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2篇 您的检索式:作者名="Giulia Fabozzi"
    题名 作者 年代 出处 被引量
1Sperm vacuoles negatively affect outcomes in intracytoplasmic morphologically selected sperm injection in terms of pregnancy, implantation, and live-birth rates显示文摘Ermanno Greco Filomena Scarselli Gemma Fabozzi Alessandro Colasante Daniela Zavaglia Erminia Alviggi Katarzyna Litwicka Maria Teresa Varricchio Maria Giulia Minasi Jan Tesarik 2013Fertility and Sterility2013,,:1
2Comprehensive Flow Cytometry Analysis of PEI-Based Transfections for Virus-Like Particle Production显示文摘The generation of stable clones for biomolecule production is a common but lengthy and labor-intensive process.For complex molecules,such as viruses or virus-like particles(VLPs),the timeline becomes even more cumbersome.Thus,in the early stages of development,transient production methods serve as a reasonable alternative to stable clone construction.In this work,an investigation of a polyethylenimine-(PEI-)based transfection method for the transient production of Chikungunya(Chik)VLPs,a vaccine candidate molecule,was undertaken.This effort focuses on tracking cell population responses during transfection,understanding how process changes affect these responses,and monitoring patterns in cell performance over the culture duration.Plasmid labeling and VLP staining were employed to comprehensively track cells via flow cytometry and to draw correlations between plasmid DNA(pDNA)uptake and the resulting VLP expression.The method detected high transfection efficiency(≥97%)in all samples tested and demonstrated the capability to track kinetics of plasmid-cell binding.With varied transfection cell concentrations,the pDNA binding kinetics are altered and saturation binding is observed in the lowest cell concentration sample tested in less than 3 hours of incubation.Interestingly,in all samples,the flow cytometry analysis of relative pDNA amount versus VLP expression staining showed that cells which contained fewer pDNA complexes resulted in the highest levels of VLP stain.Finally,to determine the potential breadth of our observations,we compared daily expression patterns of ChikVLP with a reporter,monomeric GFP molecule.The similarities detected suggest the interpretations presented here to likely be more broadly informative and applicable to PEI-based transient production of additional biological products as well.Daniel J.Blackstock Alvenne Goh Shamitha Shetty Giulia Fabozzi Rong Yang Vera BIvleva Richard Schwartz Joseph Horwitz 2020Research2020,,1:0
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