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https://www.readbyqxmd.com/read/28944964/wnt-%C3%AE-catenin-and-erk-pathway-activation-a-possible-mechanism-of-photobiomodulation-therapy-with-light-emitting-diodes-that-regulate-the-proliferation-of-human-outer-root-sheath-cells
#1
Jung E Kim, Young J Woo, Ki M Sohn, Kwan H Jeong, Hoon Kang
BACKGROUND: Outer root sheath cells (ORSCs) play important roles in maintaining hair follicle structure and provide support for the bulge area. The hair growth promoting effects of photobiomodulation therapy (PBMT) have been reported, but the mechanisms for this in human ORCs (hORSCs) have rarely been studied. OBJECTIVE: The aim of this study was to investigate the effect of various wavelengths of light-emitting diode (LED) irradiation on human ORSCs (hORSCs). METHODS: LED irradiation effects on hORSC proliferation and migration were examined with MTT assay, BrdU incorporation assay and migration assays...
September 25, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28944917/application-of-a-co%C3%A2-expression-network-for-the-analysis-of-aggressive-and-non%C3%A2-aggressive-breast-cancer-cell-lines-to-predict-the-clinical-outcome-of-patients
#2
Ling Guo, Kun Zhang, Zhitong Bing
Breast cancer metastasis is a demanding problem in clinical treatment of patients with breast cancer. It is necessary to examine the mechanisms of metastasis for developing therapies. Classification of the aggressiveness of breast cancer is an important issue in biological study and for clinical decisions. Although aggressive and non‑aggressive breast cancer cells can be easily distinguished among different cell lines, it is very difficult to distinguish in clinical practice. The aim of the current study was to use the gene expression analysis from breast cancer cell lines to predict clinical outcomes of patients with breast cancer...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28943487/risk-prediction-for-portal-vein-thrombosis-in-acute-pancreatitis-using-radial-basis-function
#3
Yang Fei, Jian Hu, Kun Gao, Jianfeng Tu, Wei Wang, Wei-Qin Li
OBJECTIVE: The aim of this study is to predict the risk of acute pancreatitis (AP)-induced portal vein thrombosis(PVT) by radical basis function (RBF) artificial neural networks (ANNs) model. METHODS: A retrospective or consecutive study of 426 individuals with AP at our unit between January 1(st) 2011 to July 31(st) 2016 was conducted. All individuals were subjected to RBF ANNs. Variables included age, gender, red blood cell specific volume (Hct), prothrombin time (PT), fasting blood glucose (FBG), D-Dimer, concentration of serum calcium ([Ca(2+)]), triglyceride (TG), serum amylase (AMY), acute physiology and chronic health evaluation II (APACHEII) score, and Ranson score...
September 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28943430/microrna-21-promotes-osteogenesis-of-bone-marrow-mesenchymal-stem-cells-via-the-smad7-smad1-5-8-runx2-pathway
#4
Xiaoyan Li, Lijia Guo, Yitong Liu, Yingying Su, Yongmei Xie, Juan Du, Jian Zhou, Gang Ding, Hao Wang, Yuxing Bai, Yi Liu
Bone marrow mesenchymal stem cells (BMMSCs) are pluripotent stem cells, and the osteogenic differentiation of BMMSCs has been drawing attention for a long time. Bone formation is regulated by numerous molecular and cellular signaling pathways, and the differentiation of BMMSCs is controlled by a well-defined genetic program. In the present study, we isolated BMMSCs from the bone cavities of wild-type (WT) and microRNA-21 knock-out (miR-21-KO) mice and found that miR-21 was significantly upregulated during the osteogenic differentiation of BMMSCs...
September 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28943392/an-integrative-analysis-of-chemically-induced-cirrhosis-associated-hepatocarcinogenesis-histological-biochemical-and-molecular-features
#5
Guilherme Ribeiro Romualdo, Tony Fernando Grassi, Renata Leme Goto, Mariana Baptista Tablas, Lucas Tadeu Bidinotto, Ana Angélica Henrique Fernandes, Bruno Cogliati, Luís Fernando Barbisan
This study aimed the integrative characterization of morphological, biochemical and molecular features of chemically-induced cirrhosis-associated hepatocarcinogenesis. Thus, male Wistar rats were submitted to a diethylnitrosamine (DEN)/thioacetamide (TAA)-induced model. Liver tissue was processed for global gene expression, histopathological and collagen evaluations; as well as immunohistochemical and oxidative stress analysis. Gene Ontology and functional analysis showed the upregulation of extracellular matrix deposition genes, such as collagen type I alpha 1 and 2 (Col1α1 and Col1α2) and tissue inhibitor of metalloproteinase 1 and 2 genes (Timp1 and Timp2)...
September 21, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28943226/influences-of-red-blood-cell-and-platelet-counts-on-the-distribution-and-elimination-of-crystalloid-fluid
#6
Robert G Hahn
BACKGROUND AND OBJECTIVE: A high number of blood cells increases the viscosity of the blood. The present study explored whether variations in blood cell counts are relevant to the distribution and elimination of infused crystalloid fluid. MATERIALS AND METHODS: On three different occasions, 10 healthy male volunteers received an intravenous infusion of 25mL/kg of Ringer's acetate, Ringer's lactate, and isotonic saline over 30min. Blood hemoglobin and urinary excretion were monitored for 4h and used as input in a two-volume kinetic model, using nonlinear mixed effects software...
August 3, 2017: Medicina
https://www.readbyqxmd.com/read/28943206/kaolinite-in-pharmaceutics-and-biomedicine
#7
REVIEW
Mahmoud E Awad, Alberto López-Galindo, Massimo Setti, Mahmoud M El-Rahmany, César Viseras Iborra
Kaolinite Al2Si2O5(OH)4 is an abundant and inexpensive geomaterial regarded as one of the most common clay minerals in the earth's crust and the most widespread phase among the other kaolin polymorphs (halloysite, dickite and nacrite). Structurally, it is a hydrous aluminum phyllosilicate member belonging to the dioctahedral 1:1 kaolin mineral group. The particle size of the pseudohexagonal kaolinite platelets is normally <2μm (if compared to a human red blood cell of a typical diameter 6.2-8.2μm or to a virus particle of about 50nm diameter)...
September 21, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28943001/melatonin-modulates-monochromatic-light-induced-melatonin-receptor-expression-in-the-hypothalamus-of-chicks
#8
Liwei Zhang, Funing Chen, Jing Cao, Yulan Dong, Zixu Wang, Yaoxing Chen
To study the mechanism of the effect of monochromatic light on physiological function in chicken, a total of 192 newly hatched chicks were randomly divided into intact, sham-operated and pinealectomy groups then exposed to white light (WL), red light (RL), green light (GL) and blue light (BL) using a light-emitting diode (LED) system for two weeks. At P14, the hypothalami were immediately collected for immunohistochemical staining of melatonin receptor subtypes (Mel1a and Mel1b) and detection of Mel1a and Mel1b expressions using RT-PCR and western blot...
September 21, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28942957/increased-circulating-blood-cell-counts-in-combat-related-ptsd-associations-with-inflammation-and-ptsd-severity
#9
Daniel Lindqvist, Synthia H Mellon, Firdaus S Dhabhar, Rachel Yehuda, S Marlene Grenon, Janine D Flory, Linda M Bierer, Duna Abu-Amara, Michelle Coy, Iouri Makotkine, Victor I Reus, Kirstin Aschbacher, F Saverio Bersani, Charles R Marmar, Owen M Wolkowitz
Inflammation is reported in post-traumatic stress disorder (PTSD). Few studies have investigated circulating blood cells that may contribute to inflammation. We assessed circulating platelets, white blood cells (WBC) and red blood cells (RBC) in PTSD and assessed their relationship to inflammation and symptom severity. One-hundred and sixty-three male combat-exposed veterans (82 PTSD, 81 non-PTSD) had blood assessed for platelets, WBC, and RBC. Data were correlated with symptom severity and inflammation. All cell counts were significantly elevated in PTSD...
August 24, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28942500/evaluation-of-immunostimulatory-and-immunotherapeutic-effects-of-tropical-mushroom-lentinus-edodes-against-eimeriasis-in-chicken
#10
Muhammad Irfan Ullah, Masood Akhtar, Mian Muhammad Awais, Muhammad Irfan Anwar, Kashfa Khaliq
Mushrooms (Lentinus edodes) were processed for hot water (HWE), methanolic (ME), and polysaccharide (PSE) extracts. Polysaccharides were isolated through ion exchange (DEAE cellulose) and size exclusion (Sephadex G-100) chromatography. Monosaccharides including maltose (0.282%), glucose (0.113%), and mannose (0.451%) were identified, qualitatively and quantitatively, from the isolated polysaccharides through high-performance liquid chromatography. The whole study was divided into two experiments. Experiment 1 was meant for the evaluation of HWE and ME; whereas, experiment 2 was meant for the evaluation of PSE for immunostimulatory and immunotherapeutic activities...
September 24, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28942300/annular-stenotic-oesophageal-squamous-cell-carcinoma-in-cattle-exposed-naturally-to-bracken-fern-pteridium-arachnoideum
#11
T C Faccin, E K Masuda, J V M Piazer, S M P Melo, G D Kommers
Oesophageal squamous cell carcinomas (SCCs) may be observed as exophytic masses or ulcerative or infiltrative endophytic neoplasms. However, in cattle, there is also an uncommon gross presentation as an annular stenotic thickening of the oesophageal wall. Thirteen cases of annular stenotic oesophageal SCC in cattle grazing in bracken fern (Pteridium arachnoideum) areas are reported. The lesions consisted of endophytic masses, focally extensive, firm and circumferential (annular) in the oesophageal wall. Pronounced wrinkling of the mucosa, with retracted uneven areas and subsequent luminal narrowing (stenosis), was observed in all cases...
August 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28942066/application-of-mixed-organic-cation-for-high-performance-hole-conductor-free-perovskite-solar-cells
#12
Meng Xiao, Li Zhao, Shoubin Wei, Yanyan Li, Binghai Dong, Zuxun Xu, Li Wan, Shimin Wang
ABX3-type organic lead halide perovskites have gained increasing attention as light harvester for solar cells due to their high power conversion efficiency (PCE). Recently, it has become a trend to avoid the use of expensive hole-transport materials (HTMs) and precious metals, such as Au, to be competitive in future commercial development. In this study, we fabricated mixed-cation perovskite-based solar cells through one-step spin-coating using methylammonium (CH3NH3(+)) and formamidinium (HN=CHNH3(+)) cations to extend the optical absorption range into the red region and enhance the utilization of solar light...
September 15, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28941809/lc-hrms-based-metabolomic-approach-for-the-detection-of-cera-s-effects-in-horse-doping-control
#13
Céline Joré, Benoît Loup, Patrice Garcia, Anne-Christelle Paris, Marie-Agnès Popot, Michel Audran, Yves Bonnaire, Emmanuelle Varlet-Marie, Ludovic Bailly-Chouriberry
Erythropoiesis Stimulating Agents (ESAs) were developed for therapeutic purposes to stimulate red blood cell (RBC) production. Consequently, tissue oxygenation is enhanced as athlete's endurance and ESAs misuse now benefits doping. Our hypothesis is that most of ESAs should have similar mechanisms and thus have the same effects on metabolism. Studying the metabolome variations could allow suspecting the use of any ESAs with a single method by targeting their effects. In this objective, a metabolomic study was carried out on 3 thoroughbred horses with a single administration of 4...
September 14, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28941246/photoluminescence-lifetime-imaging-of-newly-synthesized-proteins-in-living-cells-with-iridium-alkyne-probe
#14
Xinrong Zhang, Jinyu Wang, Jie Xue, Zihe Yan, Sichun Zhang, Juan Qiao
Designing probes for real-time imaging of dynamic processes in living cells is a continual challenge. Herein, a novel near-infrared photoluminescence probe with long lifetime was exploited for photoluminescence lifetime imaging (PLIM) based on an Iridium-alkyne complex. This probe offers benefits of desirable deep-red to NIR emission, long stokes shift, excellent cell penetration, low cytotoxicity and good resistance to photobleaching. To the best of our knowledge this is the first PLIM probe applicable to click reaction of Cu(I)-catalysed azide-alkyne cycloaddition with remarkable lifetime shifts of 414 ns before and after click reaction...
September 23, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28941022/endoglin-in-human-liver-disease-and-murine-models-of-liver-fibrosis-a-protective-factor-against-liver-fibrosis
#15
Muhammad Alsamman, Viktor Sterzer, Steffen Klaus Meurer, Hacer Sahin, Ute Schäper, Deniz Kuscuoglu, Pavel Strnad, Ralf Weiskirchen, Christian Trautwein, David Scholten
BACKGROUND & AIMS: Liver fibrosis is the outcome of chronic liver injury. TGF-β is a major profibrogenic cytokine modulating hepatic stellate cell (HSC) activation and extracellular matrix homeostasis. This study analyzes the effect of Endoglin (Eng), a TGF-β type III auxiliary receptor, on fibrogenesis in two models of liver injury by HSC specific endoglin deletion. METHODS: Eng expression was measured in human and murine samples of liver injury. After generating (GFAPC)(re(+)) Eng(Δ)(HSC) mice the impact of Endoglin deletion on chronic liver fibrosis was analyzed...
September 20, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28940786/cornerstones-of-patient-blood-management-in-surgery
#16
REVIEW
A Butcher, T Richards
Pre-operative anaemia and perioperative red blood cell transfusion carry significant consequence when it comes to surgical outcomes. The establishment of patient-centred clinical pathways has been designed to harness and endorse good transfusion practice, termed the three pillars of patient blood management (PBM). These focus on the timely and appropriate management of anaemia, prevention of blood loss and restrictive transfusion where appropriate. This article reviews the current evidence and ongoing research in the field of PBM in surgery...
September 22, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28940550/evaluation-of-combined-extracorporeal-life-support-and-continuous-renal-replacement-therapy-on-hemodynamic-performance-and-gaseous-microemboli-handling-ability-in-a-simulated-neonatal-ecls-system
#17
Kaitlyn R Shank, Elizabeth Profeta, Shigang Wang, Christian O'Connor, Allen R Kunselman, Karl Woitas, John L Myers, Akif Ündar
The objective of this study was to evaluate the hemodynamic performance and gaseous microemboli (GME) handling ability of a simulated neonatal extracorporeal life support (ECLS) circuit with an in-line continuous renal replacement therapy (CRRT) device. The circuit consisted of a Maquet RotaFlow centrifugal pump or HL20 roller pump, Quadrox-iD Pediatric diffusion membrane oxygenator, 8-Fr arterial cannula, 10-Fr venous cannula, and Better-Bladder (BB) with "Y" connector. A second Quadrox-I Adult oxygenator was added postarterial cannula for GME experiments...
September 21, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28940540/successful-kidney-transplantation-in-a-patient-with-congenital-thrombotic-thrombocytopenic-purpura-upshaw-schulman-syndrome
#18
Hasan Fattah, Dhiren Kumar, James N George, H Davis Massey, Anne L King, Kenneth D Friedman, Gaurav Gupta
BACKGROUND: Congenital thrombotic thrombocytopenic purpura (TTP) may not be recognized until organ failure related to the microvascular thrombosis occurs. Kidney failure may be the initial presenting clinical feature. Kidney transplantation has been contraindicated because of the assumption that the continuing microvascular thrombosis will cause inevitable graft failure. CASE REPORT: We report a 48-year-old nulliparous woman who presented with end-stage kidney disease that was attributed to hypertension...
September 20, 2017: Transfusion
https://www.readbyqxmd.com/read/28940437/analysis-of-argonaute-2-microrna-complexes-in-ex-vivo-stored-red-blood-cells
#19
Long Vu, Viswanath Ragupathy, Sandhya Kulkarni, Chintamani Atreya
BACKGROUND: Human enucleated mature red blood cells (RBCs) contain both mature microRNAs (miRNAs) and mRNAs, and we have previously correlated RBC storage lesion processes such as eryptosis, adenosine 5'-triphosphate loss, and RBC indices with differentially expressed miRNAs. Here we have characterized Argonaute 2 (AGO2)-miRNA complexes in stored mature RBCs as a first step toward understanding their role, if any. STUDY DESIGN AND METHODS: In this report AGO2-bound miRNAs in mature RBCs isolated from RBCs collected from three different healthy donors and stored for 24 hours at 4 to 6°C were identified by anti-AGO2 immunoprecipitation (IP) followed by next-generation sequencing of the RNA isolated from the IP...
September 20, 2017: Transfusion
https://www.readbyqxmd.com/read/28940334/uncovering-a-third-dissolved-phase-129-xe-resonance-in-the-human-lung-quantifying-spectroscopic-features-in-healthy-subjects-and-patients-with-idiopathic-pulmonary-fibrosis
#20
Scott H Robertson, Rohan S Virgincar, Elianna A Bier, Mu He, Geoffrey M Schrank, Rose Marie Smigla, Craig Rackley, H Page McAdams, Bastiaan Driehuys
PURPOSE: The purpose of this work was to accurately characterize the spectral properties of hyperpolarized (129) Xe in patients with idiopathic pulmonary fibrosis (IPF) compared to healthy volunteers. METHODS: Subjects underwent hyperpolarized (129) Xe breath-hold spectroscopy, during which 38 dissolved-phase free induction decays (FIDs) were acquired after reaching steady state (echo time/repetition time = 0.875/50 ms; bandwidth = 8.06 kHz; flip angle≈22 °)...
October 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
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