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Search Results: 1 - 10 of 225114 matches for " José Antonio; Vázquez Flores "
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Primer registro de Blechnum appendiculatum (Pteridophyta: Blechnaceae) para Nuevo León, México
Velazco Macías, Carlos Gerardo;Alanís Flores, Glafiro José;Alvarado Vázquez, Marco Antonio;
Revista mexicana de biodiversidad , 2011,
Abstract: blechnum appendiculatum willd. is first recorded in the state of nuevo león, within the natural protected area of sierra cerro de la silla, in the cadereyta jiménez municipality; this is first record for both genus and species in the state.
Primer registro de Blechnum appendiculatum (Pteridophyta: Blechnaceae) para Nuevo León, México First record of Blechnum appendiculatum (Pteridophyta: Blechnaceae) for the state of Nuevo León, México
Carlos Gerardo Velazco Macías,Glafiro José Alanís Flores,Marco Antonio Alvarado Vázquez
Revista mexicana de biodiversidad , 2011,
Abstract: Se registra Blechnum appendiculatum Willd. por primera vez en Nuevo León. Es éste el primer registro del género para ese estado. La especie se encontró dentro del área Natural Protegida Estatal Sierra Cerro de la Silla, municipio de Cadereyta Jiménez; tanto el género como la especie son primer registro para el estado. Blechnum appendiculatum Willd. is first recorded in the state of Nuevo León, within the natural protected area of Sierra Cerro de la Silla, in the Cadereyta Jiménez municipality; this is first record for both genus and species in the state.
Chronic Administration of the Resveratrol or N-PEP-12 Ameliorates the Endothelial Dysfunction in Aging Rats  [PDF]
Gonzalo Flores, Josue Hernández-Cabrera, Celeste Santamaria-Juarez, Rubén Antonio Vázquez-Roque, Elizabeth Monserrat-Hernández, Ma. De Jesús Gómez-Villalobos, Jorge Flores-Hernández, Fausto Atonal-Flores, José Gustavo López-López
Pharmacology & Pharmacy (PP) , 2014, DOI: 10.4236/pp.2014.51011
Abstract:

Here we investigated the effects of chronic treated with resveratrol, a polyphenol (3,4,5-trihydroxystilbene) found in more than 70 plant species and food products such as red grapes, berries and peanuts, or N-PEP-12, a mix of peptides, on arteries in aging rats. Aging rats have shown endothelial dysfunction. Aged Sprague-Dawley rats (18 months old) were treated with resveratrol (20 mg/kg/day by gavage) or N-PEP-12 (60 mg/kg/day by gavage) for 10 weeks. 24 hours after the last administration of resveratrol or N-PEP-12, the animals were weighed and diastolic and systolic blood pressure was measured by tail-cuff plethysmography. Thoracic and abdominal aorta artery segments were obtained from resveratrol-, N-PEP-12-and vehicle-treated rats and were mounted in isometric tension for isolated vessels. We found that resveratrol and N-PEP-12 improved acetylcholine-induced relaxation in the old animals. These results suggest that chronic administration of resveratrol or N-PEP-12 may in part reduce endothelial dysfunction in the aging.

Genetic polymorphism of the αs1-casein locus in five populations of goats from Mexico
Torres-Vázquez,José Antonio; Vázquez Flores,Felícitas; Montaldo,Hugo H; Ulloa-Arvizu,Raúl; Valencia Posadas,Mauricio; Gayosso Vázquez,Amanda; Alonso Morales,Rogelio Alejandro;
Electronic Journal of Biotechnology , 2008,
Abstract: with the objective of estimating allele frequencies, and testing for population divergence for the csn1s1 locus, genotypes of animals from five goat populations; saanen (n = 97), alpine (n = 81) toggenburg (n = 92), local goats with external appearance similar to the murciana-granadina breed from central mexico (n = 26) and heterogeneous local animals denominated mosaico lagunero (n = 30), from northern mexico, were identified using pcr and xmn1 pcr-rflp methodology. for saanen, alpine and toggenburg, the sum of e and f alleles had the largest frequencies (from 0.468 to 0.789), while for the groups local murciana-granadina and mosaico lagunero the sum of the most frequent allelic groups (a* and b*), were 0.385 and 0.533 respectively. both local murciana-granadina and mosaico lagunero populations showed heterozygote excess (p < 0.08). the percentage of the total genetic variation (fst) explained by population differences was 5.16. there was genetic differentiation for most pair comparisons between populations (p < 0.05), excepting for alpine versus toggenburg, and toggenburg versus mosaico lagunero (p > 0.05). for saanen and alpine the frequencies of alleles e and f were similar to the same breeds previously analyzed in europe. therefore there are opportunities of increasing the frequency of the strong alleles for protein content gene assisted selection (gas) in these two breeds. for toggenburg the most frequent allelic groups were f (0.32) and b* (0.21). results indicate differentiation between most populations for this locus. moreover, heterozygote excess in local populations indicated breed admixture.
Magnolia dealbata en Nuevo León, México
Velazco-Macías, Carlos Gerardo;Foroughbakhch-Pournavab, Rahim;Alanís-Flores, Glafiro José;Alvarado-Vázquez, Marco Antonio;
Revista mexicana de biodiversidad , 2008,
Abstract: the distribution of magnolia dealbata zucc. in the state of nuevo león in northeastern mexico is analyzed and described; information regarding its conservation status, habitat health, and phenology of studied populations is provided. through bibliographical information and field work in the sierra madre oriental, 2 core populations of m. dealbata zucc. can be distinguished, both located in the municipality of montemorelos in the center of the state, covering a total of 17.66 hectares. density reaches 30 individuals per 100 square meters. the species grows in association with pinus teocote, quercus spp, cornus florida, carya sp. and sambucus nigra. new leaves sprout in early march, and flower production starts in early may. habitat shows little disturbance and no short-term threats were identified for these populations.
Magnolia dealbata en Nuevo León, México Magnolia dealbata in Nuevo Leon, México
Carlos Gerardo Velazco-Macías,Rahim Foroughbakhch-Pournavab,Glafiro José Alanís-Flores,Marco Antonio Alvarado-Vázquez
Revista mexicana de biodiversidad , 2008,
Abstract: Se analiza y describe la distribución de Magnolia dealbata Zucc. en el estado de Nuevo León, México, aportando información acerca de la ecología, estado de conservación, situación del hábitat y fenología de las poblaciones estudiadas. Por medio de una revisión bibliográfica y trabajo de campo realizado en la sierra Madre Oriental, se obtuvieron datos que permiten distinguir 2 núcleos poblacionales ubicados en el municipio de Montemorelos, en el centro del estado, con extensión total de 17.66 hectáreas, y densidad de hasta 30 individuos por 100 m2. Se presenta en asociación con Pinus teocote, Quercus spp., Cornus florida, Carya sp. y Sambucus nigra. La observación fenológica durante el periodo de estudio mostró que la aparición de nuevos brotes foliares comienza a principios de marzo y la floración a principios de mayo. El hábitat se observa con pocas alteraciones y no se identificaron amenazas a corto plazo para estas poblaciones. The distribution of Magnolia dealbata Zucc. in the state of Nuevo León in northeastern Mexico is analyzed and described; information regarding its conservation status, habitat health, and phenology of studied populations is provided. Through bibliographical information and field work in the Sierra Madre Oriental, 2 core populations of M. dealbata Zucc. can be distinguished, both located in the municipality of Montemorelos in the center of the state, covering a total of 17.66 hectares. Density reaches 30 individuals per 100 square meters. The species grows in association with Pinus teocote, Quercus spp, Cornus florida, Carya sp. and Sambucus nigra. New leaves sprout in early March, and flower production starts in early May. Habitat shows little disturbance and no short-term threats were identified for these populations.
Metastasis of Renal Cell Carcinoma to the Buccal Mucosa 19 Years after Radical Nephrectomy
Hernani Gil-Julio,Fernando Vázquez-Alonso,Antonio J. Fernández-Sánchez,Ignacio Puche-Sanz,José F. Flores-Martín,José M. Cózar
Case Reports in Oncological Medicine , 2012, DOI: 10.1155/2012/823042
Abstract: Renal cell carcinoma (RCC) has high metastatic potential, which requires early diagnosis to optimize the chance of cure. Metastasis of RCC to the head and neck region is less common and metastasis to the buccal mucosa is extremely rare. This phenomenon occurs mostly in patients with generalized dissemination, especially with lung metastases. In this article we report a case of buccal mucosa metastasis from RCC in a 65-year-old man who presented 19 years after undergoing a left radical nephrectomy for clear cell RCC. Surgical excision of the buccal lesion was performed without evidence of recurrence or new metastatic lesions after 6 years of followup. To our knowledge, this is the first case of metastasis to the buccal mucosa from a RCC reported in the literature.
Metastasis of Renal Cell Carcinoma to the Buccal Mucosa 19 Years after Radical Nephrectomy
Hernani Gil-Julio,Fernando Vázquez-Alonso,Antonio J. Fernández-Sánchez,Ignacio Puche-Sanz,José F. Flores-Martín,José M. Cózar
Case Reports in Oncological Medicine , 2012, DOI: 10.1155/2012/823042
Abstract: Renal cell carcinoma (RCC) has high metastatic potential, which requires early diagnosis to optimize the chance of cure. Metastasis of RCC to the head and neck region is less common and metastasis to the buccal mucosa is extremely rare. This phenomenon occurs mostly in patients with generalized dissemination, especially with lung metastases. In this article we report a case of buccal mucosa metastasis from RCC in a 65-year-old man who presented 19 years after undergoing a left radical nephrectomy for clear cell RCC. Surgical excision of the buccal lesion was performed without evidence of recurrence or new metastatic lesions after 6 years of followup. To our knowledge, this is the first case of metastasis to the buccal mucosa from a RCC reported in the literature. 1. Introduction Metastasis of RCC to the buccal mucosa represents an extremely rare finding and is regarded to have very poor prognosis. The metastasis of RCC to the head and neck region is relatively uncommon and can be found in 8–16% of all cases [1–5], usually associated with lesions in other sites. The rich vascular structure of RCCs facilitates hematogenous extension and the development of distant metastases. The most important hematogenous extension route in RCC is the vena cava system, which leads to the lung. Metastatic tumours to the buccalmucosa generally present with nonspecific symptoms and signs. Surgical excision is considered the first line of treatment and the decision should be based on the evidence of other organs involvement, the patient’s general condition [2, 4, 6], and the use of radiotherapy [3, 5] or antiangiogenic therapy [7]. In this paper, we report a rare case of metastasis to the buccal mucosa from an RCC that occurred 19 years after left radical nephrectomy. 2. Case Report A65-year-old otherwise healthy male patient presented to clinic with a sensation of discomfort in his left cheek. His past history is significant for left radical nephrectomyperformed 19 years earlier for clear cell renal cellcarcinomawithrenalveinthrombosis (pT3aN0M0), and there were no other sites of disease evident upon current presentation. Computed Tomography scan detected a 10?mm 8?mm mass suggestive of malignant lesion in theleftbuccalmucosa (Figure 1) which was then surgically removed. Pathological examination showed metastaticclear cell renal cell carcinoma with clear excision margins. After 6 years of clinical followup and serial radiological controls, the patient showed no signs of local recurrence or new metastatic lesions. Figure 1: Head CT image showing a malignant lesion in the
Rese a de "Xeografía, entre cultura e profesión territorial" de R. Rodríguez González
José Antonio Aldrey Vázquez
Papeles de Geografía , 2005,
Abstract:
Los estudios en los seminarios espa oles del siglo XIX. El ejemplo de la diócesis compostelana
Vázquez Vilanova, José Antonio
Hispania Sacra : Revista de Historia Eclesiástica , 2002,
Abstract: Taking the seminar of Santiago as the pattern, firstly I have tried to establish the main guidelines followed for the training of the Spanish seminarists during the 19th century. In order to do so, besides indicating the evolution brought about and the changes formed by the apparition of the seminar on the previous system, other questions have also been tackled, such as the way studies are structured, taught subjects, ideological orientations, or the methodology used. At the same time, the application and improvement level shown by the students has been taken into account both by the exams'results and by the academic years involved and the grades obtained. Tomando el Seminario de Santiago como modelo, he tratado primeramente de establecer cuáles fueron las principales pautas seguidas para la formación de los seminaristas espa oles durante el siglo XIX. Para ello, además de indicar la evolución que respecto al sistema anterior supuso la aparición del seminario, se han abordado cuestiones referidas a la estructura de los estudios, asignaturas impartidas, orientaciones ideológicas o metodología empleada. Por su parte, el nivel de aplicación y aprovechamiento mostrado por los alumnos ha sido abordado tanto por los resultados de los exámenes como por los a os cursados y calificaciones obtenidas.
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