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Related Experiment Videos

VIP and breast cancer

T W Moody1, J Leyton, I Gozes

  • 1Medicine Branch, National Cancer Institute, Rockville, Maryland, USA.

Annals of the New York Academy of Sciences
|February 3, 1999
PubMed
Summary

Vasoactive intestinal peptide (VIP) receptor 1 (VIPR1) is found in breast cancer cells. Targeting VIPR1 with antagonists or imaging agents may offer new strategies for breast cancer detection and treatment.

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Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Vasoactive intestinal peptide (VIP) is implicated in various cellular processes.
  • VIP receptor 1 (VIPR1) expression has been observed in breast cancer.
  • VIP signaling pathways can influence cancer cell behavior, including proliferation and gene expression.

Purpose of the Study:

  • To investigate the role of VIPR1 in breast cancer.
  • To explore VIPR1 as a potential therapeutic target for breast cancer.
  • To evaluate VIPR1-based strategies for breast cancer diagnosis and treatment.

Main Methods:

  • Detection of VIPR1 expression in breast cancer cells (MCF-7).
  • Assessment of VIP-induced intracellular signaling (cAMP elevation) and oncogene expression.
  • Evaluation of a VIPR1 antagonist (VIPhybrid) on breast cancer cell proliferation.
  • Development of a VIP analog for potential tumor imaging.

Main Results:

  • VIPR1 is confirmed to be present in breast cancer cells.
  • VIP stimulation leads to increased cAMP levels and nuclear oncogene expression in MCF-7 cells.
  • VIPhybrid effectively inhibits breast cancer cell proliferation.
  • A VIP analog suitable for breast tumor imaging has been developed.

Conclusions:

  • VIPR1 plays a significant role in breast cancer progression.
  • VIPR1 represents a promising target for novel breast cancer therapies.
  • VIPR1-based approaches hold potential for early breast cancer detection and targeted treatment.

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