purpose of this study is to investigate whether extract of frankincense and myrrh (FM) downregulates inflammatory microenvironment of HCC and thereby restores antitumor immune responses...
May 21, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29783696/jatrorrhizine-hydrochloride-suppresses-proliferation-migration-and-secretion-of-synoviocytes-in-vitro-and-ameliorates-rat-models-of-rheumatoid-arthritis-in-vivo
#3
Haiwen Qiu, Shengnan Sun, Xuemei Ma, Congcong Cui, Gang Chen, Zhenzhou Liu, Hui Li, Mei Liu
Jatrorrhizine hydrochloride (JH), an active component isolated from the traditional Chinese herb Coptis chinensis , has been reported to have antimicrobial, antitumor, antihypercholesterolemic, and neuroprotective activities. However, its antirheumatoid arthritis (RA) property remains unknown. In this study, a collagen-induced arthritis (CIA) rat model was used to evaluate the therapeutic effects of JH on RA by using arthritis score, radiological evaluation, and histopathological assessment. The in vitro effects of JH on proliferation, migration, and production of inflammatory mediators in RA-derived fibroblast-like synoviocyte MH7A cells were determined by the EdU incorporation assay, wound healing assay, real-time PCR, and ELISA, respectively...
May 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29783150/electrophoretic-deposition-of-dexamethasone-loaded-gelatin-nanospheres-chitosan-coating-and-its-dual-function-in-anti-inflammation-and-osteogenesis
#4
Hongfei Qi, Qiang Chen, Hailong Ren, Xianglong Wu, Xianhu Liu, Tingli Lu
Surface modification of metallic implants with bioactive and biodegradable coatings could be a promising approach for bone regeneration. The objective of this study was to prepare chitosan/gelatin nanospheres (GNs) composite coating for the delivery of dexamethasone (DEX). GNs with narrow size distribution and negative surface charge were firstly prepared by a two-step desolvation method. Homogeneous and stable gelatin nanospheres/chitosan (GNs/CTS) composite coatings were formed by electrophoretic deposition (EPD)...
May 18, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29782854/combined-treatment-with-sorafenib-and-silibinin-synergistically-targets-both-hcc-cells-and-cancer-stem-cells-by-enhanced-inhibition-of-the-phosphorylation-of-stat3-erk-akt
#5
Jie Mao, Hongbao Yang, Tingting Cui, Pan Pan, Nadia Kabir, Duo Chen, Jinyan Ma, Xingyi Chen, Yijun Chen, Yong Yang
Silibinin, a nontoxic bioactive component in milk thistle, is used as a liver-protective drug in the clinic mainly because of its antioxidant and anti-inflammation activities. In this study, we studied the cytotoxic effects of silibinin combined with sorafenib on hepatocellular carcinoma (HCC). The results indicated that silibinin combined with sorafenib potently inhibited the proliferation of various HCC cells and induced significant apoptosis. In an HCC subcutaneous transplantation tumor model, the combination of silibinin and sorafenib significantly suppressed tumor growth compared with monotherapy...
May 18, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29781578/identification-of-an-anti-inflammation-protein-annexin-a1-in-tendon-derived-stem-cells-tdscs-of-cystic-fibrosis-mice-a-comparative-proteomic-analysis
#6
Yang Liu, Lu Feng, Hua Wang, Yu-Jia Wang, Hsiao-Chang Chan, Xiao-Hua Jiang, Wei-Ming Fu, Gang Li, Jin-Fang Zhang
PURPOSE: Our previous study reported an elevated inflammation during tendon injury in mice with cystic fibrosis (CF), indicating the inadequate management of inflammation due to dysfunction of the cystic fibrosis transmembrane conductance regulator (CFTR). The objective of this study is to identify the targets of CFTR that contribute to the abnormal inflammation during tendon injury. EXPERIMENTAL DESIGN: A two-dimensional gel electrophoresis and mass spectrometry-based comparative proteomics was performed to find the molecular targets of CFTR...
May 21, 2018: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/29776446/valproic-acid-attenuates-traumatic-spinal-cord-injury-induced-inflammation-via-stat1-and-nf-%C3%AE%C2%BAb-pathway-dependent-of-hdac3
#7
Shoubo Chen, Jingfang Ye, Xiangrong Chen, Jinnan Shi, Wenhua Wu, Wenping Lin, Weibin Lin, Yasong Li, Huangde Fu, Shun Li
BACKGROUND: Microglial polarization with M1/M2 phenotype shifts and the subsequent neuroinflammatory responses are vital contributing factors for spinal cord injury (SCI)-induced secondary injury. Nuclear factor-κB (NF-κB) is considered the central transcription factor of inflammatory mediators, which plays a crucial role in microglial activation. Lysine acetylation of STAT1 seems necessary for NF-kB pathway activity, as it is regulated by histone deacetylases (HDACs). There have been no studies that have explained if HDAC inhibition by valproic acid (VPA) affects the NF-κB pathway via acetylation of STAT1 dependent of HDAC activity in the microglia-mediated central inflammation following SCI...
May 18, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29775050/modulation-of-macrophage-phenotype-by-biodegradable-polyurethane-nanoparticles-the-possible-relation-between-macrophage-polarization-and-immune-response-of-nanoparticles
#8
Yen-Jang Huang, Kun-Che Hung, Huey-Shan Hung, Shan-Hui Hsu
Nanomaterials with surface functionalized by different chemical groups can either provoke or attenuate the immune responses of the nanomaterials, which is critical to their biomedical efficacies. In this study we demonstrate that synthetic waterborne polyurethane nanoparticles (PU NPs) can inhibit the macrophage polarization towards the M1 phenotype, but not M2 phenotype. The surface-functionalized PU NPs decrease the secretion levels of proinflammatory cytokines (TNF-α and IL-1β) for M1 macrophages. Specifically, PU NPs with carboxyl groups on the surface exhibit a greater extent of inhibition on M1 polarization than those with amine groups...
May 18, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29772541/myeloid-heme-oxygenase-1-a-new-therapeutic-target-in-anti-inflammation
#9
Mingyi Zhao, Minghua Yang, Weitao Que, Lin Zhong, Masayuki Fujino, Xiao-Kang Li
An increasing amount of evidence reveals that an orchestrated interplay between myeloid subpopulations in the hematopoietic system plays a significant role in supporting normal functions of the immune system and facilitating homeostatic restoration upon exogenous or endogenous insults. Heme oxygenase-1 (HO-1), a microsomal enzyme discovered decades ago, can metabolize pro-oxidant heme into biliverdin, free iron, and carbon monoxide. This enzymatic reaction produces biological materials, contributing to major immunomodulatory effects...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29772233/roseburia-intestinalis-derived-flagellin-is-a-negative-regulator-of-intestinal-inflammation
#10
Yongsheng Quan, Kerui Song, Yan Zhang, Changxin Zhu, Zhaohua Shen, Shuai Wu, Weiwei Luo, Bei Tan, Zhenyu Yang, Xiaoyan Wang
Our previous study showed that the Roseburia intestinalis (R. intestinalis), one of the dominant intestinal bacterial microbiota, was significantly decreased in Crohn's disease patients and protected colon epithelial cells from inflammatory damage. However, the roles of lncRNAs in R. intestinalis flagellin-mediated anti-inflammation remain unclear. In this study, we investigate global lncRNA expression profiles using microarray analysis of ulcerative colitis samples from DSS/Flagellin-challenged mice and identified a Flagellin-induced upregulated lncRNA (HIF1A-AS2)...
May 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29770194/clinical-utility-of-hyperbaric-oxygen-therapy-in-genitourinary-medicine
#11
REVIEW
Jason Gandhi, Omar Seyam, Noel L Smith, Gunjan Joshi, Sohrab Vatsia, Sardar Ali Khan
Hyperbaric oxygen therapy (HBOT) is a medical technique which delivers oxygen at ambient pressures to increase the amount of dissolved oxygen in the blood and oxygen distribution to tissues. There are several beneficial properties of HBOT concomitant with elevated oxygen distribution in tissue including anti-inflammation, angiogenesis through vascular endothelial growth factor proliferation, augmented fibroblast activity through fibroblast growth factor proliferation, tissue and wound repair, enhancement of lymphocyte and macrophage activity, increased male testosterone secretion, and bactericidal activity...
January 2018: Medical Gas Research
https://www.readbyqxmd.com/read/29766429/naringin-protects-against-cyclophosphamide-induced-hepatotoxicity-and-nephrotoxicity-through-modulation-of-oxidative-stress-inflammation-apoptosis-autophagy-and-dna-damage
#12
Cuneyt Caglayan, Yusuf Temel, Fatih Mehmet Kandemir, Serkan Yildirim, Sefa Kucukler
Cyclophosphamide (CP) is a common chemotherapeutic agent that is effective against a wide variety of tumors. The associated hepatotoxicity and nephrotoxicity, however, limit its therapeutic use. Naringin (NG) is a natural flavanone glycoside that has pharmacological and therapeutic activities, such as anti-inflammation, anti-apoptotic, and antioxidant properties. Therefore, the present study was undertaken to evaluate the protective effect of NG against CP-induced hepatotoxicity and nephrotoxicity in rats. Rats were pre-treated with NG (50 and 100 mg/kg b...
May 15, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29766025/isoliquiritigenin-inhibits-il-1%C3%AE-induced-production-of-matrix-metalloproteinase-in-articular-chondrocytes
#13
Lei Zhang, Shiyun Ma, Hang Su, Jiaxiang Cheng
Osteoarthritis (OA) is a major joint disease in which inflammatory cytokine interleukin-1β (IL-1β) and matrix metalloproteinases (MMPs) play a pivotal role. Isoliquiritigenin has been reported to have anti-inflammation activity. In this study, the effect of isoliquiritigenin on IL-1β-induced production of matrix metalloproteinase and nuclear factor κB (NF-κB) activation was analyzed. We treated primary cultured articular chondrocytes with isoliquiritigenin and the expressions of MMPs were analyzed on mRNA and protein level...
June 15, 2018: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/29765319/progression-and-regression-of-hepatic-lesions-in-a-mouse-model-of-nash-induced-by-dietary-intervention-and-its-implications-in-pharmacotherapy
#14
Zhi-Ming Ding, Yue Xiao, Xikun Wu, Haixia Zou, Shurong Yang, Yiyun Shen, Juehua Xu, Heather C Workman, Amy L Usborne, Haiqing Hua
Understanding of the temporal changes of hepatic lesions in the progression and regression of non-alcoholic steatohepatitis (NASH) is vital to elucidation of the pathogenesis of NASH, and critical to the development of a strategy for NASH pharmacotherapy. There are challenges in studying hepatic lesion progression and regression in NASH patients due to the slow development of NASH in humans, one being the requirement for multiple biopsies during the longitudinal follow-up. Here we studied lesion progression and regression in the diet-induced animal model of NASH by application or removal of the pathogenic diet for multiple time periods...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29764223/insight-into-carrageenases-major-review-of-sources-category-property-purification-method-structure-and-applications
#15
Benwei Zhu, Fang Ni, Yun Sun, Xianyu Zhu, Heng Yin, Zhong Yao, Yuguang Du
Carrageenan, a kind of linear sulfated polysaccharides consisting of D-galactose with alternating α-1,3 and β-1,4 linkages, has been widely applied in the food and cosmetic industries as thickening and gelling agents due to excellent properties, such as gel-forming ability and chemical stability. It can be degraded by carrageenases to produce a series of even-numbered carrageenan oligosaccharides, which exhibit various fascinating functions, such as anti-inflammation, anti-coagulation, anti-tumor, and anti-thrombosis effects...
May 15, 2018: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/29757247/enrichment-and-purification-of-total-ginkgo-flavonoid-o-glycosides-from-ginkgo-biloba-extract-with-macroporous-resin-and-evaluation-of-anti-inflammation-activities-in-vitro
#16
Lihu Zhang, Tingting Wu, Wei Xiao, Zhenzhong Wang, Gang Ding, Linguo Zhao
In the present study, the performance and separation characteristics of six macroporous resins for the enrichment and purification of total ginkgo flavonoid O -glycosides (TGFs) (quercetin (I), kaempferol (II), isorhamnetin (III)) from Ginkgo Biloba extracts (EGB) are evaluated. The adsorption and desorption properties of TGFs are studied on macroporous resins, including D101, D201, AB-8, HPD400, D301, and D311. Along with the results, AB-8 resin exhibits the best adsorption and desorption capacity for these three ginkgo flavonoid O -glycosides among the six resins...
May 13, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29754503/hesperidin-suppresses-renin-angiotensin-system-mediated-nox2-over-expression-and-sympathoexcitation-in-2k-1c-hypertensive-rats
#17
Chutamas Wunpathe, Prapassorn Potue, Putcharawipa Maneesai, Sarawoot Bunbupha, Parichat Prachaney, Upa Kukongviriyapan, Veerapol Kukongviriyapan, Poungrat Pakdeechote
Hesperidin, a flavonoid derived from citrus fruits, possesses several beneficial effects including anti-oxidation and anti-inflammation. The aim of this study was to investigate the effects of hesperidin on the renin-angiotensin system (RAS) cascade that mediated oxidative stress and sympathoexcitation in two-kidney, one-clipped (2K-1C) hypertensive rats. 2K-1C hypertension was induced in male Sprague-Dawley rats. Hypertensive rats were treated with hesperidin at 20[Formula: see text]mg/kg or 40[Formula: see text]mg/kg or losartan at 10[Formula: see text]mg/kg beginning at three weeks after surgery and then continued for four weeks ([Formula: see text]/group)...
May 13, 2018: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/29751031/scaav9-vegf-165-inhibits-neuroinflammatory-response-and-invasion-of-macrophages-into-the-peripheral-nervous-system-of-als-transgenic-mice
#18
Ying Wang, Yuanyuan Liu, Jingxu Zhai, Weisong Duan, Shuo Sun, Hongying Cui, Xuexiao Chen, Jianwen Ji, Yaling Liu
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disorder leading to paralysis and death within 3-5 years. Although the vast majority studies focus on the vulnerable neurons, growing evidences showed that the non-neuronal cells contribute to pathogenesis and disease progression. Here, we showed that intrathecal injection of scAAV9-VEGF at 60 days of age could prolong the lifespan of ALS mice. VEGF treatment significantly reduced the number of microglia and inhibited the neuroinflammatory response in CNS...
May 8, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29751028/role-of-c1-neurons-in-anti-inflammatory-reflex-mediation-between-afferents-and-efferents
#19
REVIEW
Chikara Abe, Tsuyoshi Inoue
Neuroimmune communication, the connection between the autonomic regulatory pathway and immune cells, has been implicated in the regulation of immune function and inflammation. The role of afferents (vagal afferent and somatic sensory nerves) and efferents (autonomic nervous and hypothalamic-pituitary-adrenal systems) in the inflammatory reflex has been well studied; however, the central pathway remains unknown. C1 neurons include both catecholaminergic and glutamatergic neurons, which are located in the rostral ventrolateral medulla...
May 8, 2018: Neuroscience Research
https://www.readbyqxmd.com/read/29750855/pharmacological-and-nutritional-effects-of-natural-coumarins-and-their-structure-activity-relationships
#20
REVIEW
Jing-Jing Zhu, Jian-Guo Jiang
Coumarins are fused benzene and pyrone ring systems with a wide spectrum of bioactivities including anti-tumor, anti-inflammation, antiviral and antibacterial effects. In this paper, the current development of coumarins-based drugs is introduced, and their structure-activity relationship is discussed by reviewing the relevant literatures published in the past twenty years. Coumarin molecules can be customized by the target site to prevent systemic side effects by virtue of structural modification. The ortho-phenolic hydroxyl on the benzene ring had remarkable antioxidant and anti-tumor activities...
May 11, 2018: Molecular Nutrition & Food Research
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