Title : p53 protein accumulation predicts poor response to tamoxifen therapy of patients with recurrent breast cancer.

Pub. Date : 1998 Jan

PMID : 9440732






6 Functional Relationships(s)
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1 p53 protein accumulation predicts poor response to tamoxifen therapy of patients with recurrent breast cancer. Tamoxifen tumor protein p53 Homo sapiens
2 We studied whether p53 protein accumulation is a predictive factor for response to tamoxifen treatment in patients with recurrent breast cancer. Tamoxifen tumor protein p53 Homo sapiens
3 In a test for trend, we observed an association of p53 protein levels with response to tamoxifen therapy. Tamoxifen tumor protein p53 Homo sapiens
4 Also in multivariate analysis, reduced survival after the start of tamoxifen therapy was observed in the p53-high group (relative hazards rate [RHR], 1.56, 95% CI, 1.17 to 2.10; P = .002). Tamoxifen tumor protein p53 Homo sapiens
5 A statistically significant association between p53 levels and decreased tamoxifen response was seen only in the subset of patients whose tumors expressed low levels of ER or PgR (<75 fmol/mg protein). Tamoxifen tumor protein p53 Homo sapiens
6 CONCLUSION: Measurement of primary tumor p53 levels may be effective in predicting response to tamoxifen therapy in recurrent breast disease. Tamoxifen tumor protein p53 Homo sapiens