Search results for " Ep"

showing 10 items of 3258 documents

Problemas multiplicativos relacionados con la división de fracciones : un estudio sobre su enseñanza y aprendizaje

2013

Los estudiantes tienen dificultades para asociar el enunciado de un problema multiplicativo con la operación que permite resolverlo; esta investigación identifica los tipos de problemas multiplicativos que los estudiantes reconocen como de división de fracciones. Mediante el análisis histórico-epistemológico de textos de enseñanza sobre tres épocas históricas y ocho períodos diferentes, se obtiene un listado de variables de enseñanza (algoritmos, sentidos de uso de fracción y de división de fracciones, representaciones, problemas), así como los valores de dichas variables. Se localizan en los textos consultados algunas reglas particulares y seis algoritmos generales, cuyo predominio ha vari…

:PSICOLOGÍA::Psicopedagogía::Métodos educativos [UNESCO]UNESCO::MATEMÁTICAS::Teoría de números::Teoría elemental de los númerosresolution approachhistorical and epistemological analysismétodo de resoluciónalgoritmodiscontinuidadrepresentacióncontexto:MATEMÁTICAS::Teoría de números::Teoría elemental de los números [UNESCO]algorithmsconstructs of rational numberscontextsenfoque de resoluciónestructura dimensionalUNESCO::PSICOLOGÍA::Psicología del niño y del adolescente::Problemas de aprendizajemultiplicative problemsstructural analysissentido de usotipología de datosdivisión de fracciones:PSICOLOGÍA::Psicología del niño y del adolescente::Problemas de aprendizaje [UNESCO]discontinuitiesconstructoisomorphism of measurement:MATEMÁTICAS::Otras especialidades matemáticas [UNESCO]use sensesdivision modelsesquema de resoluciónanálisis estructural - dimensionalfractions divisionUNESCO::MATEMÁTICAS::Otras especialidades matemáticasproblemas multiplicativostextual shapesUNESCO::PSICOLOGÍA::Psicopedagogía::Métodos educativosmodelo semánticoanálisis histórico - epistemológico
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Polyoxypregnanes as safe, potent, and specific ABCB1-inhibitory pro-drugs to overcome multidrug resistance in cancer chemotherapy in vitro and in vivo

2021

Multidrug resistance (MDR) mediated by ATP binding cassette subfamily B member 1 (ABCB1) is significantly hindering effective cancer chemotherapy. However, currently, no ABCB1-inhibitory drugs have been approved to treat MDR cancer clinically, mainly due to the inhibitor specificity, toxicity, and drug interactions. Here, we reported that three polyoxypregnanes (POPs) as the most abundant constituents of Marsdenia tenacissima (M. tenacissima) were novel ABCB1-modulatory pro-drugs, which underwent intestinal microbiota-mediated biotransformation in vivo to generate active metabolites. The metabolites at non-toxic concentrations restored chemosensitivity in ABCB1-overexpressing cancer cells v…

ABCC1 ATP binding cassette subfamily C member 1IC50 half maximal inhibitory concentrationMultidrug resistancePharmacologyNADPH reduced nicotinamide adenine dinucleotide phosphateF bioavailabilitychemistry.chemical_compoundPCR polymerase chain reaction0302 clinical medicineMDR multidrug resistanceECL electrochemiluminescencet1/2 elimination half-lifeLC–MS liquid chromatography coupled with mass spectrometryN.D. not detectedGeneral Pharmacology Toxicology and PharmaceuticsBBB blood–brain barriermedia_commonATF3 activating transcription factor 30303 health sciencesChemistryABC ATP-binding cassetteNMPA National Medical Products AdministrationPXR pregnane X receptorSDS-PAGE sodium dodecyl sulfate-polyacrylamide gel electrophoresisHBSS Hankʹs balanced salt solutionABCB1Combination chemotherapyProdrugMarsdenia tenacissimaCmax peak concentrationPaclitaxelGAPDH glyceraldehyde-3-phosphate dehydrogenase030220 oncology & carcinogenesisBHI brain heart infusionOriginal ArticleAUC0–∞ area under plasma concentration vs. time curveMRT mean residence timeDrugmedia_common.quotation_subjectRM1-950Vd volume of distributionABCB1 ATP binding cassette subfamily B member 1UIC-2 mouse monoclonal ABCB1 antibodyABCG2 ATP binding cassette subfamily G member 2Combination chemotherapyCYP cytochrome P450 isozymePI propidium iodideTEER transepithelial electrical resistance03 medical and health sciencesPBS phosphate buffer salineFBS fetal bovine serumDox doxorubicinIn vivoPOP polyoxypregnanemedicine030304 developmental biologyEVOM epithelial tissue voltohmmeterTmax time for peak concentrationCancerLBE lowest binding energyPE phycoerythrinmedicine.diseaseMultiple drug resistancePolyoxypregnanePapp apparent permeabilityN.A. not applicableCancer cellH&E hematoxylin and eosinMDR1a multidrug resistance protein 1aTherapeutics. PharmacologyqPCR quantitative PCRM. tenacissima Marsdenia tenacissimaCL clearanceSD standard derivationActa Pharmaceutica Sinica B
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Problemi dell’adolescenza. Studi scientifici ed epistemologici

2002

ADOLESCENZA EPISTEMOLOGIA
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CLINICAL CHARACTERISTICS AND PLASMA LIPIDS IN SUBJECTS WITH FAMILIAL COMBINED HYPOLIPIDEMIA: A POOLED ANALYSIS

2013

Background. Angiopoietin-like 3 (ANGPTL3) regulates lipoprotein metabolism by modulating extracellular lipases. Loss-of function mutations in ANGPTL3 gene cause familial combined hypolipidemia (FHBL2). The mode of inheritance and hepatic and vascular consequences of FHBL2 have not been fully elucidated. To get further insights on these aspects, we re-evaluated the clinical and the biochemical characteristics of all reported cases of FHBL2. Methods and Results. One hundred fteen FHBL2 individuals carrying 13 different mutations in the ANGPTL3 gene (14 homozygotes, 8 compound heterozygotes and 93 heterozygotes) and 402 controls were considered. Carriers of 2 mutant alleles had undetectable pl…

ANGPTL3 mutations; angiopoietin-like 3; cardiovascular disease; diabetes mellitus; fatty liverSettore MED/09 - Medicina InternaCompound heterozygosityBiochemistryCohort StudiesHypobetalipoproteinemiasEndocrinologyANGPTL3cardiovascular diseaseGenotypeChildLipoproteinclinical characteristicsAged 80 and overbiologydiabetes mellituFatty liverHomozygoteLipoprotein(a)Middle AgedANGPTL3 mutationLipidsCardiovascular Diseasesdiabetes mellitusANGPTL3 Familial combined hypolipidemia LipoproteinAdultmedicine.medical_specialtyHeterozygoteANGPTL3; Familial combined hypolipidemia; clinical characteristicsAdolescentEvinacumabQD415-436Young AdultDiabetes mellitusInternal medicinemedicineHumansANGPTL3 mutationsAlleleFamilial combined hypolipidemiaAgedAngiopoietin-Like Protein 3fatty liverangiopoietin-like 3Cell Biologymedicine.diseaseEndocrinologyAngiopoietin-like ProteinsGene Expression RegulationMutationbiology.proteinPatient-Oriented and Epidemiological ResearchAngiopoietinsLipoproteinLipoprotein(a)
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Epidemiology of congenital diaphragmatic hernia in Europe: a register-based study.

2015

INTRODUCTION: Published prevalence rates of congenital diaphragmatic hernia (CDH) vary. This study aims to describe the epidemiology of CDH using data from high-quality, population-based registers belonging to the European Surveillance of Congenital Anomalies (EUROCAT).METHODS: Cases of CDH delivered between 1980 and 2009 notified to 31 EUROCAT registers formed the population-based case series. Prevalence over time was estimated using multilevel Poisson regression, and heterogeneity between registers was evaluated from the random component of the intercept.RESULTS: There were 3373 CDH cases reported among 12 155 491 registered births. Of 3131 singleton cases, 353 (10.4%) were associated wit…

ANOMALIESAdultMalePediatricsmedicine.medical_specialtyAUSTRALIAAdolescentPopulationPrevalencePrenatal diagnosisGestational AgeEurope/epidemiologysymbols.namesakeYoung AdultEpidemiologyPrevalenceMedicineBirth WeightHumansMALFORMATIONSAbnormalities MultiplePoisson regressionRegistriesPRENATAL-DIAGNOSISeducationeducation.field_of_studybusiness.industryMORTALITYInfant NewbornObstetrics and GynecologyCongenital diaphragmatic herniaGestational ageGeneral MedicineDEFECTSmedicine.diseaseSurvival AnalysisCongenital anomalies ; Diaphragmal hernia ; Epidemiology ; EuropeEuropeHernias Diaphragmatic Congenital/epidemiologyRelative riskPopulation SurveillancePediatrics Perinatology and Child HealthsymbolsAbnormalities Multiple/epidemiologyFemalebusinessHernias Diaphragmatic CongenitalMaternal AgeArchives of disease in childhood. Fetal and neonatal edition
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The mammary pheromone of the rabbit: from where does it come?

2005

Newborn rabbits, Oryctolagus cuniculus, are directed to their mother's nipples by specialized odour cues. Previous investigations have suggested that these cues are released from the doe's abdominal surface from structures located around the nipple. We tested pups with samples of various cutaneous tissues or fluids collected from lactating females to determine the location of the source of the odour cues. After finding that the nipples from lactating does were more attractive than those of virgin females, we conducted three experiments using skin samples collected at increasing distance from the nipples, dermal and mammary tissues taken below the nipples, and milk collected at different lev…

Abdominal surfacemedicine.medical_specialtyMammary glandPhysiologyBiologyChemical communicationNipple epidermisEndocrinologymedicine.anatomical_structureLactationInternal medicinemedicinePheromoneAnimal Science and ZoologyEcology Evolution Behavior and SystematicsAnimal Behaviour
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Neutron-induced defects in F-doped fibers

2014

We present a study on 0.8 MeV neutron-induced defects up to fluences of 1017 n/cm² in fluorine doped fibers by using electron paramagnetic resonance, optical absorption and confocal micro-luminescence techniques. Our results allow to address the microscopic mechanisms leading to the generation of some Silica-related point-defects such as E’, H(I), POR and NBOH Centers.

Absorption EPR neutrons irradiation luminescence optical fibers
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O2.1. FIRST EPISODE PSYCHOSIS PATIENTS ACROSS EUROPE DIFFER IN INTELLECTUAL QUOTIENT (IQ) AND EXPOSURE TO ENVIRONMENTAL HAZARDS

2018

Abstract Background Children who later develop Schizophrenia on average are more likely to present with lower IQ; this has been considered evidence for the neurodevelopmental theory of schizophrenia. Though, recent studies have shown that first episode psychosis patients with a history of cannabis use have significantly higher premorbid and current IQ compared to those who never used it. This suggests that abnormal early neurodevelopment does not explain the aetiology of all cases of Schizophrenia, leaving space to environmental hazards. The present study aims to: investigate differences in IQ, as a marker of neurodevelopment, and in exposure to environmental risk factors in a large sample …

AbstractsPsychiatry and Mental healthmedicine.medical_specialtyFirst episode psychosismedicinePsychiatryPsychologyO2. Oral Session: CognitionIntellectual quotientSchizophrenia Bulletin
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Puput, Abubilla (VER0000186)

Eurasian Hoopoe (Anglès), Huppe fasciée (Francès), Wiedehopf (Alemany) Gabinet de Vertebrats (Departament de Zoologia), Facultat de Ciències Biològiques (Campus de Burjassot), C/ Doctor Moliner, s/n, Bloque B. 5é plant, Burjassot (Valencia). Armari: 31-3 Cartagena Adulto

Abubillas abejarucos carracas y martines pescadoresUpupa epops (Linnaeus 1758)Upupidae
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CNGB3 mutations account for 50% of all cases with autosomal recessive achromatopsia

2005

Contains fulltext : 47591.pdf (Publisher’s version ) (Closed access) Achromatopsia is a congenital, autosomal recessively inherited disorder characterized by a lack of color discrimination, low visual acuity (<0.2), photophobia, and nystagmus. Mutations in the genes for CNGA3, CNGB3, and GNAT2 have been associated with this disorder. Here, we analyzed the spectrum and prevalence of CNGB3 gene mutations in a cohort of 341 independent patients with achromatopsia. In 163 patients, CNGB3 mutations could be identified. A total of 105 achromats carried apparent homozygous mutations, 44 were compound (double) heterozygotes, and 14 patients had only a single mutant allele. The derived CNGB3 mutatio…

AchromatopsiaGenetics and epigenetic pathways of disease [NCMLS 6]genetic structuresGATED CATION CHANNELCNGB3 mutationsNonsense mutationMutantCyclic Nucleotide-Gated Cation ChannelsColor Vision DefectsGenes RecessiveLocus (genetics)Gene mutationBiologyTOTAL COLOURBLINDNESSIon ChannelsCLONINGDogscyclic nucleotide-gated channelGNAT2GeneticsmedicineLOCUSAnimalsHumansMissense mutationNeurosensory disorders [UMCN 3.3]ACHM3 locusDog DiseasesAlleleAllelesGenetics (clinical)Geneticstotal colorblindnessGNAT2PHOTORECEPTORSDYSTROPHYmedicine.diseaseCONE DEGENERATIONGENEeye diseasesPhenotypeEvaluation of complex medical interventions [NCEBP 2]MutationRetinal Cone Photoreceptor Cellssense organsachromatopsiarod monochromacyALPHA-SUBUNIThuman activities
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