向Fn14可以预防癌症诱导的白内障并延长存活时间
Amelia J Johnston1, Kate T Murphy2, Laura Jenkinson1
1Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC 3086, Australia.
Cell
|September 12, 2015
概括
用抗体向瘤亡因子 (TNF) 超级家族成员Fn14可以对抗癌症缓解症. 通过预防癌症患者的炎症和肌肉损耗, 这种方法可以抑制体重减轻, 改善寿命.
科学领域:
- 癌症学
- 免疫学
- 分子生物学
背景情况:
- 瘤死亡因子-弱 (TWEAK) 和它的受体Fn14在瘤中被上调.
- 瘤中的Fn14表达与缓解症,一种消耗综合征有关.
研究的目的:
- 调查Fn14信号在瘤诱导的缓解症中的作用.
- 评估抗Fn14抗体在癌症缓解症治疗中的治疗潜力.
主要方法:
- 使用瘤表达Fn14的小鼠模型.
- 使用针对Fn14的抗体.
- 评估瘤生长,体重减轻,炎症和肌肉/脂肪质量.
- 野生型宿主与缺乏Fn14和TWEAK宿主之间的缓解发育比较.
主要成果:
- 通过抑制瘤诱导的体重减轻,抗Fn14抗体显著延长了寿命.
- 抗体减少了瘤引起的炎症和脂肪和肌肉质量的损失.
- 而不是宿主, 而是瘤内部的Fn14信号.
结论:
- 在癌症缓解症的病因学中,Fn14起着至关重要的作用.
- 抗Fn14抗体是一个有前途的治疗策略.
- 向Fn14可以改善癌症患者的生活质量和生存率.
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