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Home    Καταγραφή και μελέτη του ενεργειακού προφίλ εμβρύων κατά τη διάρκεια της πρώτης και δεύτερης μιτωτικής διαίρεσης με χρήση μη-γραμμικής μικροσκοπίας μέσω παραγωγής τρίτης αρμονικής  

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Identifier 000369263
Title Καταγραφή και μελέτη του ενεργειακού προφίλ εμβρύων κατά τη διάρκεια της πρώτης και δεύτερης μιτωτικής διαίρεσης με χρήση μη-γραμμικής μικροσκοπίας μέσω παραγωγής τρίτης αρμονικής
Alternative Title Study of the embryo’s energetic profile during the first and second cleavage by non-linear Third Harmonic Generation Microscopy
Author Κυβελίδου, Χριστιάνα
Thesis advisor ΑΘανασάκη, Ειρήνη
Abstract Embryo patterning is subject to intense investigation. So far only large, microscopically obvious structures like polar body, cleavage furrow, pronucleus shape can be evaluated in the intact embryo. Using non-linear microscopic techniques, the present work describes new methodologies to evaluate preimplantation mouse embryo patterning. Third Harmonic Generation (THG) imaging, by detecting intracellular structures, could provide valuable and complementary information as to the energetic status of preimplantation embryos, time evolution of different developmental stages, intracellular changes prior to mitotic division and blastomere equivalence. Quantification of THG imaging detected highest signaling in the 2-cell stage embryos, while evaluating a 12-18% difference between blastomeres at the 8-cell stage embryos. Furthermore, CCCP and L-carnitine embryo cultures revealed liposomes as major contributors to the deriving THG signal. Such a methodology provides novel, non intrusive imaging assays to follow up intracellular structural patterning associated with the energetic status of a developing embryo, which could be successfully used for embryo selection during the in vitro fertilization process.
Language Greek
Subject Embruo imaging
Lipid droplets
Mitichondria
Non-linear microscopy
Preimplantation embruos
Απεικόνιση εμβρύων
Εναποθέσεις λιπιδίων
Μη-γραμμική μικροσκοπία
Μιτοχόνδρια
Προεμφυτευτικά έμβρυα
Issue date 2011-11-18
Collection   School/Department--School of Sciences and Engineering--Department of Biology--Post-graduate theses
  Type of Work--Post-graduate theses
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