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The predictive valu...
The predictive value of bcl-2, bax, bcl-xL, bag-1, fas, and fasL for chemotherapy response in advanced breast cancer
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Sjostrom, J (författare)
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Blomqvist, C (författare)
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von Boguslawski, K (författare)
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Bengtsson, NO (författare)
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Mjaaland, I (författare)
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- Malmström, Per (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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Ostenstadt, B (författare)
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Wist, E (författare)
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Valvere, V (författare)
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Takayama, S (författare)
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Reed, JC (författare)
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Saksela, E (författare)
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(creator_code:org_t)
- 2002
- 2002
- Engelska.
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Ingår i: Clinical Cancer Research. - 1078-0432. ; 8:3, s. 811-816
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http://clincancerres... (free)
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
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- art (ämneskategori)
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Sjostrom, J
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Blomqvist, C
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von Boguslawski, ...
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Bengtsson, NO
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Mjaaland, I
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Malmström, Per
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visa fler...
-
Ostenstadt, B
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Wist, E
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Valvere, V
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Takayama, S
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Reed, JC
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Saksela, E
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visa färre...
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