Asian Pacific Journal of Cancer Prevention

  • 제17권6호
  • /
  • Pages.2989-2993
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  • 2016
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  • 1513-7368(pISSN)
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  • 2476-762X(eISSN)
아시아태평양암예방학회 (Asian Pacific Journal of Cancer Prevention)
권호 표지

Circulating DNA in Egyptian Women with Breast Cancer

  • Ibrahim, Iman Hassan (Biochemistry Department, Faculty of Pharmacy for Girls -Al Azhar University) ;
  • Kamel, Mahmoud M (Clinical Pathology Department, National Cancer Institute, Cairo University) ;
  • Ghareeb, Mohamed (Department of Medical Oncology, National Cancer Institute, Cairo University)
  • 발행 : 2016.06.01
⟨ 이전 논문 다음 논문 ⟩

초록

The commonest cancer in Egyptian females occurs in the breast cfDNA is a non-invasive marker for tumor detetion and prognostic assessment in many types of cancer including breast cancer. This study aimed to assess the role of cfDNA and its fragmentation pattern in breast cancer prognosis and treatment response. Forty female patients with malignant breast tumors and a comparable group of healthy blood donors were enrolled prospectively. cfDNA levels and fragmentation patterns were investigated after cfDNA extraction, gel electrophoresis and gel analysis. The percentage of breast cancer patients positive for cfDNA (92.5%) was significantly higher than that of controls (55%). Also, mean concentration of cfDNA was significantly higher than in the control group (P<0.05). Most Her-2 positive patients had long cfDNA fragments, this being significant as compared to Her-2 negative patients (P<0.05). Metastasis was also positively linked to significantly higher cfDNA (P<0.05) and the mean cfDNA integrity index was significantly higher in non-responders compared to treatment responders (P<0.05). In conclusion, both qualitative and quantitative aspects of cfDNA and its different fragments in breast cancer patients could be related to prognosis, metastasis and treatment response. Long cfDNA fragments could be particularly useful for prediction purposes.

키워드

참고문헌

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