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作为肝细胞功能的调节剂的ACLY及其在代谢功能障碍相关的脂肪肝炎中的作用
Paolo Convertini1, Anna Santarsiero1, Simona Todisco1
1Department of Science, University of Basilicata, Viale dell'Ateneo Lucano 10, 85100, Potenza, Italy.
代谢功能障碍相关的脂肪肝炎 (MASH) 涉及ATP酸酶 (ACLY). 在肝细胞中抑制ACLY减少脂肪和炎症,显示其对MASH的治疗潜力.
科学领域:
- 肝病学和免疫学 肝病学和免疫学
- 代谢性疾病研究研究.
- 生物化学和分子生物学.
背景情况:
- 代谢 (功能障碍) 相关的脂肪肝疾病 (MAFLD) 和其进展到代谢 (功能障碍) 相关的脂肪肝炎 (MASH) 是导致肝损伤的主要原因.
- 这些情况凸显了代谢失调在肝脏健康和疾病中的关键作用.
- ATP酸酶 (ACLY) 是一种免疫代谢酶,对脂质生成,碳水化合物代谢,基因表达和炎症至关重要.
研究的目的:
- 调查ATP酸酶 (ACLY) 在代谢 (功能障碍) 相关脂肪肝炎 (MASH) 病变发生中的作用.
- 在MASH的背景下探索ACLY在脂质生成,碳水化合物代谢,基因表达和炎症中的功能.
- 评估针对MASH中的ACLY的诊断和治疗潜力.
主要方法:
- 研究了TNFα触发的人类肝细胞和MASH患者衍生的巨细胞中的ACLY功能.
- 有或没有ACLY抑制剂的定量氧化应激生物标志物 (ROS,脂质过氧化,GSSG).
- 使用了包括西部涂抹,RT-qPCR,ChIP和Lumit免疫测试在内的技术来评估基因表达和细胞因子产生.
主要成果:
- 在肝细胞中抑制ACLY减少了脂质积累,氧化损伤和炎症性细胞因子分泌.
- 与对照组相比,MASH患者的巨细胞中ACLY和酶1 (ME1) mRNA水平升高.
- 基酸盐 (HCA) 和红葡萄酒粉 (RWP) 的组合在MASH患者的巨细胞中降低了ACLY,ME1,IL-6和IL-1β.
结论:
- ACLY在肝脏和MASH的发病过程中发挥着重要作用.
- 通过影响脂质代谢,氧化还原状态和炎症,ACLY抑制显示出治疗MASH的潜力.
- 针对ACLY是一个有前途的MASH诊断和治疗策略.
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