6 results on '"Haydo AS"'
Search Results
2. Combining organotypic tissue culture with light‐sheet microscopy (OTCxLSFM) to study glioma invasion.
- Author
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Haydo, Alicia, Wehle, Andrej, Herold‐Mende, Christel, Kögel, Donat, Pampaloni, Francesco, and Linder, Benedikt
- Abstract
Glioblastoma is a very aggressive tumor and represents the most common primary brain malignancy. Key characteristics include its high resistance against conventional treatments, such as radio‐ and chemotherapy and its diffuse tissue infiltration, preventing complete surgical resection. The analysis of migration and invasion processes in a physiological microenvironment allows for enhanced understanding of these phenomena and can lead to improved therapeutic approaches. Here, we combine two state‐of‐the‐art techniques, adult organotypic brain tissue slice culture (OTC) and light‐sheet fluorescence microscopy (LSFM) of cleared tissues in a combined method termed OTCxLSFM. Using this methodology, we can show that glioblastoma tissue infiltration can be effectively blocked through treatment with arsenic trioxide or WP1066, as well as genetic depletion of the tetraspanin, transmembrane receptor CD9, or signal transducer and activator of transcription 3 (STAT3). With our analysis pipeline, we gain single‐cell level, three‐dimensional information, as well as insights into the morphological appearance of the tumor cells. Synopsis: Glioblastoma, an aggressive brain tumor, is resistant to standard treatments and infiltrates brain tissue. OTCxLSFM reveals that blocking infiltration is possible through pharmacological and genetic interventions, providing insights into tumor cell behavior.Glioblastoma is a primary brain malignancy known for its aggressiveness and resistance to conventional therapies.A novel approach, OTCxLSFM, combines brain tissue culture and advanced microscopy to study glioblastoma infiltration.Glioblastoma tissue infiltration is effectively blocked with arsenic trioxide and WP1066, or by targeting CD9 or STAT3.OTCxLSFM provides detailed single‐cell level, three‐dimensional insights into tumor cell behavior and morphology. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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3. Combining organotypic tissue culture with multi-color fluorescence light-sheet microscopy (OTCxLSFM) a novel tool to study glioma invasion/migration
- Author
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Haydo, Alicia, Wehle, Andrej, Herold-Mende, Christel, Kögel, Donat, Pampaloni, Francesco, Linder, Benedikt, Haydo, Alicia, Wehle, Andrej, Herold-Mende, Christel, Kögel, Donat, Pampaloni, Francesco, and Linder, Benedikt
- Abstract
Glioblastoma is a very aggressive tumor and represents the most common primary brain malignancy. Key characteristics include its high resistance against conventional treatments, such as radio- and chemotherapy and its diffuse tissue infiltration, preventing complete surgical resection. The analysis of migration and invasion processes in a physiological microenvironment allows for enhanced understanding of these processes and can lead to improved therapeutic approaches. Here, we combine two state-of-the-art techniques, adult organotypic brain tissue slice culture (OTC) and light sheet fluorescence microscopy (LSFM) of cleared tissues in a combined method termed OTCxLSFM. Using this methodology, we can show that glioblastoma tissue infiltration can be effectively blocked through treatment with arsenic trioxide, as well as genetic depletion of the tetraspanin, transmembrane receptor CD9. With our analysis-pipeline we gain single-cell level, three-dimensional information, as well as insights into the morphological appearance of the tumor cells.
- Published
- 2023
4. Heterobimetallic uranyl(vi) alkoxides of lanthanoids: formation through simple ligand exchange
- Author
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Groedler, Dennis, Weidemann, Martin L., Lichtenberg, Andreas, Greven, Tobias, Nickstadt, Robin, Haydo, Malek, Wickleder, Mathias, Klein, Axel, Johrendt, Dirk, Mathur, Sanjay, Zegke, Markus, Raauf, Aida, Groedler, Dennis, Weidemann, Martin L., Lichtenberg, Andreas, Greven, Tobias, Nickstadt, Robin, Haydo, Malek, Wickleder, Mathias, Klein, Axel, Johrendt, Dirk, Mathur, Sanjay, Zegke, Markus, and Raauf, Aida
- Abstract
Lanthanoid and actinoid silylamides are versatile starting materials. Herein we show how a simple ligand exchange with tert-butanol leads to the formation of the first trimeric heterobimetallic uranyl(vi)-lanthanoid(iii) alkoxide complexes. The mu(3) coordination of the endogenous uranyl oxo atom results in a significant elongation of the bond length and a significant deviation from the linear uranyl arrangement.
- Published
- 2022
5. Sambandet mellan företagsprestation och kärnkompetens : En kvantitativ studie om kompetensers vidare effekt inom revisionsbranschen
- Author
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Haydo, Joseph, Johansson, Linnea, Haydo, Joseph, and Johansson, Linnea
- Abstract
Bakgrund: För att företag ska överleva på lång sikt är det nödvändigt att de är lönsamma. Ett sätt för företag att utvecklas är genom att inkorporera kärnkompetens som strategi iföretaget och flertalet tidigare studier har bekräftat att kärnkompetens har en positiv påverkanpå lönsamhet. Inom revisionsbranschen är kompetens den viktigaste resursen och kan därmedvara en faktor som påverkar revisionsbyråernas lönsamhet. Denna studie fokuserar på densvenska arbetsmarknaden eftersom det existerar hög konkurrens om kompetens i Sverige ochav diverse skäl är olämpligt att undersöka flera länder samtidigt. Syfte: Syftet med denna studie var att kartlägga kompetensers vidare effekt pårevisionsbyråerna genom att ta reda på hur sambandet mellan lönsamhet och kärnkompetensser ut samt undersöka möjliga anledningar för sambandet. Teori: Inom den teoretiska referensramen definieras begreppen företagsprestation,kompetens och kärnkompetens samt de tillämpade teorierna, agentteorin och resursbaseradteori, presenteras. Begreppen och agentteorin leder fram till hypoteser. Metod: Undersökningen tillämpar två statistiska analyser, multipel linjär regression (MLR)och Spearmans rangkorrelation (SRK). MLR användes för att se hur sambandet ser ut ochSRK för att undersöka och förklara sambandet. Slutsats: Resultatet visar att 5 av 17 kompetenser har ett signifikant samband medlönsamhet, varav tre positiva och två negativa. Kompetensutveckling och hur viktiga de anseskunde förklara sambandet för vissa kompetenser och andra inte. Resultatet kan gerevisionsbyråerna en förståelse för hur de ska ta strategiska val kring byråns kärnkompetensoch vilka som behöver större fokus., Background: It is necessary for a firm to be profitable if the firm wants to survive longterm. One way to grow is to incorporate core competence as a business strategy and previousstudies have confirmed that core competence has a positive effect on profitability. Within theauditing industry competence is the most important resource and can therefore be a factor thatinfluences the firm’s profits. This study examines the Swedish industry since competence ishighly sought after in the Swedish auditing job market, and for several reasons it is unsuitableto study more than one country at the same time. Purpose: The purpose of this study is to understand what effect competence has on auditingfirms by looking at the relationship between profitability and core competence and explainpossible reasons for the relationship. Theoretical perspective: In the theoretical perspective the terms firm performance,competence, core competence are defined and the applied theories, agency theory andresource based theory, are presented. The terms and agency theory lead to formulation ofhypotheses. Method: The research applied two statistical analyses, multiple regression and Spearman’srank correlation. The multiple regressions showed the relationship and Spearman’s rankcorrelation was used for possible explanations for the relationship. Conclusion: The result shows that 5 out of 17 competencies have a significant relationshipwith profitability, whereof three of them are positive and two are negative. Competencedevelopment and importance can explain some of the competences’ relationship to profitsand others not. The results can give firms the knowledge about competencies and enablethem to make strategic decisions about the firm’s core competence and which ones that needmore focus.
- Published
- 2022
6. Heterobimetallic uranyl(VI) alkoxides of lanthanoids: formation through simple ligand exchange
- Author
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Dennis Grödler, Martin L. Weidemann, Andreas Lichtenberg, Tobias Greven, Robin Nickstadt, Malek Haydo, Mathias Wickleder, Axel Klein, Dirk Johrendt, Sanjay Mathur, Markus Zegke, and Aida Raauf
- Subjects
Materials Chemistry ,Metals and Alloys ,Ceramics and Composites ,General Chemistry ,Catalysis ,Surfaces, Coatings and Films ,Electronic, Optical and Magnetic Materials - Abstract
Lanthanoid and actinoid silylamides are versatile starting materials. Herein we show how a simple ligand exchange with
- Published
- 2021
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