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生物通
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两步超声空化技术:为缺血性脑卒中基因治疗开辟新路径
面对这一困境,基因治疗成为改善脑缺血恢复阶段的潜在 “救星”。基因治疗旨在通过转染外源性核酸(Exogenous Nucleic Acids,ENA)来纠正脑缺血细胞中异常表达的基因。但在实际应用中,却面临着两大棘手问题:一是血脑屏障(Blood-Brain Barrier,BBB)的阻碍,它像一道坚固的城墙,阻止生物制药(分子量大于 500 ...
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