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DOI: 10.3791/54040-v
Please note that some of the translations on this page are AI generated. Click here for the English version.
原位乳腺癌原发肿瘤模型和手术切除原发肿瘤,延长生命鼠标产生自发转移的描述。肿瘤的生长和发展进行监测和通过萤光素酶荧光成像定量。
该程序的总体目标是建立一个小鼠自发转移乳腺癌模型,该模型允许量化原发肿瘤乳腺癌生长以及乳腺癌转移动力学的可视化和测量。这种方法可以帮助回答自发性癌症转移领域的关键问题,例如改变肿瘤相关基因如何影响癌症生长和转移?该技术的主要优点是该模型模拟人类乳腺癌的发展,使其成为测试治疗剂疗效的理想选择。在实验当天,收获 4T1 荧光素酶肿瘤细胞的过夜培养物,并通过离心沉淀细胞。真空除去上清液,然后在 10ml PBS 中洗涤细胞,并将沉淀重悬于 10ml 新鲜 PBS 中进行计数。接下来,在 HBSS 中将细胞稀释至 2x10^5 个细胞/ml 浓度,并将悬浮液输出到冰上的 1.5ml 无菌微量离心管中。然后,用手束缚鼠标,用黑色记号笔标记 6-8 周龄雌性 BALB/c 小鼠的乳腺,并使用电子毛发修剪器剃掉 3 号周围的毛发。继续通过微量离心管的 2-3 次倒置来重悬细胞,然后小心吸出 50
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