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https://www.readbyqxmd.com/read/28535529/looking-into-the-graft-without-a-biopsy-biomarkers-of-acute-rejection-in-renal-transplantation
#1
Andrea Angeletti, Paolo Cravedi
Immunosuppression in kidney transplantation is still largely driven by center-specific protocols and adjusted according to the presence of graft dysfunction, drug toxicity or infection. Due to the current inability to titrate immunosuppression to the needs of every single patient, this approach is burdened by an increased risk of under or over-immunosuppression. To extend allograft survival, immunosuppression should be decided based on reliable biomarkers capable of quantifying the alloimmune response and/or noninvasively diagnosing acute rejection...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28535519/development-of-the-new-kibou%C3%A2-equipment-for-continuous-renal-replacement-therapy-from-scratch-to-the-final-configuration
#2
Mauro Neri, Anna Lorenzin, Alessandra Brendolan, Francesco Garzotto, Fiorenza Ferrari, Silvia De Rosa, Raffaele Bonato, Gianluca Villa, Simona Bazzano, Fiorella D''Ippoliti, Zaccaria Ricci, Gaetano La Manna, Claudio Ronco
A new technology has recently appeared in the area of extracorporeal therapies for critically ill patients with acute kidney injury. The International Renal Research Institute of Vicenza was involved from the beginning in the development of a new continuous renal replacement therapy (CRRT) equipment with peculiar characteristics. We report the overall experience from design of the new machine to its in vitro and in vivo testing. Kibou® (Asahi Kasei Kuraray Medical Co., Ltd., Tokyo, Japan) is a new multifunctional machine designed for delivering RRT...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28535487/nerve-excitability-changes-related-to-muscle-weakness-in-chronic-progressive-external-ophthalmoplegia
#3
Antoine Gueguen, Claude Jardel, Marc Polivka, S Veronica Tan, Françoise Gray, Catherine Vignal, Anne Lombès, Olivier Gout, Hugh Bostock
OBJECTIVE: To explore potential spreading to peripheral nerves of the mitochondrial dysfunction in chronic progressive external ophthalmoplegia (CPEO) by assessing axonal excitability. METHODS: CPEO patients (n=13) with large size deletion of mitochondrial DNA and matching healthy controls (n=22) were included in a case-control study. Muscle strength was quantified using MRC sum-score and used to define two groups of patients: CPEO-weak and CPEO-normal (normal strength)...
April 26, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28535295/bioinformatic-analysis-of-bacteria-and-host-cell-dual-rna-sequencing-experiments
#4
James W Marsh, Regan J Hayward, Amol C Shetty, Anup Mahurkar, Michael S Humphrys, Garry S A Myers
Bacterial pathogens subvert host cells by manipulating cellular pathways for survival and replication; in turn, host cells respond to the invading pathogen through cascading changes in gene expression. Deciphering these complex temporal and spatial dynamics to identify novel bacterial virulence factors or host response pathways is crucial for improved diagnostics and therapeutics. Dual RNA sequencing (dRNA-Seq) has recently been developed to simultaneously capture host and bacterial transcriptomes from an infected cell...
May 23, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/28535235/effect-of-cephalexin-plus-trimethoprim-sulfamethoxazole-vs-cephalexin-alone-on-clinical-cure-of-uncomplicated-cellulitis-a-randomized-clinical-trial
#5
Gregory J Moran, Anusha Krishnadasan, William R Mower, Fredrick M Abrahamian, Frank LoVecchio, Mark T Steele, Richard E Rothman, David J Karras, Rebecca Hoagland, Stephanie Pettibone, David A Talan
Importance: Emergency department visits for skin infections in the United States have increased with the emergence of methicillin-resistant Staphylococcus aureus (MRSA). For cellulitis without purulent drainage, β-hemolytic streptococci are presumed to be the predominant pathogens. It is unknown if antimicrobial regimens possessing in vitro MRSA activity provide improved outcomes compared with treatments lacking MRSA activity. Objective: To determine whether cephalexin plus trimethoprim-sulfamethoxazole yields a higher clinical cure rate of uncomplicated cellulitis than cephalexin alone...
May 23, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28535183/time-caloric-restriction-inhibits-the-neoplastic-transformation-of-cirrhotic-liver-in-rats-treated-with-diethylnitrosamine
#6
Christian Molina-Aguilar, María de Jesús Guerrero-Carrillo, Jesús Javier Espinosa-Aguirre, Sitlali Olguin-Reyes, Thania Castro-Belio, Olivia Vázquez-Martínez, Julieta Berenice Rivera-Zavala, Mauricio Díaz-Muñoz
Hepatocellular cancer is the most common type of primary liver cancer. Cirrhosis is the main risk factor that generates this malady. It has been proven that caloric restriction protocols and restricted feeding schedules are protective in experimental carcinogenic models. We tested the influence of a time-caloric restriction protocol (2 h of food access during the daytime for 18 weeks) in an experimental model of cirrhosis-hepatocarcinoma produced by weekly administration of diethylnitrosamine. Our results indicate that time-caloric restriction reduced hepatomegaly and prevented the increase in blood leukocytes promoted by diethylnitrosamine...
May 23, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28535182/characterization-of-liver-injury-oval-cell-proliferation-and-cholangiocarcinogenesis-in-glutathione-s-transferase-a3-knockout-mice
#7
Dana R Crawford, Zoran Ilic, Ian Guest, Ginger L Milne, John D Hayes, Stewart Sell
We recently generated glutathione S-transferase (GST) A3 knockout (KO) mice as a novel model to study the risk factors for liver cancer. GSTA3 KO mice are sensitive to the acute cytotoxic and genotoxic effects of aflatoxin B1 (AFB1), confirming the crucial role of GSTA3 in resistance to AFB1. We now report histopathological changes, tumor formation, biochemical changes and gender response following AFB1 treatment as well as the contribution of oxidative stress. Using a protocol of weekly 0.5 mg AFB1/kg administration, we observed extensive oval (liver stem) cell (OC) proliferation within 1-3 weeks followed by microvesicular lipidosis, megahepatocytes, nuclear inclusions, cholangiomas, and small nodules...
May 23, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28535095/managing-cns-disease-in-adults-with-acute-lymphoblastic-leukemia
#8
Richard A Larson
The central nervous system (CNS) is an important site of involvement by acute lymphoblastic leukemia (ALL) in adults. The prevalence is sufficiently high that prophylactic treatment is routinely given to this sanctuary site in order to eradicate occult disease that might otherwise lead to a relapse. A lumbar puncture should be routinely performed in all newly diagnosed patients with ALL. The risks of CNS leukemia vary by phenotype and genotype. Preventive treatment of the CNS during post-remission therapy has become an integral part of all current ALL treatment protocols...
May 23, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28535085/characterization-of-an-encapsulated-insulin-secreting-human-pancreatic-beta-cell-line-in-a-modular-microfluidic-device
#9
Argia Acarregui, Jesús Ciriza, Laura Saenz Del Burgo, Haritz Gurruchaga, José Yeste, Xavier Illa, Gorka Orive, Rosa M Hernández, Rosa Villa, Jose Luis Pedraz
Type I diabetes mellitus is characterized by the destruction of the insulin producing beta cells within the pancreas by the immune system. After the success of Edmonton protocol, islet transplantation has shown to be a promising therapy, but with the Achilles´ heel of the need of using immunosuppressive drugs. Currently, cell encapsulation technology represents a real alternative to protect transplanted islets from the host´s immune attack. Although preliminary in vitro studies with encapsulated cells have been traditionally performed under static conditions in terms of viability and efficiency, these static cultures do not represent a close approach to in vivo environments...
May 23, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28535001/standardization-of-a375-human-melanoma-models-on-chicken-embryo-chorioallantoic-membrane-and-balb-c-nude-mice
#10
Stefana Avram, Dorina-Elena Coricovac, Ioana Zinuca Pavel, Iulia Pinzaru, Roxana Ghiulai, Flavia Baderca, Codruta Soica, Danina Muntean, Daciana E Branisteanu, Demetrios A Spandidos, Aristides M Tsatsakis, Cristina Adriana Dehelean
Cutaneous melanoma is a metastatic disease characterized by high resistance to treatment, the incidence of which has alarmingly increased worldwide over the past years. A thorough characterization of tumor onset, progression and metastasis is compulsory to overcome the gaps existent in melanoma biology. The present study suggests a well‑established protocol and a detailed histological description of human melanoma models in ovo and in vivo obtained by the inoculation of A375 cells to chick embryo chorioallantoic membrane (CAM) and Balb/c nude mice...
May 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534899/fabrication-of-pt-cu3-po4-2-ultrathin-nanosheet-heterostructure-for-photoelectrochemical-microrna-sensing-using-novel-g-wire-enhanced-strategy
#11
Cui Ye, Min Qiang Wang, Ling Jie Li, Hong Qun Luo, Nian Bing Li
Herein, we focus on preparing a highly efficient photocatalytic material to construct a signal-on photoelectrochemical (PEC) sensing platform in view of the rigorous demand of accurate miRNA quantification. The well-dispersed Pt nanoclusters-coated copper phosphate ultrathin nanosheets (PtNCs/Cu3(PO4)2NSs) were first successfully synthesized as a photoelectrode material. Because of the ultrathin two-dimensional lamellar structure of Cu3(PO4)2NSs with a 1.3 nm thickness, as well as the homogeneous size and abundant PtNCs loaded on Cu3(PO4)2NSs, the resultant PtNCs/Cu3(PO4)2NSs were employed as a photoelectrode material for the first time and revealed outstanding photocatalytic activity in PEC sensing as a substrate...
May 23, 2017: Nanoscale
https://www.readbyqxmd.com/read/28534892/minimizing-next-generation-sequencing-errors-for-hiv-drug-resistance-testing
#12
José A Fernández-Caballero, Natalia Chueca, Eva Poveda, Federico García
Next-generation sequencing prototypes for the routine diagnosis of resistance to antiretrovirals approved for the treatment of HIV infection are now being used in many clinical diagnostic laboratories. As some of the next-generation sequencing platforms may be a source of errors, it is necessary to improve the currently available protocols and implement bioinformatic tools that may help to correctly identify the presence of resistance mutations with clinical impact. Several studies have addressed these issues in recent years...
May 23, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28534803/consensus-tracking-of-heterogeneous-discrete-time-networked-multiagent-systems-based-on-the-networked-predictive-control-scheme
#13
Yuxin Wei, Guo-Ping Liu
This paper studies the problem of consensus tracking for heterogeneous discrete-time networked multiagent systems (NMASs) with network-induced communication delay. By introducing the networked predictive control scheme, novel consensus tracking protocols are designed to ensure that states of the NMASs follow the external reference signal. One of the agents is defined as the leader agent, all the other agents are defined as the followers, and the external reference signal is always known by the leader agent, both cases where the external reference signal is available and unavailable to the follower agents are discussed in this paper...
May 16, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28534624/switchable-c-h-functionalization-of-n-tosyl-acrylamides-with-acryloylsilanes
#14
Shengjin Song, Ping Lu, Huan Liu, Sai-Hu Cai, Chao Feng, Teck-Peng Loh
A controllable Rh-catalyzed protocol to access alkylation and alkenylation-annulation of N-tosyl acrylamide with acryloyl silane is reported. In contrast to the directing group or catalyst-dependent divergent sp(2) C-H alkylation/alkenylation, the intrinsic property of acryloylsilane allows the switchable reaction manifold, thereby affording either alkylation or annulation products with slight modification of the reaction conditions.
May 23, 2017: Organic Letters
https://www.readbyqxmd.com/read/28534562/k-junction-structure-mediated-exponential-signal-amplification-strategy-for-microrna-detection-in-electrochemiluminescence-biosensor
#15
Xue Li, Anyi Chen, Yaqin Chai, Ruo Yuan
Based on the novel designed K-junction structure, an economic and efficient exponential signal amplification strategy with simple protocol combining hemin/G-quadruplex, a mimetic peroxidase, as a catalyzer was proposed and utilized in an electrochemiluminescence biosensor for sensitive microRNA detection. It was noteworthy that the K-junction structure was formed with guanine-rich reporter DNA and substrate DNA modified by phosphate at the 5'-terminus. Thus, the activity of the reporter DNA could be inhibited and the recognition domain for the target microRNA constructed through the K-junction structure formed...
May 23, 2017: Analyst
https://www.readbyqxmd.com/read/28534497/a-comparative-study-of-two-protocols-for-treadmill-walking-exercise-testing-in-ambulating-subjects-with-incomplete-spinal-cord-injury
#16
E Lundgaard, M F Wouda, V Strøm
STUDY DESIGN: This is a comparative study of two exercise testing protocols. OBJECTIVES: The objective of this study was to compare maximal oxygen uptake (VO2 max) and achieved criteria for maximal exercise testing between the Sunnaas Protocol-a newly designed treadmill exercise test protocol-and the Modified Bruce Protocol in persons with incomplete spinal cord injury (SCI). SETTING: This study was conducted in Sunnaas Rehabilitation Hospital, Norway...
May 23, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28534464/does-the-social-functioning-scale-reflect-real-life-social-functioning-an-experience-sampling-study-in-patients-with-a-non-affective-psychotic-disorder-and-healthy-control-individuals
#17
M Schneider, U Reininghaus, M van Nierop, M Janssens, I Myin-Germeys
BACKGROUND: The ecological validity of retrospective measures of social functioning is currently unknown in patients with schizophrenia. In the present study, patients with a diagnosis of non-affective psychosis were compared with controls on two measures of social functioning: the Social Functioning Scale (SFS) and daily-life measures collected with the Experience Sampling Methodology (ESM). The associations between both measures were examined in each group of participants to test for the ecological validity of the SFS...
May 23, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28534396/tailoring-active-sites-via-synergy-between-graphitic-and-pyridinic-n-for-the-enhanced-catalytic-efficiency-of-carbocatalyst
#18
Jieyuan Li, Shi Yin, Fan Dong, Wanglai Cen, Yinghao Chu
Due to the limited characterization methods of structures and morphology of N doped carbocatalysts that are available at the atomic level, the detailed promotion mechanism of the catalytic efficiency is unspecific and the particular active sites introduced by the N atoms require further evaluation. Herein, this challenging issue is tackled by extensive theoretical simulation. It is firstly proposed that the active sites, where O2 molecules become adsorbed and activated, are tailored by synergistic graphitic and pyridinic N atoms, which remarkably accelerate the generation of highly chemical reactive O-containing species...
May 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28534352/tumor-response-and-patient-outcome-after-preoperative-radiotherapy-in-locally-advanced-non-inflammatory-breast-cancer-patients
#19
Jasmina Mladenovic, Snezana Susnjar, Miljana Tanic, Radmila Jankovic, Katarina Karadzic, Dusica Gavrilovic, Suzana Stojanovic, Vesna Plesinac-Karapandzic
PURPOSE: The purpose of this analysis was to assess the tumor response and long-term outcome in patients treated with preoperative radiotherapy (PRT) without systemic therapy. METHODS: Between 1997 and 2000, 134 patients with non-inflammatory locally advanced breast cancer (LABC) were treated with PRT. The tumor dose was 45 Gy in 15 fractions to the breast and to regional lymph nodes over 6 weeks. Radical mastectomy was performed 6 weeks after PRT to all patients and adjuvant systemic therapy was administered as per protocol...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28534323/-era-of-enhanced-recovery-after-surgery-and-robotic-gastric-cancer-surgery
#20
Yanbing Zhou
Enhanced recovery after surgery (ERAS) has been rapidly developing by combining several techniques with evidence-based adjustments, including preoperative education, preoperative carbohydrate loading, epidural or regional anesthesia, early initiation of enteral nutrition, ambulation and multi-modal pain management. The core part of ERAS is to reduce and reverse surgical stress and therefore greatly improve clinical outcome. Under the guidance of ERAS, perioperative management of robotic gastric cancer operation should follow the basic principles of ERAS and clinical pathway to maximize the advantages of the robotic surgery...
May 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
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