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https://www.readbyqxmd.com/read/28922716/quaternary-ammonium-groups-modified-starch-microspheres-for-instant-hemorrhage-control
#1
Fangping Chen, Xiaoyan Cao, Junxia Yu, Huantong Su, Shuda Wei, Hua Hong, Changsheng Liu
Instant rapid hemostasis is crucial not only for decreasing mortality in these conditions, but also for optimal recovery. The hemostatic agents on the market suffer from inefficiency hemostasis, nondegradability, high cost and potential safety issues. It is necessary to develop a hemostatic agent with rapid hemostatic performance, potent biodegradation and improved biocompatibility. The aim of this work was to develop a novel type of cationic modified starch microspheres (CS) and investigate its hemostatic performance...
August 24, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28922704/direct-acting-antivirals-for-chronic-hepatitis-c
#2
REVIEW
Janus C Jakobsen, Emil Eik Nielsen, Joshua Feinberg, Kiran Kumar Katakam, Kristina Fobian, Goran Hauser, Goran Poropat, Snezana Djurisic, Karl Heinz Weiss, Milica Bjelakovic, Goran Bjelakovic, Sarah Louise Klingenberg, Jian Ping Liu, Dimitrinka Nikolova, Ronald L Koretz, Christian Gluud
BACKGROUND: Millions of people worldwide suffer from hepatitis C, which can lead to severe liver disease, liver cancer, and death. Direct-acting antivirals (DAAs), e.g. sofosbuvir, are relatively new and expensive interventions for chronic hepatitis C, and preliminary results suggest that DAAs may eradicate hepatitis C virus (HCV) from the blood (sustained virological response). Sustained virological response (SVR) is used by investigators and regulatory agencies as a surrogate outcome for morbidity and mortality, based solely on observational evidence...
September 18, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28922660/mitochondrial-dysfunction-and-altered-renal-metabolism-in-dahl-salt-sensitive-rats
#3
Zhengjun Wang, Qiong Sun, Na Sun, Mingyu Liang, Zhongmin Tian
BACKGROUND/AIMS: The kidney plays a critical role in the control of blood pressure and its elevation in salt-induced hypertension. Mitochondrial dysfunction, especially in energy metabolism, has been associated with hypertension. Here, we aimed to investigate mitochondrial function and metabolic features in renal mitochondria of Dahl salt-sensitive (SS) rats to gain further insight into the relationship between mitochondrial metabolism and predisposition to hypertension. METHODS: In this study, SS rats fed low-salt (LS) or high-salt (HS) diets were used to investigate mitochondrial function and metabolism including mitochondrial enzyme activities, pyridine nucleotides, metabolites, and oxidative stress by biochemical analysis and gas chromatography-mass spectrometer (GC-MS)...
September 19, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28922626/the-typhi-colonization-factor-tcf-is-encoded-by-multiple-non-typhoidal-salmonella-serovars-but-exhibits-a-varying-expression-profile-and-interchanging-contribution-to-intestinal-colonization
#4
Shalhevet Azriel, Alina Goren, Inna Shomer, Gili Aviv, Galia Rahav, Ohad Gal-Mor
Salmonella enterica serovars Typhi and Paratyphi A are human-restricted pathogens and the leading causative agents of enteric fever. The Typhi colonization factor (Tcf) is a chaperone-usher fimbria, thought to play a role in the host-specificity of typhoidal serovars. Here we show that the tcf cluster (tcfABCD tinR tioA) is present in at least 25 non-typhoidal Salmonella (NTS) serovars and demonstrate its native expression in clinically-important serovars including Schwarzengrund, 9,12:l,v:-, Choleraesuis, Bredeney, Heidelberg, Montevideo, Virchow and Infantis...
September 18, 2017: Virulence
https://www.readbyqxmd.com/read/28922488/isolation-of-rhodotorula-mucilaginosa-from-blood-cultures-in-a-tertiary-care-hospital
#5
Iker Falces-Romero, Emilio Cendejas-Bueno, María Pilar Romero-Gómez, Julio García-Rodríguez
BACKGROUND: Rhodotorula species have traditionally been considered as one of common non-virulent environmental inhabitant. They have emerged as an opportunistic pathogen, particularly in immunocompromised hosts and most infections have been associated with intravenous catheters in these patients. OBJECTIVE: We review the isolates in blood cultures of Rhodotorula mucilaginosa in our Hospital. We describe the demographic and clinical features of the cases and the antifungal susceptibility profiles of the isolates...
September 18, 2017: Mycoses
https://www.readbyqxmd.com/read/28922469/one-pot-synthesis-of-gdp-mannose-by-a-multi-enzyme-cascade-for-enzymatic-assembly-of-lipid-linked-oligosaccharides
#6
Thomas F T Rexer, Anna Schildbach, Jan Klapproth, Angelika Schierhorn, Reza Mahour, Markus Pietzsch, Erdmann Rapp, Udo Reichl
Glycosylation of proteins is a key function of the biosynthetic-secretory pathway in the endoplasmic reticulum (ER) and Golgi apparatus. Glycosylated proteins play a crucial role in cell trafficking and signaling, cell-cell adhesion, blood-group antigenicity, and immune response. In addition, the glycosylation of proteins is an important parameter in the optimization of many glycoprotein-based drugs such as monoclonal antibodies. In vitro glycoengineering of proteins requires glycosyltransferases as well as expensive nucleotide sugars...
September 18, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28922459/therapeutic-plasma-exchange-in-the-treatment-of-complicated-plasmodium-falciparum-malaria-a-case-report
#7
Tsong-Yih Ou, Cheng-Yen Chuang, Chun-Da Chen, Chung-Yi Cheng
Severe falciparum malaria is associated with multiple organ dysfunction and a high rate of fatal outcome. Malaria is a world-wide disease in tropical areas through the bites of vector mosquitoes. Parasitic protozoans introduced by the mosquito's saliva to the blood travel to the liver then mature and reproduce. In humans, malaria is caused by Plasmodium falciparum, P. malariae, P. ovale, P. vivax, and P. knowlesi, and P. falciparum causes most deaths. Typical malaria symptoms include fever, chills, fatigue, headache, nausea, and vomiting...
September 18, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28922455/stem-cell-mobilization-in-patients-with-dialysis-dependent-multiple-myeloma-report-of-the-polish-multiple-myeloma-group
#8
Anna Waszczuk-Gajda, Joanna Drozd-Sokołowska, Piotr Boguradzki, Jarosław Dybko, Tomasz Wróbel, Grzegorz Władysław Basak, Krzysztof Mądry, Emilian Snarski, Grzegorz Charliński, Ewa Frączak, Joanna Matuszkiewicz-Rowińska, Marian Klinger, Hanna Augustyniak-Bartosik, Magdalena Krajewska, Paweł Żebrowski, Maria Król, Elżbieta Urbanowska, Artur Jurczyszyn, Michał Taszner, Wieslaw Wiktor Jędrzejczak, Jadwiga Dwilewicz-Trojaczek
INTRODUCTION: High-dose chemotherapy with autologous hematopoietic stem cell transplantation (auto-HSCT) improves the outcome of patients with multiple myeloma (MM). It seems that auto-HSCT is also a feasible therapeutic option in MM dialysis-dependent (MMDD) patients. However, to perform transplantation, a sufficient number of stem cells must be collected. MATERIALS AND METHODS: Given that data on mobilization of auto-HSC efficacy and safety in dialysis-dependent patients are limited, we report data from all Polish Centers belonging to the Polish Multiple Myeloma Group...
September 18, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28922422/psychological-effects-of-the-intensified-follow-up-of-the-ceawatch-trial-after-treatment-for-colorectal-cancer
#9
Zhuozhao Zhan, Charlotte J Verberne, Edwin R van den Heuvel, Irene Grossmann, Adelita V Ranchor, Theo Wiggers, Geertruida H de Bock
BACKGROUND: The aim of the study was to evaluate psychological effects of the state-of-art intensified follow-up protocol for colorectal cancer patients in the CEAwatch trial. METHOD: At two time points during the CEAwatch trial questionnaires regarding patients' attitude towards follow-up, patients' psychological functioning and patients' experiences and expectations were sent to participants by post. Linear mixed models were fitted to assess the influences and secular trends of the intensified follow-up on patients' attitude towards follow-up and psychological functioning...
2017: PloS One
https://www.readbyqxmd.com/read/28922404/eco-epidemiological-analysis-of-rickettsial-seropositivity-in-rural-areas-of-colombia-a-multilevel-approach
#10
Juan C Quintero V, Luis E Paternina T, Alexander Uribe Y, Carlos Muskus, Marylin Hidalgo, Juliana Gil, Astrid Vanessa Cienfuegos G, Lisardo Osorio Q, Carlos Rojas A
Rickettsiosis is a re-emergent infectious disease without epidemiological surveillance in Colombia. This disease is generally undiagnosed and several deadly outbreaks have been reported in the country in the last decade. The aim of this study is to analyze the eco-epidemiological aspects of rickettsial seropositivity in rural areas of Colombia where outbreaks of the disease were previously reported. A cross-sectional study, which included 597 people living in 246 households from nine hamlets in two municipalities of Colombia, was conducted from November 2015 to January 2016...
September 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28922401/rab11-family-expression-in-the-human-placenta-localization-at-the-maternal-fetal-interface
#11
Elizabeth S Taglauer, Patrycja A Artemiuk, Sara R Hanscom, Andrew J Lindsay, Danielle Wuebbolt, Fionnuala M Breathnach, Elizabeth C Tully, Amir R Khan, Mary W McCaffrey
Rab proteins are a family of small GTPases involved in a variety of cellular processes. The Rab11 subfamily in particular directs key steps of intracellular functions involving vesicle trafficking of the endosomal recycling pathway. This Rab subfamily works through a series of effector proteins including the Rab11-FIPs (Rab11 Family-Interacting Proteins). While the Rab11 subfamily has been well characterized at the cellular level, its function within human organ systems is still being explored. In an effort to further study these proteins, we conducted a preliminary investigation of a subgroup of endosomal Rab proteins in a range of human cell lines by Western blotting...
2017: PloS One
https://www.readbyqxmd.com/read/28922396/biochemical-and-immunological-characterization-of-a-novel-monoclonal-antibody-against-mouse-leukotriene-b4-receptor-1
#12
Fumiyuki Sasaki, Tomoaki Koga, Kazuko Saeki, Toshiaki Okuno, Saiko Kazuno, Tsutomu Fujimura, Yasuyuki Ohkawa, Takehiko Yokomizo
Leukotriene B4 (LTB4) receptor 1 (BLT1) is a G protein-coupled receptor expressed in various leukocyte subsets; however, the precise expression of mouse BLT1 (mBLT1) has not been reported because a mBLT1 monoclonal antibody (mAb) has not been available. In this study, we present the successful establishment of a hybridoma cell line (clone 7A8) that produces a high-affinity mAb for mBLT1 by direct immunization of BLT1-deficient mice with mBLT1-overexpressing cells. The specificity of clone 7A8 was confirmed using mBLT1-overexpressing cells and mouse peripheral blood leukocytes that endogenously express BLT1...
2017: PloS One
https://www.readbyqxmd.com/read/28922385/metabolomics-analyses-identify-platelet-activating-factors-and-heme-breakdown-products-as-lassa-fever-biomarkers
#13
Trevor V Gale, Timothy M Horton, Donald S Grant, Robert F Garry
Lassa fever afflicts tens of thousands of people in West Africa annually. The rapid progression of patients from febrile illness to fulminant syndrome and death provides incentive for development of clinical prognostic markers that can guide case management. The small molecule profile of serum from febrile patients triaged to the Viral Hemorrhagic Fever Ward at Kenema Government Hospital in Sierra Leone was assessed using untargeted Ultra High Performance Liquid Chromatography Mass Spectrometry. Physiological dysregulation resulting from Lassa virus (LASV) infection occurs at the small molecule level...
September 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28922377/c-reactive-protein-upregulates-the-whole-blood-expression-of-cd59-an-integrative-analysis
#14
Kaido Lepik, Tarmo Annilo, Viktorija Kukuškina, Kai Kisand, Zoltán Kutalik, Pärt Peterson, Hedi Peterson
Elevated C-reactive protein (CRP) concentrations in the blood are associated with acute and chronic infections and inflammation. Nevertheless, the functional role of increased CRP in multiple bacterial and viral infections as well as in chronic inflammatory diseases remains unclear. Here, we studied the relationship between CRP and gene expression levels in the blood in 491 individuals from the Estonian Biobank cohort, to elucidate the role of CRP in these inflammatory mechanisms. As a result, we identified a set of 1,614 genes associated with changes in CRP levels with a high proportion of interferon-stimulated genes...
September 18, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28922277/percutaneous-posterior-trans-articular-atlantoaxial-fixation-for-the-treatment-of-odontoid-fractures-in-the-elderly-a-prospective-study
#15
Mohamed Alhashash, Mootaz Shousha, Hany Gendy, Ahmed Samir Barakat, Heinrich Boehm
STUDY DESIGN: A prospective study of 20 multimorbid patients older than 65 years undergoing minimally invasive surgical treatment for odontoid fracture. OBJECTIVES: To analyze the results of percutaneous transarticular atlantoaxial screw fixation as a new minimally invasive treatment modality in this high risk group of patients. SUMMARY OF BACKGROUND DATA: Odontoid fractures are a common injury pattern in the elderly. These fractures typically present significant challenges as geriatric patients often have multiple comorbidities that may adversely affect fracture management...
September 15, 2017: Spine
https://www.readbyqxmd.com/read/28922276/risk-factors-for-surgical-site-infection-after-posterior-lumbar-spinal-surgery
#16
Jia-Ming Liu, Hui-Lin Deng, Xuan-Yin Chen, Yang Zhou, Dong Yang, Man-Sheng Duan, Shan-Hu Huang, Zhi-Li Liu
STUDY DESIGN: A retrospective study. OBJECTIVE: The purpose of this study was to identify the independent risk factors for postoperative SSI after posterior lumbar spinal surgery based on the perioperative factors analysis. SUMMARY OF BACKGROUND DATA: Surgical site infection (SSI) is one of the most common complications after spinal surgery. Previous studies have identified different risk factors for postoperative SSI following lumbar spinal surgery...
September 15, 2017: Spine
https://www.readbyqxmd.com/read/28922149/the-relationships-between-components-of-metabolic-syndrome-and-mild-cognitive-impairment-subtypes-a-cross-sectional-study-of-japanese-older-adults
#17
Seongryu Bae, Hiroyuki Shimada, Sangyoon Lee, Hyuma Makizako, Sungchul Lee, Kazuhiro Harada, Takehiko Doi, Kota Tsutsumimoto, Ryo Hotta, Sho Nakakubo, Hyuntae Park, Takao Suzuki
BACKGROUND: The associations between components of metabolic syndrome (MetS) and mild cognitive impairment (MCI) subtypes remain unclear. OBJECTIVE: The study aim was to identify the prevalence of MetS for MCI subtypes and to investigate sex differences in the association between MetS and MCI subtypes in older Japanese adults. METHODS: The study analyzed data from 3,312 men and women aged 70 years or more. MetS was diagnosed according to International Diabetes Federation criteria...
September 8, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28921971/paper-sensor-coated-with-a-poly-carboxybetaine-multiple-dopa-conjugate-via-dip-coating-for-biosensing-in-complex-media
#18
Fang Sun, Kan Wu, Hsiang-Chieh Hung, Peng Zhang, Xinran Che, Joshua Kenyon Smith, Xiaojie Lin, Bowen Li, Priyesh Jain, Qiuming Yu, Shaoyi Jiang
Cellulose paper is an ideal diagnostic platform for low-cost, easily disposable and lightweight implementation, but requires surface modification to achieve detection with high sensitivity and specificity in complex media. In this work, a polymer-catechol conjugate containing a super-hydrophilic nonfouling poly(carboxylbetaine) (pCB) and four surface-binding L-3,4-dihydroxyphenylalanine (DOPA) groups, pCB-(DOPA)4, were applied onto a paper-based sensor surface via a simple "graft-to" immersion process to render the surface with both nonfouling and protein functionalizable properties...
September 18, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28921743/exercise-training-dose-differentially-alters-muscle-and-heart-capillary-density-and-metabolic-functions-in-an-obese-rat-with-metabolic-syndrome
#19
Marcus Vinicius Machado, Aline Bomfim Vieira, Fabiana Gomes da Conceição, Alessandro Rodrigues Nascimento, Antonio Claudio Lucas da Nóbrega, Eduardo Tibirica
We evaluated the effect of frequency, duration and intensity of exercise training on metabolic parameters and structural capillary density in obese rats with metabolic syndrome (MS). Wistar-Kyoto rats were fed a either standard commercial diet (CON) or high-fat diet (HFD). Animals that received the HFD were randomly separated into either a sedentary (SED) group or 8 different exercise groups that varied by the frequency, duration and intensity of training. After 12 weeks of aerobic exercise training, body composition, aerobic capacity, hemodynamic variables, metabolic parameters and capillary density in the heart and skeletal muscle were evaluated...
September 17, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28921730/comparison-of-the-percentages-of-cd4-%C3%A2-cd25-high-%C3%A2-foxp3-cd4-%C3%A2-cd25-low-%C3%A2-foxp3-and-cd4-%C3%A2-foxp3-tregs-in-the-umbilical-cord-blood-of-babies-born-to-mothers-with-and-without-preeclampsia
#20
Farha El-Chennawi, Ibrahim Mohamed Rageh, Amira Ibrahim Mansour, Mohammed Ibrahim Darwish, Ashraf Antar Elghzaly, Basma El Sayed Sakr, Khaled Mohsen Elbaz
PROBLEM: Little is known about how preeclampsia affects regulatory T-cell count and functions in umbilical cord blood of babies born to preeclamptic mothers. Here, we analyze the percentage of CD4(+)  CD25(high)  FOXP3(+) , CD4(+)  CD25(low)  FOXP3(+) , and CD4(+)  FOXP3(+) Tregs, in the umbilical cord blood of babies born to mothers with and without preeclampsia. METHOD OF STUDY: The percentage of umbilical cord blood CD4(+)  CD25(high)  FOXP3(+) , CD4(+)  CD25(low)  FOXP3(+) , and CD4(+)  FOXP3(+) Tregs were analyzed by flow cytometry...
September 16, 2017: American Journal of Reproductive Immunology: AJRI
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