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https://www.readbyqxmd.com/read/28437263/a-randomised-trial-to-evaluate-preoperative-oral-carbohydrate-administration-on-insulin-resistance-in-off-pump-coronary-artery-bypass-patients
#1
Bora Lee, Sarah Soh, Jae-Kwang Shim, Ha Y Kim, Hyelin Lee, Young-Lan Kwak
BACKGROUND: In fasting cardiac surgery patients, preoperative carbohydrate (CHO) drink intake attenuated insulin resistance and improved cardiac metabolism, although its beneficial effects were not evident after cardiac surgery possibly due to cardiopulmonary bypass-related extreme systemic inflammation. OBJECTIVE: We aimed to evaluate whether preoperative CHO intake affected insulin resistance and free-fatty acid (FFA) concentrations in off-pump coronary revascularisation...
April 21, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28434660/reduced-dose-radiotherapy-for-human-papillomavirus-associated-squamous-cell-carcinoma-of-the-oropharynx-a-single-arm-phase-2-study
#2
Allen M Chen, Carol Felix, Pin-Chieh Wang, Sophia Hsu, Vincent Basehart, Jordan Garst, Phillip Beron, Deborah Wong, Michael H Rosove, Shyam Rao, Heather Melanson, Edward Kim, Daphne Palmer, Lihong Qi, Karen Kelly, Michael L Steinberg, Patrick A Kupelian, Megan E Daly
BACKGROUND: Head and neck cancers positive for human papillomavirus (HPV) are exquisitely radiosensitive. We investigated whether chemoradiotherapy with reduced-dose radiation would maintain survival outcomes while improving tolerability for patients with HPV-positive oropharyngeal carcinoma. METHODS: We did a single-arm, phase 2 trial at two academic hospitals in the USA, enrolling patients with newly diagnosed, biopsy-proven stage III or IV squamous-cell carcinoma of the oropharynx, positive for HPV by p16 testing, and with Zubrod performance status scores of 0 or 1...
April 20, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28432650/efficacy-and-tolerability-of-a-2-year-rituximab-maintenance-therapy-in-patients-with-advanced-follicular-lymphoma-after-induction-of-response-with-rituximab-containing-first-line-regimens-husom-study
#3
Tamás Schneider, András Rosta, Hajna Losonczy, Gáspár Radványi, György Ujj, Miklós Egyed, Árpád Illés, János Jakucs, László Szerafin, Zoltán Gasztonyi, Tamás Masszi, János Iványi, Judit Demeter, Péter Dombi, Antal Tóth, Zita Borbényi
Follicular lymphoma is a lymphoid malignancy commonly showing slow progression which makes the treatment of the disease challenging. Rituximab monotherapy and rituximab added to standard chemotherapy has been proven to increase survival among patients with advanced stage of the disease. However, the benefit of a rituximab maintenance therapy after induction was still unclear at the time of the initiation of this study. HUSOM was a phase III open-label, single-arm, multi-centre study aimed to assess the efficacy and the safety of the 12 cycles of rituximab (375 mg/m(2) every 8 weeks) maintenance therapy in patients had already presented partial or complete response to R-CVP or R-CHOP...
April 21, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28429286/effects-of-selenium-supplementation-on-the-diabetic-condition-depend-on-the-baseline-selenium-status-in-kkay-mice
#4
Novian Febiyanto, Chiho Yamazaki, Satomi Kameo, Dian K Sari, Irma M Puspitasari, Deni K Sunjaya, Dewi M D Herawati, Gaga I Nugraha, Toshio Fukuda, Hiroshi Koyama
Oxidative stress in obesity leads to insulin resistance in type 2 diabetes. Some selenoproteins possess antioxidant properties, suggesting that selenium (Se) may protect against type 2 diabetes; however, evidence from epidemiological studies is contradictory. We hypothesized that Se status before supplementation (baseline) contributes to the supplementation outcome. This study aimed to clarify the influence of baseline Se status on the effect of Se supplementation on the diabetic condition. Six-week-old KKAy mice were fed a diet without supplemental Se or with 0...
April 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28428045/sco2-deficient-mice-develop-increased-adiposity-and-insulin-resistance
#5
Shauna Hill, Sathyaseelan S Deepa, Kavithalakshmi Sataranatarajan, Pavithra Premkumar, Daniel Pulliam, Yuhong Liu, Vanessa Y Soto, Kathleen E Fischer, Holly Van Remmen
Cytochrome c oxidase (COX) is an essential transmembrane protein complex (Complex IV) in the mitochondrial respiratory electron chain. Mutations in genes responsible for the assembly of COX are associated with Leigh syndrome, cardiomyopathy, spinal muscular atrophy and other fatal metabolic disorders in humans. Previous studies have shown that mice lacking the COX assembly protein Surf1 (Surf1(-/-) mice) paradoxically show a number of beneficial metabolic phenotypes including increased insulin sensitivity, upregulation of mitochondrial biogenesis, induction of stress response pathways and increased lifespan...
April 17, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28425751/development-of-red-blood-cell-autoantibodies-following-treatment-with-checkpoint-inhibitors-a-new-class-of-anti-neoplastic-immunotherapeutic-agents-associated-with-immune-dysregulation
#6
Laura L Cooling, John Sherbeck, Jonathon C Mowers, Sheri L Hugan
Ipilimumab, nivolumab, and pembrolizumab represent a new class of immunotherapeutic drugs for treating patients with advanced cancer. Known as checkpoint inhibitors, these drugs act to upregulate the cellular and humoral immune response to tumor antigens by inhibiting T-cell autoregulation. As a consequence, they can be associated with immune-related adverse events (irAEs) due to loss of self-tolerance, including rare cases of immune-related cytopenias. We performed a retrospective clinical chart review, including serologic, hematology, and chemistry laboratory results, of two patients who developed red blood cell (RBC) autoantibodies during treatment with a checkpoint inhibitor...
January 2017: Immunohematology
https://www.readbyqxmd.com/read/28424480/ketogenic-diet-attenuates-hepatopathy-in-mouse-model-of-respiratory-chain-complex-iii-deficiency-caused-by-a-bcs1l-mutation
#7
Janne Purhonen, Jayasimman Rajendran, Matthias Mörgelin, Kristiina Uusi-Rauva, Shintaro Katayama, Kaarel Krjutskov, Elisabet Einarsdottir, Vidya Velagapudi, Juha Kere, Matti Jauhiainen, Vineta Fellman, Jukka Kallijärvi
Mitochondrial disorders are among the most prevalent inborn errors of metabolism but largely lack treatments and have poor outcomes. High-fat, low-carbohydrate ketogenic diets (KDs) have shown beneficial effects in mouse models of mitochondrial myopathies, with induction of mitochondrial biogenesis as the suggested main mechanism. We fed KD to mice with respiratory chain complex III (CIII) deficiency and progressive hepatopathy due to mutated BCS1L, a CIII assembly factor. The mutant mice became persistently ketotic and tolerated the KD for up to 11 weeks...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28423886/adiponectin-induced-ampk-impairment-mediates-insulin-resistance-in-bama-mini-pig-fed-high-fat-and-high-sucrose-diet
#8
Miaomiao Niu, Lei Xiang, Yaqian Liu, Yuqiong Zhao, Jifang Yuan, Xin Dai, Hua Chen
Objective: Adipose tissue is no longer considered as an inert storage organ for lipid, but instead is thought to play an active role in regulating insulin effects via secretion adipokines. However, conflicting reports have emerged regarding the effects of adipokines. In this study, we investigated the role of adipokines in glucose metabolism and insulin sensitivity in obese Bama mini-pigs. Methods: An obesity model was established in Bama mini-pigs, by feeding with high-fat and high-sucrose diet for 30 weeks...
March 25, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28423486/tick-host-conflict-immunoglobulin-e-antibodies-to-tick-proteins-in-patients-with-anaphylaxis-to-tick-bite
#9
Lourdes Mateos-Hernández, Margarita Villar, Angel Moral, Carmen García Rodríguez, Teresa Alfaya Arias, Verónica de la Osa, Francisco Feo Brito, Isabel G Fernández de Mera, Pilar Alberdi, Francisco Ruiz-Fons, Alejandro Cabezas-Cruz, Agustín Estrada-Peña, José de la Fuente
Tick-borne infectious diseases and allergies are a growing problem worldwide. Tick bite allergy has been associated with the direct effect of immunoglobulin E (IgE) response to tick salivary antigens, or secondary to the induction of allergy to red meat consumption through IgE antibodies against the carbohydrate α-Gal (Gal α 1-3Gal β 1-(3)4GlcNAc-R). However, despite the growing burden of this pathology, the proteins associated with anaphylaxis to tick bite have not been characterized. To address this question, a comparative proteomics approach was used to characterize tick proteins producing an IgE antibody response in a healthy individual with record of tick bites, which had not resulted in any allergic reactions, and two patients with anaphylactic reactions to Rhipicephalus bursa or Hyalomma marginatum tick bites...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423337/homeostatic-immunity-and-the-microbiota
#10
REVIEW
Yasmine Belkaid, Oliver J Harrison
The microbiota plays a fundamental role in the induction, education, and function of the host immune system. In return, the host immune system has evolved multiple means by which to maintain its symbiotic relationship with the microbiota. The maintenance of this dialogue allows the induction of protective responses to pathogens and the utilization of regulatory pathways involved in the sustained tolerance to innocuous antigens. The ability of microbes to set the immunological tone of tissues, both locally and systemically, requires tonic sensing of microbes and complex feedback loops between innate and adaptive components of the immune system...
April 18, 2017: Immunity
https://www.readbyqxmd.com/read/28422925/dynamics-of-b-cell-recovery-following-kidney-bone-marrow-transplant-recipients
#11
Baoshan Gao, Yiming Gu, Chunshu Rong, Carolina Moore, Fabrice Porcheray, Waichi Wong, Frederic Preffer, Susan L Saidman, Yaowen Fu, Benedict Cosimi, David H Sachs, Tatsuo Kawai, Megan Sykes, Emmanuel Zorn
BACKGROUND: Previous studies identified B cell gene signatures and predominance of specific B cell subsets as a marker of operational tolerance following kidney transplantation. These findings suggested a role for B cells in the establishment or maintenance of tolerance. Here we analyzed B cell recovery in 4 subjects, 3 of whom achieved tolerance after combined kidney/bone marrow transplantation. METHODS: Peripheral B cell subsets were examined longitudinally by flow cytometry...
April 19, 2017: Transplantation
https://www.readbyqxmd.com/read/28422403/blood-chimerism-in-dizygotic-monochorionic-twins-during-five-years-observation
#12
Morten Hanefeld Dziegiel, Morten Høgh Hansen, Sofie Haedersdal, Angela Natalie Barrett, Klaus Rieneck, Katharina Maria Main, Anne Todsen Hansen, Frederik Banch Clausen
Dizygotic monochorionic twin pregnancies can result in blood chimerism due to in utero twin-to-twin exchange of stem cells. In this case, we examined the proportion of allogeneic red blood cells (RBCs) by flow cytometry and the proportion of allogeneic nucleated cells by digital PCR at seven months and again at five years. We found an increase in the proportion of allogeneic cells from 63% to 89% in one twin, and a similar increase in autologous cells in the other twin from 57% to 84%. A paradigm for stem cell therapy could be modelled on this case: induction of tolerance and chimerism by antenatal transfusion of donor stem cells...
April 19, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28422316/regulatory-t-cells-tolerance-induction-in-solid-organ-transplantation
#13
REVIEW
Trishan Vaikunthanathan, Niloufar Safinia, Dominic Boardman, Robert I Lechler, Giovanna Lombardi
The concept of regulatory T cell (Treg) therapy in transplantation is now a reality. Significant advances in science and technology have enabled us to isolate human Tregs, expand them to clinically relevant numbers and infuse them into human transplant recipients. With several Phase I/II trials underway investigating Treg safety and efficacy it is now more crucial than ever to understand their complex biology. However, our journey is by no means complete, results from these trials will undoubtedly provoke both further knowledge and enquiry, which, alongside evolving science will continue to drive the optimization of Treg therapy in the pursuit of transplantation tolerance...
April 19, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28421087/evolutionary-analysis-of-the-lafl-genes-involved-in-the-land-plant-seed-maturation-program
#14
Jing-Dan Han, Xia Li, Chen-Kun Jiang, Gane K-S Wong, Carl J Rothfels, Guang-Yuan Rao
Seeds are one of the most significant innovations in the land plant lineage, critical to the diversification and adaptation of plants to terrestrial environments. From perspective of seed evo-devo, the most crucial developmental stage in this innovation is seed maturation, which includes accumulation of storage reserves, acquisition of desiccation tolerance, and induction of dormancy. Based on previous studies of seed development in the model plant Arabidopsis thaliana, seed maturation is mainly controlled by the LAFL regulatory network, which includes LEAFY COTYLEDON1 (LEC1) and LEC1-LIKE (L1L) of the NF-YB gene family, and ABSCISIC ACID INSENSITIVE3 (ABI3), FUSCA3 (FUS3), and LEC2 (LEAFY COTYLEDON2) of the B3-AFL gene family...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28421074/immunometabolic-phenotype-alterations-associated-with-the-induction-of-disease-tolerance-and-persistent-asymptomatic-infection-of-salmonella-in-the-chicken-intestine
#15
REVIEW
Michael H Kogut, Ryan J Arsenault
The adaptation of Salmonella enterica to the eukaryotic host is a key process that enables the bacterium to survive in a hostile environment. Salmonella have evolved an intimate relationship with its host that extends to their cellular and molecular levels. Colonization, invasion, and replication of the bacteria in an appropriate host suggest that modification of host functions is central to pathogenesis. Intuitively, this subversion of the cell must be a complex process, since hosts are not inherently programmed to provide an environment conducive to pathogens...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28420280/enteric-coated-budesonide-for-the-induction-and-maintenance-of-remission-of-crohn-s-disease-in-children
#16
Stanley A Cohen, Marina Aloi, Ramalingam Arumugam, Robert Baker, Kevin Bax, Jaroslaw Kierkuś, Sibylle Koletzko, Paolo Lionetti, Tore Persson, Stefan Eklund
OBJECTIVE: These studies evaluated the safety and efficacy of enteric-coated budesonide for the induction and maintenance of remission of mild-to-moderate Crohn's disease (CD) in children. METHODS: The consecutive, multicenter, open-label, non-comparative studies enrolled patients aged 6-17 years. In the induction study, patients with active CD of the ileum and/or ascending colon received budesonide 9 mg or 6 mg once daily for 8 weeks; in the maintenance study, patients in remission received budesonide 6 mg once daily for 12 weeks...
April 19, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28420167/treatment-and-prevention-of-bleeds-in-haemophilia-patients-with-inhibitors-to-factor-viii-ix
#17
REVIEW
Angiola Rocino, Massimo Franchini, Antonio Coppola
The development of alloantibodies neutralising therapeutically administered factor (F) VIII/IX (inhibitors) is currently the most severe complication of the treatment of haemophilia. When persistent and at a high titre, inhibitors preclude the standard replacement treatment with FVIII/FIX concentrates, making patients' management challenging. Indeed, the efficacy of bypassing agents, i.e., activated prothrombin complex concentrates (aPCC) and recombinant activated factor VII (rFVIIa), needed to overcome the haemostatic interference of the inhibitor, is not comparable to that of factor concentrates...
April 17, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28419345/dehydration-responsive-element-binding-transcription-factors-and-their-applications-for-the-engineering-of-stress-tolerance
#18
Pradeep K Agarwal, Kapil Gupta, Sergiy Lopato, Parinita Agarwal
Dehydration responsive element binding (DREB) factors or CRT element binding factors (CBFs) are members of the AP2/ERF family, which comprises a large number of stress-responsive regulatory genes. This review traverses almost two decades of research, from the discovery of DREB/CBF factors to their optimization for application in plant biotechnology. In this review, we describe (i) the discovery, classification, structure, and evolution of DREB genes and proteins; (ii) induction of DREB genes by abiotic stresses and involvement of their products in stress responses; (iii) protein structure and DNA binding selectivity of different groups of DREB proteins; (iv) post-transcriptional and post-translational mechanisms of DREB transcription factor (TF) regulation; and (v) physical and/or functional interaction of DREB TFs with other proteins during plant stress responses...
April 17, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28417425/overexpression-of-oshsp18-0-ci-enhances-resistance-to-bacterial-leaf-streak-in-rice
#19
Yanhu Ju, Hongjuan Tian, Ruihua Zhang, Liping Zuo, Guixiu Jin, Qian Xu, Xinhua Ding, Xiangkui Li, Zhaohui Chu
BACKGROUND: The small heat shock proteins represent a large family of proteins that respond to a wide range of abiotic and biotic stresses. OsHsp18.0-CI confers tolerance to salt and cadmium and interacts with viral RNA-dependent RNA polymerase (RdRp). However, the direct function of OsHsp18.0-CI in resistance against biotic stresses remains unclear in rice. RESULTS: Here, we report that the expression of OsHsp18.0-CI was up-regulated upon inoculation with RS105, a strain of Xanthomonas oryzae pv...
December 2017: Rice
https://www.readbyqxmd.com/read/28415767/unique-properties-of-thymic-antigen-presenting-cells-promote-epigenetic-imprinting-of-alloantigen-specific-regulatory-t-cells
#20
Garima Garg, Eirini Nikolouli, Matthias Hardtke-Wolenski, Aras Toker, Naganari Ohkura, Michael Beckstette, Takahisa Miyao, Robert Geffers, Stefan Floess, Norbert Gerdes, Esther Lutgens, Anke Osterloh, Shohei Hori, Shimon Sakaguchi, Elmar Jaeckel, Jochen Huehn
Regulatory T cells (Tregs) are potential immunotherapeutic candidates to induce transplantation tolerance. However, stability of Tregs still remains contentious and may potentially restrict their clinical use. Recent work suggested that epigenetic imprinting of Foxp3 and other Treg-specific signature genes is crucial for stabilization of immunosuppressive properties of Foxp3+ Tregs, and that these events are initiated already during early stages of thymic Treg development. However, the mechanisms governing this process remain largely unknown...
March 15, 2017: Oncotarget
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