有氧体力炼改变前列腺瘤环境
Allice Santos Cruz Veras1, Rafael Ribeiro Correia1, Victor Rogério Garcia Batista1
1Multicenter Graduate Program in Physiological Sciences, SBFis, São Paulo State University (UNESP), Presidente Prudente, SP, Brazil.
Life sciences
|September 23, 2023
概括
有氧运动通过减少细胞增殖和炎症,显著减少前列腺癌的进展. 这种体力活动增强了抗氧化防御,并调节了关键蛋白质,为癌症控制提供了有益的方法.
科学领域:
- 在瘤学瘤学.
- 运动生理学 运动生理学
- 分子生物学分子生物学
背景情况:
- 运动与降低癌症风险有关,但潜在的分子机制需要阐明.
- 氧化应激和炎症与癌症的发展和进展有关.
- 了解运动对这些因素的影响对于癌症预防和治疗策略至关重要.
研究的目的:
- 通过调节氧化应激和炎症,研究有氧运动减轻前列腺癌 (PC) 的假设.
- 为了检查结构化的有氧运动对瘤生长,细胞增殖,细胞亡和前列腺癌老鼠模型中的炎症标志物的影响.
主要方法:
- 20只患有化学诱导前列腺瘤的雄性Sprague Dawley大鼠被分为控制 (PC) 和运动 (PC + Ex) 组.
- PC + Ex 组接受了为期 8 周的跑步机运动 (每周 5 次,最大容量的 60%).
- 分析包括体重,料效率,Ki-67 (增殖标志物),亡标志物,氧化应激指标和细胞因子水平 (IL-10,IL-6,TNF-α,NF-κB).
主要成果:
- 有氧运动显著降低了前列腺细胞增殖 (Ki-67),瘤大小和前列腺体重 (p < 0.05).
- 运动调节的亡,降低抗亡蛋白表达和增加亲亡蛋白表达 (p <0.05).
- 在运动组中观察到抗氧化防御的显著改善,降低了脂质过氧化和蛋白质碳酸,以及改变了炎症概况 (增加IL-10,降低IL-6,TNF-α,NF-κB).
结论:
- 有氧运动是一种有效的方法来控制前列腺癌的进展.
- 运动通过调节系统性因素,包括葡萄糖和脂质代谢,产生抗炎和抗氧化作用.
- 这些修改创造了一个减弱瘤生长的环境,并为癌症管理提供了一个功能性,有益的策略.
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