Serum soluble interleukin 2 receptor levels in patients with breast cancer |
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Authors: | Saburo Murakami Rennzo Hirayama Akira Satomi Katsuhiko Okubo Moriyoki Matsuki Hideto Sakata Yoshitaka Tsuji |
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Institution: | Second Department of Surgery, Saitama Medical School, 38 Morohongo, Moroyama-machi, Iruma-gun, Saitama 350-04, Japan. |
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Abstract: | Preoperative levels of serum soluble interleukin-2 receptor (1L-2R) were examined in 37 patients with breast cancer. We investigated the correlations of serum soluble IL-2R levels with various factors such as stage grouping, lymph node metastasis, distant metastasis, tumor size, histophthological type, estrogen receptor (ER), progesterone receptor (PgR) and CA 15-3. Serum soluble 1L-2R levels were measured with an enzyme-linked immunosorbent assay. Levels of serum soluble 1L-2R in the patients with stage III and IV breast cancer were significantly higher than those in the normal controls, and patients with stage I and II breast cancer. Preoperative levels of serum soluble IL-2R in patients with T3 and T4 were also significantly higher than those in patients with T1 and T2. Serum levels of IL-2R in patients with distant metastasis were also significantly higher than those in patients without distant metastasis. Moreover, serum levels of soluble IL-2R in patients with higher CA 15-3 were significantly higher than those in patients with normal CA 15-3 levels. We conclude that preoperative serum soluble IL-2R levels in patients with breast cancer may be a valuable parameter, especially in evaluating whether they have distant metastasis or not. |
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