Ung thư tuyến tiền liệt độc lập với androgen là một nhóm bệnh không đồng nhất

American Association for Cancer Research (AACR) - Tập 64 Số 24 - Trang 9209-9216 - 2004
Rajal B. Shah1,2,3, Rohit Mehra1, Arul M. Chinnaiyan1,2,3, Ronglai Shen4, Debashis Ghosh4, Ming Zhou1, Gary R. MacVicar5, Sooryanarayana Varambally1, Jason Harwood1, Tarek A. Bismar6, Robert Kim6, Mark A. Rubin6,7,8, Kenneth J. Pienta5,2,3
11Pathology, Departments of
23Urology, and
3Urology, and
44Biostatistics, University of Michigan School of Medicine, Ann Arbor, Michigan;
52Medical Oncology,
65Department of Pathology, Brigham and Women’s Hospital, Boston, Massachusetts;
76Department of Pathology, Dana Farber Cancer Institute, Boston, Massachusetts; and
87Department of Pathology, Harvard Medical School, Boston, Massachusetts

Tóm tắt

Tóm tắt Hiểu biết về sinh học của sự di căn ung thư tuyến tiền liệt đã bị hạn chế bởi sự thiếu hụt mô để nghiên cứu. Chúng tôi đã nghiên cứu dữ liệu lâm sàng, phân bố sự tham gia của ung thư tuyến tiền liệt, hình thái, kiểu hình miễn dịch và biểu hiện gen từ 30 trường hợp tự nghiệm nhanh của những người đàn ông tử vong do ung thư tuyến tiền liệt kháng hormone. Một vi mạch mô đã được xây dựng và đánh giá định lượng về biểu hiện của kháng nguyên đặc hiệu cho tuyến tiền liệt, thụ thể androgen, chromogranin, synaptophysin, MIB-1 và các dấu hiệu α-methylacylCoA-racemase. Phân cụm phân cấp của 16 mẫu khối u tự nghiệm nhanh đã được thực hiện để đánh giá mô hình biểu hiện cDNA liên quan đến hình thái. Các so sánh đã được thực hiện giữa các bệnh nhân cũng như trong cùng một bệnh nhân. Ung thư tuyến tiền liệt kháng hormone di căn có hình thái, kiểu hình miễn dịch và kiểu gen không đồng nhất, cho thấy rằng "bệnh di căn" là một tập hợp các bệnh ngay cả trong cùng một bệnh nhân. Sự đánh giá sự không đồng nhất này là rất quan trọng để đánh giá các dấu hiệu sinh học chẩn đoán và tiên lượng cũng như để thiết kế các mục tiêu điều trị cho bệnh giai đoạn muộn.

Từ khóa


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