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Updated: Jun 18, 2026

Evaluating Cell Death Signaling by Immunofluorescence in a Rat Model of Ischemic Stroke
Published on: January 3, 2025
[Study advancement of calpain and apoptosis following cerebral ischemia]
Jian Liu1, Junfeng Xu, Guangjun Wang
1Institue of Acupuncture and Moxibustion, Frist Teaching Hospital, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China.
Abstract:
Calpains, calcium-activated cysteine proteases with a neutral pH optimum, lead to degration of cystoskeletion and structural protein, and delayed neuronal death. The activation of calpains contribute to apoptosis. Calpain inhibitors provide a novel and potential treatment for cerebral ischemia due to improvement of cerebral infarct and ischemia.
Insights
Calpains, calcium-activated proteases, degrade proteins and cause neuronal death, contributing to apoptosis. Calpain inhibitors show promise for treating cerebral ischemia by reducing brain damage.
Area of Science:
- Neuroscience
- Biochemistry
- Cell Biology
Context:
- Calpains are calcium-activated cysteine proteases.
- They function optimally at neutral pH.
- Calpain activity is implicated in cellular damage and death pathways.
Purpose:
- To investigate the role of calpains in neuronal death.
- To explore the therapeutic potential of calpain inhibitors in cerebral ischemia.
Summary:
- Calpains degrade cytoskeletal and structural proteins.
- Calpain activation contributes to apoptotic cell death.
- Inhibition of calpains may mitigate neuronal damage.
Impact:
- Calpain inhibitors represent a novel therapeutic strategy for cerebral ischemia.
- Targeting calpains could improve outcomes in stroke patients.
- This research highlights the significance of calpain modulation in neurological disorders.

