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在β-血病模型中,总体色胺增强了g-globin表达和胎儿血红蛋白的产生

Dongling Cai^1,2,3, Ying Chan¹, Guangyu He¹

¹Department of Medical Genetics, NHC Key Laboratory of Healthy Birth and Birth Defect Prevention in Western China, The First People's Hospital of Yunnan Province, Kunming, China.

Frontiers in pharmacology

|September 8, 2025

概括

帕纳克斯人参的总人参酸 (TG) 通过激活马环球蛋白基因,有效地增加胎儿血红蛋白 (HbF) 的产生. 这种天然化合物显示出作为β-thalassemia的安全和有效治疗方法的希望.

科学领域:

药理学和治疗学药理学和治疗学
血液学血液学血液学
自然产品化学化学

背景情况:

β-thalassemia是一种遗传性疾病,导致β-环球蛋白合成缺陷和无效的红细胞生产.
激活胎儿血红蛋白 (HbF) 生产是beta-thalassemia的一个关键治疗策略.
来自Panax人参的总体人参酸 (TG) 已知具有表观遗传和转录调节,但它们在HbF诱导中的作用尚不清楚.

研究的目的:

为了研究Total Ginsenosides (TG) 诱导胎儿血红蛋白 (HbF) 生产的潜力.
评估TG作为β-thalassemia治疗剂的安全性和有效性.

主要方法:

评估了TG在K562红血球白血病细胞,初级红色素前体细胞 (ErPCs) 和Towns转基因小鼠中的HbF诱导潜力.
在体外 (25-400微克/毫升) 和体内 (14天内每天50-800毫克/千克) 给药的TG.
使用流式细胞计,免疫光和RT-qPCR量化HbF和马球蛋白表达;评估细胞活力和肝脏组织学.

主要成果:

在K562细胞和ErPC中,TG显著且剂量依赖地增加了HbF产生和马环球蛋白基因表达.
在体内研究表明,TG治疗增加了F细胞比例,表现优于基尿素,没有观察到肝毒性.
在K562细胞中TG增加了4.29倍,在ErPCs中增加了1.46倍,增加了HBF阳性细胞群,但没有影响活力.

结论:

总体人参化物 (TG) 是强大的,通过对马环球蛋白基因的转录激活,耐受良好的HbF诱导剂.
TG在β-thalassemia中显示出显著的治疗潜力,其在各种细胞和动物模型中的疗效得到了支持.
由于其疗效和安全性,TG代表了对β-thalassemia的有前途的天然治疗剂.

关键词:

这是胎儿血红蛋白.再激活重新激活的方法总体的金色化物.在 β-thalassemia 的情况下.γ-环球蛋白基因的基因

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