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https://www.readbyqxmd.com/read/28650775/urine-interleukin-18-il-18-as-a-biomarker-of-total-body-irradiation-a-preliminary-study-in-nonhuman-primates
#1
Mang Xiao, David L Bolduc, XiangHong Li, Wanchang Cui, Kevin P Hieber, Rolf Bünger, Natalia I Ossetrova
We have reported that circulating IL-18 can be used as a radiation biomarker in mice, minipigs and nonhuman primates (NHPs, Macaca mulatta). Here, we report the levels of IL-18 in individual NHP's urine before and at 6 h-7 days after 5.0, 6.5 and 8.5 Gy (60)Co total-body irradiation (TBI) using enzyme linked immunosorbent assay (ELISA). Six animals (3.5-5.5 kg, 3-4 years old) per radiation dose were investigated. Correlation values between urine IL-18 and blood cell counts and serum chemistry parameters including lactate dehydrogenase (LDH), lipase, and serum total protein (TP), as well as between urine IL-18 and 60-day survival, were analyzed...
June 26, 2017: Radiation Research
https://www.readbyqxmd.com/read/28650331/expression-of-th17-and-cd4-cd25-t-regulatory-cells-in-peripheral-blood-of-acute-leukemia-patients-and-their-prognostic-significance
#2
Mingli Xiang, Li Guo, Yan Ma, Yi Li
To discuss the expression of T helper cell 17 (Th17) cells and CD4+ CD25+ Foxp3+ regulatory T cells (Treg) in peripheral blood (PB) of patients with acute leukemia (AL), and to explore the relationship between them and disease prognosis. 40 patients diagnosed with acute leukemia in The First Affiliated Hospital of Zhengzhou University from July 2012 to August 2014 were selected as the observation group. Meanwhile, 40 healthy people were taken as the control group. Flow Cytometry Method (FCM) was used to detect the level of Th17 cells and CD4(+) CD25(+) Foxp3(+) cells in peripheral blood of the two groups, and enzyme-linked immuno sorbent assay (ELISA) method was used to test the level of IL17 and TGF-β in peripheral blood of two groups; reverse transcription-polymerase chain reaction (RT-PCR) was adopted to analyze the mRNA levels of RORγT and Foxp3 in peripheral blood...
March 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28650215/tolerability-of-topical-tocilizumab-eyedrops-in-dogs-a-pilot-study
#3
Vatinee Y Bunya, Simone Iwabe, Ilaria Macchi, Mina Massaro-Giordano, Maxwell Pistilli, Gustavo D Aguirre
PURPOSE: The aim of this study was to examine the tolerability of topical tocilizumab eyedrops in normal dogs and to assess whether this preparation alters tear film cytokine levels or conjunctival cytokine mRNA expression. METHODS: Two percent tocilizumab eyedrops were administered to the right eyes and artificial tears to the left eyes of 10 dogs with no anterior segment pathology 3 times daily for 4 weeks. Portable slit-lamp examinations and Schirmer tear testing were performed at baseline and day 1 week 4, as well as 2 weeks after treatment (week 6)...
June 26, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28650029/nanoparticle-encapsulated-baicalein-markedly-modulates-pro-inflammatory-response-in-gingival-epithelial-cells
#4
Xuan Li, Wei Luo, Tsz Wing Ng, Ping Chung Leung, Chengfei Zhang, Ken Cham-Fai Leung, Lijian Jin
Severe gum disease (periodontitis), which is one of the major global oral diseases, results from microbe-host dysbiosis and dysregulated immuno-inflammatory responses. It seriously affects oral health and general wellbeing with significant socio-economic implications. It has been well documented that natural flavonoids such as baicalin (BA) and baicalein (BE) possess potent anti-inflammatory effects. However, their intrinsic poor solubility and low bioavailability severely limit their biomedical applications...
June 26, 2017: Nanoscale
https://www.readbyqxmd.com/read/28649743/l-arginine-modulates-inflammation-and-muscle-regulatory-genes-after-a-single-session-of-resistance-exercise-in-rats
#5
Samuel R L Morais, Victor Gustavo B Brito, Wagner G Mello, Sandra H P Oliveira
We investigated the skeletal muscle adaptation to L-arginine supplementation prior to a single session of resistance exercise (RE) during the early phase of muscle repair. Wistar rats were randomly assigned into non-exercised (Control), RE plus vehicle (RE); RE plus L-arginine (RE+L-arg) and RE plus aminoguanidine (RE+AG) groups. Animals received four doses of either vehicle (0.9%NaCl), L-arg (1g/b.w.), or AG (iNOS inhibitor) (50mg/b.w.). The animals performed a single RE session until the concentric failure (ladder climbing; 80% overload) and the skeletal muscles were harvested at 0, 8, 24 and 48h post RE...
June 26, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28649248/a-combination-of-podophyllotoxin-and-rutin-alleviates-radiation-induced-pneumonitis-and-fibrosis-through-modulation-of-lung-inflammation-in-mice
#6
Savita Verma, Bhargab Kalita, Sania Bajaj, Hridayesh Prakash, Ajay Kumar Singh, Manju Lata Gupta
Pneumonitis and pulmonary fibrosis are predominant consequences of radiation exposure, whether planned or accidental. The present study, demonstrates radioprotective potential of a formulation, prepared by combining podophyllotoxin and rutin (G-003M), in mice exposed to 11 Gy thoracic gamma radiation (TGR). Treated mice were observed for survival and other symptomatic features. Formation of reactive oxygen species (ROS)/nitric oxide (NO) was measured in bronchoalveolar lavage cells. DNA damage and cell death were assessed in alveolar cells by terminal deoxynucleotidyl transferase dUTP nick-end labeling assay...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28649241/insulin-modulates-cytokine-release-collagen-and-mucus-secretion-in-lung-remodeling-of-allergic-diabetic-mice
#7
Sabrina S Ferreira, Fernanda P B Nunes, Felipe B Casagrande, Joilson O Martins
INTRODUCTION: The role of insulin in lung remodeling in a model of asthma in healthy and diabetic mice was evaluated. MATERIAL AND METHODS: Diabetic male BALB/c mice (alloxan, 50 mg/kg, intravenous) and controls were sensitized by subcutaneous (s.c.) injection of ovalbumin (OA, 20 µg) in aluminum hydroxide (Al(OH)3, 2 mg) 10 days after the alloxan injection and received the same dose 12 days later. Six days after the last sensitization, animals were nebulized with OA solution for 7 days...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28648642/hpi-amf-inhibition-halts-the-development-of-the-aggressive-phenotype-of-breast-cancer-stem-cells
#8
Juan Carlos Gallardo-Pérez, Alhelí Adán-Ladrón de Guevara, Alvaro Marín-Hernández, Rafael Moreno-Sánchez, Sara Rodríguez-Enríquez
Cancer stem cells are responsible for tumor recurrence and metastasis. A new highly reproducible procedure for human breast cancer MCF-7 stem cells (BCSC) isolation and selection was developed by using a combination of hypoxia/hypoglycemia plus taxol and adriamycin for 24h. The BCSC enriched fraction (i) expressed (2-15 times) the typical stemness protein markers CD44+, ALDH1A3 and Oct 3/4; (ii) increased its clonogenicity index (20-times), invasiveness profile (>70%), migration capacity (100%) and ability to form mammospheres, compared to its non-metastatic MCF-7 counterpart...
June 22, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28648405/anti-inflammatory-activity-of-coptisine-free-base-in-mice-through-inhibition-of-nf-%C3%AE%C2%BAb-and-mapk-signaling-pathways
#9
Han-Bin Chen, Chao-Dan Luo, Jia-Li Liang, Zhen-Biao Zhang, Guo-Sheng Lin, Jia-Zhen Wu, Cai-Lan Li, Li-Hua Tan, Xiao-Bo Yang, Zi-Ren Su, Jian-Hui Xie, Hui-Fang Zeng
Coptisine is one of the main constituents of Coptis chinensis which has been widely used for the remedy of inflammatory disorders. Although the biological activities of coptisine have been well known, the pharmacological properties of its free base have seldomly been elucidated thus far. The aim of this study was to investigate the potential anti-inflammatory properties of coptisine free base (CFB, 8-hydroxy-7,8-dihydrocoptisine) on three animal models, namely xylene-induced ear edema, acetic acid-induced vascular permeability and carrageenan-induced paw edema...
June 22, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28648404/osthole-inhibits-intimal-hyperplasia-by-regulating-the-nf-%C3%AE%C2%BAb-and-tgf-%C3%AE-1-smad2-signalling-pathways-in-the-rat-carotid-artery-after-balloon-injury
#10
Yi-Qi Li, Jun-Yi Wang, Zhi-Qiang Qian, Ye-Li Li, Wen-Na Li, Yang Gao, Dan-Li Yang
Osthole (7-methoxy-8-isopentenoxy-coumarin), a compound extracted from Cnidiummonnieri (L.) Cusson seeds, has been found to exhibit potent therapeutic effects in cancer due to its ability to inhibit inflammation and cell proliferation. However, its effects on arterial wall hypertrophy-related diseases remain unclear. Therefore, in this study, we aimed to investigate the effects of Osthole on intimal hyperplasia in a rat model of carotid artery balloon injury. We established the balloon-induced carotid artery injury rat model in male Sprague-Dawley rats, after which we administered Osthole (20mg/kg/day or 40mg/kg/day) or volume-matched normal saline orally by gavage for 14 consecutive days...
June 22, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28648042/-effects-of-lappaconitine-on-pain-and-inflammatory-response-of-severely-burned-rats-and-the-mechanism
#11
C L Yang, Z R Wei, T H Zhang, X Q Zeng, B H Wu
Objective: To explore the effects of lappaconitine (LA) on pain and inflammatory response of severely burned rats and the mechanism. Methods: Forty SD rats were divided into healthy+ normal saline group, sham injury+ normal saline group, pure burn group, burn+ LA group, and healthy+ LA group according to the random number table (the same dividing method below), with 8 rats in each group. Rats in pure burn and burn+ LA groups were inflicted with about 32% total body surface area deep partial-thickness scald (hereinafter referred to as burn) on the back and right hind...
June 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28648038/-effects-of-na-h-exchanger-1-inhibitor-on-intestinal-injury-of-rats-with-burn-sepsis-and-the-mechanism
#12
W P Li, G Y Zhao, X K Yang
Objective: To observe the effects of Na(+) /H(+) exchanger 1 (NHE1) inhibitor on intestinal injury of rats with burn sepsis, and to explore the possible mechanism preliminarily. Methods: Ninety SD rats were divided into control group, pure sepsis group, and NHE1 inhibitor group according to the random number table, with 30 rats in each group. Full-thickness scald (hereinafter referred to as burn) model with 20% total body surface area were reproduced on the back of rats in pure sepsis and NHE1 inhibitor groups, and then 50 μL liquid of Pseudomonas aeruginosa ATCC 27853 (2×10(5) colony forming unit/mL) were injected into the center of wounds on the back...
June 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28648037/-effects-of-activating-silent-information-regulator-1-on-early-kidney-damage-in-rats-with-severe-burn
#13
X Z Bai, T He, Y Liu, W Zhang, F Han, C Yang, W X Cai, Y H Jia, J H Shi, J T Han, L L Su, D H Hu
Objective: To investigate the effects of activating silent information regulator 1 (SIRT1) on the early kidney damage in rats with severe burn. Methods: Thirty healthy male SD rats were divided into sham injury group (SI), pure burn group (PB), and SIRT1 activator group (SA) according to the random number table, with 10 rats in each group. Rats in groups PB and SA were inflicted with 30% total body surface area full-thickness scald (hereinafter referred to as burn) on the back. Immediately after injury, rats in group PB were intraperitoneally injected with normal saline in the dosage of 50 mL/kg, and those in group SA with 1 mg/mL (final mass concentration) resveratrol in the dosage of 50 mL/kg...
June 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28648029/-effects-of-overexpression-of-human-tissue-inhibitor-of-metalloproteinase-1-on-the-inflammatory-response-in-rats-with-myocardial-infarction-and-related-mechanisms
#14
L L Zhao, Y Q Song, Y Zhang, Y Shi, M Ren, S Liu, Y M Mao
Objective: To observe the effects of recombinant adenovirus with human tissue inhibitor of metalloproteinase-1(Ad-hTIMP-1) on the inflammatory response in rats with myocardial infarction (MI) and explore the related mechanisms. Methods: The male Wistar rats were randomly divided into sham-operated group, saline group, Ad-Track group and Ad-hTIMP-1 group according to the random number table (n=8 each group). MI was induced by ligation of the left anterior descending coronary artery and MI rats were injected with saline, Ad-Track and Ad-hTIMP-1, respectively...
June 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28648015/-therapeutic-effects-of-tubastatin-a-hcl-on-airway-inflammation-in-acute-mice-asthma-model
#15
X M Su, Y Ren, M L Li, X Zhao, J Kang
Objective: To investigated the therapeutic effects of Tubastatin A Hcl, a selective HDAC6 inhibitor, on airway inflammation in acute mice bronchial asthma (asthma) model. Methods: A total of 48 BALB/C mice were randomly divided into control group, asthma group, dexamethasone group and Tubastatin A Hcl group with 12 mice in each group. Then the airway hyperresponsiveness was assessed in each group; total cell number, different cell number, levels of Interleukin (IL)-4, IL-5 and Interferon-γ (IFN-γ) in the bronchoalveolar lavage fluid (BALF) were detected; the lung tissues of each group were stained with HE to observe the inflammatory cells infiltration...
June 27, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28647850/wound-healing-protein-profiles-in-the-postoperative-exudate-of-bisphosphonate-related-osteonecrosis-of-mandible
#16
Soung Min Kim, Mi Young Eo, Yun Ju Cho, Yeon Sook Kim, Suk Keun Lee
Recurrent bacterial infections in cases of bisphosphonate-related osteonecrosis of jaw (BRONJ) frequently occur. Therefore, BRONJ are usually treated by radical saucerization followed by intensive antibiotic medications without bisphosphonate therapy. The postoperative exudate (POE) from BRONJ lesions may directly indicate the inflammatory status of osteomyelitis in patients, but so far, the POE has rarely been examined for its expression of various cytokines and wound healing proteins. A total of 27 cases of BRONJ, which involved the mandible, were selected and their individual POE collected 6 h, 1 day, and 2 days after surgical intervention was analyzed by immunoprecipitation high performance liquid chromatography (IP-HPLC)...
June 24, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28647468/influence-of-rabbit-notochordal-cells-on-symptomatic-intervertebral-disc-degeneration-anti-angiogenic-capacity-on-human-endothelial-cell-proliferation-under-hypoxia
#17
Woo-Keun Kwon, Hong Joo Moon, Taek-Hyun Kwon, Youn-Kwan Park, Joo Han Kim
OBJECTIVES: Symptomatic degenerative disc disease (DDD) is associated with neovascularization and nerve ingrowth into intervertebral discs (IVDs). Notochordal cells (NCs) are key cells that may lead to regeneration of IVDs. However, their activities under conditions of hypoxia, the real environment of IVD, are not well known. We hypothesized that NCs may inhibit neovascularization by interacting with endothelial cells (ECs) under hypoxia. DESIGN: Human IVDs were isolated and cultured to produce nucleus pulposus (NP) cell conditioned medium (NPCM)...
June 21, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28647291/genistein-supplementation-improves-insulin-resistance-and-inflammatory-state-in-non-alcoholic-fatty-liver-patients-a-randomized-controlled-trial
#18
Sasan Amanat, Mohammad Hassan Eftekhari, Mohammad Fararouei, Kamran Bagheri Lankarani, Seyed Jalil Massoumi
BACKGROUND & AIMS: The beneficial effect of genistein has indicated on metabolic disorders and inflammatory state. The aim of this study was to investigate the effect of genistein supplementation on non-alcoholic fatty liver disease (NAFLD) as the hepatic manifest of metabolic syndrome. METHODS: In the present randomized double-blind controlled trial, patients with NAFLD were daily supplemented with either 250 mg genistein (n = 41) or placebo (n = 41) for 8-weeks...
June 1, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28647191/pyrrolidine-dithiocarbamate-alleviates-the-anti-tuberculosis-drug-induced-liver-injury-through-jak2-stat3-signaling-pathway-an-experimental-study
#19
Hong Zhang, Yang Liu, Li-Kun Wang, Na Wei
OBJECTIVE: To study the effect of pyrrolidine dithiocarbamate (PDTC) on the anti-tuberculosis drug-induced liver injury and the molecular mechanism. METHODS: Clean male SD rats were selected as experimental animals and randomly divided into normal group, model group, PDTC group and AG490 group. Animal model of anti-tuberculosis drug-induced liver injury was established by intragastric administration isoniazid + rifampicin. PDTC group received intraperitoneal injection of PDTC, and AG490 group received intraperitoneal injection of AG490...
May 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28646721/biochemical-immunological-hybrid-biosensor-based-on-two-dimensional-chromatography-for-on-site-sepsis-diagnosis
#20
Seung-Wan Kim, Il-Hoon Cho, Guei-Sam Lim, Gi-Na Park, Se-Hwan Paek
A hybrid-biosensor system that can simultaneously fulfill the immunoassay for protein markers (e.g., C-reactive protein (CRP) and procalcitonin (PCT)) and the enzyme assay for metabolic substances (e.g., lactate) in the same sepsis-based sample has been devised. Such a challenge was pursued through the installation of an enzyme-reaction zone on the signal pad of the typical immuno-strip for the rapid two-dimensional (2-D)-chromatography test. To minimize the mutual interference in the hybrid assays, a pre-determined membrane site was etched in a pattern and mounted with a biochemical-reaction pad, thereby allowing a loaded sample to enter and then stay in the pad for a colored-signal production over the course of an immunoassay...
June 16, 2017: Biosensors & Bioelectronics
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