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Expression of Bcl-2 family member bid in normal and malignant tissues

  1. Author:
    Krajewska, M.
    Zapata, J. M.
    Meinhold-Heerlein, I.
    Hedayat, H.
    Monks, A.
    Bettendorf, H.
    Shabaik, A.
    Bubendorf, L.
    Kallioniemi, O. P.
    Kim, H.
    Reifenberger, G.
    Reed, J. C.
    Krajewski, S.
  2. Author Address

    Burnham Inst, Program Apoptosis & Cell Death Regulat, 10901 N Torrey Pines Rd, La Jolla, CA 92037 USA. Burnham Inst, Program Apoptosis & Cell Death Regulat, La Jolla, CA 92037 USA. SAIC Frederick Inc, MCI Frederick, Frederick, MD 21702 USA. Univ Calif Davis, Dept Pathol, Davis, CA 95616 USA. Univ Basel, Inst Pathol, CH-4051 Basel, Switzerland. NHGRI, Canc Genet Lab, NIH, Bethesda, MD 20892 USA. Yonsei Univ, Coll Med, Dept Pathol, Seoul 120749, South Korea. Univ Dusseldorf, Dept Neuropathol, D-40225 Dusseldorf, Germany. Krajewska M Burnham Inst, Program Apoptosis & Cell Death Regulat, 10901 N Torrey Pines Rd, La Jolla, CA 92037 USA.
    1. Year: 2002
  1. Journal: Neoplasia
    1. 4
    2. 2
    3. Pages: 129-140
  2. Type of Article: Article
  1. Abstract:

    Bid is the only known Bcl-2 family member that can function as an agonist of proapoptotic Bcl-2-related proteins such as Bax and Bak. Expression of the proapoptotic Bcl-2 family protein Bid was assessed by immunoblotting and immunohistochemical methods in normal murine and human tissues, and in several types of human cancers and tumor cell lines. Bid expression in normal tissues varied widely, with prominent Bid immunostaining occurring in several types of short-lived cells (e.g., germinal center B cells, peripheral blood granulocytes, differentiated keratinocytes) and in apoptosis-sensitive cells (e.g., adult neurons). Analysis of Bid expression by immunostaining of 100 colon, 95 ovarian, and 254 prostate cancers, as well as 59 brain tumors and 50 lymphomas, revealed evidence of altered Bid regulation in some types of cancers. Correlations with clinical outcome data revealed association of higher levels of Bid with longer recurrence-free survival in men with locally advanced (T3 stage) prostate cancer(P=0.04). Immunoblot analysis of Bid protein levels in the NCl's panel of 60 human tumor cell lines revealed a correlation between higher levels of Bid and sensitivity to ribonucleotide reductase (RR)-inhibiting drugs (P<0.0005). Overexpression of Bid in a model tumor cell line by gene transfection resulted in increased sensitivity to apoptosis induction by a RR inhibitor. Taken together, these observations suggest a potential role for Bid in tumor responses to specific chemotherapeutic drugs, and lay a foundation for future investigations of this member of the Bcl- 2 family in healthy and diseased tissues.

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