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Data on breast cancer detailed by researchers at University of Maryland.

Women's Health Weekly

| September 04, 2008 | COPYRIGHT 2008 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

According to a study from the United States, "A negative selection method for the enumeration and characterization of circulating epithelial/cancer cells (CCC) in Breast Cancer (BC) patients is described. This manual procedure yields reproducible results of high sensitivity and selectivity suitable for research laboratories."

"We conducted a prospective blood sampling study in 105 women with stage 1-4 BC attending clinics at the University of Maryland Greenebaum Cancer Center to define the prevalence of CCC utilizing our sensitive double gradient centrifugation and magnetic cell sorting CCC detection and enumeration method. CCC were isolated and enumerated from 15 to 20 ml of venous blood drawn before the start of systemic therapy and periodically thereafter for up to 24 months. One or more CCC/sample was considered a positive result. We analyzed 487samples for the presence of CCC; the median number of samples/patient was 4 (range 1-8). CCC were detected in 56% of patients, 19%-stage 1; 43%-stage 2; 46%-stage 3; 83%-stage 4. The probability of being positive for the presence of CCC is significantly associated with the stage of cancer (P

The researchers concluded: "Our CCC test based on the negative selection procedure may provide valuable prognostic information."

Tkaczuk and colleagues published their study in Breast Cancer Research and Treatment (The significance of circulating epithelial cells in Breast Cancer ...

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