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https://www.readbyqxmd.com/read/28938125/selective-immuno-modulatory-effect-of-prolactin-upon-pro-inflammatory-response-in-human-fetal-membranes
#1
Pilar Flores-Espinosa, Eduardo Preciado-Martínez, Araceli Mejía-Salvador, Gabriela Sedano-González, Luisa Bermejo-Martínez, Adalberto Parra-Covarruvias, Guadalupe Estrada-Gutiérrez, Rodrigo Vega-Sánchez, Isabel Méndez, Braulio Quesada-Reyna, Andrea Olmos-Ortiz, Veronica Zaga-Clavellina
During pregnancy, prolactin (PRL) is a neuro-immuno-cytokine that contributes actively to the crosstalk between the immune and endocrine systems and, thus, to the creation of an immune-privileged milieu. This work aims to analyze the capacity of PRL to modulate the synthesis and secretion of pro-inflammatory markers associated with labor. Studies were conducted using human fetal membranes at term mounted in a model of two independent chambers. The choriodecidual region was stimulated with 500-ng/mL lipopolysaccharide (LPS), and the amnion and choriodecidual region were co-simulated with different concentrations of PRL that can arise during pregnancy: 250, 500, 1000, and 4000ng/mL...
September 14, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/28936798/conditioned-medium-of-human-adipose-mesenchymal-stem-cells-increases-wound-closure-and-protects-human-astrocytes-following-scratch-assay-in-vitro
#2
Eliana Baez-Jurado, Oscar Hidalgo-Lanussa, Gina Guio-Vega, Ghulam Md Ashraf, Valentina Echeverria, Gjumrakch Aliev, George E Barreto
Astrocytes perform essential functions in the preservation of neural tissue. For this reason, these cells can respond with changes in gene expression, hypertrophy, and proliferation upon a traumatic brain injury event (TBI). Different therapeutic strategies may be focused on preserving astrocyte functions and favor a non-generalized and non-sustained protective response over time post-injury. A recent strategy has been the use of the conditioned medium of human adipose mesenchymal stem cells (CM-hMSCA) as a therapeutic strategy for the treatment of various neuropathologies...
September 21, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28935551/anti-trypanosoma-anti-leishmania-and-cytotoxic-activities-of-natural-products-from-psidium-brownianum-mart-ex-dc-and-psidium-guajava-var-pomifera-analysed-by-lc-ms
#3
Celestina Elba Sobral de Souza, Ana Raquel Pereira da Silva, Maria Celeste Vega Gomez, Míriam Rolóm, Cathia Coronel, José Galberto Martins da Costa, Amanda K Sousa, Larissa A Rolim, Francisco Hugo Sobral de Souza, Henrique Douglas Melo Coutinho
Neglected diseases are those that are prevalent in developing countries, even with a rich biodiversity. These diseases still persist because of the lack of scientific studies, government negligence or failures of the public health system. This study aims to identify the composition of extracts and fractions from Psidium brownianum and Psidium guajava through LC-MS, to evaluate its in vitro anti-parasitic and cytotoxic activity against Trypanosoma cruzi, Leishmania brasiliensis and L. infantum epismastigote and promastigote forms, as well as mammalian cells...
September 18, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28935144/effects-of-dietary-biotin-supplementation-on-glucagon-production-secretion-and-action
#4
Maria-Luisa Lazo-de-la-Vega-Monroy, Elena Larrieta, Wilma Tixi-Verdugo, Rafael Ramírez-Mondragón, Ileana Hernández-Araiza, Michael S German, Cristina Fernandez-Mejia
OBJECTIVE: Despite increasing evidence that pharmacologic concentrations of biotin modify glucose metabolism, to our knowledge there have not been any studies addressing the effects of biotin supplementation on glucagon production and secretion, considering glucagon is one of the major hormones in maintaining glucose homeostasis. The aim of this study was to investigate the effects of dietary biotin supplementation on glucagon expression, secretion, and action. METHODS: Male BALB/cAnN Hsd mice were fed a control or a biotin-supplemented diet (1...
November 2017: Nutrition
https://www.readbyqxmd.com/read/28933705/durability-of-antiretroviral-therapy-regimens-and-determinants-for-change-in-hiv-1-infected-patients-in-the-treat-asia-hiv-observational-database-tahod-lite
#5
Rosario Martinez-Vega, Nicole L De La Mata, Nagalingeswaran Kumarasamy, Penh Sun Ly, Kinh Van Nguyen, Tuti P Merati, Thi Thanh Pham, Man Po Lee, Jun Yong Choi, Jeremy L Ross, Oon Tek Ng
BACKGROUND: The durability of first line regimen is important to achieve long term treatment success for the management of HIV infection. Our analysis describes the duration of sequential ART regimens and identifies the determinants leading to treatment change in HIV-positive patients initiating in Asia. METHODS: All HIV-positive adult patients initiating first-line ART in 2003-2013, from eight clinical sites among seven countries in Asia. Patient follow-up was to May 2014...
September 21, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28931153/the-coffee-berry-borer-coleoptera-curculionidae-in-puerto-rico-distribution-infestation-and-population-per-fruit
#6
Yobana A Mariño, Victor J Vega, José M García, José C Verle Rodrigues, Noelia M García, Paul Bayman
The coffee berry borer (CBB) (Hypothenemus hampei: Ferrar) was first detected in Puerto Rico in 2007. Its distribution since then has been extensive, but not extensively documented. An island-wide survey was carried out from August to November 2014 (the coffee production season) to assess CBB distribution, infestation, and population per fruit. The CBB was well-established throughout the coffee-growing area of Puerto Rico, but was not evenly distributed. Infestation (or percentages of fruits perforated) in sites sampled ranged from 0 to 95%, and CBB number per infested fruit varied from 1 to 34 individuals...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28929474/-new-thalamic-potential-associated-with-somatosensory-evoked-potentials
#7
L Vega-Zelaya, C V Torres, M Navas-Garcia, R G Sola, J Pastor
INTRODUCTION: The response of the thalamus during the study with somatosensory evoked potentials (SSEP) is not sufficiently understood. CASE REPORT: A 17-year-old man undergoing surgery for deep brain stimulation in the centromedian nucleus for drug-resistant epilepsy under complete sedation. During the intervention, the responses to SSEPs of the thalamic nuclei were recorded by means of four microelectrodes. These responses can be decomposed into three types: local field potentials (LFP), low amplitude fast oscillations (LFO), and high amplitude slow oscillations (HSO)...
October 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28928239/the-rna-editing-enzyme-adar-promotes-lung-adenocarcinoma-migration-and-invasion-by-stabilizing-fak
#8
Elianna M Amin, Yuan Liu, Su Deng, Kay See Tan, Neel Chudgar, Marty W Mayo, Francisco Sanchez-Vega, Prasad S Adusumilli, Nikolaus Schultz, David R Jones
Large-scale, genome-wide studies report that RNA binding proteins are altered in cancers, but it is unclear how these proteins control tumor progression. We found that the RNA-editing protein ADAR (adenosine deaminase acting on double-stranded RNA) acted as a facilitator of lung adenocarcinoma (LUAD) progression through its ability to stabilize transcripts encoding focal adhesion kinase (FAK). In samples from 802 stage I LUAD patients, increased abundance of ADAR at both the mRNA and protein level correlated with tumor recurrence...
September 19, 2017: Science Signaling
https://www.readbyqxmd.com/read/28927816/similar-to-adiponectin-serum-levels-of-osteocalcin-are-associated-with-mammographic-breast-density-in-postmenopausal-women
#9
Sara Vega, Lourdes Basurto, Renata Saucedo, Susana Barrera, Elba Reyes-Maldonado, Ethel A Garcia-Latorre, Arturo Zarate
OBJECTIVE: Breast cancer is the most common type of cancer in Canadian women and worldwide. Mammographic density is a well-established breast cancer risk. Recent evidence suggested inverse correlations among adiponectin, osteocalcin, and the risk developing breast cancer. The objective of the study was to evaluate the relationship between breast density and adiponectin and osteocalcin concentrations. METHODS: A cross-sectional study was performed in 239 women, age range 40 to 60...
September 15, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28923556/de-novo-assembly-and-transcriptome-characterization-of-the-freshwater-prawn-palaemonetes-argentinus-implications-for-a-detoxification-response
#10
C Fernando García, Nicolas Pedrini, Arturo Sánchez-Paz, Carlos S Reyna-Blanco, Sabrina Lavarias, Adriana Muhlia-Almazán, Analía Fernández-Giménez, Aldana Laino, Enrique de-la-Re-Vega, German Lukaszewicz, Alonso A López-Zavala, Luis G Brieba, Michael F Criscitello, Jesús S Carrasco-Miranda, Karina D García-Orozco, Adrian Ochoa-Leyva, Enrique Rudiño-Piñera, Alejandro Sanchez-Flores, Rogerio R Sotelo-Mundo
Palaemonetes argentinus, an abundant freshwater prawn species in the northern and central region of Argentina, has been used as a bioindicator of environmental pollutants as it displays a very high sensitivity to pollutants exposure. Despite their extraordinary ecological relevance, a lack of genomic information has hindered a more thorough understanding of the molecular mechanisms potentially involved in detoxification processes of this species. Thus, transcriptomic profiling studies represent a promising approach to overcome the limitations imposed by the lack of extensive genomic resources for P...
September 8, 2017: Marine Genomics
https://www.readbyqxmd.com/read/28923171/potential-early-biomarkers-of-sarcopenia-among-independent-older-adults
#11
Ana Coto Montes, José Antonio Boga, Carlos Bermejo Millo, Adrián Rubio González, Yaiza Potes Ochoa, Ignacio Vega Naredo, Marta Martínez Reig, Luis Romero Rizos, Pedro Manuel Sánchez Jurado, Juan Jose Solano, Pedro Abizanda, Beatriz Caballero
OBJECTIVES: There are no tools or biomarkers for a quantitative analysis of sarcopenia. STUDY DESIGN: Cross-sectional study of the diagnosis of sarcopenia in 200 independent adults aged 70 years or over. MAIN OUTCOME MEASURES: Sarcopenia was defined as loss of muscle mass together with low strength and/or loss of physical performance. We considered different clinical parameters and assayed potential blood biomarkers (cell energetic metabolism, muscle performance, inflammation, infection and oxidative stress)...
October 2017: Maturitas
https://www.readbyqxmd.com/read/28920989/half-sandwich-ru-ii-acylthiourea-complexes-dna-hsa-binding-anti-migration-and-cell-death-in-a-human-breast-tumor-cell-line
#12
Legna Colina-Vegas, Liany Luna-Dulcey, Ana M Plutín, Eduardo E Castellano, Marcia R Cominetti, Alzir A Batista
Organometallic ruthenium complexes as potential anticancer agents have been explored due to their suitable properties, such as stability in the solid state and in solution, water solubility and low toxicity. In this study, eight metal complexes of this class were synthesized, characterized and their important biological activities against a human breast tumor cell line (MDA-MB-231) were studied. Complexes 1-8 were obtained in good yields and have been characterized by satisfactory elemental analyses, IR, 1D and 2D (1)H and (13)C{(1)H} NMR, UV-Vis spectroscopy, cyclic voltammetry, ESI-MS and X-ray diffractometry (1, 2, 3 and 6)...
September 18, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28919318/corrigendum-to-assessment-of-a-multi-modal-intervention-for-the-prevention-of-catheter-associated-urinary-tract-infections-j-hosp-infect-2016-oct-94-2-175-81
#13
H G Ternavasio-de la Vega, A Barbosa Ventura, F Castaño-Romero, F D Sauchelli, A Prolo Acosta, F J Rodríguez Alcázar, A Vicente Sánchez, E Ruiz Antúnez, M Marcos, J Laso
No abstract text is available yet for this article.
September 14, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28918963/laparoscopic-subtotal-cholecystectomy-a-surgical-alternative-to-reduce-complications-in-complex-cases
#14
Génesis Jara, José Rosciano, Wuendys Barrios, Liumariel Vegas, Omaira Rodríguez, Renata Sánchez, Alexis Sánchez
INTRODUCTION: Laparoscopic cholecystectomy is a common procedure in general surgery, and in complex cases it is important for the surgeon to know all the alternatives with low associated morbidity. Laparoscopic subtotal cholecystectomy should be considered as an option when a critical view of safety cannot be obtained, because it has a low complication rate and gives the advantages of minimally invasive surgery. METHODS: Retrospective study of laparoscopic subtotal cholecystectomies in an eight years period...
September 14, 2017: Cirugía Española
https://www.readbyqxmd.com/read/28916782/predicting-clinical-outcomes-from-large-scale-cancer-genomic-profiles-with-deep-survival-models
#15
Safoora Yousefi, Fatemeh Amrollahi, Mohamed Amgad, Chengliang Dong, Joshua E Lewis, Congzheng Song, David A Gutman, Sameer H Halani, Jose Enrique Velazquez Vega, Daniel J Brat, Lee A D Cooper
Translating the vast data generated by genomic platforms into accurate predictions of clinical outcomes is a fundamental challenge in genomic medicine. Many prediction methods face limitations in learning from the high-dimensional profiles generated by these platforms, and rely on experts to hand-select a small number of features for training prediction models. In this paper, we demonstrate how deep learning and Bayesian optimization methods that have been remarkably successful in general high-dimensional prediction tasks can be adapted to the problem of predicting cancer outcomes...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28916338/structure-activity-relationship-study-of-small-molecule-inhibitors-of-the-deptor-mtor-interaction
#16
Jihye Lee, Yijiang Shi, Mario Vega, Yonghui Yang, Joseph Gera, Michael E Jung, Alan Lichtenstein
DEPTOR is a 48kDa protein that binds to mTOR and inhibits this kinase within mTORC1 and mTORC2 complexes. Over-expression of DEPTOR specifically occurs in the multiple myeloma (MM) tumor model and DEPTOR knockdown is cytotoxic to MM cells, suggesting it is a potential therapeutic target. Since mTORC1 paralysis protects MM cells against DEPTOR knockdown, it indicates that the protein-protein interaction between DEPTOR and mTOR is key to MM viability vs death. In a previous study, we used a yeast two-hybrid screen of a small inhibitor library to identify a compound that inhibited DEPTOR/mTOR binding in yeast...
September 6, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28915869/frequency-and-genotypes-of-chlamydia-trachomatis-in-patients-attending-the-obstetrics-and-gynecology-clinics-in-jalisco-mexico-and-correlation-with-sociodemographic-behavioral-and-biological-factors
#17
Néstor Casillas-Vega, Rayo Morfín-Otero, Santos García, Jorge Llaca-Díaz, Eduardo Rodríguez-Noriega, Adrián Camacho-Ortiz, Ma de la Merced Ayala-Castellanos, Héctor J Maldonado-Garza, Jesús Ancer-Rodríguez, Guadalupe Gallegos-Ávila, Alberto Niderhauser-García, Elvira Garza-González
BACKGROUND: Chlamydia trachomatis is the causative agent of the most common bacterial sexually transmitted infection worldwide. The aim of this study was to investigate the frequency and genotypes of C. trachomatis in patients attending an obstetrics and gynecology clinic in Jalisco, Mexico and correlates them with sociodemographic, behavioral, and biological factors. METHODS: C. trachomatis detection was performed in endocervical samples from 662 patients by direct fluorescence assay (DFA) and two PCR assays that amplified the phospholipase D endonuclease superfamily protein (PLDESP) and OmpA genes...
September 15, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/28915761/a-potential-model-for-sodium-chloride-solutions-based-on-the-tip4p-2005-water-model
#18
A L Benavides, M A Portillo, V C Chamorro, J R Espinosa, J L F Abascal, C Vega
Despite considerable efforts over more than two decades, our knowledge of the interactions in electrolyte solutions is not yet satisfactory. Not even one of the most simple and important aqueous solutions, NaCl(aq), escapes this assertion. A requisite for the development of a force field for any water solution is the availability of a good model for water. Despite the fact that TIP4P/2005 seems to fulfill the requirement, little work has been devoted to build a force field based on TIP4P/2005. In this work, we try to fill this gap for NaCl(aq)...
September 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28906527/mango-bagasse-functional-confectionery-vehicle-for-enhancing-bioaccessibility-and-permeability-of-phenolic-compounds
#19
Luz Abril Herrera-Cazares, Fátima Hernández-Navarro, Aurea K Ramírez-Jiménez, Rocío Campos-Vega, María de la Luz Reyes-Vega, Guadalupe Loarca-Piña, Eduardo Morales-Sánchez, Abraham Wall-Medrano, Marcela Gaytán-Martínez
Functional confectionery can be exploited as a vehicle for the protection of phenolic compounds (PCs) and for enhancing absorption during the gastrointestinal (GI) process. In this study, a confection containing 20% of mango bagasse (MB), gelatin and pectin was formulated. The PC profile, antioxidant capacity, in vitro bioaccessibility and apparent permeability (Papp) during mouth-stomach-intestine digestion (15, 30, 60, 120 min) and in vitro colonic fermentation (6, 12, 24 h) were evaluated for MB and the mango bagasse confection (MBC)...
September 14, 2017: Food & Function
https://www.readbyqxmd.com/read/28905996/merkel-cells-and-meissner-s-corpuscles-in-human-digital-skin-display-piezo2-immunoreactivity
#20
Y García-Mesa, J García-Piqueras, B García, J Feito, R Cabo, J Cobo, J A Vega, O García-Suárez
The transformation of mechanical energy into electrical signals is the first step in mechanotransduction in the peripheral sensory nervous system and relies on the presence of mechanically gated ion channels within specialized sensory organs called mechanoreceptors. Piezo2 is a vertebrate stretch-gated ion channel necessary for mechanosensitive channels in mammalian cells. Functionally, it is related to light touch, which has been detected in murine cutaneous Merkel cell-neurite complexes, Meissner-like corpuscles and lanceolate nerve endings...
September 14, 2017: Journal of Anatomy
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