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Updated: Feb 12, 2026

Orthotopic Transplantation of Breast Tumors as Preclinical Models for Breast Cancer
07:45

Orthotopic Transplantation of Breast Tumors as Preclinical Models for Breast Cancer

Published on: May 18, 2020

7.1K

Making Breast Tumors Tamoxifen-Sensitive

    Cancer Discovery
    |March 30, 2018
    PubMed

    Insights

    Disrupting platelet-derived growth factor signaling may transform basal-like breast tumors into a subtype responsive to antiestrogen therapies. This offers a novel treatment strategy for difficult-to-treat breast cancers.

    Area of Science:

    • Oncology
    • Molecular Biology
    • Cancer Research

    Background:

    • Basal-like breast tumors represent an aggressive subtype often lacking effective targeted therapies.
    • Platelet-derived growth factor (PDGF) signaling is implicated in various cancer progressions.
    • Tumor subtype plasticity is a critical factor in treatment resistance.

    Discussion:

    • This study investigates the potential of targeting platelet-derived growth factor (PDGF) signaling as a therapeutic strategy for basal-like breast cancer.
    • Researchers explored methods to disrupt PDGF signaling, including genetic manipulation and antibody-based blockade.
    • The study observed a phenotypic switch in basal-like tumors towards the luminal subtype upon PDGF pathway inhibition.

    Key Insights:

    • Disrupting PDGF signaling can induce a transition from basal-like to luminal breast tumor subtypes.
    • The luminal subtype is known to be sensitive to established antiestrogen therapies.
    • This subtype plasticity presents a promising avenue for treating previously resistant breast cancers.

    Outlook:

    • Further research is warranted to validate these findings in clinical settings.
    • This strategy could potentially overcome resistance to current breast cancer treatments.
    • Targeting PDGF signaling may offer a new therapeutic paradigm for basal-like breast cancer patients.

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