Fluid biopsy in patients with metastatic prostate, pancreatic and breast cancers.

Fluid biopsy in patients with metastatic prostate, pancreatic and breast cancers.
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DOI:
10.1088/1478-3975/9/1/016003
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发表时间:
2012-02
期刊:
影响因子:
2
通讯作者:
Kuhn P
Kuhn P
中科院分区:
生物学4区
文献类型:
--
作者:
Marrinucci D;Bethel K;Kolatkar A;Luttgen MS;Malchiodi M;Baehring F;Voigt K;Lazar D;Nieva J;Bazhenova L;Ko AH;Korn WM;Schram E;Coward M;Yang X;Metzner T;Lamy R;Honnatti M;Yoshioka C;Kunken J;Petrova Y;Sok D;Nelson D;Kuhn P

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Hematologic spread of carcinoma results in incurable metastasis; yet, the basic characteristics and travel mechanisms of cancer cells in the bloodstream are unknown. We have established a fluid phase biopsy approach that identifies circulating tumor cells (CTCs) without using surface protein-based enrichment and presents them in sufficiently high definition (HD) to satisfy diagnostic pathology image quality requirements. This “HD-CTC” assay finds >5 HD-CTCs/mL of blood in 80% of patients with metastatic prostate cancer (n=20), in 70% of patients with metastatic breast cancer (n=30), in 50% of patients with metastatic pancreatic cancer (n=18), and in 0% of normal controls (n=15). Additionally, it finds HD-CTC clusters ranging from 2 HDCTCs to greater than 30 HD-CTCs in the majority of these cancer patients. This initial validation of an enrichment-free assay demonstrates our ability to identify significant numbers of HD-CTCs in a majority of patients with prostate, breast and pancreatic cancers.
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