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https://www.readbyqxmd.com/read/28817220/klk14-interactions-with-hai-1-and-hai-2-serine-protease-inhibitors-a-molecular-dynamics-and-relative-free-energy-calculations-study
#1
Christian Solís-Calero, Hernandes F Carvalho
Kallikrein 14 (KLK14) is a serine protease linked to several pathologies including prostate cancer and positively correlates with Gleason score. Though KLK14 functioning in cancer is poorly understood, it has been implicated in HGF/Met signaling, given that KLK14 proteolytically inhibits HGF activator-inhibitor 1 (HAI-1), which strongly inhibits pro-HGF activators, thereby contributing to tumor progression. In this work, KLK14 binding to either hepatocyte growth factor activator inhibitor type-1 (HAI-1) or type-2 (HAI-2) was essayed using homology modeling, molecular dynamic simulations and free-energy calculations through MM/PBSA and MM/GBSA...
August 17, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28809140/planococcus-ruber-sp-nov-isolated-from-a-polluted-farmland-soil-sample
#2
Xu Wang, Zhi Wang, Xueqiu Zhao, Xing Huang, Yu Zhou, Wen-Jun Li
A pale-red-pigmented bacterial strain, designated CW1T, was isolated from a polluted soil sample in China and was characterized by a polyphasic taxonomic approach. Strain CW1T was Gram-stain-positive (or variable), coccoid, motile by a single polar flagellum and non-spore-forming. Growth was observed at 15-37 °C, but not at 10 °C or 40 °C, at pH 5.0-9.0 and with 0-5 % NaCl (w/v). Phylogenetic analysis showed that strain CW1T belongs to the genus Planococcus. The 16S rRNA gene sequence similarities between CW1T and the four most closely related type strains, Planococcus antarcticus DSM 14505T, Planococcus halocryophilus DSM 24743T, Planomicrobium soli XN13T and Planomicrobium okeanokoites NBRC 12536T were 97...
August 15, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28803788/central-nervous-system-development-related-micrornas-levels-increase-in-the-serum-of-gestational-diabetic-women-during-the-first-trimester-of-pregnancy
#3
M Lamadrid-Romero, K H Solís, M S Cruz-Reséndiz, J E Pérez, N F Díaz, H Flores-Herrera, G García-López, O Perichart, E Reyes-Muñoz, F Arenas-Huertero, P Eguía-Aguilar, A Molina-Hernández
MicroRNAs are heterochronic molecules important during brain development, which could be altered by gestational diabetes mellitus (GDM). To explore these molecules in maternal serum, we performed an RT-qPCR analysis. Our results revealed the heterochronic character of some neural development-related microRNA in serum samples of pregnant women. In relation to the first trimester, higher levels of miR-183-5p, -200b-3p, and -125-5p in the second trimester, and higher levels of miR-137 in the third trimester, were found...
August 10, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28803726/golgi-resident-g%C3%AE-o-promotes-protrusive-membrane-dynamics
#4
Gonzalo P Solis, Oleksii Bilousov, Alexey Koval, Anne-Marie Lüchtenborg, Chen Lin, Vladimir L Katanaev
To form protrusions like neurites, cells must coordinate their induction and growth. The first requires cytoskeletal rearrangements at the plasma membrane (PM), the second requires directed material delivery from cell's insides. We find that the Gαo-subunit of heterotrimeric G proteins localizes dually to PM and Golgi across phyla and cell types. The PM pool of Gαo induces, and the Golgi pool feeds, the growing protrusions by stimulated trafficking. Golgi-residing KDELR binds and activates monomeric Gαo, atypically for G protein-coupled receptors that normally act on heterotrimeric G proteins...
August 7, 2017: Cell
https://www.readbyqxmd.com/read/28802390/pediatric-head-and-neck-bone-sarcomas-an-analysis-of-204-cases
#5
Jacob S Brady, Sei Y Chung, Emily Marchiano, Jean Anderson Eloy, Soly Baredes, Richard Chan Woo Park
OBJECTIVES: To analyze the demographics, survival, and treatment efficacy of pediatric sarcomas of the facial skeleton and skull. METHODS: Retrospective study of cases from the US National Cancer Institute's Surveillance, Epidemiology, and End Results database. Pediatric patients between the ages of 0 and 18 diagnosed with a malignant sarcoma of either the mandible or the bones of skull, face, and associated joints from 1973 to 2013 were studied. RESULTS: In total, 204 patients were included in the analysis...
September 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28800094/socioeconomic-inequalities-in-visits-to-the-dentist-to-receive-professionally-applied-topical-fluoride-in-a-developing-country
#6
Miriam Del Socorro Herrera, Carlo Eduardo Medina-Solís, América Patricia Pontigo-Loyola, Rubén de la Rosa-Santillana, Leticia Ávila-Burgos, Rogelio José Scougall-Vilchis, Sonia Márquez-Rodríguez, Mirna Minaya-Sánchez, Alejandro José Casanova-Rosado
OBJECTIVE: To determine the frequency and associated factors of visits to the dentist in the last year by Nicaraguan schoolchildren to receive professionally applied topical fluoride (PATF). MATERIAL AND METHODS: A cross-sectional study was designed in children from public schools in the city of León, Nicaragua, were included. A series of socioeconomic, sociodemographic, and behavioural variables were collected through a questionnaire. The dependent variable was the visit to the dentist to receive professionally applied topical fluoride in the last year, which was dichotomised as (0) Did not receive PATF and (1) Yes received PATF...
August 11, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28789705/impact-of-intrapartum-antimicrobial-prophylaxis-upon-the-intestinal-microbiota-and-the-prevalence-of-antibiotic-resistance-genes-in-vaginally-delivered-full-term-neonates
#7
Alicja Nogacka, Nuria Salazar, Marta Suárez, Christian Milani, Silvia Arboleya, Gonzalo Solís, Nuria Fernández, Lidia Alaez, Ana M Hernández-Barranco, Clara G de Los Reyes-Gavilán, Marco Ventura, Miguel Gueimonde
BACKGROUND: Disturbances in the early establishment of the intestinal microbiota may produce important implications for the infant's health and for the risk of disease later on. Different perinatal conditions may be affecting the development of the gut microbiota. Some of them, such as delivery mode or feeding habits, have been extensively assessed whereas others remain to be studied, being critical to identify their impact on the microbiota and, if any, to minimize it. Antibiotics are among the drugs most frequently used in early life, the use of intrapartum antimicrobial prophylaxis (IAP), present in over 30% of deliveries, being the most frequent source of exposure...
August 8, 2017: Microbiome
https://www.readbyqxmd.com/read/28789670/patient-centered-boundary-mechanisms-to-foster-intercultural-partnerships-in-health-care-a-case-study-in-guatemala
#8
Martin Hitziger, Mónica Berger Gonzalez, Eduardo Gharzouzi, Daniela Ochaíta Santizo, Regina Solis Miranda, Andrea Isabel Aguilar Ferro, Ana Vides-Porras, Michael Heinrich, Peter Edwards, Pius Krütli
BACKGROUND: Up to one half of the population in Africa, Asia and Latin America has little access to high-quality biomedical services and relies on traditional health systems. Medical pluralism is thus in many developing countries the rule rather than the exception, which is why the World Health Organization is calling for intercultural partnerships to improve health care in these regions. They are, however, challenging due to disparate knowledge systems and lack of trust that hamper understanding and collaboration...
August 8, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28782681/a-bayesian-spatial-model-for-neuroimaging-data-based-on-biologically-informed-basis-functions
#9
Ismael Huertas, Marianne Oldehinkel, Erik S B van Oort, David Garcia-Solis, Pablo Mir, Christian F Beckmann, Andre F Marquand
The dominant approach to neuroimaging data analysis employs the voxel as the unit of computation. While convenient, voxels lack biological meaning and their size is arbitrarily determined by the resolution of the image. Here, we propose a multivariate spatial model in which neuroimaging data is characterized as a linearly weighted combination of multiscale basis functions which map onto underlying brain nuclei or networks or nuclei. In this model, the elementary building blocks are derived to reflect the functional anatomy of the brain during the resting state...
August 4, 2017: NeuroImage
https://www.readbyqxmd.com/read/28771993/a-pegylated-fibrin-hydrogel-based-antimicrobial-wound-dressing-controls-infection-without-impeding-wound-healing
#10
Joel Gil, Shanmugasundaram Natesan, Jie Li, Jose Valdes, Andrew Harding, Michael Solis, Stephen C Davis, Robert J Christy
Combat injuries are associated with a high incidence of infection, and there is a continuing need for improved approaches to control infection and promote wound healing. Due to the possible local and systemic adverse effects of standard 1% cream formulation (Silvadene), we had previously developed a polyethylene glycol (PEGylated) fibrin hydrogel (FPEG)-based wound dressing for the controlled delivery of silver sulfadiazine (SSD) entrapped in chitosan microspheres (CSM). In this study, we have evaluated the antimicrobial and wound healing efficacy of SSD-CSM-FPEG using a full-thickness porcine wound infected with Pseudomonas aeruginosa...
August 2, 2017: International Wound Journal
https://www.readbyqxmd.com/read/28771740/the-need-for-a-dedicated-head-and-neck-cancer-database-in-the-united-states
#11
EDITORIAL
Suat Kılıç, Sarah S Kılıç, Omar Mahmoud, Soly Baredes, Jean Anderson Eloy
No abstract text is available yet for this article.
August 3, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28771131/comparative-proteomic-profiles-reveal-characteristic-mycobacterium-tuberculosis-proteins-induced-by-cholesterol-during-dormancy-conditions
#12
Lazaro Garcia-Morales, Lizbel Leon-Solis, Irma E Monroy-Muñoz, Moises Talavera-Paulin, Jeanet Serafin-López, Iris Estrada-Garcia, Sandra Rivera-Gutierrez, Jorge F Cerna-Cortes, Addy C Helguera-Repetto, Jorge A Gonzalez-Y-Merchand
Cholesterol has been reported to play an important role during Mycobacterium tuberculosis infection and during its dormant state inside the host. We present the determination of proteomic profiles of M. tuberculosis H37Rv in the presence of cholesterol as the sole carbon source under exponential growth and in two in vitro dormancy phases (NRP1 and NRP2). Using 2D-PAGE, we detected that M. tuberculosis expressed a high diversity of proteins in both exponential and non-replicative phases. We also found that cholesterol was involved in the overexpression of some proteins related to sulfur metabolism (CysA2), electron transport (FixB), cell wall synthesis (Ald), iron storage (BfrB), protein synthesis (Tig and EF-Tu) and dormancy maintenance (HspX and TB 31...
August 4, 2017: Microbiology
https://www.readbyqxmd.com/read/28764932/adeno-associated-viral-serotypes-differentially-transduce-inhibitory-neurons-within-the-rat-amygdala
#13
C A de Solis, M P Hosek, R Holehonnur, A Ho, A Banerjee, J A Luong, L E Jones, D Chaturvedi, J E Ploski
Recombinant adeno-associated viruses (AAV) are frequently used to make localized genetic manipulations within the rodent brain. It is accepted that the different viral serotypes possess differing affinities for particular cell types, but it is not clear how these properties affect their ability to transduce specific neuronal cell sub-types. Here, we examined ten AAV serotypes for their ability to transduce neurons within the rat basal and lateral nuclei of the amygdala (BLA) and the central nucleus of the amygdala (CeA)...
July 29, 2017: Brain Research
https://www.readbyqxmd.com/read/28760596/serum-resistin-levels-inversely-associated-with-cardiovascular-risk-indices-in-type-2-diabetics-from-central-mexico
#14
Dania G Solis-Cano, Leonardo M Porchia, M Elba Gonzalez-Mejia, Ricardo Pérez-Fuentes, Guadalupe Ruiz-Vivanco, Adriana Nieva-Vazquez, Enrique Torres-Rasgado
AIMS: Since, resistin has been associated with coronary heart disease and with the progression of Type 2 Diabetes (T2D), our objective was to determine the correlation between resistin and cardiovascular risk (CVR) in subjects with increasing degrees of hyperglycemia. METHODS: Using a cross-sectional study design, the anthropometric and biochemical profiles were collected from 180 subjects from Puebla, Mexico. Subjects were separated into Normoglycemic (NGT), pre-diabetic (PT2D), or T2D...
July 25, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28760435/nutrigenomics-of-%C3%AF-3-fatty-acids-regulators-of-the-master-transcription-factors
#15
REVIEW
Maricela Rodríguez-Cruz, Donovan Solís Serna
It is well known that ω-3 long-chain polyunsaturated fatty acids (LC-PUFAs) control some key molecular cell mechanisms, resulting in a beneficial role in inflammatory diseases. Such mechanisms are complex and reflect the diversity of their functions, mainly as modulators of the dynamic properties of membranes, regulators of gene expression, and precursors of active mediators. The aim of this review is to summarize the state of the art of the effects and mechanisms by which ω-3 LC-PUFAs such as eicosapentaenoic acid (EPA, C22:5 ω-3) and docosahexaenoic acid (DHA, C22:6 ω-3) regulate different metabolic processes to maintain homeostasis...
September 2017: Nutrition
https://www.readbyqxmd.com/read/28758935/a-solar-position-sensor-based-on-image-vision
#16
Adolfo Ruelas, Nicolás Velázquez, Carlos Villa-Angulo, Alexis Acuña, Pedro Rosales, José Suastegui
Solar collector technologies operate with better performance when the Sun beam direction is normal to the capturing surface, and for that to happen despite the relative movement of the Sun, solar tracking systems are used, therefore, there are rules and standards that need minimum accuracy for these tracking systems to be used in solar collectors' evaluation. Obtaining accuracy is not an easy job, hence in this document the design, construction and characterization of a sensor based on a visual system that finds the relative azimuth error and height of the solar surface of interest, is presented...
July 29, 2017: Sensors
https://www.readbyqxmd.com/read/28758143/mentoring-for-success-in-tobacco-regulatory-science-a-qualitative-study
#17
Abigail R Russo, Amy C Solis, Andrea C Villanti, Heather L Wipfli, Teresa T Kern, Rachel K Lawley, Lauren K Collins, Haneen S Abudayyeh, Melanie C Chansky, Stanton A Glantz, Jonathan M Samet, Emelia J Benjamin
OBJECTIVES: Our study explores the experiences of early career and senior scientists regarding mentorship and career trajectories in tobacco regulatory science (TRS). METHODS: We conducted 22 phone interviews with early career and senior tobacco regulatory scientists from July 2015 to January 2016. All interviews were conducted using a structured interview guide and analyzed using a thematic approach by 2 independent coders. RESULTS: TRS presents specific opportunities and challenges to scientists due to its focused goal of informing tobacco regulation...
July 2017: Tobacco Regulatory Science
https://www.readbyqxmd.com/read/28755836/influenza-seasonality-goes-south-in-the-yucatan-peninsula-the-case-for-a-different-influenza-vaccine-calendar-in-this-mexican-region
#18
Guadalupe Ayora-Talavera, Gerardo Montalvo-Zurbia Flores, Jesus Gómez-Carballo, Refugio González-Losa, Laura Conde-Ferraez, Marylin Puerto-Solís, Irma López-Martínez, Alberto Díaz-Quiñonez, Gisela Barrera-Badillo, Rodolfo Acuna-Soto, Alicia A Livinski, Wladimir J Alonso
INTRODUCTION: While vaccination may be relatively straightforward for regions with a well-defined winter season, the situation is quite different for tropical regions. Influenza activity in tropical regions might be out of phase with the dynamics predicted for their hemispheric group thereby impacting the effectiveness of the immunization campaign. OBJECTIVE: To investigate how the climatic diversity of Mexico hinders its existing influenza immunization strategy and to suggest that the hemispheric vaccine recommendations be tailored to the regional level in order to optimize vaccine effectiveness...
July 26, 2017: Vaccine
https://www.readbyqxmd.com/read/28749283/seroprevalence-and-molecular-characterization-of-ferlavirus-in-captive-vipers-of-costa-rica
#19
Cristina Solis, Randall Arguedas, Mario Baldi, Martha Piche, Carlos Jimenez
Ferlaviruses (FV, previously referred to as ophidian paramyxoviruses, OPMV), are enveloped viruses with a negative-strand RNA genome, affecting snakes in captivity worldwide. Infection is characterized by respiratory and nervous clinical signs and carries high mortality rates, but no specific treatment or vaccine is currently available. Costa Rica has 16 species of vipers, found in captivity in collections essential for antivenom production, reintroduction, and public education. FV circulation in these populations was previously unknown, and the risk of introducing the viruses into naïve collections or free-ranging populations exists if the virus's presence is confirmed...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28749238/aesthetic-and-functional-outcomes-using-a-multiloop-edgewise-archwire-for-camouflage-orthodontic-treatment-of-a-severe-class-iii-open-bite-malocclusion
#20
Guido Artemio Marañón-Vásquez, Luciano Carlos Soldevilla Galarza, Freddy Antonio Tolentino Solis, Cliff Wilson, Fábio Lourenço Romano
Occasionally, orthodontists will be challenged to treat malocclusions and skeletal disharmonies, which by their complexity one might think that the only treatment alternative is the surgical-orthodontic approach. A male patient, aged 17 years old, was diagnosed with a skeletal Class III malocclusion, anterior open bite and negative overjet. An unpleasant profile was the patient's 'chief complaint' showing interest in facial aesthetics improvement. Nevertheless, the patient and his parents strongly preferred a non-surgical treatment approach...
July 27, 2017: Journal of Orthodontics
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