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Clin Transl Oncol. 2013 Nov;15(11):897-902. doi: 10.1007/s12094-013-1020-6. Epub 2013 Mar 5.

VEGF and TSP1 levels correlate with prognosis in advanced non-small cell lung cancer.

Author information

  • 1Department of Medical Oncology, Hospital Clínico Universitario de Valencia, Avda Blasco Ibañez 17, 46010, Valencia, Spain, tfleitask@gmail.com.

Abstract

PURPOSE:

There is a need for biomarkers that may help in selecting the most effective anticancer treatments for each patient. We have investigated the prognostic value of a set of angiogenesis, inflammation and coagulation markers in patients treated for advanced non-small cell lung cancer.

PATIENTS AND METHODS:

Peripheral blood samples were obtained from 60 patients before first line platinum-based chemotherapy ± bevacizumab, and after the third cycle of treatment. Blood samples from 60 healthy volunteers were also obtained as controls. Angiogenesis, inflammation and coagulation markers vascular endothelial growth factor (VEGF), their soluble receptors 1 (VEGFR1) and 2 (VEGFR2), thrombospondin-1 (TSP-1), interleukin-6 (IL6), sialic acid (SA) and tissue factor (TF) were quantified by ELISA.

RESULTS:

Except for TSP-1, pre- and post-treatment levels of all markers were higher in patients than in controls (p < 0.05). There was a positive and significant correlation between VEGF and VEGFR2 before treatment. VEGF also correlated with inflammatory markers IL-6 and SA. Moreover, there was a positive and significant correlation between levels of VEGFR1 and TF. Decreased levels of TSP-1 and increased levels of VEGF were associated with shorter survival. Bevacizumab significantly modified angiogenesis parameters and caused a decrease of VEGF and an increase of TSP-1.

CONCLUSION:

Angiogenesis, inflammation and coagulation markers were increased in NSCLC patients. Increased levels of VEGF and low levels of TSP-1 correlated with a poor prognosis.

PMID:
23463593
[PubMed - indexed for MEDLINE]
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