期刊
BRAIN AND BEHAVIOR
卷 12, 期 5, 页码 -出版社
WILEY
DOI: 10.1002/brb3.2564
关键词
abscisic acid; cognitive impairments; harmaline; motor impairments; tremor
资金
- Kerman Neuroscience Research Center, Kerman, Iran
The study found that abscisic acid can improve harmaline-induced tremors in rats, significantly increasing the time spent on wire grip and rotarod tests, and has a promising effect against cognitive impairments induced by harmaline.
Objective Essential tremor (ET) as a neurological disorder is accompanied by cognitive and motor disturbances. Despite the high incidence of ET, the drug treatment of ET remains unsatisfactory. Recently, abscisic acid (ABA) has been reported to have positive neurophysiological effects in mammals. Here, the effects of ABA on harmaline-induced motor and cognitive impairments were investigated in rats. Methods Male Wistar rats weighing 120-140 g were divided into control, harmaline (30 mg/kg, ip), ABA vehicle (DMSO+normal saline), and ABA (10 mu g/rat, icv, 30 min before harmaline injection) groups. Exploratory, balance and motor performance, anxiety, and cognitive function were assessed using footprint, open field, wire grip, rotarod, and shuttle box tests. Results The results indicated that ABA (10 mu g/rat) can improve harmaline-induced tremor in rats. The administration of ABA significantly increased time spent on wire grip and rotarod. In addition, ABA had a promising effect against the cognitive impairments induced by harmaline. Conclusion Taken together, ABA has positive effects on locomotor and cognitive impairments induced by tremor. However, further studies are required to determine the exact mechanisms of ABA on the ET.
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