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Evaluating Cell Death Signaling by Immunofluorescence in a Rat Model of Ischemic Stroke
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Grape seed proanthocyanidins attenuate apoptosis in ischemic stroke
Kun Fu1, Liqiang Chen1, Shuai Hu2
1Department of Neurosurgery, Yidu Central Hospital of Weifang, No 4138 Linglongshan Road, Qingzhou, 262500, Shandong, China.
Acta Neurologica Belgica
|March 6, 2019
Summary
Grape seed proanthocyanidins (GSP) show promise in treating ischemic stroke by reducing brain injury and neuronal apoptosis. GSP also inhibits endoplasmic reticulum (ER) stress, a key factor in stroke-related cell death.
Area of Science:
- Neuroscience
- Pharmacology
- Cell Biology
Background:
- Endoplasmic reticulum (ER) stress contributes to apoptosis in ischemic stroke.
- The therapeutic potential of grape seed proanthocyanidins (GSP) in ischemic stroke is not fully understood.
Purpose of the Study:
- To investigate the role of GSP in ischemic stroke.
- To elucidate the underlying mechanisms of GSP's protective effects.
Main Methods:
- Established an ischemic stroke mouse model using middle cerebral artery occlusion.
- Administered GSP intragastrically and assessed neurological outcomes.
- Quantified brain injury, neuronal apoptosis, and expression of key proteins (Bax, Bcl-2, Caspase-3, ERK, GRP78, Caspase-12).
Main Results:
- GSP administration improved long-term neurological outcomes in stroke mice.
- GSP significantly attenuated ischemia-reperfusion induced neuronal apoptosis and brain injury.
- GSP inhibited the expression of ER stress-associated genes, including GRP78 and Caspase-12.
Conclusions:
- GSP demonstrates neuroprotective effects against ischemic stroke.
- GSP mitigates neuronal apoptosis and brain damage by inhibiting ER stress pathways.
- GSP holds potential as a therapeutic agent for ischemic stroke treatment.
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