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https://www.readbyqxmd.com/read/28747172/characteristics-of-the-specific-humoral-response-in-patients-with-advanced-solid-tumors-after-active-immunotherapy-with-a-vegf-vaccine-at-different-antigen-doses-and-using-two-distinct-adjuvants
#1
Javier Sánchez Ramírez, Yanelys Morera Díaz, Mónica Bequet-Romero, Francisco Hernández-Bernal, Katty-Hind Selman-Housein Bernal, Ana de la Torre Santos, Eduardo Rafael Santiesteban Álvarez, Yenima Martín Bauta, Cimara H Bermúdez Badell, Josué de la Torre Pupo, Jorge V Gavilondo, Marta Ayala Avila
BACKGROUND: CIGB-247, a VSSP-adjuvanted VEGF-based vaccine, was evaluated in a phase I clinical trial in patients with advanced solid tumors (CENTAURO). Vaccination with the maximum dose of antigen showed an excellent safety profile, exhibited the highest immunogenicity and was the only one showing a reduction on platelet VEGF bioavailability. However, this antigen dose level did not achieve a complete seroconversion rate in vaccinated patients. These clinical results led us to the question whether a "reserve" of untapped immune response potential against VEGF could exist in cancer patients...
July 26, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28746408/microwave-magnetic-proteomics-of-macrophages-from-patients-with-hiv-associated-cognitive-impairment
#2
Yisel M Cantres-Rosario, Frances M Acevedo-Mariani, Juliana Pérez-Laspiur, William E Haskins, Marines Plaud, Yadira M Cantres-Rosario, Richard Skolasky, Israel Méndez-Bermúdez, Valerie Wojna, Loyda M Meléndez
OBJECTIVE: HIV-infected monocytes can infiltrate the blood brain barrier as differentiated macrophages to the central nervous system, becoming the primary source of viral and cellular neurotoxins. The final outcome is HIV-associated cognitive impairment (HACI), which remain prevalent today, possibly due to the longer life-span of the patients treated with combined anti-retroviral therapy. Our main goal was to characterize the proteome of monocyte-derived macrophages (MDM) from HACI patients, and its association with their cognitive status, to find novel targets for therapy...
2017: PloS One
https://www.readbyqxmd.com/read/28743634/early-ciliary-and-prominin-1-dysfunctions-precede-neurogenesis-impairment-in-a-mouse-model-of-type-2-diabetes
#3
Tomás P Bachor, Jana Karbanová, Edgar Büttner, Vicente Bermúdez, Melisa Marquioni Ramella, Peter Carmeliet, Denis Corbeil, Angela M Suburo
Diabetes mellitus (DM) is reaching epidemic conditions worldwide and increases the risk for cognition impairment and dementia. Here, we postulated that progenitors in adult neurogenic niches might be particularly vulnerable. Therefore, we evaluated the different components of the mouse subventricular zone (SVZ) during the first week after chemical induction of type 1 and type 2 diabetes-like (T1DM and T2DM) conditions. Surprisingly, only T2DM mice showed SVZ damage. The initial lesions were localized to ependymal cilia, which appeared disorientated and clumped together...
July 22, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28740975/tyrosol-and-its-metabolites-as-antioxidative-and-anti-inflammatory-molecules-in-human-endothelial-cells
#4
Francisco J G Muriana, Sergio Montserrat-de la Paz, Ricardo Lucas, Beatriz Bermudez, Sara Jaramillo, Juan C Morales, Rocio Abia, Sergio Lopez
Tyrosol (Tyr) is a phenolic compound found in virgin olive oil. After ingestion, Tyr undergoes extensive first pass intestinal/hepatic metabolism. However, knowledge about the biological effects of Tyr metabolites is scarce. We chemically synthesized Tyr glucuronate (Tyr-GLU) and sulphate (Tyr-SUL) metabolites and explored their properties against oxidative stress and inflammation in TNF-α-treated human umbilical vein endothelial cells (hECs). Tyr and Tyr-SUL prevented the rise of reactive oxygen species, the depletion of glutathione, and the down-regulation of glutathione peroxidase 1, glutamate-cysteine ligase catalytic subunit, and heme oxygenase-1 genes...
July 25, 2017: Food & Function
https://www.readbyqxmd.com/read/28732695/optimization-of-genotypic-and-biochemical-methods-to-profile-p-acnes-isolates-from-a-patient-population
#5
Rubén Cebrián, Sergio Arévalo, Salvador Arias-Santiago, Cristina Riazzo, M Dolores Rojo, Pilar Bermúdez, Eva Valdivia, Manuel Martínez-Bueno, Mercedes Maqueda
Propionibacterium acnes is a key factor in the pathogenesis of acne vulgaris, although currently it is also being associated with medical-device infections. The aim of this work was to validate a safe and quick identification and typing of 24 clinical isolates of Propionibacterium acnes, applying a range of biochemical as well as genetic methods, and investigating the pathogenic potential to associate the different types with human health. RAPD-PCRs revealed the existence of two discernible clusters in correspondence with the phylogroups I and II, according to the PAtig gene polymorphism, leading them to be assigned as P...
July 18, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28729354/continuous-flow-lvad-support-causes-a-distinct-form-of-intestinal-angiodysplasia
#6
Jooeun Kang, Samson Hennessy-Strahs, Pawel Kwiatkowski, Christian Bermudez, Michael A Acker, Pavan Atluri, Patrick McConnell, Carlo R Bartoli
Rationale: The objective of this autopsy study was to determine whether abnormal gastrointestinal vascularity develops during continuous-flow LVAD support. Objective: Left ventricular assist device (LVAD) support causes pathologic degradation of von Willebrand factor (vWF) and bleeding from gastrointestinal angiodysplasia at an alarming rate. It has been speculated that LVAD support, itself may cause angiodysplasia. The relationship to abnormal vWF metabolism is unknown. We tested the hypothesis that abnormal gastrointestinal vascularity develops during continuous-flow LVAD support...
July 20, 2017: Circulation Research
https://www.readbyqxmd.com/read/28728937/the-impact-of-machine-learning-techniques-in-the-study-of-bipolar-disorder-a-systematic-review
#7
REVIEW
Diego Librenza-Garcia, Bruno Jaskulski Kotzian, Jessica Yang, Benson Mwangi, Bo Cao, Luiza Nunes Pereira Lima, Mariane Bagatin Bermudez, Manuela Vianna Boeira, Flávio Kapczinski, Ives Cavalcante Passos
Machine learning techniques provide new methods to predict diagnosis and clinical outcomes at an individual level. We aim to review the existing literature on the use of machine learning techniques in the assessment of subjects with bipolar disorder. We systematically searched PubMed, Embase and Web of Science for articles published in any language up to January 2017. We found 757 abstracts and included 51 studies in our review. Most of the included studies used multiple levels of biological data to distinguish the diagnosis of bipolar disorder from other psychiatric disorders or healthy controls...
July 17, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28721609/susceptibility-of-diaphorina-citri-hemiptera-liviidae-and-its-parasitoid-tamarixia-radiata-hymenoptera-eulophidae-to-entomopathogenic-fungi-under-laboratory-conditions
#8
K H Ibarra-Cortés, A W Guzmán-Franco, H González-Hernández, L D Ortega-Arenas, J A Villanueva-Jiménez, A Robles-Bermúdez
Diaphorina citri (Kuwayama) is a global pest of citrus that transmits the bacteria associated with the disease, Huanglongbing. Entomopathogenic fungi and the parasitoid Tamarixia radiata (Waterston) are important biological control agents of this pest and likely to interact in D. citri populations. As a basis for interaction studies, we determined the susceptibility of nymphs and adults of D. citri and adults of the parasitoid T. radiata to six fungal isolates from the species Beauveria bassiana s.l. (Bals...
July 18, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28719871/optic-neuritis-in-pregnancy-after-tdap-vaccination-report-of-two-cases
#9
Jose M Cabrera-Maqueda, Rocio Hernández-Clares, Ana E Baidez-Guerrero, Julian Ignacio Bermúdez Pío-Rendón, Jose J Martín Fernández
Two pregnant women developed one-eye blurring vision within three weeks after Tdap vaccination. Neurophtalmologic and MR examination confirmed an unilateral optic neuritis without evidence of underlying disease. Both patients had a full recovery, one after intravenous metilprednisolone. This is the first report of optic neuritis related with Tdap vaccination in pregnancy.
July 11, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28713353/functional-characterization-of-novel-faecalibacterium-prausnitzii-strains-isolated-from-healthy-volunteers-a-step-forward-in-the-use-of-f-prausnitzii-as-a-next-generation-probiotic
#10
Rebeca Martín, Sylvie Miquel, Leandro Benevides, Chantal Bridonneau, Véronique Robert, Sylvie Hudault, Florian Chain, Olivier Berteau, Vasco Azevedo, Jean M Chatel, Harry Sokol, Luis G Bermúdez-Humarán, Muriel Thomas, Philippe Langella
Faecalibacterium prausnitzii is a major member of the Firmicutes phylum and one of the most abundant bacteria in the healthy human microbiota. F. prausnitzii depletion has been reported in several intestinal disorders, and more consistently in Crohn's disease (CD) patients. Despite its importance in human health, only few microbiological studies have been performed to isolate novel F. prausnitzii strains in order to better understand the biodiversity and physiological diversity of this beneficial commensal species...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28711461/prevalence-of-comorbidities-in-rheumatoid-arthritis-and-evaluation-of-their-monitoring-in-clinical-practice-the-spanish-cohort-of-the-comora-study
#11
Alejandro Balsa, Leticia Lojo-Oliveira, Mercedes Alperi-López, María García-Manrique, Carmen Ordóñez-Cañizares, Lorena Pérez, Virginia Ruiz-Esquide, Alfonso Corrales, Javier Narváez, José Rey-Rey, Carlos Rodríguez-Lozano, Soledad Ojeda, Santiago Muñoz-Fernández, Joan M Nolla, José García-Torrón, Fernando Gamero, Rosario García-Vicuña, Blanca Hernández-Cruz, José Campos, José Rosas, José Francisco García-Llorente, Antonio Gómez-Centeno, Rafael Cáliz, Raimon Sanmartí, Alberto Bermúdez, Lydia Abasolo-Alcázar, Antonio Fernández-Nebro, Luis Rodríguez-Rodríguez, Carlos Marras, Miguel Ángel González-Gay, Ihsane Hmamouchi, Emilio Martín-Mola
OBJECTIVES: To describe the prevalence of comorbidities in patients with RA in Spain and discuss their management and implications using data from the Spanish cohort of the multinational study on COMOrbidities in Rheumatoid Arthritis (COMORA). METHODS: This is a national sub-analysis of the COMORA study. We studied the demographics and disease characteristics of 200 adults patients diagnosed with RA (1987 ACR), and routine practices for screening and preventing the following selected comorbidities: cardiovascular, infections, cancer, gastrointestinal, pulmonary, osteoporosis and depression...
July 12, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28708900/serum-levels-of-interleukin-6-are-linked-to-the-severity-of-the-disease-caused-by-andes-virus
#12
Jenniffer Angulo, Constanza Martínez-Valdebenito, Claudia Marco, Héctor Galeno, Eliecer Villagra, Lilian Vera, Natalia Lagos, Natalia Becerra, Judith Mora, Andrea Bermúdez, Janepsy Díaz, Marcela Ferrés, Marcelo López-Lastra
Andes virus (ANDV) is the etiological agent of hantavirus cardiopulmonary syndrome in Chile. In this study, we evaluated the profile of the pro-inflammatory cytokines IL-1β, IL-12p70, IL-21, TNF-α, IFN-γ, IL-10 and IL-6 in serum samples of ANDV-infected patients at the time of hospitalization. The mean levels of circulating cytokines were determined by a Bead-Based Multiplex assay coupled with Luminex detection technology, in order to compare 43 serum samples of healthy controls and 43 samples of ANDV-infected patients that had been categorized according to the severity of disease...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28703271/silent-early-migration-of-a-figulla%C3%A2-septal-occluder-into-the-left-ventricle
#13
Alejandro Gutiérrez-Barrios, Juan M Lacal-Peña, Jose M Vignau-Cano, Anibal Bermudez-García, Jesús Oneto-Otero
No abstract text is available yet for this article.
2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28703221/manipulation-of-nuclear-architecture-through-crispr-mediated-chromosomal-looping
#14
Stefanie L Morgan, Natasha C Mariano, Abel Bermudez, Nicole L Arruda, Fangting Wu, Yunhai Luo, Gautam Shankar, Lin Jia, Huiling Chen, Ji-Fan Hu, Andrew R Hoffman, Chiao-Chain Huang, Sharon J Pitteri, Kevin C Wang
Chromatin looping is key to gene regulation, yet no broadly applicable methods to selectively modify chromatin loops have been described. We have engineered a method for chromatin loop reorganization using CRISPR-dCas9 (CLOuD9) to selectively and reversibly establish chromatin loops. We demonstrate the power of this technology to selectively modulate gene expression at targeted loci.
July 13, 2017: Nature Communications
https://www.readbyqxmd.com/read/28702866/association-of-the-familial-coexistence-of-child-stunting-and-maternal-overweight-with-indigenous-women-in-guatemala
#15
J Lee, R Houser, A Must, P Palma, O Bermudez
Objectives This study investigated the association of the familial coexistence of child stunting and maternal overweight with indigenous women in Guatemala. Methods We selected 2388 child-mother pairs from the data set of the Living Standards Measurement Study conducted in Guatemala in 2000. This study examined the association between maternal and household characteristics and the nutritional status of children aged 6-60 months and mothers aged 18-49 years by using multivariable logistic regression models. Results Compared with non-indigenous households, a significantly higher percentage of indigenous households exhibited stunted child and overweight mother (SCOM) pairs (15...
July 12, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28680907/visual-stimulation-quenches-global-alpha-range-activity-in-awake-primate-v4-a-case-study
#16
Thomas Deneux, Timothée Masquelier, Maria A Bermudez, Guillaume S Masson, Gustavo Deco, Ivo Vanzetta
Increasing evidence suggests that sensory stimulation not only changes the level of cortical activity with respect to baseline but also its structure. Despite having been reported in a multitude of conditions and preparations (for instance, as a quenching of intertrial variability, Churchland et al., 2010), such changes remain relatively poorly characterized. Here, we used optical imaging of voltage-sensitive dyes to explore, in V4 of an awake macaque, the spatiotemporal characteristics of both visually evoked and spontaneously ongoing neuronal activity and their difference...
July 2017: Neurophotonics
https://www.readbyqxmd.com/read/28671721/chloride-passivation-of-zno-electrodes-improves-charge-extraction-in-colloidal-quantum-dot-photovoltaics
#17
Jongmin Choi, Younghoon Kim, Jea Woong Jo, Junghwan Kim, Bin Sun, Grant Walters, F Pelayo García de Arquer, Rafael Quintero-Bermudez, Yiying Li, Chih Shan Tan, Li Na Quan, Andrew Pak Tao Kam, Sjoerd Hoogland, Zhenghong Lu, Oleksandr Voznyy, Edward H Sargent
The tunable bandgap of colloidal quantum dots (CQDs) makes them an attractive material for photovoltaics (PV). The best present-day CQD PV devices employ zinc oxide (ZnO) as an electron transport layer; however, it is found herein that ZnO's surface defect sites and unfavorable electrical band alignment prevent devices from realizing their full potential. Here, chloride (Cl)-passivated ZnO generated from a solution of presynthesized ZnO nanoparticles treated using an organic-solvent-soluble Cl salt is reported...
July 3, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28671535/comparative-analysis-of-the-genomes-of-clinical-isolates-of-mycobacterium-avium-subsp-hominissuis-regarding-virulence-related-genes
#18
Brendan Jeffrey, Sasha J Rose, Kerrigan Gilbert, Matthew Lewis, Luiz E Bermudez
PURPOSE: Mycobacterium avium subsp. hominissuis is a member of the M. avium complex, a heterogeneous group of bacteria that cause lung infection in immunocompetent patients or disseminated infection in patients with immunosuppression. The bacteria belonging to this complex have variable virulence, depending on the strain considered, and therefore a representative of the most common clinical phenotype was analysed. METHODOLOGY: The genomic sequences of four M. avium subsp...
July 3, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28668253/expression-and-secretion-of-the-giardia-duodenalis-variant-surface-protein-9b10a-by-transfected-trophozoites-causes-damage-to-epithelial-cell-monolayers-mediated-by-protease-activity
#19
Ariana Cabrera-Licona, Eduardo Solano-González, Rocío Fonseca-Liñán, Ma Luisa Bazán-Tejeda, Raúl Argüello-García, Rosa Ma Bermúdez-Cruz, Guadalupe Ortega-Pierres
Giardia duodenalis is the protozoan parasite responsible for most cases of parasitic diarrhea worldwide. The pathogenic mechanisms of giardiasis have not yet been fully characterized. In this context parasite's excretory/secretory products have been related to the damage induced by the parasite on enterocytes. Among these is the Variable Surface Proteins (VSPs) family involved in antigenic variation and in the induction of protective response. In proteomic analyses carried out to identify the proteases with high molecular weight secreted by Giardia trophozoites during the initial phase of interaction with IEC-6 cell monolayers we identified the VSP9B10A protein...
August 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28667436/comparison-of-quality-of-life-among-community-dwelling-older-adults-with-the-frailty-phenotype
#20
Sergio Sánchez-García, Katia Gallegos-Carrillo, María Claudia Espinel-Bermudez, Svetlana V Doubova, Rosalinda Sánchez-Arenas, Carmen García-Peña, Antoni Salvà, Silvia C Briseño-Fabian
PURPOSE: To compare the perception of the quality of life (QOL) of community-dwelling older adults with the phenotype of frailty. METHODS: Cross-sectional analysis of baseline data of the "Cohort of Obesity, Sarcopenia and Frailty of Mexican Older Adults" (COSFOMA). Operationalization of frailty was carried out using the phenotype as follows: weight loss, self-report of exhaustion, low physical activity, slow gait, and weakness. QOL was measured using two scales: World Health Organization Quality of Life of Older Adults (WHOQOL-OLD), which is a specific instrument for the elderly population, and Short Form-36 Health Survey (SF-36), a generic instrument to evaluate the QOL related to health...
June 30, 2017: Quality of Life Research
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