Bradykinin stimulates cell proliferation through an extracellular-regulated kinase 1 and 2-dependent mechanism in breast cancer cells in primary culture

S. Greco, M. G. Elia, A. Muscella, S. Romano, C. Storelli, Santo Marsigliante

Research output: Contribution to journalArticle

Abstract

We have previously reported that bradykinin (BK) represents an influential mitogenic agent in normal breast glandular tissue. We here investigated the mitogenic effects and the signalling pathways of BK in primary cultured human epithelial breast cells obtained from a tumour and from the histologically proven non-malignant tissue adjacent to the tumour. BK provoked cell proliferation, increase in cytosolic calcium, activation of protein kinase C (PKC)-α, -β, -δ, -ε and -η and phosphorylation of the extracellular-regulated kinases 1 and 2 (ERK1/2). The following compounds blocked the proliferative effects of BK: Hyp3-BK, a B2 receptor subtype inhibitor; U73122, a phospholipase C-β inhibitor; GF109203X, a protein kinase C (PKC) inhibitor; and PD98059, a mitogen-activated protein kinase kinase inhibitor. Gö6976, a Ca2+-dependent PKC inhibitor, did not have any effect. In conclusion, the mitogenic effects of BK are retained in peritumour and tumour cells; hence, it is likely that BK has an important role in cancer endorsement and progression.

Original languageEnglish
Pages (from-to)291-301
Number of pages11
JournalJournal of Endocrinology
Volume186
Issue number2
DOIs
Publication statusPublished - Aug 2005

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Primary Cell Culture
Bradykinin
Phosphotransferases
Cell Proliferation
Breast Neoplasms
Protein Kinase C
Protein C Inhibitor
Protein Kinase Inhibitors
Neoplasms
Breast
Bradykinin B2 Receptors
Mitogen-Activated Protein Kinase Kinases
Type C Phospholipases
Epithelial Cells
Phosphorylation
Calcium

ASJC Scopus subject areas

  • Endocrinology

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Bradykinin stimulates cell proliferation through an extracellular-regulated kinase 1 and 2-dependent mechanism in breast cancer cells in primary culture. / Greco, S.; Elia, M. G.; Muscella, A.; Romano, S.; Storelli, C.; Marsigliante, Santo.

In: Journal of Endocrinology, Vol. 186, No. 2, 08.2005, p. 291-301.

Research output: Contribution to journalArticle

Greco, S. ; Elia, M. G. ; Muscella, A. ; Romano, S. ; Storelli, C. ; Marsigliante, Santo. / Bradykinin stimulates cell proliferation through an extracellular-regulated kinase 1 and 2-dependent mechanism in breast cancer cells in primary culture. In: Journal of Endocrinology. 2005 ; Vol. 186, No. 2. pp. 291-301.
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