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https://www.readbyqxmd.com/read/28433499/changes-in-the-expression-of-metabotropic-glutamate-receptor-5-mglur5-in-a-ketamine-based-animal-model-of-schizophrenia
#1
Dariusz Zurawek, Anna Salerno-Kochan, Marta Dziedzicka-Wasylewska, Agnieszka Nikiforuk, Tomasz Kos, Piotr Popik
It has been shown that the metabotropic glutamate receptor subtype 5 (mGluR5) is functionally associated with the NMDA subtype of the glutamate receptor family (NMDA receptors). These two receptors colocalize in brain regions associated with schizophrenia. Although the role of the NMDA receptor in cognitive and negative symptoms of schizophrenia is well studied, information about the role of mGluR5 receptors in schizophrenia is sparse. In our work, we show that subchronic administration of ketamine, a well-studied, non-competitive antagonist of NMDA receptors, caused cognitive deficits in rats as shown by testing novel object recognition (NOR)...
April 19, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28433473/sex-difference-in-the-heat-shock-response-to-high-external-load-resistance-training-in-older-humans
#2
Rose Njemini, Louis Nuvagah Forti, Tony Mets, Evelien Van Roie, Walter Coudyzer, Ingo Beyer, Christophe Delecluse, Ivan Bautmans
BACKGROUND: Literature reports on the effects of resistance training on heat shock protein70 (Hsp70) adaptation in older subjects are scarce. Moreover, the optimum training load required to obtain a beneficial adaptation profile is lacking. Therefore, the aim of this study was to determine the effects of resistance training at various external loads on extracellular Hsp70 (eHsp70) resting levels in older humans. METHODS: Fifty-six community-dwelling older (68±5years) volunteers were randomized to 12weeks of resistance training (3×/week) at either high-resistance (HIGH, 8 males, 10 females, 2×10-15 repetitions at 80%1RM), low resistance (LOW, 9 Males, 10 Females, 1×80-100 repetitions at 20%1RM), or mixed low resistance (LOW+, 9 Males, 10 Females, 1×60 repetitions at 20%1RM followed by 1×10-20 repetitions at 40%1RM)...
April 19, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28433418/binge-alcohol-alters-pnpla3-levels-in-liver-through-epigenetic-mechanism-involving-histone-h3-acetylation
#3
REVIEW
Ricardo J Restrepo, Robert W Lim, Ronald J Korthuis, Shivendra D Shukla
The human PNPLA3 (patatin-like phospholipase domain-containing 3) gene codes for a protein which is highly expressed in adipose tissue and liver, and is implicated in lipid homeostasis. While PNPLA3 protein contains regions homologous to functional lipolytic proteins, the regulation of its tissue expression is reflective of lipogenic genes. A naturally occurring genetic variant of PNPLA3 in humans has been linked to increased susceptibility to alcoholic liver disease. We have examined the modulatory effect of alcohol on PNPLA3 protein and mRNA expression as well as the association of its gene promoter with acetylated histone H3K9 by chromatin immunoprecipitation (ChIP) assay in rat hepatocytes in vitro, and in vivo in mouse and rat models of acute binge, chronic, and chronic followed by acute binge ethanol administration...
March 12, 2017: Alcohol
https://www.readbyqxmd.com/read/28433157/enhanced-mechanical-properties-of-chitosan-nanodiamond-composites-by-improving-interphase-using-thermal-oxidation-of-nanodiamond
#4
Zahra Delavar, Akbar Shojaei
Polymer composite films based on chitosan (CS) and nanodimaond (ND) were prepared using solution casting method. ND with variable contents of carboxylic functional group was prepared using thermal oxidation at temperature of 420°C under air atmosphere at various durations of 1.5 and 4.5h. The interfacial interaction between NDs and CS and morphological evolution of CS in presence of NDs were investigated by Fourier transform infrared (FTIR), differential scanning calorimeter (DSC) and X-ray diffraction (XRD) analyses...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28432969/quantitative-effects-of-amination-degree-on-the-magnetic-iron-oxide-nanoparticles-mionps-using-as-adsorbents-to-remove-aqueous-heavy-metal-ions
#5
Sen Lin, Meng Xu, Wei Zhang, Xiufu Hua, Kuangfei Lin
The hierarchical effect of amine-functionalization on nanoparticle properties, magnetism especially, and adsorption of Cu(2+), Ni(2+), Pb(2+) and Zn(2+) by aminated MIONPs were investigated elaboratively. The results reflected that the dispersibility and stability of nanoparticles in aqueous solution were both enhanced as MIONPs grafted with amine groups, while saturation magnetism and magnetic recovery conveniences had a negatively correlative relation with the amination degree. In addition, the adsorption performances of Cu(2+), Ni(2+), Pb(2+) and Zn(2+) by different aminated MIONPs were also studied comprehensively...
January 16, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28432690/sucking-behaviour-in-infants-born-preterm-and-developmental-outcomes-at-primary-school-age
#6
Mechteld I Wolthuis-Stigter, Saakje P Da Costa, Arend F Bos, Wim P Krijnen, Cees P Van Der Schans, Margreet R Luinge
AIM: To determine the association between sucking in infants born preterm and developmental outcomes at 5 years. METHOD: Thirty-four infants were included (mean gestational age 30wks 4d, mean birthweight 1407g). The Neonatal Oral-Motor Assessment Scale was used longitudinally from 37 to 50 weeks postmenstrual age. At 5 years, we assessed motor skills, intelligence, language, verbal memory, and behavioural problems. Linear regression analyses were performed to test whether aspects of sucking behaviour predicted these developmental outcomes...
April 22, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28432348/white-spot-syndrome-virus-vp28-specific-double-stranded-rna-provides-protection-through-a-highly-focused-sirna-population
#7
Pål Nilsen, Marius Karlsen, Kallaya Sritunyalucksana, Siripong Thitamadee
Several studies have demonstrated that injection of double-stranded RNAs (dsRNA) homologous to mRNA for the white spot syndrome virus (WSSV) viral protein 28 (VP28) can induce protection in shrimp against WSSV through RNA interference (RNAi). In comparison to shrimp injected with either PBS or a green fluorescent protein (GFP) nonspecific dsRNA, we obtained nearly complete protection against WSSV infection in shrimp injected with VP28 dsRNA. Upregulation of host genes associated with small RNA silencing was measured 48 hours post treatment in groups injected with dsRNA, and although the VP28-treated group remained moderately upregulated after challenge with WSSV, many-fold higher induction was observed in both control groups reflecting the ongoing viral infection...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28431895/hemolymph-proteins-of-anopheles-gambiae-larvae-infected-by-escherichia-coli
#8
Xuesong He, Xiaolong Cao, Yan He, Krishna Bhattarai, Janet Rogers, Steve Hartson, Haobo Jiang
Anopheles gambiae is a major vector of human malaria and its immune system in part determines the fate of ingested parasites. Proteins, hemocytes and fat body in hemolymph are critical components of this system, mediating both humoral and cellular defenses. Here we assessed differences in the hemolymph proteomes of water- and E. coli-pricked mosquito larvae by a gel-LC-MS approach. Among the 1756 proteins identified, 603 contained a signal peptide but accounted for two-third of the total protein amount on the quantitative basis...
April 18, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28431620/role-of-inflammatory-molecules-in-the-alzheimer-s-disease-progression-and-diagnosis
#9
REVIEW
Eva Bagyinszky, Vo Van Giau, Kyuhwan Shim, Kyoungho Suk, Seong Soo A An, SangYun Kim
Alzheimer's disease (AD) is a complex disorder and the most common form of neurodegenerative dementia. Several genetic, environmental, and physiological factors, including inflammations and metabolic influences, are involved in the progression of AD. Inflammations are composed of complicated networks of many chemokines and cytokines with diverse cells. Inflammatory molecules are needed for the protection against pathogens, and maintaining their balances is important for normal physiological function. Recent studies demonstrated that inflammation may be involved in neurodegenerative dementia...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28431615/association-between-ptgs1-polymorphisms-and-functional-outcomes-in-chinese-patients-with-stroke-during-aspirin-therapy-interaction-with-smoking
#10
Huan Cai, Biyang Cai, Lingli Sun, Hao Zhang, Shuyu Zhou, Liping Cao, Hongquan Guo, Wen Sun, Bernard Yan, Stephen M Davis, Zhizhong Zhang, Xinfeng Liu
PURPOSE: Prostaglandin-Endoperoxide Synthase 1 (PTGS1) and smoking may play important roles in aspirin nonresponsiveness, but the effect of their interaction on stroke outcomes remains largely unknown. We examined the effects of PTGS1 polymorphisms, smoking status, and their interaction on functional outcomes in a cohort of Chinese Han patients with stroke during aspirin therapy. METHODS: A total of 617 ischemic stroke patients taking aspirin were enrolled. Three single nucleotide polymorphisms (SNPs) rs1330344, rs3842788, and rs5788 in PTGS1 were determined for genotyping...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28431488/core-vocabulary-of-young-children-with-down-syndrome
#11
Stijn R J M Deckers, Yvonne Van Zaalen, Hans Van Balkom, Ludo Verhoeven
The aim of this study was to develop a core vocabulary list for young children with intellectual disabilities between 2 and 7 years of age because data from this population are lacking in core vocabulary literature. Children with Down syndrome are considered one of the most valid reference groups for researching developmental patterns in children with intellectual disabilities; therefore, spontaneous language samples of 30 Dutch children with Down syndrome were collected during three different activities with multiple communication partners (free play with parents, lunch- or snack-time at home or at school, and speech therapy sessions)...
June 2017: Augmentative and Alternative Communication: AAC
https://www.readbyqxmd.com/read/28431037/gestational-diabetes-alters-functions-in-offspring-s-umbilical-cord-cells-with-implications-for-cardiovascular-health
#12
Ajith Isaac Amrithraj, Anjaneyulu Kodali, Linh Nguyen, Adrian Kee Keong Teo, Cheng Wei Chang, Neerja Karnani, Kai Lyn Ng, Peter D Gluckman, Yap Seng Chong, Walter Stünkel
As non-communicable diseases such as type 2 diabetes mellitus have their roots in prenatal development and conditions such as maternal gestational diabetes (GDM), we aimed to test this hypothesis in primary cells derived from the offspring of GDM mothers compared to control subjects. We have assessed primary umbilical cord derived cells such as human umbilical vein endothelial cells (HUVECs) and Wharton's jelly derived mesenchymal stem cells (WJMSCs) from both, the offspring of GDM and non-GDM mothers. We have compared the primary isolates in cell based assays measuring proliferation, mitochondrial oxygen consumption, and the ability to support blood vessel growth...
April 19, 2017: Endocrinology
https://www.readbyqxmd.com/read/28430980/the-relationship-between-symptom-relief-and-psychosocial-functional-improvement-during-acute-electroconvulsive-therapy-for-patients-with-major-depressive-disorder
#13
Ching-Hua Lin, Wei-Cheng Yang
Background: We aimed to compare the degree of symptom relief to psychosocial functional (abbreviated as "functional") improvement and explore the relationships between symptom relief and functional improvement during acute electroconvulsive therapy (ECT) for patients with major depressive disorder (MDD). Methods: MDD inpatients (N=130) requiring ECT were recruited. ECT was generally performed for a maximum of 12 treatments. Symptom severity, using the 17-item Hamilton Depression Rating Scale (HAMD-17), and psychosocial functioning (abbreviated as "functioning"), using the Modified Work and Social Adjustment Scale (MWSAS), were assessed before ECT, after every 3 ECT treatments, and after the final ECT...
April 18, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28430883/ten-year-results-of-aortic-valve-replacement-with-first-generation-mitroflow-bioprosthesis-is-early-degeneration-a-structural-or-a-technical-issue
#14
Liesbeth Lootens, Jonas Verbeke, Thomas Martens, Tine Philipsen, Frank Caes, Yves Van Belleghem, Guido Van Nooten, Katrien François, Dirk De Bacquer, Thierry Bove
OBJECTIVES: Concerns have been raised about the durability of the first-generation Mitroflow aortic bioprosthesis (model 12 A-LX) due to the lack of anticalcification treatment. This study reflects a 10-year experience with this prosthesis for aortic valve replacement. METHODS: From June 2003 to May 2012, the Mitroflow prosthesis was used for aortic valve replacement in 510 patients, of whom only 467 with complete clinical follow-up were included for analysis. Study end-points were survival and incidence of structural valve degeneration (SVD)...
April 19, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28430779/a-coevolution-analysis-for-identifying-protein-protein-interactions-by-fourier-transform
#15
Changchuan Yin, Stephen S-T Yau
Protein-protein interactions (PPIs) play key roles in life processes, such as signal transduction, transcription regulations, and immune response, etc. Identification of PPIs enables better understanding of the functional networks within a cell. Common experimental methods for identifying PPIs are time consuming and expensive. However, recent developments in computational approaches for inferring PPIs from protein sequences based on coevolution theory avoid these problems. In the coevolution theory model, interacted proteins may show coevolutionary mutations and have similar phylogenetic trees...
2017: PloS One
https://www.readbyqxmd.com/read/28430443/theoretical-investigation-of-the-binding-of-nucleobases-to-cucurbiturils-by-dispersion-corrected-dft-approaches
#16
Natarajan Sathiyamoorthy Venkataramanan, Ambigapathy Suvitha
The encapsulation of nucleobases, inside CB7 has gained prominence due to its use as anticancer and antiviral drugs. With this respect, the nonconvalent interactions exists in the nucleobases encapsulated inside the CB7 cavity have been analyzed employing the dispersion corrected density functional theory. The CBn cavity has the ability to encapsulate two guest nucleobases molecules, when they are aligned in parallel configuration. The computed association energy using the two and three body correction method computed at B3LYP-D3 level is close to the experimental estimate...
April 21, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28430334/chondro-keratoprosthesis-an-alternative-to-ookp
#17
Louis Hoffart, Laurent Guyot
PURPOSE: To evaluate the use of cartilage as a potential graft material toward osteo-odontal tissue replacement in keratoprosthesis surgery. METHODS: We describe a modification of the osteo-odonto-keratoprosthesis surgery that involves the use of autologous auricular conchal cartilage graft (ACCG). In stage 1a, a full-thickness cheek mucosa graft was performed over the ocular surface. In stage 1b, ACCG was harvested via a retroauricular approach. An optical polymethyl-methacrylate cylinder was embedded into a double-layered fragment of cartilage and secured by cyanoacrylate glue...
April 4, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28430249/study-of-a-reflection-grating-used-in-littrow-mount
#18
D M Capps
The near and far fields of a finite conductivity metallic grating with symmetrical triangular facets, used in Littrow mount, are studied. A new Green's function approach, based on the Hertz vector, is introduced and used to propagate throughout a two-dimensional domain. The field quantity of primary interest is Poynting's vector; however, the stored power is also calculated. In assessing the fields generated by the propagator, a quasi-periodic dependence of output characteristics on the grating depth to period ratio, discussed in the literature, is also found in the present study...
April 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/28429964/global-mental-health-autonomy-and-medical-paternalism-reconstructing-the-french-ethical-tradition-in-psychiatry
#19
Tiago Pires Marques
In the last few decades, the definition of deontological ethics, a well-identified ethical territory in psychiatry, has been the object of increasing concerns. This has been the case in France, where claims of a specific ethical tradition in psychiatry have accompanied the institutionalization of psychiatric ethics and the perceived globalization of an Anglo-American model of mental health care. This study traces the history of the 'French ethical tradition in psychiatry' and its relationship with establishing institutional spaces for ethical decision-making...
April 1, 2017: History of Psychiatry
https://www.readbyqxmd.com/read/28429857/ndufa4l2-protects-against-ischemia-reperfusion-induced-cardiomyocyte-apoptosis-and-mitochondrial-dysfunction-by-inhibiting-complex-i
#20
Jianhua Li, Caiyan Bai, Junxia Guo, Wanqian Liang, Jingning Long
Myocardial ischemia/reperfusion (I/R) injury may cause the apoptosis of cardiomyocytes as well as mitochondrial dysfunction. The aims of the present study were to investigate whether NADH dehydrogenase 1 alpha subcomplex subunit 4-like 2 (NDUFA4L2) on myocardial ischemia-reperfusion (I/R) injury and the underlying molecular mechanism. The hypoxia-reperfusion (H/R) model was established in vitro using H9c2 cells to simulate I/R injury. NDUFA4L2 and complex I expression levels were detected using RT-PCR and western blot...
April 21, 2017: Clinical and Experimental Pharmacology & Physiology
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