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  • Open Access

    ARTICLE

    The effect of right ventricular function on survival and morbidity following stage 2 palliation: An analysis of the single ventricle reconstruction trial public data set

    Vanessa Marie Hormaza1, Mark Conaway2, Daniel Scott Schneider1, Jeffrey Eric Vergales1

    Congenital Heart Disease, Vol.14, No.2, pp. 274-279, 2019, DOI:10.1111/chd.12722

    Abstract Objective: Limited information is known on how right ventricular function affects outcomes after stage 2 palliation. We evaluated the impact of different right ventricular indices prior to stage 2 palliation on morbidity and mortality.
    Design: Retrospective study design.
    Setting: Pediatric Heart Network Single Ventricle Reconstruction Trial Public Data Set.
    Patient: Any variant of stage 1 palliation and all anatomic hypoplastic left heart syndrome variants in the trial were evaluated. Echocardiograms prior to stage 2 palliation were analyzed and compared between those who failed and those who survived.
    Intervention: None.
    Outcome measures: Mortality was defined as death, listed for transplant, or transplanted… More >

  • Open Access

    ARTICLE

    Reproductive performance of the Mesa silverside (Chirostoma jordani Woolman, 1894) under natural and controlled photoperiods

    JOSÉ LUIS ARREDONDO-FIGUEROA1, LAURA GEORGINA NÚÑEZ-GARCÍA2, PALOMA ADRIANA HEREDIA-GUZMÁN3 AND JESÚS T. PONCE-PALAFOX4.

    BIOCELL, Vol.36, No.3, pp. 105-111, 2012, DOI:10.32604/biocell.2012.36.105

    Abstract Chirostoma jordani is a native annual species inhabiting lacustrine waters of the Central Mexico Plateau. It is widely distributed and is currently facing high environmental pressures. Five experiments were performed to study the reproductive performance of this species. Four of the experiments were conducted in 270-L indoor recirculation tanks. Two males and one female at the first stage of reproduction were included in each test. A photoperiod of 14 light hours and 10 dark hours was used. In a fifth experiment, 10 females and 15 males were kept in an outdoor 3,000-L recirculation tank under natural… More >

  • Open Access

    ARTICLE

    Strategies and survival tactics of Cologania broussonetii (Balb.) DC. (Fabaceae-Faboideae)

    Perissé P1, R Lovey2, ML Molinelli1, M Scandaliaris2

    Phyton-International Journal of Experimental Botany, Vol.83, pp. 275-281, 2014, DOI:10.32604/phyton.2014.83.275

    Abstract Cologania broussonetii (Balb.) DC. stands out as valuable perennial, native forage that grows in northwestern Argentina, Cordoba hills and San Luis Province. The objectives of this study were to establish the vegetative and reproductive structures in function of the strategies and survival tactics of Cologania broussonetii. The specimens were collected in the Pan de Azúcar loaf mountain, Córdoba, and in the experimental plots of the FCA, UNC, and were then deposited in the Herbarium ACOR and in the Seed Collection. Seedlings were obtained from germination assays. Cross section cuts were performed on the survival structures of adult… More >

  • Open Access

    ARTICLE

    Seed and seedling morphology of Dicliptera squarrosa Nees (Acanthaceae) as a character identification source, and its relationship with survival structures

    Perissé P1, RJ Lovey2, CV Arias3, M Scandaliaris2, ML Molinelli1

    Phyton-International Journal of Experimental Botany, Vol.80, pp. 73-78, 2011, DOI:10.32604/phyton.2011.80.073

    Abstract Dicliptera squarrosa Nees, “canario rojo”, “coral de campo” or “ajicillo”, is a perennial native herb of the north, center and east of Argentina. It is cited as an ornamental, apiarian, emergency forage plant, and as a glyphosate-tolerant weed. The objectives were to characterize the seed and seedling of D. squarrosa and to establish the relationships with the structures that ensure its survival. The materials were treated with the conventional methodology to perform morphological studies, using stereoscopically and optical microscopy. The germination assays were carried out to determine the germination percentage and the germination type. The weight of… More >

  • Open Access

    ARTICLE

    Contributions of ecological facilitation for restoring environments with high conservation value in the Argentine Patagonia

    González FM, DR Pérez

    Phyton-International Journal of Experimental Botany, Vol.86, pp. 332-339, 2017, DOI:10.32604/phyton.2017.86.332

    Abstract The Argentine arid Patagonia, in general, and ‘La Payunia’ ecosystem in particular, are important areas for conservation due to the high number of endemic species. However, this region presents a high level of degradation as a result of human activities. Thus, ecological rehabilitation strategies need to be implemented to recover certain areas. The main objectives of this study were to (1) evaluate the reintroduction of two selected native species in severely degraded areas, and (2) determine if the survival and growth of an endemic shrub species, Senna arnottiana, increase when it is associated with a perennial… More >

  • Open Access

    ARTICLE

    Metabolizing SHED Cell Survival in Dental Pulp Tissue Engineered Constructs

    P. E. Murray1, F. Garcia-Godoy1

    Molecular & Cellular Biomechanics, Vol.3, No.4, pp. 139-140, 2006, DOI:10.32604/mcb.2006.003.139

    Abstract This article has no abstract. More >

  • Open Access

    REVIEW

    Systems Neuroprotective Mechanisms in Ischemic Stroke

    Shu Q. Liu*

    Molecular & Cellular Biomechanics, Vol.16, No.2, pp. 75-85, 2019, DOI:10.32604/mcb.2019.06920

    Abstract Ischemic stroke, although causing brain infarction and neurological deficits, can activate innate neuroprotective mechanisms, including regional mechanisms within the ischemic brain and distant mechanisms from non-ischemic organs such as the liver, spleen, and pancreas, supporting neuronal survival, confining brain infarction, and alleviating neurological deficits. Both regional and distant mechanisms are defined as systems neuroprotective mechanisms. The regional neuroprotective mechanisms involve release and activation of neuroprotective factors such as adenosine and bradykinin, inflammatory responses, expression of growth factors such as nerve growth factors and neurotrophins, and activation and differentiation of resident neural stem cells to neurons… More >

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