氧化应激生物标志物作为衰老和与年龄有关的疾病的预测者
Yogesh Kumar1, Anuja Pant1, Somu Yadav2
1Department of Biochemistry, Central University of Haryana, Mahendergarh-123031.
概括
氧化应激 (OS) 生物标志物,包括蛋白质氧化和脂质过氧化副产品,揭示了衰老对细胞防御的影响. 追踪这些标志物有助于理解衰老,并为与年龄相关的疾病开发干预措施.
科学领域:
- 生物化学 生物化学
- 老年学是一门学科.
- 分子生物学分子生物学
背景情况:
- 当活性氧物种 (ROS) 压倒抗氧化防御时,氧化应激 (OS) 发生,这是衰老的关键因素.
- 慢性ROS暴露会损害生物分子,导致衰老和与年龄相关的疾病.
- OS的生物标志物反映了累积损伤和细胞保护的下降.
研究的目的:
- 审查与衰老相关的氧化应激生物标志物.
- 探索这些生物标志物如何表明细胞损伤和防御能力的恶化.
- 突出其在预测衰老和与年龄有关的疾病方面的潜力.
主要方法:
- 关于氧化应激和衰老的科学文献的综述.
- 对各种氧化应激生物标志物的分析,包括蛋白质氧化产物 (碳基,AOPPs).
- 检查DNA损伤标记物 (例如8-基-2-脱氧氨酸) 和脂质过氧化副产品 (例如MDA,4-HNE).
- 评估酶性 (例如,SOD,catalase) 和非酶性 (例如,谷氨,维生素C和E) 抗氧化防御.
主要成果:
- 特定的生物标志物,如碳化合物,8-基-2-脱氧氨酸,MDA和4-HNE,表明生物分子损伤的进展.
- 酶性抗氧化剂的活性变化和非酶性抗氧化剂水平降低与衰老相关.
- 这些生物标志物共同说明了氧化损伤的积累和抗氧化能力的降低.
结论:
- 氧化应激生物标志物是衰老过程的关键指标.
- 绘制生物标志物轨迹可以提高对衰老生物学的理解.
- 这些标志物为早期检测和针对健康衰老和与年龄相关的疾病的有针对性的干预提供了潜力.
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