630 research outputs found
SATISFACCIÓN DE LOS ALUMNOS DE ENFERMERÍA DE LA UNIVERSIDAD CATÓLICA SAN ANTONIO (UCAM) SOBRE SU FORMACIÓN PRÁCTICA. SEMINARIOS EN SALAS DE DEMOSTRACIONES Y PRÁCTICAS CLÍNICAS
Objective: To know the satisfaction of UCAM nursing students regarding the clinical training included in the practical training they attended during the undergraduate program. Method: A descriptive, observational and transversal study was carried out with nursing students of the Catholic University of San Antonio during the academic years 2004/05 and 2007/08. The studied sample consisted of all the nursing students registered in courses of second and third year with clinical training credits. A closed specific questionnaire of multiple choice was elaborated for the accomplishment of the study. Results: More than 90% of the students state that seminars improve the clinical training and that the theoretical study of practice seminars is helpful for improving nursing techniques. Techniques learned at seminars meet real assistance. Students of both academic years describe the relation with nurses and clinical mentors at hospitals and health centers as good and very good in more than 90% of the cases. More than 80% of the students consider that clinical mentors have facilitated its integration in working team. Conclusions: It is important that the student satisfaction in internal and external practice training is good and that the relation with clinical mentors is adequate. Regarding the opinion of the students about the clinical mentor management in the Unit of Nursing Practical Training, it was concluded that there are aspects to be improved in which we have already begun to work.Objetivo. Conocer la satisfacción de los alumnos de enfermería de la Universidad Católica San Antonio sobre las prácticas que desarrollan durante su formación de pregrado. Método. Se realizó un estudio descriptivo observacional trasversal realizado en la Diplomatura de Enfermería de la Universidad Católica San Antonio durante los cursos académicos 2004/05 y 2007/08. La población objeto de estudio son todos los alumnos de enfermería matriculados en asignaturas de segundo y tercer curso con créditos prácticos. Para la realización del estudio se elaboró un cuestionario específico cerrado de respuesta múltiple. Resultados. Más del 90% de los alumnos afirman que los seminarios mejoran el inicio de las prácticas clínicas, y que el estudio teórico de los seminarios prácticos es de gran ayuda para mejorar la técnica. Las técnicas aprendidas en los seminarios se corresponden con la realidad asistencial. Los alumnos de ambos cursos académicos califican la relación con los profesionales de los centros sanitarios y socio-sanitarios como buena y muy buena en más de un 90% de los casos. Más del 80% de los alumnos consideran que el profesional – tutor ha facilitado su integración en el equipo de trabajo. Conclusiones. Se puede subrayar que la satisfacción de los alumnos tanto en las prácticas internas y externas es buena y que la relación con los profesionales – tutores es adecuada. En cuanto a la opinión de los alumnos sobre las gestiones que se llevan a cabo desde la Unidad de Prácticas de Enfermería, concluimos que existen aspectos mejorables sobre los que ya hemos comenzado a trabajar.
Comparative study of the antimutagenic properties of vitamins C and E against mutation induced by norfloxacin
Molecular Cytogenetic Analysis of the European Hake Merluccius merluccius (Merlucciidae, Gadiformes): U1 and U2 snRNA Gene Clusters Map to the Same Location
The European hake (Merluccius merluccius) is a highly valuable and intensely fished species
in which a long-term alive stock has been established in captivity for aquaculture purposes.
Due to their huge economic importance, genetic studies on hakes were mostly
focused on phylogenetic and phylogeographic aspects; however chromosome numbers
are still not described for any of the fifteen species in the genus Merluccius. In this work we
report a chromosome number of 2n = 42 and a karyotype composed of three meta/submetacentric
and 18 subtelo/telocentric chromosome pairs. Telomeric sequences appear
exclusively at both ends of every single chromosome. Concerning rRNA genes, this species
show a single 45S rDNA cluster at an intercalary location on the long arm of subtelocentric
chromosome pair 12; the single 5S rDNA cluster is also intercalary to the long arm of chromosome
pair 4. While U2 snRNA gene clusters map to a single subcentromeric position on
chromosome pair 13, U1 snRNA gene clusters seem to appear on almost all chromosome
pairs, but showing bigger clusters on pairs 5, 13, 16, 17 and 19. The brightest signals on
pair 13 are coincident with the single U2 snRNA gene cluster signals. Therefore, the use of
these probes allows the unequivocal identification of at least 7 of the chromosome pairs that
compose the karyotype of Merluccius merluccius thus opening the way to integrate molecular
genetics and cytological data on the study of the genome of this important species.Versión del editor4,411
Longitudinal analysis of blood DNA methylation identifies mechanisms of response to tumor necrosis factor inhibitor therapy in rheumatoid arthritis
Rheumatoid arthritis (RA) is a chronic, immune-mediated inflammatory disease of the joints that has been associated with variation in the peripheral blood methylome. In this study, we aim to identify epigenetic variation that is associated with the response to tumor necrosis factor inhibitor (TNFi) therapy.Peripheral blood genome-wide DNA methylation profiles were analyzed in a discovery cohort of 62 RA patients at baseline and at week 12 of TNFi therapy. DNA methylation of individual CpG sites and enrichment of biological pathways were evaluated for their association with drug response. Using a novel cell deconvolution approach, altered DNA methylation associated with TNFi response was also tested in the six main immune cell types in blood. Validation of the results was performed in an independent longitudinal cohort of 60 RA patients.Treatment with TNFi was associated with significant longitudinal peripheral blood methylation changes in biological pathways related to RA (FDR<0.05). 139 biological functions were modified by therapy, with methylation levels changing systematically towards a signature similar to that of healthy controls. Differences in the methylation profile of T cell activation and differentiation, GTPase-mediated signaling, and actin filament organization pathways were associated with the clinical response to therapy. Cell type deconvolution analysis identified CpG sites in CD4+T, NK, neutrophils and monocytes that were significantly associated with the response to TNFi.Our results show that treatment with TNFi restores homeostatic blood methylation in RA. The clinical response to TNFi is associated to methylation variation in specific biological pathways, and it involves cells from both the innate and adaptive immune systems.The Instituto de Salud Carlos III.Copyright © 2022 The Authors. Published by Elsevier B.V. All rights reserved
Regional Genetic Structure in the Aquatic Macrophyte Ruppia cirrhosa Suggests Dispersal by Waterbirds
The evolutionary history of the genus Ruppia has been shaped by hybridization, polyploidisation and vicariance that have resulted in a problematic taxonomy. Recent studies provided insight into species circumscription, organelle takeover by hybridization, and revealed the importance of verifying species identification to avoid distorting effects of mixing different species, when estimating population connectivity. In the present study, we use microsatellite markers to determine population diversity and connectivity patterns in Ruppia cirrhosa including two spatial scales: (1) from the Atlantic Iberian coastline in Portugal to the Siculo-Tunisian Strait in Sicily and (2) within the Iberian Peninsula comprising the Atlantic-Mediterranean transition. The higher diversity in the Mediterranean Sea suggests that populations have had longer persistence there, suggesting a possible origin and/or refugial area for the species. The high genotypic diversities highlight the importance of sexual reproduction for survival and maintenance of populations. Results revealed a regional population structure matching a continent-island model, with strong genetic isolation and low gene flow between populations. This population structure could be maintained by waterbirds, acting as occasional dispersal vectors. This information elucidates ecological strategies of brackish plant species in coastal lagoons, suggesting mechanisms used by this species to colonize new isolated habitats and dominate brackish aquatic macrophyte systems, yet maintaining strong genetic structure suggestive of very low dispersal.Fundacao para a Cincia e Tecnologia (FCT, Portugal) [PTDC/MAR/119363/2010, BIODIVERSA/0004/2015, UID/Multi/04326/2013]Pew FoundationSENECA FoundationMurcia Government, Spain [11881/PI/09]FCT Investigator Programme-Career Development [IF/00998/2014]Spanish Ministry of Education [AP2008-01209]European Community [00399/2012]info:eu-repo/semantics/publishedVersio
Structure and evolution of the gorilla and orangutan growth hormone loci
In primates, the unigenic growth hormone (GH) locus of prosimians, expressed primarily in the anterior pituitary, evolved by gene duplications, independently in New World Monkeys (NWM) and Old World Monkeys (OWMs)/apes, to give complex clusters of genes expressed in the pituitary and placenta. In human and chimpanzee, the GH locus comprises five genes, GH-N being expressed as pituitary GH, whereas GH-V (placental GH) and CSHs (chorionic somatomammotropins) are expressed (in human and probably chimpanzee) in the placenta; the CSHs comprise CSH-A, CSH-B and the aberrant CSH-L (possibly a pseudogene) in human, and CSH-A1, CSH-A2 and CSH-B in chimpanzee. Here the GH locus in two additional great apes, gorilla (Gorilla gorilla gorilla) and orangutan (Pongo abelii), is shown to contain six and four GH-like genes respectively. The gorilla locus possesses six potentially expressed genes, gGH-N, gGH-V and four gCSHs, whereas the orangutan locus has just three functional genes, oGH-N, oGH-V and oCSH-B, plus a pseudogene, oCSH-L. Analysis of regulatory sequences, including promoter, enhancer and P-elements, shows significant variation; in particular the proximal Pit-1 element of GH-V genes differs markedly from that of other genes in the cluster. Phylogenetic analysis shows that the initial gene duplication led to distinct GH-like and CSH-like genes, and that a second duplication provided separate GH-N and GH-V. However, evolution of the CSH-like genes remains unclear. Rapid adaptive evolution gave rise to the distinct CSHs, after the first duplication, and to GH-V after the second duplication. Analysis of transcriptomic databases derived from gorilla tissues establishes that the gGH-N, gGH-V and several gCSH genes are expressed, but the significance of the many CSH genes in gorilla remains unclear
Content validation of the Self-perception of Family Health Status scale using the Delphi technique
Response of Quercus ilex seedlings to Phytophthora spp. root infection in a soil infestation test
[EN] Phytophthora species are the main agents associated with oak (Quercus spp.) decline, together with the changing environmental conditions and the intensive land use. The aim of this study was to evaluate the susceptibility of Quercus ilex to the inoculation with eight Phytophthora species. Seven to eight month old Q. ilex seedlings grown from acorns,
obtained from two Spanish origins, were inoculated with P. cinnamomi, P. cryptogea, P. gonapodyides, P. megasperma, P. nicotianae, P. plurivora, P. psychrophila and P. quercina. All Phytophthora inoculated seedlings showed decline and symptoms including small dark necrotic root lesions, root cankers, and loss of fine roots and tap root. The most aggressive species were P. cinnamomi, P. cryptogea, P. gonapodyides, P. plurivora and P. psychrophila followed by P. megasperma., while Phytophthora quercina and P. nicotianae were the less aggressive species. Results obtained confirm that these Phytophthora species could constituted a threat to Q. ilex ecosystems and the implications are further discussed.The authors are grateful to A. Solla and his team from the Centro Universitario de Plasencia-Universidad de Extremadura (Spain) for helping in the acorns collection and to the CIEF (Centro para la Investigación y Experimentación Forestal, Generalitat Valenciana, Valencia, Spain) for providing the acorns. This research was supported by funding from the project AGL2011- 30438-C02-01 (Ministerio de Economía y Competitividad, Spain).Mora-Sala, B.; Abad Campos, P.; Berbegal Martinez, M. (2018). Response of Quercus ilex seedlings to Phytophthora spp. root infection in a soil infestation test. European Journal of Plant Pathology. https://doi.org/10.1007/s10658-018-01650-6SÁlvarez, L. A., Pérez-Sierra, A., Armengol, J., & García-Jiménez, J. (2007). Characterization of Phytophthora nicotianae isolates causing collar and root rot of lavender and rosemary in Spain. Journal of Plant Pathology, 89, 261–264.Balci, Y., & Halmschlager, E. (2003a). 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Social sciences research in neglected tropical diseases 2: A bibliographic analysis
The official published version of the article can be found at the link below.Background
There are strong arguments for social science and interdisciplinary research in the neglected tropical diseases. These diseases represent a rich and dynamic interplay between vector, host, and pathogen which occurs within social, physical and biological contexts. The overwhelming sense, however, is that neglected tropical diseases research is a biomedical endeavour largely excluding the social sciences. The purpose of this review is to provide a baseline for discussing the quantum and nature of the science that is being conducted, and the extent to which the social sciences are a part of that.
Methods
A bibliographic analysis was conducted of neglected tropical diseases related research papers published over the past 10 years in biomedical and social sciences. The analysis had textual and bibliometric facets, and focussed on chikungunya, dengue, visceral leishmaniasis, and onchocerciasis.
Results
There is substantial variation in the number of publications associated with each disease. The proportion of the research that is social science based appears remarkably consistent (<4%). A textual analysis, however, reveals a degree of misclassification by the abstracting service where a surprising proportion of the "social sciences" research was pure clinical research. Much of the social sciences research also tends to be "hand maiden" research focused on the implementation of biomedical solutions.
Conclusion
There is little evidence that scientists pay any attention to the complex social, cultural, biological, and environmental dynamic involved in human pathogenesis. There is little investigator driven social science and a poor presence of interdisciplinary science. The research needs more sophisticated funders and priority setters who are not beguiled by uncritical biomedical promises
Long-term results of breast conservation and immediate volume replacement with myocutaneous latissimus dorsi flap
<p>Abstract</p> <p>Background</p> <p>Published long-term outcomes of oncoplastic breast-conserving surgery are scarce and, specifically, aesthetic outcomes assessed with an objective method have not previously been published.</p> <p>Methods</p> <p>A cohort of 41 patients treated with a quadrantectomny and immediate reconstruction using a myocutaneous latissimus dorsi flap were analyzed and their aesthetic outcomes were evaluated objectively by BCCT.core software.</p> <p>Results</p> <p>At the end of a 58-month follow-up from the date of initial diagnosis, one patient (2.4%) developed an ipsilateral recurrence, six patients developed distant metastases and three patients died (7.3%) without ipsilateral recurrence, one of them presenting hepatic metastases at the time of the initial diagnosis. We were able to evaluate aesthetic results in 23 patients, 3 assessed as excellent, 12 good and 8 fair.</p> <p>Conclusion</p> <p>This oncoplastic volume replacement technique obtained a good local control and satisfactory and stable aesthetic results which have maintained unchanged after a long period of time.</p
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