来自深海衍生的Penicillium sp的铁灭抑制化合物
Xiao-Wei Zhao1, Zheng-Biao Zou2, Ying-Ying Lin3
1Hainan Academy of Medical Sciences, Hainan Medical University, 3 Xueyuan Road, Haikou 571199, China; School of Traditional Chinese Materia Medical, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang 110016, China.
研究人员从深海真菌中发现了新的化合物,这些化合物有望保护细胞死亡的一种类型 - - 铁亡. 氨Q是最有效的,可能为相关疾病提供新的治疗途径.
科学领域:
- 海洋天然产品 化学 化学
- 细胞生物学 细胞生物学
- 药用化学 医学化学
背景情况:
- 铁亡是一种依赖铁的调节细胞死亡形式,与各种疾病有关.
- 深海微生物是新型生物活性化合物的丰富来源.
- 确定有效的铁灭抑制剂对于治疗开发至关重要.
研究的目的:
- 从深海真菌Penicillium sp.中分离和描述新的化合物. 3A00398.8.3A00398.8.3A00398.8.3A00398.8.3A00398.3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A00398.3A. 3A.
- 评估分离的化合物对它们抑制铁亡的潜力.
- 为了研究最强大的铁灭菌抑制剂的作用机制.
主要方法:
- 使用全面的光谱分析和基于TD-DFT的ECD计算,对化合物的隔离和结构阐明.
- 在体外评估化合物对RSL3诱导的ferroptosis的保护作用.
- 涉及基因表达分析 (HO-1) 的机制研究.
主要成果:
- 确定了两种新的氨酸类似物和一种新的桑,以及55种已知的化合物.
- 一些化合物,包括青素Q和B,表现出显著的铁灭抑制作用 (EC50<10μM).
- 西醇Q表现出强烈的活性 (EC50 = 0.48 μM),并被发现可以调节HO-1基因表达.
结论:
- 从深海衍生的Penicillium物种中发现了新的铁灭抑制剂.
- 氨Q是一种强大的铁灭抑制剂,具有涉及HO-1调节的潜在机制.
- 这些发现为开发治疗策略的新见解提供了新的见解,以对抗与铁死相关的病理.
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