Department of Neurology, Faculty of Medicine, Suleyman Demirel University, Isparta, Turkey.
Department of Cardiovascular Surgery, Faculty of Medicine, Suleyman Demirel University, Isparta, Turkey.
Neurosci Lett. 2024 Mar 10;825:137689. doi: 10.1016/j.neulet.2024.137689. Epub 2024 Feb 23.
The ischemia-reperfusion (I/R) injury seen in the heart can cause severe damage to essential organs such as the brain. Cannabidiol (CBD) obtained from Cannabis sativa is used today to treat various diseases. This study aimed to demonstrate CBD's neuroprotective and therapeutic properties in rats with brain damage caused by I/R in the heart.
Rats were divided into four groups; sham, I/R, I/R + Prophylactic CBD, and I/R + Therapeutic CBD. End of the experiment, brain tissues were collected for biochemical, histopathological, and genetic examinations.
I/R damage increased the number of degenerative neurons, caspase-3 and TNF-α immunoexpression, total oxidant status levels, and oxidative stress index. Both prophylactic and therapeutic CBD administration reduced these increased values. In addition, the relative fold changes of AMPK, PGC-1α, SIRT1, and Bcl 2 decreased in the I/R group, and the relative fold change of Bax increased, which are indicators of ER stress and apoptosis. Both administrations of CBD reversed these genes' relative fold changes.
CBD can be protective against brain injury caused by cardiac I/R damage through antioxidant, anti-inflammatory, and anti-apoptotic mechanisms.
心脏发生的缺血再灌注(I/R)损伤可对大脑等重要器官造成严重损害。从大麻中提取的大麻二酚(CBD)目前被用于治疗各种疾病。本研究旨在证明 CBD 在心脏 I/R 引起的脑损伤大鼠中的神经保护和治疗特性。
将大鼠分为四组:假手术组、I/R 组、I/R+预防性 CBD 组和 I/R+治疗性 CBD 组。实验结束时,收集脑组织进行生化、组织病理学和基因检查。
I/R 损伤增加了退行性神经元、半胱天冬酶-3 和 TNF-α免疫表达、总氧化剂状态水平和氧化应激指数的数量。预防性和治疗性 CBD 给药均降低了这些增加的值。此外,I/R 组 AMPK、PGC-1α、SIRT1 和 Bcl 2 的相对折叠变化减少,Bax 的相对折叠变化增加,这些都是内质网应激和细胞凋亡的指标。CBD 的两种给药方式均逆转了这些基因的相对折叠变化。
CBD 可通过抗氧化、抗炎和抗凋亡机制对心脏 I/R 损伤引起的脑损伤起到保护作用。