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Email

gretchen.poortinga@unimelb.edu.au

Credentials


Position
Honorary (Senior Fellow)
The Sir Peter MacCallum Department of Oncology

Dr Gretchen Poortinga

Honorary (Senior Fellow)
The Sir Peter MacCallum Department of Oncology

51 Scholarly works
1 Projects

HIGHLIGHTS

  • 2024

    Journal article

    CX-5461 Preferentially Induces Top2α-Dependent DNA Breaks at Ribosomal DNA Loci
    DOI: 10.3390/biomedicines12071514
  • 2024

    Journal article

    Targeting the ribosome to treat multiple myeloma
    DOI: 10.1016/j.omton.2024.200771
  • 2020

    Journal article

    Reprogrammed mRNA translation drives resistance to therapeutic targeting of ribosome biogenesis
    DOI: 10.15252/embj.2020105111
  • 2020

    Journal article

    rDNA Chromatin Activity Status as a Biomarker of Sensitivity to the RNA Polymerase I Transcription Inhibitor CX-5461
    DOI: 10.3389/fcell.2020.00568
  • 2020

    Conference Proceedings

    Inhibition of RNA polymerase I transcription activates targeted DNA damage response and enhances the efficacy of PARP inhibitors in high-grade serous ovarian cancer.
    DOI: 10.1158/1557-3265.ovca19-pr13
  • 2020

    Journal article

    CX-5461 activates the DNA damage response and demonstrates therapeutic efficacy in high-grade serous ovarian cancer
    DOI: 10.1038/s41467-020-16393-4
  • 2019

    Journal article

    Changes in long-range rDNA-genomic interactions associate with altered RNA polymerase II gene programs during malignant transformation
    DOI: 10.1038/s42003-019-0284-y
Gretchen Poortinga

RECENT SCHOLARLY WORKS

  • 2019

    Conference Proceedings

    The Ribosomal Biogenesis Inhibitor CX-5461 Is an Anti-Cancer Therapeutic That Increases Platelet Count in Mice and in Humans
    DOI: 10.1182/blood-2019-121713
  • 2019

    Journal article

    Regulation of PRMT5-MDM4 axis is critical in the response to CDK4/6 inhibitors in melanoma
    DOI: 10.1073/pnas.1901323116
  • 2019

    Journal article

    First-in-human RNA polymerase I transcription inhibitor CX-5461 in patients with advanced hematologic cancers: Results of a phase I dose-escalation study
    DOI: 10.1158/2159-8290.CD-18-1455

RECENT PROJECTS

  • 2016

    Research Grant

    Elucidating Mechanisms of Resistance to Therapeutic Inhibition of Rna Polymerase I Transcription

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