痴呆症护理研究和心理社会因素
Devesh Kumar1, Gajendra T A2, Sairam Krishnamurthy2
1Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 26, 2025
概括
Tinospora cordifolia提取物显著改善了血管痴呆症 (VaD) 的大鼠模型中的认知功能,并减少了神经炎症. 这种药用草本通过向TLR4炎症途径,显示出其作为VaD的潜在治疗方法的前景.
科学领域:
- 神经科学是一个神经科学.
- 药理学 药理学是指药理学的学科.
- 草药是一种草药.
背景情况:
- 血管性痴呆 (VaD) 是导致痴呆的主要原因,其特点是神经炎症和认知能力下降,没有批准的治疗方法.
- Tinospora cordifolia (Guduchi) 是一种具有已知的抗炎和神经保护性质的药用草本,此前曾在阿尔茨海默病中进行过研究.
- 它对VaD的治疗潜力在很大程度上仍未被探索.
研究的目的:
- 在血管痴呆症 (VaD) 的小鼠模型中研究Tinospora cordifolia乙醇提取物 (TCEE) 的疗效.
- 探索潜在的机制,特别是炎症途径的调节.
主要方法:
- 用双边常见动脉阻塞 (BCCAO) 诱导VaD的小鼠模型.
- 动物接受了TCEE或Donepezil治疗,并使用行为测试评估认知功能.
- 用各种生化和成像技术评估神经炎症标志物,神经元形态和脑血流.
主要成果:
- 在VaD大鼠中,TCEE治疗显著改善了认知表现,并增强了大脑血流.
- 提取物减少了神经元损失,质激活和促炎性细胞因子水平 (IL-1β,IL-6,TNF-α).
- TCEE降低了TLR4和MyD88的表达,并抑制了NF-κB p65酸化,类似于TLR4抑制剂.
结论:
- 蒂诺斯波拉冠状叶虫 (Tinospora cordifolia) 在血管性痴呆症中显示出潜在的治疗益处.
- 这种草可以通过调节TLR4/MyD88/NF-κB炎症信号通路来缓解认知功能障碍.
- T. cordifolia显示出作为一种新型治疗剂和TLR4抑制剂的承诺,用于VaD治疗.
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