Breast cancer cell-derived fibroblast growth factor 2 and vascular endothelial growth factor are chemoattractants for bone marrow stromal stem cells

Edmond F Ritter, Adam Perry, Jack C Yu, Thomas Wang, Lawton Tang, Erhard Bieberich

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32 Citations (Scopus)

Abstract

OBJECTIVE: Recent efforts by the scientific community to characterize the complex interplay between different cell types involved in the development of tumors have led us to investigate the roles of vascular endothelial growth factor (VEGF) and fibroblast growth factor 2 (FGF2) in the development of breast cancer. METHODS: Using modified Boyden chamber assays, we measured the in vitro migration effect on murine mesenchymal stem cells (MSCs). Additionally, we assayed for the presence of receptors for these growth factors on MSCs, and for the presence of VEGF and FGF2 in breast cancer-conditioned media. We measured the change in migration of MSCs toward breast cancer when we depleted these growth factors from breast cancer-conditioned media. Further, we conducted a series of standard curve migration assays for basal media supplemented with physiologic concentrations of VEGF and FGF2. RESULTS: Analysis of gene expression and protein analysis demonstrated the expression of FGF2 and VEGF by the breast cancer cells, and the presence of VEGF (FLK1) and FGF2 receptors on the MSCs. We also demonstrated a reduction in migration when we antibody-depleted VEGF and FGF2 from breast cancer-conditioned media. Additionally, we found the physiologic concentrations of VEGF and FGF2 at 12 and 15 ng/mL, respectively. CONCLUSIONS: We demonstrate that VEGF and FGF2 induce migration of MSCs are secreted by breast cancer cells, their receptors are present on MSCs, and depletion of these growth factors reduces migration, and are therefore 2 relevant growth factors for MSC migration toward breast cancer cells.

Original languageEnglish (US)
Pages (from-to)310-314
Number of pages5
JournalAnnals of Surgery
Volume247
Issue number2
DOIs
StatePublished - Feb 1 2008

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Chemotactic Factors
Fibroblast Growth Factor 2
Mesenchymal Stromal Cells
Vascular Endothelial Growth Factor A
Stem Cells
Breast Neoplasms
Conditioned Culture Medium
Intercellular Signaling Peptides and Proteins
Receptor, Fibroblast Growth Factor, Type 2
Growth Factor Receptors
Cell Movement
Gene Expression
Antibodies

ASJC Scopus subject areas

  • Surgery

Cite this

Breast cancer cell-derived fibroblast growth factor 2 and vascular endothelial growth factor are chemoattractants for bone marrow stromal stem cells. / Ritter, Edmond F; Perry, Adam; Yu, Jack C; Wang, Thomas; Tang, Lawton; Bieberich, Erhard.

In: Annals of Surgery, Vol. 247, No. 2, 01.02.2008, p. 310-314.

Research output: Contribution to journalArticle

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