普埃拉林通过抑制Ser15酸化介导的p53激活来缓解脑缺血/再输 (CIR) 诱导的铁亡
Guanfeng Xu1, Jie Zhang1, Chongyu Shao1
1College of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China; Zhejiang Key Laboratory of Chinese Medicine for Cardiovascular and Cerebrovascular Disease, Hangzhou, China.
Free radical biology & medicine
|June 12, 2025
概括
普埃拉林通过抑制铁亡来保护大脑缺血/再损伤. 这种抗氧化化合物向p53,防止其激活,并减少中风模型中的细胞死亡.
科学领域:
- 神经科学是一个神经科学.
- 生物化学 生物化学
- 药理学 药理学是指药理学的学科.
背景情况:
- 大脑缺血性中风是导致死亡和残疾的主要原因,患病率越来越高.
- 大脑缺血/反 (CIR) 损伤涉及细胞死亡途径,包括铁亡,这是中风结果的关键因素.
- 来自Pueraria lobata的Puerarin被认为可以治疗CIR损伤,但其机制尚未完全理解.
研究的目的:
- 为了研究皮亚林对CIR诱导的铁亡的保护作用.
- 阐明皮亚林在CIR损伤中的作用的潜在分子机制.
- 为了确定p53作为波亚林的潜在分子标.
主要方法:
- 使用了网络药理学分析,分子对接,微尺度热泳 (MST) 和细胞热转移试验 (CETSA).
- 在体外和体外模型,包括tMACO大鼠和HT22细胞,被用来评估ferroptosis.
- 使用药理抑制剂和激活剂调节p53活性,并通过过度表达野生类型和突变p53.
主要成果:
- 普埃拉林在细胞和动物模型中显著缓解了CIR诱导的铁亡.
- 鉴定出p53是 puerarin 的直接分子标,并观察到物理结合.
- 普埃拉林通过阻止p53 Ser15酸化和随后的激活来抑制铁灭.
结论:
- 普埃拉林通过抑制Ser15酸化来抑制p53激活,从而降低铁亡,从而有效地减轻CIR损伤.
- 这项研究为治疗缺血性中风的 puerarin 的治疗潜力提供了新的机制性见解.
- 准p53通路为管理CIR损伤和改善中风结果提供了一个有希望的策略.
相关概念视频
Necrosis
4.4K
Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”.
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become...
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become...
4.4K
Abnormal Proliferation
4.5K
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
4.5K


