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https://www.readbyqxmd.com/read/29310566/analysis-of-oxidative-stress-related-markers-in-critically-ill-polytrauma-patients-an-observational-prospective-single-center-study
#1
Mihai Sandesc, Alexandru Florin Rogobete, Ovidiu Horea Bedreag, Anca Dinu, Marius Papurica, Carmen Alina Cradigati, Mirela Sarandan, Sonia Elena Popovici, Lavinia Melania Bratu, Tiberiu Bratu, Adrian Tudor Stan, Dorel Sandesc
Critically ill polytrauma patients have increased production of free radicals (FRs) and consequent alterations in biochemical pathways, as well as disruption of cellular integrity, due to increased lipid peroxidation. The aim of this study was to investigate several biomarkers associated with increased oxidative stress in critically ill polytrauma patients, and to evaluate the effect of antioxidant treatment on the clinical outcome in these patients. A total of 67 polytrauma patients from an intensive care unit met the selection criteria...
January 9, 2018: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29305143/bleeding-complications-after-use-of-novel-oral-anticoagulants-in-patients-undergoing-cardiac-surgery
#2
Kambiz Hassan, Nikolai Bayer, Friederike Schlingloff, Martin Oberhoffer, Peter Wohlmuth, Michael Schmoeckel, Stephan Geidel
BACKGROUND: To analyze the results of open-heart surgery and bleeding complications after administration of novel oral anticoagulants (NOAC). METHODS: We investigated 81 consecutive patients (age: 74 [IQR 68, 78] years) who underwent open-heart operations at our institution between July 2014 and June 2016. All patients presented for surgery while on NOAC therapy: 37 had Rivaroxaban (45.7%), 35 Apixaban (43.2%) and 9 Dabigatran (11.1%). The calculated risk, using the European System for Cardiac Operative Risk Evaluation II, was 3...
January 2, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29295645/favorable-immune-signature-in-cll-patients-defined-by-antigen-specific-t-cell-responses-might-prevent-second-skin-cancers
#3
Juliane Sarah Walz, Daniel Johannes Kowalewski, Linus Backert, Annika Nelde, Oliver Kohlbacher, Benjamin Weide, Lothar Kanz, Helmut Rainer Salih, Hans-Georg Rammensee, Stefan Stevanović
The course of chronic lymphocytic leukemia (CLL), inducing an immunosuppressed state that also affects T cells as central components of adaptive immunity, predisposes patients to develop second malignancies with skin cancer being the most common. Recently, we found that prevalence of memory T cells with specificity for CLL-associated antigens defined by mass spectrometry-based immunopeptidome analysis correlated with a significant survival benefit. Here, we analyzed our CLL patient cohort for second skin (pre)malignancies and found a significantly lower incidence of skin cancer in the patients showing immune responses to CLL-associated antigens...
January 3, 2018: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29286221/prognostic-significance-of-indicators-of-systemic-inflammatory-responses-in-glioblastoma-patients
#4
Vildan Kaya, Mustafa Yıldırım, Gözde Yazıcı, Ayşen Yeşim Yalçın, Nuri Orhan, Aslan Güzel
Background: High-grade gliomas, with glioblastomas as the most frequently observed histologic subtype, are the most common primary brain tumours in adults. It is considered that inflammatory responses play a major role in malignancies, including tumour progression. This study aimed to determine the prognostic significance of the neutrophil to lymphocyte ratio (NLR) and the thrombocyte to lymphocyte ratio (PLR) as indicators of systemic inflammatory response (SIR) in glioblastoma patients. Methods: A total of 90 patients treated for glioblastoma were retrospectively evaluated...
December 29, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29285572/characteristics-and-diagnoses-of-acute-headache-in-pregnant-women-a-retrospective-cross-sectional-study
#5
Bianca Raffaelli, Eberhard Siebert, Jeannette Körner, Thomas Liman, Uwe Reuter, Lars Neeb
BACKGROUND: Acute headache is one of the most frequent neurological symptoms in pregnant women. The early diagnosis of underlying secondary conditions has a major influence on patient outcome, especially in emergency settings. However, at the time being no well-established guideline for diagnostic evaluation of acute headache during pregnancy exists. In this study, we aimed to characterize acute headache in pregnant women concerning demographic, clinical, and diagnostic features, and to determine predictors of secondary headache...
December 4, 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/29224120/spontaneous-cervical-artery-dissection-is-accompanied-by-a-hypercoagulable-state-and-simultaneous-inflammatory-condition
#6
Johann Otto Pelz, Kristian Harms, Michael Metze, Dominik Michalski
BACKGROUND: Spontaneous cervical artery dissections (sCAD) are often preceded by infections. However, existing data about inflammatory parameters remained inconsistent. Remarkably, concurrent information about the coagulation system, whose affection seems also reasonable to cause ischaemic events, are still lacking in sCAD patients. Thus, this study explores the association between the inflammatory and coagulation system in patients with sCAD. METHODS: The parameters leukocyte and thrombocyte count, C-reactive protein, fibrinogen, D-dimer, activated partial thromboplastin time (aPTT) and prothrombin time were extracted from hospital-based medical records of patients (n = 60) with sCAD and compared with those of a control group (n = 97) from a prospective observational stroke study...
December 9, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29221978/influence-of-6-hydroxyethyl-starch-130-0-4-versus-crystalloid-solution-on-structural-renal-damage-markers-after-coronary-artery-bypass-grafting-a-post-hoc-subgroup-analysis-of-a-prospective-trial
#7
Thomas Datzmann, Markus Hoenicka, Helmut Reinelt, Andreas Liebold, Hagen Gorki
OBJECTIVE: The restriction of hydroxyethyl starch (HES) has mandated changes in volume management based on data of critically ill patients. Reliable data of structural renal damage after HES treatment in cardiac surgical patients are lacking. The influence of 6% HES 130/0.4 was investigated in this study. DESIGN: An exploratory post hoc subgroup analysis of a prospective trial was performed. SETTING: The study was carried out at a university hospital...
May 25, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29209887/the-relationship-between-hematological-parameters-and-prognosis-of-children-with-acute-ischemic-stroke
#8
Ebru Yilmaz, Ayse Bayram Kacar, Adil Bozpolat, Gokmen Zararsiz, Burcu S Gorkem, Musa Karakukcu, Turkan Patiroglu, Hakan Gumus, Mehmet Akif Ozdemir, Alper Ozcan, Huseyin Per, Ekrem Unal
BACKGROUND: Stroke is rarely seen in children, but it is a major cause of morbidity and mortality. Therefore, there is a need for inexpensive and noninvasive diagnostic methods for estimating the prognosis. Although the prognostic importance of hematological parameters in acute ischemic stroke were reported in adult studies, there is a lack in pediatric ages. The aim of the study is to investigate the relationship between hematological parameters and prognosis of acute ischemic stroke in children...
December 5, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29203267/the-significance-of-diminished-stweak-and-p-selectin-content-in-platelets-of-patients-with-pulmonary-arterial-hypertension
#9
Remigiusz Kazimierczyk, Piotr Błaszczak, Krzysztof Kowal, Małgorzata Jasiewicz, Małgorzata Knapp, Anna Szpakowicz, Katarzyna Ptaszyńska-Kopczyńska, Bożena Sobkowicz, Ewa Waszkiewicz, Ryszard Grzywna, Włodzimierz J Musial, Karol A Kamiński
Pulmonary arterial hypertension (PAH) is a progressive disease characterized by proliferative changes in pulmonary arteries. There is growing evidence suggesting that soluble tumor necrosis factor-like weak inducer of apoptosis (sTWEAK) and P-selectin could be involved in PAH development and progression. Here we investigate whether circulating platelets may be a source of sTWEAK and contribute to diminished availability of sTWEAK and P-selectin in PAH patients. We have prospectively enrolled two independent study groups of stable patients with confirmed PAH and age matched controls: derivation (10 PAH; 15 controls) and validation (20 PAH; 12 controls)...
December 1, 2017: Cytokine
https://www.readbyqxmd.com/read/29191795/glucan-mos%C3%A2-improved-growth-and-innate-immunity-in-pacu-stressed-and-experimentally-infected-with-aeromonas-hydrophila
#10
Michelly Pereira Soares, Fulvia Cristina Oliveira, Israel Luz Cardoso, Elisabeth Criscuolo Urbinati, Cristiane Meldau de Campos, Hamilton Hisano
We tested the efficacy of a commercial product (Glucan-MOS®) derived from yeast Saccharomyces cerevisiae, containing two combined products, β-1,3-1,6 glucans and mannans on the growth, feed efficiency, stress and innate immune responses of juvenile pacu (Piaractus mesopotamicus) after a stressful handling and bacterial inoculation. For this, we evaluated the serum cortisol and plasma glucose levels, the respiratory activity of leukocytes, the serum lysozyme levels, as well as the number of circulating erythrocytes and leukocytes of fish fed during 30 days with diets containing increased levels of Glucan-MOS (0...
November 27, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29183152/marathon-running-increases-circulating-endothelial-and-thrombocyte-derived-microparticles
#11
Viktoria Schwarz, Philip Düsing, Thomas Liman, Christian Werner, Juliane Herm, Katrin Bachelier, Matthias Krüll, Lars Brechtel, Gerhard J Jungehulsing, Wilhelm Haverkamp, Michael Böhm, Matthias Endres, Karl Georg Haeusler, Ulrich Laufs
Background Acute vascular effects of high intensity physical activity are incompletely characterized. Circulating microparticles are cellular markers for vascular activation and damage. Methods Microparticles were analysed in 99 marathon runners (49 ± 6 years, 22% female) of the prospective Berlin Beat of Running study. Blood samples were taken within three days before, immediately after and within two days after the marathon run. Endothelial-derived microparticles were labelled with CD144, CD31 and CD62E, platelet-derived microparticles with CD62P and CD42b, leukocyte-derived microparticles with CD45 and monocyte-derived microparticles with CD14...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29178313/association-of-insulin-like-growth-factor-1-bone-mass-and-inflammation-to-low-energy-distal-radius-fractures-and-fracture-healing-in-elderly-women-attending-emergency-care
#12
Simona I Chisalita, Lee Ti Chong, Maciej Wajda, Lars Adolfsson, Mischa Woisetschläger, Anna Spångeus
OBJECTIVE: Elderly patients suffer fractures through low-energy mechanisms. The distal radius is the most frequent fracture localization. Insulin-like growth factor-1 (IGF1) plays an important role in the maintenance of bone mass and its levels decline with advancing age and in states of malnutrition. Our aim was to investigate the association of IGF1 levels, bone mass, nutritional status, and inflammation to low-energy distal radius fractures and also study if fracture healing is influenced by IGF1, nutritional status, and inflammation...
November 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29174701/tadpoles-fed-supplemented-diet-with-probiotic-bacterium-isolated-from-the-intestinal-tract-of-bullfrog-lithobates-catesbeianus-haematology-cell-activity-and-electron-microscopy
#13
S A Pereira, G T Jerônimo, N C Marchiori, H M Oliveira, G F A Jesus, E C Schmidt, Z L Bouzon, F N Vieira, M L Martins, J L P Mouriño
The aim of this study is to select and isolate autochthonous bacteria with probiotic potential for use in a supplemented diet for bullfrog tadpoles, Lithobates catesbeianus. A total of 20 strains of lactic acid bacteria were isolated. Nine out of these were used in the following in vitro assays: antagonism against pathogenic bacteria (ANT), antimicrobial activity from extracellular compounds (MIC), tolerance to bile salts (TBS), pH reduction, protease production, sensitivity to antimicrobial tetracycline, cell viability, growth rate and doubling time...
November 23, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29170810/correlation-study-between-osteoporosis-and-hematopoiesis-in-the-context-of-adjuvant-chemotherapy-for-breast-cancer
#14
Frédérica Schyrr, Anita Wolfer, Jérôme Pasquier, Anne-Laure Nicoulaz, Olivier Lamy, Olaia Naveiras
This retrospective study attempts to establish if a correlation exists between osteoporosis and hematopoiesis before and after adjuvant chemotherapy in the context of non-metastatic breast cancer. Osteoporosis is interpreted both as a direct marker of osteoblastic decline and as an indirect marker of increased bone marrow adiposity within the hematopoietic microenvironment. Patients from the "Centre du Sein" at CHUV (Centre Hospitalier Universitaire Vaudois) undergoing adjuvant chemotherapy were included in this study...
November 23, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/29153694/evaluation-of-bone-marrow-function-with-immature-platelet-fraction-in-normal-pregnancy
#15
Ulrike Ratsch, Thorsten Kaiser, Holger Stepan, Alexander Jank
BACKGROUND: Bone marrow function in pregnancy is influencing blood cell concentration of platelets. The steady state of consumption, recovery and production of platelets is essential for coagulation and bleeding prevention. Reticulated platelets are an intermediate form of thrombocytes during thrombopoiesis representing platelet production. The immature platelet fraction (IPF) represents these platelets as percentage of all thrombocytes. Until now, there is little knowledge on IPF during pregnancy...
October 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29149721/biological-safety-and-tissue-distribution-of-16-mercaptohexadecyl-trimethylammonium-bromide-modified-cationic-gold-nanorods
#16
Monika Zarska, Michal Sramek, Filip Novotny, Filip Havel, Andrea Babelova, Blanka Mrazkova, Oldrich Benada, Milan Reinis, Ivan Stepanek, Kamil Musilek, Jiri Bartek, Monika Ursinyova, Ondrej Novak, Rastislav Dzijak, Kamil Kuca, Jan Proska, Zdenek Hodny
The exceptionally high cellular uptake of gold nanorods (GNRs) bearing cationic surfactants makes them a promising tool for biomedical applications. Given the known specific toxic and stress effects of some preparations of cationic nanoparticles, the purpose of this study was to evaluate, in an in vitro and in vivo in mouse, the potential harmful effects of GNRs coated with (16-mercaptohexadecyl)trimethylammonium bromide ((MTAB)GNRs). Interestingly, even after cellular accumulation of high amounts of (MTAB)GNRs sufficient for induction of photothermal effect, no genotoxicity (even after longer-term accumulation), induction of autophagy, destabilization of lysosomes (dominant organelles of their cellular destination), alterations of actin cytoskeleton, or in cell migration could be detected in vitro...
November 1, 2017: Biomaterials
https://www.readbyqxmd.com/read/29134526/mucociliary-transport-differential-white-blood-cells-and-cyto-genotoxicity-in-peripheral-erythrocytes-in-fish-from-a-polluted-urban-pond
#17
Edison Bezerra da Silva, Sandra Aparecida da Silva Corrêa, Denis Moledo de Souza Abessa, Bruno Ferreira Xavier da Silva, Dolores Helena Rodriguez Ferreira Rivero, Robson Seriani
The present study evaluated the water quality of a polluted pond through the analysis of in vitro mucociliary transport, hematological parameters, and biomarkers of cyto-genotoxicity in the Nile tilapia (Oreochromis niloticus). Blood and mucus samples were collected from ten specimens from the polluted pond and from ten specimens from a control area. The fish were anesthetized with 3% benzocaine, mucus was collected directly from the gills, and blood was drawn from the caudal artery. Blood smears were stained using the May-Grünwald Giemsa process for the differential leukocyte counts and to determine the frequency of leukocytes, thrombocytes, erythroblasts, micronuclei, and nuclear abnormalities...
November 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29127144/disruption-of-thrombocyte-and-t-lymphocyte-development-by-a-mutation-in-arpc1b
#18
Raz Somech, Atar Lev, Yu Nee Lee, Amos J Simon, Ortal Barel, Ginette Schiby, Camila Avivi, Iris Barshack, Michele Rhodes, Jiejing Yin, Minshi Wang, Yibin Yang, Jennifer Rhodes, Nufar Marcus, Ben-Zion Garty, Jerry Stein, Ninette Amariglio, Gideon Rechavi, David L Wiest, Yong Zhang
Regulation of the actin cytoskeleton is crucial for normal development and function of the immune system, as evidenced by the severe immune abnormalities exhibited by patients bearing inactivating mutations in the Wiskott-Aldrich syndrome protein (WASP), a key regulator of actin dynamics. WASP exerts its effects on actin dynamics through a multisubunit complex termed Arp2/3. Despite the critical role played by Arp2/3 as an effector of WASP-mediated control over actin polymerization, mutations in protein components of the Arp2/3 complex had not previously been identified as a cause of immunodeficiency...
December 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29125377/intraflagellar-transport-proteins-are-involved-in-thrombocyte-filopodia-formation-and-secretion
#19
Uvaraj Radhakrishnan, Abdullah Alsrhani, Hemalatha Sundaramoorthi, Gauri Khandekar, Meghana Kashyap, Jannon L Fuchs, Brian D Perkins, Yoshihiro Omori, Pudur Jagadeeswaran
Intraflagellar transport (IFT) proteins are vital for the genesis and maintenance of cilia. Our identification of ift122 transcripts in zebrafish thrombocytes that lack primary cilia was unexpected. IFT proteins serve transport in cilia, whose narrow dimensions may have necessitated the evolution of IFT from vesicular transport in ancestral eukaryotes. We hypothesized that IFTs might also facilitate transport within the filopodia that form when thrombocytes are activated. To test this possibility, we knocked down ift122 expression by injecting antisense Morpholino oligonucleotides (MOs) into zebrafish embryos...
November 10, 2017: Platelets
https://www.readbyqxmd.com/read/29099870/intravital-longitudinal-wide-area-imaging-of-dynamic-bone-marrow-engraftment-and-multilineage-differentiation-through-nuclear-cytoplasmic-labeling
#20
Soyeon Ahn, Kibaek Choe, Seunghun Lee, Kangsan Kim, Eunjoo Song, Howon Seo, Injune Kim, Pilhan Kim
Bone marrow is a vital tissue that produces the majority of erythrocytes, thrombocytes, and immune cells. Bone marrow transplantation (BMT) has been widely performed in patients with blood disorders and cancers. However, the cellular-level behaviors of the transplanted bone marrow cells over wide-areas of the host bone marrow after the BMT are not fully understood yet. In this work, we performed a longitudinal wide-area cellular-level observation of the calvarial bone marrow after the BMT in vivo. Using a H2B-GFP/β-actin-DsRed double-transgenic mouse model as a donor, a subcellular-level nuclear-cytoplasmic visualization of the transplanted bone marrow cells was achieved, which enabled a direct in vivo dynamic monitoring of the distribution and proliferation of the transplanted bone marrow cells...
2017: PloS One
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