目的 探討射頻消融(RFA)聯(lián)合亞砷酸(AA)局部治療對(duì)兔肝VX2腫瘤微血管密度(microvessel density,MVD)和血管內(nèi)皮生長(zhǎng)因子(vascular endothelial growth factor,VEGF)表達(dá)的影響。
方法 建立新西蘭兔肝VX2腫瘤模型28只,按隨機(jī)數(shù)字表法隨機(jī)均分為4組,分別給予AA(AA組)、RFA(RFA組)、RFA+AA(RFA+AA組)和生理鹽水(對(duì)照組)治療,于治療后第14 d處死所有實(shí)驗(yàn)動(dòng)物,通過(guò)免疫組織化學(xué)方法檢測(cè)腫瘤組織MVD及VEGF的表達(dá),并分析MVD與VEGF表達(dá)的相關(guān)性。
結(jié)果 對(duì)照組、AA組、RFA組及RFA+AA組腫瘤組織MVD依次降低,分別為(38.50±0.44)、(23.07±0.47)、(18.65±0.39)和(11.36±0.36)個(gè)/HP,4組間兩兩比較均P<0.05; 腫瘤組織VEGF表達(dá)陽(yáng)性例數(shù)比也依次降低,分別為7/7、5/7、4/7和2/7,4組間兩兩比較均P<0.05。VEGF表達(dá)強(qiáng)度與MVD成正相關(guān)關(guān)系(r=0.47,P<0.01)。
結(jié)論 RFA+AA聯(lián)合治療能減少腫瘤組織的MVD,抑制VEGF的表達(dá)。
引用本文: 張盟輝,孔憲炳,王巧玲,陰紅衛(wèi),軒詩(shī)進(jìn). 射頻消融聯(lián)合亞砷酸局部治療對(duì)兔肝VX2腫瘤MVD和VEGF表達(dá)的影響. 中國(guó)普外基礎(chǔ)與臨床雜志, 2007, 14(1): 19-22. doi: 復(fù)制
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- 4. Weidner N. Current pathologic methods for measuring intratumoral microvessel density within breast carcinoma and other solid tumors [J]. Breast Cancer Res Treat, 1995; 36(2)∶169.
- 5. Weidner N. Intratumor microvessel density as a prognostic factor in cancer [J]. Am J Pathol, 1995; 147(1)∶9.
- 6. Folkman J. Tumor angiogenesis [J]. Adv Cancer Res, 1985; 43∶175.
- 7. Maeda K, Chung YS, Takatsuka S, et al. Tumor angiogenesis as a predictor of recurrence in gastric carcinoma [J]. J Clin Oncol, 1995; 13(2)∶477.
- 8. Weidner N, Carroll PR, Flax J, et al. Tumor angiogenesis correlates with metastasis in invasive prostate carcinoma [J]. Am J Pathol, 1993; 143(2)∶401.
- 9. Ozpolat B, Lopez-Berestein G, Mehta K. ATRA(ouble) in the treatment of acute promyelocytic leukemia [J]. J Biol Regul Homeost Agents, 2001; 15(2)∶107.
- 10. Ferrara N, Davis-Smyth T. The biology of vascular endothelial growth factor [J]. Endocr Rev, 1997; 18(1)∶4.
- 11. Brown LF, Lanir N, McDonagh J, et al. Fibroblast migration in fibrin gel matrices [J]. Am J Pathol, 1993; 142(1)∶273.
- 12. 李江濤, 區(qū)慶嘉, 魏箐. 三氧化二砷誘導(dǎo)肝癌細(xì)胞凋亡的初步研究 [J]. 癌癥, 2000; 19(12)∶1087.
- 13. 華海清, 秦叔逵, 王錦鴻. 三氧化二砷抗腫瘤血管形成研究 [J]. 世界華人消化雜志, 2004; 12(1)∶27.