In a preliminary study, we intracerebroventricularly injected MHP1 at 1.25 μg, 0.625 μg, 0.313 μg, or vehicle 4 hours after an ischemia and found that the infarct area at 0 mm from the bregma was 64.7%, 22.6%, 46.4%, 63.5%, respectively. The gene discussed is CACNA1A; the disease is ischemia.