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Amber C Ocampo, Larry R Squire, Robert E Clark
No abstract text is available yet for this article.
April 2018: Learning & Memory
Imelda Menchaca-Armenta, Moisés Ocampo-Torres, Arnulfo Hernández-Gómez, Karen Zamora-Cerritos
Diseases caused by viruses such as dengue, chikungunya and zika are mosquito-borne diseases transmitted by Aedes aegypti. We performed a cross-sectional study of healthcare personnel and the general population using questionnaires to identify the level of knowledge, attitudes and practices, and risk perception for dengue, chikungunya and zika. A total of 248 questionnaires were applied, 63.3% to healthcare personnel and 36.7% to the general population. Of the healthcare personnel, 53% were men, and in the general population 74% were women...
March 8, 2018: Revista do Instituto de Medicina Tropical de São Paulo
Glenwood D Goss, Everett E Vokes, Michael S Gordon, Leena Gandhi, Kyriakos P Papadopoulos, Drew W Rasco, JuDee S Fischer, Katharine L Chu, William W Ames, Rajendar K Mittapalli, Ho-Jin Lee, Jiewei Zeng, Lisa A Roberts-Rapp, Lise I Loberg, Peter J Ansell, Edward B Reilly, Christopher J Ocampo, Kyle D Holen, Anthony W Tolcher
BACKGROUND: Epidermal growth factor receptor (EGFR) alterations are associated with multiple cancers. Current EGFR-directed therapies have led to increased efficacy but are associated with specific side effects. The antibody-drug conjugate depatuxizumab mafodotin (depatux-m) targets EGFR with a monoclonal antibody linked to a cytotoxin, and is highly tumor-specific. METHODS: This phase 1/2 study evaluated the safety, pharmacokinetics, and efficacy of depatux-m in patients who had advanced solid tumors with known wild-type EGFR overexpression, amplification, or mutated EGFR variant III...
March 13, 2018: Cancer
Nydia Ávila-Vanzzini, Hector I Michelena, Juan Francisco Fritche Salazar, Héctor Herrera-Bello, Silvia Siu Moguel, Rubén Rafael Rodríguez Ocampo, Diego Javier Oregel Camacho, Nilda Espínola Zavaleta
Aims: Ischaemic mitral regurgitation (IMR) is consequence of left ventricular (LV) remodelling after myocardial infarction. In some cases, the mitral valve enlarges to compensate for LV remodelling and tenting, improving its coaptation; a process termed 'plasticity'. We sought to identify clinical and echocardiographic factors associated with plasticity in patients with chronic inferior myocardial infarction (CII). Methods and results: This study included 91 revascularized CII patients and 46 controls...
February 26, 2018: European Heart Journal Cardiovascular Imaging
Patricio E Lau, Stephanie M Cruz, Elena C Ocampo, Sushma Nuthakki, Candace C Style, Timothy C Lee, David E Wesson, Oluyinka O Olutoye
PURPOSE: The purpose of this study was to evaluate the characteristics of patients with congenital heart disease (CHD) who developed necrotizing enterocolitis (NEC). METHODS: A retrospective review of neonates with CHD at a tertiary care center between January 2006 and January 2016 was performed. Diagnosis of NEC was based on modified Bell's criteria. Patients were grouped by Risk Adjustment for Congenital Heart Surgery (RACHS-1) or by ductal-dependent (DD) lesions that require a patent ductus arteriosus to supply pulmonary or systemic circulation...
February 7, 2018: Journal of Pediatric Surgery
Yuliana Rosas Hernández, Luz Arcelia García Serrano, Daniel Tapia Maruri, Antonio Ruperto Jiménez Aparicio, Brenda Hildeliza Camacho Díaz, Martha Lucia Arenas-Ocampo
About 150 species of Agave genus exist in Mexico, including Agave angustifolia Haw, which is used mainly in the agroindustry for producing alcoholic beverages such as mescal, and for obtaining fructan macromolecules (agavin), during the manufacturing process, a by-product, known as bagasse, is formed. Oaxaca's mescal industry produces about 122,696 tons per year of bagasse (Martinez et al, 2013), likewise, this by-product is also formed in a process where macromolecules are obtained in the Center for Development of Biotic Products-IPN (Centro de Desarrollo de Productos Bioticos-IPN (CeProBi-IPN)) (Patent No...
March 7, 2018: Journal of Agricultural and Food Chemistry
Monique Richter, María Luciana Negro-Demontel, Daniela Blanco-Ocampo, Eliseo Taranto, Natalia Lago, Hugo Peluffo
Traumatic brain injury (TBI) is a leading cause of death and disability and is a risk factor for the later development of neuropsychiatric disorders and neurodegenerative diseases. Many models of TBI have been developed, but their further refinement and a more detailed long-term follow-up is needed. We have used the Thy1-YFP-H transgenic mouse line and the parallel rod floor test to produce an unbiased and robust method for the evaluation of the multiple effects of a validated model of controlled cortical injury...
February 21, 2018: Current Protocols in Immunology
Christian David Sánchez-Barinas, Marisol Ocampo, Magnolia Vanegas, Jeimmy Johana Castañeda-Ramirez, Manuel Alfonso Patarroyo, Manuel Elkin Patarroyo
Mycobacterium tuberculosis is the causative agent of tuberculosis, a disease causing major mortality worldwide. As part of a systematic methodology for studying M. tuberculosis surface proteins which might be involved in host-pathogen interactions, our group found that LpqG surface protein (Rv3623) found in M. tuberculosis complex strains was located on the mycobacterial envelope and that peptide 16661 (21 SGCDSHNSGSLGADPRQVTVY40 ) had high specific binding to U937 monocyte-derived macrophages and inhibited mycobacterial entry to such cells in a concentration-dependent way...
February 27, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Constanza Castro, Luis Bustos, Renato Ocampo, Elda Molina, Pía Cabrero, René Vergara, Fernando Lanas
No abstract text is available yet for this article.
October 2017: Revista Médica de Chile
Jorge E Miranda-Calderon, Lilia Gutierrez, Luis Ocampo, Ponciano Garcia-Gutierrez, Graciela Tapia, Hector Sumano
BACKGROUND: There is a concern about the frequent use of ciprofloxacin in veterinary medicine is linked to increased antimicrobial resistance. The corresponding fluoroquinolone for veterinary use is enrofloxacin. A new solvate form of enrofloxacin, as dihydrate-hydrochloride (enro-C) with higher water solubility than the parent compound, was formulated as an ophthalmic solution (pH 5). A multicentre, longitudinal, non-inferiority clinical study in a non-hospital environment was designed to treat 36 dogs affected by tobramycin-unresponsive conjunctivitis with either the experimental 0...
February 26, 2018: Current Pharmaceutical Design
Deisy Carolina Rodriguez, Marisol Ocampo, Luz Mary Salazar, Manuel Alfonso Patarroyo
Many studies about intracellular microorganisms which are important regarding diseases affecting public health have been focused on the recognition of host-pathogen interactions, thereby ascertaining the mechanisms by which the pathogen invades a cell and makes it become its host. Such knowledge enables understanding the immunological response triggered by these interactions for obtaining useful information for developing vaccines and drugs. Quantitative cell infection assay protocols are indispensable regarding studies involving Mycobacterium tuberculosis, which takes the lives of more than 2 million people worldwide every year; however, sometimes these are limited by the pathogen's slow growth...
February 27, 2018: MicrobiologyOpen
Mónica Cerezales, Alain A Ocampo-Sosa, Laura Álvarez Montes, Catalina Díaz Ríos, Zulema Bustamante, Jazmín Santos, Luis Martínez-Martínez, Paul G Higgins, Lucía Gallego
Acinetobacter baumannii causes serious hospital-acquired infections and has been positioned as a priority organism by the World Health Organization. This study includes 36 A. baumannii isolates from a children hospital recovered between March 2014 and May 2015 in Cochabamba. The majority of the isolates were recovered from blood cultures (n=10, 31.3%) and respiratory samples (n=11, 34.4%); fifty three percent of the patients were younger than one month old. Most of these isolates (n=30, 80.6%) were extremely-drug resistant (XDR) and 8...
February 22, 2018: Pediatric Infectious Disease Journal
Mauricio Salinas-Santander, Víctor Trevino, Eduardo De la Rosa-Moreno, Bárbara Verduzco-Garza, Celia N Sánchez-Domínguez, Cristina Cantú-Salinas, Jorge Ocampo-Garza, Armando Lagos-Rodríguez, Jorge Ocampo-Candiani, Rocio Ortiz-López
Vitiligo is a disorder causing skin depigmentation, in which several factors have been proposed for its pathogenesis: Environmental, genetic and biological aspects of melanocytes, even those of the surrounding keratinocytes. However, the lack of understanding of the mechanisms has complicated the task of predicting the development and progression. The present study used microarray analysis to characterize the transcriptional profile of skin from Vitiligo Vulgaris (VV) patients and the identified transcripts were validated using targeted high-throughput RNA sequencing in a broader set of patients...
March 2018: Experimental and Therapeutic Medicine
Carolina E Vaisman, Oscar Del Moral-Hernandez, Samadhi Moreno-Campuzano, Elena Aréchaga-Ocampo, Raul Bonilla-Moreno, Israel Garcia-Aguiar, Leticia Cedillo-Barron, Jaime Berumen, Porfirio Nava, Nicolas Villegas-Sepúlveda
The HPV-16 E6/E7 bicistronic immature transcript produces 4 mature RNAs: the unspliced HPV-16 E6/E7 pre-mRNA product and 3 alternatively spliced mRNAs. The 3 spliced mRNAs encode short forms of the E6 oncoprotein, namely E6*I, E6*II and E6^E7. In this study we showed that transfection of C-33A cells with monocistronic constructs of these cDNAs fused to GFP, produced different effects on apoptosis, after the treatment with cisplatin. Transfection of C-33A cells with the full-length E6-GFP oncoprotein resulted in a 50% decrease in cell death, while the transfection with the E6*I-GFP construct showed only a 25% of diminution of cell death, compared to the control cells...
February 13, 2018: Virus Research
Eduardo Peña-Mercado, Mario Garcia-Lorenzana, Elena Arechaga-Ocampo, Claudia H González-De la Rosa, Nohra E Beltran
Gastrointestinal ischemia/reperfusion (I/R) generates pathological alterations that could lead to death. Early ischemic damage markers could be used to guide therapy and improve outcomes. AIM: To relate hypoxia-inducible factor 1α (HIF-1α) activation and inducible nitric oxide synthase (iNOS) expression to gastric impedance changes due to I/R damage. METHODS: Experimental animals were randomly distributed into 3 groups: control, ischemia (30 min) and I/R (60 min)...
February 16, 2018: Histology and Histopathology
Amber C Ocampo, Larry R Squire, Robert E Clark
Prior experience has been shown to improve learning in both humans and animals, but it is unclear what aspects of recent experience are necessary to produce beneficial effects. Here, we examined the capacity of rats with complete hippocampal lesions, restricted CA1 lesions, or sham surgeries to benefit from prior experience. Animals were tested in two different spatial tasks in the watermaze, the conventional watermaze task and delayed match-to-position. The two lesions impaired performance in both tasks when rats had no prior experience...
March 2018: Learning & Memory
M L Cuellar-Nuñez, I Luzardo-Ocampo, R Campos-Vega, M A Gallegos-Corona, E González de Mejía, G Loarca-Piña
Moringa (Moringa oleifera) is a plant that has generated great interest in recent years because of its attributed medicinal properties. The aim of this study was to characterize the bioactive compounds of moringa leaves (MO) and evaluate their effect on a colorectal carcinogenesis model. Twenty-four male CD-1 mice were divided into 4 groups: Group 1 fed with basal diet (negative control/NC); Group 2 received AOM/DSS (positive control); Groups 3 and 4 were fed with basal diet supplemented with moringa leaves (2...
March 2018: Food Research International
Gustavo A Constaín, María Victoria Ocampo Saldarriaga, Juan David Velásquez Tirado, María de Los Ángeles Rodríguez-Gázquez, Lina Marcela Betancur Morales, Juan José Rico Escobar, Gustavo Adolfo Castilla Agudelo, Andrés Felipe Maya Osorno
OBJECTIVE: The purpose of the study was to determine the prevalence and characteristics of patients with persistent delirium (PD) at three months after hospital discharge. METHODOLOGY: Longitudinal descriptive study to assess the prevalence and characteristics of in-patients aged 65 years and older in the Clinica Universitaria Bolivariana who met DSM-5 criteria for delirium at admission, at discharge, and at a 3-month follow up assessment. Socio-demographic features were determined, and CGI-S and DRS-R98 scales used...
January 2018: Revista Colombiana de Psiquiatría
Juan Jakez-Ocampo, Carmen María Paulín-Vera, Liliana Rivadeneyra-Espinoza, Diana Gómez-Martín, Eduardo Carrillo-Maravilla, Guadalupe Lima, María Inés Vargas-Rojas, Beatriz Pérez-Romano, Gabriella Calva-Cevenini, Mario García-Carrasco, Alejandro Ruiz-Argüelles, Luis Llorente
Objetivo: Se investigó la proporción de la expresión génica del receptor variable beta de células T (Vβ TCR) en linfocitos periféricos CD3+ en pacientes con lupus eritematoso generalizado (LEG) familiar y no familiar. Método: El repertorio de Vβ TCR se estudió en 14 familias que presentaban más de un miembro con LEG. El uso de Vβ TCR en pacientes con LEG (n = 27) se comparó con el de los miembros sanos de estas familias (n = 47), con 37 pacientes con LEG esporádico y con 15 controles sanos...
2018: Gaceta Médica de México
Alexander Urbano-Bonilla, Gustavo A Ballen, Guido A Herrera-R, Jhon Zamudio, Edgar E Herrera-Collazos, Carlos DoNascimiento, Saúl Prada-Pedreros, Javier A Maldonado-Ocampo
The Cusiana River sub-basin has been identified as a priority conservation area in the Orinoco region in Colombia due to its high species diversity. This study presents an updated checklist and identification key for fishes of the Cusiana River sub-basin. The checklist was assembled through direct examination of specimens deposited in the main Colombian ichthyological collections. A total of 2020 lots from 167 different localities from the Cusiana River sub-basin were examined and ranged from 153 to 2970 m in elevation...
2018: ZooKeys
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