Cancer Res:NSAIDs降低乳腺癌肥胖患者癌症复发风险

2014-08-18 佚名 生物谷

近日,一项新研究确定,接受激素治疗作为治疗方案一部分的绝经后体重超重或肥胖的乳腺癌患者,使用非甾体抗炎药(NSAIDs)如阿司匹林或布洛芬,乳腺癌复发率显著降低和癌复发时间大大延迟。这项研究结果发表在8月14日的Cancer Research杂志上,新研究提示了一种减少超重和肥胖绝经后妇女(这些女性复发的相对风险较高)乳腺癌复发率的新可能性。对人体临床研究和细胞培养实验研究进行回顾性分析,研究人员

近日,一项新研究确定,接受激素治疗作为治疗方案一部分的绝经后体重超重或肥胖的乳腺癌患者,使用非甾体抗炎药(NSAIDs)如阿司匹林或布洛芬,乳腺癌复发率显著降低和癌复发时间大大延迟。

这项研究结果发表在8月14日的Cancer Research杂志上,新研究提示了一种减少超重和肥胖绝经后妇女(这些女性复发的相对风险较高)乳腺癌复发率的新可能性。

对人体临床研究和细胞培养实验研究进行回顾性分析,研究人员确定:使用NSAID能减少最常见形式的乳腺癌--ERα阳性乳腺癌的复发率,将乳腺癌患者的无病生成期延长至两年以上。

德克萨斯大学奥斯汀分校癌症研究员Linda deGraffenried等人领导完成了这项研究。研究人员警告说,这些结果是初步的,我们需要进一步研究以确认这些初步调查的结果。

与体重正常的乳腺癌女性相比,超重或肥胖的乳腺癌女性都面临着较差的预后。研究人员首先研究了440名乳腺癌患者的医疗记录,比较那些服用NSAIDs乳腺癌女性患者,和那些没有服用药物患者的预后。

研究人员设计了第二项研究,利用肥胖女性的血清培养ERα阳性乳癌细胞,希望模仿一个鼓励肿瘤细胞生长,增殖和转移的环境。尽管炎症反应使得肥胖女性的乳腺癌恶性程度更高,对治疗响应不足的机制不完全清楚,但研究人员认为,炎症反应在乳腺癌恶化中起着举足轻重的作用。他们的研究结果还表明炎症对芳香化酶抑制剂的有效性产生负面影响,芳香化酶抑制剂是一类常用于预防癌症复发的抗癌药物。

这项研究提示:超重或肥胖绝经后妇女(那些患乳腺癌的风险更大),可能从每天服用低剂量的阿司匹林中获益。也许将来,一个相当便宜且无毒的药物可能会有助肥胖和超重女性预防乳腺癌。该研究小组正在计划一个更大的前瞻性研究,以确定乳腺癌的生物标志物,并监控服用NSAIDs治疗乳腺癌后患者的响应。

原始出处:


Bowers LW1, Maximo IX1, Brenner AJ2, Beeram M3, Hursting SD1, Price RS1, Tekmal RR4, Jolly CA1, deGraffenried LA5.NSAID Use Reduces Breast Cancer Recurrence in Overweight and Obese Women: Role of Prostaglandin-Aromatase Interactions.Cancer Res. 2014 Aug 15;74(16):4446-57. doi: 10.1158/0008-5472.CAN-13-3603.


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    2015-06-04 d830372
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    2014-08-22 wjywjy
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    2014-08-20 cooco
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很多人都知道女性的BRCA1和BRCA2基因发生突变,可增加女性患乳腺癌的风险。这两种基因分别于1991和1993年被发现,最近来自英国剑桥大学的研究者发现可致乳腺癌的第三种基因,该基因为PALB2,位于人体第16号常染色体上。携带PALB2基因突变,通常会在年龄较大时会出现乳腺癌(70岁),而携带BRCA1/2突变基因的患者, 通常发生在年轻女性身上。PALB2基因也是目前被确认与乳腺癌有关的第