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Matías J, Cruz V, Rodríguez MJ, Calvo P, Maestro-Gaitán I, Reguera M. Evaluating Yield, Nutritional Quality, and Environmental Impact of Quinoa Straws across Mediterranean Water Environments. Plants (Basel) 2024; 13:751. [PMID: 38592749 PMCID: PMC10974331 DOI: 10.3390/plants13060751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 02/26/2024] [Accepted: 03/01/2024] [Indexed: 04/10/2024]
Abstract
Quinoa (Chenopodium quinoa Willd.) is a promising and versatile crop due to its remarkable adaptability to diverse environments and the exceptional nutritional value of its seeds. Nevertheless, despite the recent extensive research on quinoa seeds, the straw associated with this crop has received comparatively little attention. The valorisation of this by-product provides an opportunity to improve the overall outcomes of quinoa cultivation. In this work, three quinoa varieties were evaluated for two years (2019 and 2020) under three different Mediterranean water environments (irrigation, fresh rainfed, and hard rainfed), aiming to assess the straw yield and nutritional quality and to study the changes in the crop nutritional uptake associated with different water environmental conditions. The nutritional analysis included the quantification of the ash, crude protein, crude fat, minerals (P, K, Ca, Mg), and fibre (gross fibre (GF), acid detergent fibre (ADF), neutral detergent fibre (NDF), acid detergent lignin (ADL), hemicellulose, cellulose) contents. As the results reveal, most of the parameters evaluated were susceptible to change mainly with the water environment but also with the genotype (or their interaction), including the yield, crude protein, relative feed value (RFV), and mineral content, which generally decreased under water-limiting conditions. Moreover, a comparative analysis revealed that straw Ca, Mg, and K contents were generally higher than in seeds. Overall, this study demonstrates that quinoa straw quality is genotypic and environmentally dependent, and these factors should be considered when aiming at improving straw feed value for livestock nutrition.
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Affiliation(s)
- Javier Matías
- Agrarian Research Institute “La Orden-Valdesequera” of Extremadura (CICYTEX), 06187 Badajoz, Spain;
| | - Verónica Cruz
- Agrarian Research Institute “La Orden-Valdesequera” of Extremadura (CICYTEX), 06187 Badajoz, Spain;
| | - María José Rodríguez
- Technological Institute of Food and Agriculture of Extremadura (CICYTEX), 06007 Badajoz, Spain; (M.J.R.); (P.C.)
| | - Patricia Calvo
- Technological Institute of Food and Agriculture of Extremadura (CICYTEX), 06007 Badajoz, Spain; (M.J.R.); (P.C.)
| | - Isaac Maestro-Gaitán
- Department of Biology, Campus de Cantoblanco, Universidad Autónoma de Madrid, c/Darwin 2, 28049 Madrid, Spain;
| | - María Reguera
- Department of Biology, Campus de Cantoblanco, Universidad Autónoma de Madrid, c/Darwin 2, 28049 Madrid, Spain;
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Barea-Ramos JD, Rodríguez MJ, Calvo P, Melendez F, Lozano J, Martín-Vertedor D. Inhibition of Botrytis cinerea in tomatoes by allyl-isothiocyanate release from black mustard (Brassica nigra) seeds and detection by E-nose. Food Chem 2024; 432:137222. [PMID: 37625300 DOI: 10.1016/j.foodchem.2023.137222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 06/28/2023] [Accepted: 08/18/2023] [Indexed: 08/27/2023]
Abstract
The aim of this work is to delayed the postharvest development of Botrytis cinerea in tomatoes by releasing allyl-isothiocyanate (AITC) from mustard seeds at room temperature, and to discriminate the aromatic profile by using an electronic device (E-nose). Olfactory sensory analysis showed that tomatoes inoculated in the presence of AITC did not develop the microorganisms until the eighth day of storage. The highest inhibitory concentration of AITC was found in Day 3 (175.18 ppb). However, tomatoes inoculated without the presence of AITC developed a moldy aroma on the third day of storage. The most prominent chemical groups were esters, ketones and alcohols. The compounds associated with a positive aroma were trimethyl orthoacetate, styrene, tridecan-7-amine and acetaldehyde, while compounds related to B. cinerea were hepten-2-one and butanoic acid. The E-nose was able to discriminate tomatoes based on their aromatic characteristics during the storage period. Moreover, it successfully quantified the mold defect aroma with the established Partial Least Squares (PLS) model.
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Affiliation(s)
- Juan Diego Barea-Ramos
- Technological Institute of Food and Agriculture CICYTEX-INTAEX, Junta of Extremadura, Avda. Adolfo Suárez s/n, 06007 Badajoz, Spain
| | - María José Rodríguez
- Technological Institute of Food and Agriculture CICYTEX-INTAEX, Junta of Extremadura, Avda. Adolfo Suárez s/n, 06007 Badajoz, Spain
| | - Patricia Calvo
- Technological Institute of Food and Agriculture CICYTEX-INTAEX, Junta of Extremadura, Avda. Adolfo Suárez s/n, 06007 Badajoz, Spain
| | - Félix Melendez
- Industrial Engineering School, University of Extremadura, 06006 Badajoz, Spain
| | - Jesús Lozano
- Industrial Engineering School, University of Extremadura, 06006 Badajoz, Spain
| | - Daniel Martín-Vertedor
- Technological Institute of Food and Agriculture CICYTEX-INTAEX, Junta of Extremadura, Avda. Adolfo Suárez s/n, 06007 Badajoz, Spain.
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Matías J, Rodríguez MJ, Cruz V, Calvo P, Granado-Rodríguez S, Poza-Viejo L, Fernández-García N, Olmos E, Reguera M. Assessment of the changes in seed yield and nutritional quality of quinoa grown under rainfed Mediterranean environments. Front Plant Sci 2023; 14:1268014. [PMID: 38023922 PMCID: PMC10662129 DOI: 10.3389/fpls.2023.1268014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 10/06/2023] [Indexed: 12/01/2023]
Abstract
Climate change is considered a serious threat to agriculture and food security. It is linked to rising temperatures and water shortages, conditions that are expected to worsen in the coming decades. Consequently, the introduction of more drought-tolerant crops is required. Quinoa (Chenopodium quinoa Willd.) has received great attention worldwide due to the nutritional properties of its seeds and its tolerance to abiotic stress. In this work, the agronomic performance and seed nutritional quality of three quinoa varieties were studied during two consecutive years (2019-2020) under three water environmental conditions of Southwestern Europe (irrigated conditions, fresh rainfed, and hard rainfed) with the goal of determining the impact of rainfed conditions on this crop performance. High precipitations were recorded during the 2020 growing season resulting in similar grain yield under irrigation and fresh rainfed conditions. However, in 2019, significant yield differences with penalties under water-limiting conditions were found among the evaluated environmental conditions. Furthermore, nutritional and metabolomic differences were observed among seeds harvested from different water environments including the progressive accumulation of glycine betaine accompanied by an increase in saponin and a decrease in iron with water limitation. Generally, water-limiting environments were associated with increased protein contents and decreased yields preserving a high nutritional quality despite particular changes. Overall, this work contributes to gaining further knowledge about how water availability affects quinoa field performance, as it might impact both seed yield and quality. It also can help reevaluate rainfed agriculture, as water deficit can positively impact the nutritional quality of seeds.
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Affiliation(s)
- Javier Matías
- Agrarian Research Institute “La Orden-Valdesequera” of Extremadura (CICYTEX), Badajoz, Spain
| | - María José Rodríguez
- Technological Institute of Food and Agriculture of Extremadura (CICYTEX), Badajoz, Spain
| | - Verónica Cruz
- Agrarian Research Institute “La Orden-Valdesequera” of Extremadura (CICYTEX), Badajoz, Spain
| | - Patricia Calvo
- Technological Institute of Food and Agriculture of Extremadura (CICYTEX), Badajoz, Spain
| | | | - Laura Poza-Viejo
- Department of Biology, Universidad Autónoma de Madrid, Madrid, Spain
| | - Nieves Fernández-García
- Department of Abiotic Stress and Plant Pathology, CEBAS-Consejo Superior de Investigaciones Científicas, Murcia, Spain
| | - Enrique Olmos
- Department of Abiotic Stress and Plant Pathology, CEBAS-Consejo Superior de Investigaciones Científicas, Murcia, Spain
| | - María Reguera
- Department of Biology, Universidad Autónoma de Madrid, Madrid, Spain
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Rodríguez MJ, Graziani A, Seoane JS, Di Napoli L, Pérez Akly M, Besada C. Radiological predictors of final infarct volume in patients with proximal vascular occlusion. Radiologia (Engl Ed) 2023; 65:414-422. [PMID: 37758332 DOI: 10.1016/j.rxeng.2021.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 12/22/2021] [Indexed: 10/03/2023]
Abstract
INTRODUCTION Various clinical and radiologic variables impact the neurologic prognosis of patients with ischemic cerebrovascular accidents. About 30% of ischemic cerebrovascular accidents are caused by proximal obstruction of the anterior circulation; in these cases, systemic thrombolysis is of limited usefulness. CT angiography is indicated in candidates for endovascular treatment. Various radiologic factors, including the grade of leptomeningeal collateral circulation, as well as the length, density, and extension of the thrombus, have been identified as predictors of neurologic prognosis after anterior ischemic cerebrovascular accidents due to proximal vascular obstruction. Final infarct volume correlations with mortality and long-term functional outcome in these patients. This study aimed to determine the best predictors of final infarct volume on CT angiography in patients with ischemic cerebral accidents due to proximal occlusion. MATERIALS AND METHODS This retrospective observational study included adults with ischemic cerebrovascular accidents due to obstruction of the anterior circulation diagnosed by CT angiography in the period comprising June 2009 through December 2019. We measured the length and density of the thrombus in unenhanced CT images, and we used the clot burden score to record the grade of leptomeningeal collateral circulation and the extension of the thrombus. Then we measured the final infarct volume on follow-up CT and analyzed the correlations among these radiologic factors in the infarct volume. RESULTS We included 54 patients [mean age, 82 y; 41 (75%) women] with ischemic cerebrovascular accidents due to proximal occlusion. About 60% of the cerebrovascular accidents affected the right cerebral hemisphere, and the most commonly affected vessel was the M1 segment of the medial cerebral artery (40.7%). Final infarct volume correlated with the grade of leptomeningeal collateral circulation (p=0.03) and with the clot burden score (p=0.01). Neither the length nor the density of the thrombus correlated with final infarct volume. CONCLUSION The final infarct volume can be estimated on the initial CT angiogram. Nevertheless, we found no useful predictive factors in unenhanced CT images. The best independent radiologic predictors of the final infarct volume are the grade of collateral circulation and the clot burden score, especially in patients who did not undergo mechanical thrombectomy, because mechanical thrombectomy improves outcomes. These factors are important for decision making in the management of patients with ischemic cerebrovascular accidents due to proximal occlusion.
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Affiliation(s)
- M J Rodríguez
- Hospital Italiano de Buenos Aires, Buenos Aires, Argentina.
| | - A Graziani
- Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - J S Seoane
- Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - L Di Napoli
- Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - M Pérez Akly
- Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - C Besada
- Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
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Granado-Rodríguez S, Maestro-Gaitán I, Matías J, Rodríguez MJ, Calvo P, Hernández LE, Bolaños L, Reguera M. Changes in nutritional quality-related traits of quinoa seeds under different storage conditions. Front Nutr 2022; 9:995250. [PMID: 36324620 PMCID: PMC9620721 DOI: 10.3389/fnut.2022.995250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 09/20/2022] [Indexed: 11/13/2022] Open
Abstract
Within the context of climate change and its impact on global food security, seed storage has become key, as it ensures long-term food and next-season seed preservation. Aiming at evaluating quality-related changes in quinoa seeds over storage time, different storage temperatures (–20, 4, 12, 25, and 37°C) and humidity conditions (use of silica gel or not) were studied and different seed nutritional parameters were evaluated at different points during a year of storage. Also, to determine if these variations could be conditioned by the genotype used, two quinoa cultivars were compared. The results proved that quinoa seed quality is highly dependent on the storage temperature but is not consistently affected by the use of silica gel if the seed moisture content (SMC) is kept between 5 and 12%. Furthermore, quality can be maintained and even improved by keeping SMC lower than 12% and storage temperatures low (4°C). Under these conditions (at 4°C in hermetic packaging with or without silica gel), and after 12 months of storage, there was an increase in amino acids like isoleucine, serine, arginine, glycine, and glutamic acid and in seed viability and germination. On the contrary, quinoa seeds stored at 37°C showed an accumulation of reactive oxygen species (ROS) which was related to a lower antioxidant capacity and a reduction in the contents of essential amino acids like isoleucine, lysine, histidine, and threonine, resulting in a delayed and reduced germination capacity, and, therefore, lower seed quality. Besides, quality-related differences appeared between cultivars highlighting differences linked to the genotype. Overall, this work demonstrates that optimal storage temperatures and SMC can preserve or even improve quinoa seed nutritional quality, which in turn can impact food safety and agriculture.
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Affiliation(s)
| | | | - Javier Matías
- Centro de Investigaciones Científicas y Tecnológicas de Extremadura (CICYTEX), Agrarian Research Institute “La Orden-Valdesequera” of Extremadura, Guadajira, Spain
| | - María José Rodríguez
- Technological Institute of Food and Agriculture of Extremadura, Centro de Investigaciones Científicas y Tecnológicas de Extremadura (CICYTEX), Guadajira, Spain
| | - Patricia Calvo
- Technological Institute of Food and Agriculture of Extremadura, Centro de Investigaciones Científicas y Tecnológicas de Extremadura (CICYTEX), Guadajira, Spain
| | | | - Luis Bolaños
- Departamento de Biología, Universidad Autónoma de Madrid, Madrid, Spain
| | - Maria Reguera
- Departamento de Biología, Universidad Autónoma de Madrid, Madrid, Spain
- *Correspondence: Maria Reguera,
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Matías J, Rodríguez MJ, Granado-Rodríguez S, Cruz V, Calvo P, Reguera M. Changes in Quinoa Seed Fatty Acid Profile Under Heat Stress Field Conditions. Front Nutr 2022; 9:820010. [PMID: 35419388 PMCID: PMC8996139 DOI: 10.3389/fnut.2022.820010] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 02/25/2022] [Indexed: 01/01/2023] Open
Abstract
The nutritional quality of quinoa is often related to the high protein content of their seeds. However, and despite not being an oilseed crop, the oil composition of quinoa seeds is remarkable due to its profile, which shows a high proportion of polyunsaturated fatty acids (PUFAs), particularly in essential fatty acids such as linoleic (ω-6) and α-linolenic (ω-3). In line with this, this study aimed at evaluating the effect of elevated temperatures on the oil composition of different quinoa cultivars grown in the field in two consecutive years (i.e., 2017 and 2018). In 2017, heat stress episodes resulted in a reduced oil content and lower quality linked to decreased ratios of oleic acid:linoleic acid, larger omega-6 (ω-6) to omega-3 (ω-3) ratios, and lower monounsaturated fatty acid (MUFA) and higher PUFA contents. Furthermore, the correlations found between mineral nutrients such as phosphorous (P) and the contents of oleic and linoleic acids emphasize the possibility of optimizing oil quality by controlling fertilization. Overall, the results presented in this study show how the environmental and genetic factors and their interaction may impact oil quality in quinoa seeds.
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Affiliation(s)
- Javier Matías
- Agrarian Research Institute "La Orden-Valdesequera" of Extremadura, Centro de Investigaciones Científicas y Tecnológicas de Extremadura, Badajoz, Spain
| | - María José Rodríguez
- Technological Institute of Food and Agriculture of Extremadura, Centro de Investigaciones Científicas y Tecnológicas de Extremadura, Badajoz, Spain
| | | | - Verónica Cruz
- Agrarian Research Institute "La Orden-Valdesequera" of Extremadura, Centro de Investigaciones Científicas y Tecnológicas de Extremadura, Badajoz, Spain
| | - Patricia Calvo
- Technological Institute of Food and Agriculture of Extremadura, Centro de Investigaciones Científicas y Tecnológicas de Extremadura, Badajoz, Spain
| | - María Reguera
- Department of Biology, Universidad Autónoma de Madrid, Madrid, Spain
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Vélez Mendoza AJL, Rodríguez MJ, Mercado-Araujo A. Usos del árbol Azadirachta indica a. Juss por aves en tres localidades del departamento de Atlántico, Colombia. RC 2022. [DOI: 10.25100/rc.v24i1.10628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Colombia cuenta con el mayor número de aves registradas en el mundo y ocupa, después de Brasil, el segundo lugar en biodiversidad de especies vegetales. Por otro parte, el país presenta óptimas condiciones para la especie invasora Azadirachta indica, conocida como neem, introducida al país por sus propiedades insecticidas, usos medicinales y proyectos de restauración ecológica. No obstante, se desconocen qué funciones ecológicas puede estar cumpliendo. Hasta ahora se ha registrado que ciertas especies de aves consumen su fruto. Este trabajo aporta información sobre posibles actividades realizadas por la avifauna urbana con esta especie de árbol. La investigación se llevó a cabo entre octubre y noviembre de 2015, delimitando tres zonas ubicadas en San Salvador (Barranquilla), El Concord (Malambo) y sede norte de la Universidad del Atlántico (Barranquilla). Se utilizó el método de muestreo de punto fijo para dos momentos de observación: salida (07:00– 08:00 horas) y puesta de sol (16:00 – 17:00 horas). Se observaron 12 especies de aves con algún tipo de uso y aprovechamiento del árbol: percha, reposo, canto, acicalamiento y consumo del fruto. Concluimos que A. indica ha sido incorporado a las actividades de las aves en el entorno urbano, principalmente, como un sitio de descanso y estadía temporal. En menor medida puede ser una fuente de alimento para determinadas especies de aves con dietas omnívoras o enfocadas en frutos y semillas.
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Bay C, Rodríguez MJ, Tejada P, Feuerhake T, Cruz JP, Corre NL, Córdova G. Meningitis tuberculosa: un desafío diagnóstico en pediatría. Rev Chilena Infectol 2022. [DOI: 10.4067/s0716-10182022000400483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Rodríguez MJ, Sabaj M, Tolosa G, Herrera Vielma F, Zúñiga MJ, González DR, Zúñiga-Hernández J. Maresin-1 Prevents Liver Fibrosis by Targeting Nrf2 and NF-κB, Reducing Oxidative Stress and Inflammation. Cells 2021; 10:3406. [PMID: 34943914 PMCID: PMC8699629 DOI: 10.3390/cells10123406] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 11/19/2021] [Accepted: 11/22/2021] [Indexed: 12/12/2022] Open
Abstract
Liver fibrosis is a complex process characterized by the excessive accumulation of extracellular matrix (ECM) and an alteration in liver architecture, as a result of most types of chronic liver diseases such as cirrhosis, hepatocellular carcinoma (HCC) and liver failure. Maresin-1 (MaR1) is derivative of ω-3 docosahexaenoic acid (DHA), which has been shown to have pro-resolutive and anti-inflammatory effects. We tested the hypothesis that the application of MaR1 could prevent the development of fibrosis in an animal model of chronic hepatic damage. Sprague-Dawley rats were induced with liver fibrosis by injections of diethylnitrosamine (DEN) and treated with or without MaR1 for four weeks. In the MaR1-treated animals, levels of AST and ALT were normalized in comparison with DEN alone, the hepatic architecture was improved, and inflammation and necrotic areas were reduced. Cell proliferation, assessed by the mitotic activity index and the expression of Ki-67, was increased in the MaR1-treated group. MaR1 attenuated liver fibrosis and oxidative stress was induced by DEN. Plasma levels of the pro-inflammatory mediators TNF-α and IL-1β were reduced in MaR1-treated animals, whereas the levels of IL-10, an anti-inflammatory cytokine, increased. Interestingly, MaR1 inhibited the translocation of the p65 subunit of NF-κB, while increasing the activation of Nrf2, a key regulator of the antioxidant response. Finally, MaR1 treatment reduced the levels of the pro-fibrotic mediator TGF-β and its receptor, while normalizing the hepatic levels of IGF-1, a proliferative agent. Taken together, these results suggest that MaR1 improves the parameters of DEN-induced liver fibrosis, activating hepatocyte proliferation and decreasing oxidative stress and inflammation. These results open the possibility of MaR1 as a potential therapeutic agent in fibrosis and other liver pathologies.
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Affiliation(s)
- María José Rodríguez
- Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Talca 3460000, Chile; (M.J.R.); (F.H.V.); (M.J.Z.); (D.R.G.)
- Programa de Doctorado en Ciencias Mención Investigación y Desarrollo de Productos Bioactivos, Instituto de Química de los Recursos Naturales, Universidad de Talca, Talca 3460000, Chile
| | - Matías Sabaj
- Escuela de Tecnología Médica, Facultad de Ciencias de la Salud, Universidad de Talca, Talca 3460000, Chile; (M.S.); (G.T.)
| | - Gerardo Tolosa
- Escuela de Tecnología Médica, Facultad de Ciencias de la Salud, Universidad de Talca, Talca 3460000, Chile; (M.S.); (G.T.)
| | - Francisca Herrera Vielma
- Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Talca 3460000, Chile; (M.J.R.); (F.H.V.); (M.J.Z.); (D.R.G.)
- Programa de Doctorado en Ciencias Mención Investigación y Desarrollo de Productos Bioactivos, Instituto de Química de los Recursos Naturales, Universidad de Talca, Talca 3460000, Chile
| | - María José Zúñiga
- Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Talca 3460000, Chile; (M.J.R.); (F.H.V.); (M.J.Z.); (D.R.G.)
| | - Daniel R. González
- Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Talca 3460000, Chile; (M.J.R.); (F.H.V.); (M.J.Z.); (D.R.G.)
| | - Jessica Zúñiga-Hernández
- Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Talca 3460000, Chile; (M.J.R.); (F.H.V.); (M.J.Z.); (D.R.G.)
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10
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Perez-Berna AJ, Benseny-Cases N, Rodríguez MJ, Valcarcel R, Carrascosa JL, Gastaminza P, Pereiro E. Monitoring reversion of hepatitis C virus-induced cellular alterations by direct-acting antivirals using cryo soft X-ray tomography and infrared microscopy. Acta Crystallogr D Struct Biol 2021; 77:1365-1377. [PMID: 34726165 PMCID: PMC8561738 DOI: 10.1107/s2059798321009955] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 09/24/2021] [Indexed: 01/01/2023] Open
Abstract
Hepatitis C virus (HCV) is an enveloped RNA virus. One of the hallmarks of HCV infection is a rearrangement of the host cell membranes, known as the `membranous web'. Full-field cryo soft X-ray tomography (cryo-SXT) in the water-window energy range (284-543 eV) was performed on the MISTRAL beamline to investigate, in whole unstained cells, the morphology of the membranous rearrangements induced in HCV replicon-harbouring cells in conditions close to the living physiological state. All morphological alterations could be reverted by a combination of sofosbuvir/daclatasvir, which are clinically approved antivirals (direct-acting antivirals; DAAs) for HCV infection. Correlatively combining cryo-SXT and 2D synchrotron-based infrared microscopy provides critical information on the chemical nature of specific infection-related structures, which allows specific patterns of the infection process or the DAA-mediated healing process to be distinguished.
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Affiliation(s)
- Ana J. Perez-Berna
- ALBA Synchrotron Light Source, Carrer de la Llum 2–26, 08290 Cerdanyola del Valles, Spain
| | - Nuria Benseny-Cases
- ALBA Synchrotron Light Source, Carrer de la Llum 2–26, 08290 Cerdanyola del Valles, Spain
| | - María José Rodríguez
- Centro Nacional de Biotecnología, Campus de Cantoblanco, Universidad Autónoma de Madrid, Madrid, Spain
| | - Ricardo Valcarcel
- ALBA Synchrotron Light Source, Carrer de la Llum 2–26, 08290 Cerdanyola del Valles, Spain
| | - José L. Carrascosa
- Centro Nacional de Biotecnología, Campus de Cantoblanco, Universidad Autónoma de Madrid, Madrid, Spain
| | - Pablo Gastaminza
- Centro Nacional de Biotecnología, Campus de Cantoblanco, Universidad Autónoma de Madrid, Madrid, Spain
| | - Eva Pereiro
- ALBA Synchrotron Light Source, Carrer de la Llum 2–26, 08290 Cerdanyola del Valles, Spain
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Aira C, Klett-Mingo JI, Ruiz T, Garcia-Sacristán A, Martín-Valls GE, Mateu E, Gómez-Laguna J, Rueda P, González VM, Rodríguez MJ, López L. Development of an antigen Enzyme-Linked AptaSorbent Assay (ELASA) for the detection of swine influenza virus in field samples. Anal Chim Acta 2021; 1181:338933. [PMID: 34556218 DOI: 10.1016/j.aca.2021.338933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 08/04/2021] [Accepted: 08/08/2021] [Indexed: 02/08/2023]
Abstract
Influenza viruses are highly variable pathogens that infect a wide range of mammalian and avian species. According to the internal conserved proteins (nucleoprotein: NP, and matrix proteins: M), these viruses are classified into type A, B, C, and D. Influenza A virus in swine is of significant importance to the industry since it is responsible for endemic infections that lead to high economic loses derived from poor weight gain, reproductive disorders, and the role it plays in Porcine Respiratory Disease Complex (PRDC). To date, swine influenza virus (SIV) diagnosis continues to be based in complex and expensive technologies such as RT-qPCR. In this study, we aimed to improve actual tools by the implementation of aptamers as capture molecules. First, three different aptamers have been selected using as target the recombinant NP of Influenza A virus expressed in insect cells. Then, these molecules have been used for the development of an Enzyme-Linked AptaSorbent Assay (ELASA) in combination with specific monoclonal antibodies for Influenza A detection. A total of 171 field samples (nasal swabs) have been evaluated with the newly developed assay obtaining a 79.7% and 98.1% sensitivity and specificity respectively, using real time RT-PCR as standard assay. These results suggest that the assay is a promising method that could be used for Influenza A detection in analysis laboratories facilitating surveillance labours.
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Affiliation(s)
- Cristina Aira
- Eurofins-Inmunología y Genética Aplicada S.A. (Eurofins-INGENASA), Madrid, Spain.
| | | | - Tamara Ruiz
- Eurofins-Inmunología y Genética Aplicada S.A. (Eurofins-INGENASA), Madrid, Spain
| | | | | | - Enric Mateu
- Institut de Recerca I Tecnologia Alimentaria, Universidad Autónoma de Barcelona, Barcelona, Spain
| | - Jaime Gómez-Laguna
- Department of Anatomy, Comparative Pathology, and Toxicology, University of Córdoba, Córdoba, Spain
| | - Paloma Rueda
- Eurofins-Inmunología y Genética Aplicada S.A. (Eurofins-INGENASA), Madrid, Spain
| | - Víctor Manuel González
- Aptamer Group. IRYCIS-Hospital Ramón y Cajal, Madrid, Spain; Aptus Biotech SL, Madrid, Spain
| | - María José Rodríguez
- Eurofins-Inmunología y Genética Aplicada S.A. (Eurofins-INGENASA), Madrid, Spain
| | - Lissette López
- Eurofins-Inmunología y Genética Aplicada S.A. (Eurofins-INGENASA), Madrid, Spain
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12
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Granado-Rodríguez S, Vilariño-Rodríguez S, Maestro-Gaitán I, Matías J, Rodríguez MJ, Calvo P, Cruz V, Bolaños L, Reguera M. Genotype-Dependent Variation of Nutritional Quality-Related Traits in Quinoa Seeds. Plants (Basel) 2021; 10:plants10102128. [PMID: 34685936 PMCID: PMC8537255 DOI: 10.3390/plants10102128] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/04/2021] [Accepted: 10/05/2021] [Indexed: 11/16/2022]
Abstract
Exploiting the relationship between the nutritional properties of seeds and the genetic background constitutes an essential analysis, which contributes to broadening our knowledge regarding the control of the nutritional quality of seeds or any other edible plant structure. This is an important aspect when aiming at improving the nutritional characteristics of crops, including those of Chenopodium quinoa Willd. (quinoa), which has the potential to contribute to food security worldwide. Previous works have already described changes in the nutritional properties of quinoa seeds due to the influence of the environment, the genotype, or their interaction. However, there is an important limitation in the analyses carried out, including the outcomes that can be translated into agronomical practices and their effect on seed quality. In the present study, several seed nutritional-related parameters were analyzed in 15 quinoa cultivars grown in a particular environmental context. Important agronomical and nutritional differences were found among cultivars, such as variations in mineral or protein contents and seed viability. More importantly, our analyses revealed key correlations between seed quality-related traits in some cultivars, including those that relate yield and antioxidants or yield and the germination rate. These results highlight the importance of considering the genotypic variation in quinoa when selecting improved quinoa varieties with the best nutritional characteristics for new cultivation environments.
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Affiliation(s)
- Sara Granado-Rodríguez
- Departamento de Biología, Campus de Cantoblanco, c/Darwin 2, Universidad Autónoma de Madrid, 28049 Madrid, Spain; (S.G.-R.); (I.M.-G.); (L.B.)
| | - Susana Vilariño-Rodríguez
- Vitrosur Lab SLU, Algodonera del Sur, Carretera Trebujena C-441 (km 5.5), Lebrija, 41740 Sevilla, Spain;
| | - Isaac Maestro-Gaitán
- Departamento de Biología, Campus de Cantoblanco, c/Darwin 2, Universidad Autónoma de Madrid, 28049 Madrid, Spain; (S.G.-R.); (I.M.-G.); (L.B.)
| | - Javier Matías
- Agrarian Research Institute “La Orden-Valdesequera” of Extremadura (CICYTEX), 06187 Badajoz, Spain; (J.M.); (V.C.)
| | - María José Rodríguez
- Technological Institute of Food and Agriculture of Extremadura (CICYTEX), 06007 Badajoz, Spain; (M.J.R.); (P.C.)
| | - Patricia Calvo
- Technological Institute of Food and Agriculture of Extremadura (CICYTEX), 06007 Badajoz, Spain; (M.J.R.); (P.C.)
| | - Verónica Cruz
- Agrarian Research Institute “La Orden-Valdesequera” of Extremadura (CICYTEX), 06187 Badajoz, Spain; (J.M.); (V.C.)
| | - Luis Bolaños
- Departamento de Biología, Campus de Cantoblanco, c/Darwin 2, Universidad Autónoma de Madrid, 28049 Madrid, Spain; (S.G.-R.); (I.M.-G.); (L.B.)
| | - María Reguera
- Departamento de Biología, Campus de Cantoblanco, c/Darwin 2, Universidad Autónoma de Madrid, 28049 Madrid, Spain; (S.G.-R.); (I.M.-G.); (L.B.)
- Correspondence: ; Tel.: +34-914978189
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13
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Rodríguez MJ, Corredera A, Martínez-Orgado J, Arruza L. Interference between cerebral NIRS and conjugated bilirubin in extremely low birth weight neonates. An Pediatr (Barc) 2021; 95:371-373. [PMID: 34602369 DOI: 10.1016/j.anpede.2020.12.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 12/29/2020] [Indexed: 11/28/2022] Open
Affiliation(s)
- María José Rodríguez
- Servicio de Neonatología. Instituto del Niño y del Adolescente. Hospital Clínico San Carlos, IdISSC, Madrid, Spain
| | - Araceli Corredera
- Servicio de Neonatología. Instituto del Niño y del Adolescente. Hospital Clínico San Carlos, IdISSC, Madrid, Spain
| | - José Martínez-Orgado
- Servicio de Neonatología. Instituto del Niño y del Adolescente. Hospital Clínico San Carlos, IdISSC, Madrid, Spain
| | - Luis Arruza
- Servicio de Neonatología. Instituto del Niño y del Adolescente. Hospital Clínico San Carlos, IdISSC, Madrid, Spain.
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14
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Acosta CO, Palacio RR, Borrego G, García R, Rodríguez MJ. Design guidelines and usability for cognitive stimulation through technology in Mexican older adults. Inform Health Soc Care 2021; 47:103-119. [PMID: 34157914 DOI: 10.1080/17538157.2021.1941973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
To develop software to stimulate cognitive functions of attention, memory, reasoning, planning, language, and perception in Mexican older adults, and to evaluate the usability of software based on system utility, information quality, and interface quality.For the development of the cognitive stimulation software, an inductive-deductive methodology was used in three stages: Analysis (system requirements), design and coding (cognitive stimulation software), evaluation (usability results).The usability of the software was assessed in 89 older adults between the ages of 60 and 84 years, through a usability questionnaire with evidence of reliability and validity.Eight exercises about attention, seven on memory, three on reasoning, one about planning and language, and two on perception were developed. We evaluated the usability of the developed software using the Computer System Usability Questionnaire, obtaining medium-high usability in 76.2% of the participants regarding the system utility, in 77.7% concerning the information quality and, in 84.2% in the interface quality.The software was developed considering aspects of usability and based on changes and losses associated with aging, as well as on the stimulation of cognitive functions related to instrumental activities of daily living, including exercises based on traditional pencil-paper exercises.
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Affiliation(s)
- Christian O Acosta
- Departamento De Psicología, Instituto Tecnológico De Sonora, Obregón, México
| | | | | | - Raquel García
- Departamento De Psicología, Instituto Tecnológico De Sonora, Obregón, México
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15
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Rodríguez MJ, Corredera A, Martínez-Orgado J, Arruza L. [Interference between cerebral NIRS and conjugated bilirubin in extremely low birthweight neonates]. An Pediatr (Barc) 2021; 95:S1695-4033(20)30540-3. [PMID: 33551292 DOI: 10.1016/j.anpedi.2020.12.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/23/2020] [Accepted: 12/29/2020] [Indexed: 11/26/2022] Open
Affiliation(s)
- María José Rodríguez
- Servicio de Neonatología. Instituto del Niño y del Adolescente. Hospital Clínico San Carlos, IdISSC, Madrid, España
| | - Araceli Corredera
- Servicio de Neonatología. Instituto del Niño y del Adolescente. Hospital Clínico San Carlos, IdISSC, Madrid, España
| | - José Martínez-Orgado
- Servicio de Neonatología. Instituto del Niño y del Adolescente. Hospital Clínico San Carlos, IdISSC, Madrid, España
| | - Luis Arruza
- Servicio de Neonatología. Instituto del Niño y del Adolescente. Hospital Clínico San Carlos, IdISSC, Madrid, España.
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16
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Fernández-García S, Orlandi JG, García-Díaz Barriga GA, Rodríguez MJ, Masana M, Soriano J, Alberch J. Deficits in coordinated neuronal activity and network topology are striatal hallmarks in Huntington's disease. BMC Biol 2020; 18:58. [PMID: 32466798 PMCID: PMC7254676 DOI: 10.1186/s12915-020-00794-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 05/12/2020] [Indexed: 12/31/2022] Open
Abstract
Background Network alterations underlying neurodegenerative diseases often precede symptoms and functional deficits. Thus, their early identification is central for improved prognosis. In Huntington’s disease (HD), the cortico-striatal networks, involved in motor function processing, are the most compromised neural substrate. However, whether the network alterations are intrinsic of the striatum or the cortex is not fully understood. Results In order to identify early HD neural deficits, we characterized neuronal ensemble calcium activity and network topology of HD striatal and cortical cultures. We used large-scale calcium imaging combined with activity-based network inference analysis. We extracted collective activity events and inferred the topology of the neuronal network in cortical and striatal primary cultures from wild-type and R6/1 mouse model of HD. Striatal, but not cortical, HD networks displayed lower activity and a lessened ability to integrate information. GABAA receptor blockade in healthy and HD striatal cultures generated similar coordinated ensemble activity and network topology, highlighting that the excitatory component of striatal system is spared in HD. Conversely, NMDA receptor activation increased individual neuronal activity while coordinated activity became highly variable and undefined. Interestingly, by boosting NMDA activity, we rectified striatal HD network alterations. Conclusions Overall, our integrative approach highlights striatal defective network integration capacity as a major contributor of basal ganglia dysfunction in HD and suggests that increased excitatory drive may serve as a potential intervention. In addition, our work provides a valuable tool to evaluate in vitro network recovery after treatment intervention in basal ganglia disorders.
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Affiliation(s)
- S Fernández-García
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031, Madrid, Spain
| | - J G Orlandi
- Complexity Science Group, Department of Physics and Astronomy, Faculty of Science, University of Calgary, Calgary, AB, T2N 1N4, Canada.,Departament de Física de la Matèria Condensada, Universitat de Barcelona, 08028, Barcelona, Spain
| | - G A García-Díaz Barriga
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031, Madrid, Spain
| | - M J Rodríguez
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031, Madrid, Spain
| | - M Masana
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031, Madrid, Spain
| | - J Soriano
- Departament de Física de la Matèria Condensada, Universitat de Barcelona, 08028, Barcelona, Spain.,Universitat de Barcelona Institute of Complex Systems (UBICS), 08028, Barcelona, Spain
| | - J Alberch
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Spain. .,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036, Barcelona, Spain. .,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031, Madrid, Spain. .,Production and Validation Center of Advanced Therapies (Creatio), Faculty of Medicine and Health Science, University of Barcelona, 08036, Barcelona, Spain.
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17
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Bello A, Rodríguez MJ. Imagenología en Coronavirus SARS-CoV-2. Medicina Clínica y Social 2020. [DOI: 10.52379/mcs.v3i3.110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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18
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Soto G, Rodríguez MJ, Fuentealba R, Treuer AV, Castillo I, González DR, Zúñiga-Hernández J. Maresin 1, a Proresolving Lipid Mediator, Ameliorates Liver Ischemia-Reperfusion Injury and Stimulates Hepatocyte Proliferation in Sprague-Dawley Rats. Int J Mol Sci 2020; 21:ijms21020540. [PMID: 31952110 PMCID: PMC7014175 DOI: 10.3390/ijms21020540] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 12/12/2019] [Accepted: 12/12/2019] [Indexed: 12/12/2022] Open
Abstract
Maresin-1 (MaR1) is a specialized pro-resolving mediator, derived from omega-3 fatty acids, whose functions are to decrease the pro-inflammatory and oxidative mediators, and also to stimulate cell division. We investigated the hepatoprotective actions of MaR1 in a rat model of liver ischemia-reperfusion (IR) injury. MaR1 (4 ng/gr body weight) was administered prior to ischemia (1 h) and reperfusion (3 h), and controls received isovolumetric vehicle solution. To analyze liver function, transaminases levels and tissue architecture were assayed, and serum cytokines TNF-α, IL-6, and IL-10, mitotic activity index, and differential levels of NF-κB and Nrf-2 transcription factors, were analyzed. Transaminase, TNF-α levels, and cytoarchitecture were normalized with the administration of MaR1 and associated with changes in NF-κB. IL-6, mitotic activity index, and nuclear translocation of Nrf-2 increased in the MaR1-IR group, which would be associated with hepatoprotection and cell proliferation. Taken together, these results suggest that MaR1 alleviated IR liver injury, facilitated by the activation of hepatocyte cell division, increased IL-6 cytokine levels, and the nuclear localization of Nrf-2, with a decrease of NF-κB activity. All of them were related to an improvement of liver injury parameters. These results open the possibility of MaR1 as a potential therapeutic tool in IR and other hepatic pathologies.
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Affiliation(s)
- Gonzalo Soto
- Escuela de Tecnología Medica, Facultad de Ciencias de la Salud, Universidad de Talca, Talca 3460000, Chile;
| | - María José Rodríguez
- Programa de Doctorado en Ciencias mención Investigación y Desarrollo de Productos Bioactivos, Instituto de Química de los Recursos Naturales, Universidad de Talca, Talca 3460000, Chile; (M.J.R.); (R.F.)
- Escuela de Medicina, Universidad de Talca, Talca 3460000, Chile
| | - Roberto Fuentealba
- Programa de Doctorado en Ciencias mención Investigación y Desarrollo de Productos Bioactivos, Instituto de Química de los Recursos Naturales, Universidad de Talca, Talca 3460000, Chile; (M.J.R.); (R.F.)
- Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Talca 3460000, Chile; (A.V.T.); (D.R.G.)
| | - Adriana V. Treuer
- Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Talca 3460000, Chile; (A.V.T.); (D.R.G.)
- Centro de Bioinformática, Simulación y Modelado, Facultad de Ingeniería, Universidad de Talca, Talca 3460000, Chile
| | - Iván Castillo
- Unidad de Anatomía Patológica, Hospital Regional de Talca, Talca 3460001, Chile;
- Centro Oncológico, Facultad de Medicina, Universidad Católica del Maule, Talca 3466706, Chile
| | - Daniel R. González
- Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Talca 3460000, Chile; (A.V.T.); (D.R.G.)
| | - Jessica Zúñiga-Hernández
- Escuela de Medicina, Universidad de Talca, Talca 3460000, Chile
- Correspondence: ; Tel.: +56-71-2201667
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Campo P, Eguiluz‐Gracia I, Plaza‐Serón MC, Salas M, José Rodríguez M, Pérez‐Sánchez N, González M, Molina A, Mayorga C, Torres MJ, Rondón C. Bronchial asthma triggered by house dust mites in patients with local allergic rhinitis. Allergy 2019; 74:1502-1510. [PMID: 30887534 DOI: 10.1111/all.13775] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 02/06/2019] [Accepted: 02/13/2019] [Indexed: 12/24/2022]
Abstract
BACKGROUND Over 30% of local allergic rhinitis (LAR) patients self-report bronchial symptoms suggestive of asthma, but the relationship between the allergen exposure and the bronchial symptoms has not been studied. OBJECTIVE To investigate whether a bronchial counterpart of LAR exists. METHODS Patients were classified by clinical history, skin prick test/serum specific IgE (sIgE), and nasal allergen provocation test (NAPT) into the LAR, allergic rhinitis (AR), and nonallergic rhinitis (NAR) phenotypes. Twenty-eight LAR, 18 AR, and 19 NAR patients self-reporting bronchial symptoms suggestive of asthma and 8 healthy controls (HC) were subjected to a methacholine test (MT) before (Visit 1) and 24 hours after (Visit 3) a bronchial provocation test with Dermatophagoides pteronyssinus (BPT-DP) (Visit 2). Induced sputum and peripheral blood obtained after each MT were analyzed for immune cell populations, tryptase, ECP, and sIgE. RESULTS A positive MT was found in 50% of LAR, 83.3% of AR, 57.89% of NAR, and 0% of HC individuals (P = 0.022 AR vs LAR) at V1. BPT-DP was positive in 8 LAR and 15 AR patients (28% vs 83.3%, P < 0.001), with no positive responses in NAR and HC. All BPT-DP+ patients experienced a significant decrease of PC20 at V3 vs V1 (P = 0.016 LAR, P ≤ 0.001 AR). BPT-DP+ patients also showed a significant increase of eosinophils, monocytes, and ECP in induced sputum at V3 compared with V1. CONCLUSION The results suggest the existence of a new asthma phenotype (local allergic asthma) defined by absence of systemic atopy and positivity to BPT with allergen.
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Affiliation(s)
- Paloma Campo
- Allergy Unit IBIMA‐Regional University Hospital of Málaga‐ARADyAL, UMA Málaga Spain
| | - Ibon Eguiluz‐Gracia
- Allergy Unit IBIMA‐Regional University Hospital of Málaga‐ARADyAL, UMA Málaga Spain
| | - María Carmen Plaza‐Serón
- Research Laboratory‐Allergy Unit IBIMA‐Regional University Hospital of Málaga‐ARADyAL, UMA Málaga Spain
| | - María Salas
- Allergy Unit IBIMA‐Regional University Hospital of Málaga‐ARADyAL, UMA Málaga Spain
| | - María José Rodríguez
- Research Laboratory‐Allergy Unit IBIMA‐Regional University Hospital of Málaga‐ARADyAL, UMA Málaga Spain
| | | | - Miguel González
- Research Laboratory‐Allergy Unit IBIMA‐Regional University Hospital of Málaga‐ARADyAL, UMA Málaga Spain
| | - Ana Molina
- Research Laboratory‐Allergy Unit IBIMA‐Regional University Hospital of Málaga‐ARADyAL, UMA Málaga Spain
| | - Cristobalina Mayorga
- Research Laboratory‐Allergy Unit IBIMA‐Regional University Hospital of Málaga‐ARADyAL, UMA Málaga Spain
| | - María José Torres
- Allergy Unit IBIMA‐Regional University Hospital of Málaga‐ARADyAL, UMA Málaga Spain
| | - Carmen Rondón
- Allergy Unit IBIMA‐Regional University Hospital of Málaga‐ARADyAL, UMA Málaga Spain
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20
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Pérez-Beteta J, Molina-García D, Villena M, Rodríguez MJ, Velásquez C, Martino J, Meléndez-Asensio B, Rodríguez de Lope Á, Morcillo R, Sepúlveda JM, Hernández-Laín A, Ramos A, Barcia JA, Lara PC, Albillo D, Revert A, Arana E, Pérez-García VM. Morphologic Features on MR Imaging Classify Multifocal Glioblastomas in Different Prognostic Groups. AJNR Am J Neuroradiol 2019; 40:634-640. [PMID: 30923085 DOI: 10.3174/ajnr.a6019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Accepted: 02/25/2019] [Indexed: 12/30/2022]
Abstract
BACKGROUND AND PURPOSE Multifocal glioblastomas (ie, glioblastomas with multiple foci, unconnected in postcontrast pretreatment T1-weighted images) represent a challenge in clinical practice due to their poor prognosis. We wished to obtain imaging biomarkers with prognostic value that have not been found previously. MATERIALS AND METHODS A retrospective review of 1155 patients with glioblastomas from 10 local institutions during 2006-2017 provided 97 patients satisfying the inclusion criteria of the study and classified as having multifocal glioblastomas. Tumors were segmented and morphologic features were computed using different methodologies: 1) measured on the largest focus, 2) aggregating the different foci as a whole, and 3) recording the extreme value obtained for each focus. Kaplan-Meier, Cox proportional hazards, correlations, and Harrell concordance indices (c-indices) were used for the statistical analysis. RESULTS Age (P < .001, hazard ratio = 2.11, c-index = 0.705), surgery (P < .001, hazard ratio = 2.04, c-index = 0.712), contrast-enhancing rim width (P < .001, hazard ratio = 2.15, c-index = 0.704), and surface regularity (P = .021, hazard ratio = 1.66, c-index = 0.639) measured on the largest focus were significant independent predictors of survival. Maximum contrast-enhancing rim width (P = .002, hazard ratio = 2.05, c-index = 0.668) and minimal surface regularity (P = .036, hazard ratio = 1.64, c-index = 0.600) were also significant. A multivariate model using age, surgery, and contrast-enhancing rim width measured on the largest foci classified multifocal glioblastomas into groups with different outcomes (P < .001, hazard ratio = 3.00, c-index = 0.853, median survival difference = 10.55 months). Moreover, quartiles with the highest and lowest individual prognostic scores based on the focus with the largest volume and surgery were identified as extreme groups in terms of survival (P < .001, hazard ratio = 18.67, c-index = 0.967). CONCLUSIONS A prognostic model incorporating imaging findings on pretreatment postcontrast T1-weighted MRI classified patients with glioblastoma into different prognostic groups.
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Affiliation(s)
- J Pérez-Beteta
- From the Department of Mathematics (J.P.-B., D.M.-G., V.M.P.-G.), Mathematical Oncology Laboratory, Universidad de Castilla-La Mancha, Ciudad Real, Spain
| | - D Molina-García
- From the Department of Mathematics (J.P.-B., D.M.-G., V.M.P.-G.), Mathematical Oncology Laboratory, Universidad de Castilla-La Mancha, Ciudad Real, Spain
| | | | - M J Rodríguez
- Radiology (M.J.R.), Hospital General de Ciudad Real, Ciudad Real, Spain
| | - C Velásquez
- Department of Neurosurgery (J.M., C.V.), Hospital Universitario Marqués de Valdecilla and Fundación, Instituto de Investigación Marqués de Valdecilla, Santander, Spain
| | - J Martino
- Department of Neurosurgery (J.M., C.V.), Hospital Universitario Marqués de Valdecilla and Fundación, Instituto de Investigación Marqués de Valdecilla, Santander, Spain
| | | | | | - R Morcillo
- Radiology (R.M.), Hospital Virgen de la Salud, Toledo, Spain
| | | | | | - A Ramos
- Radiology (A. Ramos), Hospital Universitario 12 de Octubre, Madrid, Spain
| | - J A Barcia
- Department of Neurosurgery (J.A.B.), Hospital Clínico San Carlos, Madrid, Spain
| | - P C Lara
- Department of Radiation Oncology (P.C.L.), San Roque University Hospital/Universidad Fernando Pessoa Canarias, Gran Canaria, Spain
| | - D Albillo
- Department of Radiology (D.A.), Hospital Universitario de Salamanca, Salamanca, Spain
| | - A Revert
- Department of Radiology (A. Revert), Hospital de Manises, Valencia, Spain
| | - E Arana
- Department of Radiology (E.A.), Fundación Instituto Valenciano de Oncología, Valencia, Spain
| | - V M Pérez-García
- From the Department of Mathematics (J.P.-B., D.M.-G., V.M.P.-G.), Mathematical Oncology Laboratory, Universidad de Castilla-La Mancha, Ciudad Real, Spain
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21
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Redondo H, Fragoso JS, Tahala MA, Bensassi Y, Gil I, Elbachir E, Rodríguez MJ, Abad Moreno JC. Characterization of strain of fowl adenoviruses circulating in Morocco. Poult Sci 2018; 97:4057-4062. [PMID: 29982730 DOI: 10.3382/ps/pey271] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Accepted: 06/07/2018] [Indexed: 11/20/2022] Open
Abstract
Infection of fowl with adenoviruses raises concerns for poultry production, thus making the detection of adenovirus infection crucial. Fowl adenovirus is the causal agent of inclusion body hepatitis (IBH) and other avian syndromes that affect the production; since the epidemiological point of view it is important to differentiate the serotype of the virus. Between September 2016 and February 2017 several cases of IBH in broiler flocks were reported in Morocco. Molecular detection of the fowl adenovirus and sequencing also allowed determining the strain of the virus. The strain detected was identified as fowl adenovirus closely related to serotype 11 and 8a based on nucleotide sequence analyses of hexon gene loop 1. This is the first time that FadV has been detected in Morocco.
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Affiliation(s)
- Helena Redondo
- Inmunología y Genética Aplicada, S.A. (INGENASA), 28037 Madrid, Spain
| | | | - Mohamed Ait Tahala
- Cabinet veterinaire Al Houria, Boulevard de la liberté, 83350 Agadir, Morocco
| | - Younous Bensassi
- MSD Animal Health, Boulevard Zerektouni, 20601 Casablanca, Morocco
| | - Irene Gil
- Inmunología y Genética Aplicada, S.A. (INGENASA), 28037 Madrid, Spain
| | - Erraji Elbachir
- Cabinet veterinaire Tiznit, Boulevard Mohammed Elfhadi, 85000 Tiznit, Morocco
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22
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Redondo H, Fragoso JS, Tahala MA, Bensassi Y, Gil I, Elbachir E, Rodríguez MJ, Moreno JCA. Erratum to "Characterization of strain of fowl adenoviruses circulating in Morocco". Poult Sci 2018; 97:3764. [PMID: 30016478 DOI: 10.3382/ps/pey338] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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23
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Villanueva L, Silva L, Llopiz D, Ruiz M, Iglesias T, Lozano T, Casares N, Hervas-Stubbs S, Rodríguez MJ, Carrascosa JL, Lasarte JJ, Sarobe P. The Toll like receptor 4 ligand cold-inducible RNA-binding protein as vaccination platform against cancer. Oncoimmunology 2017; 7:e1409321. [PMID: 29632721 DOI: 10.1080/2162402x.2017.1409321] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 11/20/2017] [Accepted: 11/20/2017] [Indexed: 12/11/2022] Open
Abstract
Tumor infiltrating lymphocytes have been associated with a better prognostic and with higher response rates in patients treated with checkpoint inhibiting antibodies, suggesting that strategies promoting tumor inflammation may enhance the efficacy of these currently available therapies. Our aim was thus to develop a new vaccination platform based on cold-inducible RNA binding protein (CIRP), an endogenous TLR4 ligand generated during inflammatory processes, and characterize whether it was amenable to combination with checkpoint inhibitors. In vitro, CIRP induced dendritic cell activation, migration and enhanced presentation of CIRP-bound antigens to T-cells. Accordingly, antigen conjugation to CIRP conferred immunogenicity, dependent on immunostimulatory and antigen-targeting capacities of CIRP. When applied in a therapeutic setting, vaccination led to CD8-dependent tumor rejection in several tumor models. Moreover, immunogenicity of this vaccination platform was enhanced not only by combination with additional adjuvants, but also with antibodies blocking PD-1/PD-L1, CTLA-4 and IL-10, immunosuppressive molecules usually present in the tumor environment and also induced by the vaccine. Therefore, priming with a CIRP-based vaccine combined with immune checkpoint-inhibiting antibodies rejected established B16-OVA tumors. Finally, equivalent activation and T-cell stimulatory effects were observed when using CIRP in vitro with human cells, suggesting that CIRP-based vaccination strategies could be a valuable clinical tool to include in combinatorial immunotherapeutic strategies in cancer patients.
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Affiliation(s)
- Lorea Villanueva
- Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Leyre Silva
- Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Diana Llopiz
- Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Marta Ruiz
- Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Tamara Iglesias
- Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Teresa Lozano
- Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Noelia Casares
- Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Sandra Hervas-Stubbs
- Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - María José Rodríguez
- Centro Nacional de Biotecnología (CNB-CSIC), Departamento de Estructura de Macromoléculas, Madrid, Spain
| | - José L Carrascosa
- Centro Nacional de Biotecnología (CNB-CSIC), Departamento de Estructura de Macromoléculas, Madrid, Spain
| | - Juan José Lasarte
- Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Pablo Sarobe
- Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
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24
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Aguilera A, Navarro D, Rodríguez-Frias F, Viciana I, Martínez-Sapiña AM, Rodríguez MJ, Martró E, Lozano MC, Coletta E, Cardeñoso L, Suárez A, Trigo M, Rodríguez-Granjer J, Montiel N, de la Iglesia A, Alados JC, Vegas C, Bernal S, Fernández-Cuenca F, Pena MJ, Reina G, García-Bujalance S, Echevarria MJ, Benítez L, Pérez-Castro S, Ocete D, García-Arata I, Guerrero C, Rodríguez-Iglesias M, Casas P, García F. Prevalence and distribution of hepatitis C virus genotypes in Spain during the 2000-2015 period (the GEHEP 005 study). J Viral Hepat 2017; 24:725-732. [PMID: 28248445 DOI: 10.1111/jvh.12700] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 02/09/2017] [Indexed: 12/11/2022]
Abstract
We report the largest study on the prevalence and distribution of HCV genotypes in Spain (2000-2015), and we relate them with clinical, epidemiological and virological factors. Patients from 29 hospitals in 10 autonomous communities (Andalusia, Aragon, Castilla-Leon, Catalonia, Galicia, Canary Islands, Madrid Community, Valencian Community, Murcia Region and Basque Country) have been studied. Annual distribution of HCV genotypes and subtypes, as well as gender, age, transmission route, HIV and/or HBV coinfection, and treatment details were recorded. We included 48595 chronically HCV-infected patients with the following characteristics: median age 51 years (IQR, 44-58), 67.9% male, 19.1% HIV-coinfected, 23.5% HBV-coinfected. Parenteral transmission route was the most frequent (58.7%). Genotype distribution was 66.9% GT1 (24.9% subtype 1a and 37.9% subtype 1b), 2.8% GT2, 17.3% GT3, 11.4% GT4 and 0.1% GT5 and 0.02% GT6. LiPA was the most widely HCV genotyping test used (52.4%). HCV subtype 1a and genotypes 3 and 4 were closely associated with male gender, parenteral route of infection and HIV and HBV coinfection; in contrast, subtype 1b and genotype 2 were associated with female gender, nonparenteral route and mono-infection. Age was related to genotype distribution, and different patterns of distribution and biodiversity index were observed between different geographical areas. Finally, we describe how treatment and changes in transmission routes may have affected HCV genotype prevalence and distribution patterns. We present the most recent data on molecular epidemiology of hepatitis C virus in Spain. This study confirms that genotype distributions vary with age, sex, HIV and HBV coinfection and within geographical areas and epidemiological groups.
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Affiliation(s)
- A Aguilera
- Complexo Hospitalario Universitario de Santiago de Compostela, A Coruña, Spain
| | - D Navarro
- Complexo Hospitalario Universitario de Santiago de Compostela, A Coruña, Spain
| | | | - I Viciana
- Hospital Clínico Universitario Virgen de la Victoria, Malaga, Spain
| | | | | | - E Martró
- Hospital Universitari Germans Trías i Pujol, Badalona, CIBER en Epidemiología y Salud Pública, Barcelona, Spain
| | - M C Lozano
- Hospital Universitario Virgen del Rocio, Sevilla, Spain
| | - E Coletta
- Hospital Clínico Universitario Valladolid, Valladolid, Spain
| | - L Cardeñoso
- Hospital Universitario de la Princesa, Madrid, Spain
| | - A Suárez
- Hospital Clínico San Carlos, Madrid, Spain
| | - M Trigo
- Complexo Hospitalario de Pontevedra, Pontevedra, Spain
| | | | - N Montiel
- Hospital Costa del Sol, Marbella, Spain
| | - A de la Iglesia
- Complejo Hospitalario Universitario de Huelva, Huelva, Spain
| | - J C Alados
- Hospital del SAS de Jerez de la Frontera, Sevilla, Spain
| | - C Vegas
- Fundación Jiménez Díaz, Madrid, Spain
| | - S Bernal
- Hospital Universitario Virgen de Valme, Sevilla, Spain
| | | | - M J Pena
- Hospital Doctor Negrín, Las Palmas de Gran Canaria, Las Palmas, Spain
| | - G Reina
- Clínica Universitaria de Navarra, Pamplona, Spain
| | | | | | - L Benítez
- Hospital Universitario Puerta de Hierro, Majadahonda, Spain
| | | | - D Ocete
- Consorcio Hospital General Universitario de Valencia, Valencia, Spain
| | - I García-Arata
- Hospital Universitario de Fuenlabrada, Fuenlabrada, Spain
| | - C Guerrero
- Hospital General Universitario Morales Meseguer, Murcia, Spain
| | | | - P Casas
- Hospital Universitario San Cecilio, Instituto de Investigación Ibs-Granada, Granada, Spain
| | - F García
- Hospital Universitario San Cecilio, Instituto de Investigación Ibs-Granada, Granada, Spain
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25
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Lorente AMR, Moreno-Cid M, Rodríguez MJ, Bueno G, Tenías JM, Román C, Arias Á, Pascual A. Meta-analysis of validity of echogenic intracardiac foci for calculating the risk of Down syndrome in the second trimester of pregnancy. Taiwan J Obstet Gynecol 2017; 56:16-22. [PMID: 28254219 DOI: 10.1016/j.tjog.2016.11.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/03/2016] [Indexed: 10/20/2022] Open
Abstract
Echogenic intracardiac foci are a second trimester marker associated with aneuploidy in high-risk populations. The objective of this study is to assess the validity of echogenic intracardiac foci for Down syndrome detection in the second trimester ultrasound scan. A systematic search in major bibliographic databases was carried out (MEDLINE, EMBASE, CINAHL). Twenty-five studies about echogenic intracardiac foci were selected for statistical synthesis in this systematic review. Those 25 considered to be relevant were then subjected to critical reading, following the Critical Appraisal Skills Programme criteria, by at least three independent observers. Then, the published articles were subjected to a meta-analysis. A global sensitivity of 21.8% and a 4.1% false positive rate were obtained. The positive likelihood ratio was 5.08 (95% confidence interval, 4.04-6.41). The subgroups analysis did not reveal statistically significant differences. In conclusion, echogenic intracardiac foci as an isolated marker could be a tool to identify-rather than exclude-the high-risk group of Down syndrome, although it should be noted that it shows low sensitivity.
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Affiliation(s)
- Ana María Rubio Lorente
- Obstetrics and Gynaecology Department, Hospital La Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain.
| | - María Moreno-Cid
- Obstetrics and Gynaecology Department, Hospital La Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - María José Rodríguez
- Obstetrics and Gynaecology Department, Hospital La Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - Gema Bueno
- Obstetrics and Gynaecology Department, Hospital La Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - José María Tenías
- Research Support Unit, Hospital La Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - Carmen Román
- Research Support Unit, Hospital La Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - Ángel Arias
- Research Support Unit, Hospital La Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - Ana Pascual
- Obstetrics and Gynaecology Department, Hospital La Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
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26
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Campo P, Villalba M, Barrionuevo E, Rondón C, Salas M, Galindo L, Rodríguez MJ, López-Rodríguez JC, Prieto-Del Prado MA, Torres MJ, Blanca M, Mayorga C. Immunologic responses to the major allergen of Olea europaea in local and systemic allergic rhinitis subjects. Clin Exp Allergy 2016. [PMID: 26221871 DOI: 10.1111/cea.12600] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE To evaluate the in vivo and in vitro responses to nOle e 1 in allergic rhinitis (AR) and local allergic rhinitis (LAR) patients sensitized to olive tree pollen (OL) confirmed by nasal allergen provocation test (NAPT). METHODS Twelve subjects with AR, 12 with LAR and 12 subjects as control group (CG) were selected. Skin testing and NAPT with nOle e 1 were performed. Eosinophilic cationic protein (ECP) and tryptase were measured in nasal lavages before and after NAPT. Serum IgE to OL allergens was measured by ELISA. Basophil activation tests (BAT) with OL and nOle e 1 and dendritic cell maturation/proliferation studies were carried out. RESULTS All AR (12/12) and 10/12 (83%) of LAR had a +NAPT to nOle e 1. ECP levels in nasal lavages were significantly increased after NAPT in both AR and LAR compared with CG at 15 min (P < 0.05). Serum IgE was positive only in AR. All AR had +BAT responses to OL and 10/12 to nOle e 1 (83%); 8/12 LAR (66.6%) had a +BAT to OL and 4/12 (33%) to nOle e 1, with only one subject of the CG with a +BAT to both OL and nOle e 1 (8%). Dendritic cell proliferation to nOle e 1 was increased in AR compared to LAR and CG (P = 0.019 and P = 0.001, respectively). CONCLUSION Both AR and LAR had a similar in vivo response to nOle e 1 with release of inflammatory mediators. Specific basophil activation with OL and nOle e 1 was observed in LAR confirming previous data obtained with dust mites.
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Affiliation(s)
- P Campo
- U.G.C. Allergy, IBIMA, Regional University Hospital of Málaga, UMA, Málaga, Spain
| | - M Villalba
- Department of Biochemistry and Molecular Biology, Faculty of Chemistry, Complutense University of Madrid, Madrid, Spain
| | - E Barrionuevo
- U.G.C. Allergy, IBIMA, Regional University Hospital of Málaga, UMA, Málaga, Spain
| | - C Rondón
- U.G.C. Allergy, IBIMA, Regional University Hospital of Málaga, UMA, Málaga, Spain
| | - M Salas
- U.G.C. Allergy, IBIMA, Regional University Hospital of Málaga, UMA, Málaga, Spain
| | - L Galindo
- U.G.C. Allergy, IBIMA, Regional University Hospital of Málaga, UMA, Málaga, Spain
| | - M J Rodríguez
- Allergy Research Laboratory, IBIMA, Regional University Hospital of Málaga, UMA, Málaga, Spain
| | - J C López-Rodríguez
- Department of Biochemistry and Molecular Biology, Faculty of Chemistry, Complutense University of Madrid, Madrid, Spain
| | - M A Prieto-Del Prado
- U.G.C. Allergy, IBIMA, Regional University Hospital of Málaga, UMA, Málaga, Spain
| | - M J Torres
- U.G.C. Allergy, IBIMA, Regional University Hospital of Málaga, UMA, Málaga, Spain
| | - M Blanca
- U.G.C. Allergy, IBIMA, Regional University Hospital of Málaga, UMA, Málaga, Spain
| | - C Mayorga
- U.G.C. Allergy, IBIMA, Regional University Hospital of Málaga, UMA, Málaga, Spain.,Allergy Research Laboratory, IBIMA, Regional University Hospital of Málaga, UMA, Málaga, Spain
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27
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Martínez-Moreno M, Batlle M, Ortega FJ, Gimeno-Bayón J, Andrade C, Mahy N, Rodríguez MJ. Diazoxide enhances excitotoxicity-induced neurogenesis and attenuates neurodegeneration in the rat non-neurogenic hippocampus. Neuroscience 2016; 333:229-43. [PMID: 27471195 DOI: 10.1016/j.neuroscience.2016.07.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 07/18/2016] [Accepted: 07/19/2016] [Indexed: 12/13/2022]
Abstract
Diazoxide, a well-known mitochondrial KATP channel opener with neuroprotective effects, has been proposed for the effective and safe treatment of neuroinflammation. To test whether diazoxide affects the neurogenesis associated with excitotoxicity in brain injury, we induced lesions by injecting excitotoxic N-methyl-d-aspartate (NMDA) into the rat hippocampus and analyzed the effects of a daily oral administration of diazoxide on the induced lesion. Specific glial and neuronal staining showed that NMDA elicited a strong glial reaction associated with progressive neuronal loss in the whole hippocampal formation. Doublecortin immunohistochemistry and bromo-deoxyuridine (BrdU)-NeuN double immunohistochemistry revealed that NMDA also induced cell proliferation and neurogenesis in the lesioned non-neurogenic hippocampus. Furthermore, glial fibrillary acidic protein (GFAP)-positive cells in the injured hippocampus expressed transcription factor Sp8 indicating that the excitotoxic lesion elicited the migration of progenitors from the subventricular zone and/or the reprograming of reactive astrocytes. Diazoxide treatment attenuated the NMDA-induced hippocampal injury in rats, as demonstrated by decreases in the size of the lesion, neuronal loss and microglial reaction. Diazoxide also increased the number of BrdU/NeuN double-stained cells and elevated the number of Sp8-positive cells in the lesioned hippocampus. These results indicate a role for KATP channel activation in regulating excitotoxicity-induced neurogenesis in brain injury.
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Affiliation(s)
- M Martínez-Moreno
- Departament de Biomedicina, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona and Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - M Batlle
- Departament de Biomedicina, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona and Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - F J Ortega
- Departament de Biomedicina, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona and Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - J Gimeno-Bayón
- Departament de Biomedicina, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona and Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - C Andrade
- Departament de Biomedicina, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona and Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - N Mahy
- Departament de Biomedicina, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona and Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - M J Rodríguez
- Departament de Biomedicina, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona and Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain.
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28
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Eck M, Durán MG, Ricklin ME, Locher S, Sarraseca J, Rodríguez MJ, McCullough KC, Summerfield A, Zimmer G, Ruggli N. Virus replicon particles expressing porcine reproductive and respiratory syndrome virus proteins elicit immune priming but do not confer protection from viremia in pigs. Vet Res 2016; 47:33. [PMID: 26895704 PMCID: PMC4761149 DOI: 10.1186/s13567-016-0318-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Accepted: 01/29/2016] [Indexed: 01/17/2023] Open
Abstract
Porcine reproductive and respiratory syndrome virus (PRRSV) is the causative agent of one of the most devastating and economically significant viral disease of pigs worldwide. The vaccines currently available on the market elicit only limited protection. Recombinant vesicular stomatitis virus (VSV) replicon particles (VRP) have been used successfully to induce protection against influenza A virus (IAV) in chickens and bluetongue virus in sheep. In this study, VSV VRP expressing the PRRSV envelope proteins GP5, M, GP4, GP3, GP2 and the nucleocapsid protein N, individually or in combination, were generated and evaluated as a potential vector vaccine against PRRSV infection. High level expression of the recombinant PRRSV proteins was demonstrated in cell culture. However, none of the PRRSV antigens expressed from VRP, with the exception of the N protein, did induce any detectable antibody response in pigs before challenge infection with PRRSV. After challenge however, the antibody responses against GP5, GP4 and GP3 appeared in average 2 weeks earlier than in pigs vaccinated with the empty control VRP. No reduction of viremia was observed in the vaccinated group compared with the control group. When pigs were co-vaccinated with VRP expressing IAV antigens and VRP expressing PRRSV glycoproteins, only antibody responses to the IAV antigens were detectable. These data show that the VSV replicon vector can induce immune responses to heterologous proteins in pigs, but that the PRRSV envelope proteins expressed from VSV VRP are poorly immunogenic. Nevertheless, they prime the immune system for significantly earlier B-cell responses following PRRSV challenge infection.
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Affiliation(s)
- Melanie Eck
- Institute of Virology and Immunology IVI, Sensemattstrasse 293, 3147, Mittelhäusern, Switzerland. .,Graduate School for Cellular and Biomedical Sciences, University of Bern, 3012, Bern, Switzerland.
| | - Margarita García Durán
- Inmunología y Genética aplicada, S.A. (INGENASA), Calle de Los Hermanos García Noblejas 39, 28037, Madrid, Spain.
| | - Meret E Ricklin
- Institute of Virology and Immunology IVI, Sensemattstrasse 293, 3147, Mittelhäusern, Switzerland.
| | - Samira Locher
- Institute of Virology and Immunology IVI, Sensemattstrasse 293, 3147, Mittelhäusern, Switzerland.
| | - Javier Sarraseca
- Inmunología y Genética aplicada, S.A. (INGENASA), Calle de Los Hermanos García Noblejas 39, 28037, Madrid, Spain.
| | - María José Rodríguez
- Inmunología y Genética aplicada, S.A. (INGENASA), Calle de Los Hermanos García Noblejas 39, 28037, Madrid, Spain.
| | - Kenneth C McCullough
- Institute of Virology and Immunology IVI, Sensemattstrasse 293, 3147, Mittelhäusern, Switzerland.
| | - Artur Summerfield
- Institute of Virology and Immunology IVI, Sensemattstrasse 293, 3147, Mittelhäusern, Switzerland. .,Department of Infectious Disease and Pathobiology, Vetsuisse Faculty, University of Bern, Länggassstrasse 122, 3001, Bern, Switzerland.
| | - Gert Zimmer
- Institute of Virology and Immunology IVI, Sensemattstrasse 293, 3147, Mittelhäusern, Switzerland.
| | - Nicolas Ruggli
- Institute of Virology and Immunology IVI, Sensemattstrasse 293, 3147, Mittelhäusern, Switzerland.
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29
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Gámez F, Rodríguez MJ, Tenías JM, García J, Pintado P, Martín R, Pérez R, Ortiz-Quintana L, De León-Luis J. Reference ranges for the pulsatility index of the fetal aortic isthmus in singleton and twin pregnancies. J Ultrasound Med 2015; 34:577-584. [PMID: 25792572 DOI: 10.7863/ultra.34.4.577] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVES The purpose of this study was to estimate reference ranges for the pulsatility index (PI) of the fetal aortic isthmus in uncomplicated singleton and twin pregnancies during the second half of pregnancy. METHODS We conducted a cross-sectional observational study involving 543 healthy fetuses: 361 singleton pregnancies and 182 twin pregnancies between 19 and 36 weeks' gestation. The aortic isthmus PI was measured in 2 sonographic planes: the longitudinal aortic arch view and the 3-vessel and trachea view. We evaluated the reproducibility of aortic isthmus PI measurements between these planes by calculating intraclass correlation coefficients and limits of agreement. Scans were performed by 2 physicians, and intraobserver agreement was also measured. Regression analysis was used to estimate gestational age reference values for the aortic isthmus PI. RESULTS The aortic isthmus PI was significantly correlated with gestational age in singletons and twins during the second half of pregnancy (P < .01). We did not find significant differences between reference ranges in singletons and twins or between the sonographic views. CONCLUSIONS This study offers reference ranges for the aortic isthmus PI during the second half of gestation in singleton and twin pregnancies. Mean aortic isthmus PI values were similar in both types of gestations as well as both sonographic views. The aortic isthmus PI may be reliably obtained from either sonographic view.
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Affiliation(s)
- Francisco Gámez
- Department of Obstetrics and Gynecology, Hospital General Universitario Gregorio Marañón, Universidad Complutense de Madrid, Madrid, Spain (F.G., P.P., R.M., R.P., L.O.-Q., J.D.L.-L.); and Department of Obstetrics and Gynecology (M.J.R., J.G.) and Research Support Unit (J.M.T.), Hospital la Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - María José Rodríguez
- Department of Obstetrics and Gynecology, Hospital General Universitario Gregorio Marañón, Universidad Complutense de Madrid, Madrid, Spain (F.G., P.P., R.M., R.P., L.O.-Q., J.D.L.-L.); and Department of Obstetrics and Gynecology (M.J.R., J.G.) and Research Support Unit (J.M.T.), Hospital la Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - José María Tenías
- Department of Obstetrics and Gynecology, Hospital General Universitario Gregorio Marañón, Universidad Complutense de Madrid, Madrid, Spain (F.G., P.P., R.M., R.P., L.O.-Q., J.D.L.-L.); and Department of Obstetrics and Gynecology (M.J.R., J.G.) and Research Support Unit (J.M.T.), Hospital la Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - Javier García
- Department of Obstetrics and Gynecology, Hospital General Universitario Gregorio Marañón, Universidad Complutense de Madrid, Madrid, Spain (F.G., P.P., R.M., R.P., L.O.-Q., J.D.L.-L.); and Department of Obstetrics and Gynecology (M.J.R., J.G.) and Research Support Unit (J.M.T.), Hospital la Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - Pilar Pintado
- Department of Obstetrics and Gynecology, Hospital General Universitario Gregorio Marañón, Universidad Complutense de Madrid, Madrid, Spain (F.G., P.P., R.M., R.P., L.O.-Q., J.D.L.-L.); and Department of Obstetrics and Gynecology (M.J.R., J.G.) and Research Support Unit (J.M.T.), Hospital la Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - Raquel Martín
- Department of Obstetrics and Gynecology, Hospital General Universitario Gregorio Marañón, Universidad Complutense de Madrid, Madrid, Spain (F.G., P.P., R.M., R.P., L.O.-Q., J.D.L.-L.); and Department of Obstetrics and Gynecology (M.J.R., J.G.) and Research Support Unit (J.M.T.), Hospital la Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - Ricardo Pérez
- Department of Obstetrics and Gynecology, Hospital General Universitario Gregorio Marañón, Universidad Complutense de Madrid, Madrid, Spain (F.G., P.P., R.M., R.P., L.O.-Q., J.D.L.-L.); and Department of Obstetrics and Gynecology (M.J.R., J.G.) and Research Support Unit (J.M.T.), Hospital la Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - Luis Ortiz-Quintana
- Department of Obstetrics and Gynecology, Hospital General Universitario Gregorio Marañón, Universidad Complutense de Madrid, Madrid, Spain (F.G., P.P., R.M., R.P., L.O.-Q., J.D.L.-L.); and Department of Obstetrics and Gynecology (M.J.R., J.G.) and Research Support Unit (J.M.T.), Hospital la Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain
| | - Juan De León-Luis
- Department of Obstetrics and Gynecology, Hospital General Universitario Gregorio Marañón, Universidad Complutense de Madrid, Madrid, Spain (F.G., P.P., R.M., R.P., L.O.-Q., J.D.L.-L.); and Department of Obstetrics and Gynecology (M.J.R., J.G.) and Research Support Unit (J.M.T.), Hospital la Mancha Centro, Alcázar de San Juan, Ciudad Real, Spain.
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Cornago I, Dominguez S, Ezquer M, Rodríguez MJ, Lagunas AR, Pérez-Conde J, Rodriguez R, Bravo J. Periodic nanostructures on unpolished substrates and their integration in solar cells. Nanotechnology 2015; 26:095301. [PMID: 25665632 DOI: 10.1088/0957-4484/26/9/095301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We present a novel fabrication process based on laser interference lithography, lift-off and reactive ion etching, which allows us to fabricate periodic nanostructures on photovoltaic substrates with an average root mean square (RMS) roughness of 750 nm. We fabricate nanostructures on unpolished crystalline silicon substrates, which reduces their reflectance 30% as fabricated. When an additional passivation layer is deposited, the light trapping grows, achieving a reflectance reduction of 60%. In addition, we have successfully integrated the nanostructured substrates in silicon wafer-based solar cells following standard processes, achieving a final efficiency of 15.56%.
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Affiliation(s)
- I Cornago
- CEMITEC, Poligono Mocholi Plaza Cein 4, Noain, 31110, Spain
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Calero M, Chiappi M, Lazaro-Carrillo A, Rodríguez MJ, Chichón FJ, Crosbie-Staunton K, Prina-Mello A, Volkov Y, Villanueva A, Carrascosa JL. Characterization of interaction of magnetic nanoparticles with breast cancer cells. J Nanobiotechnology 2015; 13:16. [PMID: 25880445 PMCID: PMC4403785 DOI: 10.1186/s12951-015-0073-9] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Accepted: 01/28/2015] [Indexed: 01/02/2023] Open
Abstract
Background Different superparamagnetic iron oxide nanoparticles have been tested for their potential use in cancer treatment, as they enter into cells with high effectiveness, do not induce cytotoxicity, and are retained for relatively long periods of time inside the cells. We have analyzed the interaction, internalization and biocompatibility of dimercaptosuccinic acid-coated superparamagnetic iron oxide nanoparticles with an average diameter of 15 nm and negative surface charge in MCF-7 breast cancer cells. Results Cells were incubated with dimercaptosuccinic acid-coated superparamagnetic iron oxide nanoparticles for different time intervals, ranging from 0.5 to 72 h. These nanoparticles showed efficient internalization and relatively slow clearance. Time-dependent uptake studies demonstrated the maximum accumulation of dimercaptosuccinic acid-coated superparamagnetic iron oxide nanoparticles after 24 h of incubation, and afterwards they were slowly removed from cells. Superparamagnetic iron oxide nanoparticles were internalized by energy dependent endocytosis and localized in endosomes. Transmission electron microscopy studies showed macropinocytosis uptake and clathrin-mediated internalization depending on the nanoparticles aggregate size. MCF-7 cells accumulated these nanoparticles without any significant effect on cell morphology, cytoskeleton organization, cell cycle distribution, reactive oxygen species generation and cell viability, showing a similar behavior to untreated control cells. Conclusions All these findings indicate that dimercaptosuccinic acid-coated superparamagnetic iron oxide nanoparticles have excellent properties in terms of efficiency and biocompatibility for application to target breast cancer cells. Electronic supplementary material The online version of this article (doi:10.1186/s12951-015-0073-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Macarena Calero
- Departamento de Biología, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain. .,Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Cantoblanco, 28049, Madrid, Spain.
| | - Michele Chiappi
- Department of Macromolecular Structure, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049, Madrid, Spain.
| | - Ana Lazaro-Carrillo
- Departamento de Biología, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain. .,Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Cantoblanco, 28049, Madrid, Spain.
| | - María José Rodríguez
- Department of Macromolecular Structure, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049, Madrid, Spain.
| | - Francisco Javier Chichón
- Department of Macromolecular Structure, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049, Madrid, Spain.
| | - Kieran Crosbie-Staunton
- Department of Clinical Medicine, Trinity Centre for Health Science, James's Street, Dublin, 8, Ireland.
| | - Adriele Prina-Mello
- Department of Clinical Medicine, Trinity Centre for Health Science, James's Street, Dublin, 8, Ireland. .,Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), and AMBER Centre, Trinity College Dublin, College Green, Dublin, 2, Ireland.
| | - Yuri Volkov
- Department of Clinical Medicine, Trinity Centre for Health Science, James's Street, Dublin, 8, Ireland. .,Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), and AMBER Centre, Trinity College Dublin, College Green, Dublin, 2, Ireland.
| | - Angeles Villanueva
- Departamento de Biología, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain. .,Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Cantoblanco, 28049, Madrid, Spain.
| | - José L Carrascosa
- Department of Macromolecular Structure, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049, Madrid, Spain. .,Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Cantoblanco, 28049, Madrid, Spain.
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Salar A, Domingo-Domenech E, Panizo C, Nicolás C, Bargay J, Muntañola A, Canales M, Bello JL, Sancho JM, Tomás JF, Rodríguez MJ, Peñalver FJ, Grande C, Sánchez-Blanco JJ, Palomera L, Arranz R, Conde E, García M, García JF, Caballero D, Montalbán C. First-line response-adapted treatment with the combination of bendamustine and rituximab in patients with mucosa-associated lymphoid tissue lymphoma (MALT2008-01): a multicentre, single-arm, phase 2 trial. The Lancet Haematology 2014; 1:e104-11. [DOI: 10.1016/s2352-3026(14)00021-0] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2014] [Accepted: 10/27/2014] [Indexed: 12/14/2022]
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Virgili N, Mancera P, Chanvillard C, Wegner A, Wappenhans B, Rodríguez MJ, Infante-Duarte C, Espinosa-Parrilla JF, Pugliese M. Diazoxide attenuates autoimmune encephalomyelitis and modulates lymphocyte proliferation and dendritic cell functionality. J Neuroimmune Pharmacol 2014; 9:558-68. [PMID: 24939091 DOI: 10.1007/s11481-014-9551-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Accepted: 06/09/2014] [Indexed: 12/14/2022]
Abstract
Activation of mitochondrial ATP-sensitive potassium (KATP) channels is postulated as an effective mechanism to confer cardio and neuroprotection, especially in situations associated to oxidative stress. Pharmacological activation of these channels inhibits glia-mediated neuroinflammation. In this way, diazoxide, an old-known mitochondrial KATP channel opener, has been proposed as an effective and safe treatment for different neurodegenerative diseases, demonstrating efficacy in different animal models, including the experimental autoimmune encephalomyelitis (EAE), an animal model for Multiple Sclerosis. Although neuroprotection and modulation of glial reactivity could alone explain the positive effects of diazoxide administration in EAE mice, little is known of its effects on the immune system and the autoimmune reaction that triggers the EAE pathology. The aim of the present work was to study the effects of diazoxide in autoimmune key processes related with EAE, such as antigen presentation and lymphocyte activation and proliferation. Results show that, although diazoxide treatment inhibited in vitro and ex-vivo lymphocyte proliferation from whole splenocytes it had no effect in isolated CD4(+) T cells. In any case, treatment had no impact in lymphocyte activation. Diazoxide can also slightly decrease CD83, CD80, CD86 and major histocompatibility complex class II expression in cultured dendritic cells, demonstrating a possible role in modulating antigen presentation. Taken together, our results indicate that diazoxide treatment attenuates autoimmune encephalomyelitis pathology without immunosuppressive effect.
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Affiliation(s)
- N Virgili
- Neurotec Pharma S.L., Bioincubadora PCB-Santander, Parc Científic de Barcelona, Barcelona, Spain
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Moreno-Cid M, Rubio-Lorente A, Rodríguez MJ, Bueno-Pacheco G, Tenías JM, Román-Ortiz C, Arias Á. Systematic review and meta-analysis of performance of second-trimester nasal bone assessment in detection of fetuses with Down syndrome. Ultrasound Obstet Gynecol 2014; 43:247-253. [PMID: 24151178 DOI: 10.1002/uog.13228] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2013] [Revised: 10/03/2013] [Accepted: 10/15/2013] [Indexed: 06/02/2023]
Abstract
OBJECTIVE To review systematically the literature on diagnostic tests and performance of second-trimester sonographic assessment of nasal bone (NB) in identifying fetuses affected by Down syndrome. METHODS A search of studies involving screening tests for NB evaluation and measurements was carried out in the main international bibliographic databases (MEDLINE, EMBASE and CINAHL). Those considered to be relevant were then subjected to critical reading, following Critical Appraisal Skills Programme (CASP) criteria, by at least three independent observers. All data were extracted and tabulated by two independent investigators. A statistical synthesis of sensitivity, specificity and likelihood ratios was performed using specific software (Meta-DiSc). RESULTS From an initial list of 852 articles referring to ultrasound markers for Down syndrome, 207 relevant papers were selected. Following exclusions, 21 studies were included in the quantitative synthesis. The pooled estimates of positive and negative likelihood ratios were 40.08 (95% CI, 18.10-88.76) and 0.71 (95% CI, 0.64-0.79), respectively, for absent NB and 15.15 (95% CI, 8.15-28.16) and 0.47 (95% CI, 0.34-0.64), respectively, for hypoplastic NB. No relevant differences were found between the various means of defining nasal hypoplasia (multiples of the median (MoM) or percentiles). The biparietal diameter/nasal bone length (BPD/NBL) ratio showed somewhat higher sensitivity but lower specificity with a threshold effect. CONCLUSIONS NB absence or hypoplasia show high specificity and low but acceptable sensitivity in identifying fetuses with Down syndrome. Screening performance is better with NB measurements as a function of MoM or percentiles rather than as the BPD/NBL ratio. Classification of women into various risk groups for Down syndrome does not affect diagnostic performance.
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Affiliation(s)
- M Moreno-Cid
- Department of Obstetrics and Gynecology, Hospital General La Mancha Centro, Alcázar de San Juan, Spain
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Moreno-Cid M, Tenías Burillo JM, Rubio-Lorente A, Rodríguez MJ, Bueno-Pacheco G, Román-Ortiz C, Arias Á. Systematic review of the clinical prediction rules for the calculation of the risk of Down syndrome based on ultrasound findings in the second trimester of pregnancy. Prenat Diagn 2014; 34:265-72. [DOI: 10.1002/pd.4304] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Revised: 12/11/2013] [Accepted: 12/13/2013] [Indexed: 01/08/2023]
Affiliation(s)
- María Moreno-Cid
- Department of Obstetrics and Gynecology; Hospital General La Mancha Centro; Alcázar de San Juan Spain
| | | | - Ana Rubio-Lorente
- Department of Obstetrics and Gynecology; Hospital General La Mancha Centro; Alcázar de San Juan Spain
| | - María José Rodríguez
- Department of Obstetrics and Gynecology; Hospital General La Mancha Centro; Alcázar de San Juan Spain
| | - Gema Bueno-Pacheco
- Department of Obstetrics and Gynecology; Hospital General La Mancha Centro; Alcázar de San Juan Spain
| | - Carmen Román-Ortiz
- Research Support Unit; Hospital General La Mancha Centro; Alcázar de San Juan Spain
| | - Ángel Arias
- Research Support Unit; Hospital General La Mancha Centro; Alcázar de San Juan Spain
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Corredera A, Rodríguez MJ, Arévalo P, Llorente B, Moro M, Arruza L. [Functional echocardiography in neonatal intensive care: 1 year experience in a unit in Spain]. An Pediatr (Barc) 2014; 81:167-73. [PMID: 24387937 DOI: 10.1016/j.anpedi.2013.11.026] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Revised: 11/04/2013] [Accepted: 11/25/2013] [Indexed: 10/25/2022] Open
Abstract
INTRODUCTION Several publications highlight the usefulness of functional echocardiography (FnECHO) in neonatal intensive care. Data is lacking on its use in units neonatal in Spain. OBJECTIVES To evaluate frequency of use, patient characteristics, indications, measurements, and impact on patient management of FnECHO in a neonatal intensive care unit (NICU) in Spain over a 1 year period. METHODS A retrospective study conducted in NICU patients during 1 year. VARIABLES gestational age, birthweight, admission criteria, days of life at examination, indication for FnECHO, parameters assessed, and treatment modifications. RESULTS 168 echocardiographic studies were performed in 50 patients (mean 3,4. SD 2,83). The most frequent indication was patent ductus (PDA) assessment (58.3%), followed by hemodynamic instability (22.2%). The results of FnECHO modified treatment in 62 cases (36.9%). In 17.4% of them treatment with ibuprofen was initiated, and in 1.2% it was discontinued. In 10.8% of the cases, the results of FnECHO modified hemodynamic support. Echocardiographic evaluation included: assessment of presence/hemodynamic significance of PDA (100%); myocardiac function: ejection fraction/shortening fraction (EF/SF) 23.8%, left ventricular output 24.4%, right ventricular output 21.4%, systemic blood flow 42.3%; and signs of pulmonary hypertension 7.7%. CONCLUSIONS FnECHO is frequently used in the NICU, and in many cases it guides treatment. PDA assessment and hemodynamic instability are the most frequent indications. It still needs to be elucidated if the use of FnECHO modifies patient outcomes.
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Affiliation(s)
- A Corredera
- Servicio de Neonatología, Hospital Clínico San Carlos, Madrid, España
| | - M J Rodríguez
- Servicio de Neonatología, Hospital Clínico San Carlos, Madrid, España
| | - P Arévalo
- Servicio de Neonatología, Hospital Clínico San Carlos, Madrid, España
| | - B Llorente
- Servicio de Neonatología, Hospital Clínico San Carlos, Madrid, España
| | - M Moro
- Servicio de Neonatología, Hospital Clínico San Carlos, Madrid, España
| | - L Arruza
- Servicio de Neonatología, Hospital Clínico San Carlos, Madrid, España.
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Miranda M, Vega-Gálvez A, Martinez E, López J, Rodríguez MJ, Henríquez K, Fuentes F. Genetic diversity and comparison of physicochemical and nutritional characteristics of six quinoa (Chenopodium quinoa willd.) genotypes cultivated in Chile. Food Sci Technol 2012. [DOI: 10.1590/s0101-20612012005000114] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The present study was focused on the analysis of agronomical, nutritional, physicochemical, and antioxidant properties of six genetically different quinoa (Chenopodium quinoa Willd) genotypes cultivated in three distinctive geographical zones of Chile. Ancovinto and Cancosa genotypes from the northern Altiplano (19 ºS), Cáhuil and Faro from the central region (34 ºS), and Regalona and Villarica from the southern region (39 ºS) are representative of high genetic differentiation among the pooled samples, in particular between Altiplano and the central-southern groups. A Common-Garden Assay at 30 ºS showed significant differences among seed origins in all morphometric parameters and also in yields. Altiplano genotypes had larger panicule length but no seed production. A significant influence of the different quinoa genotypes on chemical composition and functional properties was also observed. Protein concentration ranged from 11.13 to 16.18 g.100 g-1 d.m., while total dietary fiber content ranged from 8.07-12.08 g.100 g-1 d.m., and both were the highest in Villarrica ecotype. An adequate balance of essential amino acids was also observed. Sucrose was the predominant sugar in all genotypes. Antioxidant activity was high in all genotypes, and it was highest in Faro genotype (79.58% inhibition).
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Affiliation(s)
| | | | | | - Jéssica López
- Universidad de La Serena; University of Santiago de Chile - USACH, Chile
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Ortega FJ, Gimeno-Bayon J, Espinosa-Parrilla JF, Carrasco JL, Batlle M, Pugliese M, Mahy N, Rodríguez MJ. ATP-dependent potassium channel blockade strengthens microglial neuroprotection after hypoxia-ischemia in rats. Exp Neurol 2012; 235:282-96. [PMID: 22387180 DOI: 10.1016/j.expneurol.2012.02.010] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2011] [Revised: 01/23/2012] [Accepted: 02/16/2012] [Indexed: 10/28/2022]
Abstract
Stroke causes CNS injury associated with strong fast microglial activation as part of the inflammatory response. In rat models of stroke, sulphonylurea receptor blockade with glibenclamide reduced cerebral edema and infarct volume. We postulated that glibenclamide administered during the early stages of stroke might foster neuroprotective microglial activity through ATP-sensitive potassium (K(ATP)) channel blockade. We found in vitro that BV2 cell line showed upregulated expression of K(ATP) channel subunits in response to pro-inflammatory signals and that glibenclamide increases the reactive morphology of microglia, phagocytic capacity and TNFα release. Moreover, glibenclamide administered to rats 6, 12 and 24h after transient Middle Cerebral Artery occlusion improved neurological outcome and preserved neurons in the lesioned core three days after reperfusion. Immunohistochemistry with specific markers to neuron, astroglia, microglia and lymphocytes showed that resident amoeboid microglia are the main cell population in that necrotic zone. These reactive microglial cells express SUR1, SUR2B and Kir6.2 proteins that assemble in functional K(ATP) channels. These findings provide that evidence for the key role of K(ATP) channels in the control of microglial reactivity are consistent with a microglial effect of glibenclamide into the ischemic brain and suggest a neuroprotective role of microglia in the early stages of stroke.
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Affiliation(s)
- F J Ortega
- Unitat de Bioquímica i Biologia Molecular, Facultat de Medicina, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, Barcelona, Spain
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Larzabal L, Nguewa PA, Pio R, Blanco D, Sanchez B, Rodríguez MJ, Pajares MJ, Catena R, Montuenga LM, Calvo A. Overexpression of TMPRSS4 in non-small cell lung cancer is associated with poor prognosis in patients with squamous histology. Br J Cancer 2011; 105:1608-14. [PMID: 22067904 PMCID: PMC3242532 DOI: 10.1038/bjc.2011.432] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Background: Mortality rates in lung cancer patients have not decreased significantly in recent years, even with the implementation of new therapeutic regimens. One of the main problems is that a large proportion of patients present local or distant metastasis at the time of diagnosis. The need for identification of novel biomarkers and therapeutic targets for a more effective management of lung cancer led us to investigate TMPRSS4, a protease reported to promote tumour growth and metastasis. Material and methods: In all, 34 lung cancer cell lines were used to evaluate the TMPRSS4 expression. Cell migration and clonogenic assays, and an in-vivo lung metastasis model were used for functional analysis of the TMPRSS4 downregulation in H358, H441 and H2170 cell lines. The TMPRSS4 expression analysis in normal and malignant lung tissue samples was performed by qPCR. Five different microarray-based publicly available expression databases were used to validate our results and to study prognosis. Results: The TMPRSS4 knock down in H358, H441 and H2170 cells resulted in a significant reduction in proliferation, clonogenic capacity and invasion. A significant (P<0.05) decrease in the lung colonisation and growth was found when mice were injected with TMPRSS4-depleated H358-derived clones, as compared with controls. Expression of TMPRSS4 showed a >30-fold increase (P<0.001) in tumours in comparison with non-malignant samples. Levels in tumours with squamous cell carcinoma (SCC) histology were found to be significantly higher (P<0.001) than those with adenocarcinoma (AC) histology, which was confirmed in data retrieved from the microarrays. Kaplan–Meier curves demonstrated that high levels of TMPRSS4 were significantly associated (P=0.017) with reduced overall survival in the patients with SCC histology, whereas no correlation was found for the AC histology. Conclusion: Our results demonstrate that TMPRSS4 has a role in the lung cancer development. The potential use of TMPRSS4 as a biomarker for lung cancer detection or as a predictor of patient's outcome warrants further investigation.
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Affiliation(s)
- L Larzabal
- Laboratory of Novel Therapeutic Targets, Division of Oncology, Center for Applied Medical Research, University of Navarra, Pamplona, Spain
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Juan-Mateu J, Paradas C, Olivé M, Verdura E, Rivas E, González-Quereda L, Rodríguez MJ, Baiget M, Gallano P. Isolated cardiomyopathy caused by a DMD nonsense mutation in somatic mosaicism: genetic normalization in skeletal muscle. Clin Genet 2011; 82:574-8. [PMID: 22092019 DOI: 10.1111/j.1399-0004.2011.01814.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
X-linked dilated cardiomyopathy is a pure cardiac dystrophinopathy phenotype mainly caused by DMD mutations that present a specific transcription effect in cardiac tissue. We report a 26-year-old male who presented with severe dilated cardiomyopathy and high creatine kinase. The patient did not complain of skeletal muscle weakness. A muscle biopsy showed mild dystrophic changes and a low proportion of dystrophin-negative fibres. A molecular study identified a nonsense DMD mutation (p.Arg2098X) in somatic mosaicism. The ratio of mutant versus normal allele in blood and skeletal muscle suggests selective pressure against mutant muscle cells, a process known as genetic normalization. We hypothesize that this process may have mitigated skeletal muscle symptoms in this patient. This is the second report of a DMD somatic mosaic with evidence of genetic normalization in muscle. Somatic DMD mutations should be considered in patients presenting with idiopathic dilated cardiomyopathy.
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Affiliation(s)
- J Juan-Mateu
- Genetics Department, Hospital Sant Pau, CIBERER, Barcelona, Spain
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Sotelo E, Llorente F, Rebollo B, Camuñas A, Venteo A, Gallardo C, Lubisi A, Rodríguez MJ, Sanz AJ, Figuerola J, Jiménez-Clavero MÁ. Development and evaluation of a new epitope-blocking ELISA for universal detection of antibodies to West Nile virus. J Virol Methods 2011; 174:35-41. [DOI: 10.1016/j.jviromet.2011.03.015] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2010] [Revised: 03/07/2011] [Accepted: 03/10/2011] [Indexed: 10/18/2022]
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García-García A, Pérez-Sayáns M, Rodríguez MJ, Antúnez-López J, Barros-Angueira F, Somoza-Martín M, Gándara-Rey JM, Aguirre-Urízar JM. Immunohistochemical localization of C1 subunit of V-ATPase (ATPase C1) in oral squamous cell cancer and normal oral mucosa. Biotech Histochem 2011; 87:133-9. [DOI: 10.3109/10520295.2011.574647] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Affiliation(s)
- A García-García
- Department of Stomatology, University of Santiago de Compostela, Santiago de Compostela
- University Hospital Complex of Santiago, Santiago de Compostela
| | - M Pérez-Sayáns
- Department of Stomatology, University of Santiago de Compostela, Santiago de Compostela
| | - MJ Rodríguez
- Department of Stomatology, University of the Basque Country EHU,
Leioa, Vizcaya
| | - J Antúnez-López
- Department of Stomatology, University of Santiago de Compostela, Santiago de Compostela
- University Hospital Complex of Santiago, Santiago de Compostela
| | - F Barros-Angueira
- Galician Public Foundation for Genomic Medicine, Santiago de Compostela, Spain
| | - M Somoza-Martín
- Department of Stomatology, University of Santiago de Compostela, Santiago de Compostela
| | - JM Gándara-Rey
- Department of Stomatology, University of Santiago de Compostela, Santiago de Compostela
| | - JM Aguirre-Urízar
- Department of Stomatology, University of the Basque Country EHU,
Leioa, Vizcaya
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Miranda M, Vega-Gálvez A, Uribe E, López J, Martínez E, Rodríguez MJ, Quispe I, Di Scala K. Physico-chemical analysis, antioxidant capacity and vitamins of six ecotypes of chilean quinoa (Chenopodium quinoa Willd). ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.profoo.2011.09.213] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Abstract
The importance of correlating anatomical studies with diagnostic and therapeutic approaches in practice has long been recognised. Such studies in the horse have, until recently, lagged behind this discipline in human medicine and surgery. Clinical techniques by which this correlation is achieved include radiography, ultrasound, computed tomography and magnetic resonance imaging. This review presents published literature on the subject and, in addition, describes the part played by plastination, a recently developed technique for the preservation of biological specimens. In this, tissue fluids and part of the lipids are replaced by certain polymers yielding specimens that can be handled without gloves, do not smell or decay, and even retain microscopic properties of the original sample. The technique has proved to be a useful tool to correct previously presented anatomical descriptions and is one now favoured by human surgeons. Studies of the horse employing this technique include those of the temporomandibular joint and tarsus. The aim of the review is to stimulate further correlations of anatomical structure and equine medical and surgical procedures, thereby advancing knowledge and understanding in practice and teaching.
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Affiliation(s)
- R Latorre
- Department of Veterinary Anatomy, Veterinary School, University of Murcia, Murcia 30100, Spain
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Abstract
REASONS FOR PERFORMING STUDY The minute anatomy of the temporomandibular joint (TMJ) in horses is poorly documented in the literature. OBJECTIVES To examine in detail the anatomy of the normal equine TMJ and the relationship of the joint to adjacent structures. METHODS The anatomy of the TMJ was examined in 12 equidae using dissections, synovial and vascular injections and frozen and plastinated sections. Relevant structures were photographed. RESULTS Rostral and caudal compartments were identified in the dorsal and ventral synovial pouches of the TMJ. Lateral and caudal ligaments were identified and attachments of the masticatory muscles over the TMJ were documented. Direct relationships between the TMJ and components of the ear were found, and the vascular supply described. CONCLUSIONS This joint is related to some components of the ear as in man, and has its own peripheral vascular supply. POTENTIAL RELEVANCE A knowledge of the detailed anatomy of the equine TMJ is a prerequisite to interpreting the imaging techniques, and will enable improved diagnosis of TMJ pathologies.
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Affiliation(s)
- M J Rodríguez
- Departments of Animal Medicine and Surgery, Faculty of Veterinary Medicine, Murcia University, Espinardo Campus, 30071 Murcia, Spain
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Bannenberg G, Martínez M, Rodríguez MJ, López MA, Ponce de León I, Hamberg M, Castresana C. Functional analysis of alpha-DOX2, an active alpha-dioxygenase critical for normal development in tomato plants. Plant Physiol 2009; 151:1421-32. [PMID: 19759339 PMCID: PMC2773050 DOI: 10.1104/pp.109.145094] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2009] [Accepted: 09/14/2009] [Indexed: 05/20/2023]
Abstract
Plant alpha-dioxygenases initiate the synthesis of oxylipins by catalyzing the incorporation of molecular oxygen at the alpha-methylene carbon atom of fatty acids. Previously, alpha-DOX1 has been shown to display alpha-dioxygenase activity and to be implicated in plant defense. In this study, we investigated the function of a second alpha-dioxygenase isoform, alpha-DOX2, in tomato (Solanum lycopersicum) and Arabidopsis (Arabidopsis thaliana). Recombinant Slalpha-DOX2 and Atalpha-DOX2 proteins catalyzed the conversion of a wide range of fatty acids into 2(R)-hydroperoxy derivatives. Expression of Slalpha-DOX2 and Atalpha-DOX2 was found in seedlings and increased during senescence induced by detachment of leaves. In contrast, microbial infection, earlier known to increase the expression of alpha-DOX1, did not alter the expression of Slalpha-DOX2 or Atalpha-DOX2. The tomato mutant divaricata, characterized by early dwarfing and anthocyanin accumulation, carries a mutation at the Slalpha-DOX2 locus and was chosen for functional studies of alpha-DOX2. Transcriptional changes in such mutants showed the up-regulation of genes playing roles in lipid and phenylpropanoid metabolism, the latter being in consonance with the anthocyanin accumulation. Transgenic expression of Atalpha-DOX2 and Slalpha-DOX2 in divaricata partially complemented the compromised phenotype in mature plants and fully complemented it in seedlings, thus indicating the functional exchangeability between alpha-DOX2 from tomato and Arabidopsis. However, deletion of Atalpha-DOX2 in Arabidopsis plants did not provoke any visible phenotypic alteration indicating that the relative importance of alpha-DOX2 in plant physiology is species specific.
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Seseña G, Rodríguez MJ, Martínez MDC, Jiménez MS. [Shepherd with fever of 2 weeks of evolution]. Enferm Infecc Microbiol Clin 2009; 27:56-7. [PMID: 19218005 DOI: 10.1016/j.eimc.2008.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2007] [Accepted: 06/16/2008] [Indexed: 11/15/2022]
Affiliation(s)
- Germán Seseña
- Servicio de Microbiología, Hospital Virgen de la Luz, Cuenca, España.
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Sancho JM, Morgades M, Arranz R, Fernández-Abellán P, Deben G, Alonso N, Blanes M, Rodríguez MJ, Nicolás C, Sánchez E, Fernández de Sevilla A, Conde E, Ribera JM. Practice of central nervous system prophylaxis and treatment in acute leukemias in Spain. Prospective registry study. Med Clin (Barc) 2008; 131:401-5. [PMID: 18928719 DOI: 10.1157/13126214] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
BACKGROUND AND OBJECTIVE Central nervous system (CNS) involvement in patients diagnosed with acute leukemias (AL) is an uncommon complication with poor prognosis. The indication and the schedules of prophylaxis and treatment of CNS involvement in AL are not homogenous among countries and within the same country. The aim of this prospective longitudinal study was to analyze and report the practice of CNS prophylaxis and treatment in patients with AL in Spain. PATIENTS AND METHOD Prospective study conducted from June 2005 to June 2006. Adult patients (> or = 18 yr.) diagnosed with AL who received CNS prophylaxis or treatment were consecutively included through online registration. RESULTS 265 patients from 32 hospitals were included. Mean (standard deviation) age was 44 (16) yr. and 133 (50%) were males. For acute lymphoblastic leukemia patients (n = 158), CNS therapy was given to 12 cases (10 at diagnosis and 2 at relapse) and consisted of triple intrathecal therapy (TIT, methotrexate, cytarabine and hydrocortisone) in 11 and liposomal depot cytarabine in one. CNS prophylaxis (n = 146) consisted of TIT in 135 cases, intrathecal methotrexate in 7, intrathecal cytarabine in 2 and intrathecal liposomal depot cytarabine in 2. No cranial irradiation either for prophylaxis or therapy was given in any case. In acute myeloblastic leukemia patients (n = 107), CNS therapy was administered to 17 cases (9 at diagnosis and 8 at relapse). Intrathecal therapy consisted of TIT in 11, intrathecal liposomal depot cytarabine in 5 and intrathecal cytarabine in one. One patient also received craniospinal irradiation. CNS prophylaxis (n = 90) consisted of TIT in 68 cases and intrathecal methotrexate in 22. CONCLUSIONS In Spain, the patterns of CNS prophylaxis and therapy for AL are homogeneous. TIT was the most frequent schedule for CNS prophylaxis and therapy. The lack of use of cranial or craniospinal irradiation and the administration of new drugs (i.e.: liposomal depot cytarabine) for CNS therapy and prophylaxis is of note.
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Affiliation(s)
- Juan-Manuel Sancho
- Servicio de Hematología Clínica, ICO-Hospital Germans Trias i Pujol, Badalona, Barcelona, España
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Rubiales D, Fernández-Aparicio M, Rodríguez MJ. First Report of Crenate Broomrape (Orobanche crenata) on Lentil (Lens culinaris) and Common Vetch (Vicia sativa) in Salamanca Province, Spain. Plant Dis 2008; 92:1368. [PMID: 30769431 DOI: 10.1094/pdis-92-9-1368b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Broomrapes (Orobanche spp.) are obligate parasites that infect roots of dicotyledonous plants. Orobanche species are particularly important in southern and eastern Europe, the Middle East, and North Africa. O. crenata (crenate broomrape) has been known to threaten legume crops since antiquity. This parasitic weed is mainly restricted to the Mediterranean Basin, southern Europe, and the Middle East and is an important pest in grain and forage legumes as well as in some Apiaceous crops such as carrot and celery (2,3). In Spain, O. crenata is a well-known problem on grain legumes in the south (Andalucía and Extremadura regions) and along the entire east coast north to the border with France. However, it has never been reported as a problem in central Spain. Castilla-León is the major pea-, vetch-, and lentil-producing area of Spain and was believed to be free of O. crenata. However, widespread and heavy infections of O. crenata (as many as 20 broomrapes per m2) were identified in the spring of 2007 on lentil and common vetch growing in several fields in Salamanca Province, between La Vellés, Palencia de Negrilla, and Aldeanueva de Figueroa, covering an area of approximately 80 km2. Infection of lentil and vetch plants was confirmed by digging up the plants to verify the attachment of the broomrape plant to the lentil or vetch roots. Morphology was typical of O. crenata (2), i.e., large erect plants with single, nonbranched spikes that may reach a height of up to 1 m, bearing many flowers of diverse pigmentation from yellow through white to pink and violet. The calyx is 13 to 18 mm with segments free and bidentate. The corolla is 18 to 28 mm, glandular pubescent, the lips often with lilac veins, lips divergent, large, and not ciliate. The anthers are brown, glabrous, or subglabrous. The filaments insert 2 to 3 mm above the base of the corolla and are hairy at the base with glandular hair at the apex. Voucher specimens were deposited at the Herbarium of the Botanic Department of the University of Córdoba. The heavy and widespread level of infection observed in several fields is most likely explained by an inadvertent introduction of O. crenata seed mixed with seed of lentil and vetch. To our knowledge, this is the first report of O. crenata infecting lentil and common vetch in Salamanca Province and is relevant because the area was considered free of the plant. Remarkably, a recent modeling study suggested that O. crenata might become a problem in central and northern Spain (1) since climatic conditions are suitable for its establishment. The spread of this infestation should be monitored because it could represent a major constraint on legume production in this region. References: (1) J. H. Grenz and J. Sauerborn. Agric. Ecosyst. Environ.122:275, 2007. (2) D. M. Joel et al. Biology and Management of Weedy Root Parasites. Page 267 in: Horticultural Reviews. Vol. 33. John Wiley and Sons, Inc. Hoboken, NJ, 2007. (3) D. Rubiales et al. Euphytica 147:187, 2006.
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Affiliation(s)
- D Rubiales
- CSIC, Institute for Sustainable Agriculture, Apdo. 4084, 14080 Córdoba, Spain
| | | | - M J Rodríguez
- ITACyL, Carretera de Burgos Km. 119, 47071 Valladolid, Spain
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Ruiz-Aragón J, García-Agudo L, Flores S, Rodríguez MJ, Marín P, García-Martos P. [Susceptibility to antimicrobial agents of rapidly growing mycobacteria]. Rev Esp Quimioter 2007; 20:429-432. [PMID: 18563216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Rapidly growing mycobacteria are often associated with human diseases. We investigated the in vitro susceptibilities of 40 isolates to six antimicrobial agents: 17 Mycobacterium fortuitum, 11 M. chelonae and 12 M. abscessus isolated from several human sources: 29 respiratory secretions, 5 cutaneous abscesses, 4 corneal ulcers and 2 urine samples of patients treated at "Hospital Puerta del Mar" (Cádiz). Susceptibility studies were determined by the broth microdilution method for amikacin, clarithromycin, ciprofloxacin, levofloxacin, imipenem and cefoxitin. Results suggest that amikacin is the most effective antimicrobial agent for treating infections due to rapidly growing mycobacteria. Clarithromycin and imipenem show good activity against M. fortuitum and M. abscessus, but not against M. chelonae. Quinolones are only effective against M. fortuitum. It's important to identify, in rapidly growing mycobacteria infections, the etiologic agent to determine correct treatment.
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Affiliation(s)
- J Ruiz-Aragón
- Servicio de Microbiología, Hospital Universitario Puerta del Mar, Cádiz, Spain.
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