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XU Donghong, FAN Zhonglin, LI Yuntao. Expression of p2Ser1182ERα in Breast Cancer and Its Signif icance[J]. Cancer Research on Prevention and Treatment, 2008, 35(11): 793-795. DOI: 10.3971/j.issn.1000-8578.505
Citation: XU Donghong, FAN Zhonglin, LI Yuntao. Expression of p2Ser1182ERα in Breast Cancer and Its Signif icance[J]. Cancer Research on Prevention and Treatment, 2008, 35(11): 793-795. DOI: 10.3971/j.issn.1000-8578.505
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Expression of p2Ser1182ERα in Breast Cancer and Its Signif icance

  • Department of The Fi rst General S urgery, Fourth Hos pi tal of Hebei Medical Uni versi t y S hi j iaz huang 050011, China

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  • Received Date: November 11, 2007
  • Revised Date: April 22, 2008
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    • Abstract
  • Objective 　To study the expression of p2Ser1182ERα,ERα,PR of tissue in breast cancer by im2 munohistochemist ry and the relationship s among them. To explore the relationship between the expres2 sion of p2Ser1182ERα and the therapeutic efficacy of tamoxifen. Methods 　The expressions of p2Ser1182 ERα,ERα,PR in 70 breast cancer tissues were examined by immunohistochemist ry. The correlations a2 mong them were analyzed and the relationship between the expression of p2Ser1182ERαand the therapeutic efficacys of tamoxifen was analyzed by Kaplan2Meier. Results 　A significant correlation was found be2 tween the expression of p2Ser1182ERαand the expression of ERα (Spearman r = 0. 348, P = 0. 003) . A sig2 nificant correlation was also found between the expression of p2Ser1182ERα and the expression of PR in breast cancer (Spearman r = 0. 241 P = 0. 044) . Kaplan2Meier outcome analysis showed that patient s with positive p2Ser1182ERα had a longer disease2f ree survival than those with negative p2Ser1182ERα ( P = 0. 013) . And patient s with positive p2Ser1182ERαhad a longer disease2f ree survival than those with neg2 ative p2Ser1182 ERα ( P = 0. 021) among the cases with positive PR. Conclusion 　The examination of p2 Ser1182 ERαand PR maybe a precise biomarker to evaluate the efficacys of tamoxifen.
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