中國醫藥大學機構典藏 China Medical University Repository, Taiwan:Item 310903500/29459
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    题名: Technetium-99m tetrofosmin mammoscintigraphy findings related to the expression of P-glycoprotein mediated multidrug resistance
    作者: Sun, SS;Hsieh, JF;Tsai, SC;Ho, YJ;Kao, CH
    贡献者: 附設醫院核子醫學部;Taichung Vet Gen Hosp, Dept Nucl Med, Sect 3, Taichung 407, Taiwan;China Med Coll Hosp, Dept Nucl Med, Taichung, Taiwan;Chi Mei Fdn Hosp, Dept Nucl Med, Tainan, Taiwan;Taipei Municipal Jen Ai Hosp, Dept Radiol, Taipei, Taiwan
    日期: 2000
    上传时间: 2010-09-24 14:35:00 (UTC+8)
    出版者: INT INST ANTICANCER RESEARCH
    摘要: Adjuvant and neoadjuvant chemotherapy is increasingly being used in the treatment of breast cancer patients. However drug resistance plays an important role in chemotherapy failure in this cancer. The aim of this study was to determine the correlation between technetium-99m sestamibi (Tc-99m MIBI) breast imaging results and expression of the drug resistance proteins (p-glycoprotein (Pgp), Ki-67 and mutant p53) in human breast cancer tissues. Twenty-four breast cancer patients underwent Tc-99m MIBI breast imaging before surgery or biopsy. Protein expression was investigated by immunohistochemical studies on multiple nonconsecutive sections of surgery or biopsy samples. Tumor to background (TIB) ratios calculated by Tc-99m MIBI breast imaging were correlated with protein expression determined by immunohistochemical studies The TIE ratios were significantly lower in 8 patients with positive Pgp expression (Group I) when compared with 16 patients with negative Pgp expression (Group 2) (1.40 +/- 0.11 and 276 a 0.60 p < 0.05). However, the differences of TIE ratios between the patients with positive and negative Ki-67 mutant p53 expression were not significant. Our data confirmed that Tc-99m MIBI breast imaging is useful for determination of the presence of Pgp expression in breast cancer patients No significant relationship between Tc-99m MIBI breast imaging results and Ki67/mutant p53 was found.
    關聯: ANTICANCER RESEARCH 20(3A):1467-1470
    显示于类别:[台中附設醫院] 期刊論文

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