Search results for: Cecilia Pérez

Items from 1 to 20 out of 35 results

article

Shape‐Assisted 2D MOF/Graphene Derived Hybrids as Exceptional Lithium‐Ion Battery Electrodes

Kolleboyina Jayaramulu, Deepak P. Dubal, Andreas Schneemann, Václav Ranc, more

Advanced Functional Materials > 29 > 38 > n/a - n/a

Herein, a novel polymer‐templated strategy is described to obtain 2D nickel‐based MOF nanosheets using Ni(OH)₂, squaric acid, and polyvinylpyrrolidone (PVP), where PVP has a dual role as a structure‐directing agent, as well as preventing agglomeration of the MOF nanosheets. Furthermore, a scalable method is developed to transform the 2D MOF sheets to Ni₇S₆/graphene nanosheet (GNS) heterobilayers by...

article

FGF2 induces breast cancer growth through ligand‐independent activation and recruitment of ERα and PRBΔ4 isoform to MYC regulatory sequences

Sebastián Giulianelli, Marina Riggio, Tomas Guillardoy, Cecilia Pérez Piñero, more

International Journal of Cancer > 145 > 7 > 1874 - 1888

Progression to hormone‐independent growth leading to endocrine therapy resistance occurs in a high proportion of patients with estrogen receptor alpha (ERα) and progesterone receptors (PR) positive breast cancer. We and others have previously shown that estrogen‐ and progestin‐induced tumor growth requires ERα and PR interaction at their target genes. Here, we show that fibroblast growth factor 2...

article

Narrow band imaging endoscopy improves visualization of vessels of the perforated tympanic membrane

Adela Cordero Devesa, Miguel Vaca González, Franklin Mariño-Sánchez, Cecilia Pérez Martínez, more

European Archives of Oto-Rhino-Laryngology > 2018 > 275 > 11 > 2633-2641

Purpose Because successful healing of a tympanic membrane perforation (TMP) depends upon the maintenance of blood supply to the injured area, we assessed the usefulness of narrow band imaging (NBI) video endoscopy to evaluate its vascularization. To our knowledge, the use of NBI to assess tympanic membrane (TM) vascular patterns has never been attempted. Methods Prospective observational study....

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Effects of Experimental Lead Exposure on Testis of the Chestnut Capped Blackbird Chrysomus ruficapillus

Danusa Leidens, Adalto Bianchini, Antonio Sergio Varela Junior, Indianara Fernanda Barcarolli, more

Bulletin of Environmental Contamination and Toxicology > 2018 > 100 > 3 > 324-330

Lead (Pb) effects on testis histology, as well as sperm quality and oxidative status were evaluated in male Chestnut Capped Blackbird (Chrysomus ruficapillus). Wild blackbirds were captured, immediately sampled (field group) or kept in captivity and treated with a single intraperitoneal injection of saline solution (control) or saline solution with Pb acetate (50 or 100 mg/kg Pb). Seven days after...

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Effects of IFN-γ coding plasmid supplementation in the immune response and protection elicited by Trypanosoma cruzi attenuated parasites

Cecilia Pérez Brandán, Andrea C. Mesías, Cecilia Parodi, Rubén O. Cimino, more

BMC Infectious Diseases > 2017 > 17 > 1 > 1-9

Background Previous studies showed that a naturally attenuated strain from Trypanosoma cruzi triggers an immune response mainly related to a Th2-type profile. Albeit this, a strong protection against virulent challenge was obtained after priming mice with this attenuated strain. However, this protection is not enough to completely clear parasites from the host. In T. cruzi infection, early Interferon-gamma...

article

Corrigendum to “The late Neoproterozoic Sierra de las Ánimas Magmatic Complex and Playa Hermosa Formation, southern Uruguay, revisited: Paleogeographic implications of new paleomagnetic and precise geochronologic data” [Precambrian Res. 259 (2015) 143–155]

Augusto E. Rapalini, Eric Tohver, Leda Sánchez Bettucci, Ana C. Lossada, more

Precambrian Research > 2017 > 295 > C > 229

article

The Relationship Between Chronic Urticaria and Serum Vitamin D Level

Cecilia Perez, Gloria Dozo, Paola Ferrero, Julio Orellana, more

The Journal of Allergy and Clinical Immunology > 2017 > 139 > 2 Supplement > AB247

article

Non-reconstructable peripheral vascular disease of the lower extremity in ten patients treated with adipose-derived stromal vascular fraction cells

Michael H. Carstens, Arturo Gómez, Ronald Cortés, Elizabeth Turner, more

Stem Cell Research > 2017 > 18 > C > 14-21

We present a series of ten patients with non-reconstructable peripheral vascular disease (PVD), secondary to arteriosclerosis (AS) and/or diabetes mellitus (DM), treated with local injection of non-expanded autologous, adipose-derived stromal vascular fraction (SVF) cells for the purposes of enhancing neovascularization and chronic wound healing. Adipose tissue was surgically harvested and processed...

article

Structural and Dynamics Studies of Pax5 Reveal Asymmetry in Stability and DNA Binding by the Paired Domain

Cecilia Perez-Borrajero, Mark Okon, Lawrence P. McIntosh

Journal of Molecular Biology > 2016 > 428 > 11 > 2372-2391

The eukaryotic transcription factor Pax5 or B-cell specific activator protein (BSAP) is central to B-cell development and has been implicated in a large number of cellular malignancies resulting from loss- or gain-of-function mutations. In this study, we characterized the DNA-binding Paired domain (PD) of Pax5 in its free and DNA-bound forms using NMR spectroscopy. In isolation, the PD folds as two...

article

Continuous monitoring of beehives’ sound for environmental pollution control

Nicolás Pérez, Florencia Jesús, Cecilia Pérez, Silvina Niell, more

Ecological Engineering > 2016 > 90 > C > 326-330

The massive use of pesticides and herbicides to increment the agriculture production can produce severe environmental impacts. This implies the need of new methods to monitor and control the use of chemical agents. An alternative to traditional sampling methods is the use of insects to act as a biological distributed sensor in order to monitor the presence of pesticides in the neighbourhood. Specifically,...

article

The late Neoproterozoic Sierra de las Ánimas Magmatic Complex and Playa Hermosa Formation, southern Uruguay, revisited: Paleogeographic implications of new paleomagnetic and precise geochronologic data

Augusto E. Rapalini, Eric Tohver, Leda Sánchez Bettucci, Ana C. Lossada, more

Precambrian Research > 2015 > 259 > Complete > 143-155

A new paleomagnetic study was carried out on 15 sites of the Sierra de las Ánimas complex, exposed in SE Uruguay. A paleomagnetic remanence was isolated at six sites, and this direction is likely to be pre-tectonic and primary. Mean directions from five of these sites are consistent with the SA2 paleomagnetic pole, which is based on a previous paleomagnetic study of the complex. A new paleomagnetic...

article

Trypanosoma cruzi diversity in the Gran Chaco: Mixed infections and differential host distribution of TcV and TcVI

María M. Monje-Rumi, Cecilia Pérez Brandán, Paula G. Ragone, Nicolás Tomasini, more

Infection, Genetics and Evolution > 2015 > 29 > Complete > 53-59

The transmission cycles of Trypanosoma cruzi in the Gran Chaco are complex networks involving domestic and wild components, whose interrelationships are not well understood. Knowing the circuit of transmission of the different Discrete Typing Units (DTUs) of T. cruzi in the complex environment of the Chaco region is relevant to understanding how the different components (reservoirs, vectors, ecotopes)...

article

Preponderant clonal evolution of Trypanosoma cruzi I from Argentinean Chaco revealed by Multilocus Sequence Typing (MLST)

Nicolás Tomasini, Juan J. Lauthier, María M. Monje Rumi, Paula G. Ragone, more

Infection, Genetics and Evolution > 2014 > 27 > C > 348-354

Trypanosoma cruzi has been historically classified as a species with preponderant clonal evolution (PCE). However, with the advent of highly polymorphic markers and studies at geographically reduced scales, the PCE in T. cruzi was challenged. In fact, some studies have suggested that recombination in T. cruzi lineage I (TcI) is much more frequent than previously believed. Further analyses of TcI populations...

article

Uranium-rich accessory minerals in the peraluminous and perphosphorous Belvís de Monroy pluton (Iberian Variscan belt)

Cecilia Pérez-Soba, Carlos Villaseca, David Orejana, Teresa Jeffries

Contributions to Mineralogy and Petrology > 2014 > 167 > 5 > 1-25

The strongly peraluminous, perphosphorous (<0.85 wt% P₂O₅) and low-Ca granites from the Belvís de Monroy pluton contain the most U-rich monazite-(Ce) and xenotime known in igneous rocks. Along with these accessory minerals, P-rich zircon occurs, reaching uncommon compositions particularly in the more fractionated units of this zoned pluton. Monazite displays a wide compositional variation of UO...

article

Trypanosoma cruzi carrying a monoallelic deletion of the calreticulin (TcCRT) gene are susceptible to complement mediated killing and defective in their metacyclogenesis

Fernando J. Sánchez Valdéz, Cecilia Pérez Brandán, M. Paola Zago, Carlos Labriola, more

Molecular Immunology > 2013 > 53 > 3 > 198-205

Trypanosoma cruzi calreticulin (TcCRT) can hijack complement C1, mannan-binding lectin and ficolins from serum thus inhibiting the classical and lectin complement pathway activation respectively. To understand the in vivo biological functions of TcCRT in T. cruzi we generated a clonal cell line lacking one TcCRT allele (TcCRT+/−) and another clone overexpressing it (TcCRT+). Both clones were derived...

article

Biological behavior of different Trypanosoma cruzi isolates circulating in an endemic area for Chagas disease in the Gran Chaco region of Argentina

Paula G. Ragone, Cecilia Pérez Brandán, Angel M. Padilla, Mercedes Monje Rumi, more

Acta Tropica > 2012 > 123 > 3 > 196-201

The biological behavior of the different Trypanosoma cruzi strains is still unclear and the importance of exploring the relevance of these differences in natural isolates is of great significance. Herein we describe the biological behavior of four T. cruzi isolates circulating sympatrically in a restricted geographic area in Argentina endemic for Chagas Disease. These isolates were characterized as...

article

Screening of Neurodevelopmental Delays in Four Communities of Mexico and Cuba

Francia Guadarrama‐Celaya, Gloria A. Otero‐Ojeda, F. Bernardo Pliego‐Rivero, María del Rosario Porcayo‐Mercado, more

Public Health Nursing > 29 > 2 > 105 - 115

ObjectiveNursing personnel applied a computerized evaluation instrument, Neuropediatric Development (NPED), and compared the prevalence of deviations from normal neurodevelopment in four communities of two Latin American countries, Mexico and Cuba. At the same time the feasibility of introducing this tool into Mexican local health centers was assessed. Design and SampleThe NPED screening tool was...

article

Electron microprobe monazite geochronology of granitic intrusions from the Montes de Toledo batholith (central Spain)

David Orejana, Enrique Merino, Carlos Villaseca, Cecilia Pérez‐Soba, more

Geological Journal > 47 > 1 > 41 - 58

U–Th–Pb monazite dating by electron microprobe has been applied to three peraluminous granitic intrusions of the western Montes de Toledo batholith (MTB). Back scattered electron images of monazite crystals reveal a variety of internal textures: patchy zoning, overgrowths around older cores and unzoned crystals. On the basis of their zoning pattern and chemical composition, two monazite domains can...

article

Associated expressions of FGFR-2 and FGFR-3: from mouse mammary gland physiology to human breast cancer

Juan P. Cerliani, Silvia I. Vanzulli, Cecilia Pérez Piñero, María C. Bottino, more

Breast Cancer Research and Treatment > 2012 > 133 > 3 > 997-1008

Fibroblast growth factor receptors (FGFRs) are tyrosine kinase receptors which have been implicated in breast cancer. The aim of this study was to evaluate FGFR-1, -2, -3, and -4 protein expressions in normal murine mammary gland development, and in murine and human breast carcinomas. Using immunohistochemistry and Western blot, we report a hormonal regulation of FGFR during postnatal mammary gland...

article

Electrophysiological Characterisation of Envelope-Following Responses

Eleina Mijares Nodarse, María Cecilia Pérez Abalo, Alejandro Torres Fortuny, Mayrim Vega Hernández

Acta Otorrinolaringologica (English Edition) > 2011 > 62 > 6 > 425-431

The auditory ability to discriminate rapid changes in the envelope of language sounds is essential for speech comprehension. This ability is deteriorated in some neurological diseases such as multiple sclerosis, auditory neuropathy, sensorineural hearing loss, presbycusis, and primary developmental language disorder. Envelope-following responses (EFRs) in humans are useful in objective measurement...

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Search results for: Cecilia Pérez

Shape‐Assisted 2D MOF/Graphene Derived Hybrids as Exceptional Lithium‐Ion Battery Electrodes

FGF2 induces breast cancer growth through ligand‐independent activation and recruitment of ERα and PRBΔ4 isoform to MYC regulatory sequences

Narrow band imaging endoscopy improves visualization of vessels of the perforated tympanic membrane

Effects of Experimental Lead Exposure on Testis of the Chestnut Capped Blackbird Chrysomus ruficapillus

Effects of IFN-γ coding plasmid supplementation in the immune response and protection elicited by Trypanosoma cruzi attenuated parasites

Corrigendum to “The late Neoproterozoic Sierra de las Ánimas Magmatic Complex and Playa Hermosa Formation, southern Uruguay, revisited: Paleogeographic implications of new paleomagnetic and precise geochronologic data” [Precambrian Res. 259 (2015) 143–155]

The Relationship Between Chronic Urticaria and Serum Vitamin D Level

Non-reconstructable peripheral vascular disease of the lower extremity in ten patients treated with adipose-derived stromal vascular fraction cells

Structural and Dynamics Studies of Pax5 Reveal Asymmetry in Stability and DNA Binding by the Paired Domain

Continuous monitoring of beehives’ sound for environmental pollution control

The late Neoproterozoic Sierra de las Ánimas Magmatic Complex and Playa Hermosa Formation, southern Uruguay, revisited: Paleogeographic implications of new paleomagnetic and precise geochronologic data

Trypanosoma cruzi diversity in the Gran Chaco: Mixed infections and differential host distribution of TcV and TcVI

Preponderant clonal evolution of Trypanosoma cruzi I from Argentinean Chaco revealed by Multilocus Sequence Typing (MLST)

Uranium-rich accessory minerals in the peraluminous and perphosphorous Belvís de Monroy pluton (Iberian Variscan belt)

Trypanosoma cruzi carrying a monoallelic deletion of the calreticulin (TcCRT) gene are susceptible to complement mediated killing and defective in their metacyclogenesis

Biological behavior of different Trypanosoma cruzi isolates circulating in an endemic area for Chagas disease in the Gran Chaco region of Argentina

Screening of Neurodevelopmental Delays in Four Communities of Mexico and Cuba

Electron microprobe monazite geochronology of granitic intrusions from the Montes de Toledo batholith (central Spain)

Associated expressions of FGFR-2 and FGFR-3: from mouse mammary gland physiology to human breast cancer

Electrophysiological Characterisation of Envelope-Following Responses

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