1,576 research outputs found

    Chaminade Musical 1917: \u27W.J. Chaminade: Ein Lebensbild\u27

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    An oratorio written and first performed to commemorate the 100th anniversary of the foundation of the Society of Mary. Music by Father Francis Joseph Jung, S.M.; text by Father John Winkelbauer, S.M

    The Tinker\u27s Scene from the Oratorio \u27Chaminade\u27

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    From the oratorio Chaminade, a scene from life of Father Chaminade disguised as a tinker. Piece available for download was arranged for piano, violin, cello, flute ensemble, organ, and mixed choir by Professor Erich Kahl in celebration of the Chaminade Centennial in 1950; transcribed by Mike Nartker, S.M

    On the Orthogonal Stability of the Pexiderized Quadratic Equation

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    The Hyers--Ulam stability of the conditional quadratic functional equation of Pexider type f(x+y)+f(x-y)=2g(x)+2h(y), x\perp y is established where \perp is a symmetric orthogonality in the sense of Ratz and f is odd.Comment: 10 pages, Latex; Changed conten

    Superior pre-osteoblast cell response of etched ultrafine-grained titanium with a controlled crystallographic orientation

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    Ultrafine-grained (UFG) Ti for improved mechanical performance as well as its surface modification enhancing biofunctions has attracted much attention in medical industries. Most of the studies on the surface etching of metallic biomaterials have focused on surface topography and wettability but not crystallographic orientation, i.e., texture, which influences the chemical as well as the physical properties. In this paper, the influences of texture and grain size on roughness, wettability, and pre-osteoblast cell response were investigated in vitro after HF etching treatment. The surface characteristics and cell behaviors of ultrafine, fine, and coarse-grained Ti were examined after the HF etching. The surface roughness during the etching treatment was significantly increased as the orientation angle from the basal pole was increased. The cell adhesion tendency of the rough surface was promoted. The UFG Ti substrate exhibited a higher texture energy state, rougher surface, enhanced hydrophilic wettability, and better cell adhesion and proliferation behaviors after etching than those of the coarse- and fine-grained Ti substrates. These results provide a new route for enhancing both mechanical and biological performances using etching after grain refinement of Ti. ? The Author(s) 2017.115Ysciescopu

    Recent technological updates and clinical applications of induced pluripotent stem cells

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    Induced pluripotent stem cells (iPSCs) were first described in 2006 and have since emerged as a promising cell source for clinical applications. The rapid progression in iPSC technology is still ongoing and directed toward increasing the efficacy of iPSC production and reducing the immunogenic and tumorigenic potential of these cells. Enormous efforts have been made to apply iPSC-based technology in the clinic, for drug screening approaches and cell replacement therapy. Moreover, disease modeling using patient-specific iPSCs continues to expand our knowledge regarding the pathophysiology and prospective treatment of rare disorders. Furthermore, autologous stem cell therapy with patient-specific iPSCs shows great propensity for the minimization of immune reactions and the provision of a limitless supply of cells for transplantation. In this review, we discuss the recent updates in iPSC technology and the use of iPSCs in disease modeling and regenerative medicine

    Functional cooperation of Dam1, Ipl1, and the inner centromere protein (INCENP)–related protein Sli15 during chromosome segregation

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    We have shown previously that Ipl1 and Sli15 are required for chromosome segregation in Saccharomyces cerevisiae. Sli15 associates directly with the Ipl1 protein kinase and these two proteins colocalize to the mitotic spindle. We show here that Sli15 stimulates the in vitro, and likely in vivo, kinase activity of Ipl1, and Sli15 facilitates the association of Ipl1 with the mitotic spindle. The Ipl1-binding and -stimulating activities of Sli15 both reside within a region containing homology to the metazoan inner centromere protein (INCENP). Ipl1 and Sli15 also bind to Dam1, a microtubule-binding protein required for mitotic spindle integrity and kinetochore function. Sli15 and Dam1 are most likely physiological targets of Ipl1 since Ipl1 can phosphorylate both proteins efficiently in vitro, and the in vivo phosphorylation of both proteins is reduced in ipl1 mutants. Some dam1 mutations exacerbate the phenotype of ipl1 and sli15 mutants, thus providing evidence that Dam1 interactions with Ipl1–Sli15 are functionally important in vivo. Similar to Dam1, Ipl1 and Sli15 each bind to microtubules directly in vitro, and they are associated with yeast centromeric DNA in vivo. Given their dual association with microtubules and kinetochores, Ipl1, Sli15, and Dam1 may play crucial roles in regulating chromosome–spindle interactions or in the movement of kinetochores along microtubules

    Generation of functional cardiomyocytes from the synoviocytes of patients with rheumatoid arthritis via induced pluripotent stem cells

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    Cardiovascular disease is a leading cause of morbidity in rheumatoid arthritis (RA) patients. This study aimed to generate and characterise cardiomyocytes from induced pluripotent stem cells (iPSCs) of RA patients. Fibroblast-like synoviocytes (FLSs) from patients with RA and osteoarthritis (OA) were successfully reprogrammed into RA-iPSCs and OA-iPSCs, respectively. The pluripotency of iPSCs was confirmed by quantitative reverse transcription-polymerase chain reaction and immunofluorescence staining. Established iPSCs were differentiated into cardiomyocytes using a small molecule-based monolayer differentiation protocol. Within 12 days of cardiac differentiation from patient-specific and control-iPSCs, spontaneously beating cardiomyocytes (iPSC-CMs) were observed. All iPSC-CMs exhibited a reliable sarcomeric structure stained with antibodies against cardiac markers and similar expression profiles of cardiac-specific genes. Intracellular calcium signalling was recorded to compare calcium-handling properties among cardiomyocytes differentiated from the three groups of iPSCs. RA-iPSC-CMs had a lower amplitude and a shorter duration of calcium transients than the control groups. Peak tangential stress and the maximum contractile rate were also decreased in RA-iPSC-CMs, suggesting that contractility was reduced. This study demonstrates the successful generation of functional cardiomyocytes from pathogenic synovial cells in RA patients through iPSC reprogramming. Research using RA-iPSC-CMs might provide an opportunity to investigate the pathophysiology of cardiac involvement in RA

    Suami SIAGA: male engagement in maternal health in Indonesia

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    Suami SIAGA, which translates literally as the 'alert husband', is a national campaign that was created in early 2000 to promote male participation in maternal and child health program in Indonesia. The purpose of this study was to identify the proportion of men who took part in Suami SIAGA and the factors associated with their participation using the 2012 Indonesia Demographic and Health Survey (IDHS). This study also examined the relationship between Suami SIAGA and the following results related to the national campaign: the presence of husbands at antenatal care (ANC) units and the place of delivery at health facilities. Data on the characteristics of husbands and wives, as well as other related factors, the perceived elements of Suami SIAGA, and the national campaign outcomes were obtained from a total of 1256 eligible male subjects, drawn from the matched couples' data set. The data was analysed using bivariate and multiple logistic regression to test the associations. This study found that 86% of the respondents were categorised as SIAGA husbands. After controlling all the variables, age and education of wife factors were significantly associated with Suami SIAGA, especially in the group of women aged 41-49 years old (OR = 2.4, 95% CI: 1.1-5.5) and women with a secondary level of education (OR = 1.8, 95% CI: 1.2-2.7) and higher (OR = 2.8, 95% CI: 1.4-5.6). SIAGA husbands were more likely to attend their wives' ANC (OR = 2.3; 95% CI: 1.4-3.7). This study provides evidence on the benefit of husband involvement in maternal health, especially to improve ANC attendance. Empowering women themselves should also be addressed in leveraging the impact of Suami SIAGA
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