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https://www.readbyqxmd.com/read/28214985/melatonin-alleviates-the-epilepsy-associated-impairments-in-hippocampal-ltp-and-spatial-learning-through-rescue-of-surface-glur2-expression-at-hippocampal-ca1-synapses
#1
Yue Ma, Xiaolong Sun, Juan Li, Ruihua Jia, Fang Yuan, Dong Wei, Wen Jiang
Epilepsy-associated cognitive impairment is common, and negatively impacts patients' quality of life. However, most antiepileptic drugs focus on the suppression of seizures, and fewer emphasize treatment of cognitive dysfunction. Melatonin, an indolamine synthesized primarily in the pineal grand, is reported to be neuroprotective against several central nervous system disorders. In this study, we investigated whether melatonin could reverse cognitive dysfunction in lithium-pilocarpine treated rats. Chronic treatment with melatonin (8 mg/kg daily for 15 days) after induction of status epilepticus significantly alleviated seizure severity, reduced neuronal death in the CA1 region of the hippocampus, improved spatial learning (as measured by the Morris water maze test), and reversed LTP impairments, compared to vehicle treatment...
February 18, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28214945/characterization-of-tunneling-nanotubes-in-wharton-s-jelly-mesenchymal-stem-cells-an-intercellular-exchange-of-components-between-neighboring-cells
#2
Viviana Sanchez, Nerina Villalba, Luciano Fiore, Carlos Luzzani, Santiago Miriuka, Alberto Boveris, Ricardo J Gelpi, Alicia Brusco, Juan José Poderoso
Intercellular communication is one of the most important events in cell population behavior. In the last decade, tunneling nanotubes (TNTs) have been recognized as a new form of long distance intercellular connection. TNT function is to allow molecular and subcellular structure exchange between neighboring cells via the transfer of molecules and organelles such as calcium ions, prions, viral and bacterial pathogens, small lysosomes and mitochondria. New findings support the concept that mesenchymal stem cells (MSCs) can affect cell microenvironment by the release of soluble factors or the transfer of cellular components to neighboring cells, in a way which significantly contributes to cell regulation and tissue repair, although the underlying mechanisms remain poorly understood...
February 18, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28214928/dendritic-cell-rehab-new-strategies-to-unleash-therapeutic-immunity-in-ovarian-cancer
#3
REVIEW
Chang-Suk Chae, Eli Teran-Cabanillas, Juan R Cubillos-Ruiz
Immune-based therapies that induce remarkable and durable responses against melanoma and lung cancer have unfortunately demonstrated limited success in ovarian cancer patients. This is likely due to the exceptional immunoregulatory nature of ovarian tumors, which employ numerous strategies to effectively suppress anti-tumor immunity. Here, we summarize a decade of research indicating that ovarian cancers possess an exquisite capacity to subvert the activity of host dendritic cells (DCs) as a key mechanism to impede the development and maintenance of protective T cell-based immune responses...
February 18, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28214598/three-stats-are-involved-in-the-regulation-of-the-expression-of-antimicrobial-peptides-in-the-triangle-sail-mussel-hyriopsis-cumingii
#4
Yun-Jia Dai, Kai-Min Hui, Ying-Hao Zhang, Yan Liu, Yu-Qing Wang, Li-Juan Zhao, Li Lin, Lian-Qin Chai, Shun Wei, Jiang-Feng Lan
Janus kinase (Jak) and signal transducers and activators of transcription (STAT) signaling pathway is associated in antiviral and antibacterial immune response. Previous studies primarily investigated the function of STATs in mammals. For most invertebrates, only one STAT was found in each species, such as STAT92E was found in Drosophila melanogaster. The studies, which focus on the functional difference between various STATs in the same species of invertebrate, are limited. In the present study, three STATs (HcSTAT1, HcSTAT2 and HcSTAT3) were identified in triangle shell pearl mussel, Hyriopsis cumingii...
February 15, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28214335/the-role-of-c-ski-in-regulation-of-tgf%C3%AE-induced-human-cardiac-fibroblast-proliferation-and-ecm-protein-expression
#5
Juan Wang, Liping Guo, Difei Shen, Xiao Xu, Jiaping Wang, Suxia Han, Wen He
Cardiac fibrosis is characterized by over-deposition of extracellular matrix (ECM) proteins and over-proliferation of cardiac fibroblast, and contributes to both systolic and diastolic dysfunction in many cardiac pathophysiologic conditions. Transforming growth factor β 1 (TGFβ1) is as an essential inducing factor of cardiac fibrosis. C-Ski protein has been identified as an inhibitory regulator of TGFβ signaling. In the present study, we revealed the repressive effect of c-Ski on TGFβ1-induced human cardiac fibroblast (HCFB) proliferation and ECM protein increase (Collagen I and α-SMA)...
February 18, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28214276/-in-vitro-antifungal-activity-of-azoles-and-amphotericin-b-against-malassezia-furfur-by-the-clsi-m27-a3-microdilution-and-etest-%C3%A2-methods
#6
Juan Camilo Galvis-Marín, María Ximena Rodríguez-Bocanegra, Adriana Del Pilar Pulido-Villamarín, Rubiela Castañeda-Salazar, Adriana Marcela Celis-Ramírez, Melva Yomary Linares-Linares
BACKGROUND: Malassezia furfur is a human skin commensal yeast that can cause skin and opportunistic systemic infections. Given its lipid dependant status, the reference methods established by the Clinical and Laboratory Standards Institute (CLSI) to evaluate antifungal susceptibility in yeasts are not applicable. AIMS: To evaluate the in vitro susceptibility of M. furfur isolates from infections in humans to antifungals of clinical use. METHODS: The susceptibility profile to amphotericin B, itraconazole, ketoconazole and voriconazole of 20 isolates of M...
February 14, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28214246/wolff-parkinson-white-syndrome-associated-with-a-fistula-between-the-right-atrial-appendage-and-right-ventricle
#7
Ignacio Roy, Virginia Álvarez, José-Miguel Ormaetxe, Jesús-Daniel Martínez-Alday, Ramón Pérez-Caballero, Juan Miguel Gil-Jaurena
No abstract text is available yet for this article.
February 14, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28213857/management-of-overactive-bladder-in-the-face-of-high-grade-prolapse
#8
REVIEW
Juan Guzman-Negron, Sandip Vasavada
Patients with pelvic organ prolapse (POP) may present with a large combination of symptoms including overactive bladder (OAB) symptoms such as urgency, frequency, and urgency incontinence. The explanation as to why these symptoms are more prevalent in POP patients is not clearly understood, but there seems to be an overall agreement that prolapse-induced bladder outlet obstruction (BOO) may trigger bladder changes resulting in OAB symptoms. Presuming this to be true, many of the studies managing OAB in POP patients have focused on the surgical management of prolapse and its aftermath, which in many of the patients leads to improvement of OAB symptoms...
February 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28213817/breakthrough-cancer-pain-and-rational-drug-use
#9
Juan Manuel Núñez Olarte
Recent data indicate that there are large disparities in the use of opioid analgesics to control breakthrough cancer pain (BTcP) in Europe and worldwide. While it is clear that affordability is a key factor, it is certainly not the only one, and other factors, such as cultural differences and overall awareness, are undoubtedly responsible. More work remains to be done to overcome barriers in the use of these medications when warranted. When prescribing a medication for BTcP, it must be considered that its time profile is different from chronic persistent pain...
February 18, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28213547/laboratory-selection-and-characterization-of-resistance-to-the-bacillus-thuringiensis-vip3aa-toxin-in-heliothis-virescens-lepidoptera-noctuidae
#10
Brian R Pickett, Asim Gulzar, Juan Ferré, Denis J Wright
Laboratory selection with Vip3Aa of a field-derived population of Heliothis virescens produced >2040-fold resistance in 12 generations of selection. The Vip-Sel resistant population showed little cross-resistance to Cry1Ab and no cross-resistance to Cry1Ac. Resistance was unstable after 15 generations without exposure to the toxin. F1 reciprocal crosses between Vip-Unsel and Vip-Sel indicated a strong paternal influence on the inheritance of resistance. Resistance ranged from almost completely recessive (mean h = 0...
February 17, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28213263/determination-of-n-nitrosodiethanolamine-in-cosmetic-products-by-reversed-phase-dispersive-liquid-liquid-microextraction-followed-by-liquid-chromatography
#11
Alberto Chisvert, Juan L Benedé, María Peiró, Isabel Pedrón, Amparo Salvador
A new analytical method for the determination of N-nitrosodiethanolamine (NDELA), a very harmful compound not allowed in cosmetic products, is presented. The method is based on a new approach of dispersive liquid-liquid microextraction (DLLME) useful for extraction of highly polar compounds, called reversed-phase DLLME (RP-DLLME), followed by liquid chromatography-ultraviolet/visible (LC-UV/Vis) determination. The variables involved in the RP-DLLME process were studied to provide the best enrichment factors...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28213249/on-line-flow-injection-molecularly-imprinted-solid-phase-extraction-for-the-preconcentration-and-determination-of-1-hydroxypyrene-in-urine-samples
#12
Montserrat Serrano, Mónica Bartolomé, Juan Carlos Bravo, Gema Paniagua, Judith Gañan, Alejandrina Gallego-Picó, Rosa María Garcinuño
New analytical strategies tend to automation of sample pre-treatment and flow analysis techniques provided a number of enhanced analytical methods allowing high throughput. Flow techniques are usually faster, more robust and more flexible than their batch equivalents. In addition, flow methods use less sample and reagent amounts and reduce analytical costs and waste. A flow injection solid-phase extraction pre-concentration system using a molecularly imprinted polymer (MIP) packed micro-column was developed for the determination of 1-hydroxypyrene in human urine with fluorescence detection...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28212966/estimating-preferences-for-complex-health-technologies-lessons-learned-and-implications-for-personalized-medicine
#13
Deborah A Marshall, Juan Marcos Gonzalez, Karen V MacDonald, F Reed Johnson
We examine key study design challenges of using stated-preference methods to estimate the value of whole-genome sequencing (WGS) as a specific example of genomic testing. Assessing the value of WGS is complex because WGS provides multiple findings, some of which can be incidental in nature and unrelated to the specific health concerns that motivated the test. In addition, WGS results can include actionable findings (variants considered to be clinically useful and can be acted on), findings for which evidence for best clinical action is not available (variants considered clinically valid but do not meet as high of a standard for clinical usefulness), and findings of unknown significance...
January 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28212906/utility-of-failure-mode-and-effect-analysis-to-improve-safety-in-suctioning-by-orotracheal-tube
#14
Agustín Vázquez-Valencia, Andrés Santiago-Sáez, Bernardo Perea-Pérez, Elena Labajo-González, Maria Elena Albarrán-Juan
OBJECTIVE: The objective of the study was to use the Failure Mode and Effect Analysis (FMEA) tool to analyze the technique of secretion suctioning on patients with an endotracheal tube who were admitted into an intensive care unit. MATERIALS AND METHODS: Brainstorming was carried out within the service to determine the potential errors most frequent in the process. After this, the FMEA was applied, including its stages, prioritizing risk in accordance with the risk prioritization number (RPN), selecting improvement actions in which they have an RPN of more than 300...
February 2017: Journal of Perianesthesia Nursing: Official Journal of the American Society of PeriAnesthesia Nurses
https://www.readbyqxmd.com/read/28212879/flow-cytometric-based-protocols-for-assessing-anti-mt-2-igg1-reactivity-high-dimensional-data-handling-to-define-predictors-for-clinical-follow-up-of-human-t-cell-leukemia-virus-type-1-infection
#15
Jordana Grazziela Coelho-Dos-Reis, Vanessa Peruhype-Magalhães, Marcelo Antônio Pascoal-Xavier, Matheus de Souza Gomes, Laurence Rodrigues do Amaral, Ludmila Melo Cardoso, Juan Jonathan-Gonçalves, Ágata Lopes Ribeiro, Ana Lúcia Borges Starling, João Gabriel Ribas, Denise Utsch Gonçalves, Anna Bárbara de Freitas Carneiro-Proietti, Andréa Teixeira-Carvalho, Olindo Assis Martins-Filho
The present work provides an innovative methodological approach to assess the anti-HTLV-1 IgG1 reactivity with practical application in clinical laboratory. Serum from non-infected healthy controls (NI) and HTLV-1-infected patients, categorized as asymptomatic (AS), putatively progressing to HTLV-1 associated myelopathy/tropical spastic paraparesis - HAM/TSP (pHAM) or with clinical diagnosis of HAM/TSP (HT) were assayed in two-parallel flow cytometry platforms, referred as: Fix and Fix&Perm protocols. Operating-characteristics analysis indicated that a single pair of attributes ("serum dilution/cut-off") for Fix and Fix&Perm protocols presented excellent performance for the diagnosis of HTLV-1 infection...
February 14, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28212820/in-brief
#16
Patrizio Petrone, Juan A Asensio, Corrado P Marini
No abstract text is available yet for this article.
January 2017: Current Problems in Surgery
https://www.readbyqxmd.com/read/28212818/diaphragmatic-injuries-and-post-traumatic-diaphragmatic-hernias
#17
Patrizio Petrone, Juan A Asensio, Corrado P Marini
No abstract text is available yet for this article.
January 2017: Current Problems in Surgery
https://www.readbyqxmd.com/read/28212618/clinical-features-and-outcome-in-patients-with-osseomuscular-type-of-wilson-s-disease
#18
Hao Yu, Juan-Juan Xie, Yu-Chao Chen, Qin-Yun Dong, Yi Dong, Wang Ni, Zhi-Ying Wu
BACKGROUND: Wilson's disease with osseomuscular type is a rare condition, which often lacks typical hepatic and neurological symptoms and causes misdiagnoses easily. During the past 10 years, eight Chinese patients of osseomuscular type of Wilson's disease were identified in our clinic. METHODS: Clinical information was gathered from medical records and follow-ups. The genetic testing was performed in each patient. Serum ceruloplasmin, Kayser-Fleischer rings, liver function, brain magnetic resonance imaging and abdominal ultrasonography were also evaluated...
February 17, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28212611/impact-of-novel-snps-identified-in-cynara-cardunculus-genes-on-functionality-of-proteins-regulating-phenylpropanoid-pathway-and-their-association-with-biological-activities
#19
Ana Margarida Ferro, Patrícia Ramos, Olinda Guerreiro, Eliana Jerónimo, Inês Pires, Carmen Capel, Juan Capel, Rafael Lozano, Maria F Duarte, M Margarida Oliveira, Sónia Gonçalves
BACKGROUND: Cynara cardunculus L. offers a natural source of phenolic compounds with the predominant molecule being chlorogenic acid. Chlorogenic acid is gaining interest due to its involvement in various biological properties such as, antibacterial, antifungal, antioxidant, hepatoprotective, and anticarcinogenic activities. RESULTS: In this work we screened a Cynara cardunculus collection for new allelic variants in key genes involved in the chlorogenic acid biosynthesis pathway...
February 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28212607/a-case-of-modular-phenotypic-plasticity-in-the-depth-gradient-for-the-gorgonian-coral-antillogorgia-bipinnata-cnidaria-octocorallia
#20
Iván Calixto-Botía, Juan A Sánchez
BACKGROUND: Phenotypic plasticity, as a phenotypic response induced by the environment, has been proposed as a key factor in the evolutionary history of corals. A significant number of octocoral species show high phenotypic variation, exhibiting a strong overlap in intra- and inter-specific morphologic variation. This is the case of the gorgonian octocoral Antillogorgia bipinnata (Verrill 1864), which shows three polyphyletic morphotypes along a bathymetric gradient. This research tested the phenotypic plasticity of modular traits in A...
February 17, 2017: BMC Evolutionary Biology
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