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Träfflista för sökning "WFRF:(Takayama J.) srt2:(2000-2004)"

Sökning: WFRF:(Takayama J.) > (2000-2004)

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  • Sjostrom, J, et al. (författare)
  • The predictive value of bcl-2, bax, bcl-xL, bag-1, fas, and fasL for chemotherapy response in advanced breast cancer
  • 2002
  • Ingår i: Clinical Cancer Research. - 1078-0432. ; 8:3, s. 811-816
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: The purpose was to evaluate the utility of some bcl-2 family proteins fas and fasL as predictive indicators for chemotherapy response in advanced breast cancer. Experimental Design: Between October 1994 and October 1997, 283 patients with advanced breast cancer were included in a multicenter randomized study comparing docetaxel (D) to sequential methotrexate and 5-fluorouracil (MF) after anthracycline failure. The response rates (complete response + partial response) were 42 and 21% in the D and MF arms, respectively (P < 0.001). In 126 patients, histological blocks of primary tumors were available for inummohistochemical analysis of bax, bcl-2, bcl-xL, bag-1, fas and fasL. Results: Of the investigated factors, bag-1 correlated positively with bax, bcl-2, and fasL, and fasL correlated positively with fas and bax. None of these apoptosis-related factors was associated with a response to chemotherapy either in the whole patient population or in the D or MF arms. Interestingly, low bcl-2 expression was associated with shorter time to progression (P = 0.02) and shorter overall survival (OS; P = 0.001). High fasL expression showed a trend toward shorter OS. In multivariate backwards stepwise Cox analysis, in which histological grade and estrogen receptor status (ER) were also included, bcl-2 (P = 0.01) and fasL (P = 0.005) remained highly significantly associated with OS, whereas histological grade and ER lost their significance. Conclusions: None of the investigated apoptosis-related factors of primary tumor could predict the later response to either D or MF treatment. However, fasL and bcl-2 were strong prognostic factors. Patients who had tumors with high fasL and low bcl-2 expression had the shortest OS.
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Blomqvist, C (2)
Bengtsson, NO (2)
Wist, E (2)
Sjostrom, J. (2)
Reed, JC (2)
Mjaaland, I. (2)
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Valvere, V. (2)
von Boguslawski, K (2)
Saksela, E (2)
Ostenstadt, B (2)
Takayama, S (2)
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