Abstract：
BACKGROUND:Only a small proportion of patients respond to anti-VEGF therapy, pressing the need for a reliable biomarker that can identify patients who will benefit. We studied the biological activity of anti-VEGF antibodies in patients' blood during anti-VEGF therapy by using the Ba/F3-VEGFR2 cell line, which is dependent on VEGF for its growth. METHODS:Serum samples from 22 patients with cancer before and during treatment with bevacizumab were tested for their effect on proliferation of Ba/F3-VEGFR2 cells. Vascular endothelial growth factor as well as bevacizumab concentrations in serum samples from these patients were determined by enzyme linked immunosorbent assay (ELISA). RESULTS:The hVEGF-driven cell proliferation was effectively blocked by bevacizumab (IC50 3.7 μg ml-1; 95% CI 1.7-8.3 μg ml-1). Cell proliferation was significantly reduced when patients' serum during treatment with bevacizumab was added (22-103% inhibition compared with pre-treatment). Although bevacizumab levels were not related, on-treatment serum VEGF levels were correlated with Ba/F3-VEGFR2 cell proliferation. CONCLUSIONS:We found that the neutralising effect of anti-VEGF antibody therapy on the biological activity of circulating VEGF can be accurately determined with a Ba/F3-VEGFR2 bioassay. The value of this bioassay to predict clinical benefit of anti-VEGF antibody therapy needs further clinical evaluation in a larger randomised cohort.
journal_name
Br J Cancerjournal_title
British journal of cancerauthors
Wentink MQ,Broxterman HJ,Lam SW,Boven E,Walraven M,Griffioen AW,Pili R,van der Vliet HJ,de Gruijl TD,Verheul HMdoi
10.1038/bjc.2016.275subject
Has Abstractpub_date
2016-10-11 00:00:00pages
940-948issue
8eissn
0007-0920issn
1532-1827pii
bjc2016275journal_volume
115pub_type
杂志文章abstract：:Obesity has been associated with an increased risk of renal cell cancer among women, while the evidence for men is considered weaker. We conducted a quantitative summary analysis to evaluate the existing evidence that obesity increases the risk of renal cell cancer both among men and women. We identified all studies e...
journal_title：British journal of cancer
pub_type： 杂志文章,meta分析
doi：10.1054/bjoc.2001.2040
更新日期：2001-09-28 00:00:00
abstract：:Gap junctions provide a route for small molecules to pass directly between cells. Toxic species may spread through junctions into 'bystander' cells, which may be exploited in chemotherapy and radiotherapy. However, this may be prevented by junction closure, and therefore an understanding of the dose-dependency of inhi...
journal_title：British journal of cancer
pub_type： 杂志文章
doi：10.1038/sj.bjc.6601686
更新日期：2004-04-05 00:00:00
abstract：:There is evidence that patients living in outlying areas have poorer survival from cancer. This study set out to investigate whether they have more advanced disease at diagnosis. Case notes of 1323 patients in north and northeast Scotland who were diagnosed with lung or colorectal cancer in 1995 or 1996 were reviewed....
journal_title：British journal of cancer
pub_type： 杂志文章
doi：10.1054/bjoc.2000.1708
更新日期：2001-04-06 00:00:00
abstract：:Ovarian cancer is the fifth leading cause of female cancer deaths in the Western world. Significant progress has been made in the treatment of patients with ovarian cancer, however, the majority of patients experience disease recurrence and new therapies are being sought for such patients. Clinical investigation of po...
journal_title：British journal of cancer
pub_type： 杂志文章,评审
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journal_title：British journal of cancer
pub_type： 临床试验,杂志文章
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abstract：BACKGROUND:Aspirin use has been shown to lower incidence and mortality in cancer patients. The aim of this population-based study was to determine the effect of postdiagnosis low-dose aspirin use on survival of patients with oesophageal cancer. METHODS:Patients with oesophageal cancer (1998-2010) were selected from th...
journal_title：British journal of cancer
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pub_type： 杂志文章
doi：10.1038/bjc.1998.320
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pub_type： 杂志文章
doi：10.1038/sj.bjc.6690752
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pub_type： 杂志文章
doi：10.1038/sj.bjc.6690768
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pub_type： 杂志文章
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journal_title：British journal of cancer
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abstract：:Hepatocellular carcinoma (HCC) is one of the most malignant human tumours because of its high incidence of metastasis. The mechanisms underlying the metastasis of HCC, however, remain poorly understood. In this study, we performed cDNA microarray analysis to profile gene expression patterns in two subtypes of HCC, sol...
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pub_type： 杂志文章
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更新日期：1993-05-01 00:00:00
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journal_title：British journal of cancer
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pub_type： 杂志文章,评审
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journal_title：British journal of cancer
pub_type： 杂志文章
doi：10.1038/bjc.2013.243
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pub_type： 临床试验,杂志文章,随机对照试验
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journal_title：British journal of cancer
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journal_title：British journal of cancer
pub_type： 杂志文章
doi：10.1038/bjc.1971.91
更新日期：1971-12-01 00:00:00
