肖宏衛(wèi) 許曉峰 譚麗珊 林泉


【摘要】 目的:分析鈣敏感受體(CaSR)、三磷酸腺苷結(jié)合盒轉(zhuǎn)運(yùn)體G2(ABCG2)與三陰性乳腺癌(TNBC)的侵襲、惡性程度及淋巴結(jié)轉(zhuǎn)移的相關(guān)性,探討CaSR和ABCG2在TNBC組織中的陽性表達(dá)率,評(píng)價(jià)其在TNBC及臨床預(yù)后的診斷價(jià)值。方法:收集2018年3月-2019年6月本院普外科(50例)和乳腺外科(150例)收治的經(jīng)病理診斷為乳腺癌的200例患者作為研究對(duì)象,其中50例(25.00%)TNBC患者作為研究組,150例(75.00%)非三陰性乳腺癌(non-TNBC)患者作為對(duì)照組,采用免疫組化染色SP法檢測(cè)兩組癌組織中CaSR、ABCG2的陽性表達(dá)率。結(jié)果:研究組CaSR、ABCG2陽性表達(dá)率明顯高于對(duì)照組(字2=6.59、6.06,P<0.05);研究組CaSR、ABCG2陽性表達(dá)與年齡、絕經(jīng)情況、腫瘤大小、病理學(xué)分級(jí)及脈管癌栓均無顯著相關(guān)性(P>0.05),與轉(zhuǎn)移、病理類型及TNM分期均存在顯著相關(guān)性(P<0.05)。Kaplan-Meier生存分析結(jié)果顯示,在TNBC患者癌組織中CaSR、ABCG2陽性表達(dá)者中位生存期(OS)和中位無瘤生存期(DFS)低于陰性表達(dá)者(P<0.05)。結(jié)論:CaSR和ABCG2表達(dá)與TMBC的侵襲、惡性程度及淋巴結(jié)轉(zhuǎn)移均存在相關(guān)性;CaSR和ABCG2可能對(duì)TNBC患者的臨床預(yù)后具有預(yù)測(cè)價(jià)值。
【關(guān)鍵詞】 鈣敏感受體 三磷酸腺苷結(jié)合盒轉(zhuǎn)運(yùn)體G2 三陰性乳腺癌 淋巴結(jié)轉(zhuǎn)移
[Abstract] Objective: To analyze the correlation between calcium sensing receptor (CaSR), atp binding box transporter G2 (ABCG2) and triple negative breast cancer (TNBC) invasion, malignancy and lymph node metastasis, to investigate the positive expression rate of CaSR and ABCG2 in TNBC tissues, and to evaluate the diagnostic value of CaSR and ABCG2 in TNBC and clinical prognosis. Method: From March 2018 to June 2019, 200 cases of breast cancer patients by pathological diagnosis in department of general surgery (50 cases) and breast surgery (150 cases) were collected as the research objects, 50 cases (25.00%) patients with TNBC were selected as the research group, 150 cases (75.00%) of non-three negative breast cancer (non-TNBC) patients were selected as the control group, the immunohistochemical staining SP method were used to detect CaSR and ABCG2 positive expression rate in two groups of patients carcinoma tissue. Result: The positive expression rates of CaSR and ABCG2 in the study group were significantly higher than those in the control group (字2=6.59, 6.06, P<0.05). The positive expressions of CaSR and ABCG2 in the study group were not significantly correlated with patients age, menopausal status, tumor size, pathological grade and vascular cancer thrombus (P>0.05), but were significantly correlated with metastasis, pathological type and TNM stage (P<0.05). The results of Kaplan-Meier survival analysis showed that median survival (OS) and median tumor-free survival (DFS) in CaSR, ABCG2 positive expression in cancer tissues of TNBC patients were lower than those of negative expression (P<0.05). Conclusion: CaSR and ABCG2 are correlated with TMBC invasion, malignancy and lymph node metastasis. CaSR and ABCG2 may have predictive value for the clinical prognosis of TNBC patients.
[Key words] Calcium sensitive receptor Atp binding box transporter G2 Triple negative breast cancer Lymph node metastasis
綜上,TNBC在所有類型乳腺腫瘤中的惡性程度最高,分子靶向治療作為乳腺癌治療的新技術(shù),探討CaSR和ABCG2在TNBC中的表達(dá)水平及其臨床相關(guān)性十分重要,兩者在TNBC中均呈高表達(dá)狀態(tài),提示兩者與乳腺癌的惡性程度、轉(zhuǎn)移、侵襲等存在相關(guān)性,推測(cè)兩者對(duì)TNBC臨床預(yù)后具有預(yù)測(cè)價(jià)值。
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(收稿日期:2020-04-15) (本文編輯:程旭然)