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https://www.readbyqxmd.com/read/29212498/salvianolic-acid-b-protects-against-lipopolysaccharide-induced-behavioral-deficits-and-neuroinflammatory-response-involvement-of-autophagy-and-nlrp3-inflammasome
#1
Pei Jiang, Yujin Guo, Ruili Dang, Mengqi Yang, Dehua Liao, Huande Li, Zhen Sun, Qingyan Feng, Pengfei Xu
BACKGROUND: The NLRP3 inflammasome activation and neuroinflammation are known to be involved in the pathology of depression, whereas autophagy has multiple effects on immunity, which is partly mediated by the regulation of inflammasome and clearance of proinflammatory cytokines. Given the emerging evidence that autophagy dysfunction plays an essential role in depression, it is very likely that autophagy may interact with the inflammatory process in the development and treatment of depression...
December 6, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29108993/salvianolic-acid-b-inhibits-myofibroblast-transdifferentiation-in-experimental-pulmonary-fibrosis-via-the-up-regulation-of-nrf2
#2
Miao Liu, Hanying Xu, Ling Zhang, Cai Zhang, Liancheng Yang, Enlong Ma, Lianqing Liu, Yanchun Li
Salvianolic acid B (SalB) is one of the most bioactive components extracted from Salvia miltiorrhiza, and its antioxidant capacity corresponds with its protective effects against cell injury from oxidative stress. The aim of the present study was to evaluate the effect of SalB on experimental pulmonary fibrosis and its ability to ameliorate the oxidative/antioxidative imbalance during fibrosis pathogenesis. The anti-fibrotic activity of SalB was first confirmed in Transforming growth factor β1(TGF-β1)-stimulated MRC-5 cells...
November 4, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28992623/salvianolic-acid-b-ameliorates-cognitive-deficits-through-igf-1-akt-pathway-in-rats-with-vascular-dementia
#3
Xiaowei Ma, Weiwei Xu, Zhongxia Zhang, Na Liu, Jie Yang, Mingwei Wang, Yanyong Wang
BackgroundAims: Salvianolic acid B (SalB) is a natural polyphenolic compound enriched in Salvia miltiorrhiza Bunge. Our study was designed to explore the role of Sal B on cognitive impairment in vascular dementia (VD) model rats, as well as its possible molecular mechanisms. METHODS: Rats were randomly divided into four groups (n = 15 for each group): Control group, Sal B group (normal Sprague Dawley rats treated with Sal B), VD group and VD + Sal B group. The VD group rats were established by permanent bilateral common carotid artery occlusion (BCCAO)...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28874409/extracellular-salb-contributes-to-intrinsic-cephalosporin-resistance-and-cell-envelope-integrity-in-enterococcus-faecalis
#4
Dušanka Djorić, Christopher J Kristich
Enterococci are major causes of hospital-acquired infections. Intrinsic resistance to cephalosporins is a universal trait among clinically relevant enterococci. Cephalosporin resistance enables enterococci to proliferate to high densities in the intestines of patients undergoing cephalosporin treatment, a precursor to the emergence of infection. However, the genetic and biochemical mechanisms of intrinsic cephalosporin resistance in enterococci are not well understood. A two-component signal transduction system, CroR/S, is required for cephalosporin resistance in enterococci...
September 5, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28736034/salvianolic-acid-b-promotes-microglial-m2-polarization-and-rescues-neurogenesis-in-stress-exposed-mice
#5
Jinqiang Zhang, Xiaofang Xie, Mingming Tang, Jing Zhang, Boyang Zhang, Qiuying Zhao, Yue Han, Wan Yan, Cheng Peng, Zili You
Although accumulating evidence suggests that activated microglia are associated with deficits in neurogenesis and contribute to the physiopathology of major depressive disorder, the role of microglia in treating depression remains poorly understood. Our previous study showed that salvianolic acid (SalB) has the regulation of neuroinflammatory responses and antidepressant-like effects. Here, we hypothesized that SalB's therapeutic effects occur because it modulates microglial phenotypes that are associated with neurogenesis...
July 20, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28678651/rabies-virus-in-bats-state-of-par%C3%A3-brazil-2005-2011
#6
Armando de Souza Pereira, Livia Medeiros Neves Casseb, Taciana Fernandes Souza Barbosa, Alberto Lopes Begot, Roberto Messias Oliveira Brito, Pedro Fernando da Costa Vasconcelos, Elizabeth Salbé Travassos da Rosa
Rabies is an acute, progressive zoonotic viral infection that in general produces a fatal outcome. This disease is responsible for deaths in humans and animals worldwide and, because it can affect all mammals, is considered one of the most important viral infections for public health. This study aimed to determine the prevalence of rabies in bats of different species found in municipalities of the state of Pará from 2005 to 2011. The rabies virus was detected in 12 (0.39%) bats in a total of 3100 analyzed, including hematophagous, frugivorous, and insectivorous bats...
August 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28634051/revisiting-interdialytic-weight-gain-and-mortality-association-with-serum-albumin-interactions-the-japanese-dialysis-outcomes-and-practice-pattern-study
#7
Noriaki Kurita, Yasuaki Hayashino, Shin Yamazaki, Tadao Akizawa, Takashi Akiba, Akira Saito, Shunichi Fukuhara
BACKGROUND: The dialysis practice guideline in Japan sets a limit on the allowed interdialytic weight gain (IDWG) <6%. However, the effects of relative gain of fluid volume to body weight may differ in presence of morbid conditions. Here, we examined whether or not the associations between IDWG and mortality differ by serum albumin (sAlb), a nutritional and illness marker. DESIGN: The study type used was prospective cohort study. SUBJECTS: Patients who participated in the Japan Dialysis Outcomes and Practice Pattern Study (phase 1-4 [1999-2011]) and received thrice-weekly hemodialysis...
November 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/28605158/the-effect-of-liraglutide-on-dietary-lipid-induced-insulin-resistance-in-humans
#8
Juraj Koska, Lizette Lopez, Karen D'Souza, Tracy Osredkar, James Deer, Julie Kurtz, Arline D Salbe, S Mitchell Harman, Peter D Reaven
AIMS: High saturated fatty acid (SFA) diets blunt peripheral insulin action. GLP-1 receptor agonists suppress postprandial lipids and endothelial dysfunction, which may counter SFA-induced insulin resistance. This study tested whether liraglutide suppresses postprandial elevations in lipids and thus protects against high SFA-diet induced insulin resistance. MATERIALS AND METHODS: In a randomized placebo-controlled cross-over study, 32 subjects with normal or mildly impaired glucose tolerance received liraglutide and placebo for 3 weeks each...
June 12, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28427233/assessment-of-the-interlaboratory-variability-and-robustness-of-jak2v617f-mutation-assays-a-study-involving-a-consortium-of-19-italian-laboratories
#9
Margherita Perricone, Francesca Palandri, Emanuela Ottaviani, Mario Angelini, Laura Bagli, Enrica Bellesia, Meris Donati, Donato Gemmati, Patrizia Zucchini, Stefania Mancini, Valentina Marchica, Serena Trubini, Giovanna De Matteis, Silvia Di Zacomo, Mosè Favarato, Annamaria Fioroni, Caterina Bolzonella, Giorgia Maccari, Filippo Navaglia, Daniela Gatti, Luisa Toffolatti, Linda Orlandi, Vèronique Laloux, Marco Manfrini, Piero Galieni, Barbara Giannini, Alessia Tieghi, Sara Barulli, Maria Luisa Serino, Monica Maccaferri, Anna Rita Scortechini, Nicola Giuliani, Daniele Vallisa, Massimiliano Bonifacio, Patrizia Accorsi, Cristina Salbe, Vinicio Fazio, Milena Gusella, Eleonora Toffoletti, Marzia Salvucci, Mirija Svaldi, Filippo Gherlinzoni, Francesca Cassavia, Francesco Orsini, Giovanni Martinelli
To date, a plenty of techniques for the detection of JAK2V617F is used over different laboratories, with substantial differences in specificity and sensitivity. Therefore, to provide reliable and comparable results, the standardization of molecular techniques is mandatory.A network of 19 centers was established to 1) evaluate the inter- and intra-laboratory variability in JAK2V617F quantification, 2) identify the most robust assay for the standardization of the molecular test and 3) allow consistent interpretation of individual patient analysis results...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28158929/the-analgesic-and-anti-inflammatory-effects-of-salvinorin-a-analogue-%C3%AE-tetrahydropyran-salvinorin-b-in-mice
#10
K F Paton, N Kumar, R S Crowley, J L Harper, T E Prisinzano, B M Kivell
BACKGROUND: Drugs activating the mu opioid receptor are routinely used to treat severe acute and chronic pain. Unfortunately, side effects including nausea, constipation, respiratory depression, addiction and tolerance can limit clinical utility. In contrast, kappa opioid receptor (KOPr) agonists, such as Salvinorin A (SalA), have analgesic properties with little potential for abuse. METHODS: We evaluated SalA and the novel analogue β-tetrahydropyran Salvinorin B (β-THP SalB) for the ability to modulate pain and inflammation in vivo...
July 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28067935/hepatitis-b-vaccination-in-haemodialysis-patients-an-underestimated-problem-factors-influencing-immune-responses-in-ten-years-of-observation-in-an-italian-haemodialysis-centre-and-literature-review
#11
REVIEW
E Cordova, I Miglia, F Festuccia, M G Sarlo, G Scornavacca, G Punzo, P Menè, C Fofi
OBJECTIVES: Despite universal infection control precautions, the risk of hepatitis B virus (HBV) infection in patients on chronic haemodialysis (HD) remains high. For this reason anti-HBV vaccination is recommended in these subjects. In hemodialyzed patients vaccinal response is often suboptimal and it's not clear what factors may influence it. STUDY DESIGN: The aim of our study is to assess the influence of some clinical and laboratory factors on seroconversion rate after anti HBV vaccination in a cohort of patients on maintenance HD...
January 2017: Annali di Igiene: Medicina Preventiva e di Comunità
https://www.readbyqxmd.com/read/28000873/salvianolic-acid-b-reverses-multidrug-resistance-in-hct%C3%A2-8-vcr-human-colorectal-cancer-cells-by-increasing-ros-levels
#12
Piaoting Guo, Songpo Wang, Wei Liang, Wenjing Wang, Huijun Wang, Miaomiao Zhao, Xiaowei Liu
Salvianolic acid B (SalB) a water‑soluble phenolic compound, extracted from Salvia miltiorrhiza, has previously been demonstrated to reverse tumor multidrug resistance (MDR), including in colorectal cancer. Reactive oxygen species (ROS) are oxygen radicals generated during aerobic metabolism (superoxide and hydroxyl radicals) and superoxide easily generating free radicals (H2O2). The concept that increased ROS levels can lead to augmented tumor cell‑sensitivity to chemotherapy drugs has become notable. The aim of the present study was to elucidate the role of ROS in mediating the effect of SalB on drug resistance and the correlation with drug resistance‑associated protein, P‑glycoprotein (P‑gp), and apoptosis‑associated proteins, B‑cell lymphoma 2 (Bcl‑2) and Bcl‑2‑associated X (Bax)...
February 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27989594/salvianolic-acid-b-protects-against-chronic-alcoholic-liver-injury-via-sirt1-mediated-inhibition-of-crp-and-chrebp-in-rats
#13
Ning Zhang, Yan Hu, Chunchun Ding, Wenjing Zeng, Wen Shan, Hui Fan, Yan Zhao, Xue Shi, Lili Gao, Ting Xu, Ruiwen Wang, Dongyan Gao, Jihong Yao
Salvianolic acid B (SalB), a water-soluble polyphenol extracted from Radix Salvia miltiorrhiza, has been reported to possess many pharmacological activities. This study investigated the hepatoprotective effects of SalB in chronic alcoholic liver disease (ALD) and explored the related signaling mechanisms. In vivo, SalB treatment significantly attenuated ethanol-induced liver injury by blocking the elevation of serum aminotransferase activities and markedly decreased hepatic lipid accumulation by reducing serum and liver triglyceride (TG) and total cholesterol (TC) levels...
February 5, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/27941340/salvianolic-acid-b-ameliorates-hyperglycemia-and-dyslipidemia-in-db-db-mice-through-the-ampk-pathway
#14
Ming-Qing Huang, Cai-Jie Zhou, Yi-Ping Zhang, Xiao-Qin Zhang, Wen Xu, Jing Lin, Pei-Jian Wang
BACKGROUND/AIMS: Salvianolic acid B (Sal B), a major polyphenolic compound of Salvia miltiorrhiza Bunge, has been shown to possess potential antidiabetic activities. However, the action mechanism of SalB in type 2 diabetes has not been investigated extensively. The present study was designed to investigate the effects of Sal B on diabetes-related metabolic changes in a spontaneous model of type 2 diabetes, as well as its potential molecular mechanism. METHODS: Male C57BL/KsJ-db/db mice were orally treated with Sal B (50 and 100 mg/kg) or metformin (positive drug, 300 mg/kg) for 6 weeks...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27893819/salvianolic-acid-b-alleviates-heart-failure-by-inactivating-erk1-2-gata4-signaling-pathway-after-pressure-overload-in-mice
#15
Juan Yu, Renshan Chen, Yafang Tan, Jiashin Wu, Jianyong Qi, Minzhou Zhang, Weiwang Gu
BACKGROUND: Heart failure(HF) is a dangerous disease that affects millions of patients. Radix Salvia is widely used in Chinese clinics to treat heart diseases. Salvianolic acid B(SalB) is the major active component of Radix Salvia. This study investigated the mechanisms of action and effects of SalB on HF in an experimental mouse model of HF. METHODS: We created a mouse model of HF by inducing pressure overload with transverse aortic constriction(TAC) surgery for 2 weeks and compared among 4 study groups: SHAM group (n = 10), TAC group (n = 9), TAC+MET group (metprolol, positive drug treatment, n = 9) and TAC+SalB group (SalB, 240 mg•kg-1•day-1, n = 9)...
2016: PloS One
https://www.readbyqxmd.com/read/27733250/a-human-model-of-dietary-saturated-fatty-acid-induced-insulin-resistance
#16
RANDOMIZED CONTROLLED TRIAL
Juraj Koska, Marlies K Ozias, James Deer, Julie Kurtz, Arline D Salbe, S Mitchell Harman, Peter D Reaven
BACKGROUND: Increased consumption of high-fat diets is associated with the development of insulin resistance and type 2 diabetes. Current models to study the mechanisms of high-fat diet-induced IR in humans are limited by their long duration or low efficacy. In the present study we developed and characterized an acute dietary model of saturated fatty acid-enriched diet induced insulin resistance. METHODS: High caloric diets enriched with saturated fatty acids (SFA) or carbohydrates (CARB) were evaluated in subjects with normal and impaired glucose tolerance (NGT or IGT)...
November 2016: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/27619402/de-novo-transcriptome-analysis-reveals-distinct-defense-mechanisms-by-young-and-mature-leaves-of-hevea-brasiliensis-para-rubber-tree
#17
Yongjun Fang, Hailiang Mei, Binhui Zhou, Xiaohu Xiao, Meng Yang, Yacheng Huang, Xiangyu Long, Songnian Hu, Chaorong Tang
Along with changes in morphology in the course of maturation, leaves of Hevea brasiliensis become more resistant to leaf diseases, including the South American Leaf Blight (SALB), a devastating fungal disease of this economically important tree species. To understand the underlying mechanisms of this defense, and to identify the candidate genes involved, we sequenced the Hevea leaf transcriptome at four developmental stages (I to IV) by Illumina sequencing. A total of 62.6 million high-quality reads were generated, and assembled into 98,796 unique transcripts...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27530868/a-phenomenological-model-of-the-solvent-assisted-lipid-bilayer-formation-method
#18
Jurriaan J J Gillissen, Seyed R Tabaei, Nam-Joon Cho
The recently introduced solvent-assisted lipid bilayer (SALB) formation method allows one to efficiently fabricate planar, lipid bilayers on solid supports and can be used for various applications. It involves the introduction of an aqueous buffer into a mixture of lipid and alcohol, which is incubated on a solid support. The associated phase changes in the ternary bulk system are accompanied by the formation of a lipid bilayer at the solid-liquid interface. While the phase behavior of the ternary bulk system is well understood, the mechanism of bilayer assembly at the solid-liquid interface remains to be elucidated, including whether the adsorption process is limited by diffusion of the lipid in the bulk or by lipid binding kinetics onto the surface...
September 21, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27529846/antioxidative-stress-effects-of-salvia-przewalskii-extract-in-experimentally-injured-podocytes
#19
Xiang Liu, Yun Liu, Yang Yang, Jiadai Xu, Deshu Dai, Chao Yan, Xiangyang Li, Renxian Tang, Chen Yu, Hongqi Ren
BACKGROUND: Oxidative stress is a leading cause of puromycin aminonucleoside (PAN)-induced nephrosis. As the inhibition of oxidative stress may improve injury of podocyte, we aimed at examining the effect of total phenolic acid extract of Salvia przewalskii (SPE) on PAN-induced oxidative stress in vivo and in vitro. METHODS: Seventy-two male Sprague-Dawley rats were randomly assigned into 6 groups (n = 12), PAN alone, tacrolimus (TAC), SPE (50, 100 and 200 mg/kg) and normal control group...
2016: Nephron
https://www.readbyqxmd.com/read/27507327/salvianolic-acid-b-protects-against-paraquat-induced-pulmonary-injury-by-mediating-nrf2-nox4-redox-balance-and-tgf-%C3%AE-1-smad3-signaling
#20
Bin Liu, Bo Cao, Di Zhang, Na Xiao, Hong Chen, Guo-Qiang Li, Shou-Chun Peng, Lu-Qing Wei
The present study was aimed at exploring the protective effects of Salvianolic acid B (SalB) against paraquat (PQ)-induced lung injury in mice. Lung fibrotic injuries were induced in mice by a single intragastrical administration of 300mg/kg PQ, then the mice were administrated with 200mg/kg, 400mg/kg SalB, 100mg/kg vitamin C (Vit C) and dexamethasone (DXM) for 14days. PQ-triggered structure distortion, collagen overproduction, excessive inflammatory infiltration, pro-inflammatory cytokine release, and oxidative stress damages in lung tissues and mortality of mice were attenuated by SalB in a dose-dependent manner...
October 15, 2016: Toxicology and Applied Pharmacology
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