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Poster Presentation

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To utilize short homopyrimidine deoxyoligomers as highly specific third strand ... with 5' psoralen and 3' fluor termini were transfected into cells, and observed ... – PowerPoint PPT presentation

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Title: Poster Presentation


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Poster Presentation
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Make The Title Brief And Descriptive.
  • Continuing Efforts to Exploit Third Strand
    Binding for Repair of the Sickle Cell Mutation in
    Human Cell Lines

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Provide A Brief Abstract
  • To utilize short homopyrimidine deoxyoligomers as
    highly specific third strand binding agents for
    delivery of reagents to modify mutant residues at
    unique sites in the human genome, we have
    explored methods for transfecting them into HeLa
    and K562 cells, and demonstrated that they do
    bind to the correct target sequences. This work
    is part of an effort to develop a method for
    correcting point mutations responsible for
    diseases such as that in the ?-globin gene of
    Sickle Cell Anemia. While transfection of linear
    and plasmid DNA into human cells is
    well-established, this is not so for single
    strands 20-40 residues long, as required for gene
    mutation correction. After exploring many
    transfection reagents, one was found that is
    effective and non-toxic. To monitor their entry
    into cells, the strands were labeled with the
    fluors FITC or TMR. Probe strands with 5
    psoralen and 3 fluor termini were transfected
    into cells, and observed to enter nuclei rapidly.
    After 23 hours, colchicine was added to halt cell
    progression in metaphase an hour later UVA light
    was used to covalently link the probes wherever
    they might be bound. After bursting the cells in
    hypotonic solution, their chromosomes were spread
    on slides and examined by confocal microscopy.
    Using probes specific to centromeric sequences of
    chromosomes 11 and 17, and to the ?-globin gene
    in chromosome 11 and the Her2/neu and Topo2 genes
    in chromosome 17, highly specific probe binding
    to the correct chromosome centromeric and arm
    regions was observed. Transfection kinetics and
    efficiency were determined using fluorescence
    activated cell sorting.

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Plan A Story For The Viewer
  • the context - what, why, how
  •  the results and analysis 
  • the importance of the results

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  • An effective poster is ...
  • Focused Focused on a single message.
  • Graphic Lets graphs and images tell the story
    uses text sparingly.
  • Ordered Keeps the sequence well-ordered and
    obvious.

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Academic Study
  • How do you get acceptance
  • USA
  • Germany
  • Israil
  • Holland
  • EU Universities or inst.

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Exams and Others
  • GPA
  • GRE
  • TOEFL (IBT)
  • CV
  • SAP
  • References
  • Publication

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What can you be after PhD
  • Dr.
  • Assist. Prof
  • Assoc. Prof
  • Prof.
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