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https://www.readbyqxmd.com/read/27936516/neuroprotection-of-hypoxic-postconditioning-against-global-cerebral-ischemia-through-influencing-posttranslational-regulations-of-heat-shock-protein-27-in-adult-rats
#1
Lixuan Zhan, Liu Liu, Kongping Li, Baoxing Wu, Dandan Liu, Donghai Liang, Haixia Wen, Yanmei Wang, Weiwen Sun, Weiping Liao, En Xu
We previously reported that hypoxic postconditioning (HPC) ameliorated hippocampal neuronal death induced by transient global cerebral ischemia (tGCI) in adult rats. However, the mechanism of HPC-induced neuroprotection is still elusive. Notably, heat shock protein 27 (Hsp27) has recently emerged as a potent neuroprotectant in cerebral ischemia. Although its robust protective effect on stroke has been recognized, the mechanism of Hsp27-mediated neuroprotection is largely unknown. Here, we investigated the potential molecular mechanism by which HPC modulates the posttranslational regulations of Hsp27 after tGCI...
December 9, 2016: Brain Pathology
https://www.readbyqxmd.com/read/27936455/non-suicidal-self-injury-and-frequency-of-suicide-attempts-the-role-of-pain-persistence
#2
Keyne C Law, Lauren R Khazem, Hyejin M Jin, Michael D Anestis
BACKGROUND: Non-suicidal self-injury (NSSI) and suicidal behavior exhibit a robust association with one another. Research on the contexts within which this relationship is stronger or weaker, however, is limited. The interpersonal theory of suicidal behavior (ITS) posits that NSSI influences suicidal behavior through a habituation to physical pain and, as such, pain tolerance has been theorized to play an important role. We tested whether pain persistence, the difference between pain threshold and pain tolerance, would moderate the relationship between frequency of NSSI and suicidal behavior in both an undergraduate and community sample...
November 20, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27936296/antiangiogenic-and-toxic-effects-of-genistein-usnic-acid-and-their-copper-complexes-in-zebrafish-embryos-at-different-developmental-stages
#3
Heidrun Draut, Tobias Rehm, Gerrit Begemann, Rainer Schobert
Angiogenesis plays a major role in the normal embryonic development and in diseases such as cancer. Drugs that control angiogenesis are an alternative way to tackle this disease. The polyphenols usnic acid 3, genistein 5, and daidzein 6 were tested for antiangiogenic and unwanted effects in zebrafish embryos whose blood vessel system resembles that of mammals. The established tyrosine kinase inhibitors axitinib 1 and tyrphostin AG490 2 were included for comparison. All compounds except 6 caused distinct antiangiogenic effects such as a concentration-dependent reduction of intersegmental vessels, dorsal longitudinal anastomotic vessels, subintestinal veins and secondary sprouts...
December 9, 2016: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/27936218/a-key-role-for-inhibins-in-dendritic-cell-maturation-and-function
#4
Roxana Olguín-Alor, Marisol de la Fuente-Granada, Laura C Bonifaz, Laura Antonio-Herrera, Eduardo A García-Zepeda, Gloria Soldevila
Inhibins are members of the TGFβ superfamily, which regulate many cellular processes including differentiation, proliferation, survival and apoptosis. Although initially described as hormones regulating the hypothalamus-pituitary-gonadal axis, based on their ability to antagonize Activins, our group has recently reported that they play a role in thymocyte differentiation and survival, as well as in thymic stromal cell maturation and nTreg generation. Here, we used Inhibin knock out mice (Inhα-/-) to investigate the role of Inhibins in peripheral dendritic cell maturation and function...
2016: PloS One
https://www.readbyqxmd.com/read/27936195/plaque-characteristics-in-coronary-artery-disease-patients-with-impaired-glucose-tolerance
#5
Keishi Suzuki, Hitoshi Takano, Yoshiaki Kubota, Keisuke Inui, Shunichi Nakamura, Yukichi Tokita, Koji Kato, Kuniya Asai, Wataru Shimizu
BACKGROUND: Impaired glucose tolerance (IGT) patients are known to have a high risk of cardiovascular events and their prognosis has been reported to be poor. The present study aimed to compare coronary plaque characteristics among coronary artery disease (CAD) patients with normal glucose tolerance (NGT), those with IGT, and those with diabetes mellitus (DM) by using optical coherence tomography (OCT). METHODS: The present study included 101 coronary artery disease patients (mean age, 67...
2016: PloS One
https://www.readbyqxmd.com/read/27936168/transcriptome-analysis-of-ceriops-tagal-in-saline-environments-using-rna-sequencing
#6
Xiaorong Xiao, Yuhui Hong, Wei Xia, Shipeng Feng, Xi Zhou, Xiumei Fu, Jian Zang, Yong Xiao, Xiaolei Niu, Chunxia Li, Yinhua Chen
Identification of genes involved in mangrove species' adaptation to salt stress can provide valuable information for developing salt-tolerant crops and understanding the molecular evolution of salt tolerance in halophiles. Ceriops tagal is a salt-tolerant mangrove tree growing in mudflats and marshes in tropical and subtropical areas, without any prior genome information. In this study, we assessed the biochemical and transcriptional responses of C. tagal to high salt treatment (500 mmol/L NaCl) by hydroponic experiments and RNA-seq...
2016: PloS One
https://www.readbyqxmd.com/read/27936160/a-cbl-interacting-protein-kinase-tacipk2-confers-drought-tolerance-in-transgenic-tobacco-plants-through-regulating-the-stomatal-movement
#7
Yan Wang, Tao Sun, Tingting Li, Meng Wang, Guangxiao Yang, Guangyuan He
In plants, the CBL-CIPK signaling pathways play key roles in the response to abiotic stresses. However, functional studies of CIPKs in the important staple crop wheat are very rare. In this study, we identified a CIPK gene from wheat, designated TaCIPK2. Expression analysis results showed that TaCIPK2 could be up-regulated in wheat leaves by polyethylene glycol, abscisic acid and H2O2 treatments. Subcellular localization analyses revealed that TaCIPK2 was present in whole wheat epidermal cells. A yeast two-hybrid assay indicated that TaCIPK2 interacted with TaCBL1, 2, 3 and 4 in vitro...
2016: PloS One
https://www.readbyqxmd.com/read/27936142/gene-co-expression-network-analysis-unraveling-transcriptional-regulation-of-high-altitude-adaptation-of-tibetan-pig
#8
Cunling Jia, Xiaoyan Kong, James E Koltes, Xiao Gou, Shuli Yang, Dawei Yan, Shaoxiong Lu, Zehui Wei
Tibetan pigs have survived at high altitude for millennia and they have a suite of adaptive features to tolerate the hypoxic environment. However, the molecular mechanisms underlying the regulation of hypoxia-adaptive phenotypes have not been completely elucidated. In this study, we analyzed differentially expressed genes (DEGs), biological pathways and constructed co-expression regulation networks using whole-transcriptome microarrays from lung tissues of Tibetan and Duroc pigs both at high and low altitude...
2016: PloS One
https://www.readbyqxmd.com/read/27936083/effectiveness-and-cost-effectiveness-of-a-cluster-randomized-prenatal-lifestyle-counseling-trial-a-seven-year-follow-up
#9
Päivi Kolu, Jani Raitanen, Jatta Puhkala, Pipsa Tuominen, Pauliina Husu, Riitta Luoto
There is a link between the pregnancy and its long-term influence on health and susceptibility to future chronic disease both in mother and offspring. The objective was to determine whether individual counseling on physical activity and diet and weight gain at five antenatal visits can prevent type 2 diabetes mellitus (T2DM) and overweight or improve glycemic parameters, among all at-risk-mothers and their children. Another objective was to evaluate whether gestational lifestyle intervention was cost-effective as measured with mother's sickness absence and quality-adjusted life years (QALY)...
2016: PloS One
https://www.readbyqxmd.com/read/27936012/sugarcane-transcriptome-analysis-in-response-to-infection-caused-by-acidovorax-avenae-subsp-avenae
#10
Ailton B Santa Brigida, Cristian A Rojas, Clícia Grativol, Elvismary M de Armas, Júlio O P Entenza, Flávia Thiebaut, Marcelo de F Lima, Laurent Farrinelli, Adriana S Hemerly, Sérgio Lifschitz, Paulo C G Ferreira
Sugarcane is an important tropical crop mainly cultivated to produce ethanol and sugar. Crop productivity is negatively affected by Acidovorax avenae subsp avenae (Aaa), which causes the red stripe disease. Little is known about the molecular mechanisms triggered in response to the infection. We have investigated the molecular mechanism activated in sugarcane using a RNA-seq approach. We have produced a de novo transcriptome assembly (TR7) from sugarcane RNA-seq libraries submitted to drought and infection with Aaa...
2016: PloS One
https://www.readbyqxmd.com/read/27935990/hyperalgesia-and-persistent-pain-after-breast-cancer-surgery-a-prospective-randomized-controlled-trial-with-perioperative-cox-2-inhibition
#11
Noud van Helmond, Monique A Steegers, Gertie P Filippini-de Moor, Kris C Vissers, Oliver H Wilder-Smith
BACKGROUND: Persistent pain is a challenging clinical problem after breast cancer treatment. After surgery, inflammatory pain and nociceptive input from nerve injury induce central sensitization which may play a role in the genesis of persistent pain. Using quantitative sensory testing, we tested the hypothesis that adding COX-2 inhibition to standard treatment reduces hyperalgesia after breast cancer surgery. A secondary hypothesis was that patients developing persistent pain would exhibit more postoperative hyperalgesia...
2016: PloS One
https://www.readbyqxmd.com/read/27935949/alpha-helices-are-more-robust-to-mutations-than-beta-strands
#12
György Abrusán, Joseph A Marsh
The rapidly increasing amount of data on human genetic variation has resulted in a growing demand to identify pathogenic mutations computationally, as their experimental validation is currently beyond reach. Here we show that alpha helices and beta strands differ significantly in their ability to tolerate mutations: helices can accumulate more mutations than strands without change, due to the higher numbers of inter-residue contacts in helices. This results in two patterns: a) the same number of mutations causes less structural change in helices than in strands; b) helices diverge more rapidly in sequence than strands within the same domains...
December 2016: PLoS Computational Biology
https://www.readbyqxmd.com/read/27935917/safety-and-efficacy-of-azathioprine-as-a-second-line-therapy-for-primary-immune-thrombocytopenic-purpura
#13
B S Poudyal, B Sapkota, G S Shrestha, S Thapalia, B Gyawali, S Tuladhar
INTRODUCTION: Immune thrombocytopenic purpura remains common blood disease in Nepal. Azathioprine is an oral immunosupressive medicine which has been used widely in various autoimmune disease and solid organ transplant patients. It is inexpensive, easily available and well tolerated medicine. This study was carried out to evaluate efficacy and safety of azathioprine as a second line medicine for primary ITP patients who were refractory to steroid therapy. METHODS: The observational, pre-post study was conducted at Government of Nepal Civil Service Hospital, Kathmandu from January to October 2014...
July 2016: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/27935878/-five-year-results-of-treating-patients-with-chronic-lower-limb-ischaemia-by-means-of-gene-engineering
#14
Yu V Chervyakov, I N Staroverov, O N Vlasenko, I Ya Bozo, A A Isaev, R V Deev
The authors share their experience in comprehensive conservative treatment of patients presenting with chronic lower limb ischaemia (CLLI) associated with atherosclerosis of peripheral arteries by means of the first Russian registered gene therapeutic agent "Neovasculgen" (plasmid with the vegf165 gene), analysing the long-term outcomes of treating a total of 45 patients with stage II and III CLLI according to the classification of Pokrovsky-Fontain. The patients were followed up for 5 years. Efficacy of treatment was assessed by registering the dynamics of the pain-free walking distance (PFWD), linear blood velocity (LBV), ankle-brachial index (ABI), as well as the limb salvage rate and survival of patients...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/27935844/cooperative-evolutionary-strategy-between-the-bacteriome-and-mycobiome
#15
Mahmoud Ghannoum
Nonhealing chronic wounds are all unique in origin and circumstance, and attempting to isolate a single etiology for the failure of a wound to heal is daunting. Wounds represent complex systems of multispecies fungal and bacterial biofilms. The survival strategies of interactive microbial communities have led to cooperative evolutionary strategies that culminate in biofilm formation. In microbial dysbiosis, biofilms are beneficial to both bacterial and fungal communities but detrimental to the host. Fungi benefit by a surge in their virulence factors, while bacteria become tolerant to antibacterials as a consequence of living under the protective umbrella of the biofilm matrix...
November 15, 2016: MBio
https://www.readbyqxmd.com/read/27935773/lung-protective-ventilation
#16
Rex A Marley, Kaycee Simon
Historically, mechanical ventilation of the lungs utilizing relatively large tidal volumes was common practice in the operating room and intensive care unit (ICU). The rationale behind this treatment strategy was to yield better patient outcomes, that is, fewer pulmonary complications, and a reduction in morbidity and mortality. As evidence-based practice has evolved, potential harmful effects of traditional, nonphysiological mechanical ventilation (ventilation with larger tidal volumes and the tolerance of high airway pressures) even in shortterm treatment have been shown to correlate with systemic inflammation and the development of ventilator-associated lung injury...
January 2017: Annual Review of Nursing Research
https://www.readbyqxmd.com/read/27935476/assessing-the-mechanism-and-therapeutic-potential-of-modulators-of-the-human-mediator-complex-associated-protein-kinases
#17
Paul Andrew Clarke, Maria-Jesus Ortiz-Ruiz, Robert TePoele, Olajumoke Adeniji-Popoola, Gary Box, Will Court, Stefanie Czasch, Samer El Bawab, Christina Esdar, Ken Ewan, Sharon Gowan, Alexis De Haven Brandon, Phllip Hewitt, Stephen M Hobbs, Wolfgang Kaufmann, Aurélie Mallinger, Florence Raynaud, Toby Roe, Felix Rohdich, Kai Schiemann, Stephanie Simon, Richard Schneider, Melanie Valenti, Stefan Weigt, Julian Blagg, Andree Blaukat, Trevor C Dale, Suzanne A Eccles, Stefan Hecht, Klaus Urbahns, Paul Workman, Dirk Wienke
Mediator-associated kinases CDK8/19 are context-dependent drivers or suppressors of tumorigenesis. Their inhibition is predicted to have pleiotropic effects, but it is unclear whether this will impact on the clinical utility of CDK8/19 inhibitors. We discovered two series of potent chemical probes with high selectivity for CDK8/19. Despite pharmacodynamic evidence for robust on-target activity, the compounds exhibited modest, though significant, efficacy against human tumor lines and patient-derived xenografts...
December 9, 2016: ELife
https://www.readbyqxmd.com/read/27935443/acceptability-and-tolerability-of-omega-3-fatty-acids-as-adjunctive-treatment-for-children-and-adolescents-with-eating-disorders
#18
Julia Woo, Jennifer Couturier, Bharadwaj Pindiprolu, Lindsay Picard, Charlotte Maertens, Anick Leclerc, Sheri Findlay, Natasha Johnson, Christina Grant, Melissa Kimber
The objective of this study was to examine the acceptability and tolerability of omega-3 fatty acids as an adjunctive treatment for children and adolescents with eating disorders (EDs). Children and adolescents with EDs received omega-3 supplements (300 mg eicosapentaenoic acid [EPA] and 200 mg docosahexaenoic acid [DHA]/day) in addition to standard treatment for 8 weeks. Primary outcomes were dropout rate, compliance, and side effects. Secondary outcomes included percent ideal body weight, Eating Disorders Inventory-3 (EDI-3), Children's Depression Inventory-2 (CDI-2), and Multidimensional Anxiety Scale for Children (MASC)...
December 9, 2016: Eating Disorders
https://www.readbyqxmd.com/read/27935412/rice-oserf71-mediated-root-modification-affects-shoot-drought-tolerance
#19
Dong-Keun Lee, Suin Yoon, Youn Shic Kim, Ju-Kon Kim
Drought is the most serious problem that impedes crop development and productivity worldwide. Although several studies have documented the root architecture adaption for drought tolerance, little is known about the underlying molecular mechanisms. Our latest study demonstrated that overexpression of the OsERF71 in rice roots under drought conditions modifies root structure including larger aerenchyma and radial root growth, and thereby, protects the rice plants from drought stresses. The OsERF71-mediated root modifications are caused by combinatory overexpression of general stress-inducible, cell wall-associated and lignin biosynthesis genes that contribute to drought tolerance...
December 9, 2016: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/27935306/phosphoric-acid-catalyzed-asymmetric-synthesis-of-spinol-derivatives
#20
Shaoyu Li, Ji-Wei Zhang, Xian-Lin Li, Dao-Juan Cheng, Bin Tan
Axially chiral 1,1'-spirobiindane-7,7'-diol (SPINOL) is the most fundamental and important privileged structure from which other chiral ligands containing a 1,1'-spirobiindane backbone are synthesized. Driven by the development of enantioselective syntheses of axially chiral SPINOL derivatives, we have successfully developed the first phosphoric acid-catalyzed asymmetric approach. This approach is highly convergent and functional group tolerant, efficiently providing SPINOLs in good yield with excellent enantioselectivity, thus delivering a practical and straightforward access to this privileged structure...
December 9, 2016: Journal of the American Chemical Society
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