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Clinical and Experimental Medicine

, Volume 8, Issue 3, pp 141–145 | Cite as

Serum levels of angiogenic cytokines decrease after radiotherapy in non-Hodgkin lymphomas

  • Roberto RiaEmail author
  • Teresa Cirulli
  • Teresa Giannini
  • Santa Bambace
  • Gabriella Serio
  • Maurizio Portaluri
  • Domenico Ribatti
  • Angelo Vacca
  • Franco Dammacco
Original Article

Abstract

Purpose

Serum levels of angiogenic cytokines decrease after radiotherapy in patients with cancer, and this may be relevant for treatment response and progression-free survival. Herein, we set out to determine whether circulating fibroblast growth factor-2 (FGF-2), vascular endothelial growth factor (VEGF), hepatocyte growth factor (HGF) and platelet-derived growth factor-β (PDGF-β) decrease after radiotherapy in patients with non-Hodgkin lymphomas (NHLs) and if so, whether their decrease correlates with age, tumour histotype and stage, and radiation dose.

Material and methods

The serum levels of FGF-2, VEGF, HGF and PDGF-β were evaluated before and after radiotherapy by an enzyme-linked immunosorbent assay (ELISA). These levels were correlated both reciprocally and with age, histotype, stage and radiation dose.

Results

After radiotherapy, FGF-2, VEGF and PDGF-β, but not HGF, significantly decreased in relation to the radiation dose and response. No correlation was established between cytokine levels, except for VEGF and PDGF-β, which decreased in parallel. Haemoglobin levels did not decrease after radiotherapy, while FGF-2, VEGF, HGF and PDGF-β levels did not correlate with age, NHL stage and histotype.

Conclusions

Soluble FGF-2, VEGF and PDGF-β levels decline after radiotherapy in NHLs, and may have predictive significance for response to treatment and recurrence.

Keywords

Angiogenesis Cytokines Non-Hodgkin lymphoma Prognosis Radiotherapy 

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  • Roberto Ria
    • 1
    Email author
  • Teresa Cirulli
    • 1
  • Teresa Giannini
    • 1
  • Santa Bambace
    • 2
  • Gabriella Serio
    • 3
  • Maurizio Portaluri
    • 2
  • Domenico Ribatti
    • 4
  • Angelo Vacca
    • 1
  • Franco Dammacco
    • 1
  1. 1.Department of Biomedical Sciences and Human Oncology, Section of Internal MedicineUniversity of Bari Medical SchoolBariItaly
  2. 2.Operative Unit of RadiotherapyDi Summa General HospitalBrindisiItaly
  3. 3.Department of Biomedical Sciences and Human Oncology, Section of Medical StatisticsUniversity of Bari Medical SchoolBariItaly
  4. 4.Department of Human AnatomyUniversity of Bari Medical SchoolBariItaly

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