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https://www.readbyqxmd.com/read/28645659/synthesis-in-vitro-and-in-vivo-giardicidal-activity-of-nitrothiazole-nsaid-chimeras-displaying-broad-antiprotozoal-spectrum
#1
Blanca Colín-Lozano, Ismael León-Rivera, Manuel Jesús Chan-Bacab, Benjamín Otto Ortega-Morales, Rosa Moo-Puc, Vanessa López-Guerrero, Emanuel Hernández-Núñez, Raúl Argüello-Garcia, Thomas Scior, Elizabeth Barbosa-Cabrera, Gabriel Navarrete-Vázquez
We designed and synthesized five new 5-nitrothiazole-NSAID chimeras as analogues of nitazoxanide, using a DCC-activated amidation. Compounds 1-5 were tested in vitro against a panel of five protozoa: 2 amitochondriates (Giardia intestinalis, Trichomonas vaginalis) and 3 kinetoplastids (Leishmania mexicana, Leishmania amazonensis and Trypanosoma cruzi). All chimeras showed broad spectrum and potent antiprotozoal activities, with IC50 values ranging from the low micromolar to nanomolar order. Compounds 1-5 were even more active than metronidazole and nitazoxanide, two marketed first-line drugs against giardiasis...
May 24, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28644246/effects-of-exercise-on-the-immune-function-of-pediatric-patients-with-solid-tumors-insights-from-the-papec-randomized-trial
#2
Carmen Fiuza-Luces, Julio R Padilla, Jaime Valentín, Elena Santana-Sosa, Alejandro Santos-Lozano, Fabián Sanchis-Gomar, Helios Pareja-Galeano, Javier S Morales, Steven J Fleck, Margarita Pérez, Alvaro Lassaletta, Luisa Soares-Miranda, Antonio Pérez-Martínez, Alejandro Lucia
The purpose of this study was to assess the effects of an in-hospital exercise intervention during neoadjuvant chemotherapy on the inflammatory profile and immune cell subpopulation in 20 children with solid tumors (control [n = 11] and exercise group [n = 9]). Although no significant interaction (group × time) effect was found with an analysis of variance test, we found a trend toward an interaction effect for natural killer cells expressing the immunoglobulin-like receptor KIR2DS4, with their numbers remaining stable in the exercise group but increasing in controls...
June 21, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28643389/combined-molecular-modelling-and-3d-qsar-study-for-understanding-the-inhibition-of-nqo1-by-heterocyclic-quinone-derivatives
#3
Claudia Lopez-Lira, Jans H Alzate-Morales, Margot Paulino, Jaime Mella-Raipán, Cristian O Salas, Ricardo A Tapia, Jorge Soto-Delgado
A combination of three-dimensional quantitative structure-activity relationship (3D-QSAR), and molecular modelling methods were used to understand the potent inhibitory NAD(P)H:quinone oxidoreductase 1 (NQO1) activity of a set of 52 heterocyclic quinones. Molecular docking results indicated that some favourable interactions of key amino acid residues at the binding site of NQO1 with these quinones, would be responsible for an improvement of the NQO1 activity of these compounds. The main interactions involved are hydrogen bond of the amino group of residue Tyr128, π-stacking interactions with Phe106 and Phe178, and electrostatic interactions with flavin adenine dinucleotide (FADH) cofactor...
June 23, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28639316/synergism-between-naproxen-and-rutin-in-a-mouse-model-of-visceral-pain
#4
Angel Josabad Alonso-Castro, Joceline Estefanía Rangel-Velázquez, Mario A Isiordia-Espinoza, Luis Enrique Villanueva-Solís, Othoniel H Aragon-Martinez, Juan Ramón Zapata-Morales
Preclinical Research The aim of the present study was to evaluate the antinociceptive interaction between naproxen and the glycoside flavonoid, rutin in the acetic acid-induced writhing test in mice. Naproxen (5, 20, 50, and 100 mg/kg p.o.) or rutin (10, 25, 50, and 100mg/kg p.o.) were administered 60 min before the intraperitoneal administration with acetic acid. The dose-response curve of each individual compound and the experimental effective dose 50 (ED50 ) value were obtained to determinate different proportions of the combinations between the two compounds (naproxen-rutin 1:1, 3:1, and 3:1) in the writhing test...
June 22, 2017: Drug Development Research
https://www.readbyqxmd.com/read/28639097/effect-of-an-internet-based-telehealth-system-on-functional-capacity-and-cognition-in-breast-cancer-survivors-a-secondary-analysis-of-a-randomized-controlled-trial
#5
Noelia Galiano-Castillo, Manuel Arroyo-Morales, Mario Lozano-Lozano, Carolina Fernández-Lao, Lydia Martín-Martín, Rosario Del-Moral-Ávila, Irene Cantarero-Villanueva
PURPOSE: This trial determines the effect of an Internet-based tailored exercise program compared to usual care control for improving functional capacity and cognition among breast cancer survivors. METHODS: A two-arm, assessor-blinded, parallel, randomized controlled efficacy trial was conducted. Participants were recruited from the Oncology and Breast unit at the Virgen de las Nieves Hospital (Granada, Spain) between March 2012 to November 2013 and randomized to either the experimental group (an 8-week Internet-based tailored exercise program) or control group (usual care)...
June 22, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28637246/effect-of-psilocybin-on-empathy-and-moral-decision-making
#6
Thomas Pokorny, Katrin H Preller, Michael Kometer, Isabel Dziobek, Franz X Vollenweider
Background: Impaired empathic abilities lead to severe negative social consequences and influence the development and treatment of several psychiatric disorders. Furthermore, empathy has been shown to play a crucial role in moral and prosocial behaviour. Although the serotonin (5-HT) system has been implicated in modulating empathy and moral behaviour, the relative contribution of the various 5-HT receptor subtypes is still unknown. Methods: We investigated the acute effect of psilocybin (0...
June 16, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28629817/the-antinociceptive-effects-of-a-standardized-ethanol-extract-of-the-bidens-odorata-cav-asteraceae-leaves-are-mediated-by-atp-sensitive-k-channels
#7
Juan Ramón Zapata-Morales, Angel Josabad Alonso-Castro, Fabiola Domínguez, Candy Carranza-Álvarez, Mario Isiordia-Espinoza, Alejandro Hernández-Morales, Cesar Solorio-Alvarado
ETHNOPHARMACOLOGICAL RELEVANCE: Bidens odorata Cav (Asteraceae)is used for the empirical treatment of inflammation and pain. AIM OF THE STUDY: This work evaluatedthein vitro and in vivo toxicity, antioxidant activity, as well as the anti-inflammatory and antinociceptive effects of an ethanol extract from Bidens odorata leaves (BOE). MATERIALS AND METHODS: The in vitro toxicity of BOE (10-1000µg/ml) was evaluated with the comet assay in PBMC...
June 16, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28629085/design-of-a-hybrid-biomaterial-for-tissue-engineering-biopolymer-scaffold-integrated-with-an-autologous-hydrogel-carrying-mesenchymal-stem-cells
#8
Caroline R Weinstein-Oppenheimer, Donald I Brown, Rodrigo Coloma, Patricio Morales, Mauricio Reyna-Jeldes, María J Díaz, Elizabeth Sánchez, Cristian A Acevedo
Biologically active biomaterials as biopolymers and hydrogels have been used in medical applications providing favorable results in tissue engineering. In this research, a wound dressing device was designed by integration of an autologous clot hydrogel carrying mesenchymal stem-cells onto a biopolymeric scaffold. This hybrid biomaterial was tested in-vitro and in-vivo, and used in a human clinical case. The biopolymeric scaffold was made with gelatin, chitosan and hyaluronic acid, using a freeze-drying method...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28622810/exploratory-examination-of-the-utility-of-demoralization-as-a-diagnostic-specifier-for-adjustment-disorder-and-major-depression
#9
D W Kissane, I Bobevski, P Gaitanis, J Brooker, N Michael, C Lethborg, G Richardson, P Webster, C Hempton
OBJECTIVE: Demoralization, a state of lowered morale and poor coping, has a prevalence of 13-18% among patients with advanced cancer. We surveyed clinicians' perspectives of the utility of "with demoralization" as a diagnostic specifier for adjustment and depressive disorders. METHOD: Using comparative clinical vignettes in a field survey, clinicians from a range of disciplines were asked their perception of the utility of diagnosis and treatment options. Response frequencies were compared using Cochran's Q and McNemar's tests, with sensitivity and specificity rated against expert rankings of diagnosis...
May 2017: General Hospital Psychiatry
https://www.readbyqxmd.com/read/28617836/molecular-diversity-and-frequency-of-the-diarrheagenic-enteric-protozoan-giardia-duodenalis-and-cryptosporidium-spp-in-a-hospital-setting-in-northern-spain
#10
José Manuel Azcona-Gutiérrez, Aida de Lucio, Marta Hernández-de-Mingo, Concepción García-García, Luis Miguel Soria-Blanco, Lucía Morales, María Aguilera, Isabel Fuentes, David Carmena
BACKGROUND: Human giardiosis and cryptosporidiosis are caused by the enteric protozoan parasites Giardia duodenalis and Cryptosporidium spp. Both pathogens are major contributors to the global burden of diarrhoeal disease, affecting primarily children and immunodebilitated individuals in resource-poor settings. Giardiosis and cryptosporidiosis also represent an important, often underestimate, public health threat in developed countries. In Spain only limited information is currently available on the epidemiology of these infections...
2017: PloS One
https://www.readbyqxmd.com/read/28616661/clinical-relevance-of-p-glycoprotein-activity-on-peripheral-blood-mononuclear-cells-and-polymorphonuclear-neutrophils-to-methotrexate-in-systemic-lupus-erythematosus-patients
#11
Mario García-Carrasco, Claudia Mendoza-Pinto, Salvador Macías-Díaz, Ivet Etchegaray-Morales, Socorro Méndez-Martínez, Pamela Soto-Santillán, Beatriz Pérez-Romano, Erick A Jiménez-Herrera, Omar Guzmán-Ruiz, Alejandro Ruiz-Argüelles
To elucidate the relationship between P-glycoprotein activity on peripheral blood leukocytes of systemic lupus erythematosus (SLE) patients with lupus arthritis and the clinical response to methotrexate. An observational study was made in patients with SLE according to ACR criteria 1997 who had arthralgia and arthritis and received methotrexate for ≥3 months. Methotrexate responders and non-responders were compared according to the Clinical Disease Activity Index. Mononuclear cells and polymorphonuclear neutrophils were isolated from SLE patients and P-glycoprotein expression was measured using the relative fluorescence index and percentage of positive cells...
June 14, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28613243/dietary-calcium-intake-and-adherence-to-the-mediterranean-diet-in-spanish-children-the-aniva-study
#12
Nuria Rubio-López, Agustín Llopis-González, Yolanda Picó, María Morales-Suárez-Varela
The aim of this study was to evaluate the relationship of dietary calcium intake with anthropometric measures, physical activity and adherence to the Mediterranean diet (MedDiet) in 1176 Spanish children aged 6-9 years. Data were obtained from "Antropometría y Nutrición Infantil de Valencia" (ANIVA), a cross-sectional study of a representative sample. Dietary calcium intake assessed from three-day food records was compared to recommended daily intakes in Spain. Anthropometric measures (weight and height) were measured according to international standards and adherence to the MedDiet was evaluated using the Mediterranean Diet Quality Index (KIDMED) test...
June 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28607061/when-the-appeal-of-a-dominant-leader-is-greater-than-a-prestige-leader
#13
Hemant Kakkar, Niro Sivanathan
Across the globe we witness the rise of populist authoritarian leaders who are overbearing in their narrative, aggressive in behavior, and often exhibit questionable moral character. Drawing on evolutionary theory of leadership emergence, in which dominance and prestige are seen as dual routes to leadership, we provide a situational and psychological account for when and why dominant leaders are preferred over other respected and admired candidates. We test our hypothesis using three studies, encompassing more than 140,000 participants, across 69 countries and spanning the past two decades...
June 12, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28600038/potential-differentiation-of-islet-like-cells-from-pregnant-cow-derived-placental-stem-cells
#14
Shao-Yu Peng, Chien-Wen Chou, Yu-Hsuan Kuo, Perng-Chih Shen, S W Steven Shaw
OBJECTIVE: Type 1 diabetes is an autoimmune disease that destroys islet cells and results in insufficient insulin secretion by pancreatic β-cells. Islet transplantation from donors is an approach used for treating patients with diabetes; however, this therapy is difficult to implement because of the lack of donors. Nevertheless, several stem cells have the potential to differentiate from islet-like cells and enable insulin secretion for treating diabetes in animal models. For example, placenta is considered a waste material and can be harvested noninvasively during delivery without ethical or moral concerns...
June 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28594843/microbes-and-masculinity-does-exposure-to-pathogenic-cues-alter-women-s-preferences-for-male-facial-masculinity-and-beardedness
#15
Toneya L McIntosh, Anthony J Lee, Morgan J Sidari, Rebecca E Stower, James M Sherlock, Barnaby J W Dixson
Women's preferences for men's androgen dependent secondary sexual traits are proposed to be phenotypically plastic in response to exposure to pathogens and pathogen disgust. While previous studies report that masculinity in facial shape is more attractive to women who have recently been exposed to pathogenic cues and who are high in self-reported pathogen disgust, facial hair may reduce male attractiveness under conditions of high pathogens as beards are a possible breeding ground for disease carrying ectoparasites...
2017: PloS One
https://www.readbyqxmd.com/read/28594201/hypocritical-flip-flop-or-courageous-evolution-when-leaders-change-their-moral-minds
#16
Tamar A Kreps, Kristin Laurin, Anna C Merritt
How do audiences react to leaders who change their opinion after taking moral stances? We propose that people believe moral stances are stronger commitments, compared with pragmatic stances; we therefore explore whether and when audiences believe those commitments can be broken. We find that audiences believe moral commitments should not be broken, and thus that they deride as hypocritical leaders who claim a moral commitment and later change their views. Moreover, they view them as less effective and less worthy of support...
June 8, 2017: Journal of Personality and Social Psychology
https://www.readbyqxmd.com/read/28593649/the-effect-of-gabapentin-and-tramadol-in-cancer-pain-induced-by-glioma-cell-in-rat-femur
#17
Janette Nallely Corona-Ramos, Myrna Déciga-Campos, Mario Romero-Piña, Luis A Medina, Issac Martínez-Racine, Osmar A Jaramillo-Morales, Patricia García-López, Francisco Javier López-Muñoz
Preclinical Research The presence of pain as part of the cancer process is variable. Glioblastoma multiform (GBM) can produce bone metastasis, a condition that involves other pathological phenotypes including neuropathic and inflammatory pain. Tramadol and gabapentin are drugs used in the treatment of neuropathic pain. However, there are no studies evaluating their analgesic effects in bone metastasis. We produced a pain model induced by the inoculation of glioma cells (10(5) ) into the rat femur, by perforating the intercodiloid fossa...
June 7, 2017: Drug Development Research
https://www.readbyqxmd.com/read/28588303/critical-dynamics-of-endogenous-fluctuations-predict-cognitive-flexibility-in-the-go-nogo-task
#18
Jaana Simola, Alexander Zhigalov, Isabel Morales-Muñoz, J Matias Palva, Satu Palva
Fluctuations with power-law scaling and long-range temporal correlations (LRTCs) are characteristic to human psychophysical performance. Systems operating in a critical state exhibit such LRTCs, but phenomenologically similar fluctuations and LRTCs may also be caused by slow decay of the system's memory without the system being critical. Theoretically, criticality endows the system with the greatest representational capacity and flexibility in state transitions. Without criticality, however, slowly decaying system memory would predict inflexibility...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28587185/air-flow-detection-in-crude-oil-by-infrared-light
#19
Guilherme Dutra, Cicero Martelli, Marco José Da Silva, Rodolfo L Patyk, Rigoberto E M Morales
In this paper, we used infrared light in the range of 8-12 μm to develop and test an optical imaging system to detect air bubbles flowing in oil. The system basically comprises a broadband light source and a 31 × 32 thermopile array to generate images. To analyze the effects related to light absorption, reflection, and refraction on air-oil boundaries, a numerical model was developed and the predominance of the refraction instead of the absorption in bubbles with diameters below a certain critical value was observed...
June 3, 2017: Sensors
https://www.readbyqxmd.com/read/28585702/consistent-belief-in-a-good-true-self-in-misanthropes-and-three-interdependent-cultures
#20
Julian De Freitas, Hagop Sarkissian, George E Newman, Igor Grossmann, Felipe De Brigard, Andres Luco, Joshua Knobe
People sometimes explain behavior by appealing to an essentialist concept of the self, often referred to as the true self. Existing studies suggest that people tend to believe that the true self is morally virtuous; that is deep inside, every person is motivated to behave in morally good ways. Is this belief particular to individuals with optimistic beliefs or people from Western cultures, or does it reflect a widely held cognitive bias in how people understand the self? To address this question, we tested the good true self theory against two potential boundary conditions that are known to elicit different beliefs about the self as a whole...
June 6, 2017: Cognitive Science
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