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Updated: Jun 15, 2026
The Application Of Permanent Middle Cerebral Artery Ligation in the Mouse
Published on: July 25, 2011
Membrane attack complex inhibitor CD59a protects against focal cerebral ischemia in mice
Denise Harhausen1, Uldus Khojasteh, Philip F Stahel
1Experimentelle Neurologie, Charité-Universitätsmedizin Berlin, CCM, Berlin, Germany.
Background:
The complement system is a crucial mediator of inflammation and cell lysis after cerebral ischemia. However, there is little information about the exact contribution of the membrane attack complex (MAC) and its inhibitor-protein CD59.
Methods:
Transient focal cerebral ischemia was induced by middle cerebral artery occlusion (MCAO) in young male and female CD59a knockout and wild-type mice. Two models of MCAO were applied: 60 min MCAO and 48 h reperfusion, as well as 30 min MCAO and 72 h reperfusion. CD59a knockout animals were compared to wild-type animals in terms of infarct size, edema, neurological deficit, and cell death.
Results And Discussion:
CD59a-deficiency in male mice caused significantly increased infarct volumes and brain swelling when compared to wild-type mice at 72 h after 30 min-occlusion time, whereas no significant difference was observed after 1 h-MCAO. Moreover, CD59a-deficient mice had impaired neurological function when compared to wild-type mice after 30 min MCAO.
Conclusion:
We conclude that CD59a protects against ischemic brain damage, but depending on the gender and the stroke model used.
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