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https://www.readbyqxmd.com/read/28229279/immune-dysfunction-and-increased-oxidative-stress-state-in-diet-induced-obese-mice-are-reverted-by-nutritional-supplementation-with-monounsaturated-and-n-3-polyunsaturated-fatty-acids
#1
Caroline Hunsche, Oskarina Hernandez, Alina Gheorghe, Ligia Esperanza Díaz, Ascensión Marcos, Mónica De la Fuente
PURPOSE: Obesity is associated with impaired immune defences and chronic low levels of inflammation and oxidation. In addition, this condition may lead to premature aging. The aim of the study was to evaluate the effects of a nutritional supplementation with monounsaturated and n-3 polyunsaturated fatty acids on several functions and oxidative stress parameters in peritoneal immune cells of obese mice, as well as on the life span of these animals. METHODS: Obesity was induced in adult female ICR/CD1 by the administration of a high-fat diet (HFD) for 14 weeks...
February 23, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28223778/gancidin-w-a-potential-low-toxicity-antimalarial-agent-isolated-from-an-endophytic-streptomyces-suk10
#2
Noraziah Mohamad Zin, Mohd Shukri Baba, Abu Hassan Zainal-Abidin, Jalifah Latip, Noor Wini Mazlan, RuAngelie Edrada-Ebel
Endophytic Streptomyces strains are potential sources for novel bioactive molecules. In this study, the diketopiperazine gancidin W (GW) was isolated from the endophytic actinobacterial genus Streptomyces, SUK10, obtained from the bark of Shorea ovalis tree, and it was tested in vivo against Plasmodium berghei PZZ1/100. GW exhibited an inhibition rate of nearly 80% at 6.25 and 3.125 μg kg(-1) body weight on day four using the 4-day suppression test method on male ICR strain mice. Comparing GW at both concentrations with quinine hydrochloride and normal saline as positive and negative controls, respectively, 50% of the mice treated with 3...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28223216/mir-181c-restrains-nitration-stress-of-endothelial-cells-in-diabetic-db-db-mice-through-inhibiting-the-expression-of-foxo1
#3
Guangwei Yang, Yuanbo Wu, Shandong Ye
Endothelial dysfunction played an important role in the progression of diabetes mellitus (DM). miR-181c has been implicated in many diseases, including DM. However, the molecular mechanisms of miR-181c regulate this process remained poorly understood. Healthy ICR mice were divided into control group (n = 10) and db/db DM group (n = 10). The expression of miR-181c and FoxO1 were both investigated in diabetic db/db mice or high glucose-induced endothelial cells (MAECs and END-D). Here we found that down-regulation of miR-181c and the activation of FoxO1/iNOS were observed in mice and endothelial cells...
February 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28222836/presumptive-spontaneous-lysosomal-storage-like-disease-in-a-crl-cd1-icr-mouse
#4
Krista M Hernon, Tiffany L Whitcomb, Lori Davis, Timothy K Cooper
A clinically unremarkable 4.5-mo-old female Crl:CD1(ICR) VAF/Elite mouse was euthanized for scheduled sentinel processing. Gross necropsy findings included significant hepatosplenomegaly and visceral lymphadenomegaly, resulting in a preliminary gross diagnosis of lymphoma. Histology revealed florid accumulations of large, 'foamy' macrophages present in the bone marrow, small intestines, and viscera including liver, spleen, lymph nodes, thymus, uterus, and ovaries. The cytoplasm of these cells was abundant, stained pale blue with Wright-Giemsa and was periodic acid-Schiff positive...
February 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28220020/randomized-phase-ii-study-of-ramucirumab-or-icrucumab-in-combination-with-capecitabine-in-patients-with-previously-treated-locally-advanced-or-metastatic-breast-cancer
#5
Linda T Vahdat, Rachel Layman, Denise A Yardley, William Gradishar, Mohamad A Salkeni, Anil Abraham Joy, Agustin A Garcia, Patrick Ward, James Khatcheressian, Joseph Sparano, Gladys Rodriguez, Shande Tang, Ling Gao, Rita P Dalal, John Kauh, Kathy Miller
BACKGROUND: Icrucumab (ICR) and ramucirumab (RAM) bind vascular endothelial growth factor (VEGF) receptors 1 and 2 (VEGFR-1 and -2), respectively. This open-label, randomized phase II study evaluated their efficacy and safety in combination with capecitabine (CAP) in patients with previously treated unresectable, locally advanced or metastatic breast cancer. METHODS: Patients were randomly assigned (1:1:1) to receive CAP (1,000 mg/m(2) orally twice daily, days 1-14) alone or in combination with RAM (10 mg/kg intravenously [IV], days 1 and 8) (RAM + CAP) or ICR (12 mg/kg IV, days 1 and 8) (ICR + CAP) every 21 days...
February 20, 2017: Oncologist
https://www.readbyqxmd.com/read/28215801/differences-in-dom-of-rewetted-and-natural-peatlands-results-from-high-field-ft-icr-ms-and-bulk-optical-parameters
#6
Peter Herzsprung, Katja Osterloh, Wolf von Tümpling, Mourad Harir, Norbert Hertkorn, Philippe Schmitt-Kopplin, Ralph Meissner, Sabine Bernsdorf, Kurt Friese
Peatlands can be a potential source of dissolved organic matter (DOM) in fresh water catchment areas. The quantity and quality of DOM can differ between pristine, degraded and rewetted peatlands. Due to the large scale and continuing losses of peatlands, their conservation and restoration has been increasingly emphasized. Mostly rewetting measures are required to improve the hydrology of damaged peatlands, which is a precondition for the resettlement of peat-forming plant species. Thus, in term of DOM, there is a special need to understand how rewetting measures affect DOM characteristics and concentrations...
February 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28215484/establishment-and-characterization-of-a-new-human-acinar-cell-carcinoma-cell-line-faraz-icr-from-pancreas
#7
Marzieh Rezaei, Ahmad Hosseini, Saman Nikeghbalian, Abbas Ghaderi
OBJECTIVES: Basic research in the field of acinar cell carcinoma (ACC) as a rare neoplasm of the pancreas is dependent on the availability of pragmatic model such as new pancreatic cancer cell lines. Thus, establishment and characterization of new pancreatic cancer cell lines from ACC origin are deemed important. METHODS: Faraz-ICR cell line was derived from a 58-years old woman with pancreatic acinar cell carcinoma by the collagenase digestion protocol. We characterized the cell line by examining its morphology and cytostructural and functional profile...
February 8, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28214984/dl-3-n-butylphthalide-nbp-provides-neuroprotection-in-the-mice-models-after-traumatic-brain-injury-via-nrf2-are-signaling-pathway
#8
Zhengwei Liu, Handong Wang, Xiaofeng Shi, Liwen Li, Mengliang Zhou, Hui Ding, Youqing Yang, Xiang Li, Ke Ding
The present study was aimed to evaluate the neuroprotective effects of NBP in the mice models of TBI, as well as the possible role of Nrf2-ARE pathways in the assumptive neuroprotection. In mice,a modified Marmarou's weight-drop model was employed to induce TBI. ICR mice were randomly assigned to four experimental groups: sham, TBI, TBI+vehicle(V) and TBI+NBP. NBP (100 mg/kg) was administered via an intraperitoneal (i.p.) injection at 1 h following TBI. The administration of NBP significantly ameliorated the effects of the brain injury, including neurological deficits, brain water content, and cortical neuronal apoptosis...
February 18, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28214855/fatty-acid-binding-protein-4-in-endometrial-epithelium-is-involved-in-embryonic-implantation
#9
Peng Wang, Qiuyuan Zhu, Huilian Peng, Mengkai Du, Minyue Dong, Hanzhi Wang
AIMS: To clarify the role of fatty acid-binding protein 4 (FABP4) of endometrial epithelial cell in the establishment and maintenance of pregnancy and the involvement in the pathogenesis of pregnancy loss. METHODS: The expression of FABP4 and uterine receptive factor (LIF, Integrin-β3 and Claudin 4) was determined by Western blotting or quantitative PCR. FABP4 siRNA was used to silence FABP4 while FABP4 inhibitor was used to inhibit the function of FABP4 in endometrial epithelial cell...
January 30, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28213728/fourier-transform-ion-cyclotron-resonance-mass-spectrometry-at-the-cyclotron-frequency
#10
Konstantin O Nagornov, Anton N Kozhinov, Yury O Tsybin
The phenomenon of ion cyclotron resonance allows for determining mass-to-charge ratio, m/z, of an ensemble of ions by means of measurements of their cyclotron frequency, ω c . In Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS), the ω c quantity is usually unavailable for direct measurements: the resonant state is located close to the reduced cyclotron frequency (ω+), whereas the ω c and the corresponding m/z values may be calculated via theoretical derivation from an experimental estimate of the ω+ quantity...
February 17, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28213468/microencapsulation-of-lefty-secreting-engineered-cells-for-pulmonary-fibrosis-therapy-in-mice
#11
Hongge Ma, Shupei Qiao, Zeli Wang, Shuai Geng, Yufang Zhao, Xiaolu Hou, Weiming Tian, Xiongbiao Chen, Lifen Yao
Idiopathic pulmonary fibrosis (IPF) is a progressive disease that causes unremitting deposition of extracellular matrix proteins, thus resulting in distortion of the pulmonary architecture and impaired gas exchange. Associated with high morbidity and mortality, IPF is generally refractory to current pharmacological therapies. Lefty A, a potent inhibitor of transforming growth factor (TGF)-β signaling, has been shown to have promising antifibrotic ability in vitro for the treatment of renal fibrosis and other potential organ fibroses...
February 17, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28211759/gamma-tocopherol-supplementation-ameliorated-hyper-inflammatory-response-during-the-early-cutaneous-wound-healing-in-alloxan-induced-diabetic-mice
#12
Jihyun Shin, Soo Jin Yang, Yunsook Lim
Delayed wound healing is one of the major diabetic complications. During wound healing process, the early inflammatory stage is important for better prognosis. One of antioxidant nutrient, gamma-tocopherol (GT) is considered to regulate inflammatory conditions. This study investigated the effect of GT supplementation on mechanism associated with inflammation, oxidative stress, and apoptosis during early cutaneous wound healing in diabetic mice. Diabetes was induced by alloxan injection in ICR mice. All mice were divided into three groups: non-diabetic control mice (CON), diabetic control mice (DMC), and diabetic mice supplemented with GT (GT)...
March 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28205317/oxidative-stress-and-immunosenescence-in-spleen-of-obese-mice-can-be-reversed-by-2-hydroxyoleic-acid
#13
Alina Gheorghe, Fátima Pérez de Heredia, Caroline Hunsche, Noemí Redondo, Ligia Esperanza Díaz, Oskarina Hernández, Ascensión Marcos, Mónica De la Fuente
We aimed to investigate the effects of obesity on oxidative stress and leukocyte function in spleen of mice, and to assess whether supplementation with 2-hydroxyoleic acid (2-OHOA) or n-3 polyunsaturated fatty acids (PUFA) could reverse those effects. Female ICR/CD1 mice (8 weeks old, n = 24) received an obesogenic diet (22% fat for 4 weeks and 60% fat for 14 weeks). After 6 weeks, mice were split in three groups (n = 8/group): no supplementation, 2-OHOA supplementation (1500 mg kg(-1) ) and n-3 PUFA supplementation (EPA + DHA, 3000 mg kg(-1) diet)...
February 15, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28199114/curcumin-loaded-blood-stable-polymeric-micelles-for-enhancing-therapeutic-effect-on-erythroleukemia
#14
Feirong Gong, Dan Chen, Xin Teng, Junhua Ge, Xianfeng Ning, Ya-Ling Shen, Jian Li, Shanfeng Wang
Curcumin has high potential in suppressing many types of cancer and overcoming multidrug resistance in a multifaceted manner by targeting diverse molecular targets. However, the rather low systemic bioavailability resulted from its poor solubility in water and fast metabolism/excretion in vivo has hampered its applications in cancer therapy. To increase the aqueous solubility of curcumin while retaining the stability in blood circulation, here we report curcumin-loaded copolymer micelles with excellent in vitro and in vivo stability and antitumor efficacy...
February 22, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28193065/native-ms-analysis-of-bacteriorhodopsin-and-an-empty-nanodisc-by-orthogonal-acceleration-time-of-flight-orbitrap-and-ion-cyclotron-resonance
#15
Iain D G Campuzano, Huilin Li, Dhanashri Bagal, Jennifer L Lippens, Juraj Svitel, Robert J M Kurzeja, Han Xu, Paul D Schnier, Joseph A Loo
Over the past two decades, orthogonal acceleration time-of-flight has been the de facto analyzer for solution and membrane-soluble protein native mass spectrometry (MS) studies; this however is gradually changing. Three MS instruments are compared, the Q-ToF, Orbitrap, and the FT-ICR, to analyze, under native instrument and buffer conditions, the seven-transmembrane helical protein bacteriorhodopsin-octylglucoside micelle and the empty nanodisc (MSP1D1-Nd) using both MS and tandem-MS modes of operation. Bacteriorhodopsin can be released from the octylglucoside-micelle efficiently on all three instruments (MS-mode), producing a narrow charge state distribution (z = 8+ to 10+) by either increasing the source lens or collision cell (or HCD) voltages...
December 20, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/28192590/tomographic-findings-after-implantation-of-ferrara-intrastromal-corneal-ring-segments-in-keratoconus
#16
João Marcelo Lyra, Daniela Lyra, Guilherme Ribeiro, Leonardo Torquetti, Paulo Ferrara, Aydano Machado
PURPOSE: To analyze and compare changes to the anterior and posterior corneal surfaces after Ferrara intracorneal ring segment (ICRS) (AJL, Boecillo, Spain) implantation and to correlate those changes with visual outcomes. METHODS: This retrospective case series study comprised consecutive patients with keratoconus implanted with the Ferrara ICRS. Computed tomography scans of the two corneal surfaces were obtained preoperatively and postoperatively with a rotating Scheimpflug imaging system...
February 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28191757/cartilage-regeneration-in-osteoarthritic-patients-by-a-composite-of-allogeneic-umbilical-cord-blood-derived-mesenchymal-stem-cells-and-hyaluronate-hydrogel-results-from-a-clinical-trial-for-safety-and-proof-of-concept-with-7-years-of-extended-follow-up
#17
Yong-Beom Park, Chul-Won Ha, Choong-Hee Lee, Young Cheol Yoon, Yong-Geun Park
Few methods are available to regenerate articular cartilage defects in patients with osteoarthritis. We aimed to assess the safety and efficacy of articular cartilage regeneration by a novel medicinal product composed of allogeneic human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs). Patients with Kellgren-Lawrence grade 3 osteoarthritis and International Cartilage Repair Society (ICRS) grade 4 cartilage defects were enrolled in this clinical trial. The stem cell-based medicinal product (a composite of culture-expanded allogeneic hUCB-MSCs and hyaluronic acid hydrogel [Cartistem]) was applied to the lesion site...
February 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28187402/effect-of-thai-banana-musa-aa-group-in-reducing-accumulation-of-oxidation-end-products-in-uvb-irradiated-mouse-skin
#18
Nontaphat Leerach, Swanya Yakaew, Preeyawass Phimnuan, Wichuda Soimee, Wongnapa Nakyai, Witoo Luangbudnark, Jarupa Viyoch
SCOPE: Chronic UVB exposure causes skin disorders and cancer through DNA strand breaks and oxidation of numerous functional groups of proteins and lipids in the skin. In this study, we investigated the effects of Thai banana (Musa AA group, "Khai," and Musa ABB group, "Namwa") on the prevention of UVB-induced skin damage when fed to male ICR mice. METHODS AND RESULTS: Mice were orally fed banana (Khai or Namwa) fruit pulps at dose of 1mg/g body weight/day for 12weeks...
February 2, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28186141/spatial-variations-in-the-molecular-diversity-of-dissolved-organic-matter-in-water-moving-through-a-boreal-forest-in-eastern-finland
#19
Jun'ichiro Ide, Mizue Ohashi, Katsutoshi Takahashi, Yuko Sugiyama, Sirpa Piirainen, Pirkko Kortelainen, Nobuhide Fujitake, Keitaro Yamase, Nobuhito Ohte, Mina Moritani, Miyako Hara, Leena Finér
Dissolved organic matter (DOM) strongly affects water quality within boreal forest ecosystems. However, how the quality of DOM itself changes spatially is not well understood. In this study, to examine how the diversity of DOM molecules varies in water moving through a boreal forest, the number of DOM molecules in different water samples, i.e., rainwater, throughfall, soil water, groundwater, and stream water was determined using Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) in Norway spruce and Scots pine stands in eastern Finland during May and June 2010...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28185917/increment-of-late-sodium-currents-in-the-left-atrial-myocytes-and-its-potential-contribution-to-the-increased-susceptibility-of-atrial-fibrillation-in-castrated-male-mice
#20
Yang Zhang, Hui-Min Wang, Ying-Zhe Wang, Yi-Yuan Zhang, Xue-Xin Jin, Yue Zhao, Jin Wang, Yi-Lin Sun, Gen-Long Xue, Peng-Hui Li, Qi-He Huang, Bao-Feng Yang, Zhen-Wei Pan
BACKGROUND: The incidence of atrial fibrillation (AF) is correlated with the declined levels of testosterone in elder men. Late sodium current may exert a role in AF pathogenesis. OBJECTIVE: In this study we explored the effect of testosterone deficiency on AF susceptibility and the therapeutic effect of late sodium current inhibitors in mice. METHODS: Male ICR mice (5-week old) were castrated to establish testosterone deficiency model. One month after castration, dihydrotestosterone (5mg/kg) was administered subcutaneously for 2 months...
February 6, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
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