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https://www.readbyqxmd.com/read/28550734/pterostilbene-alleviates-polymicrobial-sepsis-induced-liver-injury-possible-role-of-sirt1-signaling
#1
Xiaojing Liu, Xueliang Yang, Lingna Han, Feng Ye, Min Liu, Wanhu Fan, Kai Zhang, Ying Kong, Jian Zhang, Lei Shi, Yunru Chen, Xi Zhang, Shumei Lin
Liver injury occurs frequently during sepsis. Pterostilbene (Pte), a natural dimethylated analog of resveratrol from blueberries, exerts anti-inflammatory and anti-apoptotic effects in various diseases. However, the role of Pte in sepsis-induced liver injury and its underlying mechanisms remain unknown. The current study aimed to evaluate the protective effects of Pte on sepsis-induced liver injury and its potential mechanisms. Sepsis was induced using cecal ligation and puncture (CLP) in C57BL/6 mice. Mice were administered Pte (5, 10, 15mg/kg, i...
May 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28548224/resveratrol-beneficially-affects-meat-quality-of-heat-stressed-broilers-which-is-associated-with-changes-in-muscle-antioxidant-status
#2
Cheng Zhang, Xiaohui Zhao, Li Wang, Lei Yang, Xingyong Chen, Zhaoyu Geng
This study was conducted to evaluate the effect of dietary resveratrol (Res) supplementation on serum parameters, meat quality and muscle antioxidant status of broilers under heat stress (HS). A total of 270 21-day-old male Cobb broilers were randomly assigned to three treatment groups with six replicates of 15 birds each. The three treatment groups were as follows: the control group, in which birds were reared at 22 ± 1°C, and the HS and HS + Res (400 mg/kg) groups, in which birds were reared at 33 ± 1°C for 10 h (08...
May 26, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28533128/polyphenol-inhibition-of-benzo-a-pyrene-induced-oxidative-stress-and-neoplastic-transformation-in-an-in-vitro-model-of-carcinogenesis
#3
Kosar Omidian, Hossein Rafiei, Brian Bandy
While dietary polyphenols are widely recognized for cancer-preventing characteristics, the relative effectiveness and mechanisms of action of different polyphenols is not clear. In the present study, we investigated the protective effects of six different polyphenols against benzo[a]pyrene (B[a]P)-induced oxidative stress and neoplastic transformation in the Bhas 42 cell carcinogenesis assay. All of the polyphenols completely prevented the increased intracellular ROS generation by B[a]P at 12 h, and most inhibited after 3 days...
May 19, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28531100/functional-mitochondria-are-important-for-the-effect-of-resveratrol
#4
Anne L Widlund, Kaushal Baral, Louise T Dalgaard, Ole Vang
Resveratrol (Resv) is a polyphenol reported to modulate mitochondrial activity. The aim was to use HeLa and 143B cells to characterize the action of Resv on mitochondrial activity, cell size and proliferation using wild type (WT) and Rho 0 cells deficient in mitochondrial DNA. In both HeLa WT and Rho 0 cells, the oxygen consumption rate (OCR) was increased at 20 µM Resv after 24 h, whereas only a non-significant increase of OCR was observed in 143B WT cells. Resv decreased cell number concentration-dependently in both WT and Rho 0 cell types...
May 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28516788/anti-oxidative-effect-of-resveratrol-on-aluminum-induced-toxicity-in-rat-cerebral-tissue
#5
M M H Zakaria, B Hajipour, R Estakhri, B M Saleh
INTRODUCTION: The direct protective effects of resveratrol against oxidative stress have been demonstrated in neuroglial cells, the mechanisms of these effects are not fully understood. The aim of this research was to study the effect of resveratrol on AL induced cerebral injury in rat. METHODS: We divided the groups as follows with 10 animals each: a) Group I - served as control receiving normal drinking water and diet ad libitum. b) Group II - animals were administered aluminum at a dose level of 100 mg/kg body weight for a period of 6 weeks daily through oral gavage...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/28512471/resveratrol-induces-differentiation-of-human-umbilical-cord-mesenchymal-stem-cells-into-neuron-like-cells
#6
Li Guo, Liang Wang, Li Wang, Shi Yun-Peng, Jing-Jing Zhou, Zongmao Zhao, De-Pei Li
Objective. Human umbilical cord mesenchymal stem cells (hUC-MSCs) potentially differentiate to various types of cells including neuron-like cells. The natural polyphenol resveratrol benefits patients with many diseases including ischemic brain injury. We hypothesize that resveratrol induces differentiation of hUC-MSCs into neuron-like cells. Methods. Flow cytometry was used to determine the surface antigens in different stage of hUC-MSCs (P2, P5, and P10). Nestin, neuron-specific enolase (NSE), and glial fibrillary acidic protein (GFAP) were detected by immunocytochemistry, Western blotting, and real time RT-PCT...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28494457/resveratrol-protects-against-pulmonary-arterial-hypertension-in-rats-via-activation-of-silent-information-regulator-1
#7
Lei Yu, Yingfeng Tu, Xueling Jia, Kun Fang, Li Liu, Lin Wan, Chuanying Xiang, Yanan Wang, Xiangju Sun, Tianyou Liu, Dejun Yu, Weiwei Cao, Yinli Song, Yuhua Fan
BACKGROUND/OBJECTIVES: The polyphenol resveratrol (Rev) has been found to exhibit various beneficial effects including prevention of pulmonary arterial hypertension (PAH). The present study was designed to investigate the action and potential mechanism of Rev on PAH, focusing on the role of SIRT1 (Silent Information Regulator 1) in apoptosis of pulmonary artery smooth muscle cells (PASMCs). METHODS: PAH rats were established by exposure to hypoxia for 21 days. Rev and SRT1720 (a selective SIRT1 activator) were used to reverse PAH by gavaging rats...
May 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28490373/thioredoxin-interacting-protein-links-endoplasmic-reticulum-stress-to-inflammatory-brain-injury-and-apoptosis-after-subarachnoid-haemorrhage
#8
Qing Zhao, Xudong Che, Hongxia Zhang, Pianpian Fan, Guanping Tan, Liu Liu, Dengzhi Jiang, Jun Zhao, Xiang Xiang, Yidan Liang, Xiaochuan Sun, Zhaohui He
BACKGROUND: Early brain injury (EBI) is considered a major contributor to the high morbidity and mortality associated with subarachnoid haemorrhage (SAH). Both of sterile inflammation and apoptosis are considered the important causes of EBI. Recently, it was confirmed that thioredoxin-interacting protein (TXNIP) not only participates in inflammatory amplification but also stimulates the apoptosis signalling cascade pathway. However, whether the effects of TXNIP influence the pathogenesis of SAH remains unclear...
May 11, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28476958/res-loaded-pegylated-cs-nps-for-efficient-ocular-delivery
#9
Saravanakumar Pandian, Vinoth Jeevanesan, Chandrasekar Ponnusamy, Subramanian Natesan
The objective of this study is to develop resveratrol (RES) loaded polyethylene glycols (PEGs) modified chitosan (CS) nanoparticles (NPs) by ionic gelation method for the treatment of glaucoma. While increasing the concentration of PEG, the particle size and polydispersity index of the formulations increased. Entrapment efficiency and RES loading (RL) of NPs decreased while increasing PEG concentration. The in vitro release of NPs showed an initial burst release of RES (45%) followed by controlled release. Osmolality of formulations revealed that the prepared NPs were iso-osmolar with the tear...
February 2017: IET Nanobiotechnology
https://www.readbyqxmd.com/read/28475242/a-simple-lc-ms-ms-method-facilitated-by-salting-out-assisted-liquid-liquid-extraction-salle-to-simultaneously-determine-trans-resveratrol-res-its-glucuronide-and-sulfate-conjugates-in-rat-plasma-and-its-application-to-pharmacokinetic-assay
#10
Zhixia Qiu, Jiaojiao Yu, Yu Dai, Yue Yang, Xiaoyu Lu, Jiaqiu Xu, Zhiying Qin, Fang Huang, Ning Li
A simple LC-MS/MS method facilitated by salting-out assisted liquid-liquid extraction (SALLE) was applied to simultaneously investigate pharmacokinetics of trans-resveratrol (Res), its major glucuronide and sulfate conjugates in rat plasma. Acetonitrile-methanol (80:20, v/v) and ammonium acetate (10 mol∙L(-1) ) were used as extractant and salting-out reagent to locate the target analytes in the supernatant after the aqueous and organic phase stratification, then the analytes were determined via gradient elution by LC-MS/MS in negative mode in a single run...
May 5, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28474064/-effect-of-lipopolysaccharides-from-porphyromonas-endodontalis-on-the-expression-of-interleukin-34-in-mouse-osteoblasts
#11
Ya-Qiong Yu, Jia-Jie Guo, Li-Hong Qiu, Xiao-Lin Li, Di Yang, Yan Guo
PURPOSE: To investigate the effects of lipopolysaccharides (LPS) extracted from Porphyromonas endodontalis (P.e) on the expression of interleukin-34 (IL-34) mRNA in MC3T3-E1 cells and the role of p38MAPK, ERK1/2, NF-κB and SIRT1 in the process. METHODS: MC3T3-E1 cells were treated with different concentrations of P.e-LPS(0-50 mg/L) and 20 mg/L P.e-LPS for different time (0-24 h). The expression of IL-34 mRNA was detected by real-time reverse transcription-polymerase chain reaction (real time RT-PCR)...
February 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28474063/-effect-of-resveratrol-on-expression-of-tlr4-and-inflammatory-factors-in-gingival-epithelial-cells-under-high-glucose-environment
#12
Jia-Shu Lv, Xue-Wei Jiang, Yan Zhang, Lei Zhen
PURPOSE: Through a study of the molecular mechanism of the effect of resveratrol(RSV) on expression of TLR4 and inflammatory factors in gingival epithelial cells under high glucose environment, the therapeutic effect and molecular mechanism of resveratrol on periodontitis in patients with diabetes mellitus was investigated. METHODS: Gingival epithelial cells were cultured in vitro; according to the way of action, the cultured cells were divided into control group, high glucose group(HG) and HG+RSV group...
February 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28467474/tonic-suppression-of-pcat29-by-the-il-6-signaling-pathway-in-prostate-cancer-reversal-by-resveratrol
#13
Raheem F H Al Aameri, Sandeep Sheth, Entkhab M A Alanisi, Vikrant Borse, Debashree Mukherjea, Leonard P Rybak, Vickram Ramkumar
Prostate cancer (PCa) is the second leading cause of cancer deaths in men. A better understanding of the molecular basis of prostate cancer proliferation and metastasis should enable development of more effective treatments. In this study we focused on the lncRNA, prostate cancer associated transcript 29 (PCAT29), a putative tumor suppressive gene. Our data show that the expression of PCAT29 was reduced in prostate cancer tumors compared to paired perinormal prostate tissues. We also observed substantially lower levels of PCAT29 in DU145 and LNCaP cells compared to normal prostate (RWPE-1) cells...
2017: PloS One
https://www.readbyqxmd.com/read/28465474/nanoparticle-mediated-dual-delivery-of-resveratrol-and-dap5-ameliorates-kidney-ischemia-reperfusion-injury-by-inhibiting-cell-apoptosis-and-inflammation
#14
Yong Xu, Bo Zhang, Da Xie, Yu Hu, Hai-Lun Li, Li-Li Zhong, Hong-Wu Wang, Wei Jiang, Zun-Ping Ke, Dong-Hui Zheng
Ischemia reperfusion (I/R) injury is a leading cause of acute kidney injury with high morbidity and mortality due to limited therapy. NMDA receptor inhibitor (DAP5) and resveratrol (Res) could ameliorate kidney I/R injury, but their use is limited by low aqueous solubility and poor stability. Here, we examined the potential protective effects of Res-DAP5 nanoparticles (NP) against renal I/R injury. Mice were subjected to renal ischemia for 30 min followed by reperfusion for 24 h. The results showed that Res-DAP5-NP could decreased serum creatinine (Cr) and urea nitrogen (BUN), alleviated tubular damage and oxidative stress...
April 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28461085/wound-healing-effects-of-collagen-laminin-dermal-matrix-impregnated-with-resveratrol-loaded-hyaluronic-acid-dppc-microparticles-in-diabetic-rats
#15
Evren H Gokce, Sakine Tuncay Tanrıverdi, Ipek Eroglu, Nicolas Tsapis, Goksel Gokce, Isıl Tekmen, Elias Fattal, Ozgen Ozer
An alternative formulation for the treatment of diabetic foot wounds that heal slowly is a requirement in pharmaceutical field. The aim of this study was to develop a dermal matrix consisting of skin proteins and lipids with an antioxidant that will enhance healing and balance the oxidative stress in the diabetic wound area due to the high levels of glucose. Thus a novel three dimensional collagen-laminin porous dermal matrix was developed by lyophilization. Resveratrol-loaded hyaluronic acid and dipalmitoylphosphatidylcholine microparticles were combined with this dermal matrix...
April 28, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28456769/neuroprotective-effect-of-resveratrol-against-late-cerebral-ischemia-reperfusion-induced-oxidative-stress-damage-involves-upregulation-of-osteopontin-and-inhibition-of-interleukin-1beta
#16
H Al Dera
This study was carried out to investigate the expression pattern and role of osteopontin (OPN) in late global ischemia-reperfusion (I/R) injury with or without resveratrol (RES) pre-treatment. Young male rats were divided into 3 groups (n = 12) of I) sham, II) I/R model group and III) I/R + RES. Vehicle and RES (20 mg/kg) were administered to designed groups intraperitoneally 30 days prior global I/R injury (2-VO) induction and continued for 7 days, later. Then, percentages of infarct areas, mRNA levels of OPN, inducible nitric oxide synthase (iNOS) and other biochemical parameter related to endogenous antioxidants activities and inflammation were measured in the cerebral cortices of all groups...
February 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28452899/cytochrome-c-and-resveratrol-preserve-platelet-function-during-cold-storage
#17
Michael L Ekaney, Martin A Grable, William F Powers, Iain H McKillop, Susan L Evans
BACKGROUND: Donated platelets are stored at 22°C and discarded within 5 days because of diminished function and risk of bacterial contamination. Decline of platelet function has been attributed to decreased mitochondrial function and increased oxidative stress. Resveratrol (Res) and cytochrome c (Cyt c), in combination with hypothermic storage, may extend platelet viability. METHODS: Platelets from 20 donors were pooled into 4-independent sets and stored at 22°C or 4°C in the absence or presence of Res (50μM) or Cyt c (100μM) for up to 10d...
April 27, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28449869/caffeic-acid-phenethyl-ester-attenuates-pathological-cardiac-hypertrophy-by-regulation-of-mek-erk-signaling-pathway-in-vivo-and-vitro
#18
Jie Ren, Nan Zhang, Haihan Liao, Si Chen, Ling Xu, Jing Li, Zheng Yang, Wei Deng, Qizhu Tang
AIM: To explore the effects of caffeic acid phenethyl ester (CAPE) on cardiac hypertrophy induced by pressure overload. MAIN METHODS: Male wild-type C57 mice, aged 8-10weeks, were used for aortic banding (AB) to induce cardiac hypertrophy. CAPE or (resveratrol) RS was administered from the 3rd day after AB surgery for 6weeks. Echocardiography and hemodynamic analysis were performed to estimate cardiac function. Mice hearts were collected for H&E and PSR staining...
April 24, 2017: Life Sciences
https://www.readbyqxmd.com/read/28420192/thioredoxin-interacting-protein-mediates-apoptosis-in-early-brain-injury-after-subarachnoid-haemorrhage
#19
Qing Zhao, Xudong Che, Hongxia Zhang, Guanping Tan, Liu Liu, Dengzhi Jiang, Jun Zhao, Xiang Xiang, Xiaochuan Sun, Zhaohui He
Early brain injury (EBI) is considered to be the major factor associated with high morbidity and mortality after subarachnoid haemorrhage (SAH). Apoptosis is the major pathological mechanism of EBI, and its pathogenesis has not been fully clarified. Here, we report that thioredoxin-interacting protein (TXNIP), which is induced by protein kinase RNA-like endoplasmic reticulum (ER) kinase (PERK), participates in EBI by promoting apoptosis. By using adult male Sprague-Dawley rats to establish SAH models, as well as Terminal dexynucleotidyl transferase (TdT)-mediated dUTP nick end labeling (TUNEL) staining, immunofluorescence, and western blot, we found that TXNIP expression significantly increased after SAH in comparison to the sham group and peaked at 48 h (up to 3...
April 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28406974/resveratrol-reduces-the-apoptosis-induced-by-cigarette-smoke-extract-by-upregulating-mfn2
#20
Chao Song, Bailing Luo, Li Gong
PURPOSE: The aim of this study was to investigate the effect of resveratrol (RSV) on cigarette smoke extract (CSE)-induced cell apoptosis and mitochondrial dysfunction in vitro, as well as changes in the MFN2 expression level. METHODS: Cultured human bronchial epithelial (HBE) cells were initially treated with CSE to induce apoptosis, followed by incubation either with or without RSV. Numerous techniques were used to evaluate the outcomes of the present study, including a cell counting kit-8 assay, real-time quantitative polymerase chain reaction (real-time qPCR), western blotting, JC-1 fluorescence, Hoechst 33342 staining, Annexin V-PI flow cytometry apoptosis analyses, and siRNA technology...
2017: PloS One
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