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This Week in Cancer


The levels of circulating endothelial cell progenitors and CXCR4-positive circulating endothelial cells in the blood are correlated with prognosis after bevacizumab combination chemotherapy in people with metastatic colorectal cancer, report researchers from the Japanese Foundation for Cancer Research in the September issue of Cancer. The researchers analyzed whole blood samples from 69 people with metastatic colorectal cancer that were taken before treatment and on days 4 and 14 of treatment, and were analyzed using flow cytometry. Their findings suggest "that these surrogate markers may play a core role in the selection of candidates for bevacizumab treatment," the researchers write.

In the same issue, Joobae Park and colleagues at the Sungkyunkwan University School of Medicine, in Seoul, South Korea write that a SNP, rs769236, found near the CCNA2 promoter is associated with an increased risk of some cancers. The researchers analyzed 45 SNPs found in cyclins and cyclin-dependent kinases in 106 lung cancers and 108 controls, and one SNP, rs769236, was analyzed in 1,989 cancer cases (those cases included breast, colorectal, gastric, hepatocellular carcinomas, and lung cancers) and in 1096 controls. They found that the SNP was associated with increased risk of colon, liver, and lung cancers.

In an online article in Cancer, University of Texas MD Anderson Cancer Center researchers say that the benefit of endocrine therapy in triple negative breast cancer patients is unclear. In their retrospective study, the researchers divided 1,257 patients into three groups based on their ER/PR percentages and determined the groups' three-year recurrence-free survival and overall survival rate."In this cohort, a low ER/PR level (1%-5%) does not appear to have any significant impact on survival outcomes," they write. The researchers also note that "endocrine therapy had no impact on survival outcomes among groups."

The Scan

Comfort of Home

The Guardian reports that AstraZeneca is to run more clinical trials from people's homes with the aim of increasing participant diversity.

Keep Under Control

Genetic technologies are among the tools suggested to manage invasive species and feral animals in Australia, Newsweek says.

Just Make It

The New York Times writes that there is increased interest in applying gene synthesis to even more applications.

Nucleic Acids Research Papers on OncoDB, mBodyMap, Genomicus

In Nucleic Acids Research this week: database to analyze large cancer datasets, human body microbe database, and more.