Journal
EUROPEAN JOURNAL OF CANCER
Volume 42, Issue 11, Pages 1581-1590Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ejca.2006.02.017
Keywords
multiple myeloma; angiogenesis; bone marrow; microenvironment; endothelial cells; cytokines; bFGF; VEGF; HGF
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Multiple myeloma (MM) was the first haematological malignancy in which a prognostic relevance of bone marrow microvessel density (MVD) was shown. Myeloma-induced angiogenesis involves either the direct production of angiogenic molecules by myeloma cells or their induction in bone marrow stromal cells or endothelial cells (EC). Recent data demonstrate an increased angiogenic potential and a paracrine stimulatory effect of bone marrow EC on plasma cells (PC) in MM. Soluble angiogenic factors are elevated in bone marrow (BM) and in peripheral blood samples from myeloma patients. Furthermore, correlation with disease stage and prognosis was shown for serum levels of the angiogenic factors basic fibroblast growth factor (bFGF), hepatocyte growth factor (HGF) and vascular endothelial growth factor (VEGF). In this review we summarize recent data which give strong evidence for an increased angiogenic activity in bone marrow microenvironment and support the hypothesis that angiogenesis is not only an epiphenomenon of tumour growth but may also promote PC growth in MM. (c) 2006 Elsevier Ltd. All rights reserved.
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